SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Berkley W R Corp – ‘10-K’ for 12/31/19 – ‘EX-101.PRE’

On:  Thursday, 2/20/20, at 4:20pm ET   ·   For:  12/31/19   ·   Accession #:  11544-20-16   ·   File #:  1-15202

Previous ‘10-K’:  ‘10-K’ on 2/22/19 for 12/31/18   ·   Next:  ‘10-K’ on 2/18/21 for 12/31/20   ·   Latest:  ‘10-K’ on 2/23/24 for 12/31/23   ·   11 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size

 2/20/20  Berkley W R Corp                  10-K       12/31/19  136:29M

Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        10-K 4Q19                                           HTML   4.21M 
 2: EX-4.1      10-K 4Q19 Exhibit 4.1                               HTML    113K 
 3: EX-21       10-K 4Q19 Exhibit 21                                HTML     76K 
 4: EX-23       10-K 4Q19 Exhibit 23                                HTML     38K 
 5: EX-31.1     10-K 4Q19 Exhibit 31.1                              HTML     42K 
 6: EX-31.2     10-K 4Q19 Exhibit 31.2                              HTML     42K 
 7: EX-32.1     10-K 4Q19 Exhibit 32.1                              HTML     40K 
68: R1          Cover Page                                          HTML    115K 
116: R2          Consolidated Statements of Income                   HTML    117K  
104: R3          Consolidated Balance Sheets                         HTML    153K  
16: R4          Consolidated Balance Sheets (Parenthetical)         HTML     59K 
64: R5          Consolidated Statements of Stockholders' Equity     HTML    105K 
111: R6          Consolidated Statements of Stockholder's Equity     HTML     39K  
                (Parenthetical)                                                  
99: R7          Consolidated Statements of Comprehensive Income     HTML     65K 
22: R8          Consolidated Statements of Cash Flows               HTML    149K 
62: R9          Summary of Significant Accounting Policies          HTML     77K 
132: R10         Consolidated Statement of Comprehensive (Loss)      HTML    118K  
                Income                                                           
86: R11         Investments In Fixed Maturity Securities            HTML    242K 
39: R12         Investments In Equity Securities                    HTML     78K 
56: R13         Arbitrage Trading Account                           HTML     41K 
133: R14         Net Investment Income                               HTML     59K  
87: R15         Investment Funds                                    HTML     68K 
40: R16         Real Estate                                         HTML     52K 
57: R17         Loans Receivable                                    HTML     68K 
134: R18         Realized And Unrealized Investment Gains and        HTML     98K  
                Losses                                                           
84: R19         Securities In An Unrealized Loss Position           HTML    131K 
14: R20         Fair Value Measurements                             HTML    354K 
58: R21         Reserves For Losses And Loss Expenses               HTML   1.16M 
106: R22         Reinsurance                                         HTML     91K  
90: R23         Indebtedness                                        HTML     88K 
15: R24         Income Taxes                                        HTML    129K 
59: R25         Dividends From Subsidiaries And Statutory           HTML     50K 
                Financial Information                                            
107: R26         Common Stockholders' Equity                         HTML     56K  
91: R27         Fair Value Of Financial Instruments                 HTML    354K 
13: R28         Commitments, Litigation And Contingent Liabilities  HTML     41K 
60: R29         Leases                                              HTML     59K 
54: R30         Stock Incentive Plan                                HTML     67K 
37: R31         Compensation Plans                                  HTML     71K 
89: R32         Supplemental Financial Statement Data               HTML     53K 
136: R33         Industry Segments                                   HTML    172K  
53: R34         Quarterly Financial Information (Unaudited)         HTML     72K 
36: R35         Schedule II - Condensed Financial Information of    HTML    189K 
                Registrant                                                       
88: R36         Schedule III - Supplementary Insurance Information  HTML    146K 
135: R37         Schedule IV - Reinsurance                           HTML     92K  
52: R38         Schedule V - Valuation and Qualifying Accounts      HTML     96K 
38: R39         Schedule VI - Supplementary Information Concerning  HTML     66K 
                Property-Casualty Insurance Operations                           
72: R40         Summary of Significant Accounting Policies          HTML    118K 
                (Policies)                                                       
25: R41         Consolidated Statement of Comprehensive (Loss)      HTML    118K 
                Income (Tables)                                                  
93: R42         Investments In Fixed Maturity Securities (Tables)   HTML    240K 
109: R43         Investments In Equity Securities (Tables)           HTML     77K  
71: R44         Net Investment Income (Tables)                      HTML     61K 
24: R45         Investment Funds (Tables)                           HTML     65K 
92: R46         Real Estate (Tables)                                HTML     45K 
108: R47         Loans Receivable (Tables)                           HTML     65K  
70: R48         Realized And Unrealized Investment Gains and        HTML    100K 
                Losses (Tables)                                                  
26: R49         Securities In An Unrealized Loss Position (Tables)  HTML    130K 
34: R50         Fair Value Measurements (Tables)                    HTML    310K 
49: R51         Reserves For Losses And Loss Expenses (Tables)      HTML   1.13M 
121: R52         Reinsurance (Tables)                                HTML     88K  
73: R53         Indebtedness (Tables)                               HTML     86K 
35: R54         Income Taxes (Tables)                               HTML    145K 
50: R55         Dividends From Subsidiaries And Statutory           HTML     49K 
                Financial Information (Tables)                                   
122: R56         Common Stockholders' Equity (Tables)                HTML     56K  
74: R57         Fair Value of Financial Instruments (Tables)        HTML     76K 
33: R58         Leases (Tables)                                     HTML     61K 
51: R59         Stock Incentive Plan (Tables)                       HTML     67K 
110: R60         Compensation Plans (Tables)                         HTML     69K  
98: R61         Supplemental Financial Statement Data (Tables)      HTML     54K 
17: R62         Industry Segments (Tables)                          HTML    175K 
65: R63         Quarterly Financial Information (Unaudited)         HTML     72K 
                (Tables)                                                         
115: R64         Summary of Significant Accounting Policies          HTML     67K  
                (Details)                                                        
103: R65         Summary of Significant Accounting Policies (Recent  HTML     47K  
                accounting change) (Details)                                     
20: R66         Consolidated Statement of Comprehensive Income      HTML    121K 
                (Loss) (Details)                                                 
69: R67         Investments in Fixed Maturity Securities            HTML    138K 
                (Investments in Fixed Maturity Securities)                       
                (Details)                                                        
118: R68         Investments in Fixed Maturity Securities (The       HTML     59K  
                Amortized Cost and Fair Value of Fixed Maturity                  
                Securities) (Details)                                            
95: R69         Investments in Fixed Maturity Securities            HTML     52K 
                (Narrative) (Details)                                            
79: R70         Investments in Equity Securities (Investments in    HTML     58K 
                Equity Securities Available for Sale) (Details)                  
131: R71         Arbitrage Trading Account (Details)                 HTML     50K  
45: R72         Net Investment Income (Net Investment Income)       HTML     56K 
                (Details)                                                        
32: R73         Investment Funds (Schedule of Investment Funds)     HTML     61K 
                (Details)                                                        
75: R74         Real Estate (Details)                               HTML     43K 
127: R75         Real Estate (Narrative) (Details)                   HTML     64K  
42: R76         Loans Receivable (Details)                          HTML     63K 
29: R77         Realized and Unrealized Investment Gains and        HTML     68K 
                Losses (Realized and Unrealized Investment Gains                 
                (Losses)) (Details)                                              
82: R78         Realized and Unrealized Investment Gains and        HTML     76K 
                Losses (Change in Unrealized Gains (Losses) of                   
                Available For Sales Securities) (Details)                        
125: R79         Securities in an Unrealized Loss Position           HTML     79K  
                (Securities in an Unrealized Loss Position)                      
                (Details)                                                        
78: R80         Securities in an Unrealized Loss Position           HTML     56K 
                (Non-Investment Grade Fixed Maturity Securities)                 
                (Details)                                                        
130: R81         Securities in an Unrealized Loss Position           HTML     42K  
                (Narrative) (Details)                                            
44: R82         Fair Value Measurements (Assets and Liabilities     HTML    110K 
                Measured At Fair Value, On a Recurring Basis)                    
                (Details)                                                        
31: R83         Fair Value Measurements (Summarize Changes in       HTML    119K 
                Level 3 Assets and Liabilities) (Details)                        
76: R84         Reserves For Losses And Loss Expenses (Loss and     HTML    416K 
                Loss Expenses Incurred, Net of Reinsurance, and                  
                Cumulative Paid Claims and Claim Adjustment                      
                Expenses, Net of Reinsurance) (Details)                          
128: R85         Reserves For Losses And Loss Expenses               HTML     97K  
                (Reconciliation of Net Incurred and Paid Claims                  
                Development to Reserves for Loss and Loss                        
                Adjustment Expenses) (Details)                                   
43: R86         Reserves For Losses And Loss Expenses               HTML    106K 
                (Supplementary Information Regarding Average                     
                Historical Claims Duration) (Details)                            
30: R87         Reserves For Losses And Loss Expenses (Schedule of  HTML     80K 
                Liability for Unpaid Claims and Claims Adjustment                
                Expense) (Details)                                               
80: R88         Reserves For Losses And Loss Expenses (Narrative)   HTML     78K 
                (Details)                                                        
123: R89         Reinsurance (Reinsurance Financial Information)     HTML     70K  
                (Details)                                                        
112: R90         Reinsurance (Schedule Of Ceded Credit Risk by       HTML     77K  
                Reinsurer) (Details)                                             
100: R91         Indebtedness (Details)                              HTML     96K  
18: R92         Income Taxes (Schedule of Components of Income Tax  HTML     70K 
                Expense (Benefit)) (Details)                                     
66: R93         Income Taxes (Schedule of Effective Income Tax      HTML     63K 
                Rate Reconciliation) (Details)                                   
114: R94         Income Taxes (Schedule of Deferred Tax Assets and   HTML    113K  
                Liabilities) (Details)                                           
102: R95         Income Taxes (Narrative) (Details)                  HTML     44K  
19: R96         Dividends From Subsidiaries And Statutory           HTML     54K 
                Financial Information (Schedule of Combined Net                  
                Income and Policyholders' Surplus in Accordance                  
                with Statutory Accounting Practices) (Details)                   
67: R97         Common Stockholders' Equity (Weighted Average       HTML     47K 
                Number of Common Shares Used In the Computation of               
                Basic and Diluted Earnings per Share) (Details)                  
120: R98         Common Stockholders' Equity (Schedule of Changes    HTML     48K  
                in Shares of Common Stock Outstanding) (Details)                 
97: R99         Fair Value of Financial Instruments (Carrying       HTML     69K 
                Amounts and Estimated Fair Values of Financial                   
                Instruments) (Details)                                           
96: R100        Commitments, Litigation And Contingent Liabilities  HTML     40K 
                (Details)                                                        
119: R101        Leases (Lease Cost) (Details)                       HTML     44K  
63: R102        Leases (Supplemental Balance Sheet Information)     HTML     45K 
                (Details)                                                        
23: R103        Leases (Maturities of Operating Lease Liabilities)  HTML     56K 
                (Details)                                                        
94: R104        Stock Incentive Plan (Schedule of Share-based       HTML     47K 
                Compensation, Stock Options, Activity) (Details)                 
117: R105        Stock Incentive Plan (Schedule of Nonvested         HTML     50K  
                Restricted Stock Units Activity) (Details)                       
61: R106        Stock Incentive Plan (Schedule of Share-based       HTML     48K 
                Compensation, Unearned Compensation Related to                   
                RSU's) (Details)                                                 
21: R107        Compensation Plans (Details)                        HTML     84K 
101: R108        Supplemental Financial Statement Data (Schedule of  HTML     54K  
                Other Operating Cost and Expense, by Component)                  
                (Details)                                                        
113: R109        Industry Segments (Financial Information of         HTML     94K  
                Company Operating Segments) (Details)                            
124: R110        Industry Segments (Identifiable Assets by Segment)  HTML     64K  
                (Details)                                                        
81: R111        Industry Segments (Net Premiums Earned By Major     HTML     63K 
                Line of Business) (Details)                                      
27: R112        Quarterly Financial Information (Unaudited)         HTML     62K 
                (Schedule of Quarterly Financial Information)                    
                (Details)                                                        
46: R113        Schedule II - Condensed Financial Information of    HTML    135K 
                Registrant (Balance Sheets (Parent Company))                     
                (Details)                                                        
126: R114        Schedule II - Condensed Financial Information of    HTML     91K  
                Registrant (Statements of Income (Parent Company))               
                (Details)                                                        
83: R115        Schedule II - Condensed Financial Information of    HTML    149K 
                Registrant (Statements of Cash Flows (Parent                     
                Company)) (Details)                                              
28: R116        Schedule III - Supplementary Insurance Information  HTML     77K 
                (Details)                                                        
47: R117        Schedule IV - Reinsurance (Details)                 HTML     57K 
129: R118        Schedule V - Valuation and Qualifying Accounts      HTML     60K  
                (Details)                                                        
77: R119        Schedule VI - Supplementary Information Concerning  HTML     66K 
                Property-Casualty Insurance Operations (Details)                 
41: XML         IDEA XML File -- Filing Summary                      XML    266K 
105: XML         XBRL Instance -- wrb1231201910-k_htm                 XML  10.34M  
85: EXCEL       IDEA Workbook of Financial Reports                  XLSX    188K 
 9: EX-101.CAL  XBRL Calculations -- wrb-20191231_cal                XML    511K 
10: EX-101.DEF  XBRL Definitions -- wrb-20191231_def                 XML   1.20M 
11: EX-101.LAB  XBRL Labels -- wrb-20191231_lab                      XML   2.85M 
12: EX-101.PRE  XBRL Presentations -- wrb-20191231_pre               XML   1.77M 
 8: EX-101.SCH  XBRL Schema -- wrb-20191231                          XSD    316K 
55: JSON        XBRL Instance as JSON Data -- MetaLinks              607±   947K 
48: ZIP         XBRL Zipped Folder -- 0000011544-20-000016-xbrl      Zip    682K 


‘EX-101.PRE’   —   XBRL Presentations — wrb-20191231_pre


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with Wdesk from Workiva -->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<link:roleRef roleURI="http://www.wrberkley.com/role/ArbitrageTradingAccount" xlink:href="wrb-20191231.xsd#ArbitrageTradingAccount" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ArbitrageTradingAccountDetails" xlink:href="wrb-20191231.xsd#ArbitrageTradingAccountDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/CommitmentsLitigationAndContingentLiabilities" xlink:href="wrb-20191231.xsd#CommitmentsLitigationAndContingentLiabilities" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/CommitmentsLitigationAndContingentLiabilitiesDetails" xlink:href="wrb-20191231.xsd#CommitmentsLitigationAndContingentLiabilitiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/CommonStockholdersEquity" xlink:href="wrb-20191231.xsd#CommonStockholdersEquity" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/CommonStockholdersEquityScheduleOfChangesInSharesOfCommonStockOutstandingDetails" xlink:href="wrb-20191231.xsd#CommonStockholdersEquityScheduleOfChangesInSharesOfCommonStockOutstandingDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/CommonStockholdersEquityTables" xlink:href="wrb-20191231.xsd#CommonStockholdersEquityTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/CommonStockholdersEquityWeightedAverageNumberOfCommonSharesUsedInComputationOfBasicAndDilutedEarningsPerShareDetails" xlink:href="wrb-20191231.xsd#CommonStockholdersEquityWeightedAverageNumberOfCommonSharesUsedInComputationOfBasicAndDilutedEarningsPerShareDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/CompensationPlans" xlink:href="wrb-20191231.xsd#CompensationPlans" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/CompensationPlansDetails" xlink:href="wrb-20191231.xsd#CompensationPlansDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/CompensationPlansTables" xlink:href="wrb-20191231.xsd#CompensationPlansTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ConsolidatedBalanceSheets" xlink:href="wrb-20191231.xsd#ConsolidatedBalanceSheets" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="wrb-20191231.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ConsolidatedStatementOfComprehensiveIncomeLossDetails" xlink:href="wrb-20191231.xsd#ConsolidatedStatementOfComprehensiveIncomeLossDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ConsolidatedStatementOfComprehensiveLossIncome" xlink:href="wrb-20191231.xsd#ConsolidatedStatementOfComprehensiveLossIncome" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ConsolidatedStatementOfComprehensiveLossIncomeTables" xlink:href="wrb-20191231.xsd#ConsolidatedStatementOfComprehensiveLossIncomeTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="wrb-20191231.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:href="wrb-20191231.xsd#ConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ConsolidatedStatementsOfIncome" xlink:href="wrb-20191231.xsd#ConsolidatedStatementsOfIncome" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:href="wrb-20191231.xsd#ConsolidatedStatementsOfStockholdersEquity" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:href="wrb-20191231.xsd#ConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/CoverPage" xlink:href="wrb-20191231.xsd#CoverPage" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/DividendsFromSubsidiariesAndStatutoryFinancialInformation" xlink:href="wrb-20191231.xsd#DividendsFromSubsidiariesAndStatutoryFinancialInformation" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/DividendsFromSubsidiariesAndStatutoryFinancialInformationScheduleOfCombinedNetIncomeAndPolicyholdersSurplusInAccordanceWithStatutoryAccountingPracticesDetails" xlink:href="wrb-20191231.xsd#DividendsFromSubsidiariesAndStatutoryFinancialInformationScheduleOfCombinedNetIncomeAndPolicyholdersSurplusInAccordanceWithStatutoryAccountingPracticesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/DividendsFromSubsidiariesAndStatutoryFinancialInformationTables" xlink:href="wrb-20191231.xsd#DividendsFromSubsidiariesAndStatutoryFinancialInformationTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/FairValueMeasurements" xlink:href="wrb-20191231.xsd#FairValueMeasurements" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/FairValueMeasurementsAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails" xlink:href="wrb-20191231.xsd#FairValueMeasurementsAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/FairValueMeasurementsSummarizeChangesInLevel3AssetsAndLiabilitiesDetails" xlink:href="wrb-20191231.xsd#FairValueMeasurementsSummarizeChangesInLevel3AssetsAndLiabilitiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/FairValueMeasurementsTables" xlink:href="wrb-20191231.xsd#FairValueMeasurementsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/FairValueOfFinancialInstruments" xlink:href="wrb-20191231.xsd#FairValueOfFinancialInstruments" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/FairValueOfFinancialInstrumentsCarryingAmountsAndEstimatedFairValuesOfFinancialInstrumentsDetails" xlink:href="wrb-20191231.xsd#FairValueOfFinancialInstrumentsCarryingAmountsAndEstimatedFairValuesOfFinancialInstrumentsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/FairValueOfFinancialInstrumentsTables" xlink:href="wrb-20191231.xsd#FairValueOfFinancialInstrumentsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/IncomeTaxes" xlink:href="wrb-20191231.xsd#IncomeTaxes" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/IncomeTaxesNarrativeDetails" xlink:href="wrb-20191231.xsd#IncomeTaxesNarrativeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseBenefitDetails" xlink:href="wrb-20191231.xsd#IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseBenefitDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/IncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:href="wrb-20191231.xsd#IncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" xlink:href="wrb-20191231.xsd#IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/IncomeTaxesTables" xlink:href="wrb-20191231.xsd#IncomeTaxesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/Indebtedness" xlink:href="wrb-20191231.xsd#Indebtedness" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/IndebtednessDetails" xlink:href="wrb-20191231.xsd#IndebtednessDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/IndebtednessTables" xlink:href="wrb-20191231.xsd#IndebtednessTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/IndustrySegments" xlink:href="wrb-20191231.xsd#IndustrySegments" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/IndustrySegmentsFinancialInformationOfCompanyOperatingSegmentsDetails" xlink:href="wrb-20191231.xsd#IndustrySegmentsFinancialInformationOfCompanyOperatingSegmentsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/IndustrySegmentsIdentifiableAssetsBySegmentDetails" xlink:href="wrb-20191231.xsd#IndustrySegmentsIdentifiableAssetsBySegmentDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/IndustrySegmentsNetPremiumsEarnedByMajorLineOfBusinessDetails" xlink:href="wrb-20191231.xsd#IndustrySegmentsNetPremiumsEarnedByMajorLineOfBusinessDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/IndustrySegmentsTables" xlink:href="wrb-20191231.xsd#IndustrySegmentsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/InvestmentFunds" xlink:href="wrb-20191231.xsd#InvestmentFunds" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/InvestmentFundsScheduleOfInvestmentFundsDetails" xlink:href="wrb-20191231.xsd#InvestmentFundsScheduleOfInvestmentFundsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/InvestmentFundsTables" xlink:href="wrb-20191231.xsd#InvestmentFundsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/InvestmentsInEquitySecurities" xlink:href="wrb-20191231.xsd#InvestmentsInEquitySecurities" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/InvestmentsInEquitySecuritiesInvestmentsInEquitySecuritiesAvailableForSaleDetails" xlink:href="wrb-20191231.xsd#InvestmentsInEquitySecuritiesInvestmentsInEquitySecuritiesAvailableForSaleDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/InvestmentsInEquitySecuritiesTables" xlink:href="wrb-20191231.xsd#InvestmentsInEquitySecuritiesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/InvestmentsInFixedMaturitySecurities" xlink:href="wrb-20191231.xsd#InvestmentsInFixedMaturitySecurities" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/InvestmentsInFixedMaturitySecuritiesInvestmentsInFixedMaturitySecuritiesDetails" xlink:href="wrb-20191231.xsd#InvestmentsInFixedMaturitySecuritiesInvestmentsInFixedMaturitySecuritiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/InvestmentsInFixedMaturitySecuritiesNarrativeDetails" xlink:href="wrb-20191231.xsd#InvestmentsInFixedMaturitySecuritiesNarrativeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/InvestmentsInFixedMaturitySecuritiesTables" xlink:href="wrb-20191231.xsd#InvestmentsInFixedMaturitySecuritiesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/InvestmentsInFixedMaturitySecuritiesTheAmortizedCostAndFairValueOfFixedMaturitySecuritiesDetails" xlink:href="wrb-20191231.xsd#InvestmentsInFixedMaturitySecuritiesTheAmortizedCostAndFairValueOfFixedMaturitySecuritiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/Leases" xlink:href="wrb-20191231.xsd#Leases" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/LeasesLeaseCostDetails" xlink:href="wrb-20191231.xsd#LeasesLeaseCostDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/LeasesMaturitiesOfOperatingLeaseLiabilitiesDetails" xlink:href="wrb-20191231.xsd#LeasesMaturitiesOfOperatingLeaseLiabilitiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/LeasesSupplementalBalanceSheetInformationDetails" xlink:href="wrb-20191231.xsd#LeasesSupplementalBalanceSheetInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/LeasesTables" xlink:href="wrb-20191231.xsd#LeasesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/LoansReceivable" xlink:href="wrb-20191231.xsd#LoansReceivable" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/LoansReceivableDetails" xlink:href="wrb-20191231.xsd#LoansReceivableDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/LoansReceivableTables" xlink:href="wrb-20191231.xsd#LoansReceivableTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/NetInvestmentIncome" xlink:href="wrb-20191231.xsd#NetInvestmentIncome" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/NetInvestmentIncomeNetInvestmentIncomeDetails" xlink:href="wrb-20191231.xsd#NetInvestmentIncomeNetInvestmentIncomeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/NetInvestmentIncomeTables" xlink:href="wrb-20191231.xsd#NetInvestmentIncomeTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/QuarterlyFinancialInformationUnaudited" xlink:href="wrb-20191231.xsd#QuarterlyFinancialInformationUnaudited" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/QuarterlyFinancialInformationUnauditedScheduleOfQuarterlyFinancialInformationDetails" xlink:href="wrb-20191231.xsd#QuarterlyFinancialInformationUnauditedScheduleOfQuarterlyFinancialInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/QuarterlyFinancialInformationUnauditedTables" xlink:href="wrb-20191231.xsd#QuarterlyFinancialInformationUnauditedTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/RealEstate" xlink:href="wrb-20191231.xsd#RealEstate" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/RealEstateDetails" xlink:href="wrb-20191231.xsd#RealEstateDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/RealEstateNarrativeDetails" xlink:href="wrb-20191231.xsd#RealEstateNarrativeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/RealEstateTables" xlink:href="wrb-20191231.xsd#RealEstateTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/RealizedAndUnrealizedInvestmentGainsAndLosses" xlink:href="wrb-20191231.xsd#RealizedAndUnrealizedInvestmentGainsAndLosses" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/RealizedAndUnrealizedInvestmentGainsAndLossesChangeInUnrealizedGainsLossesOfAvailableForSalesSecuritiesDetails" xlink:href="wrb-20191231.xsd#RealizedAndUnrealizedInvestmentGainsAndLossesChangeInUnrealizedGainsLossesOfAvailableForSalesSecuritiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/RealizedAndUnrealizedInvestmentGainsAndLossesRealizedAndUnrealizedInvestmentGainsLossesDetails" xlink:href="wrb-20191231.xsd#RealizedAndUnrealizedInvestmentGainsAndLossesRealizedAndUnrealizedInvestmentGainsLossesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/RealizedAndUnrealizedInvestmentGainsAndLossesTables" xlink:href="wrb-20191231.xsd#RealizedAndUnrealizedInvestmentGainsAndLossesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/Reinsurance" xlink:href="wrb-20191231.xsd#Reinsurance" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ReinsuranceReinsuranceFinancialInformationDetails" xlink:href="wrb-20191231.xsd#ReinsuranceReinsuranceFinancialInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ReinsuranceScheduleOfCededCreditRiskByReinsurerDetails" xlink:href="wrb-20191231.xsd#ReinsuranceScheduleOfCededCreditRiskByReinsurerDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ReinsuranceTables" xlink:href="wrb-20191231.xsd#ReinsuranceTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ReservesForLossesAndLossExpenses" xlink:href="wrb-20191231.xsd#ReservesForLossesAndLossExpenses" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ReservesForLossesAndLossExpensesLossAndLossExpensesIncurredNetOfReinsuranceAndCumulativePaidClaimsAndClaimAdjustmentExpensesNetOfReinsuranceDetails" xlink:href="wrb-20191231.xsd#ReservesForLossesAndLossExpensesLossAndLossExpensesIncurredNetOfReinsuranceAndCumulativePaidClaimsAndClaimAdjustmentExpensesNetOfReinsuranceDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ReservesForLossesAndLossExpensesNarrativeDetails" xlink:href="wrb-20191231.xsd#ReservesForLossesAndLossExpensesNarrativeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ReservesForLossesAndLossExpensesReconciliationOfNetIncurredAndPaidClaimsDevelopmentToReservesForLossAndLossAdjustmentExpensesDetails" xlink:href="wrb-20191231.xsd#ReservesForLossesAndLossExpensesReconciliationOfNetIncurredAndPaidClaimsDevelopmentToReservesForLossAndLossAdjustmentExpensesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ReservesForLossesAndLossExpensesScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseDetails" xlink:href="wrb-20191231.xsd#ReservesForLossesAndLossExpensesScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ReservesForLossesAndLossExpensesSupplementaryInformationRegardingAverageHistoricalClaimsDurationDetails" xlink:href="wrb-20191231.xsd#ReservesForLossesAndLossExpensesSupplementaryInformationRegardingAverageHistoricalClaimsDurationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ReservesForLossesAndLossExpensesTables" xlink:href="wrb-20191231.xsd#ReservesForLossesAndLossExpensesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ScheduleIiCondensedFinancialInformationOfRegistrant" xlink:href="wrb-20191231.xsd#ScheduleIiCondensedFinancialInformationOfRegistrant" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ScheduleIiCondensedFinancialInformationOfRegistrantBalanceSheetsParentCompanyDetails" xlink:href="wrb-20191231.xsd#ScheduleIiCondensedFinancialInformationOfRegistrantBalanceSheetsParentCompanyDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ScheduleIiCondensedFinancialInformationOfRegistrantStatementsOfCashFlowsParentCompanyDetails" xlink:href="wrb-20191231.xsd#ScheduleIiCondensedFinancialInformationOfRegistrantStatementsOfCashFlowsParentCompanyDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ScheduleIiCondensedFinancialInformationOfRegistrantStatementsOfIncomeParentCompanyDetails" xlink:href="wrb-20191231.xsd#ScheduleIiCondensedFinancialInformationOfRegistrantStatementsOfIncomeParentCompanyDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ScheduleIiiSupplementaryInsuranceInformation" xlink:href="wrb-20191231.xsd#ScheduleIiiSupplementaryInsuranceInformation" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ScheduleIiiSupplementaryInsuranceInformationDetails" xlink:href="wrb-20191231.xsd#ScheduleIiiSupplementaryInsuranceInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ScheduleIvReinsurance" xlink:href="wrb-20191231.xsd#ScheduleIvReinsurance" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ScheduleIvReinsuranceDetails" xlink:href="wrb-20191231.xsd#ScheduleIvReinsuranceDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ScheduleVValuationAndQualifyingAccounts" xlink:href="wrb-20191231.xsd#ScheduleVValuationAndQualifyingAccounts" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ScheduleVValuationAndQualifyingAccountsDetails" xlink:href="wrb-20191231.xsd#ScheduleVValuationAndQualifyingAccountsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ScheduleViSupplementaryInformationConcerningPropertyCasualtyInsuranceOperations" xlink:href="wrb-20191231.xsd#ScheduleViSupplementaryInformationConcerningPropertyCasualtyInsuranceOperations" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/ScheduleViSupplementaryInformationConcerningPropertyCasualtyInsuranceOperationsDetails" xlink:href="wrb-20191231.xsd#ScheduleViSupplementaryInformationConcerningPropertyCasualtyInsuranceOperationsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/SecuritiesInUnrealizedLossPosition" xlink:href="wrb-20191231.xsd#SecuritiesInUnrealizedLossPosition" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/SecuritiesInUnrealizedLossPositionNarrativeDetails" xlink:href="wrb-20191231.xsd#SecuritiesInUnrealizedLossPositionNarrativeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/SecuritiesInUnrealizedLossPositionNonInvestmentGradeFixedMaturitySecuritiesDetails" xlink:href="wrb-20191231.xsd#SecuritiesInUnrealizedLossPositionNonInvestmentGradeFixedMaturitySecuritiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/SecuritiesInUnrealizedLossPositionSecuritiesInUnrealizedLossPositionDetails" xlink:href="wrb-20191231.xsd#SecuritiesInUnrealizedLossPositionSecuritiesInUnrealizedLossPositionDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/SecuritiesInUnrealizedLossPositionTables" xlink:href="wrb-20191231.xsd#SecuritiesInUnrealizedLossPositionTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/StockIncentivePlan" xlink:href="wrb-20191231.xsd#StockIncentivePlan" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/StockIncentivePlanScheduleOfNonvestedRestrictedStockUnitsActivityDetails" xlink:href="wrb-20191231.xsd#StockIncentivePlanScheduleOfNonvestedRestrictedStockUnitsActivityDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/StockIncentivePlanScheduleOfShareBasedCompensationStockOptionsActivityDetails" xlink:href="wrb-20191231.xsd#StockIncentivePlanScheduleOfShareBasedCompensationStockOptionsActivityDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/StockIncentivePlanScheduleOfShareBasedCompensationUnearnedCompensationRelatedToRsusDetails" xlink:href="wrb-20191231.xsd#StockIncentivePlanScheduleOfShareBasedCompensationUnearnedCompensationRelatedToRsusDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/StockIncentivePlanTables" xlink:href="wrb-20191231.xsd#StockIncentivePlanTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="wrb-20191231.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:href="wrb-20191231.xsd#SummaryOfSignificantAccountingPoliciesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="wrb-20191231.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/SummaryOfSignificantAccountingPoliciesRecentAccountingChangeDetails" xlink:href="wrb-20191231.xsd#SummaryOfSignificantAccountingPoliciesRecentAccountingChangeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/SupplementalFinancialStatementData" xlink:href="wrb-20191231.xsd#SupplementalFinancialStatementData" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/SupplementalFinancialStatementDataScheduleOfOtherOperatingCostAndExpenseByComponentDetails" xlink:href="wrb-20191231.xsd#SupplementalFinancialStatementDataScheduleOfOtherOperatingCostAndExpenseByComponentDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.wrberkley.com/role/SupplementalFinancialStatementDataTables" xlink:href="wrb-20191231.xsd#SupplementalFinancialStatementDataTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple"/>
<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple"/>
<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple"/>
<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple"/>
<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple"/>
<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple"/>
<link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple"/>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ArbitrageTradingAccount" xlink:type="extended">
<link:loc xlink:href="wrb-20191231.xsd#wrb_TradingSecuritiesandDerivativeInstrumentsAbstract" xlink:label="loc_wrb_TradingSecuritiesandDerivativeInstrumentsAbstract_DD801E13216248A1833BEBC168110585" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ArbitrageTradingAccountandArbitrageFundsTextBlock" xlink:label="loc_wrb_ArbitrageTradingAccountandArbitrageFundsTextBlock_DF94199EFA8E4CDE266EEBC16811C618" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_TradingSecuritiesandDerivativeInstrumentsAbstract_DD801E13216248A1833BEBC168110585" xlink:to="loc_wrb_ArbitrageTradingAccountandArbitrageFundsTextBlock_DF94199EFA8E4CDE266EEBC16811C618" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ArbitrageTradingAccountDetails" xlink:type="extended">
<link:loc xlink:href="wrb-20191231.xsd#wrb_TradingSecuritiesandDerivativeInstrumentsAbstract" xlink:label="loc_wrb_TradingSecuritiesandDerivativeInstrumentsAbstract_B157206DB3D5D707E9555633EF194F4B" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TradingSecurities" xlink:label="loc_us-gaap_TradingSecurities_8A2E58DF2C78DCC5A0415633EF195FA0" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_TradingSecuritiesandDerivativeInstrumentsAbstract_B157206DB3D5D707E9555633EF194F4B" xlink:to="loc_us-gaap_TradingSecurities_8A2E58DF2C78DCC5A0415633EF195FA0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_4490E85F8DA6AEF777925633EF195D44" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_TradingSecuritiesandDerivativeInstrumentsAbstract_B157206DB3D5D707E9555633EF194F4B" xlink:to="loc_us-gaap_DerivativeTable_4490E85F8DA6AEF777925633EF195D44" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_EE1127CBB3718FE599025633EF19E842" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_4490E85F8DA6AEF777925633EF195D44" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_EE1127CBB3718FE599025633EF19E842" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_1350D95E2D92F67CB0AC5633EF1AFDEF" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_EE1127CBB3718FE599025633EF19E842" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_1350D95E2D92F67CB0AC5633EF1AFDEF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OptionMember" xlink:label="loc_us-gaap_OptionMember_AC6B2D7804BA7CE6CD375633EF1A556E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_1350D95E2D92F67CB0AC5633EF1AFDEF" xlink:to="loc_us-gaap_OptionMember_AC6B2D7804BA7CE6CD375633EF1A556E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PositionAxis" xlink:label="loc_us-gaap_PositionAxis_66196D6440494EB1C3BC5633EF1AE61E" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_4490E85F8DA6AEF777925633EF195D44" xlink:to="loc_us-gaap_PositionAxis_66196D6440494EB1C3BC5633EF1AE61E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PositionDomain" xlink:label="loc_us-gaap_PositionDomain_B42F9F2D578228856D875633EF1A2D60" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PositionAxis_66196D6440494EB1C3BC5633EF1AE61E" xlink:to="loc_us-gaap_PositionDomain_B42F9F2D578228856D875633EF1A2D60" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongMember" xlink:label="loc_us-gaap_LongMember_2969EABB501C9FCE18715633EF1AB7E1" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PositionDomain_B42F9F2D578228856D875633EF1A2D60" xlink:to="loc_us-gaap_LongMember_2969EABB501C9FCE18715633EF1AB7E1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortMember" xlink:label="loc_us-gaap_ShortMember_1F11A3FB5CD47D7353195633EF1BE42E" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PositionDomain_B42F9F2D578228856D875633EF1A2D60" xlink:to="loc_us-gaap_ShortMember_1F11A3FB5CD47D7353195633EF1BE42E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_A9DEE08DF6705E56E1D25633EF1B3DC1" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_4490E85F8DA6AEF777925633EF195D44" xlink:to="loc_us-gaap_DerivativeLineItems_A9DEE08DF6705E56E1D25633EF1B3DC1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_CF8A46422F9E201A28A45633EF1B31BA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_A9DEE08DF6705E56E1D25633EF1B3DC1" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_CF8A46422F9E201A28A45633EF1B31BA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeNotionalAmount" xlink:label="loc_us-gaap_DerivativeNotionalAmount_AE85E59D4092B5EFBC5856C32D63C639" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_A9DEE08DF6705E56E1D25633EF1B3DC1" xlink:to="loc_us-gaap_DerivativeNotionalAmount_AE85E59D4092B5EFBC5856C32D63C639" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/CommitmentsLitigationAndContingentLiabilities" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_6B7F5B87DBEE4FDD71E9EBC16BB8789D" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_1A9E49AE343650023D92EBC16BB8B35B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_6B7F5B87DBEE4FDD71E9EBC16BB8789D" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_1A9E49AE343650023D92EBC16BB8B35B" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/CommitmentsLitigationAndContingentLiabilitiesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_DB7D7BCA2158D4F14FD8EBC16BE7135A" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CommitmenttoInvestinCertainInvestmentFunds" xlink:label="loc_wrb_CommitmenttoInvestinCertainInvestmentFunds_7E421EFB41778B6EF0B3EBC16BE76C72" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_DB7D7BCA2158D4F14FD8EBC16BE7135A" xlink:to="loc_wrb_CommitmenttoInvestinCertainInvestmentFunds_7E421EFB41778B6EF0B3EBC16BE76C72" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CommitmenttoInvestinRealEstateConstructionProjects" xlink:label="loc_wrb_CommitmenttoInvestinRealEstateConstructionProjects_310C94D919D6ACDBC627EBC16BE7EE08" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_DB7D7BCA2158D4F14FD8EBC16BE7135A" xlink:to="loc_wrb_CommitmenttoInvestinRealEstateConstructionProjects_310C94D919D6ACDBC627EBC16BE7EE08" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/CommonStockholdersEquity" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_96FEDA42868F6AF6F797EBC16AFC6B6E" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_34E86F314828926818E2EBC16AFCC4DB" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_96FEDA42868F6AF6F797EBC16AFC6B6E" xlink:to="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_34E86F314828926818E2EBC16AFCC4DB" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/CommonStockholdersEquityScheduleOfChangesInSharesOfCommonStockOutstandingDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_70455B1A63760A4BBA1CEBC16953DE18" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_CD4ED0B61A1D42009AB5EBC16953F07D" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_70455B1A63760A4BBA1CEBC16953DE18" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_CD4ED0B61A1D42009AB5EBC16953F07D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_9304D49A00ABD8A3AA4CEBC1695366B8" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_CD4ED0B61A1D42009AB5EBC16953F07D" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_9304D49A00ABD8A3AA4CEBC1695366B8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_D0B266CDA4919770B812EBC16953347B" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_CD4ED0B61A1D42009AB5EBC16953F07D" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_D0B266CDA4919770B812EBC16953347B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_D79321B73C5E6680D3FDEBC16954AE09" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_CD4ED0B61A1D42009AB5EBC16953F07D" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_D79321B73C5E6680D3FDEBC16954AE09" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_FBFB6F7B43FA1374624FEBC169549A6E" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_CD4ED0B61A1D42009AB5EBC16953F07D" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_FBFB6F7B43FA1374624FEBC169549A6E" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/CommonStockholdersEquityTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_1667B2780D3B10FE0101EBC16A3FAFE8" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock_0A8830EEF3B50421F5B7EBC16A3F0E8E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_1667B2780D3B10FE0101EBC16A3FAFE8" xlink:to="loc_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock_0A8830EEF3B50421F5B7EBC16A3F0E8E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock_3F8F9C0B91A6CED67331EBC16A40E881" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_1667B2780D3B10FE0101EBC16A3FAFE8" xlink:to="loc_us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock_3F8F9C0B91A6CED67331EBC16A40E881" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/CommonStockholdersEquityWeightedAverageNumberOfCommonSharesUsedInComputationOfBasicAndDilutedEarningsPerShareDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_AC1168D8A9DE831981A9EBC16793BDDA" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_74B13054E6B50EB5AEFCEBC16793ED46" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_AC1168D8A9DE831981A9EBC16793BDDA" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_74B13054E6B50EB5AEFCEBC16793ED46" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_555AE93918B155C32D6CEBC1679481F1" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_74B13054E6B50EB5AEFCEBC16793ED46" xlink:to="loc_us-gaap_AwardTypeAxis_555AE93918B155C32D6CEBC1679481F1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_41344F37FF92A21BD97AEBC167944798" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_555AE93918B155C32D6CEBC1679481F1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_41344F37FF92A21BD97AEBC167944798" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_0FD2F441C884D62786C0EBC16794992C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_41344F37FF92A21BD97AEBC167944798" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_0FD2F441C884D62786C0EBC16794992C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_229321315BAA7D6F25AEEBC1679566A0" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_74B13054E6B50EB5AEFCEBC16793ED46" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_229321315BAA7D6F25AEEBC1679566A0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_A2EF5A89C9A84CE06071EBC16795DCE7" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_229321315BAA7D6F25AEEBC1679566A0" xlink:to="loc_us-gaap_RelatedPartyDomain_A2EF5A89C9A84CE06071EBC16795DCE7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TrustForBenefitOfEmployeesMember" xlink:label="loc_us-gaap_TrustForBenefitOfEmployeesMember_1D1CD2EFC59C4D66BC0BEBC1679508F9" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_A2EF5A89C9A84CE06071EBC16795DCE7" xlink:to="loc_us-gaap_TrustForBenefitOfEmployeesMember_1D1CD2EFC59C4D66BC0BEBC1679508F9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_CF04AEAD04D1D210FAF1EBC16796A111" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_74B13054E6B50EB5AEFCEBC16793ED46" xlink:to="loc_us-gaap_ClassOfStockLineItems_CF04AEAD04D1D210FAF1EBC16796A111" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_CF476B6B00EDEFC1E6ECEBC167961C1C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_CF04AEAD04D1D210FAF1EBC16796A111" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_CF476B6B00EDEFC1E6ECEBC167961C1C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_63F8E2DEC70D78789580EBC167966541" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_CF04AEAD04D1D210FAF1EBC16796A111" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_63F8E2DEC70D78789580EBC167966541" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/CompensationPlans" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CompensationRelatedCostsAbstract" xlink:label="loc_us-gaap_CompensationRelatedCostsAbstract_4ED7B57FFE9B9FEF03ADEBC1686D6BB1" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CompensationRelatedCostsGeneralTextBlock" xlink:label="loc_us-gaap_CompensationRelatedCostsGeneralTextBlock_413C013A57BC06484704EBC1686DCCA0" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationRelatedCostsAbstract_4ED7B57FFE9B9FEF03ADEBC1686D6BB1" xlink:to="loc_us-gaap_CompensationRelatedCostsGeneralTextBlock_413C013A57BC06484704EBC1686DCCA0" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/CompensationPlansDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CompensationRelatedCostsAbstract" xlink:label="loc_us-gaap_CompensationRelatedCostsAbstract_51690669C6B8BA1E85EC5633EC5F9220" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable" xlink:label="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_2EC22E6BDC82FE3C663B5633EC5FD729" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationRelatedCostsAbstract_51690669C6B8BA1E85EC5633EC5F9220" xlink:to="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_2EC22E6BDC82FE3C663B5633EC5FD729" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis_899042DCAC3D206F95E35633EC5F403F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_2EC22E6BDC82FE3C663B5633EC5FD729" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis_899042DCAC3D206F95E35633EC5F403F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain" xlink:label="loc_us-gaap_DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain_FE560642B5992D4A3A865633EC5FD3ED" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis_899042DCAC3D206F95E35633EC5F403F" xlink:to="loc_us-gaap_DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain_FE560642B5992D4A3A865633EC5FD3ED" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredProfitSharingMember" xlink:label="loc_us-gaap_DeferredProfitSharingMember_327EF0736FAA45F33DA25633EC60C87C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain_FE560642B5992D4A3A865633EC5FD3ED" xlink:to="loc_us-gaap_DeferredProfitSharingMember_327EF0736FAA45F33DA25633EC60C87C" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LongTermIncentiveCompensationPlan2013Member" xlink:label="loc_wrb_LongTermIncentiveCompensationPlan2013Member_3AC44D3F02676730E7395633EC6026FE" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain_FE560642B5992D4A3A865633EC5FD3ED" xlink:to="loc_wrb_LongTermIncentiveCompensationPlan2013Member_3AC44D3F02676730E7395633EC6026FE" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LongtermIncentiveCompensationPlan2014Member" xlink:label="loc_wrb_LongtermIncentiveCompensationPlan2014Member_4CD1ED7D38C6CDA18D0B5633EC60A82A" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain_FE560642B5992D4A3A865633EC5FD3ED" xlink:to="loc_wrb_LongtermIncentiveCompensationPlan2014Member_4CD1ED7D38C6CDA18D0B5633EC60A82A" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LongtermIncentiveCompensationPlan2015Member" xlink:label="loc_wrb_LongtermIncentiveCompensationPlan2015Member_B8BC84F4269799EE8DD25633EC60181F" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain_FE560642B5992D4A3A865633EC5FD3ED" xlink:to="loc_wrb_LongtermIncentiveCompensationPlan2015Member_B8BC84F4269799EE8DD25633EC60181F" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LongTermIncentiveCompensationPlan2016Member" xlink:label="loc_wrb_LongTermIncentiveCompensationPlan2016Member_5EFD7B233CFADF3EE0065633EC6190BB" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain_FE560642B5992D4A3A865633EC5FD3ED" xlink:to="loc_wrb_LongTermIncentiveCompensationPlan2016Member_5EFD7B233CFADF3EE0065633EC6190BB" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LongTermIncentiveCompensationPlan2017Member" xlink:label="loc_wrb_LongTermIncentiveCompensationPlan2017Member_0A001655A6244762707A5633EC614747" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain_FE560642B5992D4A3A865633EC5FD3ED" xlink:to="loc_wrb_LongTermIncentiveCompensationPlan2017Member_0A001655A6244762707A5633EC614747" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LongTermIncentiveCompensationPlan2018Member" xlink:label="loc_wrb_LongTermIncentiveCompensationPlan2018Member_AA5A4C52E23903DA6CF95633EC612F28" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain_FE560642B5992D4A3A865633EC5FD3ED" xlink:to="loc_wrb_LongTermIncentiveCompensationPlan2018Member_AA5A4C52E23903DA6CF95633EC612F28" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LongTermIncentiveCompensationPlan2019Member" xlink:label="loc_wrb_LongTermIncentiveCompensationPlan2019Member_499404DFD82B05CE30E35633EC61EE7F" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredBonusAndProfitSharingArrangementIndividualContractTypeOfDeferredCompensationDomain_FE560642B5992D4A3A865633EC5FD3ED" xlink:to="loc_wrb_LongTermIncentiveCompensationPlan2019Member_499404DFD82B05CE30E35633EC61EE7F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_BBC2CEC7D7DE70698F875633EC61B9C8" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_2EC22E6BDC82FE3C663B5633EC5FD729" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_BBC2CEC7D7DE70698F875633EC61B9C8" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DefinedContributionPlanMinimumAnnualContributionsPercent" xlink:label="loc_wrb_DefinedContributionPlanMinimumAnnualContributionsPercent_8C20BFDB4B1B5E3CF3AF5633EC61016F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_BBC2CEC7D7DE70698F875633EC61B9C8" xlink:to="loc_wrb_DefinedContributionPlanMinimumAnnualContributionsPercent_8C20BFDB4B1B5E3CF3AF5633EC61016F" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DeferredCompensationArrangementWithIndividualRequisiteServicePeriodInHours" xlink:label="loc_wrb_DeferredCompensationArrangementWithIndividualRequisiteServicePeriodInHours_EC77DA50A9B53A6E9D815633EC62D38F" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_BBC2CEC7D7DE70698F875633EC61B9C8" xlink:to="loc_wrb_DeferredCompensationArrangementWithIndividualRequisiteServicePeriodInHours_EC77DA50A9B53A6E9D815633EC62D38F" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DefinedContributionPlanImmediateVestingPercent" xlink:label="loc_wrb_DefinedContributionPlanImmediateVestingPercent_EC4D1F06234866D925865633EC62675D" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_BBC2CEC7D7DE70698F875633EC61B9C8" xlink:to="loc_wrb_DefinedContributionPlanImmediateVestingPercent_EC4D1F06234866D925865633EC62675D" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DefinedContributionPlanPeriodicVestingPercent" xlink:label="loc_wrb_DefinedContributionPlanPeriodicVestingPercent_1E0AB2A76A1A9090C7425633EC6252F3" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_BBC2CEC7D7DE70698F875633EC61B9C8" xlink:to="loc_wrb_DefinedContributionPlanPeriodicVestingPercent_1E0AB2A76A1A9090C7425633EC6252F3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_4CCF31F6DCFBA53588B75633EC628B06" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_BBC2CEC7D7DE70698F875633EC61B9C8" xlink:to="loc_us-gaap_DefinedContributionPlanCostRecognized_4CCF31F6DCFBA53588B75633EC628B06" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DeferredCompensationArrangementwithIndividualUnitAwardsGrantedUnitsOutstanding" xlink:label="loc_wrb_DeferredCompensationArrangementwithIndividualUnitAwardsGrantedUnitsOutstanding_CAC139FC14D05A98AE7B5633EC62D888" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_BBC2CEC7D7DE70698F875633EC61B9C8" xlink:to="loc_wrb_DeferredCompensationArrangementwithIndividualUnitAwardsGrantedUnitsOutstanding_CAC139FC14D05A98AE7B5633EC62D888" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DeferredCompensationArrangementwithIndividualUnitAwardsGrantedValue" xlink:label="loc_wrb_DeferredCompensationArrangementwithIndividualUnitAwardsGrantedValue_DB81218D5AA949084B685633EC623E41" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_BBC2CEC7D7DE70698F875633EC61B9C8" xlink:to="loc_wrb_DeferredCompensationArrangementwithIndividualUnitAwardsGrantedValue_DB81218D5AA949084B685633EC623E41" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DeferredCompensationArrangementwithIndividualUnitAwardsEarnedInPeriodValue" xlink:label="loc_wrb_DeferredCompensationArrangementwithIndividualUnitAwardsEarnedInPeriodValue_687256F28ED18CF652035633EC63565F" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_BBC2CEC7D7DE70698F875633EC61B9C8" xlink:to="loc_wrb_DeferredCompensationArrangementwithIndividualUnitAwardsEarnedInPeriodValue_687256F28ED18CF652035633EC63565F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_6CE25BFDFFDDF2C77D545633EC635AFB" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_BBC2CEC7D7DE70698F875633EC61B9C8" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_6CE25BFDFFDDF2C77D545633EC635AFB" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/CompensationPlansTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CompensationRelatedCostsAbstract" xlink:label="loc_us-gaap_CompensationRelatedCostsAbstract_0C31C37303AEE94120A9EBC169F2E007" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualDisclosurePostretirementBenefitsTextBlock" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualDisclosurePostretirementBenefitsTextBlock_0B72263A359E1B5EA240EBC169F29CEF" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationRelatedCostsAbstract_0C31C37303AEE94120A9EBC169F2E007" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualDisclosurePostretirementBenefitsTextBlock_0B72263A359E1B5EA240EBC169F29CEF" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_7734975349F129C1573B558166213F7C" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_7734975349F129C1573B558166213F7C" xlink:to="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="loc_us-gaap_InvestmentsAbstract_3F774679CFBC11383FAD55816621DDB5" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_InvestmentsAbstract_3F774679CFBC11383FAD55816621DDB5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleAndHeldToMaturity" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAndHeldToMaturity_C3499BD2BADBB4AF147055816621755E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsAbstract_3F774679CFBC11383FAD55816621DDB5" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAndHeldToMaturity_C3499BD2BADBB4AF147055816621755E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_B9198EC6A8677071C6565581662204AF" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsAbstract_3F774679CFBC11383FAD55816621DDB5" xlink:to="loc_us-gaap_EquityMethodInvestments_B9198EC6A8677071C6565581662204AF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RealEstateInvestments" xlink:label="loc_us-gaap_RealEstateInvestments_376255EF1CB5B0C67D74558166223945" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsAbstract_3F774679CFBC11383FAD55816621DDB5" xlink:to="loc_us-gaap_RealEstateInvestments_376255EF1CB5B0C67D74558166223945" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TradingSecurities" xlink:label="loc_us-gaap_TradingSecurities_BF3C388AFD09CB8C85DF55816622A036" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsAbstract_3F774679CFBC11383FAD55816621DDB5" xlink:to="loc_us-gaap_TradingSecurities_BF3C388AFD09CB8C85DF55816622A036" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNi" xlink:label="loc_us-gaap_EquitySecuritiesFvNi_468D3B4C87CD8E3A170B55816622BD35" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsAbstract_3F774679CFBC11383FAD55816621DDB5" xlink:to="loc_us-gaap_EquitySecuritiesFvNi_468D3B4C87CD8E3A170B55816622BD35" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet_A828D0FA23F67399F9EE55816622A937" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsAbstract_3F774679CFBC11383FAD55816621DDB5" xlink:to="loc_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet_A828D0FA23F67399F9EE55816622A937" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Investments" xlink:label="loc_us-gaap_Investments_745B55EBB6AB62E2371355816623D4A1" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsAbstract_3F774679CFBC11383FAD55816621DDB5" xlink:to="loc_us-gaap_Investments_745B55EBB6AB62E2371355816623D4A1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0D808547546A7411FDB45581662392A3" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0D808547546A7411FDB45581662392A3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsAndOtherReceivablesNet" xlink:label="loc_us-gaap_PremiumsAndOtherReceivablesNet_C196C0A0EA3074172FB8558166239B5F" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_PremiumsAndOtherReceivablesNet_C196C0A0EA3074172FB8558166239B5F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceRecoverables" xlink:label="loc_us-gaap_ReinsuranceRecoverables_F3AA69C9D35B64902270558166237462" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_ReinsuranceRecoverables_F3AA69C9D35B64902270558166237462" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredPolicyAcquisitionCosts" xlink:label="loc_us-gaap_DeferredPolicyAcquisitionCosts_BC8B6C381E1F2D4DF39B55816623BF2E" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_DeferredPolicyAcquisitionCosts_BC8B6C381E1F2D4DF39B55816623BF2E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PrepaidReinsurancePremiums" xlink:label="loc_us-gaap_PrepaidReinsurancePremiums_794D6ED789CEE87B88C855816623BA4D" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_PrepaidReinsurancePremiums_794D6ED789CEE87B88C855816623BA4D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations" xlink:label="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_81D4995CF70AD89C088F558166244029" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_81D4995CF70AD89C088F558166244029" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_73019CED457CE572FB7D55816624E86F" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_73019CED457CE572FB7D55816624E86F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_B0CEEE7EB55B022C0F09558166241C86" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_Goodwill_B0CEEE7EB55B022C0F09558166241C86" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedInvestmentIncomeReceivable" xlink:label="loc_us-gaap_AccruedInvestmentIncomeReceivable_7C07D6974092E6FD97E55581662450F7" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_AccruedInvestmentIncomeReceivable_7C07D6974092E6FD97E55581662450F7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_87261BF2F7EFC62D864855816624C1CC" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_IncomeTaxesReceivable_87261BF2F7EFC62D864855816624C1CC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_B655D32187E24E88E020558166254383" xlink:type="locator"/>
<link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_B655D32187E24E88E020558166254383" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaap_OtherAssets_E447E13B4569F67F25E355816625FE4F" xlink:type="locator"/>
<link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_OtherAssets_E447E13B4569F67F25E355816625FE4F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_8D208C5907A3FF0E672C558166250BC6" xlink:type="locator"/>
<link:presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_B779D4A0073CC37306285581662154DE" xlink:to="loc_us-gaap_Assets_8D208C5907A3FF0E672C558166250BC6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_83164C694DA352C8B2DD558166255A0D" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_7734975349F129C1573B558166213F7C" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_83164C694DA352C8B2DD558166255A0D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_us-gaap_LiabilitiesAbstract_5B74EDF9D8FA804633B255816625E871" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_83164C694DA352C8B2DD558166255A0D" xlink:to="loc_us-gaap_LiabilitiesAbstract_5B74EDF9D8FA804633B255816625E871" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_5361AB34C14ED1B0A96955816625A0A4" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_5B74EDF9D8FA804633B255816625E871" xlink:to="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_5361AB34C14ED1B0A96955816625A0A4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnearnedPremiums" xlink:label="loc_us-gaap_UnearnedPremiums_ED8061DFF177309E00ED55816626DC16" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_5B74EDF9D8FA804633B255816625E871" xlink:to="loc_us-gaap_UnearnedPremiums_ED8061DFF177309E00ED55816626DC16" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsurancePayable" xlink:label="loc_us-gaap_ReinsurancePayable_E54BEB7998A4C16A92345581662683D6" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_5B74EDF9D8FA804633B255816625E871" xlink:to="loc_us-gaap_ReinsurancePayable_E54BEB7998A4C16A92345581662683D6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TradingLiabilities" xlink:label="loc_us-gaap_TradingLiabilities_92B08AF429DDBF693748558166267615" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_5B74EDF9D8FA804633B255816625E871" xlink:to="loc_us-gaap_TradingLiabilities_92B08AF429DDBF693748558166267615" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_0E6675AE13B365F3DDF7558166268A0C" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_5B74EDF9D8FA804633B255816625E871" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_0E6675AE13B365F3DDF7558166268A0C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLiabilities" xlink:label="loc_us-gaap_OtherLiabilities_8B5FBE19E5878F0CED9A558166270791" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_5B74EDF9D8FA804633B255816625E871" xlink:to="loc_us-gaap_OtherLiabilities_8B5FBE19E5878F0CED9A558166270791" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SeniorNotesAndOtherDebt" xlink:label="loc_wrb_SeniorNotesAndOtherDebt_0AC44B9D416BCE7E43885581662760A5" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_5B74EDF9D8FA804633B255816625E871" xlink:to="loc_wrb_SeniorNotesAndOtherDebt_0AC44B9D416BCE7E43885581662760A5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_JuniorSubordinatedNotes" xlink:label="loc_us-gaap_JuniorSubordinatedNotes_8E10D3138DE6C320DB3D558166274606" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_5B74EDF9D8FA804633B255816625E871" xlink:to="loc_us-gaap_JuniorSubordinatedNotes_8E10D3138DE6C320DB3D558166274606" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_519FE97C895211F21D3C55816627C07A" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_5B74EDF9D8FA804633B255816625E871" xlink:to="loc_us-gaap_Liabilities_519FE97C895211F21D3C55816627C07A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_775FE628A1C353B0DD7D55816627EDC9" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_83164C694DA352C8B2DD558166255A0D" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_775FE628A1C353B0DD7D55816627EDC9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_78BCA6577578D15BF61155816628B089" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_775FE628A1C353B0DD7D55816627EDC9" xlink:to="loc_us-gaap_PreferredStockValue_78BCA6577578D15BF61155816628B089" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_0297BE5300189E4E1E78558166289E23" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_775FE628A1C353B0DD7D55816627EDC9" xlink:to="loc_us-gaap_CommonStockValue_0297BE5300189E4E1E78558166289E23" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_2E9440D29599896158355581662844A7" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_775FE628A1C353B0DD7D55816627EDC9" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_2E9440D29599896158355581662844A7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_33A355A4B0D8CF54BD1B558166281EE8" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_775FE628A1C353B0DD7D55816627EDC9" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_33A355A4B0D8CF54BD1B558166281EE8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_A2A64A0A6828BCF5C86F5581662832FC" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_775FE628A1C353B0DD7D55816627EDC9" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_A2A64A0A6828BCF5C86F5581662832FC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_2C01F549B5AB20BAE61555816629241C" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_775FE628A1C353B0DD7D55816627EDC9" xlink:to="loc_us-gaap_TreasuryStockValue_2C01F549B5AB20BAE61555816629241C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_9384980552A2F3B25F93558166295B5D" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_775FE628A1C353B0DD7D55816627EDC9" xlink:to="loc_us-gaap_StockholdersEquity_9384980552A2F3B25F93558166295B5D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_3D15B9746938C34C700255816629CF79" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_775FE628A1C353B0DD7D55816627EDC9" xlink:to="loc_us-gaap_MinorityInterest_3D15B9746938C34C700255816629CF79" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_1925F70A25DE041F6A63558166290631" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_775FE628A1C353B0DD7D55816627EDC9" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_1925F70A25DE041F6A63558166290631" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_2896174F949DA339665955816629D4CA" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_83164C694DA352C8B2DD558166255A0D" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_2896174F949DA339665955816629D4CA" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_8BA646F77A00E674F702EBC167BEF19A" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_B8EB2CB1DAE03C66FA59EBC167BE2EFF" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_8BA646F77A00E674F702EBC167BEF19A" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_B8EB2CB1DAE03C66FA59EBC167BE2EFF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_F80A90C134125B142E28EBC167BEA1BA" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_8BA646F77A00E674F702EBC167BEF19A" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_F80A90C134125B142E28EBC167BEA1BA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_2572076D4171C0120B6EEBC167BEBC55" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_8BA646F77A00E674F702EBC167BEF19A" xlink:to="loc_us-gaap_PreferredStockSharesIssued_2572076D4171C0120B6EEBC167BEBC55" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_D1188BE01DDAE34172B8EBC167BE18DC" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_8BA646F77A00E674F702EBC167BEF19A" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_D1188BE01DDAE34172B8EBC167BE18DC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_3CAF04A9BE1A99B70EB8EBC167BF6C44" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_8BA646F77A00E674F702EBC167BEF19A" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_3CAF04A9BE1A99B70EB8EBC167BF6C44" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_25463DF2C25713C6167EEBC167BF1D4B" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_8BA646F77A00E674F702EBC167BEF19A" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_25463DF2C25713C6167EEBC167BF1D4B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_9E30A85DD8847AC81881EBC167BF0E03" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_8BA646F77A00E674F702EBC167BEF19A" xlink:to="loc_us-gaap_CommonStockSharesIssued_9E30A85DD8847AC81881EBC167BF0E03" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_5511CE326CF835D0ACDDEBC167BFBCB0" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_8BA646F77A00E674F702EBC167BEF19A" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_5511CE326CF835D0ACDDEBC167BFBCB0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_us-gaap_TreasuryStockShares_1F4C099B7F9F5F7A8532EBC167C0FB99" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_8BA646F77A00E674F702EBC167BEF19A" xlink:to="loc_us-gaap_TreasuryStockShares_1F4C099B7F9F5F7A8532EBC167C0FB99" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ConsolidatedStatementOfComprehensiveIncomeLossDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_E36AD1DA4CE1CAC7AF435633EFF0F3B3" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_A89101AB130E1338D66B5633EFF0C2F3" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_E36AD1DA4CE1CAC7AF435633EFF0F3B3" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_A89101AB130E1338D66B5633EFF0C2F3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_8ADA44D3F2B3A959DB805633EFF17723" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_A89101AB130E1338D66B5633EFF0C2F3" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_8ADA44D3F2B3A959DB805633EFF17723" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_08BDB10D0BD9DC7028A25633EFF1DC75" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_8ADA44D3F2B3A959DB805633EFF17723" xlink:to="loc_us-gaap_EquityComponentDomain_08BDB10D0BD9DC7028A25633EFF1DC75" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_C65A9BF268298164B3525633EFF146ED" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_08BDB10D0BD9DC7028A25633EFF1DC75" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_C65A9BF268298164B3525633EFF146ED" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_01C8891E732389A363DE5633EFF19201" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_08BDB10D0BD9DC7028A25633EFF1DC75" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_01C8891E732389A363DE5633EFF19201" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_54B89FDAF1D75CD077F95633EFF79B9E" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_08BDB10D0BD9DC7028A25633EFF1DC75" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_54B89FDAF1D75CD077F95633EFF79B9E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_AA856C0EA99E683866655633EFF7A628" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_A89101AB130E1338D66B5633EFF0C2F3" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_AA856C0EA99E683866655633EFF7A628" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_36855179B8B0637A834D5633EFF73583" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_AA856C0EA99E683866655633EFF7A628" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_36855179B8B0637A834D5633EFF73583" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_F5606C0025E9363BBE8A5633EFF8A37E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_36855179B8B0637A834D5633EFF73583" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_F5606C0025E9363BBE8A5633EFF8A37E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_A89101AB130E1338D66B5633EFF0C2F3" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_85BDE820A24174A6E7D55633EFF87797" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_85BDE820A24174A6E7D55633EFF87797" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption" xlink:label="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_EAAD6EF309AD62F3B9FC5633EFF85B01" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_EAAD6EF309AD62F3B9FC5633EFF85B01" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1_C9A88BD809C741758F105633EFF9C5F2" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1_C9A88BD809C741758F105633EFF9C5F2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_E7048B178126D6F4C39D5633EFF9A804" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_E7048B178126D6F4C39D5633EFF9A804" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_91B81EDD2DD1A1666EA25633EFF9008D" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_91B81EDD2DD1A1666EA25633EFF9008D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_520DC33B21398127A9765633EFF9E082" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_520DC33B21398127A9765633EFF9E082" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToNoncontrollingInterest_72F04082AED9A266B93B5633EFF98060" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToNoncontrollingInterest_72F04082AED9A266B93B5633EFF98060" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_775B88ADEBA728599CB85633EFF91AD8" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_775B88ADEBA728599CB85633EFF91AD8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="loc_us-gaap_GainLossOnInvestments_2E411A6EDB9CC3FC66C15633EFFA5C4D" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_GainLossOnInvestments_2E411A6EDB9CC3FC66C15633EFFA5C4D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_80F00B62E9BCE0CBBEC45633EFFAB191" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_80F00B62E9BCE0CBBEC45633EFFAB191" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_4CB22DB097F3C4E622A15633EFFABC3C" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_ProfitLoss_4CB22DB097F3C4E622A15633EFFABC3C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_A157311548754F7F640B5633EFFAB2BB" xlink:type="locator"/>
<link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_A157311548754F7F640B5633EFFAB2BB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_8E7A8458C4320EB60F6E5633EFFA0EBC" xlink:type="locator"/>
<link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_8E7A8458C4320EB60F6E5633EFFA0EBC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_3B9EA790061DADB73DE45633EFFB78F0" xlink:type="locator"/>
<link:presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_3B9EA790061DADB73DE45633EFFB78F0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_1A3490067CD7697CBB965633EFFBCEF4" xlink:type="locator"/>
<link:presentationArc order="15" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_1A3490067CD7697CBB965633EFFBCEF4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_D171BEB7C88E94BA72535633EFFBC5A7" xlink:type="locator"/>
<link:presentationArc order="16" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_D171BEB7C88E94BA72535633EFFBC5A7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_53BD792CDC06309FE2E55633EFFB2327" xlink:type="locator"/>
<link:presentationArc order="17" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_53BD792CDC06309FE2E55633EFFB2327" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_C484B746D38597D155815633EFFBAA43" xlink:type="locator"/>
<link:presentationArc order="18" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_C484B746D38597D155815633EFFBAA43" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_67E964A590126A143ECD5633EFFB5C32" xlink:type="locator"/>
<link:presentationArc order="19" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_704D9F772AE3220E617F5633EFF8CB72" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_67E964A590126A143ECD5633EFFB5C32" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ConsolidatedStatementOfComprehensiveLossIncome" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_C59C5246E2033B735E53EBC16AC7D127" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:label="loc_us-gaap_ComprehensiveIncomeNoteTextBlock_158D291EAAD064C7912EEBC16AC7B377" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_C59C5246E2033B735E53EBC16AC7D127" xlink:to="loc_us-gaap_ComprehensiveIncomeNoteTextBlock_158D291EAAD064C7912EEBC16AC7B377" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ConsolidatedStatementOfComprehensiveLossIncomeTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_4F7EF3495388EF35C189EBC168B6DFC7" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_30432F611F0417DA865CEBC168B6F3E9" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_4F7EF3495388EF35C189EBC168B6DFC7" xlink:to="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_30432F611F0417DA865CEBC168B6F3E9" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_0943772890E780360EEE558165ECA8E3" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_3BB1E82C001A8DC00FCE558165ED18E5" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0943772890E780360EEE558165ECA8E3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_3BB1E82C001A8DC00FCE558165ED18E5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_611EB6C60042D9CD3651558165ED68E1" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_3BB1E82C001A8DC00FCE558165ED18E5" xlink:to="loc_us-gaap_NetIncomeLoss_611EB6C60042D9CD3651558165ED68E1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3127FB5AC0B010D104E0558165EDE9B0" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_3BB1E82C001A8DC00FCE558165ED18E5" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3127FB5AC0B010D104E0558165EDE9B0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="loc_us-gaap_GainLossOnInvestments_A24955F395574567F103558165EDA2FB" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3127FB5AC0B010D104E0558165EDE9B0" xlink:to="loc_us-gaap_GainLossOnInvestments_A24955F395574567F103558165EDA2FB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_61F1A50FA85503EB7597558165ED1A62" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3127FB5AC0B010D104E0558165EDE9B0" xlink:to="loc_us-gaap_DepreciationAndAmortization_61F1A50FA85503EB7597558165ED1A62" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_3C1AD04324464726BC81558165EE882E" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3127FB5AC0B010D104E0558165EDE9B0" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_3C1AD04324464726BC81558165EE882E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_E088AA7BB8255419A493558165EEC998" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3127FB5AC0B010D104E0558165EDE9B0" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_E088AA7BB8255419A493558165EEC998" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_CD359BB646F8B2B4145C558165EE4817" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3127FB5AC0B010D104E0558165EDE9B0" xlink:to="loc_us-gaap_ShareBasedCompensation_CD359BB646F8B2B4145C558165EE4817" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_39F1676A165DA46D705D558165EEF7F3" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_3BB1E82C001A8DC00FCE558165ED18E5" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_39F1676A165DA46D705D558165EEF7F3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInTradingSecurities" xlink:label="loc_us-gaap_IncreaseDecreaseInTradingSecurities_104CA704A821F8D8DABD558165EE3D12" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_39F1676A165DA46D705D558165EEF7F3" xlink:to="loc_us-gaap_IncreaseDecreaseInTradingSecurities_104CA704A821F8D8DABD558165EE3D12" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInPremiumsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInPremiumsReceivable_E61C7698A3A8A2C4616F558165EF140F" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_39F1676A165DA46D705D558165EEF7F3" xlink:to="loc_us-gaap_IncreaseDecreaseInPremiumsReceivable_E61C7698A3A8A2C4616F558165EF140F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInReinsuranceRecoverable" xlink:label="loc_us-gaap_IncreaseDecreaseInReinsuranceRecoverable_2B295FCCE7EE02FB9DA0558165EF2343" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_39F1676A165DA46D705D558165EEF7F3" xlink:to="loc_us-gaap_IncreaseDecreaseInReinsuranceRecoverable_2B295FCCE7EE02FB9DA0558165EF2343" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_E3586EEE414A519A7482558165EF84BD" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_39F1676A165DA46D705D558165EEF7F3" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_E3586EEE414A519A7482558165EF84BD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxes" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_167C4CAB4ECBF2DB1F50558165EFC526" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_39F1676A165DA46D705D558165EEF7F3" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_167C4CAB4ECBF2DB1F50558165EFC526" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_EEAF368B93A0AC3A6C4A558165EF360F" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_39F1676A165DA46D705D558165EEF7F3" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_EEAF368B93A0AC3A6C4A558165EF360F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve" xlink:label="loc_us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve_8191062E4EE2AEBDBD38558165F092FE" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_39F1676A165DA46D705D558165EEF7F3" xlink:to="loc_us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve_8191062E4EE2AEBDBD38558165F092FE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInUnearnedPremiums" xlink:label="loc_us-gaap_IncreaseDecreaseInUnearnedPremiums_9B055367B8800C0119A7558165F00E82" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_39F1676A165DA46D705D558165EEF7F3" xlink:to="loc_us-gaap_IncreaseDecreaseInUnearnedPremiums_9B055367B8800C0119A7558165F00E82" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_FDB78A7FCAFA0CB0A4B5558165F0BA26" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_39F1676A165DA46D705D558165EEF7F3" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_FDB78A7FCAFA0CB0A4B5558165F0BA26" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6C23BFFD7A5785D400E5558165F0C100" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_3BB1E82C001A8DC00FCE558165ED18E5" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6C23BFFD7A5785D400E5558165F0C100" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0943772890E780360EEE558165ECA8E3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_5229FAF666095A41F7CB558165F0FA48" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:to="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_5229FAF666095A41F7CB558165F0FA48" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_E696A86A3FC5481CA4C0558165F11DB3" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:to="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_E696A86A3FC5481CA4C0558165F11DB3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForProceedsFromBusinessesAndInterestInAffiliates" xlink:label="loc_us-gaap_PaymentsForProceedsFromBusinessesAndInterestInAffiliates_F73C5122A3262BD7028D558165F178AE" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:to="loc_us-gaap_PaymentsForProceedsFromBusinessesAndInterestInAffiliates_F73C5122A3262BD7028D558165F178AE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_CB0428E6A663FFE95A88558165F10DA8" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_CB0428E6A663FFE95A88558165F10DA8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_53E9B6210B0A7164A178558165F1EE7A" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_53E9B6210B0A7164A178558165F1EE7A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_70C6B06A26FE6702FAA2558165F132D8" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_70C6B06A26FE6702FAA2558165F132D8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireRealEstate" xlink:label="loc_us-gaap_PaymentsToAcquireRealEstate_B9397F57045DC303FC11558165F1EBA3" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:to="loc_us-gaap_PaymentsToAcquireRealEstate_B9397F57045DC303FC11558165F1EBA3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForProceedsFromLoansReceivable" xlink:label="loc_us-gaap_PaymentsForProceedsFromLoansReceivable_75D77463614712392649558165F2B0B6" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:to="loc_us-gaap_PaymentsForProceedsFromLoansReceivable_75D77463614712392649558165F2B0B6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_DCB007E2F641A6743D9B558165F28FA7" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_DCB007E2F641A6743D9B558165F28FA7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet" xlink:label="loc_us-gaap_IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet_402EFA7FC5AAA222C0DE558165F23CCB" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:to="loc_us-gaap_IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet_402EFA7FC5AAA222C0DE558165F23CCB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_50D06E6428B0F85001E6558165F255B2" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_50D06E6428B0F85001E6558165F255B2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_EC42E3601C1B5B822631558165F2627D" xlink:type="locator"/>
<link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_EC42E3601C1B5B822631558165F2627D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_706AC1C91C889FF044D1558165F2E13F" xlink:type="locator"/>
<link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_D658D8C91161905894F8558165F00901" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_706AC1C91C889FF044D1558165F2E13F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97DC5C44EE76A8A2F660558165F37A71" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0943772890E780360EEE558165ECA8E3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97DC5C44EE76A8A2F660558165F37A71" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_BE906D7559B6DA5113FE558165F34A5E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97DC5C44EE76A8A2F660558165F37A71" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_BE906D7559B6DA5113FE558165F34A5E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfDebt" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfDebt_63AF72848F0D5C2E682E558165F3989A" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97DC5C44EE76A8A2F660558165F37A71" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfDebt_63AF72848F0D5C2E682E558165F3989A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_361AA86159F2522B53AC558165F36264" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97DC5C44EE76A8A2F660558165F37A71" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_361AA86159F2522B53AC558165F36264" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_0A8D902A2B72E80B75A7558165F38E35" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97DC5C44EE76A8A2F660558165F37A71" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_0A8D902A2B72E80B75A7558165F38E35" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_C524392D67CA4DD5FB87558165F4C52E" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97DC5C44EE76A8A2F660558165F37A71" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_C524392D67CA4DD5FB87558165F4C52E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_40A70BFBB766E67D425A558165F46F19" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97DC5C44EE76A8A2F660558165F37A71" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_40A70BFBB766E67D425A558165F46F19" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2ECD807092A1B6FCAB7C558165F449B4" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0943772890E780360EEE558165ECA8E3" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2ECD807092A1B6FCAB7C558165F449B4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_E61D92DD3483E8A18F68558165F49DB9" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0943772890E780360EEE558165ECA8E3" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_E61D92DD3483E8A18F68558165F49DB9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_C60852E17578BD72AC13558165F4629F" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0943772890E780360EEE558165ECA8E3" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_C60852E17578BD72AC13558165F4629F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_58C2EB09A9B5535C1341558165F4F489" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0943772890E780360EEE558165ECA8E3" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_58C2EB09A9B5535C1341558165F4F489" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_D0F31B7C4A5AED500E9A558165FE8E27" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_817D74E54056E0B9656B558165FE101C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_D0F31B7C4A5AED500E9A558165FE8E27" xlink:to="loc_us-gaap_ProfitLoss_817D74E54056E0B9656B558165FE101C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_1FAA18DC360DC52664B8558165FE3473" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_D0F31B7C4A5AED500E9A558165FE8E27" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_1FAA18DC360DC52664B8558165FE3473" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_56B005071137E4BC396B558165FE0E6F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_1FAA18DC360DC52664B8558165FE3473" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_56B005071137E4BC396B558165FE0E6F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_E176DF57ADC965B43F0E558165FFF471" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_1FAA18DC360DC52664B8558165FE3473" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_E176DF57ADC965B43F0E558165FFF471" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_9EF6EEC77F886B14B4A4558165FF9C46" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_1FAA18DC360DC52664B8558165FE3473" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_9EF6EEC77F886B14B4A4558165FF9C46" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_C584E6EF246DD0B5654A558165FF33E1" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_D0F31B7C4A5AED500E9A558165FE8E27" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_C584E6EF246DD0B5654A558165FF33E1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_4E1BC3933659A8EF1019558165FFDD57" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_D0F31B7C4A5AED500E9A558165FE8E27" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_4E1BC3933659A8EF1019558165FFDD57" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_2A950A9C7AAD96B48ECD558165FFEDFD" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_D0F31B7C4A5AED500E9A558165FE8E27" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_2A950A9C7AAD96B48ECD558165FFEDFD" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ConsolidatedStatementsOfIncome" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_94FCCAAECC84CB5237B9EBC16B9A331C" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract_7544ACA0BE4FFDE27923EBC16B9BF1B9" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_94FCCAAECC84CB5237B9EBC16B9A331C" xlink:to="loc_us-gaap_RevenuesAbstract_7544ACA0BE4FFDE27923EBC16B9BF1B9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsWrittenNet" xlink:label="loc_us-gaap_PremiumsWrittenNet_7B7FC79277A94426D2C3EBC16B9B50C1" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_7544ACA0BE4FFDE27923EBC16B9BF1B9" xlink:to="loc_us-gaap_PremiumsWrittenNet_7B7FC79277A94426D2C3EBC16B9B50C1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInUnearnedPremiumsNet" xlink:label="loc_us-gaap_IncreaseDecreaseInUnearnedPremiumsNet_D3E7D84877FA673520C4EBC16B9CC4E3" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_7544ACA0BE4FFDE27923EBC16B9BF1B9" xlink:to="loc_us-gaap_IncreaseDecreaseInUnearnedPremiumsNet_D3E7D84877FA673520C4EBC16B9CC4E3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsEarnedNet" xlink:label="loc_us-gaap_PremiumsEarnedNet_21BA42EFA5CC7FEC98DDEBC16B9C7F33" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_7544ACA0BE4FFDE27923EBC16B9BF1B9" xlink:to="loc_us-gaap_PremiumsEarnedNet_21BA42EFA5CC7FEC98DDEBC16B9C7F33" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetInvestmentIncome" xlink:label="loc_us-gaap_NetInvestmentIncome_50D4271EDD220A56CC7CEBC16B9D0AC7" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_7544ACA0BE4FFDE27923EBC16B9BF1B9" xlink:to="loc_us-gaap_NetInvestmentIncome_50D4271EDD220A56CC7CEBC16B9D0AC7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnInvestmentsAbstract" xlink:label="loc_us-gaap_GainLossOnInvestmentsAbstract_ADD8818410164423F680EBC16B9D56E7" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_7544ACA0BE4FFDE27923EBC16B9BF1B9" xlink:to="loc_us-gaap_GainLossOnInvestmentsAbstract_ADD8818410164423F680EBC16B9D56E7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments" xlink:label="loc_us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments_209D88DCCD509BAB7A3FEBC16B9DE9B2" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GainLossOnInvestmentsAbstract_ADD8818410164423F680EBC16B9D56E7" xlink:to="loc_us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments_209D88DCCD509BAB7A3FEBC16B9DE9B2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet" xlink:label="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_21CFA4CC5380E2A107D0EBC16B9E2C56" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GainLossOnInvestmentsAbstract_ADD8818410164423F680EBC16B9D56E7" xlink:to="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_21CFA4CC5380E2A107D0EBC16B9E2C56" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="loc_us-gaap_GainLossOnInvestments_15F5251B5D2210BB38DCEBC16B9E6739" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GainLossOnInvestmentsAbstract_ADD8818410164423F680EBC16B9D56E7" xlink:to="loc_us-gaap_GainLossOnInvestments_15F5251B5D2210BB38DCEBC16B9E6739" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_RevenuesFromWhollyOwnedInvestees" xlink:label="loc_wrb_RevenuesFromWhollyOwnedInvestees_BC2AB474950D2171A5EBEBC16B9FEA13" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_7544ACA0BE4FFDE27923EBC16B9BF1B9" xlink:to="loc_wrb_RevenuesFromWhollyOwnedInvestees_BC2AB474950D2171A5EBEBC16B9FEA13" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceCommissionsAndFees" xlink:label="loc_us-gaap_InsuranceCommissionsAndFees_87B52DF8D15FAEFAC70BEBC16B9F2FDF" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_7544ACA0BE4FFDE27923EBC16B9BF1B9" xlink:to="loc_us-gaap_InsuranceCommissionsAndFees_87B52DF8D15FAEFAC70BEBC16B9F2FDF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherIncome" xlink:label="loc_us-gaap_OtherIncome_4878181C0EE6CF868CFAEBC16BA06720" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_7544ACA0BE4FFDE27923EBC16B9BF1B9" xlink:to="loc_us-gaap_OtherIncome_4878181C0EE6CF868CFAEBC16BA06720" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_2706BF916CF6A815EAB5EBC16BA06751" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_7544ACA0BE4FFDE27923EBC16B9BF1B9" xlink:to="loc_us-gaap_Revenues_2706BF916CF6A815EAB5EBC16BA06751" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingCostsAndExpensesAbstract" xlink:label="loc_us-gaap_OperatingCostsAndExpensesAbstract_AABF26A8E41326EAF2F5EBC16BA0054D" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_94FCCAAECC84CB5237B9EBC16B9A331C" xlink:to="loc_us-gaap_OperatingCostsAndExpensesAbstract_AABF26A8E41326EAF2F5EBC16BA0054D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PolicyholderBenefitsAndClaimsIncurredNet" xlink:label="loc_us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_7CF2B7E55AEE41BF2FA5EBC16BA19CA6" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_AABF26A8E41326EAF2F5EBC16BA0054D" xlink:to="loc_us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_7CF2B7E55AEE41BF2FA5EBC16BA19CA6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_14886867B1EF1BE8238AEBC16BA10602" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_AABF26A8E41326EAF2F5EBC16BA0054D" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_14886867B1EF1BE8238AEBC16BA10602" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ExpensesFromWhollyOwnedInvestees" xlink:label="loc_wrb_ExpensesFromWhollyOwnedInvestees_951793316CE1EF555CF5EBC16BA2ADBF" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_AABF26A8E41326EAF2F5EBC16BA0054D" xlink:to="loc_wrb_ExpensesFromWhollyOwnedInvestees_951793316CE1EF555CF5EBC16BA2ADBF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_FAC0109A67E2E363BC2BEBC16BA26493" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_AABF26A8E41326EAF2F5EBC16BA0054D" xlink:to="loc_us-gaap_InterestExpense_FAC0109A67E2E363BC2BEBC16BA26493" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingCostsAndExpenses" xlink:label="loc_us-gaap_OperatingCostsAndExpenses_A6E7C615486621417D32EBC16BA2F70F" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingCostsAndExpensesAbstract_AABF26A8E41326EAF2F5EBC16BA0054D" xlink:to="loc_us-gaap_OperatingCostsAndExpenses_A6E7C615486621417D32EBC16BA2F70F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_CB1F024757210C38315FEBC16BA2EB29" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_94FCCAAECC84CB5237B9EBC16B9A331C" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_CB1F024757210C38315FEBC16BA2EB29" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_305CAAF21C3B162C44ABEBC16BA2EC91" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_94FCCAAECC84CB5237B9EBC16B9A331C" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_305CAAF21C3B162C44ABEBC16BA2EC91" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_3BD520AA989C9117F974EBC16BA31EBE" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_94FCCAAECC84CB5237B9EBC16B9A331C" xlink:to="loc_us-gaap_ProfitLoss_3BD520AA989C9117F974EBC16BA31EBE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_783753AD98BF760C6B70EBC16BA369D4" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_94FCCAAECC84CB5237B9EBC16B9A331C" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_783753AD98BF760C6B70EBC16BA369D4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_27C13139F21995B925E0EBC16BA47814" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_94FCCAAECC84CB5237B9EBC16B9A331C" xlink:to="loc_us-gaap_NetIncomeLoss_27C13139F21995B925E0EBC16BA47814" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_A96BE08B801513B00B9AEBC16BA4B65E" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_94FCCAAECC84CB5237B9EBC16B9A331C" xlink:to="loc_us-gaap_EarningsPerShareAbstract_A96BE08B801513B00B9AEBC16BA4B65E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_22EC3D0F6B09387AA2B5EBC16BA4E7D8" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_A96BE08B801513B00B9AEBC16BA4B65E" xlink:to="loc_us-gaap_EarningsPerShareBasic_22EC3D0F6B09387AA2B5EBC16BA4E7D8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_CB26B6FEAAD362785AFEEBC16BA5F8CC" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_A96BE08B801513B00B9AEBC16BA4B65E" xlink:to="loc_us-gaap_EarningsPerShareDiluted_CB26B6FEAAD362785AFEEBC16BA5F8CC" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_E2C27C16BD15259988095633F096A189" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_A5A2E5CDB715C15590455633F096B4E4" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_E2C27C16BD15259988095633F096A189" xlink:to="loc_us-gaap_StatementTable_A5A2E5CDB715C15590455633F096B4E4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_563FCEA79E4763D7F3E15633F096D1CA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_A5A2E5CDB715C15590455633F096B4E4" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_563FCEA79E4763D7F3E15633F096D1CA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_D0491FE8910A265E0ADD5633F0969A60" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_563FCEA79E4763D7F3E15633F096D1CA" xlink:to="loc_us-gaap_EquityComponentDomain_D0491FE8910A265E0ADD5633F0969A60" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_4226B4BD1FE275BA334B5633F097AD69" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_D0491FE8910A265E0ADD5633F0969A60" xlink:to="loc_us-gaap_CommonStockMember_4226B4BD1FE275BA334B5633F097AD69" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_4E8FBC1F5FB43302F3D65633F0971B09" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_D0491FE8910A265E0ADD5633F0969A60" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_4E8FBC1F5FB43302F3D65633F0971B09" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_8433A67E8F36294274D75633F097046F" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_D0491FE8910A265E0ADD5633F0969A60" xlink:to="loc_us-gaap_RetainedEarningsMember_8433A67E8F36294274D75633F097046F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_078808A4678DC3AF200D5633F097EF51" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_D0491FE8910A265E0ADD5633F0969A60" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_078808A4678DC3AF200D5633F097EF51" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_4FDEC98A7BAC4DF2DFF75633F097AA05" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_078808A4678DC3AF200D5633F097EF51" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_4FDEC98A7BAC4DF2DFF75633F097AA05" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_72806FE8A5FADF25BC715633F098B0CB" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_078808A4678DC3AF200D5633F097EF51" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_72806FE8A5FADF25BC715633F098B0CB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_39B1259FE7EE8E76EA7D5633F098D1DB" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_D0491FE8910A265E0ADD5633F0969A60" xlink:to="loc_us-gaap_TreasuryStockMember_39B1259FE7EE8E76EA7D5633F098D1DB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_866297C2DF58008E61435633F098F751" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_D0491FE8910A265E0ADD5633F0969A60" xlink:to="loc_us-gaap_NoncontrollingInterestMember_866297C2DF58008E61435633F098F751" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_E0E94E86EA4FDF73B7F25633F0982DA5" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_A5A2E5CDB715C15590455633F096B4E4" xlink:to="loc_us-gaap_StatementLineItems_E0E94E86EA4FDF73B7F25633F0982DA5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_E0E94E86EA4FDF73B7F25633F0982DA5" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_D60B32FE07D97D32F2645633F09961B8" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_D60B32FE07D97D32F2645633F09961B8" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_AdjustmentstoAdditionalPaidinCapitalStockIssuedDuringPeriodValueStockOptionsExercisedValueRestrictedStockIssuedNetofTaxBenefitExpense" xlink:label="loc_wrb_AdjustmentstoAdditionalPaidinCapitalStockIssuedDuringPeriodValueStockOptionsExercisedValueRestrictedStockIssuedNetofTaxBenefitExpense_9CB13597540F82D9FA395633F099F9A1" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_wrb_AdjustmentstoAdditionalPaidinCapitalStockIssuedDuringPeriodValueStockOptionsExercisedValueRestrictedStockIssuedNetofTaxBenefitExpense_9CB13597540F82D9FA395633F099F9A1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_D147802A59F0731708D05633F09984CF" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_D147802A59F0731708D05633F09984CF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption" xlink:label="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_597CA36705E3D61473235633F099F216" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_597CA36705E3D61473235633F099F216" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_C714E05DD6088E1DB6E95633F099C94F" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_C714E05DD6088E1DB6E95633F099C94F" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_OtherComprehensiveIncomeUnrealizedGainsonOtherThanTemporarilyImpairedSecurities" xlink:label="loc_wrb_OtherComprehensiveIncomeUnrealizedGainsonOtherThanTemporarilyImpairedSecurities_C0E1F73011EA2BFA25FF5633F09A1A2C" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_wrb_OtherComprehensiveIncomeUnrealizedGainsonOtherThanTemporarilyImpairedSecurities_C0E1F73011EA2BFA25FF5633F09A1A2C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_B28289E664D715405F9D5633F09AA90B" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_B28289E664D715405F9D5633F09AA90B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued_8B76B3FFBFD7406EE3635633F09AC5CD" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued_8B76B3FFBFD7406EE3635633F09AC5CD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_4BA74266BFED6E17BF355633F09A23A1" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_4BA74266BFED6E17BF355633F09A23A1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_A0389D4CCCD6E76852D45633F09ADA74" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_A0389D4CCCD6E76852D45633F09ADA74" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination" xlink:label="loc_us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination_EE4497FDBF870C1D9B785633F09B3801" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination_EE4497FDBF870C1D9B785633F09B3801" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_490831AE4C340DD4BB645633F09BC085" xlink:type="locator"/>
<link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_us-gaap_ProfitLoss_490831AE4C340DD4BB645633F09BC085" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Dividends" xlink:label="loc_us-gaap_Dividends_14FAB94CB7FBE7C541CA5633F09BF6FE" xlink:type="locator"/>
<link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_us-gaap_Dividends_14FAB94CB7FBE7C541CA5633F09BF6FE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_DE95F7C7052328C297365633F09BA582" xlink:type="locator"/>
<link:presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_DE95F7C7052328C297365633F09BA582" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4BFE93DEC51DB4818CC65633F09B3EC9" xlink:type="locator"/>
<link:presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_783CEC654EE3CA5EFB345633F098E1FE" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4BFE93DEC51DB4818CC65633F09B3EC9" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_B09E512F1233A856AFB2559C944DF146" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockDividendsPerShareCashPaid" xlink:label="loc_us-gaap_CommonStockDividendsPerShareCashPaid_A75212BF99AE3AD295D0559DA1F46662" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_B09E512F1233A856AFB2559C944DF146" xlink:to="loc_us-gaap_CommonStockDividendsPerShareCashPaid_A75212BF99AE3AD295D0559DA1F46662" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/CoverPage" xlink:type="extended">
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CoverAbstract" xlink:label="loc_dei_CoverAbstract_38144548004C9FE03BA255816641AF52" xlink:type="locator"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitiesTable" xlink:label="loc_dei_EntitiesTable_B0BDCC996BAA9E21BCE2558166419E5B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_38144548004C9FE03BA255816641AF52" xlink:to="loc_dei_EntitiesTable_B0BDCC996BAA9E21BCE2558166419E5B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_30F1A55A5291743C5F8E55816641BA24" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntitiesTable_B0BDCC996BAA9E21BCE2558166419E5B" xlink:to="loc_us-gaap_DebtInstrumentAxis_30F1A55A5291743C5F8E55816641BA24" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_DBD2D934C583BDF02DE555816641B492" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_30F1A55A5291743C5F8E55816641BA24" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_DBD2D934C583BDF02DE555816641B492" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SubordinatedDebenturesDue20535.625Member" xlink:label="loc_wrb_SubordinatedDebenturesDue20535.625Member_3CC9871B4646C3F08A19558166410B5A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_DBD2D934C583BDF02DE555816641B492" xlink:to="loc_wrb_SubordinatedDebenturesDue20535.625Member_3CC9871B4646C3F08A19558166410B5A" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SubordinatedDebenturesDue20565.9Member" xlink:label="loc_wrb_SubordinatedDebenturesDue20565.9Member_4A5D7D13BD14BF5DE116558166419381" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_DBD2D934C583BDF02DE555816641B492" xlink:to="loc_wrb_SubordinatedDebenturesDue20565.9Member_4A5D7D13BD14BF5DE116558166419381" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SubordinatedDebenturesDue20565.75Member" xlink:label="loc_wrb_SubordinatedDebenturesDue20565.75Member_2D0F380281DFF6EBC79B558166413177" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_DBD2D934C583BDF02DE555816641B492" xlink:to="loc_wrb_SubordinatedDebenturesDue20565.75Member_2D0F380281DFF6EBC79B558166413177" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SubordinatedDebenturesDue20585.70Member" xlink:label="loc_wrb_SubordinatedDebenturesDue20585.70Member_AF0A8E484326934EC11B55816641B627" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_DBD2D934C583BDF02DE555816641B492" xlink:to="loc_wrb_SubordinatedDebenturesDue20585.70Member_AF0A8E484326934EC11B55816641B627" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SubordinatedDebenturesDue20595.10Member" xlink:label="loc_wrb_SubordinatedDebenturesDue20595.10Member_7722AC7A58A326F1418D558C9FD537AF" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_DBD2D934C583BDF02DE555816641B492" xlink:to="loc_wrb_SubordinatedDebenturesDue20595.10Member_7722AC7A58A326F1418D558C9FD537AF" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInformationLineItems" xlink:label="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntitiesTable_B0BDCC996BAA9E21BCE2558166419E5B" xlink:to="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_183AF08CFD0E6CDD7C7E55816643CE60" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_DocumentType_183AF08CFD0E6CDD7C7E55816643CE60" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentAnnualReport" xlink:label="loc_dei_DocumentAnnualReport_1D49142515C5062ABC3955816643DD09" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_DocumentAnnualReport_1D49142515C5062ABC3955816643DD09" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_756F7F470EE9A81FF11D558166437F11" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_DocumentPeriodEndDate_756F7F470EE9A81FF11D558166437F11" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentTransitionReport" xlink:label="loc_dei_DocumentTransitionReport_A1633784C86B2B3004F555816643D261" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_DocumentTransitionReport_A1633784C86B2B3004F555816643D261" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber" xlink:label="loc_dei_EntityFileNumber_752C42A7DC46ECEFF4D6558166438223" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityFileNumber_752C42A7DC46ECEFF4D6558166438223" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_32602A6956369EED0C7555816643530D" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityRegistrantName_32602A6956369EED0C7555816643530D" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="loc_dei_EntityIncorporationStateCountryCode_05EC145272CCCDD67AC85581664381BE" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityIncorporationStateCountryCode_05EC145272CCCDD67AC85581664381BE" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber" xlink:label="loc_dei_EntityTaxIdentificationNumber_45FB5EECC8D9C6F98371558166431291" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityTaxIdentificationNumber_45FB5EECC8D9C6F98371558166431291" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1" xlink:label="loc_dei_EntityAddressAddressLine1_0C9E07C3C287527EE5F255816643A80A" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityAddressAddressLine1_0C9E07C3C287527EE5F255816643A80A" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown" xlink:label="loc_dei_EntityAddressCityOrTown_970B261E34BDA7491C6D55816645568B" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityAddressCityOrTown_970B261E34BDA7491C6D55816645568B" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince" xlink:label="loc_dei_EntityAddressStateOrProvince_F2F803B06694AC89E6F2558166455F1E" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityAddressStateOrProvince_F2F803B06694AC89E6F2558166455F1E" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode" xlink:label="loc_dei_EntityAddressPostalZipCode_D35D323860AABB950E4555816645E13A" xlink:type="locator"/>
<link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityAddressPostalZipCode_D35D323860AABB950E4555816645E13A" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode" xlink:label="loc_dei_CityAreaCode_88018508BCAD08271B1E558166452978" xlink:type="locator"/>
<link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_CityAreaCode_88018508BCAD08271B1E558166452978" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber" xlink:label="loc_dei_LocalPhoneNumber_C6A519C2D6348646B44B55816645F146" xlink:type="locator"/>
<link:presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_LocalPhoneNumber_C6A519C2D6348646B44B55816645F146" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle" xlink:label="loc_dei_Security12bTitle_FA52A9EE4EA5D072816955816645D3EF" xlink:type="locator"/>
<link:presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_Security12bTitle_FA52A9EE4EA5D072816955816645D3EF" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol_42822E8CAFAF903430B855816646CA53" xlink:type="locator"/>
<link:presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_TradingSymbol_42822E8CAFAF903430B855816646CA53" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName" xlink:label="loc_dei_SecurityExchangeName_DE0B4B48DD92BEBEC5D0558166467C78" xlink:type="locator"/>
<link:presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_SecurityExchangeName_DE0B4B48DD92BEBEC5D0558166467C78" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_A9DAE4FB4E12FED59BE555816646764F" xlink:type="locator"/>
<link:presentationArc order="18" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_A9DAE4FB4E12FED59BE555816646764F" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_DAEDC77852BB9AAA593255816646D026" xlink:type="locator"/>
<link:presentationArc order="19" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityVoluntaryFilers_DAEDC77852BB9AAA593255816646D026" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_FA4222BB802F5A4EE17555816646FC7A" xlink:type="locator"/>
<link:presentationArc order="20" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityCurrentReportingStatus_FA4222BB802F5A4EE17555816646FC7A" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInteractiveDataCurrent" xlink:label="loc_dei_EntityInteractiveDataCurrent_C40FDB15B40AA018C25955816646C3BE" xlink:type="locator"/>
<link:presentationArc order="21" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityInteractiveDataCurrent_C40FDB15B40AA018C25955816646C3BE" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_5F163E45B71F2CBB3F1755816647CC93" xlink:type="locator"/>
<link:presentationArc order="22" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityFilerCategory_5F163E45B71F2CBB3F1755816647CC93" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitySmallBusiness" xlink:label="loc_dei_EntitySmallBusiness_E903BB24D9845606796E558166475DE3" xlink:type="locator"/>
<link:presentationArc order="23" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntitySmallBusiness_E903BB24D9845606796E558166475DE3" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:label="loc_dei_EntityEmergingGrowthCompany_1777DE523513B8F8C7CD55816647CCD7" xlink:type="locator"/>
<link:presentationArc order="24" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityEmergingGrowthCompany_1777DE523513B8F8C7CD55816647CCD7" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityShellCompany" xlink:label="loc_dei_EntityShellCompany_2E0BD643FC9C21DFE916558166470A97" xlink:type="locator"/>
<link:presentationArc order="25" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityShellCompany_2E0BD643FC9C21DFE916558166470A97" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat_A1862C9EC0749F58E9E655816647E518" xlink:type="locator"/>
<link:presentationArc order="26" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityPublicFloat_A1862C9EC0749F58E9E655816647E518" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_647F4917E7A382B123B8558166479405" xlink:type="locator"/>
<link:presentationArc order="27" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_647F4917E7A382B123B8558166479405" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_7117569F7FD7F3D5096A55816647555A" xlink:type="locator"/>
<link:presentationArc order="28" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_EntityCentralIndexKey_7117569F7FD7F3D5096A55816647555A" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_877D47204DB6B08285B455816648B065" xlink:type="locator"/>
<link:presentationArc order="29" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_CurrentFiscalYearEndDate_877D47204DB6B08285B455816648B065" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_31599A288D215B1862A555816648DD47" xlink:type="locator"/>
<link:presentationArc order="30" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_DocumentFiscalYearFocus_31599A288D215B1862A555816648DD47" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_EBCA2385B48FD97A6C5055816648E3DE" xlink:type="locator"/>
<link:presentationArc order="31" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_DocumentFiscalPeriodFocus_EBCA2385B48FD97A6C5055816648E3DE" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_A1DD91A09317BB11999155816648EC4E" xlink:type="locator"/>
<link:presentationArc order="32" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_AmendmentFlag_A1DD91A09317BB11999155816648EC4E" xlink:type="arc"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentsIncorporatedByReferenceTextBlock" xlink:label="loc_dei_DocumentsIncorporatedByReferenceTextBlock_337A93DFA822DDC8776D55816648747C" xlink:type="locator"/>
<link:presentationArc order="33" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_E997DE309873DE821718558166410BAF" xlink:to="loc_dei_DocumentsIncorporatedByReferenceTextBlock_337A93DFA822DDC8776D55816648747C" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/DividendsFromSubsidiariesAndStatutoryFinancialInformation" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceAbstract" xlink:label="loc_us-gaap_InsuranceAbstract_B935615FE403E8096C3CEBC1684B88B1" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DividendsfromSubsidiariesandStatutoryFinancialInformationTextBlock" xlink:label="loc_wrb_DividendsfromSubsidiariesandStatutoryFinancialInformationTextBlock_135282E5471D5658ACD2EBC1684BA618" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_B935615FE403E8096C3CEBC1684B88B1" xlink:to="loc_wrb_DividendsfromSubsidiariesandStatutoryFinancialInformationTextBlock_135282E5471D5658ACD2EBC1684BA618" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/DividendsFromSubsidiariesAndStatutoryFinancialInformationScheduleOfCombinedNetIncomeAndPolicyholdersSurplusInAccordanceWithStatutoryAccountingPracticesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceAbstract" xlink:label="loc_us-gaap_InsuranceAbstract_20C214C59B76EC91B842EBC169FED861" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval" xlink:label="loc_us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval_E42191FF32DC4D99C038EBC169FE6F6E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_20C214C59B76EC91B842EBC169FED861" xlink:to="loc_us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval_E42191FF32DC4D99C038EBC169FE6F6E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount" xlink:label="loc_us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount_EC30B340641F7D88C0CFEBC169FED68B" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_20C214C59B76EC91B842EBC169FED861" xlink:to="loc_us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount_EC30B340641F7D88C0CFEBC169FED68B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance" xlink:label="loc_us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance_632BFB2BE9ED9D5EAF31EBC169FF2629" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_20C214C59B76EC91B842EBC169FED861" xlink:to="loc_us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance_632BFB2BE9ED9D5EAF31EBC169FF2629" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_StatutoryAccountingPracticesStatutoryCapitalandSurplusTotalIncreaseDecreaseEffectonBalance" xlink:label="loc_wrb_StatutoryAccountingPracticesStatutoryCapitalandSurplusTotalIncreaseDecreaseEffectonBalance_4E8F664EF411B7E7BBC9EBC169FF95BE" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_20C214C59B76EC91B842EBC169FED861" xlink:to="loc_wrb_StatutoryAccountingPracticesStatutoryCapitalandSurplusTotalIncreaseDecreaseEffectonBalance_4E8F664EF411B7E7BBC9EBC169FF95BE" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_StatutoryAccountingPracticesStatutoryCapitalandSurplusAdjustedCapitalBalanceRemedialThresholdPercent" xlink:label="loc_wrb_StatutoryAccountingPracticesStatutoryCapitalandSurplusAdjustedCapitalBalanceRemedialThresholdPercent_EEF7CEBFD61705910321EBC169FF6EA4" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_20C214C59B76EC91B842EBC169FED861" xlink:to="loc_wrb_StatutoryAccountingPracticesStatutoryCapitalandSurplusAdjustedCapitalBalanceRemedialThresholdPercent_EEF7CEBFD61705910321EBC169FF6EA4" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_StatutoryAccountingPracticesStatutoryCapitalandSurplusAdjustedCapitalBalance" xlink:label="loc_wrb_StatutoryAccountingPracticesStatutoryCapitalandSurplusAdjustedCapitalBalance_C0A4488556D3963B3E86EBC16A0042E6" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_20C214C59B76EC91B842EBC169FED861" xlink:to="loc_wrb_StatutoryAccountingPracticesStatutoryCapitalandSurplusAdjustedCapitalBalance_C0A4488556D3963B3E86EBC16A0042E6" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_StatutoryAccountingPracticesStatutoryCapitalandSurplusAdjustedCapitalBalancePercent" xlink:label="loc_wrb_StatutoryAccountingPracticesStatutoryCapitalandSurplusAdjustedCapitalBalancePercent_D9ACEB12CD51828B15BEEBC16A00E217" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_20C214C59B76EC91B842EBC169FED861" xlink:to="loc_wrb_StatutoryAccountingPracticesStatutoryCapitalandSurplusAdjustedCapitalBalancePercent_D9ACEB12CD51828B15BEEBC16A00E217" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/DividendsFromSubsidiariesAndStatutoryFinancialInformationTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceAbstract" xlink:label="loc_us-gaap_InsuranceAbstract_5CB1DD494B6D04BF44FAEBC1699693D2" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatutoryAccountingPracticesDisclosureTextBlock" xlink:label="loc_us-gaap_StatutoryAccountingPracticesDisclosureTextBlock_7B4C9C47BD625376810CEBC169969072" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_5CB1DD494B6D04BF44FAEBC1699693D2" xlink:to="loc_us-gaap_StatutoryAccountingPracticesDisclosureTextBlock_7B4C9C47BD625376810CEBC169969072" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/FairValueMeasurements" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_E313A2E5094F048B91B3EBC167DEFC6F" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_9EC51B60848928CF3B46EBC167DF5E36" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_E313A2E5094F048B91B3EBC167DEFC6F" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_9EC51B60848928CF3B46EBC167DF5E36" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/FairValueMeasurementsAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_84B0B0ED0DB80C09DAE55633EDD9C59F" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9DEEE93D770E892AD0995633EDD97470" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_84B0B0ED0DB80C09DAE55633EDD9C59F" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9DEEE93D770E892AD0995633EDD97470" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_4730DC8078A34F99CFEF5633EDD9E38D" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9DEEE93D770E892AD0995633EDD97470" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_4730DC8078A34F99CFEF5633EDD9E38D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_6FA8D7DA32CDA95F51DD5633EDDAED6C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_4730DC8078A34F99CFEF5633EDD9E38D" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_6FA8D7DA32CDA95F51DD5633EDDAED6C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_6F05C3131DDFE65A2F745633EDDA6320" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_6FA8D7DA32CDA95F51DD5633EDDAED6C" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_6F05C3131DDFE65A2F745633EDDA6320" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_51115E935C0E16CA34245633EDDAB068" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9DEEE93D770E892AD0995633EDD97470" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_51115E935C0E16CA34245633EDDAB068" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6187DC30904FBA39D39E5633EDDFAB2B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_51115E935C0E16CA34245633EDDAB068" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6187DC30904FBA39D39E5633EDDFAB2B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USTreasuryAndGovernmentMember" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_19E160FDA7BACE4A0A5A5633EDE0FEB8" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6187DC30904FBA39D39E5633EDDFAB2B" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_19E160FDA7BACE4A0A5A5633EDE0FEB8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USStatesAndPoliticalSubdivisionsMember" xlink:label="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_B7D7E0125F2E5390F6225633EDE00CA3" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6187DC30904FBA39D39E5633EDDFAB2B" xlink:to="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_B7D7E0125F2E5390F6225633EDE00CA3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MortgageBackedSecuritiesMember" xlink:label="loc_us-gaap_MortgageBackedSecuritiesMember_575B79B4E7D01C2FA0F15633EDE05E89" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6187DC30904FBA39D39E5633EDDFAB2B" xlink:to="loc_us-gaap_MortgageBackedSecuritiesMember_575B79B4E7D01C2FA0F15633EDE05E89" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_C7F62CAC2A63D706C42B5633EDE03010" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6187DC30904FBA39D39E5633EDDFAB2B" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_C7F62CAC2A63D706C42B5633EDE03010" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_AAC2C702F1D1186869A45633EDE13EBB" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6187DC30904FBA39D39E5633EDDFAB2B" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_AAC2C702F1D1186869A45633EDE13EBB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_C87811B4724EFB7AF4A45633EDE169BF" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6187DC30904FBA39D39E5633EDDFAB2B" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_C87811B4724EFB7AF4A45633EDE169BF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_7FAEA7A56BA967E5DA2E5633EDE18914" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6187DC30904FBA39D39E5633EDDFAB2B" xlink:to="loc_us-gaap_CommonStockMember_7FAEA7A56BA967E5DA2E5633EDE18914" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockMember" xlink:label="loc_us-gaap_PreferredStockMember_26A349B931AA0AC31BFF5633EDE1B89F" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_6187DC30904FBA39D39E5633EDDFAB2B" xlink:to="loc_us-gaap_PreferredStockMember_26A349B931AA0AC31BFF5633EDE1B89F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_E06A6D962AAA0D8953435633EDE10301" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9DEEE93D770E892AD0995633EDD97470" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_E06A6D962AAA0D8953435633EDE10301" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_BFB0AB770A2BDE697CBD5633EDE1E869" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_E06A6D962AAA0D8953435633EDE10301" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_BFB0AB770A2BDE697CBD5633EDE1E869" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_7328B863A04B1A9396525633EDE29D1F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_BFB0AB770A2BDE697CBD5633EDE1E869" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_7328B863A04B1A9396525633EDE29D1F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_9334108428C0DF190BAD5633EDE2555E" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_BFB0AB770A2BDE697CBD5633EDE1E869" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_9334108428C0DF190BAD5633EDE2555E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_A3936A83C9223AD9DBA75633EDE24D19" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_BFB0AB770A2BDE697CBD5633EDE1E869" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_A3936A83C9223AD9DBA75633EDE24D19" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2219CCC87B80925263B95633EDE2305A" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9DEEE93D770E892AD0995633EDD97470" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2219CCC87B80925263B95633EDE2305A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_AEB93327428FE19465C45633EDE271AC" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2219CCC87B80925263B95633EDE2305A" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_AEB93327428FE19465C45633EDE271AC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNi" xlink:label="loc_us-gaap_EquitySecuritiesFvNi_8681D0E2EC977D2E93D75633EDE33E97" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2219CCC87B80925263B95633EDE2305A" xlink:to="loc_us-gaap_EquitySecuritiesFvNi_8681D0E2EC977D2E93D75633EDE33E97" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TradingSecurities" xlink:label="loc_us-gaap_TradingSecurities_085A8E4EAE0774EB59445633EDE384F2" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2219CCC87B80925263B95633EDE2305A" xlink:to="loc_us-gaap_TradingSecurities_085A8E4EAE0774EB59445633EDE384F2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_9A070F3C668ADB91CA6C5633EDE307E6" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2219CCC87B80925263B95633EDE2305A" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_9A070F3C668ADB91CA6C5633EDE307E6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue" xlink:label="loc_us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue_249173CEAD9679174C315633EDE337B3" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2219CCC87B80925263B95633EDE2305A" xlink:to="loc_us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue_249173CEAD9679174C315633EDE337B3" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/FairValueMeasurementsSummarizeChangesInLevel3AssetsAndLiabilitiesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_8D294001A12B3920727E5AA23EC5AE52" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_413D5B1C6D5EEE53F40B5AA23ECB5950" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_8D294001A12B3920727E5AA23EC5AE52" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_413D5B1C6D5EEE53F40B5AA23ECB5950" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_F30172BC8FE47B2A216D5AA23ECB09C8" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_413D5B1C6D5EEE53F40B5AA23ECB5950" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_F30172BC8FE47B2A216D5AA23ECB09C8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_C9AE029BDF6DD6ED9E6E5AA23ECB8EF6" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_F30172BC8FE47B2A216D5AA23ECB09C8" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_C9AE029BDF6DD6ED9E6E5AA23ECB8EF6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_ABF17A2B28B85C4F26125AA23ECC06E9" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_C9AE029BDF6DD6ED9E6E5AA23ECB8EF6" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_ABF17A2B28B85C4F26125AA23ECC06E9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_715B5C7F45010D16A27E5AA23ECCB077" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_413D5B1C6D5EEE53F40B5AA23ECB5950" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_715B5C7F45010D16A27E5AA23ECCB077" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_30E0FB279EA4E16E79725AA23ECC9395" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_715B5C7F45010D16A27E5AA23ECCB077" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_30E0FB279EA4E16E79725AA23ECC9395" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_5667052D4A0DB4111C515AA23ECDA7D3" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_30E0FB279EA4E16E79725AA23ECC9395" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_5667052D4A0DB4111C515AA23ECDA7D3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesMember" xlink:label="loc_us-gaap_DebtSecuritiesMember_AD91AB5FABF98573210F5AA23ECD4823" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_30E0FB279EA4E16E79725AA23ECC9395" xlink:to="loc_us-gaap_DebtSecuritiesMember_AD91AB5FABF98573210F5AA23ECD4823" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_25E60657F595B098B4BB5AA23ECD9D78" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_30E0FB279EA4E16E79725AA23ECC9395" xlink:to="loc_us-gaap_CommonStockMember_25E60657F595B098B4BB5AA23ECD9D78" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockMember" xlink:label="loc_us-gaap_PreferredStockMember_2622EA3B223450008A515AA23ECDCBED" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_30E0FB279EA4E16E79725AA23ECC9395" xlink:to="loc_us-gaap_PreferredStockMember_2622EA3B223450008A515AA23ECDCBED" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember_2C289913AF9C7F73C4B55AA23ECEA765" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_30E0FB279EA4E16E79725AA23ECC9395" xlink:to="loc_us-gaap_EquitySecuritiesMember_2C289913AF9C7F73C4B55AA23ECEA765" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="loc_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_1A653A138DE780FEC7805AA23ECE79B2" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_30E0FB279EA4E16E79725AA23ECC9395" xlink:to="loc_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_1A653A138DE780FEC7805AA23ECE79B2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_64E1ABE293A3C637C1C95AA23ECEF0EA" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_413D5B1C6D5EEE53F40B5AA23ECB5950" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_64E1ABE293A3C637C1C95AA23ECEF0EA" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_FairValueMeasurementWithUnobservableInputsReconciliationEquityTransfersIntoLevel3Number" xlink:label="loc_wrb_FairValueMeasurementWithUnobservableInputsReconciliationEquityTransfersIntoLevel3Number_A5D94CF4C23024202CF35AA23ECE1343" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_64E1ABE293A3C637C1C95AA23ECEF0EA" xlink:to="loc_wrb_FairValueMeasurementWithUnobservableInputsReconciliationEquityTransfersIntoLevel3Number_A5D94CF4C23024202CF35AA23ECE1343" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_FairValueMeasurementWithUnobservableInputsReconciliationEquityTransfersOutOfLevel3Number" xlink:label="loc_wrb_FairValueMeasurementWithUnobservableInputsReconciliationEquityTransfersOutOfLevel3Number_26AD3BA802E58951E9095AA23ECF46B8" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_64E1ABE293A3C637C1C95AA23ECEF0EA" xlink:to="loc_wrb_FairValueMeasurementWithUnobservableInputsReconciliationEquityTransfersOutOfLevel3Number_26AD3BA802E58951E9095AA23ECF46B8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_BEC70C0E502E73EDF00E5AA23ECF2889" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_64E1ABE293A3C637C1C95AA23ECEF0EA" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_BEC70C0E502E73EDF00E5AA23ECF2889" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_3086477D2EFDD78AAE185AA23ECFEF56" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_BEC70C0E502E73EDF00E5AA23ECF2889" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_3086477D2EFDD78AAE185AA23ECFEF56" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_C9DF4D5E1EE22383E6825AA23ECF3F73" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_BEC70C0E502E73EDF00E5AA23ECF2889" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_C9DF4D5E1EE22383E6825AA23ECF3F73" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_3433FB89E731C183ED7F5AA23ECF5A8D" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_BEC70C0E502E73EDF00E5AA23ECF2889" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_3433FB89E731C183ED7F5AA23ECF5A8D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_28AC3DBE6F9331AF39455AA23ED02B52" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_BEC70C0E502E73EDF00E5AA23ECF2889" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_28AC3DBE6F9331AF39455AA23ED02B52" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_EB039A99BE8A70360D365AA23ED0CE12" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_BEC70C0E502E73EDF00E5AA23ECF2889" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_EB039A99BE8A70360D365AA23ED0CE12" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_A4C0945AA4F679FFB6C45AA23ED08C59" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_BEC70C0E502E73EDF00E5AA23ECF2889" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_A4C0945AA4F679FFB6C45AA23ED08C59" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_9C27B8CBA0ECE0C0ABD25AA23ED009CB" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_BEC70C0E502E73EDF00E5AA23ECF2889" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_9C27B8CBA0ECE0C0ABD25AA23ED009CB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_CBED98339D9C95F4A9795AA23ED0928E" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_BEC70C0E502E73EDF00E5AA23ECF2889" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_CBED98339D9C95F4A9795AA23ED0928E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_373CA0DED6890827C2E95AA23ED1AD91" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_BEC70C0E502E73EDF00E5AA23ECF2889" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_373CA0DED6890827C2E95AA23ED1AD91" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_705BDFEF728712BB904C5AA23ED1EBA3" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_64E1ABE293A3C637C1C95AA23ECEF0EA" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_705BDFEF728712BB904C5AA23ED1EBA3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_F83955BAE4629C9ED4CF5AA23ED11B10" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_705BDFEF728712BB904C5AA23ED1EBA3" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_F83955BAE4629C9ED4CF5AA23ED11B10" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_2439CBBB5EBF241FE12B5AA23ED2FB0F" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_705BDFEF728712BB904C5AA23ED1EBA3" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_2439CBBB5EBF241FE12B5AA23ED2FB0F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome_38F136510A82804F3DCC5AA23ED27C72" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_705BDFEF728712BB904C5AA23ED1EBA3" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome_38F136510A82804F3DCC5AA23ED27C72" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_FairValueImpairmentofIntangibleAssetsExcludingGoodwill" xlink:label="loc_wrb_FairValueImpairmentofIntangibleAssetsExcludingGoodwill_84F80727BA19A43139A55AA23ED25E83" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_705BDFEF728712BB904C5AA23ED1EBA3" xlink:to="loc_wrb_FairValueImpairmentofIntangibleAssetsExcludingGoodwill_84F80727BA19A43139A55AA23ED25E83" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases_E58E1EB9E4BEDCF32AD55AA23ED2CB21" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_705BDFEF728712BB904C5AA23ED1EBA3" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases_E58E1EB9E4BEDCF32AD55AA23ED2CB21" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales_B46F98ED6AD1E76A3F395AA23ED31D61" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_705BDFEF728712BB904C5AA23ED1EBA3" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales_B46F98ED6AD1E76A3F395AA23ED31D61" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements_82A8F82CE695D7BE6BFE5AA23ED3305A" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_705BDFEF728712BB904C5AA23ED1EBA3" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements_82A8F82CE695D7BE6BFE5AA23ED3305A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3_B50AD97791F686639B745AA23ED3760B" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_705BDFEF728712BB904C5AA23ED1EBA3" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3_B50AD97791F686639B745AA23ED3760B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_15C60EF499FD769B852B5AA23ED432C2" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_705BDFEF728712BB904C5AA23ED1EBA3" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_15C60EF499FD769B852B5AA23ED432C2" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/FairValueMeasurementsTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_DC3D6E9EDF8421D5D1BBEBC168D2842B" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_F3E0C5547DE14675DEE9EBC168D362BD" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_DC3D6E9EDF8421D5D1BBEBC168D2842B" xlink:to="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_F3E0C5547DE14675DEE9EBC168D362BD" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_FairValueAssetsandLiabilitiesMeasuredonRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:label="loc_wrb_FairValueAssetsandLiabilitiesMeasuredonRecurringBasisUnobservableInputReconciliationTableTextBlock_D1C9AD75FC607E4EA0A1EBC168D3149F" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_DC3D6E9EDF8421D5D1BBEBC168D2842B" xlink:to="loc_wrb_FairValueAssetsandLiabilitiesMeasuredonRecurringBasisUnobservableInputReconciliationTableTextBlock_D1C9AD75FC607E4EA0A1EBC168D3149F" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/FairValueOfFinancialInstruments" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_6F6164E1EC13273C96AAEBC16A8E545C" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_A3BA297709E60825F4E3EBC16A8FCE4D" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_6F6164E1EC13273C96AAEBC16A8E545C" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_A3BA297709E60825F4E3EBC16A8FCE4D" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/FairValueOfFinancialInstrumentsCarryingAmountsAndEstimatedFairValuesOfFinancialInstrumentsDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_06C30CACD1C72D1414CC55816353A0ED" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_C048C9D0C709BDE05EBE55816353375C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_06C30CACD1C72D1414CC55816353A0ED" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_C048C9D0C709BDE05EBE55816353375C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_0918FF0B1A132C5CBCC4558163552B5E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_C048C9D0C709BDE05EBE55816353375C" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_0918FF0B1A132C5CBCC4558163552B5E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_26B461358525AFD6660C5581635524BC" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_0918FF0B1A132C5CBCC4558163552B5E" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_26B461358525AFD6660C5581635524BC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_DA8AB924EB40A05E0625558163558E01" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_26B461358525AFD6660C5581635524BC" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_DA8AB924EB40A05E0625558163558E01" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_5F203EE73F46F7B69B7E558163563BDC" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_26B461358525AFD6660C5581635524BC" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_5F203EE73F46F7B69B7E558163563BDC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_E5AFFC6598E0043D829655816356EDEE" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_26B461358525AFD6660C5581635524BC" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_E5AFFC6598E0043D829655816356EDEE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_1FDD4EC187F5ECA23EF755816356C894" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_C048C9D0C709BDE05EBE55816353375C" xlink:to="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_1FDD4EC187F5ECA23EF755816356C894" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_99EAB104255CBB2843D355816356F82A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_1FDD4EC187F5ECA23EF755816356C894" xlink:to="loc_us-gaap_AssetsAbstract_99EAB104255CBB2843D355816356F82A" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MarketableSecuritiesFairValueDisclosure" xlink:label="loc_wrb_MarketableSecuritiesFairValueDisclosure_A7522D873AF234AEABDB55816356A2EB" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_99EAB104255CBB2843D355816356F82A" xlink:to="loc_wrb_MarketableSecuritiesFairValueDisclosure_A7522D873AF234AEABDB55816356A2EB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_77FB47532D57F655EA0B558163578DC6" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_99EAB104255CBB2843D355816356F82A" xlink:to="loc_us-gaap_AvailableForSaleSecurities_77FB47532D57F655EA0B558163578DC6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TradingSecurities" xlink:label="loc_us-gaap_TradingSecurities_80F87DEABB37992B9E35558163577882" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_99EAB104255CBB2843D355816356F82A" xlink:to="loc_us-gaap_TradingSecurities_80F87DEABB37992B9E35558163577882" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansReceivableFairValueDisclosure" xlink:label="loc_us-gaap_LoansReceivableFairValueDisclosure_52925473D4CE4BA5CDAB55816357A66A" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_99EAB104255CBB2843D355816356F82A" xlink:to="loc_us-gaap_LoansReceivableFairValueDisclosure_52925473D4CE4BA5CDAB55816357A66A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_BFDA13675E4AEA9D7EF855816357CCF3" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_99EAB104255CBB2843D355816356F82A" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_BFDA13675E4AEA9D7EF855816357CCF3" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_TradingAccountsReceivableFromBrokersFairValueDisclosure" xlink:label="loc_wrb_TradingAccountsReceivableFromBrokersFairValueDisclosure_011C5621B5F35B6ADAC4558163587749" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_99EAB104255CBB2843D355816356F82A" xlink:to="loc_wrb_TradingAccountsReceivableFromBrokersFairValueDisclosure_011C5621B5F35B6ADAC4558163587749" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_us-gaap_LiabilitiesAbstract_95E919BD69755C80433455816358C839" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_1FDD4EC187F5ECA23EF755816356C894" xlink:to="loc_us-gaap_LiabilitiesAbstract_95E919BD69755C80433455816358C839" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DueToBroker" xlink:label="loc_wrb_DueToBroker_FB1B95E4E838086EB21B55816358CDFA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_95E919BD69755C80433455816358C839" xlink:to="loc_wrb_DueToBroker_FB1B95E4E838086EB21B55816358CDFA" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DueToBrokerFairValue" xlink:label="loc_wrb_DueToBrokerFairValue_A3F28DE27FBC1C31FF4D558163589467" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_95E919BD69755C80433455816358C839" xlink:to="loc_wrb_DueToBrokerFairValue_A3F28DE27FBC1C31FF4D558163589467" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TradingLiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_TradingLiabilitiesFairValueDisclosure_D2C0ACDF41DC8A48324255816358D417" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_95E919BD69755C80433455816358C839" xlink:to="loc_us-gaap_TradingLiabilitiesFairValueDisclosure_D2C0ACDF41DC8A48324255816358D417" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="loc_us-gaap_LongTermDebtFairValue_FB5B67B36CD324DE914355816359C445" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_95E919BD69755C80433455816358C839" xlink:to="loc_us-gaap_LongTermDebtFairValue_FB5B67B36CD324DE914355816359C445" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations_70681554613FC5E7287355816359E2F8" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_95E919BD69755C80433455816358C839" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations_70681554613FC5E7287355816359E2F8" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/FairValueOfFinancialInstrumentsTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_E19DB8FD9F1FA68AB8BCEBC16B88479D" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_B0D60E13B39FD471BBA1EBC16B88F940" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_E19DB8FD9F1FA68AB8BCEBC16B88479D" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_B0D60E13B39FD471BBA1EBC16B88F940" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/IncomeTaxes" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_7383F28C6AC571160641EBC169C79458" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_E742E71C1E982D36970AEBC169C76359" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_7383F28C6AC571160641EBC169C79458" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_E742E71C1E982D36970AEBC169C76359" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_DC9447A034651EEE88815581639DA9FD" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves_A36745D3C6D9E68ED4755581639EC23A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_DC9447A034651EEE88815581639DA9FD" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves_A36745D3C6D9E68ED4755581639EC23A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UndistributedEarningsOfForeignSubsidiaries" xlink:label="loc_us-gaap_UndistributedEarningsOfForeignSubsidiaries_C7F3E1386881EF2DAE125581639E67D1" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_DC9447A034651EEE88815581639DA9FD" xlink:to="loc_us-gaap_UndistributedEarningsOfForeignSubsidiaries_C7F3E1386881EF2DAE125581639E67D1" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseBenefitDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_84F3257726C28AE3FF08EBC1698E738B" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_790E769961779D66963AEBC1698E2709" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_84F3257726C28AE3FF08EBC1698E738B" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_790E769961779D66963AEBC1698E2709" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_317752EC851484F4645CEBC1698F25B6" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_84F3257726C28AE3FF08EBC1698E738B" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_317752EC851484F4645CEBC1698F25B6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations" xlink:label="loc_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_39C4D8B90739277E8A70EBC1698F21A2" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_84F3257726C28AE3FF08EBC1698E738B" xlink:to="loc_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_39C4D8B90739277E8A70EBC1698F21A2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_F815FCFB94D13E298B96EBC1698F4832" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_84F3257726C28AE3FF08EBC1698E738B" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_F815FCFB94D13E298B96EBC1698F4832" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_7796CC93C3617C51FD42EBC1698F5C39" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_84F3257726C28AE3FF08EBC1698E738B" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_7796CC93C3617C51FD42EBC1698F5C39" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations" xlink:label="loc_us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations_8A029E5FAE1C34B4505BEBC1698F0C1E" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_84F3257726C28AE3FF08EBC1698E738B" xlink:to="loc_us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations_8A029E5FAE1C34B4505BEBC1698F0C1E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_D4E90FF4FDE364203382EBC16990399F" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_84F3257726C28AE3FF08EBC1698E738B" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_D4E90FF4FDE364203382EBC16990399F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_40DC006CC2D57D44DAADEBC16990E855" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_84F3257726C28AE3FF08EBC1698E738B" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_40DC006CC2D57D44DAADEBC16990E855" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_594CE19188026757CCF8EBC16990BB39" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_84F3257726C28AE3FF08EBC1698E738B" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_594CE19188026757CCF8EBC16990BB39" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_C9886CB52FC4AA76B917EBC16990EA06" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_84F3257726C28AE3FF08EBC1698E738B" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_C9886CB52FC4AA76B917EBC16990EA06" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_BAEFA4C8E1808E1EE300EBC169900B7A" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_84F3257726C28AE3FF08EBC1698E738B" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_BAEFA4C8E1808E1EE300EBC169900B7A" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/IncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_2F5E25B7D89F22FA9034570BF2E45C8D" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsNetAbstract" xlink:label="loc_us-gaap_DeferredTaxAssetsNetAbstract_485892042F9929D2B5A5570BF2E47D91" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_2F5E25B7D89F22FA9034570BF2E45C8D" xlink:to="loc_us-gaap_DeferredTaxAssetsNetAbstract_485892042F9929D2B5A5570BF2E47D91" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves_EE38CD915E3594156546570BF2E477CB" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_485892042F9929D2B5A5570BF2E47D91" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves_EE38CD915E3594156546570BF2E477CB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve_7804C1A42480A753CFA8570BF2E43DED" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_485892042F9929D2B5A5570BF2E47D91" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve_7804C1A42480A753CFA8570BF2E43DED" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_F0846B127F11EF0C1202570BF2E43807" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_485892042F9929D2B5A5570BF2E47D91" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_F0846B127F11EF0C1202570BF2E43807" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses_1FE2B8D9C905959D0603570BF2E44A1D" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_485892042F9929D2B5A5570BF2E47D91" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses_1FE2B8D9C905959D0603570BF2E44A1D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_B0E1FB6C4B54189D82ED570BF2E40FA1" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_485892042F9929D2B5A5570BF2E47D91" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_B0E1FB6C4B54189D82ED570BF2E40FA1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_43D6B4F368D738500B44570BF2E43150" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_485892042F9929D2B5A5570BF2E47D91" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_43D6B4F368D738500B44570BF2E43150" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_04CE090636C729A51865570BF2E4C308" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_485892042F9929D2B5A5570BF2E47D91" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_04CE090636C729A51865570BF2E4C308" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_A1CED737F5466ABB208F570BF2E4B399" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_485892042F9929D2B5A5570BF2E47D91" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_A1CED737F5466ABB208F570BF2E4B399" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_3E90DFC0F6617B698332570BF2E406A5" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_485892042F9929D2B5A5570BF2E47D91" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_3E90DFC0F6617B698332570BF2E406A5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesAbstract" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesAbstract_F7C4716E288C0BD7FFA5570BF2E480D9" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_2F5E25B7D89F22FA9034570BF2E45C8D" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesAbstract_F7C4716E288C0BD7FFA5570BF2E480D9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_F6EFBD3237138E00DEE2570BF2E42822" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesAbstract_F7C4716E288C0BD7FFA5570BF2E480D9" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_F6EFBD3237138E00DEE2570BF2E42822" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_TaxCutsandJobsActIncompleteAccountingDeferredTaxLiabilitiesProvisionalUndistributedForeignEarnings" xlink:label="loc_wrb_TaxCutsandJobsActIncompleteAccountingDeferredTaxLiabilitiesProvisionalUndistributedForeignEarnings_859922782C1B1693267E570BF2E4F61E" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesAbstract_F7C4716E288C0BD7FFA5570BF2E480D9" xlink:to="loc_wrb_TaxCutsandJobsActIncompleteAccountingDeferredTaxLiabilitiesProvisionalUndistributedForeignEarnings_859922782C1B1693267E570BF2E4F61E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost_2976EC233F84BFBD28A5570BF2E4D0DC" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesAbstract_F7C4716E288C0BD7FFA5570BF2E480D9" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost_2976EC233F84BFBD28A5570BF2E4D0DC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities_89F22CD9DE71A37AA3BB570BF2E44D20" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesAbstract_F7C4716E288C0BD7FFA5570BF2E480D9" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities_89F22CD9DE71A37AA3BB570BF2E44D20" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_2DA97951217D9D49006D570BF2E8CAFE" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesAbstract_F7C4716E288C0BD7FFA5570BF2E480D9" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_2DA97951217D9D49006D570BF2E8CAFE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesInvestments" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesInvestments_C58525E242D5D5D0F6F4570BF2E87A35" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesAbstract_F7C4716E288C0BD7FFA5570BF2E480D9" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesInvestments_C58525E242D5D5D0F6F4570BF2E87A35" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_B394EAA314DEAE330CA3570BF2E8D182" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesAbstract_F7C4716E288C0BD7FFA5570BF2E480D9" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_B394EAA314DEAE330CA3570BF2E8D182" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_A70C69CB161266B96380570BF2E85382" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesAbstract_F7C4716E288C0BD7FFA5570BF2E480D9" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_A70C69CB161266B96380570BF2E85382" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="loc_us-gaap_DeferredTaxLiabilities_E4116B6241701A68E5B2570BF2E87B12" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_2F5E25B7D89F22FA9034570BF2E45C8D" xlink:to="loc_us-gaap_DeferredTaxLiabilities_E4116B6241701A68E5B2570BF2E87B12" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_9CC1999E3C8C716F3541570BF2E85285" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_2F5E25B7D89F22FA9034570BF2E45C8D" xlink:to="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_9CC1999E3C8C716F3541570BF2E85285" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable" xlink:label="loc_us-gaap_OperatingLossCarryforwardsTable_AB1263EE69F5F0A57C95570BF2E8F0CD" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_2F5E25B7D89F22FA9034570BF2E45C8D" xlink:to="loc_us-gaap_OperatingLossCarryforwardsTable_AB1263EE69F5F0A57C95570BF2E8F0CD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_A11E41D597F277D9C9CC570BF2E8C245" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_AB1263EE69F5F0A57C95570BF2E8F0CD" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_A11E41D597F277D9C9CC570BF2E8C245" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_98BDE8C17EEDB102CA4D570BF2E8A5FE" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_A11E41D597F277D9C9CC570BF2E8C245" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_98BDE8C17EEDB102CA4D570BF2E8A5FE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCountryMember" xlink:label="loc_us-gaap_ForeignCountryMember_9A114FFBD405CA0EC5F8570BF2E8BC1B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_98BDE8C17EEDB102CA4D570BF2E8A5FE" xlink:to="loc_us-gaap_ForeignCountryMember_9A114FFBD405CA0EC5F8570BF2E8BC1B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems" xlink:label="loc_us-gaap_OperatingLossCarryforwardsLineItems_6779FF571ABF16D71659570BF2E8B9C7" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_AB1263EE69F5F0A57C95570BF2E8F0CD" xlink:to="loc_us-gaap_OperatingLossCarryforwardsLineItems_6779FF571ABF16D71659570BF2E8B9C7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_C833356ADF5AFCB4D18A570BF2E85646" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_6779FF571ABF16D71659570BF2E8B9C7" xlink:to="loc_us-gaap_IncomeTaxesReceivable_C833356ADF5AFCB4D18A570BF2E85646" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TaxesPayableCurrentAndNoncurrent" xlink:label="loc_us-gaap_TaxesPayableCurrentAndNoncurrent_21F7F0BE8B30546C9DD6570BF2E8FCB3" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_6779FF571ABF16D71659570BF2E8B9C7" xlink:to="loc_us-gaap_TaxesPayableCurrentAndNoncurrent_21F7F0BE8B30546C9DD6570BF2E8FCB3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration_1674D7281552AC6B70D7570BF2E8CBC7" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_6779FF571ABF16D71659570BF2E8B9C7" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration_1674D7281552AC6B70D7570BF2E8CBC7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration_A341166215ADDA665F6B570BF2E81732" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_6779FF571ABF16D71659570BF2E8B9C7" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration_A341166215ADDA665F6B570BF2E81732" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TaxCreditCarryforwardValuationAllowance" xlink:label="loc_us-gaap_TaxCreditCarryforwardValuationAllowance_3CBC37A76FAC09C97907570BF2E87BB9" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_6779FF571ABF16D71659570BF2E8B9C7" xlink:to="loc_us-gaap_TaxCreditCarryforwardValuationAllowance_3CBC37A76FAC09C97907570BF2E87BB9" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_FDCEF21E8899D6130A94EBC16895F917" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_0B8316D860E55E18AE35EBC16895E0BA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_FDCEF21E8899D6130A94EBC16895F917" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_0B8316D860E55E18AE35EBC16895E0BA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_03532E0CE0B58F9DC491EBC168963E26" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_0B8316D860E55E18AE35EBC16895E0BA" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_03532E0CE0B58F9DC491EBC168963E26" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxExemptIncome" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxExemptIncome_4B1771B91121CC39D1A2EBC168969167" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_0B8316D860E55E18AE35EBC16895E0BA" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxExemptIncome_4B1771B91121CC39D1A2EBC168969167" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_1E919933723456AEF833EBC16896A200" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_0B8316D860E55E18AE35EBC16895E0BA" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_1E919933723456AEF833EBC16896A200" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_2E3F6C781C435B8BC63EEBC168966B7F" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_0B8316D860E55E18AE35EBC16895E0BA" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_2E3F6C781C435B8BC63EEBC168966B7F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_9E64F68EC853D8E266C1EBC1689789A0" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_0B8316D860E55E18AE35EBC16895E0BA" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_9E64F68EC853D8E266C1EBC1689789A0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_EC1DDA8B5630ED593A26EBC168973A83" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_0B8316D860E55E18AE35EBC16895E0BA" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_EC1DDA8B5630ED593A26EBC168973A83" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_DD346174B9145D0A5086EBC16897AA35" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_0B8316D860E55E18AE35EBC16895E0BA" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_DD346174B9145D0A5086EBC16897AA35" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_6900491D503F8148898FEBC168989014" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_0B8316D860E55E18AE35EBC16895E0BA" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_6900491D503F8148898FEBC168989014" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/IncomeTaxesTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_11AAE9B4D3E119928679EBC168A01270" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_CE00C6220FDA64CEE5CEEBC168A0823F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_11AAE9B4D3E119928679EBC168A01270" xlink:to="loc_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_CE00C6220FDA64CEE5CEEBC168A0823F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_70507B0C54B776890A6AEBC168A050D6" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_11AAE9B4D3E119928679EBC168A01270" xlink:to="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_70507B0C54B776890A6AEBC168A050D6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_B4B56E4D02D2907694DCEBC168A10126" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_11AAE9B4D3E119928679EBC168A01270" xlink:to="loc_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_B4B56E4D02D2907694DCEBC168A10126" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/Indebtedness" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_06A7F6F7AAF8955C5AF8EBC16A3CA97B" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="loc_us-gaap_DebtDisclosureTextBlock_4A4AB8F303B201CB8303EBC16A3C413D" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_06A7F6F7AAF8955C5AF8EBC16A3CA97B" xlink:to="loc_us-gaap_DebtDisclosureTextBlock_4A4AB8F303B201CB8303EBC16A3C413D" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/IndebtednessDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_807F5D2D37EB9202C7F5558163EC2F8A" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_5CB56C2741D34A1B8560558163EC14E4" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_807F5D2D37EB9202C7F5558163EC2F8A" xlink:to="loc_us-gaap_DebtInstrumentTable_5CB56C2741D34A1B8560558163EC14E4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_8FB3681EC6B6619C0310558163ECF301" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_5CB56C2741D34A1B8560558163EC14E4" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_8FB3681EC6B6619C0310558163ECF301" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_B56C89F30853AC672A0E558163ED22BA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_8FB3681EC6B6619C0310558163ECF301" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_B56C89F30853AC672A0E558163ED22BA" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SeniorNotesandOtherDebtMember" xlink:label="loc_wrb_SeniorNotesandOtherDebtMember_0AB0E692C11706BB62D6558163EDA729" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_B56C89F30853AC672A0E558163ED22BA" xlink:to="loc_wrb_SeniorNotesandOtherDebtMember_0AB0E692C11706BB62D6558163EDA729" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_7871B4CA2734A8EABB88558163ED75D6" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_SeniorNotesandOtherDebtMember_0AB0E692C11706BB62D6558163EDA729" xlink:to="loc_us-gaap_SeniorNotesMember_7871B4CA2734A8EABB88558163ED75D6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubordinatedDebtMember" xlink:label="loc_us-gaap_SubordinatedDebtMember_15E9CAD0A9DB809DCBF8558163EED371" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_B56C89F30853AC672A0E558163ED22BA" xlink:to="loc_us-gaap_SubordinatedDebtMember_15E9CAD0A9DB809DCBF8558163EED371" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_1975F52FDBE318BEAC3E558163EE9439" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_B56C89F30853AC672A0E558163ED22BA" xlink:to="loc_us-gaap_SecuredDebtMember_1975F52FDBE318BEAC3E558163EE9439" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_4C97AB29C2C0F69CF8EB558163EEAC8E" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_5CB56C2741D34A1B8560558163EC14E4" xlink:to="loc_us-gaap_DebtInstrumentAxis_4C97AB29C2C0F69CF8EB558163EEAC8E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_4C97AB29C2C0F69CF8EB558163EEAC8E" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SeniorNotesDueAugust152019Member" xlink:label="loc_wrb_SeniorNotesDueAugust152019Member_F53DA940AE44EEED4270558163EEE0E7" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:to="loc_wrb_SeniorNotesDueAugust152019Member_F53DA940AE44EEED4270558163EEE0E7" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SeniorNotesDueSeptember152019Member" xlink:label="loc_wrb_SeniorNotesDueSeptember152019Member_0DD1CB20517F033149F7558163EFF392" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:to="loc_wrb_SeniorNotesDueSeptember152019Member_0DD1CB20517F033149F7558163EFF392" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SeniorNotesDueSeptember132020Member" xlink:label="loc_wrb_SeniorNotesDueSeptember132020Member_D3FCB2B533338925D7F5558163EFA3CA" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:to="loc_wrb_SeniorNotesDueSeptember132020Member_D3FCB2B533338925D7F5558163EFA3CA" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SeniorNotesDueJanuary12022Member" xlink:label="loc_wrb_SeniorNotesDueJanuary12022Member_3E1C9F2BA2D41D5C964D558163EFB354" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:to="loc_wrb_SeniorNotesDueJanuary12022Member_3E1C9F2BA2D41D5C964D558163EFB354" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SeniorNotesDueMaarch152022Member" xlink:label="loc_wrb_SeniorNotesDueMaarch152022Member_19CBA4301C2732150A49558163EFBF54" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:to="loc_wrb_SeniorNotesDueMaarch152022Member_19CBA4301C2732150A49558163EFBF54" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SeniorNotesDueFebruary152037Member" xlink:label="loc_wrb_SeniorNotesDueFebruary152037Member_F985FFDBE4A8FEA85557558163F08ACE" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:to="loc_wrb_SeniorNotesDueFebruary152037Member_F985FFDBE4A8FEA85557558163F08ACE" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SeniorNotesdueAugust12044Member" xlink:label="loc_wrb_SeniorNotesdueAugust12044Member_7558F5B16EFFFFE50FCB558163F057EF" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:to="loc_wrb_SeniorNotesdueAugust12044Member_7558F5B16EFFFFE50FCB558163F057EF" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SubsidiaryDebtMember" xlink:label="loc_wrb_SubsidiaryDebtMember_151F1E48231ECC65EDB3558163F0F8F7" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:to="loc_wrb_SubsidiaryDebtMember_151F1E48231ECC65EDB3558163F0F8F7" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SubordinatedDebenturedueApril302053Member" xlink:label="loc_wrb_SubordinatedDebenturedueApril302053Member_A3A31DA9961D3261754A558163F0DC89" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:to="loc_wrb_SubordinatedDebenturedueApril302053Member_A3A31DA9961D3261754A558163F0DC89" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SubordinatedDebenturedueMarch12056Member" xlink:label="loc_wrb_SubordinatedDebenturedueMarch12056Member_D8CEA04736D332BC0610558163F075E8" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:to="loc_wrb_SubordinatedDebenturedueMarch12056Member_D8CEA04736D332BC0610558163F075E8" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SubordinatedDebenturedueJune12056Member" xlink:label="loc_wrb_SubordinatedDebenturedueJune12056Member_D50316E8CCD28C6F496E558163F010D2" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:to="loc_wrb_SubordinatedDebenturedueJune12056Member_D50316E8CCD28C6F496E558163F010D2" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SubordinatedDebtDueMarch302058Member" xlink:label="loc_wrb_SubordinatedDebtDueMarch302058Member_13A72F04C19AECFC4C27558163F10DB1" xlink:type="locator"/>
<link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:to="loc_wrb_SubordinatedDebtDueMarch302058Member_13A72F04C19AECFC4C27558163F10DB1" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SubordinatedDebtDueDecember302059Member" xlink:label="loc_wrb_SubordinatedDebtDueDecember302059Member_C1D14A3A336D52C0A7EF55C444540768" xlink:type="locator"/>
<link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C35B292A52695383C8C3558163EE28A8" xlink:to="loc_wrb_SubordinatedDebtDueDecember302059Member_C1D14A3A336D52C0A7EF55C444540768" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_A30AD99EF17230DABDEC558163F175BE" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_5CB56C2741D34A1B8560558163EC14E4" xlink:to="loc_us-gaap_DebtInstrumentLineItems_A30AD99EF17230DABDEC558163F175BE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_619AD163A92A04958727558163F1C18F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A30AD99EF17230DABDEC558163F175BE" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_619AD163A92A04958727558163F1C18F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_89DEF699E41BDB73AE47558163F1EAB3" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A30AD99EF17230DABDEC558163F175BE" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_89DEF699E41BDB73AE47558163F1EAB3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_1EF1FFAD6E07A534794D558163F14E29" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A30AD99EF17230DABDEC558163F175BE" xlink:to="loc_us-gaap_LongTermDebt_1EF1FFAD6E07A534794D558163F14E29" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_AC1C019F4F507954F205558163F26B3C" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A30AD99EF17230DABDEC558163F175BE" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_AC1C019F4F507954F205558163F26B3C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_95C01418FC50F3DAD659558163F24B82" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A30AD99EF17230DABDEC558163F175BE" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_95C01418FC50F3DAD659558163F24B82" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LongtermDebtMaturitiesRepaymentsofPrincipalafterYearThree" xlink:label="loc_wrb_LongtermDebtMaturitiesRepaymentsofPrincipalafterYearThree_954BFE3897FEA3EABD2B558163F2B70A" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A30AD99EF17230DABDEC558163F175BE" xlink:to="loc_wrb_LongtermDebtMaturitiesRepaymentsofPrincipalafterYearThree_954BFE3897FEA3EABD2B558163F2B70A" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/IndebtednessTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_F34D35E187C1303A2EB1EBC168CF1963" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDebtTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfDebtTableTextBlock_75439A520D3916FDC66DEBC168CFA3C5" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_F34D35E187C1303A2EB1EBC168CF1963" xlink:to="loc_us-gaap_ScheduleOfDebtTableTextBlock_75439A520D3916FDC66DEBC168CFA3C5" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/IndustrySegments" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_3BEB2E76C2E5A3DB4733EBC169E6D3FF" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_9D5B67FBC5BFA4834164EBC169E74FBB" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_3BEB2E76C2E5A3DB4733EBC169E6D3FF" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_9D5B67FBC5BFA4834164EBC169E74FBB" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/IndustrySegmentsFinancialInformationOfCompanyOperatingSegmentsDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_7BEFAD7B4BFEA7F8C584558162713915" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_670B0580D9AA02D992B655816271B5C2" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_7BEFAD7B4BFEA7F8C584558162713915" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_670B0580D9AA02D992B655816271B5C2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_89E2A5B101191C869F2955816272EF00" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_670B0580D9AA02D992B655816271B5C2" xlink:to="loc_srt_ConsolidationItemsAxis_89E2A5B101191C869F2955816272EF00" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_DA690228556F15D55E7F55816272EE18" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_89E2A5B101191C869F2955816272EF00" xlink:to="loc_srt_ConsolidationItemsDomain_DA690228556F15D55E7F55816272EE18" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_F2772DEA6E6D096694AF558162721FD2" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_DA690228556F15D55E7F55816272EE18" xlink:to="loc_us-gaap_OperatingSegmentsMember_F2772DEA6E6D096694AF558162721FD2" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CorporateReconcilingItemsAndEliminationsMember" xlink:label="loc_wrb_CorporateReconcilingItemsAndEliminationsMember_F0EF7F001541366DAF1D558162735DB0" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_DA690228556F15D55E7F55816272EE18" xlink:to="loc_wrb_CorporateReconcilingItemsAndEliminationsMember_F0EF7F001541366DAF1D558162735DB0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_0AF87A29D1ADFCF51F1B5581627393E2" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_670B0580D9AA02D992B655816271B5C2" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_0AF87A29D1ADFCF51F1B5581627393E2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_630E70C1B171BF8163A155816273D92B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_0AF87A29D1ADFCF51F1B5581627393E2" xlink:to="loc_us-gaap_SegmentDomain_630E70C1B171BF8163A155816273D92B" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_InsuranceDomesticSegmentMember" xlink:label="loc_wrb_InsuranceDomesticSegmentMember_12BFDF132DAD228905FA55816273F01C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_630E70C1B171BF8163A155816273D92B" xlink:to="loc_wrb_InsuranceDomesticSegmentMember_12BFDF132DAD228905FA55816273F01C" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReinsuranceandMonolineExcessSegmentMember" xlink:label="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_C5A957AC5529B902476655816274874E" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_630E70C1B171BF8163A155816273D92B" xlink:to="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_C5A957AC5529B902476655816274874E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_8ED826D261D4A432EF3D55816274CA70" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_670B0580D9AA02D992B655816271B5C2" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_8ED826D261D4A432EF3D55816274CA70" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_558AF4DBEE7C2ECB92AE55816274EFCB" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8ED826D261D4A432EF3D55816274CA70" xlink:to="loc_us-gaap_NumberOfReportableSegments_558AF4DBEE7C2ECB92AE55816274EFCB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsEarnedNet" xlink:label="loc_us-gaap_PremiumsEarnedNet_A0B6ED67E5DDB24223BB55816274E4B2" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8ED826D261D4A432EF3D55816274CA70" xlink:to="loc_us-gaap_PremiumsEarnedNet_A0B6ED67E5DDB24223BB55816274E4B2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetInvestmentIncome" xlink:label="loc_us-gaap_NetInvestmentIncome_401D4DBEDCEBA3D79D1E5581627414F6" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8ED826D261D4A432EF3D55816274CA70" xlink:to="loc_us-gaap_NetInvestmentIncome_401D4DBEDCEBA3D79D1E5581627414F6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="loc_us-gaap_GainLossOnInvestments_885DAFF2E9B431C455C1558162759B9D" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8ED826D261D4A432EF3D55816274CA70" xlink:to="loc_us-gaap_GainLossOnInvestments_885DAFF2E9B431C455C1558162759B9D" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_OtherRevenues" xlink:label="loc_wrb_OtherRevenues_81036350928616C9FEFB55816275B1B1" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8ED826D261D4A432EF3D55816274CA70" xlink:to="loc_wrb_OtherRevenues_81036350928616C9FEFB55816275B1B1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_811A079BC2CDA04CA1835581627571BD" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8ED826D261D4A432EF3D55816274CA70" xlink:to="loc_us-gaap_Revenues_811A079BC2CDA04CA1835581627571BD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_A3F170CE8D9FFB7CF8375581627518DA" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8ED826D261D4A432EF3D55816274CA70" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_A3F170CE8D9FFB7CF8375581627518DA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromSubsidiariesNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromSubsidiariesNetOfTax_24E6B552051DA07D8AAE5581627549A1" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8ED826D261D4A432EF3D55816274CA70" xlink:to="loc_us-gaap_IncomeLossFromSubsidiariesNetOfTax_24E6B552051DA07D8AAE5581627549A1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_2DCCBB458C28A3121E5655816275CBCF" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8ED826D261D4A432EF3D55816274CA70" xlink:to="loc_us-gaap_NetIncomeLoss_2DCCBB458C28A3121E5655816275CBCF" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/IndustrySegmentsIdentifiableAssetsBySegmentDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_A9C4CF3A3639F627B8615581625CD079" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable" xlink:label="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_A717C70F1345A6CCB1D65581625CC98B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_A9C4CF3A3639F627B8615581625CD079" xlink:to="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_A717C70F1345A6CCB1D65581625CC98B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_1EC3A2D6A05F6CA0476F5581625DB97A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_A717C70F1345A6CCB1D65581625CC98B" xlink:to="loc_srt_ConsolidationItemsAxis_1EC3A2D6A05F6CA0476F5581625DB97A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_8641996FCFEE75844F535581625D5429" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_1EC3A2D6A05F6CA0476F5581625DB97A" xlink:to="loc_srt_ConsolidationItemsDomain_8641996FCFEE75844F535581625D5429" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_17833AD051BD79D39CA85581625DF8E7" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_8641996FCFEE75844F535581625D5429" xlink:to="loc_us-gaap_OperatingSegmentsMember_17833AD051BD79D39CA85581625DF8E7" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CorporateReconcilingItemsAndEliminationsMember" xlink:label="loc_wrb_CorporateReconcilingItemsAndEliminationsMember_6DC3C50CAF54C58B6E875581625D5692" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_8641996FCFEE75844F535581625D5429" xlink:to="loc_wrb_CorporateReconcilingItemsAndEliminationsMember_6DC3C50CAF54C58B6E875581625D5692" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_EC1EC66DA14F7BF904DC5581625E993C" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_A717C70F1345A6CCB1D65581625CC98B" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_EC1EC66DA14F7BF904DC5581625E993C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_2705F259422D1834056F5581625E78ED" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_EC1EC66DA14F7BF904DC5581625E993C" xlink:to="loc_us-gaap_SegmentDomain_2705F259422D1834056F5581625E78ED" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_InsuranceDomesticSegmentMember" xlink:label="loc_wrb_InsuranceDomesticSegmentMember_99E29BA805AA86E2D9B95581625E3465" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_2705F259422D1834056F5581625E78ED" xlink:to="loc_wrb_InsuranceDomesticSegmentMember_99E29BA805AA86E2D9B95581625E3465" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReinsuranceandMonolineExcessSegmentMember" xlink:label="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_F3ACDC26D961ACFBEC6D5581625E617C" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_2705F259422D1834056F5581625E78ED" xlink:to="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_F3ACDC26D961ACFBEC6D5581625E617C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_srt_StatementGeographicalAxis_037CDC9BF4C7FD9497E45581625E6C69" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_A717C70F1345A6CCB1D65581625CC98B" xlink:to="loc_srt_StatementGeographicalAxis_037CDC9BF4C7FD9497E45581625E6C69" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_0EDCB546F82D7E156387558162640DBC" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_StatementGeographicalAxis_037CDC9BF4C7FD9497E45581625E6C69" xlink:to="loc_srt_SegmentGeographicalDomain_0EDCB546F82D7E156387558162640DBC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonUsMember" xlink:label="loc_us-gaap_NonUsMember_11008CB958C621ADBB8C55816264CF9C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_0EDCB546F82D7E156387558162640DBC" xlink:to="loc_us-gaap_NonUsMember_11008CB958C621ADBB8C55816264CF9C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAssetReconcilingItemLineItems" xlink:label="loc_us-gaap_SegmentReportingAssetReconcilingItemLineItems_4406BA49757F1CA368E755816264E2C7" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_A717C70F1345A6CCB1D65581625CC98B" xlink:to="loc_us-gaap_SegmentReportingAssetReconcilingItemLineItems_4406BA49757F1CA368E755816264E2C7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_74B56B2CD530539AAF82558162659162" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAssetReconcilingItemLineItems_4406BA49757F1CA368E755816264E2C7" xlink:to="loc_us-gaap_Assets_74B56B2CD530539AAF82558162659162" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_465AD68F4CA050440E7C558162653E30" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAssetReconcilingItemLineItems_4406BA49757F1CA368E755816264E2C7" xlink:to="loc_us-gaap_Revenues_465AD68F4CA050440E7C558162653E30" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/IndustrySegmentsNetPremiumsEarnedByMajorLineOfBusinessDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_8A56F22ADC72383AC58F5581624EDAD4" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_0267E75FFE579999B64D5581624E93E6" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_8A56F22ADC72383AC58F5581624EDAD4" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_0267E75FFE579999B64D5581624E93E6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_138DF565036C3B6A45225581624FF3B5" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_0267E75FFE579999B64D5581624E93E6" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_138DF565036C3B6A45225581624FF3B5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_F33B99218C59C0E109B45581624F74AA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_138DF565036C3B6A45225581624FF3B5" xlink:to="loc_us-gaap_SegmentDomain_F33B99218C59C0E109B45581624F74AA" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_InsuranceDomesticSegmentMember" xlink:label="loc_wrb_InsuranceDomesticSegmentMember_0755DFF87EA3E22937A95581624F20CA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_F33B99218C59C0E109B45581624F74AA" xlink:to="loc_wrb_InsuranceDomesticSegmentMember_0755DFF87EA3E22937A95581624F20CA" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReinsuranceandMonolineExcessSegmentMember" xlink:label="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_5E86418A968A0EA7FAB65581624F7819" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_F33B99218C59C0E109B45581624F74AA" xlink:to="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_5E86418A968A0EA7FAB65581624F7819" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_DDB79C8465BEB89BAB8D5581625084C3" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_0267E75FFE579999B64D5581624E93E6" xlink:to="loc_srt_ProductOrServiceAxis_DDB79C8465BEB89BAB8D5581625084C3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_F90CBB5191C9066AF4A8558162508BBE" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_DDB79C8465BEB89BAB8D5581625084C3" xlink:to="loc_srt_ProductsAndServicesDomain_F90CBB5191C9066AF4A8558162508BBE" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_OtherInsuranceLiabilitiesMember" xlink:label="loc_wrb_OtherInsuranceLiabilitiesMember_4F3665233165A406BBE355816250C0DB" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_F90CBB5191C9066AF4A8558162508BBE" xlink:to="loc_wrb_OtherInsuranceLiabilitiesMember_4F3665233165A406BBE355816250C0DB" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_WorkersCompensationMember" xlink:label="loc_wrb_WorkersCompensationMember_5B6860773A61E83648D95581625085CD" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_F90CBB5191C9066AF4A8558162508BBE" xlink:to="loc_wrb_WorkersCompensationMember_5B6860773A61E83648D95581625085CD" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ShorttailInsuranceProductLineMember" xlink:label="loc_wrb_ShorttailInsuranceProductLineMember_3FE8A69E86B57D9F892055816251980F" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_F90CBB5191C9066AF4A8558162508BBE" xlink:to="loc_wrb_ShorttailInsuranceProductLineMember_3FE8A69E86B57D9F892055816251980F" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CommercialAutomobileInsuranceProductLineMember" xlink:label="loc_wrb_CommercialAutomobileInsuranceProductLineMember_BB2BA28F9C5EA8DF19D4558162517163" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_F90CBB5191C9066AF4A8558162508BBE" xlink:to="loc_wrb_CommercialAutomobileInsuranceProductLineMember_BB2BA28F9C5EA8DF19D4558162517163" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ProductsLiabilityMember" xlink:label="loc_wrb_ProductsLiabilityMember_13EF38567322750F02BF55816251A06A" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_F90CBB5191C9066AF4A8558162508BBE" xlink:to="loc_wrb_ProductsLiabilityMember_13EF38567322750F02BF55816251A06A" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CasualtyInsuranceProductLineMember" xlink:label="loc_wrb_CasualtyInsuranceProductLineMember_E4F23087EA3C66BDE47355816251B96B" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_F90CBB5191C9066AF4A8558162508BBE" xlink:to="loc_wrb_CasualtyInsuranceProductLineMember_E4F23087EA3C66BDE47355816251B96B" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MonolineExcessMember" xlink:label="loc_wrb_MonolineExcessMember_39A00F06988F35EC429055B28C894617" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_F90CBB5191C9066AF4A8558162508BBE" xlink:to="loc_wrb_MonolineExcessMember_39A00F06988F35EC429055B28C894617" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_PropertyMember" xlink:label="loc_wrb_PropertyMember_9760FE2C847DE378BA1B558162519F70" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_F90CBB5191C9066AF4A8558162508BBE" xlink:to="loc_wrb_PropertyMember_9760FE2C847DE378BA1B558162519F70" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_65539CA5AAB929B37BBA55816251394E" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_0267E75FFE579999B64D5581624E93E6" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_65539CA5AAB929B37BBA55816251394E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsEarnedNet" xlink:label="loc_us-gaap_PremiumsEarnedNet_BE192C422E1762A47EA555816252469B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/netLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_65539CA5AAB929B37BBA55816251394E" xlink:to="loc_us-gaap_PremiumsEarnedNet_BE192C422E1762A47EA555816252469B" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/IndustrySegmentsTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_2DE9B7B053EFFB5A96DFEBC1694BAE40" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" xlink:label="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_A07EBB66E8F413FB9569EBC1694BEB71" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_2DE9B7B053EFFB5A96DFEBC1694BAE40" xlink:to="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_A07EBB66E8F413FB9569EBC1694BEB71" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" xlink:label="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock_223C77D82300C2EB211BEBC1694B049E" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_2DE9B7B053EFFB5A96DFEBC1694BAE40" xlink:to="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock_223C77D82300C2EB211BEBC1694B049E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xlink:label="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock_DC41436AE365026EA7B3EBC1694BC3F7" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_2DE9B7B053EFFB5A96DFEBC1694BAE40" xlink:to="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock_DC41436AE365026EA7B3EBC1694BC3F7" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/InvestmentFunds" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_8ECDD5CE1B8EA720237BEBC16AD006D8" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:label="loc_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_A05CCB6CAC7D68FDD601EBC16AD0FFCC" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_8ECDD5CE1B8EA720237BEBC16AD006D8" xlink:to="loc_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_A05CCB6CAC7D68FDD601EBC16AD0FFCC" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/InvestmentFundsScheduleOfInvestmentFundsDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_20A31424787EBDEAD2B655816532B88D" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_B093123F62B152E0D66B55816532907A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_20A31424787EBDEAD2B655816532B88D" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_B093123F62B152E0D66B55816532907A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:label="loc_us-gaap_InvestmentTypeAxis_82FB1206C026BF68ADE6558165329658" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_B093123F62B152E0D66B55816532907A" xlink:to="loc_us-gaap_InvestmentTypeAxis_82FB1206C026BF68ADE6558165329658" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_4AAF07EB07830E080CFD5581653399CB" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeAxis_82FB1206C026BF68ADE6558165329658" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_4AAF07EB07830E080CFD5581653399CB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RealEstateFundsMember" xlink:label="loc_us-gaap_RealEstateFundsMember_FC0FFD602D4F1DFF30F955816533623F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_4AAF07EB07830E080CFD5581653399CB" xlink:to="loc_us-gaap_RealEstateFundsMember_FC0FFD602D4F1DFF30F955816533623F" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_FinancialServicesFundsMember" xlink:label="loc_wrb_FinancialServicesFundsMember_12230EFA4FBB070512A855D4574AC830" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_4AAF07EB07830E080CFD5581653399CB" xlink:to="loc_wrb_FinancialServicesFundsMember_12230EFA4FBB070512A855D4574AC830" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_EnergyFundsMember" xlink:label="loc_wrb_EnergyFundsMember_778CC6005E45F2A76A315581653302DB" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_4AAF07EB07830E080CFD5581653399CB" xlink:to="loc_wrb_EnergyFundsMember_778CC6005E45F2A76A315581653302DB" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_TransportationFundsMember" xlink:label="loc_wrb_TransportationFundsMember_5C0860D512C3DAB0B0CB55D3DAFA9310" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_4AAF07EB07830E080CFD5581653399CB" xlink:to="loc_wrb_TransportationFundsMember_5C0860D512C3DAB0B0CB55D3DAFA9310" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_OtherFundsMember" xlink:label="loc_wrb_OtherFundsMember_286F43854B0CC9FDEDED5581653392FF" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_4AAF07EB07830E080CFD5581653399CB" xlink:to="loc_wrb_OtherFundsMember_286F43854B0CC9FDEDED5581653392FF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_AA3E332521AEBB8D1F9F55816533373C" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_B093123F62B152E0D66B55816532907A" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_AA3E332521AEBB8D1F9F55816533373C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount" xlink:label="loc_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount_D261B19BEE71FE808F2D55816534B98E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_AA3E332521AEBB8D1F9F55816533373C" xlink:to="loc_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount_D261B19BEE71FE808F2D55816534B98E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_BADEF394EEAB5441770555816534D1DC" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_AA3E332521AEBB8D1F9F55816533373C" xlink:to="loc_us-gaap_EquityMethodInvestments_BADEF394EEAB5441770555816534D1DC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_E761A19C46F1B75D1CDE55816534DACE" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_AA3E332521AEBB8D1F9F55816533373C" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_E761A19C46F1B75D1CDE55816534DACE" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/InvestmentFundsTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_A9C6EBD239690B54F4C5EBC168708D29" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestmentsTextBlock" xlink:label="loc_us-gaap_EquityMethodInvestmentsTextBlock_E4C209E73D5F941376E7EBC168708B00" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_A9C6EBD239690B54F4C5EBC168708D29" xlink:to="loc_us-gaap_EquityMethodInvestmentsTextBlock_E4C209E73D5F941376E7EBC168708B00" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/InvestmentsInEquitySecurities" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_49C15DE02FAFF709FDADEBC16ABE10E0" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_C059F61B269487F91FCCEBC16ABE6245" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_49C15DE02FAFF709FDADEBC16ABE10E0" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_C059F61B269487F91FCCEBC16ABE6245" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_2A05FF6541DF060A2FE8EBC16ABEC7B1" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_C059F61B269487F91FCCEBC16ABE6245" xlink:to="loc_us-gaap_FinancialInstrumentAxis_2A05FF6541DF060A2FE8EBC16ABEC7B1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_0696572E971D80DFF5ABEBC16ABFFD6C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentAxis_2A05FF6541DF060A2FE8EBC16ABEC7B1" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_0696572E971D80DFF5ABEBC16ABFFD6C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember_899D11168F9F423AAFC5EBC16ABFAA46" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_0696572E971D80DFF5ABEBC16ABFFD6C" xlink:to="loc_us-gaap_EquitySecuritiesMember_899D11168F9F423AAFC5EBC16ABFAA46" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_591A307788740748AAA8EBC16ABF4D00" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_C059F61B269487F91FCCEBC16ABE6245" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_591A307788740748AAA8EBC16ABF4D00" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_499A5E1223633F1D4D6FEBC16AC0636A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_591A307788740748AAA8EBC16ABF4D00" xlink:to="loc_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_499A5E1223633F1D4D6FEBC16AC0636A" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/InvestmentsInEquitySecuritiesInvestmentsInEquitySecuritiesAvailableForSaleDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_52550D359E8E1F5F2AE3EBC167FE50FA" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_22BFD6DECA77EEB8A760EBC167FE5053" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_52550D359E8E1F5F2AE3EBC167FE50FA" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_22BFD6DECA77EEB8A760EBC167FE5053" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_B93399E5F8C963D6AA67EBC167FE8786" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_22BFD6DECA77EEB8A760EBC167FE5053" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_B93399E5F8C963D6AA67EBC167FE8786" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_65C1B90B38311817CD2FEBC167FF8917" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_B93399E5F8C963D6AA67EBC167FE8786" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_65C1B90B38311817CD2FEBC167FF8917" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_B1BA6C1E1E778881AC21EBC167FFF330" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_65C1B90B38311817CD2FEBC167FF8917" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_B1BA6C1E1E778881AC21EBC167FFF330" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_9D14F2CD794D6BC2A547EBC167FF2795" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_65C1B90B38311817CD2FEBC167FF8917" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_9D14F2CD794D6BC2A547EBC167FF2795" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_C9EE769BE5ED3FB667AAEBC167FF61B5" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_65C1B90B38311817CD2FEBC167FF8917" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_C9EE769BE5ED3FB667AAEBC167FF61B5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_F79E4C356FD084E8DB18EBC16800F674" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_22BFD6DECA77EEB8A760EBC167FE5053" xlink:to="loc_us-gaap_FinancialInstrumentAxis_F79E4C356FD084E8DB18EBC16800F674" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_485D01AD1BA3D751164BEBC16800824D" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentAxis_F79E4C356FD084E8DB18EBC16800F674" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_485D01AD1BA3D751164BEBC16800824D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_913E5D11F6B0C19ACBFEEBC168003BA2" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_485D01AD1BA3D751164BEBC16800824D" xlink:to="loc_us-gaap_CommonStockMember_913E5D11F6B0C19ACBFEEBC168003BA2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockMember" xlink:label="loc_us-gaap_PreferredStockMember_609DA713BC9CDDC78AC4EBC16801DAAA" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_485D01AD1BA3D751164BEBC16800824D" xlink:to="loc_us-gaap_PreferredStockMember_609DA713BC9CDDC78AC4EBC16801DAAA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_C8789A7F479710E719BFEBC16801A59C" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_22BFD6DECA77EEB8A760EBC167FE5053" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_C8789A7F479710E719BFEBC16801A59C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiCost" xlink:label="loc_us-gaap_EquitySecuritiesFvNiCost_3B393D6F057C11144A45EBC16801F1D3" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_C8789A7F479710E719BFEBC16801A59C" xlink:to="loc_us-gaap_EquitySecuritiesFvNiCost_3B393D6F057C11144A45EBC16801F1D3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiUnrealizedGain" xlink:label="loc_us-gaap_EquitySecuritiesFvNiUnrealizedGain_45D57B88D45C356F4F53EBC168016262" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_C8789A7F479710E719BFEBC16801A59C" xlink:to="loc_us-gaap_EquitySecuritiesFvNiUnrealizedGain_45D57B88D45C356F4F53EBC168016262" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiUnrealizedLoss" xlink:label="loc_us-gaap_EquitySecuritiesFvNiUnrealizedLoss_D53DB96D48E828C5FED3EBC16802EBF2" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_C8789A7F479710E719BFEBC16801A59C" xlink:to="loc_us-gaap_EquitySecuritiesFvNiUnrealizedLoss_D53DB96D48E828C5FED3EBC16802EBF2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNi" xlink:label="loc_us-gaap_EquitySecuritiesFvNi_D5B911732B1D95F76B11EBC168023D17" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_C8789A7F479710E719BFEBC16801A59C" xlink:to="loc_us-gaap_EquitySecuritiesFvNi_D5B911732B1D95F76B11EBC168023D17" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/InvestmentsInEquitySecuritiesTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_FC516C871379375231D2EBC16874012D" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_5BA2362342C73313886EEBC16874817A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_FC516C871379375231D2EBC16874012D" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_5BA2362342C73313886EEBC16874817A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_E4D2E33C114263EF9DD8EBC168741888" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_5BA2362342C73313886EEBC16874817A" xlink:to="loc_us-gaap_FinancialInstrumentAxis_E4D2E33C114263EF9DD8EBC168741888" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_82F9478CA88B22DA99ABEBC168747F41" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentAxis_E4D2E33C114263EF9DD8EBC168741888" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_82F9478CA88B22DA99ABEBC168747F41" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember_6FDA5FFF77E6D6FECF8CEBC16875000C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_82F9478CA88B22DA99ABEBC168747F41" xlink:to="loc_us-gaap_EquitySecuritiesMember_6FDA5FFF77E6D6FECF8CEBC16875000C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_FBF9AA4DAC0C83F1655AEBC16875C017" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_5BA2362342C73313886EEBC16874817A" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_FBF9AA4DAC0C83F1655AEBC16875C017" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesTextBlock" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesTextBlock_51169DAEB3C691A7DAAAEBC168756345" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_FBF9AA4DAC0C83F1655AEBC16875C017" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesTextBlock_51169DAEB3C691A7DAAAEBC168756345" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/InvestmentsInFixedMaturitySecurities" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_5BEB062F801A40C7769BEBC169388196" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ScheduleofMarketableSecuritiesTable" xlink:label="loc_wrb_ScheduleofMarketableSecuritiesTable_F2A705993DAB62156CEAEBC16938AB39" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_5BEB062F801A40C7769BEBC169388196" xlink:to="loc_wrb_ScheduleofMarketableSecuritiesTable_F2A705993DAB62156CEAEBC16938AB39" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_F257A0C3135567D22165EBC169391A9E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofMarketableSecuritiesTable_F2A705993DAB62156CEAEBC16938AB39" xlink:to="loc_us-gaap_FinancialInstrumentAxis_F257A0C3135567D22165EBC169391A9E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_EE631B35F319AFA16268EBC1693957A5" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentAxis_F257A0C3135567D22165EBC169391A9E" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_EE631B35F319AFA16268EBC1693957A5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesMember" xlink:label="loc_us-gaap_DebtSecuritiesMember_D0EAE8D87D9C58D43740EBC1693A4875" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_EE631B35F319AFA16268EBC1693957A5" xlink:to="loc_us-gaap_DebtSecuritiesMember_D0EAE8D87D9C58D43740EBC1693A4875" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ScheduleofMarketableSecuritiesLineItems" xlink:label="loc_wrb_ScheduleofMarketableSecuritiesLineItems_004C5DE2D4A118053CF6EBC1693ABE18" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofMarketableSecuritiesTable_F2A705993DAB62156CEAEBC16938AB39" xlink:to="loc_wrb_ScheduleofMarketableSecuritiesLineItems_004C5DE2D4A118053CF6EBC1693ABE18" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_75F0E03439C3FD81079BEBC1693A4A64" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofMarketableSecuritiesLineItems_004C5DE2D4A118053CF6EBC1693ABE18" xlink:to="loc_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_75F0E03439C3FD81079BEBC1693A4A64" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/InvestmentsInFixedMaturitySecuritiesInvestmentsInFixedMaturitySecuritiesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_46A435FA09156B2E5A725633EF9C5562" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableTable" xlink:label="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableTable_59B8DFBBC4783F4FBF535633EF9DBCE4" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_46A435FA09156B2E5A725633EF9C5562" xlink:to="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableTable_59B8DFBBC4783F4FBF535633EF9DBCE4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_CDB5D28AB4B9CDA8FA6E5633EF9DDD7A" xlink:type="locator"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableTable_59B8DFBBC4783F4FBF535633EF9DBCE4" xlink:to="loc_us-gaap_FinancialInstrumentAxis_CDB5D28AB4B9CDA8FA6E5633EF9DDD7A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentAxis_CDB5D28AB4B9CDA8FA6E5633EF9DDD7A" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USStatesAndPoliticalSubdivisionsMember" xlink:label="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_85E6FF2756E1DF1E78FD56C0054D4773" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_85E6FF2756E1DF1E78FD56C0054D4773" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ResidentialMortgageBackedSecuritiesMember" xlink:label="loc_us-gaap_ResidentialMortgageBackedSecuritiesMember_ED7F43BFE207436107E556C006A8C52C" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_ResidentialMortgageBackedSecuritiesMember_ED7F43BFE207436107E556C006A8C52C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_6A674CF8FB73E43607A256C008A9379A" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_6A674CF8FB73E43607A256C008A9379A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USTreasuryAndGovernmentMember" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_A4554729407A3A99D66456C00AF53549" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_A4554729407A3A99D66456C00AF53549" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SpecialRevenueMember" xlink:label="loc_wrb_SpecialRevenueMember_5FBC43D4E201DEDE699756C00D1705A3" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_wrb_SpecialRevenueMember_5FBC43D4E201DEDE699756C00D1705A3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SovereignDebtStateGovernmentUnspecifiedMember" xlink:label="loc_us-gaap_SovereignDebtStateGovernmentUnspecifiedMember_2071F97B78429AAB72BE56C00D70B1AA" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_SovereignDebtStateGovernmentUnspecifiedMember_2071F97B78429AAB72BE56C00D70B1AA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueSubjectToRefundMember" xlink:label="loc_us-gaap_RevenueSubjectToRefundMember_A872661EF891321B730556C00E5227EA" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_RevenueSubjectToRefundMember_A872661EF891321B730556C00E5227EA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporationMember" xlink:label="loc_us-gaap_CorporationMember_BD04AA9474DAF6A6268F56C00F9D395E" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_CorporationMember_BD04AA9474DAF6A6268F56C00F9D395E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SovereignDebtLocalGovernmentUnspecifiedMember" xlink:label="loc_us-gaap_SovereignDebtLocalGovernmentUnspecifiedMember_DAE95A3631F9E75BC5AF56C010A7E649" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_SovereignDebtLocalGovernmentUnspecifiedMember_DAE95A3631F9E75BC5AF56C010A7E649" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommercialMortgageBackedSecuritiesMember" xlink:label="loc_us-gaap_CommercialMortgageBackedSecuritiesMember_5542218390408D2A46C456C016A4E6ED" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_CommercialMortgageBackedSecuritiesMember_5542218390408D2A46C456C016A4E6ED" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MortgageBackedSecuritiesMember" xlink:label="loc_us-gaap_MortgageBackedSecuritiesMember_D464B02A3D5E0C128F0F56C018688C32" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_MortgageBackedSecuritiesMember_D464B02A3D5E0C128F0F56C018688C32" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_274F649C2B129C6E128356C0197BB05D" xlink:type="locator"/>
<link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_274F649C2B129C6E128356C0197BB05D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_IndustrialPropertyMember" xlink:label="loc_srt_IndustrialPropertyMember_D76EC0A65E219C3AE93156C01BA150F2" xlink:type="locator"/>
<link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_srt_IndustrialPropertyMember_D76EC0A65E219C3AE93156C01BA150F2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DomesticCorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_DomesticCorporateDebtSecuritiesMember_2658F8607EACACC0114856C01CC2A21E" xlink:type="locator"/>
<link:presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_DomesticCorporateDebtSecuritiesMember_2658F8607EACACC0114856C01CC2A21E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PublicUtilityBondsMember" xlink:label="loc_us-gaap_PublicUtilityBondsMember_53745CC5E50140B8171B56C01E4E294E" xlink:type="locator"/>
<link:presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_PublicUtilityBondsMember_53745CC5E50140B8171B56C01E4E294E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAggregatedInvestmentsMember" xlink:label="loc_us-gaap_OtherAggregatedInvestmentsMember_063462478D5EB3468E2556C01F627210" xlink:type="locator"/>
<link:presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_OtherAggregatedInvestmentsMember_063462478D5EB3468E2556C01F627210" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_986BBE5A6EE7869E184A56C02357B5A7" xlink:type="locator"/>
<link:presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_8706538A04A98AB3C79056BF295976A0" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_986BBE5A6EE7869E184A56C02357B5A7" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems" xlink:label="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableTable_59B8DFBBC4783F4FBF535633EF9DBCE4" xlink:to="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment_C76914FBC5CE1A7ABCD95633EFAC6389" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment_C76914FBC5CE1A7ABCD95633EFAC6389" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_965362AA5300FE0820AC5633EFADE651" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_965362AA5300FE0820AC5633EFADE651" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_AF1CF495EA12843B61B15633EFADB4E9" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_AF1CF495EA12843B61B15633EFADB4E9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_4C4B9F7190EF300FD9215633EFAD7486" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesFairValue_4C4B9F7190EF300FD9215633EFAD7486" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecurities" xlink:label="loc_us-gaap_HeldToMaturitySecurities_1B2B0D03A6828A8857705633EFAD7E1D" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_us-gaap_HeldToMaturitySecurities_1B2B0D03A6828A8857705633EFAD7E1D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_021F1A41B4A60CB9E8925633EFADF077" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_021F1A41B4A60CB9E8925633EFADF077" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_AvailableForSaleSecuritiesDebtSecuritiesGrossUnrealizedGain" xlink:label="loc_wrb_AvailableForSaleSecuritiesDebtSecuritiesGrossUnrealizedGain_321F2B1E68D7FA3EACEB5633EFAD34D2" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_wrb_AvailableForSaleSecuritiesDebtSecuritiesGrossUnrealizedGain_321F2B1E68D7FA3EACEB5633EFAD34D2" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_AvailableForSaleSecuritiesDebtSecuritiesGrossUnrealizedLosses" xlink:label="loc_wrb_AvailableForSaleSecuritiesDebtSecuritiesGrossUnrealizedLosses_FD1762583EAE107FAC805633EFB3EDEC" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_wrb_AvailableForSaleSecuritiesDebtSecuritiesGrossUnrealizedLosses_FD1762583EAE107FAC805633EFB3EDEC" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_AvailableForSaleSecuritiesDebtSecuritiesFairValue" xlink:label="loc_wrb_AvailableForSaleSecuritiesDebtSecuritiesFairValue_6C4400242A0E2C96D8755633EFB31024" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_wrb_AvailableForSaleSecuritiesDebtSecuritiesFairValue_6C4400242A0E2C96D8755633EFB31024" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_CF5F8EEA23331B3E26D35633EFB3220B" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_CF5F8EEA23331B3E26D35633EFB3220B" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityAmortizedCost" xlink:label="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityAmortizedCost_016B6E0B7A22FFB1D8FB5633EFB33124" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityAmortizedCost_016B6E0B7A22FFB1D8FB5633EFB33124" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityGrossUnrealizedGains" xlink:label="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityGrossUnrealizedGains_AE3B9058E3BD0AE117285633EFB46473" xlink:type="locator"/>
<link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityGrossUnrealizedGains_AE3B9058E3BD0AE117285633EFB46473" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityGrossUnrealizedLosses" xlink:label="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityGrossUnrealizedLosses_2B6218FD306BD49929305633EFB4761D" xlink:type="locator"/>
<link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityGrossUnrealizedLosses_2B6218FD306BD49929305633EFB4761D" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityFairValue" xlink:label="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityFairValue_B38DE91C455444D28CB85633EFB4040D" xlink:type="locator"/>
<link:presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityFairValue_B38DE91C455444D28CB85633EFB4040D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleAndHeldToMaturity" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAndHeldToMaturity_692984BD33D87B8DE97B5633EFB45809" xlink:type="locator"/>
<link:presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_BD9894FCDC2B81FF298C5633EFACB117" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAndHeldToMaturity_692984BD33D87B8DE97B5633EFB45809" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/InvestmentsInFixedMaturitySecuritiesNarrativeDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_B8D56419558872FF040C55816563F885" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableTable" xlink:label="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableTable_D7EC0F696C52214A209D55816564C759" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_B8D56419558872FF040C55816563F885" xlink:to="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableTable_D7EC0F696C52214A209D55816564C759" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_0BCD14782C542B5409D2558165645463" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableTable_D7EC0F696C52214A209D55816564C759" xlink:to="loc_us-gaap_FinancialInstrumentAxis_0BCD14782C542B5409D2558165645463" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_19DE4708656FF3AF3B185581656483BA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentAxis_0BCD14782C542B5409D2558165645463" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_19DE4708656FF3AF3B185581656483BA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd#naics_ZZ523991" xlink:label="loc_naics_ZZ523991_B60DB1E7265C2E4DF25755816565B8B1" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_19DE4708656FF3AF3B185581656483BA" xlink:to="loc_naics_ZZ523991_B60DB1E7265C2E4DF25755816565B8B1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ResidentialMortgageBackedSecuritiesMember" xlink:label="loc_us-gaap_ResidentialMortgageBackedSecuritiesMember_EB55B9D3A9A5C26F8724558165656641" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_19DE4708656FF3AF3B185581656483BA" xlink:to="loc_us-gaap_ResidentialMortgageBackedSecuritiesMember_EB55B9D3A9A5C26F8724558165656641" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_134CC7421ED07DF3802B55816565F261" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableTable_D7EC0F696C52214A209D55816564C759" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_134CC7421ED07DF3802B55816565F261" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_13D894BE3FD71F6FE9F25581656569FA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_134CC7421ED07DF3802B55816565F261" xlink:to="loc_us-gaap_SegmentDomain_13D894BE3FD71F6FE9F25581656569FA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceRelatedAssessmentsMember" xlink:label="loc_us-gaap_InsuranceRelatedAssessmentsMember_933A54A677D34BC7D327558165659CD6" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_13D894BE3FD71F6FE9F25581656569FA" xlink:to="loc_us-gaap_InsuranceRelatedAssessmentsMember_933A54A677D34BC7D327558165659CD6" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReinsuranceandMonolineExcessSegmentMember" xlink:label="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_34D1C168006F74F3F06655816566B932" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_13D894BE3FD71F6FE9F25581656569FA" xlink:to="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_34D1C168006F74F3F06655816566B932" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems" xlink:label="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_E35F6B980BCA5058CC90558165669047" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableTable_D7EC0F696C52214A209D55816564C759" xlink:to="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_E35F6B980BCA5058CC90558165669047" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_OtherComprehensiveIncomeUnrealizedGainsLossonOtherThanTemporarilyImpairedDebtSecuritiesAvailableforSale" xlink:label="loc_wrb_OtherComprehensiveIncomeUnrealizedGainsLossonOtherThanTemporarilyImpairedDebtSecuritiesAvailableforSale_6CCFD08E2197B4A4F7B255816566CCCD" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_E35F6B980BCA5058CC90558165669047" xlink:to="loc_wrb_OtherComprehensiveIncomeUnrealizedGainsLossonOtherThanTemporarilyImpairedDebtSecuritiesAvailableforSale_6CCFD08E2197B4A4F7B255816566CCCD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesRestricted" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesRestricted_47911C242FFFF40F09CD55816566C864" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_E35F6B980BCA5058CC90558165669047" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesRestricted_47911C242FFFF40F09CD55816566C864" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_16BA8CEBF8E325651DF355816566E00C" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofAvailableforsaleandHeldtomaturitySecuritiesTableLineItems_E35F6B980BCA5058CC90558165669047" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_16BA8CEBF8E325651DF355816566E00C" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/InvestmentsInFixedMaturitySecuritiesTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_5D7DB211D7A54BEB6605EBC169B94394" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ScheduleofMarketableSecuritiesTable" xlink:label="loc_wrb_ScheduleofMarketableSecuritiesTable_C9F4AFD8377EECD6C274EBC169B9B2A7" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_5D7DB211D7A54BEB6605EBC169B94394" xlink:to="loc_wrb_ScheduleofMarketableSecuritiesTable_C9F4AFD8377EECD6C274EBC169B9B2A7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_4B90D5C8989E58B2900BEBC169BAD07D" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofMarketableSecuritiesTable_C9F4AFD8377EECD6C274EBC169B9B2A7" xlink:to="loc_us-gaap_FinancialInstrumentAxis_4B90D5C8989E58B2900BEBC169BAD07D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_CB59685F9305840E126DEBC169BA1046" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentAxis_4B90D5C8989E58B2900BEBC169BAD07D" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_CB59685F9305840E126DEBC169BA1046" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesMember" xlink:label="loc_us-gaap_DebtSecuritiesMember_EDAB2635647B9951B0EEEBC169BA88C5" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_CB59685F9305840E126DEBC169BA1046" xlink:to="loc_us-gaap_DebtSecuritiesMember_EDAB2635647B9951B0EEEBC169BA88C5" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ScheduleofMarketableSecuritiesLineItems" xlink:label="loc_wrb_ScheduleofMarketableSecuritiesLineItems_C8A7A16FD66FCE7E5C84EBC169BA4F0F" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofMarketableSecuritiesTable_C9F4AFD8377EECD6C274EBC169B9B2A7" xlink:to="loc_wrb_ScheduleofMarketableSecuritiesLineItems_C8A7A16FD66FCE7E5C84EBC169BA4F0F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MarketableSecuritiesTextBlock" xlink:label="loc_us-gaap_MarketableSecuritiesTextBlock_A3F412F23605752F0CB5EBC169BBAD5F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofMarketableSecuritiesLineItems_C8A7A16FD66FCE7E5C84EBC169BA4F0F" xlink:to="loc_us-gaap_MarketableSecuritiesTextBlock_A3F412F23605752F0CB5EBC169BBAD5F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xlink:label="loc_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_E0C7BF0C7FAB2DF7DA4CEBC169BB59E0" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ScheduleofMarketableSecuritiesLineItems_C8A7A16FD66FCE7E5C84EBC169BA4F0F" xlink:to="loc_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_E0C7BF0C7FAB2DF7DA4CEBC169BB59E0" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/InvestmentsInFixedMaturitySecuritiesTheAmortizedCostAndFairValueOfFixedMaturitySecuritiesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_E25D8957A3303A030CB3EBC16A494254" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MarketableSecuritiesFixedMaturitiesWithinOneYearAmortizedCost" xlink:label="loc_wrb_MarketableSecuritiesFixedMaturitiesWithinOneYearAmortizedCost_727EEB0C645383166ABDEBC16A4959A5" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_E25D8957A3303A030CB3EBC16A494254" xlink:to="loc_wrb_MarketableSecuritiesFixedMaturitiesWithinOneYearAmortizedCost_727EEB0C645383166ABDEBC16A4959A5" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MarketableSecuritiesFixedMaturitiesAfterOneThroughFiveYearsAmortizedCost" xlink:label="loc_wrb_MarketableSecuritiesFixedMaturitiesAfterOneThroughFiveYearsAmortizedCost_BC95794C35863C2868A6EBC16A4A55D0" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_E25D8957A3303A030CB3EBC16A494254" xlink:to="loc_wrb_MarketableSecuritiesFixedMaturitiesAfterOneThroughFiveYearsAmortizedCost_BC95794C35863C2868A6EBC16A4A55D0" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MarketableSecuritiesFixedMaturitiesAfterFiveThroughTenYearsAmortizedCost" xlink:label="loc_wrb_MarketableSecuritiesFixedMaturitiesAfterFiveThroughTenYearsAmortizedCost_218384A7453AC83933BDEBC16A4AEC41" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_E25D8957A3303A030CB3EBC16A494254" xlink:to="loc_wrb_MarketableSecuritiesFixedMaturitiesAfterFiveThroughTenYearsAmortizedCost_218384A7453AC83933BDEBC16A4AEC41" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MarketableSecuritiesFixedMaturitiesAfterTenYearsAmortizedCost" xlink:label="loc_wrb_MarketableSecuritiesFixedMaturitiesAfterTenYearsAmortizedCost_D4B5114C93116BAFF851EBC16A4AA5B3" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_E25D8957A3303A030CB3EBC16A494254" xlink:to="loc_wrb_MarketableSecuritiesFixedMaturitiesAfterTenYearsAmortizedCost_D4B5114C93116BAFF851EBC16A4AA5B3" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MarketableSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost" xlink:label="loc_wrb_MarketableSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost_3D0AE063F09C1E3AFF47EBC16A4AEF80" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_E25D8957A3303A030CB3EBC16A494254" xlink:to="loc_wrb_MarketableSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost_3D0AE063F09C1E3AFF47EBC16A4AEF80" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MarketableSecuritiesFixedMaturitiesAmortizedCost" xlink:label="loc_wrb_MarketableSecuritiesFixedMaturitiesAmortizedCost_B022FECB9B7AF51719D2EBC16A4B49C9" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_E25D8957A3303A030CB3EBC16A494254" xlink:to="loc_wrb_MarketableSecuritiesFixedMaturitiesAmortizedCost_B022FECB9B7AF51719D2EBC16A4B49C9" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MarketableSecuritiesFixedMaturitiesWithinOneYearFairValue" xlink:label="loc_wrb_MarketableSecuritiesFixedMaturitiesWithinOneYearFairValue_C4397B9FF6124E45AEFEEBC16A4B64B9" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_E25D8957A3303A030CB3EBC16A494254" xlink:to="loc_wrb_MarketableSecuritiesFixedMaturitiesWithinOneYearFairValue_C4397B9FF6124E45AEFEEBC16A4B64B9" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MarketableSecuritiesFixedMaturitiesAfterOneThroughFiveYearsFairValue" xlink:label="loc_wrb_MarketableSecuritiesFixedMaturitiesAfterOneThroughFiveYearsFairValue_5D104A2833497F9CE08AEBC16A4B8AA1" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_E25D8957A3303A030CB3EBC16A494254" xlink:to="loc_wrb_MarketableSecuritiesFixedMaturitiesAfterOneThroughFiveYearsFairValue_5D104A2833497F9CE08AEBC16A4B8AA1" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MarketableSecuritiesFixedMaturitiesAfterFiveThroughTenYearsFairValue" xlink:label="loc_wrb_MarketableSecuritiesFixedMaturitiesAfterFiveThroughTenYearsFairValue_24849BB0AB774BB609D4EBC16A4BEA13" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_E25D8957A3303A030CB3EBC16A494254" xlink:to="loc_wrb_MarketableSecuritiesFixedMaturitiesAfterFiveThroughTenYearsFairValue_24849BB0AB774BB609D4EBC16A4BEA13" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MarketableSecuritiesFixedMaturitiesAfterTenYearsFairValue" xlink:label="loc_wrb_MarketableSecuritiesFixedMaturitiesAfterTenYearsFairValue_093ABC4DD82EF2AE3D92EBC16A4C1C4C" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_E25D8957A3303A030CB3EBC16A494254" xlink:to="loc_wrb_MarketableSecuritiesFixedMaturitiesAfterTenYearsFairValue_093ABC4DD82EF2AE3D92EBC16A4C1C4C" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MarketableSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue" xlink:label="loc_wrb_MarketableSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_26C0A0D7FD0FD96CE4F6EBC16A4C7A28" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_E25D8957A3303A030CB3EBC16A494254" xlink:to="loc_wrb_MarketableSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_26C0A0D7FD0FD96CE4F6EBC16A4C7A28" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MarketableSecuritiesFixedMaturitiesFairValue" xlink:label="loc_wrb_MarketableSecuritiesFixedMaturitiesFairValue_3CCF2FCF4091ECD8A153EBC16A4C104E" xlink:type="locator"/>
<link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_E25D8957A3303A030CB3EBC16A494254" xlink:to="loc_wrb_MarketableSecuritiesFixedMaturitiesFairValue_3CCF2FCF4091ECD8A153EBC16A4C104E" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/Leases" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_74EAC47E7F28AE55FB115A683023727E" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeasesTextBlock" xlink:label="loc_us-gaap_LesseeOperatingLeasesTextBlock_F3E0450570AA94612C015A686F462E48" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_74EAC47E7F28AE55FB115A683023727E" xlink:to="loc_us-gaap_LesseeOperatingLeasesTextBlock_F3E0450570AA94612C015A686F462E48" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/LeasesLeaseCostDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_E4FFE10037B3F31920CC5A6830A3D614" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseCost" xlink:label="loc_us-gaap_OperatingLeaseCost_F3BC9F367C39E9682FCB5A746EDA8D8C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_E4FFE10037B3F31920CC5A6830A3D614" xlink:to="loc_us-gaap_OperatingLeaseCost_F3BC9F367C39E9682FCB5A746EDA8D8C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasePayments" xlink:label="loc_us-gaap_OperatingLeasePayments_2EC82D32B8F2D3C32DAC5A7470651419" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_E4FFE10037B3F31920CC5A6830A3D614" xlink:to="loc_us-gaap_OperatingLeasePayments_2EC82D32B8F2D3C32DAC5A7470651419" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_E01CC226C29D5CB30E8D5A747180E77D" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_E4FFE10037B3F31920CC5A6830A3D614" xlink:to="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_E01CC226C29D5CB30E8D5A747180E77D" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/LeasesMaturitiesOfOperatingLeaseLiabilitiesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_949770CA61B416B582A55A771005CB5C" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_6D3C501BAE1D9F9D12595A78603742C8" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_949770CA61B416B582A55A771005CB5C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_6D3C501BAE1D9F9D12595A78603742C8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_52A384B69B1F704E66055A77E6EC2E2C" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_949770CA61B416B582A55A771005CB5C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_52A384B69B1F704E66055A77E6EC2E2C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_82FAD7F81521312CC9385A77E825AD34" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_949770CA61B416B582A55A771005CB5C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_82FAD7F81521312CC9385A77E825AD34" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_9A893DB6BE9512652DEC5A77E938FD23" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_949770CA61B416B582A55A771005CB5C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_9A893DB6BE9512652DEC5A77E938FD23" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_E0D7EF2046D8882593D45A77EA9DFB85" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_949770CA61B416B582A55A771005CB5C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_E0D7EF2046D8882593D45A77EA9DFB85" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_2E34D0980B00BB08FCA15A77EBF49A81" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_949770CA61B416B582A55A771005CB5C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_2E34D0980B00BB08FCA15A77EBF49A81" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_C401136708E3445E24855A77ED07ADE3" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_949770CA61B416B582A55A771005CB5C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_C401136708E3445E24855A77ED07ADE3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_87DCC79D07DAE2E204F95A77EE36DF65" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_949770CA61B416B582A55A771005CB5C" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_87DCC79D07DAE2E204F95A77EE36DF65" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_0BB8692E9E3DDB28BCBF5A77EF963A7A" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_949770CA61B416B582A55A771005CB5C" xlink:to="loc_us-gaap_OperatingLeaseLiability_0BB8692E9E3DDB28BCBF5A77EF963A7A" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/LeasesSupplementalBalanceSheetInformationDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_C8D7D9CE93E3D009952F5A75807D6FEA" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_8C003C8EED3AF2E2AE605A75B224C539" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_C8D7D9CE93E3D009952F5A75807D6FEA" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_8C003C8EED3AF2E2AE605A75B224C539" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_D6DDC72650CE729EB05D5A75B3339D5A" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_C8D7D9CE93E3D009952F5A75807D6FEA" xlink:to="loc_us-gaap_OperatingLeaseLiability_D6DDC72650CE729EB05D5A75B3339D5A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_C543C4C244B40E410DC85A75B4190BB0" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_C8D7D9CE93E3D009952F5A75807D6FEA" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_C543C4C244B40E410DC85A75B4190BB0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_8E144221B57FB057B4DA5A75B5465371" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_C8D7D9CE93E3D009952F5A75807D6FEA" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_8E144221B57FB057B4DA5A75B5465371" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/LeasesTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="loc_us-gaap_LeasesAbstract_B45CFF9FC9AFBC0F585A5A68302ED774" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeaseCostTableTextBlock" xlink:label="loc_us-gaap_LeaseCostTableTextBlock_47557007A2BB588C48C75A6E41AB77EE" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_B45CFF9FC9AFBC0F585A5A68302ED774" xlink:to="loc_us-gaap_LeaseCostTableTextBlock_47557007A2BB588C48C75A6E41AB77EE" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_AssetsAndLiabilitiesLesseeTableTextBlock" xlink:label="loc_wrb_AssetsAndLiabilitiesLesseeTableTextBlock_E757F6D134BBA1588A015A7169F6A399" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_B45CFF9FC9AFBC0F585A5A68302ED774" xlink:to="loc_wrb_AssetsAndLiabilitiesLesseeTableTextBlock_E757F6D134BBA1588A015A7169F6A399" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_ED93E69CA87C612A230D5A6F31777A5C" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_B45CFF9FC9AFBC0F585A5A68302ED774" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_ED93E69CA87C612A230D5A6F31777A5C" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/LoansReceivable" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_D259E0CA6C401E7300E4EBC1688E388D" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:label="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_4365AACE7173F5D0E8FFEBC1688EFFFC" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_D259E0CA6C401E7300E4EBC1688E388D" xlink:to="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_4365AACE7173F5D0E8FFEBC1688EFFFC" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/LoansReceivableDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_0D2529090303DBE1F09D5633EE90D670" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_8B72B10B509E73B157325633EE91E88C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_0D2529090303DBE1F09D5633EE90D670" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_8B72B10B509E73B157325633EE91E88C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_F225C051F04247E0BA085633EE91EC4C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_8B72B10B509E73B157325633EE91E88C" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_F225C051F04247E0BA085633EE91EC4C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_E593155B57BD946C29065633EE916D96" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_F225C051F04247E0BA085633EE91EC4C" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_E593155B57BD946C29065633EE916D96" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:label="loc_us-gaap_CommercialRealEstatePortfolioSegmentMember_B62646EEC5FEF00582B65633EE922D50" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_E593155B57BD946C29065633EE916D96" xlink:to="loc_us-gaap_CommercialRealEstatePortfolioSegmentMember_B62646EEC5FEF00582B65633EE922D50" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommercialPortfolioSegmentMember" xlink:label="loc_us-gaap_CommercialPortfolioSegmentMember_506AA483D4DFAEF4B0415633EE92CFB6" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_E593155B57BD946C29065633EE916D96" xlink:to="loc_us-gaap_CommercialPortfolioSegmentMember_506AA483D4DFAEF4B0415633EE92CFB6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansReceivableMember" xlink:label="loc_us-gaap_LoansReceivableMember_468C76C00B4B255458ED5633EE924DAD" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_E593155B57BD946C29065633EE916D96" xlink:to="loc_us-gaap_LoansReceivableMember_468C76C00B4B255458ED5633EE924DAD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_B8427ACBF7792537408F5633EE927BDB" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_8B72B10B509E73B157325633EE91E88C" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_B8427ACBF7792537408F5633EE927BDB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:label="loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_372DC1F9F861CCC3D5BB5633EE92D201" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_B8427ACBF7792537408F5633EE927BDB" xlink:to="loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_372DC1F9F861CCC3D5BB5633EE92D201" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansReceivableFairValueDisclosure" xlink:label="loc_us-gaap_LoansReceivableFairValueDisclosure_E753FE71D0A5FAA22BB05633EE939479" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_B8427ACBF7792537408F5633EE927BDB" xlink:to="loc_us-gaap_LoansReceivableFairValueDisclosure_E753FE71D0A5FAA22BB05633EE939479" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1_9DA6B1C3551D905181DF5633EE933633" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_B8427ACBF7792537408F5633EE927BDB" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1_9DA6B1C3551D905181DF5633EE933633" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment_0A39C96CC61B9E9A23915633EE937200" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_B8427ACBF7792537408F5633EE927BDB" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment_0A39C96CC61B9E9A23915633EE937200" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForLoanAndLeaseLossesRealEstate" xlink:label="loc_us-gaap_AllowanceForLoanAndLeaseLossesRealEstate_55BCA0BEDE9C881873BF5633EE931491" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_B8427ACBF7792537408F5633EE927BDB" xlink:to="loc_us-gaap_AllowanceForLoanAndLeaseLossesRealEstate_55BCA0BEDE9C881873BF5633EE931491" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease_355F198CE99E3FC040165633EE93825C" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_B8427ACBF7792537408F5633EE927BDB" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease_355F198CE99E3FC040165633EE93825C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest" xlink:label="loc_us-gaap_LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest_414AF1AC5310F8FCCFF05633EE94B19A" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_B8427ACBF7792537408F5633EE927BDB" xlink:to="loc_us-gaap_LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest_414AF1AC5310F8FCCFF05633EE94B19A" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LoansandLeasesReceivableMaturityPeriod" xlink:label="loc_wrb_LoansandLeasesReceivableMaturityPeriod_A34A2BAC0B7B1662621D5633EE943432" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_B8427ACBF7792537408F5633EE927BDB" xlink:to="loc_wrb_LoansandLeasesReceivableMaturityPeriod_A34A2BAC0B7B1662621D5633EE943432" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/LoansReceivableTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_A360C7B5AC31CBBEF4EAEBC169F5805C" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_BA35CC9DD7AD2D421A9BEBC169F6CA0B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_A360C7B5AC31CBBEF4EAEBC169F5805C" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_BA35CC9DD7AD2D421A9BEBC169F6CA0B" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/NetInvestmentIncome" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetInvestmentIncomeAbstract" xlink:label="loc_us-gaap_NetInvestmentIncomeAbstract_309651B62C403C1168C8EBC16AD37278" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_NetInvestmentIncomeTextBlock" xlink:label="loc_wrb_NetInvestmentIncomeTextBlock_218ADB3FB627C635EDF1EBC16AD3C557" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetInvestmentIncomeAbstract_309651B62C403C1168C8EBC16AD37278" xlink:to="loc_wrb_NetInvestmentIncomeTextBlock_218ADB3FB627C635EDF1EBC16AD3C557" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/NetInvestmentIncomeNetInvestmentIncomeDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetInvestmentIncomeAbstract" xlink:label="loc_us-gaap_NetInvestmentIncomeAbstract_B8B9918F6F0C5E4648FBEBC169C072E0" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable" xlink:label="loc_us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable_021922A5DEA9A7F251AFEBC169C150C9" xlink:type="locator"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetInvestmentIncomeAbstract_B8B9918F6F0C5E4648FBEBC169C072E0" xlink:to="loc_us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable_021922A5DEA9A7F251AFEBC169C150C9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:label="loc_us-gaap_InvestmentTypeAxis_ACC226F006DFF6206C19EBC169C1C9A4" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable_021922A5DEA9A7F251AFEBC169C150C9" xlink:to="loc_us-gaap_InvestmentTypeAxis_ACC226F006DFF6206C19EBC169C1C9A4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_4ED97B53CE212EFDE92CEBC169C2779C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeAxis_ACC226F006DFF6206C19EBC169C1C9A4" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_4ED97B53CE212EFDE92CEBC169C2779C" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_FixedMaturitySecuritiesCashCashEquivalentsandLoansReceivableMember" xlink:label="loc_wrb_FixedMaturitySecuritiesCashCashEquivalentsandLoansReceivableMember_9B62254FD29F1CDA281BEBC169C26A5B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_4ED97B53CE212EFDE92CEBC169C2779C" xlink:to="loc_wrb_FixedMaturitySecuritiesCashCashEquivalentsandLoansReceivableMember_9B62254FD29F1CDA281BEBC169C26A5B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestmentsMember" xlink:label="loc_us-gaap_EquityMethodInvestmentsMember_E61353C640EE62CE0675EBC169C2FED6" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_4ED97B53CE212EFDE92CEBC169C2779C" xlink:to="loc_us-gaap_EquityMethodInvestmentsMember_E61353C640EE62CE0675EBC169C2FED6" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ArbitrageTradingAccountMember" xlink:label="loc_wrb_ArbitrageTradingAccountMember_B1767D83EA3D223D3F96EBC169C26D07" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_4ED97B53CE212EFDE92CEBC169C2779C" xlink:to="loc_wrb_ArbitrageTradingAccountMember_B1767D83EA3D223D3F96EBC169C26D07" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RealEstateMember" xlink:label="loc_us-gaap_RealEstateMember_3F838F9521DD5456FC92EBC169C3C719" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_4ED97B53CE212EFDE92CEBC169C2779C" xlink:to="loc_us-gaap_RealEstateMember_3F838F9521DD5456FC92EBC169C3C719" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember_882EA877A56AD8E80A0AEBC169C3DD48" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_4ED97B53CE212EFDE92CEBC169C2779C" xlink:to="loc_us-gaap_EquitySecuritiesMember_882EA877A56AD8E80A0AEBC169C3DD48" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems" xlink:label="loc_us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_88240FF20567242D3EA9EBC169C33376" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable_021922A5DEA9A7F251AFEBC169C150C9" xlink:to="loc_us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_88240FF20567242D3EA9EBC169C33376" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentIncomeInterestAndDividend" xlink:label="loc_us-gaap_InvestmentIncomeInterestAndDividend_20FE3CF0C863A49ED1B2EBC169C33960" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_88240FF20567242D3EA9EBC169C33376" xlink:to="loc_us-gaap_InvestmentIncomeInterestAndDividend_20FE3CF0C863A49ED1B2EBC169C33960" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentIncomeInvestmentExpense" xlink:label="loc_us-gaap_InvestmentIncomeInvestmentExpense_195BE56EE7AE582FE2F1EBC169C4C898" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_88240FF20567242D3EA9EBC169C33376" xlink:to="loc_us-gaap_InvestmentIncomeInvestmentExpense_195BE56EE7AE582FE2F1EBC169C4C898" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetInvestmentIncome" xlink:label="loc_us-gaap_NetInvestmentIncome_1E99833BAA014E677361EBC169C46727" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_88240FF20567242D3EA9EBC169C33376" xlink:to="loc_us-gaap_NetInvestmentIncome_1E99833BAA014E677361EBC169C46727" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/NetInvestmentIncomeTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetInvestmentIncomeAbstract" xlink:label="loc_us-gaap_NetInvestmentIncomeAbstract_C0997701EA725305C27CEBC169E978D2" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentIncomeTextBlock" xlink:label="loc_us-gaap_InvestmentIncomeTextBlock_61F0C22DE63A6AF0A911EBC169EA20E5" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetInvestmentIncomeAbstract_C0997701EA725305C27CEBC169E978D2" xlink:to="loc_us-gaap_InvestmentIncomeTextBlock_61F0C22DE63A6AF0A911EBC169EA20E5" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/QuarterlyFinancialInformationUnaudited" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:label="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_5F413E83AD704EF5D394EBC16BEAAC1D" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="loc_us-gaap_QuarterlyFinancialInformationTextBlock_4CB662BDCE564303853DEBC16BEA15D0" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_5F413E83AD704EF5D394EBC16BEAAC1D" xlink:to="loc_us-gaap_QuarterlyFinancialInformationTextBlock_4CB662BDCE564303853DEBC16BEA15D0" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/QuarterlyFinancialInformationUnauditedScheduleOfQuarterlyFinancialInformationDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:label="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_DD09DF9D8A203A9FC147EBC1683B2D13" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_21A4775D7F84C3EADC08EBC1683C8D7E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_DD09DF9D8A203A9FC147EBC1683B2D13" xlink:to="loc_us-gaap_Revenues_21A4775D7F84C3EADC08EBC1683C8D7E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_6F4BA27EBC532B6D2325EBC1683CBEB6" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_DD09DF9D8A203A9FC147EBC1683B2D13" xlink:to="loc_us-gaap_NetIncomeLoss_6F4BA27EBC532B6D2325EBC1683CBEB6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_65C7D9D0645793924566EBC1683CF0E3" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_DD09DF9D8A203A9FC147EBC1683B2D13" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_65C7D9D0645793924566EBC1683CF0E3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_48B052875ADC921185B0EBC1683C66D9" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_65C7D9D0645793924566EBC1683CF0E3" xlink:to="loc_us-gaap_EarningsPerShareBasic_48B052875ADC921185B0EBC1683C66D9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_A695CACC6897509BA1A7EBC1683DC697" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_65C7D9D0645793924566EBC1683CF0E3" xlink:to="loc_us-gaap_EarningsPerShareDiluted_A695CACC6897509BA1A7EBC1683DC697" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/QuarterlyFinancialInformationUnauditedTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:label="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_9669D12E229F3C0C70B0EBC1679AE7BE" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_AA472878D4FB9E6C2F63EBC1679A8802" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_9669D12E229F3C0C70B0EBC1679AE7BE" xlink:to="loc_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_AA472878D4FB9E6C2F63EBC1679A8802" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/RealEstate" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RealEstateAbstract" xlink:label="loc_us-gaap_RealEstateAbstract_74105DFBC40AB0FFA380EBC16B5B6AD8" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RealEstateDisclosureTextBlock" xlink:label="loc_us-gaap_RealEstateDisclosureTextBlock_09DF94342F0B357586EEEBC16B5BD10F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_74105DFBC40AB0FFA380EBC16B5B6AD8" xlink:to="loc_us-gaap_RealEstateDisclosureTextBlock_09DF94342F0B357586EEEBC16B5BD10F" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/RealEstateDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RealEstateAbstract" xlink:label="loc_us-gaap_RealEstateAbstract_B48249095B3CFA6EDADDEBC1678BE3F3" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_BuildingandLeaseObligations" xlink:label="loc_wrb_BuildingandLeaseObligations_12B8DE1157E87AC6C7B7EBC1678B7EA0" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_B48249095B3CFA6EDADDEBC1678BE3F3" xlink:to="loc_wrb_BuildingandLeaseObligations_12B8DE1157E87AC6C7B7EBC1678B7EA0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DevelopmentInProcess" xlink:label="loc_us-gaap_DevelopmentInProcess_400797B892FCDDBCF9E2EBC1678CA05E" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_B48249095B3CFA6EDADDEBC1678BE3F3" xlink:to="loc_us-gaap_DevelopmentInProcess_400797B892FCDDBCF9E2EBC1678CA05E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RealEstateInvestmentPropertyNet" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet_CEC15ADFF001EE4AF1DCEBC1678C55C1" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_B48249095B3CFA6EDADDEBC1678BE3F3" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyNet_CEC15ADFF001EE4AF1DCEBC1678C55C1" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/RealEstateNarrativeDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RealEstateAbstract" xlink:label="loc_us-gaap_RealEstateAbstract_68849C3ED0076B992D3AEBC168455AF1" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_14B6B101FFB89C90A254EBC16845A1E0" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_68849C3ED0076B992D3AEBC168455AF1" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_14B6B101FFB89C90A254EBC16845A1E0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense" xlink:label="loc_us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense_4ED4C37876637B7ED057EBC16845E50D" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_68849C3ED0076B992D3AEBC168455AF1" xlink:to="loc_us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense_4ED4C37876637B7ED057EBC16845E50D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_C0C0223BA317E97E65D5EBC168465C80" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_68849C3ED0076B992D3AEBC168455AF1" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_C0C0223BA317E97E65D5EBC168465C80" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_DDE06D2EECB7D3CA3892EBC16846CA31" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_68849C3ED0076B992D3AEBC168455AF1" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_DDE06D2EECB7D3CA3892EBC16846CA31" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_5DC1EE435B9DD6D1269DEBC168462830" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_68849C3ED0076B992D3AEBC168455AF1" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_5DC1EE435B9DD6D1269DEBC168462830" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_106BE67E039C87A7CF26EBC168467DF6" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_68849C3ED0076B992D3AEBC168455AF1" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_106BE67E039C87A7CF26EBC168467DF6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_3A455A5858655EC9DA80EBC16847C7BE" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_68849C3ED0076B992D3AEBC168455AF1" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_3A455A5858655EC9DA80EBC16847C7BE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_27AF0D6C6E88297C91DEEBC16847E02F" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_68849C3ED0076B992D3AEBC168455AF1" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_27AF0D6C6E88297C91DEEBC16847E02F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_605480F7389E447CF437EBC16847736E" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_68849C3ED0076B992D3AEBC168455AF1" xlink:to="loc_us-gaap_DebtInstrumentTable_605480F7389E447CF437EBC16847736E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_642EFEF16DE23E0127F9EBC16847C63D" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_605480F7389E447CF437EBC16847736E" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_642EFEF16DE23E0127F9EBC16847C63D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_796FAF0D1666DA2F7004EBC168472BED" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_642EFEF16DE23E0127F9EBC16847C63D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_796FAF0D1666DA2F7004EBC168472BED" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_313C99E5D5AA93762BEBEBC16848B284" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_796FAF0D1666DA2F7004EBC168472BED" xlink:to="loc_us-gaap_SecuredDebtMember_313C99E5D5AA93762BEBEBC16848B284" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_D28532BB08EBC849BE02EBC16848370A" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_605480F7389E447CF437EBC16847736E" xlink:to="loc_us-gaap_DebtInstrumentLineItems_D28532BB08EBC849BE02EBC16848370A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_FB2145460BA3F0BD0D59EBC16848E9CC" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D28532BB08EBC849BE02EBC16848370A" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_FB2145460BA3F0BD0D59EBC16848E9CC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_68EEBD54D05D311B180EEBC16849654D" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D28532BB08EBC849BE02EBC16848370A" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_68EEBD54D05D311B180EEBC16849654D" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/RealEstateTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RealEstateAbstract" xlink:label="loc_us-gaap_RealEstateAbstract_A94F90C64F3F0D8C621CEBC1689B1B7A" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRealEstatePropertiesTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfRealEstatePropertiesTableTextBlock_F18361185BDC22B140A9EBC1689C68E9" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RealEstateAbstract_A94F90C64F3F0D8C621CEBC1689B1B7A" xlink:to="loc_us-gaap_ScheduleOfRealEstatePropertiesTableTextBlock_F18361185BDC22B140A9EBC1689C68E9" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/RealizedAndUnrealizedInvestmentGainsAndLosses" xlink:type="extended">
<link:loc xlink:href="wrb-20191231.xsd#wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract" xlink:label="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_9AE27C707A7433D91DA1EBC168B8204F" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsInDebtAndEquityInstrumentsCashAndCashEquivalentsUnrealizedAndRealizedGainsLossesTextBlock" xlink:label="loc_us-gaap_InvestmentsInDebtAndEquityInstrumentsCashAndCashEquivalentsUnrealizedAndRealizedGainsLossesTextBlock_E47B77B8787BFF334CE2EBC168B97DBB" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_9AE27C707A7433D91DA1EBC168B8204F" xlink:to="loc_us-gaap_InvestmentsInDebtAndEquityInstrumentsCashAndCashEquivalentsUnrealizedAndRealizedGainsLossesTextBlock_E47B77B8787BFF334CE2EBC168B97DBB" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/RealizedAndUnrealizedInvestmentGainsAndLossesChangeInUnrealizedGainsLossesOfAvailableForSalesSecuritiesDetails" xlink:type="extended">
<link:loc xlink:href="wrb-20191231.xsd#wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract" xlink:label="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_CE93DF70B862313BEBD2570BF3CDDD93" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_RealizedAndUnrealizedInvestmentGainsLossesTable" xlink:label="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesTable_CAFA5F4C0F490FB7E7B5570BF3CDE878" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_CE93DF70B862313BEBD2570BF3CDDD93" xlink:to="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesTable_CAFA5F4C0F490FB7E7B5570BF3CDE878" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_EA81E274CF113F6069A0570BF3CD3D11" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesTable_CAFA5F4C0F490FB7E7B5570BF3CDE878" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_EA81E274CF113F6069A0570BF3CD3D11" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_EquityMethodInvesteeNameDomain" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_782CDE60D78367277E4A570BF3CD5394" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_EA81E274CF113F6069A0570BF3CD3D11" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_782CDE60D78367277E4A570BF3CD5394" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_OfficeBuildinginWashingtonD.C.Member" xlink:label="loc_wrb_OfficeBuildinginWashingtonD.C.Member_71E12DC2FC0E74307F7D570BF3CD0991" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_782CDE60D78367277E4A570BF3CD5394" xlink:to="loc_wrb_OfficeBuildinginWashingtonD.C.Member_71E12DC2FC0E74307F7D570BF3CD0991" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_5B32E5CF220919A818E3570BF3CDD686" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesTable_CAFA5F4C0F490FB7E7B5570BF3CDE878" xlink:to="loc_us-gaap_FinancialInstrumentAxis_5B32E5CF220919A818E3570BF3CDD686" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_F972E0F5D2D81305D4EA570BF3CD1E6A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentAxis_5B32E5CF220919A818E3570BF3CDD686" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_F972E0F5D2D81305D4EA570BF3CD1E6A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesMember" xlink:label="loc_us-gaap_DebtSecuritiesMember_58E348C041511DFD4CEF570BF3CD4652" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_F972E0F5D2D81305D4EA570BF3CD1E6A" xlink:to="loc_us-gaap_DebtSecuritiesMember_58E348C041511DFD4CEF570BF3CD4652" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesPreviouslyImpairedMember" xlink:label="loc_wrb_DebtSecuritiesPreviouslyImpairedMember_B7CFF559991BFDB47A00570BF3CD467C" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_F972E0F5D2D81305D4EA570BF3CD1E6A" xlink:to="loc_wrb_DebtSecuritiesPreviouslyImpairedMember_B7CFF559991BFDB47A00570BF3CD467C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember_EE04EF22179B214CFD91570BF3CD7645" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_F972E0F5D2D81305D4EA570BF3CD1E6A" xlink:to="loc_us-gaap_EquitySecuritiesMember_EE04EF22179B214CFD91570BF3CD7645" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestmentsMember" xlink:label="loc_us-gaap_EquityMethodInvestmentsMember_1FF21A33BE73B0F73AD4570BF3CD2B45" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_F972E0F5D2D81305D4EA570BF3CD1E6A" xlink:to="loc_us-gaap_EquityMethodInvestmentsMember_1FF21A33BE73B0F73AD4570BF3CD2B45" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherInvestmentsMember" xlink:label="loc_us-gaap_OtherInvestmentsMember_81FF4B834D4E09CBCB08570BF3D1B829" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_F972E0F5D2D81305D4EA570BF3CD1E6A" xlink:to="loc_us-gaap_OtherInvestmentsMember_81FF4B834D4E09CBCB08570BF3D1B829" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_BE5FCB9F657499911598570BF3D1BF15" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesTable_CAFA5F4C0F490FB7E7B5570BF3CDE878" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_BE5FCB9F657499911598570BF3D1BF15" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_22B05779E118DDF4A0C1570BF3D12667" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_BE5FCB9F657499911598570BF3D1BF15" xlink:to="loc_us-gaap_TypeOfAdoptionMember_22B05779E118DDF4A0C1570BF3D12667" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201601Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201601Member_78BDBBE4284DEC8DA252570BF3D15226" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfAdoptionMember_22B05779E118DDF4A0C1570BF3D12667" xlink:to="loc_us-gaap_AccountingStandardsUpdate201601Member_78BDBBE4284DEC8DA252570BF3D15226" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_A5FF648DCFB4BF7F9E34570BF3D1A39D" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesTable_CAFA5F4C0F490FB7E7B5570BF3CDE878" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_A5FF648DCFB4BF7F9E34570BF3D1A39D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_5251D2228AD654930E71570BF3D19DC8" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_A5FF648DCFB4BF7F9E34570BF3D1A39D" xlink:to="loc_us-gaap_EquityComponentDomain_5251D2228AD654930E71570BF3D19DC8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_D982FBBC0FF96957B649570BF3D1064E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_5251D2228AD654930E71570BF3D19DC8" xlink:to="loc_us-gaap_RetainedEarningsMember_D982FBBC0FF96957B649570BF3D1064E" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_RealizedandUnrealizedInvestmentGainsLossesLineItems" xlink:label="loc_wrb_RealizedandUnrealizedInvestmentGainsLossesLineItems_8A31535AF8431744FB34570BF3D180D6" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesTable_CAFA5F4C0F490FB7E7B5570BF3CDE878" xlink:to="loc_wrb_RealizedandUnrealizedInvestmentGainsLossesLineItems_8A31535AF8431744FB34570BF3D180D6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_5C4F41DE0F403CC5E10F570BF3D1E172" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedandUnrealizedInvestmentGainsLossesLineItems_8A31535AF8431744FB34570BF3D180D6" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_5C4F41DE0F403CC5E10F570BF3D1E172" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ChangeinUnrealizedGainlossonInvestmentstax" xlink:label="loc_wrb_ChangeinUnrealizedGainlossonInvestmentstax_1A244D8FC2C5E376C544570BF3D13D85" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedandUnrealizedInvestmentGainsLossesLineItems_8A31535AF8431744FB34570BF3D180D6" xlink:to="loc_wrb_ChangeinUnrealizedGainlossonInvestmentstax_1A244D8FC2C5E376C544570BF3D13D85" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ChangeinUnrealizedGainlossonInvestmentsIncludingPortionAttributabletoNoncontrollingInterest" xlink:label="loc_wrb_ChangeinUnrealizedGainlossonInvestmentsIncludingPortionAttributabletoNoncontrollingInterest_2F810251384E1035FAFE570BF3D17498" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedandUnrealizedInvestmentGainsLossesLineItems_8A31535AF8431744FB34570BF3D180D6" xlink:to="loc_wrb_ChangeinUnrealizedGainlossonInvestmentsIncludingPortionAttributabletoNoncontrollingInterest_2F810251384E1035FAFE570BF3D17498" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ChangeinUnrealizedGainlossonInvestmentsIncludingPortionAttributabletoNoncontrollingInterestNetofTax" xlink:label="loc_wrb_ChangeinUnrealizedGainlossonInvestmentsIncludingPortionAttributabletoNoncontrollingInterestNetofTax_EAA3A97C8A010CC64013570BF3D1F59D" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedandUnrealizedInvestmentGainsLossesLineItems_8A31535AF8431744FB34570BF3D180D6" xlink:to="loc_wrb_ChangeinUnrealizedGainlossonInvestmentsIncludingPortionAttributabletoNoncontrollingInterestNetofTax_EAA3A97C8A010CC64013570BF3D1F59D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" xlink:label="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_4DC5096750DCA4645D7D570BF3D1E7DC" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedandUnrealizedInvestmentGainsLossesLineItems_8A31535AF8431744FB34570BF3D180D6" xlink:to="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_4DC5096750DCA4645D7D570BF3D1E7DC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ImpairmentOfInvestments" xlink:label="loc_us-gaap_ImpairmentOfInvestments_59AAFEC995470872DF14570BF3D13DA4" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedandUnrealizedInvestmentGainsLossesLineItems_8A31535AF8431744FB34570BF3D180D6" xlink:to="loc_us-gaap_ImpairmentOfInvestments_59AAFEC995470872DF14570BF3D13DA4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption" xlink:label="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_9C8254ECFA212A0D422B570BF3D14D8F" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedandUnrealizedInvestmentGainsLossesLineItems_8A31535AF8431744FB34570BF3D180D6" xlink:to="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_9C8254ECFA212A0D422B570BF3D14D8F" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/RealizedAndUnrealizedInvestmentGainsAndLossesRealizedAndUnrealizedInvestmentGainsLossesDetails" xlink:type="extended">
<link:loc xlink:href="wrb-20191231.xsd#wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract" xlink:label="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_AvailableforSaleandHeldtoMaturityRealizedGainsDebtSecuritiesExcludingOtherthanTemporaryImpairmentsandAllowances" xlink:label="loc_wrb_AvailableforSaleandHeldtoMaturityRealizedGainsDebtSecuritiesExcludingOtherthanTemporaryImpairmentsandAllowances_CB539C4C680A26ECA0B8558165098F2C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:to="loc_wrb_AvailableforSaleandHeldtoMaturityRealizedGainsDebtSecuritiesExcludingOtherthanTemporaryImpairmentsandAllowances_CB539C4C680A26ECA0B8558165098F2C" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_AvailableforSaleandHeldtoMaturityRealizedLossesDebtSecuritiesExcludingOtherthanTemporaryImpairmentsandAllowances" xlink:label="loc_wrb_AvailableforSaleandHeldtoMaturityRealizedLossesDebtSecuritiesExcludingOtherthanTemporaryImpairmentsandAllowances_54195F06EB5BC2E366A755816509C7A5" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:to="loc_wrb_AvailableforSaleandHeldtoMaturityRealizedLossesDebtSecuritiesExcludingOtherthanTemporaryImpairmentsandAllowances_54195F06EB5BC2E366A755816509C7A5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiRealizedGain" xlink:label="loc_us-gaap_EquitySecuritiesFvNiRealizedGain_91B9475CC7E475BBAA2B5581650ADCEE" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:to="loc_us-gaap_EquitySecuritiesFvNiRealizedGain_91B9475CC7E475BBAA2B5581650ADCEE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiUnrealizedGainLoss" xlink:label="loc_us-gaap_EquitySecuritiesFvNiUnrealizedGainLoss_66717CC1172D70D3EAA55581650A4FCA" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:to="loc_us-gaap_EquitySecuritiesFvNiUnrealizedGainLoss_66717CC1172D70D3EAA55581650A4FCA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" xlink:label="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_59BEA7BB51A488CB15285581650ADDB3" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:to="loc_us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal_59BEA7BB51A488CB15285581650ADDB3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnSaleOfProperties" xlink:label="loc_us-gaap_GainLossOnSaleOfProperties_ECCDCECA08689510444A5581650AA2A3" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:to="loc_us-gaap_GainLossOnSaleOfProperties_ECCDCECA08689510444A5581650AA2A3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnSaleOfLoansAndLeases" xlink:label="loc_us-gaap_GainLossOnSaleOfLoansAndLeases_0E4849E78078624C58255581650A02E5" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:to="loc_us-gaap_GainLossOnSaleOfLoansAndLeases_0E4849E78078624C58255581650A02E5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnSaleOfOtherInvestments" xlink:label="loc_us-gaap_GainLossOnSaleOfOtherInvestments_D7D5B49581AC9369A85E5581650AE7EF" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:to="loc_us-gaap_GainLossOnSaleOfOtherInvestments_D7D5B49581AC9369A85E5581650AE7EF" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_RealizedGainLossonInvestmentsIncludingEquityMethodInvestmentsExcludingOtherthanTemporaryImpairmentsandAllowances" xlink:label="loc_wrb_RealizedGainLossonInvestmentsIncludingEquityMethodInvestmentsExcludingOtherthanTemporaryImpairmentsandAllowances_6D67DDD03173D0FA0EF75581650B6597" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:to="loc_wrb_RealizedGainLossonInvestmentsIncludingEquityMethodInvestmentsExcludingOtherthanTemporaryImpairmentsandAllowances_6D67DDD03173D0FA0EF75581650B6597" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ImpairmentOfInvestments" xlink:label="loc_us-gaap_ImpairmentOfInvestments_7A4A75F2E591E7A7A8CA5581650B178D" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:to="loc_us-gaap_ImpairmentOfInvestments_7A4A75F2E591E7A7A8CA5581650B178D" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_RealizedGainLossonMarketableSecuritiesEquityMethodInvestmentsandOtherInvestmentsBeforeTax" xlink:label="loc_wrb_RealizedGainLossonMarketableSecuritiesEquityMethodInvestmentsandOtherInvestmentsBeforeTax_4CC3D1776036ED4A4FAB5581650B18D3" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:to="loc_wrb_RealizedGainLossonMarketableSecuritiesEquityMethodInvestmentsandOtherInvestmentsBeforeTax_4CC3D1776036ED4A4FAB5581650B18D3" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_RealizedGainLossonMarketableSecuritiesEquityMethodInvestmentsandOtherInvestmentsTax" xlink:label="loc_wrb_RealizedGainLossonMarketableSecuritiesEquityMethodInvestmentsandOtherInvestmentsTax_37741D43687FEF5010A95581650B113D" xlink:type="locator"/>
<link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:to="loc_wrb_RealizedGainLossonMarketableSecuritiesEquityMethodInvestmentsandOtherInvestmentsTax_37741D43687FEF5010A95581650B113D" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_RealizedGainLossonMarketableSecuritiesEquityMethodInvestmentsandOtherInvestmentsNetofTax" xlink:label="loc_wrb_RealizedGainLossonMarketableSecuritiesEquityMethodInvestmentsandOtherInvestmentsNetofTax_E865B8CA2CBCCAA8A4C75581650B0673" xlink:type="locator"/>
<link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_32FCD535B9A87F62192355816509550F" xlink:to="loc_wrb_RealizedGainLossonMarketableSecuritiesEquityMethodInvestmentsandOtherInvestmentsNetofTax_E865B8CA2CBCCAA8A4C75581650B0673" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/RealizedAndUnrealizedInvestmentGainsAndLossesTables" xlink:type="extended">
<link:loc xlink:href="wrb-20191231.xsd#wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract" xlink:label="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_863FD76B56017695947AEBC16A42B781" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RealizedGainLossOnInvestmentsTableTextBlock" xlink:label="loc_us-gaap_RealizedGainLossOnInvestmentsTableTextBlock_35BFCB9C78FB602E7F4BEBC16A435162" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_863FD76B56017695947AEBC16A42B781" xlink:to="loc_us-gaap_RealizedGainLossOnInvestmentsTableTextBlock_35BFCB9C78FB602E7F4BEBC16A435162" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock" xlink:label="loc_us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock_5DDEBA9CB8E5B8A64A5DEBC16A4352B8" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_RealizedAndUnrealizedInvestmentGainsLossesAbstract_863FD76B56017695947AEBC16A42B781" xlink:to="loc_us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock_5DDEBA9CB8E5B8A64A5DEBC16A4352B8" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/Reinsurance" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceDisclosuresAbstract" xlink:label="loc_us-gaap_ReinsuranceDisclosuresAbstract_11D66CBFF99203FF24AEEBC1694EB24F" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceTextBlock" xlink:label="loc_us-gaap_ReinsuranceTextBlock_7488D9089D04A4567E34EBC1694E100C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_11D66CBFF99203FF24AEEBC1694EB24F" xlink:to="loc_us-gaap_ReinsuranceTextBlock_7488D9089D04A4567E34EBC1694E100C" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ReinsuranceReinsuranceFinancialInformationDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceDisclosuresAbstract" xlink:label="loc_us-gaap_ReinsuranceDisclosuresAbstract_8F776E7CEC2C998EE1AAEBC16B494B4F" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DirectPremiumsWritten" xlink:label="loc_us-gaap_DirectPremiumsWritten_5BA6BFE21C1A718FE3C1EBC16B4AEFA8" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_8F776E7CEC2C998EE1AAEBC16B494B4F" xlink:to="loc_us-gaap_DirectPremiumsWritten_5BA6BFE21C1A718FE3C1EBC16B4AEFA8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssumedPremiumsWritten" xlink:label="loc_us-gaap_AssumedPremiumsWritten_53596ABEBB094A7B9186EBC16B4A4256" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_8F776E7CEC2C998EE1AAEBC16B494B4F" xlink:to="loc_us-gaap_AssumedPremiumsWritten_53596ABEBB094A7B9186EBC16B4A4256" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CededPremiumsWritten" xlink:label="loc_us-gaap_CededPremiumsWritten_CFBE06400B396DE7601FEBC16B4ADA53" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_8F776E7CEC2C998EE1AAEBC16B494B4F" xlink:to="loc_us-gaap_CededPremiumsWritten_CFBE06400B396DE7601FEBC16B4ADA53" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsWrittenNet" xlink:label="loc_us-gaap_PremiumsWrittenNet_29CEDF4053E0AA203D3BEBC16B4B4757" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_8F776E7CEC2C998EE1AAEBC16B494B4F" xlink:to="loc_us-gaap_PremiumsWrittenNet_29CEDF4053E0AA203D3BEBC16B4B4757" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DirectPremiumsEarned" xlink:label="loc_us-gaap_DirectPremiumsEarned_093821EBE16149445595EBC16B4B395D" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_8F776E7CEC2C998EE1AAEBC16B494B4F" xlink:to="loc_us-gaap_DirectPremiumsEarned_093821EBE16149445595EBC16B4B395D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssumedPremiumsEarned" xlink:label="loc_us-gaap_AssumedPremiumsEarned_19F06BC7F616FFCED593EBC16B4BC1B3" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_8F776E7CEC2C998EE1AAEBC16B494B4F" xlink:to="loc_us-gaap_AssumedPremiumsEarned_19F06BC7F616FFCED593EBC16B4BC1B3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CededPremiumsEarned" xlink:label="loc_us-gaap_CededPremiumsEarned_F6233DA0414548F544D8EBC16B4BF2D4" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_8F776E7CEC2C998EE1AAEBC16B494B4F" xlink:to="loc_us-gaap_CededPremiumsEarned_F6233DA0414548F544D8EBC16B4BF2D4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsEarnedNet" xlink:label="loc_us-gaap_PremiumsEarnedNet_B8035E59289D843AB498EBC16B4C3D54" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_8F776E7CEC2C998EE1AAEBC16B494B4F" xlink:to="loc_us-gaap_PremiumsEarnedNet_B8035E59289D843AB498EBC16B4C3D54" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded" xlink:label="loc_us-gaap_ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded_E90BF9120BCB37BD8229EBC16B4C9BE8" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_8F776E7CEC2C998EE1AAEBC16B494B4F" xlink:to="loc_us-gaap_ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded_E90BF9120BCB37BD8229EBC16B4C9BE8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_8666E907122FA429B1AAEBC16B4CFA16" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_8F776E7CEC2C998EE1AAEBC16B494B4F" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_8666E907122FA429B1AAEBC16B4CFA16" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceRecoverablesAllowance" xlink:label="loc_us-gaap_ReinsuranceRecoverablesAllowance_EF7B56437ECD02F53CF3EBC16B4C1FC5" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_8F776E7CEC2C998EE1AAEBC16B494B4F" xlink:to="loc_us-gaap_ReinsuranceRecoverablesAllowance_EF7B56437ECD02F53CF3EBC16B4C1FC5" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ReinsuranceScheduleOfCededCreditRiskByReinsurerDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceDisclosuresAbstract" xlink:label="loc_us-gaap_ReinsuranceDisclosuresAbstract_5DC79CE77DF6FE5B3BA95AA1B5415ED1" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CededCreditRiskTable" xlink:label="loc_us-gaap_CededCreditRiskTable_38D32122874193664A2B5AA1B543518C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_5DC79CE77DF6FE5B3BA95AA1B5415ED1" xlink:to="loc_us-gaap_CededCreditRiskTable_38D32122874193664A2B5AA1B543518C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CededCreditRiskAxis" xlink:label="loc_us-gaap_CededCreditRiskAxis_35D8E0DEB4A162247DB25AA1B544A7CB" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CededCreditRiskTable_38D32122874193664A2B5AA1B543518C" xlink:to="loc_us-gaap_CededCreditRiskAxis_35D8E0DEB4A162247DB25AA1B544A7CB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CededCreditRiskReinsurerDomain" xlink:label="loc_us-gaap_CededCreditRiskReinsurerDomain_CAD529C7DB225BEBBCCF5AA1B545885C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CededCreditRiskAxis_35D8E0DEB4A162247DB25AA1B544A7CB" xlink:to="loc_us-gaap_CededCreditRiskReinsurerDomain_CAD529C7DB225BEBBCCF5AA1B545885C" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember" xlink:label="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CededCreditRiskReinsurerDomain_CAD529C7DB225BEBBCCF5AA1B545885C" xlink:to="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MunichReMember" xlink:label="loc_wrb_MunichReMember_FBACABACC9A71477D4485AA1B5469655" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_MunichReMember_FBACABACC9A71477D4485AA1B5469655" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LloydsOfLondonMember" xlink:label="loc_wrb_LloydsOfLondonMember_F254CB3FEBEDDF40BAA25AA1B546B831" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_LloydsOfLondonMember_F254CB3FEBEDDF40BAA25AA1B546B831" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SwissReMember" xlink:label="loc_wrb_SwissReMember_C437D37E7787F61328BD5AA1B54785E9" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_SwissReMember_C437D37E7787F61328BD5AA1B54785E9" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_AlleghanyGroupMember" xlink:label="loc_wrb_AlleghanyGroupMember_C1D83AB30C9768E79EBD5AA1B5479595" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_AlleghanyGroupMember_C1D83AB30C9768E79EBD5AA1B5479595" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_PartnerReMember" xlink:label="loc_wrb_PartnerReMember_A30FF0C7EE5D54F6DAF05AA1B547BC54" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_PartnerReMember_A30FF0C7EE5D54F6DAF05AA1B547BC54" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_HannoverReGroupMember" xlink:label="loc_wrb_HannoverReGroupMember_CE15767163C181E33E365AA1B547C228" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_HannoverReGroupMember_CE15767163C181E33E365AA1B547C228" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_AxisCapitalMember" xlink:label="loc_wrb_AxisCapitalMember_5CE30ECE7661760F2D4C5AA1B54853E7" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_AxisCapitalMember_5CE30ECE7661760F2D4C5AA1B54853E7" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_BerkshireHathawayMember" xlink:label="loc_wrb_BerkshireHathawayMember_87D9587DF2776C1D623D5AA1B548231E" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_BerkshireHathawayMember_87D9587DF2776C1D623D5AA1B548231E" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_RenaissanceReMember" xlink:label="loc_wrb_RenaissanceReMember_035488BD13CFABCE59265AA1B5480D43" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_RenaissanceReMember_035488BD13CFABCE59265AA1B5480D43" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_KoreanReMember" xlink:label="loc_wrb_KoreanReMember_3C73EF19645031B1A8065AA1B5484815" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_KoreanReMember_3C73EF19645031B1A8065AA1B5484815" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_EverestReMemberMember" xlink:label="loc_wrb_EverestReMemberMember_99E08D624C1B02E95F0C5AA1B548AA20" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_EverestReMemberMember_99E08D624C1B02E95F0C5AA1B548AA20" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LibertyMutualMember" xlink:label="loc_wrb_LibertyMutualMember_2C64E8240AD8311663995AA1B548DC94" xlink:type="locator"/>
<link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_LibertyMutualMember_2C64E8240AD8311663995AA1B548DC94" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ArchCapitalGroupMember" xlink:label="loc_wrb_ArchCapitalGroupMember_10C0EBD02D1AABD393655AA1B5494E18" xlink:type="locator"/>
<link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_ArchCapitalGroupMember_10C0EBD02D1AABD393655AA1B5494E18" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_QatarReGRPMember" xlink:label="loc_wrb_QatarReGRPMember_FF2384C1DCC1BB941F0E5AA1B5493DEC" xlink:type="locator"/>
<link:presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_QatarReGRPMember_FF2384C1DCC1BB941F0E5AA1B5493DEC" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ChubbLtd.Member" xlink:label="loc_wrb_ChubbLtd.Member_CB9C52DE971200636F905AA1B549C409" xlink:type="locator"/>
<link:presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_ChubbLtd.Member_CB9C52DE971200636F905AA1B549C409" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_OtherReinsurersMember" xlink:label="loc_wrb_OtherReinsurersMember_6630F31A20698C6B192C5AA1B549936A" xlink:type="locator"/>
<link:presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_OtherReinsurersMember_6630F31A20698C6B192C5AA1B549936A" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ResidualMarketPoolsMember" xlink:label="loc_wrb_ResidualMarketPoolsMember_AA391605582C1C2937345AA1B5497BDB" xlink:type="locator"/>
<link:presentationArc order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CreditRiskReinsurersSubtotalExcludingResidualMarketPoolsMember_1E98ACCDD4D566D930825AA1B545D11F" xlink:to="loc_wrb_ResidualMarketPoolsMember_AA391605582C1C2937345AA1B5497BDB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CededCreditRiskLineItems" xlink:label="loc_us-gaap_CededCreditRiskLineItems_A131A26E7EC74BDD96475AA1B54A48A6" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CededCreditRiskTable_38D32122874193664A2B5AA1B543518C" xlink:to="loc_us-gaap_CededCreditRiskLineItems_A131A26E7EC74BDD96475AA1B54A48A6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceRecoverables" xlink:label="loc_us-gaap_ReinsuranceRecoverables_5F5BDC6ABA5C44C070445AA1B54A4A43" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CededCreditRiskLineItems_A131A26E7EC74BDD96475AA1B54A48A6" xlink:to="loc_us-gaap_ReinsuranceRecoverables_5F5BDC6ABA5C44C070445AA1B54A4A43" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ReinsuranceTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceDisclosuresAbstract" xlink:label="loc_us-gaap_ReinsuranceDisclosuresAbstract_361C32315760FD34B907EBC167E1ADAA" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectsOfReinsuranceTableTextBlock" xlink:label="loc_us-gaap_EffectsOfReinsuranceTableTextBlock_BDC53DA7F60EFD314B2DEBC167E2AA11" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_361C32315760FD34B907EBC167E1ADAA" xlink:to="loc_us-gaap_EffectsOfReinsuranceTableTextBlock_BDC53DA7F60EFD314B2DEBC167E2AA11" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfCededCreditRiskByReinsurerTextBlock" xlink:label="loc_us-gaap_ScheduleOfCededCreditRiskByReinsurerTextBlock_605BE4DB5B2A3E5A1B00EBC167E2FBD9" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReinsuranceDisclosuresAbstract_361C32315760FD34B907EBC167E1ADAA" xlink:to="loc_us-gaap_ScheduleOfCededCreditRiskByReinsurerTextBlock_605BE4DB5B2A3E5A1B00EBC167E2FBD9" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ReservesForLossesAndLossExpenses" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceAbstract" xlink:label="loc_us-gaap_InsuranceAbstract_3F7FE5BFB55845FE2216EBC16787A83C" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsDisclosureTextBlock" xlink:label="loc_us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsDisclosureTextBlock_12DAD99DB3762ABCAA3FEBC167876975" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_3F7FE5BFB55845FE2216EBC16787A83C" xlink:to="loc_us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsDisclosureTextBlock_12DAD99DB3762ABCAA3FEBC167876975" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ReservesForLossesAndLossExpensesLossAndLossExpensesIncurredNetOfReinsuranceAndCumulativePaidClaimsAndClaimAdjustmentExpensesNetOfReinsuranceDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceAbstract" xlink:label="loc_us-gaap_InsuranceAbstract_5A72A88189C811B4E0D55633ED8D29DF" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTable" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTable_2D09A558E5F956FCD91A5633ED8D11E0" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_5A72A88189C811B4E0D55633ED8D29DF" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTable_2D09A558E5F956FCD91A5633ED8D11E0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYearAxis" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearAxis_6FD6DC04FD677A988CAB5633ED8D1306" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTable_2D09A558E5F956FCD91A5633ED8D11E0" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearAxis_6FD6DC04FD677A988CAB5633ED8D1306" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYearDomain" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_B12BC077AEE760B71A455633ED8E44A1" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearAxis_6FD6DC04FD677A988CAB5633ED8D1306" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_B12BC077AEE760B71A455633ED8E44A1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2010Member" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2010Member_E606486735137E8364EF5633ED93CA11" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_B12BC077AEE760B71A455633ED8E44A1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2010Member_E606486735137E8364EF5633ED93CA11" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2011Member" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2011Member_93185DFF105CC1933C4F5633ED9428B7" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_B12BC077AEE760B71A455633ED8E44A1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2011Member_93185DFF105CC1933C4F5633ED9428B7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2012Member" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2012Member_E2FCAB58A0845075B95E5633ED941FC1" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_B12BC077AEE760B71A455633ED8E44A1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2012Member_E2FCAB58A0845075B95E5633ED941FC1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2013Member" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2013Member_DABE59D9DB3558B48BA75633ED943E09" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_B12BC077AEE760B71A455633ED8E44A1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2013Member_DABE59D9DB3558B48BA75633ED943E09" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2014Member" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2014Member_A6554ABA0CF7CDD44A285633ED94ACF2" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_B12BC077AEE760B71A455633ED8E44A1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2014Member_A6554ABA0CF7CDD44A285633ED94ACF2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2015Member" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2015Member_E2A29B6F5220E4E17F605633ED9581F5" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_B12BC077AEE760B71A455633ED8E44A1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2015Member_E2A29B6F5220E4E17F605633ED9581F5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2016Member" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2016Member_74EE15142280A19D2AE25633ED95DFF0" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_B12BC077AEE760B71A455633ED8E44A1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsAccidentYear2016Member_74EE15142280A19D2AE25633ED95DFF0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortDurationInsuranceContractsAccidentYear2017Member" xlink:label="loc_us-gaap_ShortDurationInsuranceContractsAccidentYear2017Member_B6774A4B5E0399DADA0E5633ED9537FF" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_B12BC077AEE760B71A455633ED8E44A1" xlink:to="loc_us-gaap_ShortDurationInsuranceContractsAccidentYear2017Member_B6774A4B5E0399DADA0E5633ED9537FF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortDurationInsuranceContractsAccidentYear2018Member" xlink:label="loc_us-gaap_ShortDurationInsuranceContractsAccidentYear2018Member_7799A9EA961595486CC65633ED95E23D" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_B12BC077AEE760B71A455633ED8E44A1" xlink:to="loc_us-gaap_ShortDurationInsuranceContractsAccidentYear2018Member_7799A9EA961595486CC65633ED95E23D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortDurationInsuranceContractAccidentYear2019Member" xlink:label="loc_us-gaap_ShortDurationInsuranceContractAccidentYear2019Member_436ED28FF1D56B9525A45633ED965789" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_B12BC077AEE760B71A455633ED8E44A1" xlink:to="loc_us-gaap_ShortDurationInsuranceContractAccidentYear2019Member_436ED28FF1D56B9525A45633ED965789" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_925360C50CFECDF1CB9B5633ED96A8A3" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTable_2D09A558E5F956FCD91A5633ED8D11E0" xlink:to="loc_srt_ProductOrServiceAxis_925360C50CFECDF1CB9B5633ED96A8A3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_26A2F167A9228E4BD7295633ED962F94" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_925360C50CFECDF1CB9B5633ED96A8A3" xlink:to="loc_srt_ProductsAndServicesDomain_26A2F167A9228E4BD7295633ED962F94" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_OtherLiabilityInsuranceProductLineMember" xlink:label="loc_wrb_OtherLiabilityInsuranceProductLineMember_C312F29C5BEC26A7BFE95633ED97111C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_26A2F167A9228E4BD7295633ED962F94" xlink:to="loc_wrb_OtherLiabilityInsuranceProductLineMember_C312F29C5BEC26A7BFE95633ED97111C" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_WorkersCompensationInsuranceProductLineMember" xlink:label="loc_wrb_WorkersCompensationInsuranceProductLineMember_054593A18A10A62A46945633ED9780AB" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_26A2F167A9228E4BD7295633ED962F94" xlink:to="loc_wrb_WorkersCompensationInsuranceProductLineMember_054593A18A10A62A46945633ED9780AB" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ProfessionalLiabilityInsuranceProductLineMember" xlink:label="loc_wrb_ProfessionalLiabilityInsuranceProductLineMember_AED7EABDDEEA73D4EF215633ED9776F2" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_26A2F167A9228E4BD7295633ED962F94" xlink:to="loc_wrb_ProfessionalLiabilityInsuranceProductLineMember_AED7EABDDEEA73D4EF215633ED9776F2" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CommercialAutomobileInsuranceProductLineMember" xlink:label="loc_wrb_CommercialAutomobileInsuranceProductLineMember_5F75CF0C466A3262579B5633ED97AEA2" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_26A2F167A9228E4BD7295633ED962F94" xlink:to="loc_wrb_CommercialAutomobileInsuranceProductLineMember_5F75CF0C466A3262579B5633ED97AEA2" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ShorttailInsuranceProductLineMember" xlink:label="loc_wrb_ShorttailInsuranceProductLineMember_7B34F3272772EE0CE02B5633ED98A7D6" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_26A2F167A9228E4BD7295633ED962F94" xlink:to="loc_wrb_ShorttailInsuranceProductLineMember_7B34F3272772EE0CE02B5633ED98A7D6" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CasualtyInsuranceProductLineMember" xlink:label="loc_wrb_CasualtyInsuranceProductLineMember_02C4158BABB6D7DE91B05633ED987E1D" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_26A2F167A9228E4BD7295633ED962F94" xlink:to="loc_wrb_CasualtyInsuranceProductLineMember_02C4158BABB6D7DE91B05633ED987E1D" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MonolineExcessProductLineMember" xlink:label="loc_wrb_MonolineExcessProductLineMember_D8A890A8CB75EE8332115633ED982601" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_26A2F167A9228E4BD7295633ED962F94" xlink:to="loc_wrb_MonolineExcessProductLineMember_D8A890A8CB75EE8332115633ED982601" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyInsuranceProductLineMember" xlink:label="loc_us-gaap_PropertyInsuranceProductLineMember_56D4687FB26AE9D981E95633ED98F463" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_26A2F167A9228E4BD7295633ED962F94" xlink:to="loc_us-gaap_PropertyInsuranceProductLineMember_56D4687FB26AE9D981E95633ED98F463" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClaimsDevelopmentLineItems" xlink:label="loc_us-gaap_ClaimsDevelopmentLineItems_CFD867DAED557569E4E95633ED98AC6B" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTable_2D09A558E5F956FCD91A5633ED8D11E0" xlink:to="loc_us-gaap_ClaimsDevelopmentLineItems_CFD867DAED557569E4E95633ED98AC6B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet_B9406FBF9C14086340CD5633ED982DB8" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClaimsDevelopmentLineItems_CFD867DAED557569E4E95633ED98AC6B" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet_B9406FBF9C14086340CD5633ED982DB8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet_1E3107EC90559E876A555633ED99D4C4" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClaimsDevelopmentLineItems_CFD867DAED557569E4E95633ED98AC6B" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet_1E3107EC90559E876A555633ED99D4C4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented_56D7644A9B86066446A35633ED996336" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClaimsDevelopmentLineItems_CFD867DAED557569E4E95633ED98AC6B" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented_56D7644A9B86066446A35633ED996336" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet_EFE55888AD58B9D3792C5633ED99B25E" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClaimsDevelopmentLineItems_CFD867DAED557569E4E95633ED98AC6B" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet_EFE55888AD58B9D3792C5633ED99B25E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet_1A0BAAD63F18A8E9C26F5633ED998ECF" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClaimsDevelopmentLineItems_CFD867DAED557569E4E95633ED98AC6B" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet_1A0BAAD63F18A8E9C26F5633ED998ECF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims_F3C887581D633B506EDB5633ED994370" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClaimsDevelopmentLineItems_CFD867DAED557569E4E95633ED98AC6B" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims_F3C887581D633B506EDB5633ED994370" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ReservesForLossesAndLossExpensesNarrativeDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceAbstract" xlink:label="loc_us-gaap_InsuranceAbstract_62DC198CEC1C8A9C1DEE5633ED1BB380" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReservesForLossesAndLossExpensesTable" xlink:label="loc_wrb_ReservesForLossesAndLossExpensesTable_3DBC142A17292CA6CAA45633ED1B1F61" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_62DC198CEC1C8A9C1DEE5633ED1BB380" xlink:to="loc_wrb_ReservesForLossesAndLossExpensesTable_3DBC142A17292CA6CAA45633ED1B1F61" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_5C2DD1190CD9BEBFEF095633ED1C1288" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesTable_3DBC142A17292CA6CAA45633ED1B1F61" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_5C2DD1190CD9BEBFEF095633ED1C1288" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_63F3CA314A32AC4F86FD5633ED1C3D7A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5C2DD1190CD9BEBFEF095633ED1C1288" xlink:to="loc_us-gaap_SegmentDomain_63F3CA314A32AC4F86FD5633ED1C3D7A" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_InsuranceDomesticSegmentMember" xlink:label="loc_wrb_InsuranceDomesticSegmentMember_C156A1FB7B42F767670C5633ED1CDE57" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_63F3CA314A32AC4F86FD5633ED1C3D7A" xlink:to="loc_wrb_InsuranceDomesticSegmentMember_C156A1FB7B42F767670C5633ED1CDE57" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReinsuranceandMonolineExcessSegmentMember" xlink:label="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_CDCF50A167298BA5C4555633ED1DA4CD" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_63F3CA314A32AC4F86FD5633ED1C3D7A" xlink:to="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_CDCF50A167298BA5C4555633ED1DA4CD" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_WorkersCompensationMember" xlink:label="loc_wrb_WorkersCompensationMember_DCA57064DB6A5ED69A0D5633ED1D9B2A" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_63F3CA314A32AC4F86FD5633ED1C3D7A" xlink:to="loc_wrb_WorkersCompensationMember_DCA57064DB6A5ED69A0D5633ED1D9B2A" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ExcessWorkersCompensationInsuranceProductLineMember" xlink:label="loc_wrb_ExcessWorkersCompensationInsuranceProductLineMember_37D476C8BF6DC0F586E55633ED1DEB65" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_63F3CA314A32AC4F86FD5633ED1C3D7A" xlink:to="loc_wrb_ExcessWorkersCompensationInsuranceProductLineMember_37D476C8BF6DC0F586E55633ED1DEB65" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_EFDB4C1DF5127C63BA045633ED1D9326" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesTable_3DBC142A17292CA6CAA45633ED1B1F61" xlink:to="loc_srt_ProductOrServiceAxis_EFDB4C1DF5127C63BA045633ED1D9326" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_052C92EAB544B399E8605633ED1D5F90" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_EFDB4C1DF5127C63BA045633ED1D9326" xlink:to="loc_srt_ProductsAndServicesDomain_052C92EAB544B399E8605633ED1D5F90" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherInsuranceProductLineMember" xlink:label="loc_us-gaap_OtherInsuranceProductLineMember_8F15DC6B91FECE34E8915633ED1E9662" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_052C92EAB544B399E8605633ED1D5F90" xlink:to="loc_us-gaap_OtherInsuranceProductLineMember_8F15DC6B91FECE34E8915633ED1E9662" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CommercialAutomobileInsuranceProductLineMember" xlink:label="loc_wrb_CommercialAutomobileInsuranceProductLineMember_A53B624ED22EC4FF74D35633ED1E9DA3" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_052C92EAB544B399E8605633ED1D5F90" xlink:to="loc_wrb_CommercialAutomobileInsuranceProductLineMember_A53B624ED22EC4FF74D35633ED1E9DA3" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CommutationAgreementWorkersCompensationReservesAxis" xlink:label="loc_wrb_CommutationAgreementWorkersCompensationReservesAxis_7C88728B02678F6557535633ED1EEEED" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesTable_3DBC142A17292CA6CAA45633ED1B1F61" xlink:to="loc_wrb_CommutationAgreementWorkersCompensationReservesAxis_7C88728B02678F6557535633ED1EEEED" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CommutationAgreementWorkersCompensationReservesDomain" xlink:label="loc_wrb_CommutationAgreementWorkersCompensationReservesDomain_D8B0DF4FE6DBE7DBCD975633ED1E0248" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CommutationAgreementWorkersCompensationReservesAxis_7C88728B02678F6557535633ED1EEEED" xlink:to="loc_wrb_CommutationAgreementWorkersCompensationReservesDomain_D8B0DF4FE6DBE7DBCD975633ED1E0248" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DiscountedMember" xlink:label="loc_wrb_DiscountedMember_91F694C3FF87317DA1AF5633ED1E1873" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CommutationAgreementWorkersCompensationReservesDomain_D8B0DF4FE6DBE7DBCD975633ED1E0248" xlink:to="loc_wrb_DiscountedMember_91F694C3FF87317DA1AF5633ED1E1873" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_2D2C1DD35C09EF6820BE5633ED1F2917" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesTable_3DBC142A17292CA6CAA45633ED1B1F61" xlink:to="loc_srt_RangeAxis_2D2C1DD35C09EF6820BE5633ED1F2917" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_E4F741FBF313EA3963165633ED1F0EAD" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_2D2C1DD35C09EF6820BE5633ED1F2917" xlink:to="loc_srt_RangeMember_E4F741FBF313EA3963165633ED1F0EAD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_C9A70A6616FBE5C77D4F5633ED1F7784" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_E4F741FBF313EA3963165633ED1F0EAD" xlink:to="loc_srt_MinimumMember_C9A70A6616FBE5C77D4F5633ED1F7784" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_BD113B39DB424F5814355633ED1F2280" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_E4F741FBF313EA3963165633ED1F0EAD" xlink:to="loc_srt_MaximumMember_BD113B39DB424F5814355633ED1F2280" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_WeightedAverageMember" xlink:label="loc_srt_WeightedAverageMember_043986D5DE5AB1F949E15633ED201708" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_E4F741FBF313EA3963165633ED1F0EAD" xlink:to="loc_srt_WeightedAverageMember_043986D5DE5AB1F949E15633ED201708" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReservesForLossesAndLossExpensesLineItems" xlink:label="loc_wrb_ReservesForLossesAndLossExpensesLineItems_42652F5A7F64A2EEDF7A5633ED201605" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesTable_3DBC142A17292CA6CAA45633ED1B1F61" xlink:to="loc_wrb_ReservesForLossesAndLossExpensesLineItems_42652F5A7F64A2EEDF7A5633ED201605" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_FavorableReserveDevelopmentNetOfPremiumOffsets" xlink:label="loc_wrb_FavorableReserveDevelopmentNetOfPremiumOffsets_D2C973116584544F28805633ED2121AE" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesLineItems_42652F5A7F64A2EEDF7A5633ED201605" xlink:to="loc_wrb_FavorableReserveDevelopmentNetOfPremiumOffsets_D2C973116584544F28805633ED2121AE" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_UnfavorableReserveDevelopmentNetOfPremiumOffsets" xlink:label="loc_wrb_UnfavorableReserveDevelopmentNetOfPremiumOffsets_C7640C0E8586F8F8F1CB5633ED218D7A" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesLineItems_42652F5A7F64A2EEDF7A5633ED201605" xlink:to="loc_wrb_UnfavorableReserveDevelopmentNetOfPremiumOffsets_C7640C0E8586F8F8F1CB5633ED218D7A" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReinsuranceReservesOgdenDiscountRate" xlink:label="loc_wrb_ReinsuranceReservesOgdenDiscountRate_B4C5CFC98561AE6821D15633ED2164BE" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesLineItems_42652F5A7F64A2EEDF7A5633ED201605" xlink:to="loc_wrb_ReinsuranceReservesOgdenDiscountRate_B4C5CFC98561AE6821D15633ED2164BE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNet" xlink:label="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNet_B79A74615367E8749C775633ED212AA0" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesLineItems_42652F5A7F64A2EEDF7A5633ED201605" xlink:to="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNet_B79A74615367E8749C775633ED212AA0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WorkersCompensationDiscountAmount" xlink:label="loc_us-gaap_WorkersCompensationDiscountAmount_224D108229FEB223048D5633ED2036FF" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesLineItems_42652F5A7F64A2EEDF7A5633ED201605" xlink:to="loc_us-gaap_WorkersCompensationDiscountAmount_224D108229FEB223048D5633ED2036FF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WorkersCompensationDiscountPriorYearAmount" xlink:label="loc_us-gaap_WorkersCompensationDiscountPriorYearAmount_0F412CB0C6B50F099B135633ED20BF87" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesLineItems_42652F5A7F64A2EEDF7A5633ED201605" xlink:to="loc_us-gaap_WorkersCompensationDiscountPriorYearAmount_0F412CB0C6B50F099B135633ED20BF87" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1_66613350E5EB952249FC5633ED2082DD" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesLineItems_42652F5A7F64A2EEDF7A5633ED201605" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1_66613350E5EB952249FC5633ED2082DD" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_WorkersCompensationDiscountAfterEffectsOfCededReinsuranceAmount" xlink:label="loc_wrb_WorkersCompensationDiscountAfterEffectsOfCededReinsuranceAmount_AA42C6E1DA43472EFF805633ED21A4F1" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesLineItems_42652F5A7F64A2EEDF7A5633ED201605" xlink:to="loc_wrb_WorkersCompensationDiscountAfterEffectsOfCededReinsuranceAmount_AA42C6E1DA43472EFF805633ED21A4F1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WorkersCompensationDiscountPercent" xlink:label="loc_us-gaap_WorkersCompensationDiscountPercent_C2D4483DA8E9EE4070A95633ED214195" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesLineItems_42652F5A7F64A2EEDF7A5633ED201605" xlink:to="loc_us-gaap_WorkersCompensationDiscountPercent_C2D4483DA8E9EE4070A95633ED214195" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ReservesForLossesAndLossExpensesReconciliationOfNetIncurredAndPaidClaimsDevelopmentToReservesForLossAndLossAdjustmentExpensesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceAbstract" xlink:label="loc_us-gaap_InsuranceAbstract_C57F6C5C9A6E949EBD475633ED61FFF7" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTable" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTable_11E37CADDB94873398C05633ED61A779" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_C57F6C5C9A6E949EBD475633ED61FFF7" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTable_11E37CADDB94873398C05633ED61A779" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_393D6BB7B556D93C10365633ED620A8F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTable_11E37CADDB94873398C05633ED61A779" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_393D6BB7B556D93C10365633ED620A8F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_BE554603A6F0A6BC16435633ED623B47" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_393D6BB7B556D93C10365633ED620A8F" xlink:to="loc_us-gaap_SegmentDomain_BE554603A6F0A6BC16435633ED623B47" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_InsuranceSegmentMember" xlink:label="loc_wrb_InsuranceSegmentMember_E6155C3540D0D1EAD5775633ED629EAD" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_BE554603A6F0A6BC16435633ED623B47" xlink:to="loc_wrb_InsuranceSegmentMember_E6155C3540D0D1EAD5775633ED629EAD" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReinsuranceandMonolineExcessSegmentMember" xlink:label="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_40851B7922D348D6D361563CFBF2BE48" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_BE554603A6F0A6BC16435633ED623B47" xlink:to="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_40851B7922D348D6D361563CFBF2BE48" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_DD9D9DD0BE7725C2B7405633ED6366A7" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTable_11E37CADDB94873398C05633ED61A779" xlink:to="loc_srt_ProductOrServiceAxis_DD9D9DD0BE7725C2B7405633ED6366A7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_6C4C08F494188DB7685F5633ED63DC63" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_DD9D9DD0BE7725C2B7405633ED6366A7" xlink:to="loc_srt_ProductsAndServicesDomain_6C4C08F494188DB7685F5633ED63DC63" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_OtherLiabilityInsuranceProductLineMember" xlink:label="loc_wrb_OtherLiabilityInsuranceProductLineMember_78EAD672425F5D2968CE5633ED63D535" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_6C4C08F494188DB7685F5633ED63DC63" xlink:to="loc_wrb_OtherLiabilityInsuranceProductLineMember_78EAD672425F5D2968CE5633ED63D535" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_WorkersCompensationInsuranceProductLineMember" xlink:label="loc_wrb_WorkersCompensationInsuranceProductLineMember_160767EA14DE7DAAC4135633ED64A383" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_6C4C08F494188DB7685F5633ED63DC63" xlink:to="loc_wrb_WorkersCompensationInsuranceProductLineMember_160767EA14DE7DAAC4135633ED64A383" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ProfessionalLiabilityInsuranceProductLineMember" xlink:label="loc_wrb_ProfessionalLiabilityInsuranceProductLineMember_8C43F2025E04EC4803D75633ED644DA4" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_6C4C08F494188DB7685F5633ED63DC63" xlink:to="loc_wrb_ProfessionalLiabilityInsuranceProductLineMember_8C43F2025E04EC4803D75633ED644DA4" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CommercialAutomobileInsuranceProductLineMember" xlink:label="loc_wrb_CommercialAutomobileInsuranceProductLineMember_30E197A2334C833BC0F75633ED64CE3C" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_6C4C08F494188DB7685F5633ED63DC63" xlink:to="loc_wrb_CommercialAutomobileInsuranceProductLineMember_30E197A2334C833BC0F75633ED64CE3C" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ShorttailInsuranceProductLineMember" xlink:label="loc_wrb_ShorttailInsuranceProductLineMember_552A1130DA3D1E878BE75633ED64AD79" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_6C4C08F494188DB7685F5633ED63DC63" xlink:to="loc_wrb_ShorttailInsuranceProductLineMember_552A1130DA3D1E878BE75633ED64AD79" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherInsuranceProductLineMember" xlink:label="loc_us-gaap_OtherInsuranceProductLineMember_05D455BB231C12B2391C5633ED6414AC" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_6C4C08F494188DB7685F5633ED63DC63" xlink:to="loc_us-gaap_OtherInsuranceProductLineMember_05D455BB231C12B2391C5633ED6414AC" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CasualtyInsuranceProductLineMember" xlink:label="loc_wrb_CasualtyInsuranceProductLineMember_809815989C9C67AB03205633ED65CBB0" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_6C4C08F494188DB7685F5633ED63DC63" xlink:to="loc_wrb_CasualtyInsuranceProductLineMember_809815989C9C67AB03205633ED65CBB0" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MonolineExcessProductLineMember" xlink:label="loc_wrb_MonolineExcessProductLineMember_253F43B783476D18B3715633ED651775" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_6C4C08F494188DB7685F5633ED63DC63" xlink:to="loc_wrb_MonolineExcessProductLineMember_253F43B783476D18B3715633ED651775" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyInsuranceProductLineMember" xlink:label="loc_us-gaap_PropertyInsuranceProductLineMember_0111D53935666CAAEE345633ED65C2D9" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_6C4C08F494188DB7685F5633ED63DC63" xlink:to="loc_us-gaap_PropertyInsuranceProductLineMember_0111D53935666CAAEE345633ED65C2D9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityLineItems" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityLineItems_D850E55B7C1C8FF60B6D5633ED651B47" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTable_11E37CADDB94873398C05633ED61A779" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityLineItems_D850E55B7C1C8FF60B6D5633ED651B47" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet_508A9023F37C66C1ABF25633ED6571AE" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityLineItems_D850E55B7C1C8FF60B6D5633ED651B47" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet_508A9023F37C66C1ABF25633ED6571AE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceRecoverablesOnPaidAndUnpaidLosses" xlink:label="loc_us-gaap_ReinsuranceRecoverablesOnPaidAndUnpaidLosses_48A25A71A98D8CF91D695633ED6688B1" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityLineItems_D850E55B7C1C8FF60B6D5633ED651B47" xlink:to="loc_us-gaap_ReinsuranceRecoverablesOnPaidAndUnpaidLosses_48A25A71A98D8CF91D695633ED6688B1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsDiscountedLiabilitiesAggregateDiscount" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsDiscountedLiabilitiesAggregateDiscount_1B1AD1275DDBCD3A97175633ED6B9605" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityLineItems_D850E55B7C1C8FF60B6D5633ED651B47" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsDiscountedLiabilitiesAggregateDiscount_1B1AD1275DDBCD3A97175633ED6B9605" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_BBB491FC0BC1142B18FE5633ED6BE866" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityLineItems_D850E55B7C1C8FF60B6D5633ED651B47" xlink:to="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_BBB491FC0BC1142B18FE5633ED6BE866" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ReservesForLossesAndLossExpensesScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceAbstract" xlink:label="loc_us-gaap_InsuranceAbstract_8B527F3BA35E768958645633ED2A293D" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReservesForLossesAndLossExpensesTable" xlink:label="loc_wrb_ReservesForLossesAndLossExpensesTable_03D625E27BAE62BAA3765633ED2A4460" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_8B527F3BA35E768958645633ED2A293D" xlink:to="loc_wrb_ReservesForLossesAndLossExpensesTable_03D625E27BAE62BAA3765633ED2A4460" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CommutationAgreementWorkersCompensationReservesAxis" xlink:label="loc_wrb_CommutationAgreementWorkersCompensationReservesAxis_7586B5C9495E0C6AD1615633ED2A25D0" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesTable_03D625E27BAE62BAA3765633ED2A4460" xlink:to="loc_wrb_CommutationAgreementWorkersCompensationReservesAxis_7586B5C9495E0C6AD1615633ED2A25D0" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CommutationAgreementWorkersCompensationReservesDomain" xlink:label="loc_wrb_CommutationAgreementWorkersCompensationReservesDomain_816C94079AF825BB593F5633ED2BF3D2" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CommutationAgreementWorkersCompensationReservesAxis_7586B5C9495E0C6AD1615633ED2A25D0" xlink:to="loc_wrb_CommutationAgreementWorkersCompensationReservesDomain_816C94079AF825BB593F5633ED2BF3D2" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DiscountedMember" xlink:label="loc_wrb_DiscountedMember_2BA53A4D40DD0E4E8E785633ED2B7AAA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_CommutationAgreementWorkersCompensationReservesDomain_816C94079AF825BB593F5633ED2BF3D2" xlink:to="loc_wrb_DiscountedMember_2BA53A4D40DD0E4E8E785633ED2B7AAA" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReservesForLossesAndLossExpensesLineItems" xlink:label="loc_wrb_ReservesForLossesAndLossExpensesLineItems_5083AB9E8AFEF2AFFF7E5633ED2B02E8" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesTable_03D625E27BAE62BAA3765633ED2A4460" xlink:to="loc_wrb_ReservesForLossesAndLossExpensesLineItems_5083AB9E8AFEF2AFFF7E5633ED2B02E8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract_DE857BE0DB63BD3910A25633ED2BDD07" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesLineItems_5083AB9E8AFEF2AFFF7E5633ED2B02E8" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract_DE857BE0DB63BD3910A25633ED2BDD07" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_B6861890244467C3DD4F5633ED2C1D12" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract_DE857BE0DB63BD3910A25633ED2BDD07" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_B6861890244467C3DD4F5633ED2C1D12" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract_D9080A6FEF6F33B1D47F5633ED2C4148" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract_DE857BE0DB63BD3910A25633ED2BDD07" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract_D9080A6FEF6F33B1D47F5633ED2C4148" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_C19513DE401401E0328C5633ED2CC98B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract_D9080A6FEF6F33B1D47F5633ED2C4148" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_C19513DE401401E0328C5633ED2CC98B" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseIncurredClaimsAdjustment" xlink:label="loc_wrb_LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseIncurredClaimsAdjustment_2042BDD0138901865ADD5633ED2C44EB" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract_D9080A6FEF6F33B1D47F5633ED2C4148" xlink:to="loc_wrb_LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseIncurredClaimsAdjustment_2042BDD0138901865ADD5633ED2C44EB" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredLossReserveDiscountAccretion" xlink:label="loc_wrb_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredLossReserveDiscountAccretion_3C8DDF7C42AC04318DE25633ED2D02A4" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract_D9080A6FEF6F33B1D47F5633ED2C4148" xlink:to="loc_wrb_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredLossReserveDiscountAccretion_3C8DDF7C42AC04318DE25633ED2D02A4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1_AA74BF06F4002F2CCFA85633ED2D8CBE" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract_D9080A6FEF6F33B1D47F5633ED2C4148" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1_AA74BF06F4002F2CCFA85633ED2D8CBE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAbstract" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAbstract_4CB0E3F2179FED2A9A385633ED2DD220" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract_DE857BE0DB63BD3910A25633ED2BDD07" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAbstract_4CB0E3F2179FED2A9A385633ED2DD220" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1_1C5B62453B1C901EDCEE5633ED2D1927" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAbstract_4CB0E3F2179FED2A9A385633ED2DD220" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1_1C5B62453B1C901EDCEE5633ED2D1927" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1_DCBE1AE1E23572FA7EA25633ED2D06E8" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAbstract_4CB0E3F2179FED2A9A385633ED2DD220" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1_DCBE1AE1E23572FA7EA25633ED2D06E8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForLossesAndLossAdjustmentExpense" xlink:label="loc_us-gaap_PaymentsForLossesAndLossAdjustmentExpense_39AF5C233E3F173DBB945633ED2E024C" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAbstract_4CB0E3F2179FED2A9A385633ED2DD220" xlink:to="loc_us-gaap_PaymentsForLossesAndLossAdjustmentExpense_39AF5C233E3F173DBB945633ED2E024C" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseForeignExchangeTranslation" xlink:label="loc_wrb_LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseForeignExchangeTranslation_4045597D048916401A3F5633ED2EC028" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract_DE857BE0DB63BD3910A25633ED2BDD07" xlink:to="loc_wrb_LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseForeignExchangeTranslation_4045597D048916401A3F5633ED2EC028" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_84EF8705924DA821362C5633ED2EC8AA" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract_DE857BE0DB63BD3910A25633ED2BDD07" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_84EF8705924DA821362C5633ED2EC8AA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceRecoverablesGross" xlink:label="loc_us-gaap_ReinsuranceRecoverablesGross_CC4C12C9CD6C7F7BA7B95633ED2EB766" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract_DE857BE0DB63BD3910A25633ED2BDD07" xlink:to="loc_us-gaap_ReinsuranceRecoverablesGross_CC4C12C9CD6C7F7BA7B95633ED2EB766" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_84CD2E94CB0CD596474A5633ED2E6784" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract_DE857BE0DB63BD3910A25633ED2BDD07" xlink:to="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_84CD2E94CB0CD596474A5633ED2E6784" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_IncreaseDecreaseinEstimatesforClaimsOccurringinPriorYearsPremiumsandLosses" xlink:label="loc_wrb_IncreaseDecreaseinEstimatesforClaimsOccurringinPriorYearsPremiumsandLosses_270ADFE447323C702C7856506FC45AD9" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract_DE857BE0DB63BD3910A25633ED2BDD07" xlink:to="loc_wrb_IncreaseDecreaseinEstimatesforClaimsOccurringinPriorYearsPremiumsandLosses_270ADFE447323C702C7856506FC45AD9" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_RetrospectivePremiumAdjustmentsinEstimatesforClaimsOccurringinPriorYearsPremiumsandLosses" xlink:label="loc_wrb_RetrospectivePremiumAdjustmentsinEstimatesforClaimsOccurringinPriorYearsPremiumsandLosses_035422454600E020FDE856559481F003" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract_DE857BE0DB63BD3910A25633ED2BDD07" xlink:to="loc_wrb_RetrospectivePremiumAdjustmentsinEstimatesforClaimsOccurringinPriorYearsPremiumsandLosses_035422454600E020FDE856559481F003" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_FavorableReserveDevelopmentNetOfPremiumOffsets" xlink:label="loc_wrb_FavorableReserveDevelopmentNetOfPremiumOffsets_28E24CFA40305E2E31D556457C2BF107" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract_DE857BE0DB63BD3910A25633ED2BDD07" xlink:to="loc_wrb_FavorableReserveDevelopmentNetOfPremiumOffsets_28E24CFA40305E2E31D556457C2BF107" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WorkersCompensationDiscountAmount" xlink:label="loc_us-gaap_WorkersCompensationDiscountAmount_D0326FBB76F064F5110C5633ED2ED77D" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesLineItems_5083AB9E8AFEF2AFFF7E5633ED2B02E8" xlink:to="loc_us-gaap_WorkersCompensationDiscountAmount_D0326FBB76F064F5110C5633ED2ED77D" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsUndiscountedBasisPriorYearsIncreaseDecrease" xlink:label="loc_wrb_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsUndiscountedBasisPriorYearsIncreaseDecrease_59D66B2A40D011B124835633ED2F2C7D" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ReservesForLossesAndLossExpensesLineItems_5083AB9E8AFEF2AFFF7E5633ED2B02E8" xlink:to="loc_wrb_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsUndiscountedBasisPriorYearsIncreaseDecrease_59D66B2A40D011B124835633ED2F2C7D" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ReservesForLossesAndLossExpensesSupplementaryInformationRegardingAverageHistoricalClaimsDurationDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceAbstract" xlink:label="loc_us-gaap_InsuranceAbstract_E8367D8AE32CE684E86C5633ED361485" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationTable" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationTable_4F36FBD0569EBDAC5F5F5633ED36F1FC" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_E8367D8AE32CE684E86C5633ED361485" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationTable_4F36FBD0569EBDAC5F5F5633ED36F1FC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_0626A12874A32625649B5633ED363F67" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationTable_4F36FBD0569EBDAC5F5F5633ED36F1FC" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_0626A12874A32625649B5633ED363F67" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_6910321194A175BB41855633ED373506" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_0626A12874A32625649B5633ED363F67" xlink:to="loc_us-gaap_SegmentDomain_6910321194A175BB41855633ED373506" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_InsuranceSegmentMember" xlink:label="loc_wrb_InsuranceSegmentMember_DEE3D52234F326E0E84A5633ED373B27" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_6910321194A175BB41855633ED373506" xlink:to="loc_wrb_InsuranceSegmentMember_DEE3D52234F326E0E84A5633ED373B27" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReinsuranceandMonolineExcessSegmentMember" xlink:label="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_0647E0AB83624D522C54563C48E9D35C" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_6910321194A175BB41855633ED373506" xlink:to="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_0647E0AB83624D522C54563C48E9D35C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_7550F6296C9FF905147A5633ED3830A0" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationTable_4F36FBD0569EBDAC5F5F5633ED36F1FC" xlink:to="loc_srt_ProductOrServiceAxis_7550F6296C9FF905147A5633ED3830A0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_69CAE0D5E4C7853E91D95633ED38A362" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_7550F6296C9FF905147A5633ED3830A0" xlink:to="loc_srt_ProductsAndServicesDomain_69CAE0D5E4C7853E91D95633ED38A362" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_OtherLiabilityInsuranceProductLineMember" xlink:label="loc_wrb_OtherLiabilityInsuranceProductLineMember_48B9C7BE49A85AC66A945633ED386586" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_69CAE0D5E4C7853E91D95633ED38A362" xlink:to="loc_wrb_OtherLiabilityInsuranceProductLineMember_48B9C7BE49A85AC66A945633ED386586" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_WorkersCompensationInsuranceProductLineMember" xlink:label="loc_wrb_WorkersCompensationInsuranceProductLineMember_210141BEDB8A142F32B15633ED388FED" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_69CAE0D5E4C7853E91D95633ED38A362" xlink:to="loc_wrb_WorkersCompensationInsuranceProductLineMember_210141BEDB8A142F32B15633ED388FED" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ProfessionalLiabilityInsuranceProductLineMember" xlink:label="loc_wrb_ProfessionalLiabilityInsuranceProductLineMember_5E7DE63CFFAA3087B1E55633ED39C7CA" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_69CAE0D5E4C7853E91D95633ED38A362" xlink:to="loc_wrb_ProfessionalLiabilityInsuranceProductLineMember_5E7DE63CFFAA3087B1E55633ED39C7CA" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CommercialAutomobileInsuranceProductLineMember" xlink:label="loc_wrb_CommercialAutomobileInsuranceProductLineMember_101CACBAAC92251306BA5633ED3911D5" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_69CAE0D5E4C7853E91D95633ED38A362" xlink:to="loc_wrb_CommercialAutomobileInsuranceProductLineMember_101CACBAAC92251306BA5633ED3911D5" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ShorttailInsuranceProductLineMember" xlink:label="loc_wrb_ShorttailInsuranceProductLineMember_6D097925622D8030B5215633ED39C327" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_69CAE0D5E4C7853E91D95633ED38A362" xlink:to="loc_wrb_ShorttailInsuranceProductLineMember_6D097925622D8030B5215633ED39C327" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CasualtyInsuranceProductLineMember" xlink:label="loc_wrb_CasualtyInsuranceProductLineMember_89D87DDB7052CD6B11225633ED39E23C" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_69CAE0D5E4C7853E91D95633ED38A362" xlink:to="loc_wrb_CasualtyInsuranceProductLineMember_89D87DDB7052CD6B11225633ED39E23C" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_MonolineExcessProductLineMember" xlink:label="loc_wrb_MonolineExcessProductLineMember_3B5637FA284D263C210D563BCC8E1FA1" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_69CAE0D5E4C7853E91D95633ED38A362" xlink:to="loc_wrb_MonolineExcessProductLineMember_3B5637FA284D263C210D563BCC8E1FA1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyInsuranceProductLineMember" xlink:label="loc_us-gaap_PropertyInsuranceProductLineMember_E2837F80089104032B005633ED39EDAD" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_69CAE0D5E4C7853E91D95633ED38A362" xlink:to="loc_us-gaap_PropertyInsuranceProductLineMember_E2837F80089104032B005633ED39EDAD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems_06B7B9416A205BA11B9F5633ED3A95E1" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationTable_4F36FBD0569EBDAC5F5F5633ED36F1FC" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems_06B7B9416A205BA11B9F5633ED3A95E1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne_B74C49DA9B430E10D46D5633ED3A5D82" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems_06B7B9416A205BA11B9F5633ED3A95E1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne_B74C49DA9B430E10D46D5633ED3A5D82" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo_3A6A54500D038CC00F6F5633ED3A6375" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems_06B7B9416A205BA11B9F5633ED3A95E1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo_3A6A54500D038CC00F6F5633ED3A6375" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree_F14FB208DC7D63DEEFDA5633ED3A7C77" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems_06B7B9416A205BA11B9F5633ED3A95E1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree_F14FB208DC7D63DEEFDA5633ED3A7C77" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour_32EBC5E73D2B019B1B955633ED3A2041" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems_06B7B9416A205BA11B9F5633ED3A95E1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour_32EBC5E73D2B019B1B955633ED3A2041" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive_49944D848EA2DBDD6FA65633ED3A799F" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems_06B7B9416A205BA11B9F5633ED3A95E1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive_49944D848EA2DBDD6FA65633ED3A799F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix_AB90AB559F88C11056465633ED3BAB35" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems_06B7B9416A205BA11B9F5633ED3A95E1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix_AB90AB559F88C11056465633ED3BAB35" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven_F34FF350B169465B270D5633ED3B0378" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems_06B7B9416A205BA11B9F5633ED3A95E1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven_F34FF350B169465B270D5633ED3B0378" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight_842D8ED545669627FA355633ED3B33A6" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems_06B7B9416A205BA11B9F5633ED3A95E1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight_842D8ED545669627FA355633ED3B33A6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine_91A57D0109BB9ACD72525633ED3B4337" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems_06B7B9416A205BA11B9F5633ED3A95E1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine_91A57D0109BB9ACD72525633ED3B4337" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen_BFB688BD69289DE218315633ED3BC916" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems_06B7B9416A205BA11B9F5633ED3A95E1" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen_BFB688BD69289DE218315633ED3BC916" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ReservesForLossesAndLossExpensesTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceAbstract" xlink:label="loc_us-gaap_InsuranceAbstract_7A8ADDC3848011DE6EF8EBC169A2FFA2" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock_44A4265466F590F11C24EBC169A2E321" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_7A8ADDC3848011DE6EF8EBC169A2FFA2" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock_44A4265466F590F11C24EBC169A2E321" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTableTextBlock" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTableTextBlock_E3A82CE8D838B911CED1EBC169A25254" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_7A8ADDC3848011DE6EF8EBC169A2FFA2" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTableTextBlock_E3A82CE8D838B911CED1EBC169A25254" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock" xlink:label="loc_us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock_AF2DC36D30EF5FB3CCC7EBC169A2EA6B" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_7A8ADDC3848011DE6EF8EBC169A2FFA2" xlink:to="loc_us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock_AF2DC36D30EF5FB3CCC7EBC169A2EA6B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense_063B366C29F203D71A6DEBC169A3C393" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InsuranceAbstract_7A8ADDC3848011DE6EF8EBC169A2FFA2" xlink:to="loc_us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense_063B366C29F203D71A6DEBC169A3C393" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ScheduleIiCondensedFinancialInformationOfRegistrant" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" xlink:label="loc_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_16E353DCBEF47EF7F515EBC169483ECF" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" xlink:label="loc_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock_363BDE8EAB05EF048B74EBC169486A65" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_16E353DCBEF47EF7F515EBC169483ECF" xlink:to="loc_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock_363BDE8EAB05EF048B74EBC169486A65" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ScheduleIiCondensedFinancialInformationOfRegistrantBalanceSheetsParentCompanyDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" xlink:label="loc_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_7AA87FF743DC28A6C0A555816222093A" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedBalanceSheetStatementTable" xlink:label="loc_srt_CondensedBalanceSheetStatementTable_DF6F0636CE2436AB727155816222A2D9" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_7AA87FF743DC28A6C0A555816222093A" xlink:to="loc_srt_CondensedBalanceSheetStatementTable_DF6F0636CE2436AB727155816222A2D9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="loc_srt_ConsolidatedEntitiesAxis_E3FBD187B0AD8BD6C2EF5581622395BC" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedBalanceSheetStatementTable_DF6F0636CE2436AB727155816222A2D9" xlink:to="loc_srt_ConsolidatedEntitiesAxis_E3FBD187B0AD8BD6C2EF5581622395BC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srt_ConsolidatedEntitiesDomain_866BC165AA11F96EF18155816223EFF4" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesAxis_E3FBD187B0AD8BD6C2EF5581622395BC" xlink:to="loc_srt_ConsolidatedEntitiesDomain_866BC165AA11F96EF18155816223EFF4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ParentCompanyMember" xlink:label="loc_srt_ParentCompanyMember_D45853952866B8319FB355816223C600" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesDomain_866BC165AA11F96EF18155816223EFF4" xlink:to="loc_srt_ParentCompanyMember_D45853952866B8319FB355816223C600" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedBalanceSheetStatementsCaptionsLineItems" xlink:label="loc_srt_CondensedBalanceSheetStatementsCaptionsLineItems_371DB3C70396A417D84B55816224F44F" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedBalanceSheetStatementTable_DF6F0636CE2436AB727155816222A2D9" xlink:to="loc_srt_CondensedBalanceSheetStatementsCaptionsLineItems_371DB3C70396A417D84B55816224F44F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_6B4E1866F3C884A7484255816224A148" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedBalanceSheetStatementsCaptionsLineItems_371DB3C70396A417D84B55816224F44F" xlink:to="loc_us-gaap_AssetsAbstract_6B4E1866F3C884A7484255816224A148" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_A0CAD1EF2E4337D31A1855816224168F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_6B4E1866F3C884A7484255816224A148" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_A0CAD1EF2E4337D31A1855816224168F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleAndHeldToMaturity" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAndHeldToMaturity_F0AFD2B770840231F0C85581622517B7" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_6B4E1866F3C884A7484255816224A148" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAndHeldToMaturity_F0AFD2B770840231F0C85581622517B7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:label="loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_EBDF6AD43DCFABEB72F055816225D05B" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_6B4E1866F3C884A7484255816224A148" xlink:to="loc_us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_EBDF6AD43DCFABEB72F055816225D05B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNi" xlink:label="loc_us-gaap_EquitySecuritiesFvNi_7C02CC75EB564B4357CC55816225B4E2" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_6B4E1866F3C884A7484255816224A148" xlink:to="loc_us-gaap_EquitySecuritiesFvNi_7C02CC75EB564B4357CC55816225B4E2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_12C2EA1EEBF2BB424A7655816225015B" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_6B4E1866F3C884A7484255816224A148" xlink:to="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_12C2EA1EEBF2BB424A7655816225015B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_C089A122B89F6C1384AB55816225B2AC" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_6B4E1866F3C884A7484255816224A148" xlink:to="loc_us-gaap_IncomeTaxesReceivable_C089A122B89F6C1384AB55816225B2AC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_2D3973E7B867C9B7FBA15581622605AD" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_6B4E1866F3C884A7484255816224A148" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_2D3973E7B867C9B7FBA15581622605AD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_ECFE8ABA1B4EF78CAF24558162267839" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_6B4E1866F3C884A7484255816224A148" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_ECFE8ABA1B4EF78CAF24558162267839" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaap_OtherAssets_105B2691A55AD9C9100C55816226A5A2" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_6B4E1866F3C884A7484255816224A148" xlink:to="loc_us-gaap_OtherAssets_105B2691A55AD9C9100C55816226A5A2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_A03B5E46D80F8923AC3755816226DDD9" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_6B4E1866F3C884A7484255816224A148" xlink:to="loc_us-gaap_Assets_A03B5E46D80F8923AC3755816226DDD9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_95D4A605236F5D2A423D55816227009E" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedBalanceSheetStatementsCaptionsLineItems_371DB3C70396A417D84B55816224F44F" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_95D4A605236F5D2A423D55816227009E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_us-gaap_LiabilitiesAbstract_DAF205139234D564535B5581622730D0" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_95D4A605236F5D2A423D55816227009E" xlink:to="loc_us-gaap_LiabilitiesAbstract_DAF205139234D564535B5581622730D0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DueToAffiliateCurrentAndNoncurrent" xlink:label="loc_us-gaap_DueToAffiliateCurrentAndNoncurrent_C49A72E585F4CD8C5DB655816227910F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_DAF205139234D564535B5581622730D0" xlink:to="loc_us-gaap_DueToAffiliateCurrentAndNoncurrent_C49A72E585F4CD8C5DB655816227910F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLiabilities" xlink:label="loc_us-gaap_OtherLiabilities_00D883700A6CED572CAE55816227B923" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_DAF205139234D564535B5581622730D0" xlink:to="loc_us-gaap_OtherLiabilities_00D883700A6CED572CAE55816227B923" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_7D03F008AB3FD1BC30CA5581622829EA" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_DAF205139234D564535B5581622730D0" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_7D03F008AB3FD1BC30CA5581622829EA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_JuniorSubordinatedNotes" xlink:label="loc_us-gaap_JuniorSubordinatedNotes_475F40B567A6514EBB8A5581622877D6" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_DAF205139234D564535B5581622730D0" xlink:to="loc_us-gaap_JuniorSubordinatedNotes_475F40B567A6514EBB8A5581622877D6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeniorNotes" xlink:label="loc_us-gaap_SeniorNotes_4DF1F637E2BCD8E63D04558162285B10" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_DAF205139234D564535B5581622730D0" xlink:to="loc_us-gaap_SeniorNotes_4DF1F637E2BCD8E63D04558162285B10" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_CEF43B0979E52DF12F9B55816228C8A5" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_DAF205139234D564535B5581622730D0" xlink:to="loc_us-gaap_Liabilities_CEF43B0979E52DF12F9B55816228C8A5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_CF91C8D3EA42FBA07AFB558162281D65" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_95D4A605236F5D2A423D55816227009E" xlink:to="loc_us-gaap_StockholdersEquityAbstract_CF91C8D3EA42FBA07AFB558162281D65" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_5CB1777F80AC42D48D5F55816229CCBA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_CF91C8D3EA42FBA07AFB558162281D65" xlink:to="loc_us-gaap_PreferredStockValue_5CB1777F80AC42D48D5F55816229CCBA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_8CFB4B8A42ADCD410C1555816229C829" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_CF91C8D3EA42FBA07AFB558162281D65" xlink:to="loc_us-gaap_CommonStockValue_8CFB4B8A42ADCD410C1555816229C829" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_532EFA0F89180A7FE0F0558162299971" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_CF91C8D3EA42FBA07AFB558162281D65" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_532EFA0F89180A7FE0F0558162299971" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_2FBDE99D5516D2F12DD355816229D625" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_CF91C8D3EA42FBA07AFB558162281D65" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_2FBDE99D5516D2F12DD355816229D625" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_F728640A9D35DF00994E558162295AEC" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_CF91C8D3EA42FBA07AFB558162281D65" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_F728640A9D35DF00994E558162295AEC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_5A186F635FA73F93B9125581622A6741" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_CF91C8D3EA42FBA07AFB558162281D65" xlink:to="loc_us-gaap_TreasuryStockValue_5A186F635FA73F93B9125581622A6741" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_A56452085EC5D3C252675581622A9F9C" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_CF91C8D3EA42FBA07AFB558162281D65" xlink:to="loc_us-gaap_StockholdersEquity_A56452085EC5D3C252675581622A9F9C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_3F9B9330EACA72570A815581622A512B" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_95D4A605236F5D2A423D55816227009E" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_3F9B9330EACA72570A815581622A512B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_984EF13F9586992CEEB35581622AF187" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_95D4A605236F5D2A423D55816227009E" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_984EF13F9586992CEEB35581622AF187" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiCost" xlink:label="loc_us-gaap_EquitySecuritiesFvNiCost_D92AEDCD615C0F2446505581622AD7F5" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_95D4A605236F5D2A423D55816227009E" xlink:to="loc_us-gaap_EquitySecuritiesFvNiCost_D92AEDCD615C0F2446505581622AD7F5" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_AccumulatedUndistributedNetIncomeOfSubsidiaries" xlink:label="loc_wrb_AccumulatedUndistributedNetIncomeOfSubsidiaries_704A79380D8031C787EB5581622B4516" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_95D4A605236F5D2A423D55816227009E" xlink:to="loc_wrb_AccumulatedUndistributedNetIncomeOfSubsidiaries_704A79380D8031C787EB5581622B4516" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ScheduleIiCondensedFinancialInformationOfRegistrantStatementsOfCashFlowsParentCompanyDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" xlink:label="loc_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_A0004797D120B9F651145633EBCE2496" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedCashFlowStatementTable" xlink:label="loc_srt_CondensedCashFlowStatementTable_CB12467380FE35D7267F5633EBCFC5CF" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_A0004797D120B9F651145633EBCE2496" xlink:to="loc_srt_CondensedCashFlowStatementTable_CB12467380FE35D7267F5633EBCFC5CF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_47EC83AC823FACF17F345633EBCF5723" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedCashFlowStatementTable_CB12467380FE35D7267F5633EBCFC5CF" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_47EC83AC823FACF17F345633EBCF5723" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_0473EC0337C50BC635A45633EBCFC105" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_47EC83AC823FACF17F345633EBCF5723" xlink:to="loc_us-gaap_SegmentDomain_0473EC0337C50BC635A45633EBCFC105" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="loc_srt_ConsolidatedEntitiesAxis_CC300DA99989252DE1625633EBD0006E" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedCashFlowStatementTable_CB12467380FE35D7267F5633EBCFC5CF" xlink:to="loc_srt_ConsolidatedEntitiesAxis_CC300DA99989252DE1625633EBD0006E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srt_ConsolidatedEntitiesDomain_5ADC3BF3AC3AF7E6DA685633EBD0B62F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesAxis_CC300DA99989252DE1625633EBD0006E" xlink:to="loc_srt_ConsolidatedEntitiesDomain_5ADC3BF3AC3AF7E6DA685633EBD0B62F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ParentCompanyMember" xlink:label="loc_srt_ParentCompanyMember_0DBD8A180D3A4E7546E35633EBD042CA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesDomain_5ADC3BF3AC3AF7E6DA685633EBD0B62F" xlink:to="loc_srt_ParentCompanyMember_0DBD8A180D3A4E7546E35633EBD042CA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedCashFlowStatementsCaptionsLineItems" xlink:label="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_7E086CDAE2832368DAAB5633EBD03C8F" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedCashFlowStatementTable_CB12467380FE35D7267F5633EBCFC5CF" xlink:to="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_7E086CDAE2832368DAAB5633EBD03C8F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_C7C375CB1A182FB46B2C5633EBD0A82C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_7E086CDAE2832368DAAB5633EBD03C8F" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_C7C375CB1A182FB46B2C5633EBD0A82C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_D62145C3D2A92F0B01725633EBD1A300" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_C7C375CB1A182FB46B2C5633EBD0A82C" xlink:to="loc_us-gaap_NetIncomeLoss_D62145C3D2A92F0B01725633EBD1A300" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_CDB828DE86CAB36F60C25633EBD1C09F" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_C7C375CB1A182FB46B2C5633EBD0A82C" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_CDB828DE86CAB36F60C25633EBD1C09F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RealizedInvestmentGainsLosses" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_B979B7B719728147084E5633EBD11F53" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_CDB828DE86CAB36F60C25633EBD1C09F" xlink:to="loc_us-gaap_RealizedInvestmentGainsLosses_B979B7B719728147084E5633EBD11F53" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_4E73005FB19EFC648D385633EBD2940F" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_CDB828DE86CAB36F60C25633EBD1C09F" xlink:to="loc_us-gaap_DepreciationAndAmortization_4E73005FB19EFC648D385633EBD2940F" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_EquityInUndistributedNetIncomeLossOfSubsidiaries" xlink:label="loc_wrb_EquityInUndistributedNetIncomeLossOfSubsidiaries_BE80AFA8D57B0C9858A25633EBD2E4E4" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_CDB828DE86CAB36F60C25633EBD1C09F" xlink:to="loc_wrb_EquityInUndistributedNetIncomeLossOfSubsidiaries_BE80AFA8D57B0C9858A25633EBD2E4E4" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_TaxPaymentsReceivedFromSubsidiaries" xlink:label="loc_wrb_TaxPaymentsReceivedFromSubsidiaries_E5BBE6643376D7DC9BF45633EBD2BC30" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_CDB828DE86CAB36F60C25633EBD1C09F" xlink:to="loc_wrb_TaxPaymentsReceivedFromSubsidiaries_E5BBE6643376D7DC9BF45633EBD2BC30" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_FederalIncomeTaxesProvidedBySubsidiariesOnSeparateReturnBasis" xlink:label="loc_wrb_FederalIncomeTaxesProvidedBySubsidiariesOnSeparateReturnBasis_6469847CB0ACC18CFE4B5633EBD2C87D" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_CDB828DE86CAB36F60C25633EBD1C09F" xlink:to="loc_wrb_FederalIncomeTaxesProvidedBySubsidiariesOnSeparateReturnBasis_6469847CB0ACC18CFE4B5633EBD2C87D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_CFEEBA99A9591B77C7135633EBD2ED2D" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_CDB828DE86CAB36F60C25633EBD1C09F" xlink:to="loc_us-gaap_ShareBasedCompensation_CFEEBA99A9591B77C7135633EBD2ED2D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_779F2129394B9CBEE9CB5633EBD391B1" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_C7C375CB1A182FB46B2C5633EBD0A82C" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_779F2129394B9CBEE9CB5633EBD391B1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable_173A831E70EA9203B54A5633EBD351F8" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_779F2129394B9CBEE9CB5633EBD391B1" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable_173A831E70EA9203B54A5633EBD351F8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_6F2FBA183429F54B35705633EBD34BD0" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_779F2129394B9CBEE9CB5633EBD391B1" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_6F2FBA183429F54B35705633EBD34BD0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_667672CA3A922AB860755633EBD3EBC2" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_779F2129394B9CBEE9CB5633EBD391B1" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_667672CA3A922AB860755633EBD3EBC2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable_44D6833BEA8FC78FD5E15633EBD3751E" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_779F2129394B9CBEE9CB5633EBD391B1" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable_44D6833BEA8FC78FD5E15633EBD3751E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_AE86C6449C4E60936F4A5633EBD43593" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_C7C375CB1A182FB46B2C5633EBD0A82C" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_AE86C6449C4E60936F4A5633EBD43593" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_61A475E9E201E505A73B5633EBD4C5C5" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_7E086CDAE2832368DAAB5633EBD03C8F" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_61A475E9E201E505A73B5633EBD4C5C5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_931EC0F1C430190AB20B5633EBD4ABFD" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_61A475E9E201E505A73B5633EBD4C5C5" xlink:to="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_931EC0F1C430190AB20B5633EBD4ABFD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_2C1FECE94B435B69D5695633EBD461E5" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_61A475E9E201E505A73B5633EBD4C5C5" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_2C1FECE94B435B69D5695633EBD461E5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_31EB1F8C796FB529745B5633EBD4E10B" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_61A475E9E201E505A73B5633EBD4C5C5" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_31EB1F8C796FB529745B5633EBD4E10B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForProceedsFromLoansReceivable" xlink:label="loc_us-gaap_PaymentsForProceedsFromLoansReceivable_D55D20DCB2AB65FF65495633EBD5C4BA" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_61A475E9E201E505A73B5633EBD4C5C5" xlink:to="loc_us-gaap_PaymentsForProceedsFromLoansReceivable_D55D20DCB2AB65FF65495633EBD5C4BA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries" xlink:label="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_103EF909011440C5E8FB5633EBD5745B" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_61A475E9E201E505A73B5633EBD4C5C5" xlink:to="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_103EF909011440C5E8FB5633EBD5745B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet" xlink:label="loc_us-gaap_IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet_4765A18CE909100EC1B55633EBD51930" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_61A475E9E201E505A73B5633EBD4C5C5" xlink:to="loc_us-gaap_IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet_4765A18CE909100EC1B55633EBD51930" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_49E182911391F428899B5633EBD593A3" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_61A475E9E201E505A73B5633EBD4C5C5" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_49E182911391F428899B5633EBD593A3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_95CEC7CD2F9BF5A4CE595633EBD5A6E1" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_61A475E9E201E505A73B5633EBD4C5C5" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_95CEC7CD2F9BF5A4CE595633EBD5A6E1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_67FE934FD3EAE4F12B545633EBD57276" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_61A475E9E201E505A73B5633EBD4C5C5" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_67FE934FD3EAE4F12B545633EBD57276" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7FFF4F3A367207D23A255633EBD6BEEC" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_7E086CDAE2832368DAAB5633EBD03C8F" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7FFF4F3A367207D23A255633EBD6BEEC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_6BB99934A26CC736949B5633EBD6009A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7FFF4F3A367207D23A255633EBD6BEEC" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_6BB99934A26CC736949B5633EBD6009A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfSeniorDebt" xlink:label="loc_us-gaap_RepaymentsOfSeniorDebt_4D8DE93567C1CF0A6E945633EBD68C53" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7FFF4F3A367207D23A255633EBD6BEEC" xlink:to="loc_us-gaap_RepaymentsOfSeniorDebt_4D8DE93567C1CF0A6E945633EBD68C53" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_6C8D9D25F91D4617EA175633EBD6AB16" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7FFF4F3A367207D23A255633EBD6BEEC" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_6C8D9D25F91D4617EA175633EBD6AB16" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_A341EE3704F95A6E590E5633EBD69063" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7FFF4F3A367207D23A255633EBD6BEEC" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_A341EE3704F95A6E590E5633EBD69063" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_84A150AD6DC045F6B4045633EBD60114" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7FFF4F3A367207D23A255633EBD6BEEC" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_84A150AD6DC045F6B4045633EBD60114" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_6AF015A3D40BF6438E635633EBD7728E" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_7E086CDAE2832368DAAB5633EBD03C8F" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_6AF015A3D40BF6438E635633EBD7728E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_5CE3C7ABA92A70FED1685633EBD7E311" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_7E086CDAE2832368DAAB5633EBD03C8F" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_5CE3C7ABA92A70FED1685633EBD7E311" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_967484ACB0A55900383F5633EBD7CB90" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_7E086CDAE2832368DAAB5633EBD03C8F" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_967484ACB0A55900383F5633EBD7CB90" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ScheduleIiCondensedFinancialInformationOfRegistrantStatementsOfIncomeParentCompanyDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" xlink:label="loc_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_7EF1D097C1683A24696355816202F6A6" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedIncomeStatementTable" xlink:label="loc_srt_CondensedIncomeStatementTable_53E032503F5F4559E76D558162027B00" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_7EF1D097C1683A24696355816202F6A6" xlink:to="loc_srt_CondensedIncomeStatementTable_53E032503F5F4559E76D558162027B00" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="loc_srt_ConsolidatedEntitiesAxis_0CB8AFC06325DD3B5C4355816202661E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementTable_53E032503F5F4559E76D558162027B00" xlink:to="loc_srt_ConsolidatedEntitiesAxis_0CB8AFC06325DD3B5C4355816202661E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srt_ConsolidatedEntitiesDomain_6086C9B4590AA448B47A55816203B8FD" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesAxis_0CB8AFC06325DD3B5C4355816202661E" xlink:to="loc_srt_ConsolidatedEntitiesDomain_6086C9B4590AA448B47A55816203B8FD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ParentCompanyMember" xlink:label="loc_srt_ParentCompanyMember_80866EE3612E458D6489558162039602" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesDomain_6086C9B4590AA448B47A55816203B8FD" xlink:to="loc_srt_ParentCompanyMember_80866EE3612E458D6489558162039602" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedIncomeStatementsCaptionsLineItems" xlink:label="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementTable_53E032503F5F4559E76D558162027B00" xlink:to="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ManagementFeesAndInvestmentIncomeIncludingDividendsFromSubsidiaries" xlink:label="loc_wrb_ManagementFeesAndInvestmentIncomeIncludingDividendsFromSubsidiaries_3289047B090233D5ACCD5581620319F4" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:to="loc_wrb_ManagementFeesAndInvestmentIncomeIncludingDividendsFromSubsidiaries_3289047B090233D5ACCD5581620319F4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="loc_us-gaap_GainLossOnInvestments_4F71CBBBCFB4BB5F471E558162047A93" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:to="loc_us-gaap_GainLossOnInvestments_4F71CBBBCFB4BB5F471E558162047A93" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherIncome" xlink:label="loc_us-gaap_OtherIncome_5E6A77A4180826824898558162043625" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:to="loc_us-gaap_OtherIncome_5E6A77A4180826824898558162043625" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_0675904837A33ECDD3CC558162040509" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:to="loc_us-gaap_Revenues_0675904837A33ECDD3CC558162040509" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingCostsAndExpenses" xlink:label="loc_us-gaap_OperatingCostsAndExpenses_2F5ED2976804752B53D155816204156D" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:to="loc_us-gaap_OperatingCostsAndExpenses_2F5ED2976804752B53D155816204156D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_90DE70D48F4AA65CA63C558162058164" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_90DE70D48F4AA65CA63C558162058164" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_408761E6C277B77AD051558162050E25" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_408761E6C277B77AD051558162050E25" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="loc_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperationsAbstract_EC63659841C1E69D85965581620591C6" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:to="loc_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperationsAbstract_EC63659841C1E69D85965581620591C6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromSubsidiariesTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeLossFromSubsidiariesTaxExpenseBenefit_D261DCD789BFC02B5056558162058E19" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperationsAbstract_EC63659841C1E69D85965581620591C6" xlink:to="loc_us-gaap_IncomeLossFromSubsidiariesTaxExpenseBenefit_D261DCD789BFC02B5056558162058E19" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_FederalIncomeTaxExpenseOnConsolidatedReturnBasis" xlink:label="loc_wrb_FederalIncomeTaxExpenseOnConsolidatedReturnBasis_E1377EFC65F88B8EB2205581620506CD" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperationsAbstract_EC63659841C1E69D85965581620591C6" xlink:to="loc_wrb_FederalIncomeTaxExpenseOnConsolidatedReturnBasis_E1377EFC65F88B8EB2205581620506CD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_8D59ACC701CF637F545055816206CFB3" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperationsAbstract_EC63659841C1E69D85965581620591C6" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_8D59ACC701CF637F545055816206CFB3" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_IncomeBeforeUndistributedEquityInNetIncomeLossOfSubsidiaries" xlink:label="loc_wrb_IncomeBeforeUndistributedEquityInNetIncomeLossOfSubsidiaries_E55D3992C5C4D89A856A558162069F88" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:to="loc_wrb_IncomeBeforeUndistributedEquityInNetIncomeLossOfSubsidiaries_E55D3992C5C4D89A856A558162069F88" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_EquityInUndistributedNetIncomeLossOfSubsidiaries" xlink:label="loc_wrb_EquityInUndistributedNetIncomeLossOfSubsidiaries_E122ED045AA7E4E933D5558162060351" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:to="loc_wrb_EquityInUndistributedNetIncomeLossOfSubsidiaries_E122ED045AA7E4E933D5558162060351" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_0A8D168D4BB4980067A55581620650DA" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:to="loc_us-gaap_NetIncomeLoss_0A8D168D4BB4980067A55581620650DA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashDividendsPaidToParentCompany" xlink:label="loc_us-gaap_CashDividendsPaidToParentCompany_F17F533771639BAA659D55816206ED27" xlink:type="locator"/>
<link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_099F6B205CB4F5FF55A3558162031073" xlink:to="loc_us-gaap_CashDividendsPaidToParentCompany_F17F533771639BAA659D55816206ED27" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ScheduleIiiSupplementaryInsuranceInformation" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SupplementaryInsuranceInformationAbstract" xlink:label="loc_srt_SupplementaryInsuranceInformationAbstract_11D9AACF1E44216F1FF6EBC169ECBEF4" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SupplementaryInsuranceInformationForInsuranceCompaniesDisclosureTextBlock" xlink:label="loc_srt_SupplementaryInsuranceInformationForInsuranceCompaniesDisclosureTextBlock_54D1E1C3A8E13B8F11FBEBC169EC8776" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationAbstract_11D9AACF1E44216F1FF6EBC169ECBEF4" xlink:to="loc_srt_SupplementaryInsuranceInformationForInsuranceCompaniesDisclosureTextBlock_54D1E1C3A8E13B8F11FBEBC169EC8776" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ScheduleIiiSupplementaryInsuranceInformationDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SupplementaryInsuranceInformationAbstract" xlink:label="loc_srt_SupplementaryInsuranceInformationAbstract_D93921F03CE4C2C81D5F5A4F39C1D7A0" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SupplementaryInsuranceInformationBySegmentTable" xlink:label="loc_srt_SupplementaryInsuranceInformationBySegmentTable_29E365C9E1C4375675405A4F39C17195" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationAbstract_D93921F03CE4C2C81D5F5A4F39C1D7A0" xlink:to="loc_srt_SupplementaryInsuranceInformationBySegmentTable_29E365C9E1C4375675405A4F39C17195" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="loc_srt_ConsolidatedEntitiesAxis_B6E23F91D9C09FA172CA5A4F39C205A2" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationBySegmentTable_29E365C9E1C4375675405A4F39C17195" xlink:to="loc_srt_ConsolidatedEntitiesAxis_B6E23F91D9C09FA172CA5A4F39C205A2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srt_ConsolidatedEntitiesDomain_17606DC0F420951EF1E75A4F39C20FF7" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesAxis_B6E23F91D9C09FA172CA5A4F39C205A2" xlink:to="loc_srt_ConsolidatedEntitiesDomain_17606DC0F420951EF1E75A4F39C20FF7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ParentCompanyMember" xlink:label="loc_srt_ParentCompanyMember_F31AD66B833FC3A4B1C65A4F39C30259" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesDomain_17606DC0F420951EF1E75A4F39C20FF7" xlink:to="loc_srt_ParentCompanyMember_F31AD66B833FC3A4B1C65A4F39C30259" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_4E4DDFC6380D9E21E0425A4F39C47577" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationBySegmentTable_29E365C9E1C4375675405A4F39C17195" xlink:to="loc_srt_ConsolidationItemsAxis_4E4DDFC6380D9E21E0425A4F39C47577" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_B920A7CEC0B382284E175A4F39C44B02" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_4E4DDFC6380D9E21E0425A4F39C47577" xlink:to="loc_srt_ConsolidationItemsDomain_B920A7CEC0B382284E175A4F39C44B02" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_914CECD5885668B7F0B95A4F39C5ADDF" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_B920A7CEC0B382284E175A4F39C44B02" xlink:to="loc_us-gaap_OperatingSegmentsMember_914CECD5885668B7F0B95A4F39C5ADDF" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_CorporateReconcilingItemsAndEliminationsMember" xlink:label="loc_wrb_CorporateReconcilingItemsAndEliminationsMember_E4630F68A9C5EB8A06FA5A4F39C57A9C" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_B920A7CEC0B382284E175A4F39C44B02" xlink:to="loc_wrb_CorporateReconcilingItemsAndEliminationsMember_E4630F68A9C5EB8A06FA5A4F39C57A9C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_0516DF29E31C02F466485A4F39C618B2" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationBySegmentTable_29E365C9E1C4375675405A4F39C17195" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_0516DF29E31C02F466485A4F39C618B2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_60DCA8CAC146446249795A4F39C676E2" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_0516DF29E31C02F466485A4F39C618B2" xlink:to="loc_us-gaap_SegmentDomain_60DCA8CAC146446249795A4F39C676E2" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_InsuranceDomesticSegmentMember" xlink:label="loc_wrb_InsuranceDomesticSegmentMember_17D5128120AEB4E46F985A4F39C6A1FA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_60DCA8CAC146446249795A4F39C676E2" xlink:to="loc_wrb_InsuranceDomesticSegmentMember_17D5128120AEB4E46F985A4F39C6A1FA" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReinsuranceandMonolineExcessSegmentMember" xlink:label="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_EF876F5E24D9F23739795A4F39C9E12D" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_60DCA8CAC146446249795A4F39C676E2" xlink:to="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_EF876F5E24D9F23739795A4F39C9E12D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SupplementaryInsuranceInformationBySegmentLineItems" xlink:label="loc_srt_SupplementaryInsuranceInformationBySegmentLineItems_5B246108E4FAB85210CB5A4F39C906F6" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationBySegmentTable_29E365C9E1C4375675405A4F39C17195" xlink:to="loc_srt_SupplementaryInsuranceInformationBySegmentLineItems_5B246108E4FAB85210CB5A4F39C906F6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts" xlink:label="loc_us-gaap_SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts_0296EA1DB0B2BD50C0575A4F39CA9601" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationBySegmentLineItems_5B246108E4FAB85210CB5A4F39C906F6" xlink:to="loc_us-gaap_SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts_0296EA1DB0B2BD50C0575A4F39CA9601" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves" xlink:label="loc_us-gaap_SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves_9DAD3AF6EC598BCC1DE55A4F39CAAF03" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationBySegmentLineItems_5B246108E4FAB85210CB5A4F39C906F6" xlink:to="loc_us-gaap_SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves_9DAD3AF6EC598BCC1DE55A4F39CAAF03" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementaryInsuranceInformationUnearnedPremiums" xlink:label="loc_us-gaap_SupplementaryInsuranceInformationUnearnedPremiums_0C093703DA7DCF405FB85A4F39CA4800" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationBySegmentLineItems_5B246108E4FAB85210CB5A4F39C906F6" xlink:to="loc_us-gaap_SupplementaryInsuranceInformationUnearnedPremiums_0C093703DA7DCF405FB85A4F39CA4800" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementaryInsuranceInformationPremiumRevenue" xlink:label="loc_us-gaap_SupplementaryInsuranceInformationPremiumRevenue_A36C6AF5522FCA1C65435A4F39CA58E3" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationBySegmentLineItems_5B246108E4FAB85210CB5A4F39C906F6" xlink:to="loc_us-gaap_SupplementaryInsuranceInformationPremiumRevenue_A36C6AF5522FCA1C65435A4F39CA58E3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementaryInsuranceInformationNetInvestmentIncome" xlink:label="loc_us-gaap_SupplementaryInsuranceInformationNetInvestmentIncome_FDE2CFAB17589D72C30D5A4F39CB9690" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationBySegmentLineItems_5B246108E4FAB85210CB5A4F39C906F6" xlink:to="loc_us-gaap_SupplementaryInsuranceInformationNetInvestmentIncome_FDE2CFAB17589D72C30D5A4F39CB9690" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense" xlink:label="loc_us-gaap_SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense_EEA01580DDFF60D487AC5A4F39CB735A" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationBySegmentLineItems_5B246108E4FAB85210CB5A4F39C906F6" xlink:to="loc_us-gaap_SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense_EEA01580DDFF60D487AC5A4F39CB735A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts" xlink:label="loc_us-gaap_SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts_716AC70A406CD0A20C9F5A4F39CB0A45" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationBySegmentLineItems_5B246108E4FAB85210CB5A4F39C906F6" xlink:to="loc_us-gaap_SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts_716AC70A406CD0A20C9F5A4F39CB0A45" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementaryInsuranceInformationOtherOperatingExpense" xlink:label="loc_us-gaap_SupplementaryInsuranceInformationOtherOperatingExpense_82D043A20EA18E13FAAA5A4F39CBE486" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationBySegmentLineItems_5B246108E4FAB85210CB5A4F39C906F6" xlink:to="loc_us-gaap_SupplementaryInsuranceInformationOtherOperatingExpense_82D043A20EA18E13FAAA5A4F39CBE486" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementaryInsuranceInformationPremiumsWritten" xlink:label="loc_us-gaap_SupplementaryInsuranceInformationPremiumsWritten_7F81D410F847751DC9795A4F39CB20FB" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementaryInsuranceInformationBySegmentLineItems_5B246108E4FAB85210CB5A4F39C906F6" xlink:to="loc_us-gaap_SupplementaryInsuranceInformationPremiumsWritten_7F81D410F847751DC9795A4F39CB20FB" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ScheduleIvReinsurance" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SupplementalScheduleOfReinsurancePremiumsForInsuranceCompaniesAbstract" xlink:label="loc_srt_SupplementalScheduleOfReinsurancePremiumsForInsuranceCompaniesAbstract_4A403C3AD109DA0BBD96EBC1690B3127" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SupplementalScheduleOfReinsurancePremiumsForInsuranceCompaniesTextBlock" xlink:label="loc_srt_SupplementalScheduleOfReinsurancePremiumsForInsuranceCompaniesTextBlock_3B0DD954A1BE6E3CCE28EBC1690B6BC2" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementalScheduleOfReinsurancePremiumsForInsuranceCompaniesAbstract_4A403C3AD109DA0BBD96EBC1690B3127" xlink:to="loc_srt_SupplementalScheduleOfReinsurancePremiumsForInsuranceCompaniesTextBlock_3B0DD954A1BE6E3CCE28EBC1690B6BC2" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ScheduleIvReinsuranceDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SupplementalScheduleOfReinsurancePremiumsForInsuranceCompaniesAbstract" xlink:label="loc_srt_SupplementalScheduleOfReinsurancePremiumsForInsuranceCompaniesAbstract_B95D5AAAC876B25E3BF8558161A82D2A" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentTable" xlink:label="loc_srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentTable_F9BF2D5B16972722B4F9558161A8726A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementalScheduleOfReinsurancePremiumsForInsuranceCompaniesAbstract_B95D5AAAC876B25E3BF8558161A82D2A" xlink:to="loc_srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentTable_F9BF2D5B16972722B4F9558161A8726A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_1727F56AB9751FF8D069558161A8AC0A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentTable_F9BF2D5B16972722B4F9558161A8726A" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_1727F56AB9751FF8D069558161A8AC0A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_B83D0EA1019FCC06E053558161A9BB0D" xlink:type="locator"/>
<link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_1727F56AB9751FF8D069558161A8AC0A" xlink:to="loc_us-gaap_SegmentDomain_B83D0EA1019FCC06E053558161A9BB0D" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_InsuranceDomesticSegmentMember" xlink:label="loc_wrb_InsuranceDomesticSegmentMember_B022EB76340DA16F20CE558161A91382" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_B83D0EA1019FCC06E053558161A9BB0D" xlink:to="loc_wrb_InsuranceDomesticSegmentMember_B022EB76340DA16F20CE558161A91382" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ReinsuranceandMonolineExcessSegmentMember" xlink:label="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_C74CAD3271EC2B420EF9558161A9016A" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_B83D0EA1019FCC06E053558161A9BB0D" xlink:to="loc_wrb_ReinsuranceandMonolineExcessSegmentMember_C74CAD3271EC2B420EF9558161A9016A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentLineItems" xlink:label="loc_srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentLineItems_A0BF5461CC6FF7469A60558161AA7C4A" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentTable_F9BF2D5B16972722B4F9558161A8726A" xlink:to="loc_srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentLineItems_A0BF5461CC6FF7469A60558161AA7C4A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DirectPremiumsWritten" xlink:label="loc_us-gaap_DirectPremiumsWritten_E0970E7593D559E67C37558161AA2714" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentLineItems_A0BF5461CC6FF7469A60558161AA7C4A" xlink:to="loc_us-gaap_DirectPremiumsWritten_E0970E7593D559E67C37558161AA2714" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CededPremiumsWritten" xlink:label="loc_us-gaap_CededPremiumsWritten_5ECE522044844F14D1D8558161AAE01B" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentLineItems_A0BF5461CC6FF7469A60558161AA7C4A" xlink:to="loc_us-gaap_CededPremiumsWritten_5ECE522044844F14D1D8558161AAE01B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssumedPremiumsWritten" xlink:label="loc_us-gaap_AssumedPremiumsWritten_5BDC7413813AAB8BB405558161AA4C80" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentLineItems_A0BF5461CC6FF7469A60558161AA7C4A" xlink:to="loc_us-gaap_AssumedPremiumsWritten_5BDC7413813AAB8BB405558161AA4C80" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsWrittenNet" xlink:label="loc_us-gaap_PremiumsWrittenNet_4FFFC61A544F290B97B3558161AA9938" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentLineItems_A0BF5461CC6FF7469A60558161AA7C4A" xlink:to="loc_us-gaap_PremiumsWrittenNet_4FFFC61A544F290B97B3558161AA9938" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsPercentageAssumedToNet" xlink:label="loc_us-gaap_PremiumsPercentageAssumedToNet_7A7F6D9DDDC7EF560C2C558161AB5F60" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentLineItems_A0BF5461CC6FF7469A60558161AA7C4A" xlink:to="loc_us-gaap_PremiumsPercentageAssumedToNet_7A7F6D9DDDC7EF560C2C558161AB5F60" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ScheduleVValuationAndQualifyingAccounts" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ValuationAndQualifyingAccountsAbstract" xlink:label="loc_srt_ValuationAndQualifyingAccountsAbstract_0AE1F9589052D459CD46EBC16945ECFC" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:label="loc_srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_8E6CB40C953F01A66F26EBC169452F0D" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ValuationAndQualifyingAccountsAbstract_0AE1F9589052D459CD46EBC16945ECFC" xlink:to="loc_srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_8E6CB40C953F01A66F26EBC169452F0D" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ScheduleVValuationAndQualifyingAccountsDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ValuationAndQualifyingAccountsAbstract" xlink:label="loc_srt_ValuationAndQualifyingAccountsAbstract_1267CEB3825CA253A36DEBC167F24A7A" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="loc_srt_ValuationAndQualifyingAccountsDisclosureTable_12C690FDC21023DE38EEEBC167F2C469" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ValuationAndQualifyingAccountsAbstract_1267CEB3825CA253A36DEBC167F24A7A" xlink:to="loc_srt_ValuationAndQualifyingAccountsDisclosureTable_12C690FDC21023DE38EEEBC167F2C469" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_232BC371A9237AF232B0EBC167F2AC82" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ValuationAndQualifyingAccountsDisclosureTable_12C690FDC21023DE38EEEBC167F2C469" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_232BC371A9237AF232B0EBC167F2AC82" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_90644064C6A7B9C194E6EBC167F34C8E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_232BC371A9237AF232B0EBC167F2AC82" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_90644064C6A7B9C194E6EBC167F34C8E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForUncollectiblePremiumsReceivableMember" xlink:label="loc_us-gaap_AllowanceForUncollectiblePremiumsReceivableMember_57C8E1E68482BED5540DEBC167F46EDF" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_90644064C6A7B9C194E6EBC167F34C8E" xlink:to="loc_us-gaap_AllowanceForUncollectiblePremiumsReceivableMember_57C8E1E68482BED5540DEBC167F46EDF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForReinsuranceRecoverableMember" xlink:label="loc_us-gaap_AllowanceForReinsuranceRecoverableMember_F85EFA0179C1C5CC00CCEBC167F4443D" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_90644064C6A7B9C194E6EBC167F34C8E" xlink:to="loc_us-gaap_AllowanceForReinsuranceRecoverableMember_F85EFA0179C1C5CC00CCEBC167F4443D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember" xlink:label="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_F5730337FAFF7A543DB8EBC167F44019" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_90644064C6A7B9C194E6EBC167F34C8E" xlink:to="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_F5730337FAFF7A543DB8EBC167F44019" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForLoanAndLeaseLossesMember" xlink:label="loc_us-gaap_AllowanceForLoanAndLeaseLossesMember_596898CD31FA0C5CFD7BEBC167F4FC8C" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_90644064C6A7B9C194E6EBC167F34C8E" xlink:to="loc_us-gaap_AllowanceForLoanAndLeaseLossesMember_596898CD31FA0C5CFD7BEBC167F4FC8C" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_GeneralValuationAllowanceMember" xlink:label="loc_wrb_GeneralValuationAllowanceMember_4548BB2E294C5C7496FBEBC167F5287B" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_90644064C6A7B9C194E6EBC167F34C8E" xlink:to="loc_wrb_GeneralValuationAllowanceMember_4548BB2E294C5C7496FBEBC167F5287B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="loc_srt_ValuationAndQualifyingAccountsDisclosureLineItems_721285583FD5E4B99EABEBC167F56BE2" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ValuationAndQualifyingAccountsDisclosureTable_12C690FDC21023DE38EEEBC167F2C469" xlink:to="loc_srt_ValuationAndQualifyingAccountsDisclosureLineItems_721285583FD5E4B99EABEBC167F56BE2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_5658BC60B123E10D111BEBC167F5CF84" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ValuationAndQualifyingAccountsDisclosureLineItems_721285583FD5E4B99EABEBC167F56BE2" xlink:to="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_5658BC60B123E10D111BEBC167F5CF84" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_C0B3460C5F3F6F8D357FEBC167F6A00F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_5658BC60B123E10D111BEBC167F5CF84" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesBalance_C0B3460C5F3F6F8D357FEBC167F6A00F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_1935DDA2A859E272AB26EBC167F621B5" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_5658BC60B123E10D111BEBC167F5CF84" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_1935DDA2A859E272AB26EBC167F621B5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDeductions_AED0F971086911B196BFEBC167F6CB43" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_5658BC60B123E10D111BEBC167F5CF84" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDeductions_AED0F971086911B196BFEBC167F6CB43" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_4383FEE02F412749CC0EEBC167F64F50" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_5658BC60B123E10D111BEBC167F5CF84" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesBalance_4383FEE02F412749CC0EEBC167F64F50" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ScheduleViSupplementaryInformationConcerningPropertyCasualtyInsuranceOperations" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract" xlink:label="loc_srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_9FC04548B4804EF7592BEBC168CC7506" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScheduleOfSupplementalInformationForPropertyCasualtyInsuranceUnderwritersTextBlock" xlink:label="loc_srt_ScheduleOfSupplementalInformationForPropertyCasualtyInsuranceUnderwritersTextBlock_BFEF4909F41C15560F73EBC168CCE99D" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_9FC04548B4804EF7592BEBC168CC7506" xlink:to="loc_srt_ScheduleOfSupplementalInformationForPropertyCasualtyInsuranceUnderwritersTextBlock_BFEF4909F41C15560F73EBC168CCE99D" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/ScheduleViSupplementaryInformationConcerningPropertyCasualtyInsuranceOperationsDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract" xlink:label="loc_srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_AF0FD9F585E2644E6F76EBC16B03175D" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDeferredPolicyAcquisitionCosts" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDeferredPolicyAcquisitionCosts_A413483C430B1EE19D7DEBC16B03B589" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_AF0FD9F585E2644E6F76EBC16B03175D" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDeferredPolicyAcquisitionCosts_A413483C430B1EE19D7DEBC16B03B589" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersReservesForUnpaidClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersReservesForUnpaidClaimsAndClaimsAdjustmentExpense_28504F061F7AC074D307EBC16B04773D" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_AF0FD9F585E2644E6F76EBC16B03175D" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersReservesForUnpaidClaimsAndClaimsAdjustmentExpense_28504F061F7AC074D307EBC16B04773D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersUnearnedPremiums" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersUnearnedPremiums_F2B8658EBFB238A3CE63EBC16B049DD3" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_AF0FD9F585E2644E6F76EBC16B03175D" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersUnearnedPremiums_F2B8658EBFB238A3CE63EBC16B049DD3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersEarnedPremiums" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersEarnedPremiums_F9C57CF19E7FF59B9DC0EBC16B04CED4" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_AF0FD9F585E2644E6F76EBC16B03175D" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersEarnedPremiums_F9C57CF19E7FF59B9DC0EBC16B04CED4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersNetInvestmentIncome" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersNetInvestmentIncome_FFEBA7DA5D41C8C1CCB6EBC16B04AB22" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_AF0FD9F585E2644E6F76EBC16B03175D" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersNetInvestmentIncome_FFEBA7DA5D41C8C1CCB6EBC16B04AB22" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract_3A5D9646AE5AD56A01D0EBC16B051CD7" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_AF0FD9F585E2644E6F76EBC16B03175D" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract_3A5D9646AE5AD56A01D0EBC16B051CD7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_69E1D52BDCD0946774E4EBC16B05BE31" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract_3A5D9646AE5AD56A01D0EBC16B051CD7" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_69E1D52BDCD0946774E4EBC16B05BE31" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_04F386B6BE294188DDD1EBC16B06FE56" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract_3A5D9646AE5AD56A01D0EBC16B051CD7" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_04F386B6BE294188DDD1EBC16B06FE56" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SupplementalInformationforPropertyCasualtyInsuranceUnderwritersLossReserveDiscountAccretion" xlink:label="loc_wrb_SupplementalInformationforPropertyCasualtyInsuranceUnderwritersLossReserveDiscountAccretion_9EC08FF1D40606EBBDE9EBC16B064B3E" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_AF0FD9F585E2644E6F76EBC16B03175D" xlink:to="loc_wrb_SupplementalInformationforPropertyCasualtyInsuranceUnderwritersLossReserveDiscountAccretion_9EC08FF1D40606EBBDE9EBC16B064B3E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAmortizationOfDeferredPolicyAcquisitionCosts" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAmortizationOfDeferredPolicyAcquisitionCosts_67E83B1CA7A7AB0B5B77EBC16B06C28F" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_AF0FD9F585E2644E6F76EBC16B03175D" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAmortizationOfDeferredPolicyAcquisitionCosts_67E83B1CA7A7AB0B5B77EBC16B06C28F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPaidClaimsAndClaimsAdjustmentExpense" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPaidClaimsAndClaimsAdjustmentExpense_DFBD79085A7272E65D2AEBC16B06F4FF" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_AF0FD9F585E2644E6F76EBC16B03175D" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPaidClaimsAndClaimsAdjustmentExpense_DFBD79085A7272E65D2AEBC16B06F4FF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPremiumsWritten" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPremiumsWritten_C02765FA8E5813B89B79EBC16B07DB61" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_AF0FD9F585E2644E6F76EBC16B03175D" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPremiumsWritten_C02765FA8E5813B89B79EBC16B07DB61" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/SecuritiesInUnrealizedLossPosition" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0092803431287C14E94BEBC16A38AA13" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SecuritiesinUnrealizedLossPositionTextBlock" xlink:label="loc_wrb_SecuritiesinUnrealizedLossPositionTextBlock_43E312917F42F4720698EBC16A394095" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0092803431287C14E94BEBC16A38AA13" xlink:to="loc_wrb_SecuritiesinUnrealizedLossPositionTextBlock_43E312917F42F4720698EBC16A394095" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/SecuritiesInUnrealizedLossPositionNarrativeDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_49A3C6620683A790E19B5633EDFD5B74" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_C533E71B90D1C4442C8A5633EDFD8B5E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_49A3C6620683A790E19B5633EDFD5B74" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_C533E71B90D1C4442C8A5633EDFD8B5E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_0C1E42BB993576334E635633EDFE2970" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_C533E71B90D1C4442C8A5633EDFD8B5E" xlink:to="loc_us-gaap_FinancialInstrumentAxis_0C1E42BB993576334E635633EDFE2970" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C4F0543160A10A91AE8F5633EDFEDD08" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentAxis_0C1E42BB993576334E635633EDFE2970" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C4F0543160A10A91AE8F5633EDFEDD08" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FixedMaturitiesMember" xlink:label="loc_us-gaap_FixedMaturitiesMember_03B46E990130F62ABC745633EDFEC73D" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_C4F0543160A10A91AE8F5633EDFEDD08" xlink:to="loc_us-gaap_FixedMaturitiesMember_03B46E990130F62ABC745633EDFEC73D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_C13CB29F2A713749E1425633EDFE735C" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_C533E71B90D1C4442C8A5633EDFD8B5E" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_C13CB29F2A713749E1425633EDFE735C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ImpairmentOfInvestments" xlink:label="loc_us-gaap_ImpairmentOfInvestments_A06B01FC83DD329B9FF75633EDFFF5B0" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_C13CB29F2A713749E1425633EDFE735C" xlink:to="loc_us-gaap_ImpairmentOfInvestments_A06B01FC83DD329B9FF75633EDFFF5B0" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/SecuritiesInUnrealizedLossPositionNonInvestmentGradeFixedMaturitySecuritiesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_2B4A7DFEB44ECDB713F5EBC16809F787" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_B8C32E1E0CDE25B20926EBC1680972A4" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_2B4A7DFEB44ECDB713F5EBC16809F787" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_B8C32E1E0CDE25B20926EBC1680972A4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ExternalCreditRatingByGroupingAxis" xlink:label="loc_us-gaap_ExternalCreditRatingByGroupingAxis_11DCA7709E740AA112A8EBC1680AC650" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_B8C32E1E0CDE25B20926EBC1680972A4" xlink:to="loc_us-gaap_ExternalCreditRatingByGroupingAxis_11DCA7709E740AA112A8EBC1680AC650" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ExternalCreditRatingByGroupingDomain" xlink:label="loc_us-gaap_ExternalCreditRatingByGroupingDomain_419334EE31DC4F6ECC4BEBC1680AA15E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ExternalCreditRatingByGroupingAxis_11DCA7709E740AA112A8EBC1680AC650" xlink:to="loc_us-gaap_ExternalCreditRatingByGroupingDomain_419334EE31DC4F6ECC4BEBC1680AA15E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ExternalCreditRatingNonInvestmentGradeMember" xlink:label="loc_us-gaap_ExternalCreditRatingNonInvestmentGradeMember_3D5F480B59F8B05C35F0EBC1680B37FD" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ExternalCreditRatingByGroupingDomain_419334EE31DC4F6ECC4BEBC1680AA15E" xlink:to="loc_us-gaap_ExternalCreditRatingNonInvestmentGradeMember_3D5F480B59F8B05C35F0EBC1680B37FD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_E2567780926190867652EBC1680BA399" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_B8C32E1E0CDE25B20926EBC1680972A4" xlink:to="loc_us-gaap_FinancialInstrumentAxis_E2567780926190867652EBC1680BA399" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_620775022C78134A6E0EEBC1680B9CF4" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentAxis_E2567780926190867652EBC1680BA399" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_620775022C78134A6E0EEBC1680B9CF4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_F50A290F3DAD55284296EBC1680BF89B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_620775022C78134A6E0EEBC1680B9CF4" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_F50A290F3DAD55284296EBC1680BF89B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_F5A62B4364FE134AC364EBC1680C70B2" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_620775022C78134A6E0EEBC1680B9CF4" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_F5A62B4364FE134AC364EBC1680C70B2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MortgageBackedSecuritiesMember" xlink:label="loc_us-gaap_MortgageBackedSecuritiesMember_3C982B5618CCA73F7AB8EBC1680CB96A" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_620775022C78134A6E0EEBC1680B9CF4" xlink:to="loc_us-gaap_MortgageBackedSecuritiesMember_3C982B5618CCA73F7AB8EBC1680CB96A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_C1B21D88BB6D683C1654EBC1680C332B" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_620775022C78134A6E0EEBC1680B9CF4" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_C1B21D88BB6D683C1654EBC1680C332B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesMember" xlink:label="loc_us-gaap_DebtSecuritiesMember_5B02F70B0133DC90C4E7EBC1680DC315" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_620775022C78134A6E0EEBC1680B9CF4" xlink:to="loc_us-gaap_DebtSecuritiesMember_5B02F70B0133DC90C4E7EBC1680DC315" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7067E841CB67C195EB9BEBC1680DF3A9" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_B8C32E1E0CDE25B20926EBC1680972A4" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7067E841CB67C195EB9BEBC1680DF3A9" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPositionNumberofPositions" xlink:label="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPositionNumberofPositions_FA9F277F3426CD68A594EBC1680D5046" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7067E841CB67C195EB9BEBC1680DF3A9" xlink:to="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPositionNumberofPositions_FA9F277F3426CD68A594EBC1680D5046" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPosition" xlink:label="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPosition_4DAE2D5D745D818062FBEBC1680D7D67" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7067E841CB67C195EB9BEBC1680DF3A9" xlink:to="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPosition_4DAE2D5D745D818062FBEBC1680D7D67" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPositionAccumulatedLoss" xlink:label="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPositionAccumulatedLoss_9E59900781C2CCF17767EBC1680ED974" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7067E841CB67C195EB9BEBC1680DF3A9" xlink:to="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPositionAccumulatedLoss_9E59900781C2CCF17767EBC1680ED974" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/SecuritiesInUnrealizedLossPositionSecuritiesInUnrealizedLossPositionDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_39782A4B21E412EEACF6EBC81CFC499C" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_A01E99C1B34BCB3EF840EBC81CFC410B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_39782A4B21E412EEACF6EBC81CFC499C" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_A01E99C1B34BCB3EF840EBC81CFC410B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ExternalCreditRatingByGroupingAxis" xlink:label="loc_us-gaap_ExternalCreditRatingByGroupingAxis_3EECCA3515794810D61DEBC81CFDD5AA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_A01E99C1B34BCB3EF840EBC81CFC410B" xlink:to="loc_us-gaap_ExternalCreditRatingByGroupingAxis_3EECCA3515794810D61DEBC81CFDD5AA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ExternalCreditRatingByGroupingDomain" xlink:label="loc_us-gaap_ExternalCreditRatingByGroupingDomain_F48C16CBCE681E11D75BEBC81CFD0B9F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ExternalCreditRatingByGroupingAxis_3EECCA3515794810D61DEBC81CFDD5AA" xlink:to="loc_us-gaap_ExternalCreditRatingByGroupingDomain_F48C16CBCE681E11D75BEBC81CFD0B9F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ExternalCreditRatingInvestmentGradeMember" xlink:label="loc_us-gaap_ExternalCreditRatingInvestmentGradeMember_CC06F57C107836E24C07EBC81CFD3A9B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ExternalCreditRatingByGroupingDomain_F48C16CBCE681E11D75BEBC81CFD0B9F" xlink:to="loc_us-gaap_ExternalCreditRatingInvestmentGradeMember_CC06F57C107836E24C07EBC81CFD3A9B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_AC65D5311CD2F4D5616BEBC81CFEAF03" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_A01E99C1B34BCB3EF840EBC81CFC410B" xlink:to="loc_us-gaap_FinancialInstrumentAxis_AC65D5311CD2F4D5616BEBC81CFEAF03" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_218D21255FDF2829BBA9EBC81CFE7ED6" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentAxis_AC65D5311CD2F4D5616BEBC81CFEAF03" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_218D21255FDF2829BBA9EBC81CFE7ED6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USTreasuryAndGovernmentMember" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_9AC5771DA03EFD2C2218EBC81CFE04F9" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_218D21255FDF2829BBA9EBC81CFE7ED6" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_9AC5771DA03EFD2C2218EBC81CFE04F9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USStatesAndPoliticalSubdivisionsMember" xlink:label="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_08703841382CAA2BA5A8EBC81CFE2043" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_218D21255FDF2829BBA9EBC81CFE7ED6" xlink:to="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_08703841382CAA2BA5A8EBC81CFE2043" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MortgageBackedSecuritiesMember" xlink:label="loc_us-gaap_MortgageBackedSecuritiesMember_DC29EB6CC04DCFF6388DEBC81CFFB47B" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_218D21255FDF2829BBA9EBC81CFE7ED6" xlink:to="loc_us-gaap_MortgageBackedSecuritiesMember_DC29EB6CC04DCFF6388DEBC81CFFB47B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_4EC0E6EECDDC94B052B4EBC81CFF64AA" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_218D21255FDF2829BBA9EBC81CFE7ED6" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_4EC0E6EECDDC94B052B4EBC81CFF64AA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_D42B65E30873207547CAEBC81CFF9C5A" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_218D21255FDF2829BBA9EBC81CFE7ED6" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_D42B65E30873207547CAEBC81CFF9C5A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_AB360C24A6BAE9C9F88CEBC81CFF5EF7" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_218D21255FDF2829BBA9EBC81CFE7ED6" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_AB360C24A6BAE9C9F88CEBC81CFF5EF7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesMember" xlink:label="loc_us-gaap_DebtSecuritiesMember_F1EEAE5F408D964B1D63EBC81D0083FD" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_218D21255FDF2829BBA9EBC81CFE7ED6" xlink:to="loc_us-gaap_DebtSecuritiesMember_F1EEAE5F408D964B1D63EBC81D0083FD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_F5F535D4005C66F5D40FEBC81D005035" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_218D21255FDF2829BBA9EBC81CFE7ED6" xlink:to="loc_us-gaap_CommonStockMember_F5F535D4005C66F5D40FEBC81D005035" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockMember" xlink:label="loc_us-gaap_PreferredStockMember_2C7585267B442523BB1DEBC81D0007A6" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_218D21255FDF2829BBA9EBC81CFE7ED6" xlink:to="loc_us-gaap_PreferredStockMember_2C7585267B442523BB1DEBC81D0007A6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember_FA180B57A8C77ADC402EEBC81D005757" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_218D21255FDF2829BBA9EBC81CFE7ED6" xlink:to="loc_us-gaap_EquitySecuritiesMember_FA180B57A8C77ADC402EEBC81D005757" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_89C970BECC0A978FC5A5EBC81D00C865" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_A01E99C1B34BCB3EF840EBC81CFC410B" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_89C970BECC0A978FC5A5EBC81D00C865" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPositionLessthan12Months" xlink:label="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPositionLessthan12Months_4F6A9DF11008276507D9EBC81D01A24E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_89C970BECC0A978FC5A5EBC81D00C865" xlink:to="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPositionLessthan12Months_4F6A9DF11008276507D9EBC81D01A24E" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPositionLessthan12MonthsAccumulatedLoss" xlink:label="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPositionLessthan12MonthsAccumulatedLoss_46065464847ED544BB58EBC81D011236" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_89C970BECC0A978FC5A5EBC81D00C865" xlink:to="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPositionLessthan12MonthsAccumulatedLoss_46065464847ED544BB58EBC81D011236" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPosition12MonthsorLonger" xlink:label="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPosition12MonthsorLonger_7C50A929366DAF0CD375EBC81D02069F" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_89C970BECC0A978FC5A5EBC81D00C865" xlink:to="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPosition12MonthsorLonger_7C50A929366DAF0CD375EBC81D02069F" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPosition12MonthsorLongerAccumulatedLoss" xlink:label="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPosition12MonthsorLongerAccumulatedLoss_FEB4ED8FC2CF2F21F86CEBC81D024116" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_89C970BECC0A978FC5A5EBC81D00C865" xlink:to="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityContinuousUnrealizedLossPosition12MonthsorLongerAccumulatedLoss_FEB4ED8FC2CF2F21F86CEBC81D024116" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPosition" xlink:label="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPosition_B39D504FCA3131AE69F4EBC81D02B877" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_89C970BECC0A978FC5A5EBC81D00C865" xlink:to="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPosition_B39D504FCA3131AE69F4EBC81D02B877" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPositionAccumulatedLoss" xlink:label="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPositionAccumulatedLoss_298C981C06150ACFCCFEEBC81D0235B0" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_89C970BECC0A978FC5A5EBC81D00C865" xlink:to="loc_wrb_DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLossPositionAccumulatedLoss_298C981C06150ACFCCFEEBC81D0235B0" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/SecuritiesInUnrealizedLossPositionTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_5DF76B1A562973A4B0B0EBC16AC381D7" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_SecuritiesInContinuousUnrealizedLossPositionTableTextBlock" xlink:label="loc_wrb_SecuritiesInContinuousUnrealizedLossPositionTableTextBlock_CA00BFCDCCC1A8EC025BEBC16AC49D51" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_5DF76B1A562973A4B0B0EBC16AC381D7" xlink:to="loc_wrb_SecuritiesInContinuousUnrealizedLossPositionTableTextBlock_CA00BFCDCCC1A8EC025BEBC16AC49D51" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_NonInvestmentGradeMarketableSecuritiesFixedMaturitySecuritiesInUnrealizedLossPositionTableTextBlock" xlink:label="loc_wrb_NonInvestmentGradeMarketableSecuritiesFixedMaturitySecuritiesInUnrealizedLossPositionTableTextBlock_82B4C2506867AF74AB87EBC16AC4657A" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_5DF76B1A562973A4B0B0EBC16AC381D7" xlink:to="loc_wrb_NonInvestmentGradeMarketableSecuritiesFixedMaturitySecuritiesInUnrealizedLossPositionTableTextBlock_82B4C2506867AF74AB87EBC16AC4657A" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/StockIncentivePlan" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_F7FD8A50F118017C034BEBC168BB8881" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_5648CE49486A55200D23EBC168BC07C9" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_F7FD8A50F118017C034BEBC168BB8881" xlink:to="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_5648CE49486A55200D23EBC168BC07C9" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/StockIncentivePlanScheduleOfNonvestedRestrictedStockUnitsActivityDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_0C607064A04E7D325EDBEBC16A5B85BD" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_BDF6C8CCF513ED34C9A9EBC16A5C49A6" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_0C607064A04E7D325EDBEBC16A5B85BD" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_BDF6C8CCF513ED34C9A9EBC16A5C49A6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_548765A6283BF5A4BF18EBC16A5C9112" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_BDF6C8CCF513ED34C9A9EBC16A5C49A6" xlink:to="loc_srt_RangeAxis_548765A6283BF5A4BF18EBC16A5C9112" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_A51CB98E3D31FCF83B98EBC16A5D4B9D" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_548765A6283BF5A4BF18EBC16A5C9112" xlink:to="loc_srt_RangeMember_A51CB98E3D31FCF83B98EBC16A5D4B9D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_6367F79556E6411F74AFEBC16A5D9BEC" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_A51CB98E3D31FCF83B98EBC16A5D4B9D" xlink:to="loc_srt_MinimumMember_6367F79556E6411F74AFEBC16A5D9BEC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_B9AEB08DB1BE59114442EBC16A5DF018" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_A51CB98E3D31FCF83B98EBC16A5D4B9D" xlink:to="loc_srt_MaximumMember_B9AEB08DB1BE59114442EBC16A5DF018" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_F6C7023C025D943CC1F7EBC16A5D57F5" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_BDF6C8CCF513ED34C9A9EBC16A5C49A6" xlink:to="loc_us-gaap_AwardTypeAxis_F6C7023C025D943CC1F7EBC16A5D57F5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A005B2F08140F1BE63ACEBC16A5D8435" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_F6C7023C025D943CC1F7EBC16A5D57F5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A005B2F08140F1BE63ACEBC16A5D8435" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_3D0C7B191796B980337DEBC16A5EE58A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A005B2F08140F1BE63ACEBC16A5D8435" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_3D0C7B191796B980337DEBC16A5EE58A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_776853E1479ECECBD336EBC16A5EFBF6" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_BDF6C8CCF513ED34C9A9EBC16A5C49A6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_776853E1479ECECBD336EBC16A5EFBF6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_E1253D4D07784096DC9AEBC16A5E3140" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_776853E1479ECECBD336EBC16A5EFBF6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_E1253D4D07784096DC9AEBC16A5E3140" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_FA559EB22A46E85449F7EBC16A5F7AD7" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_E1253D4D07784096DC9AEBC16A5E3140" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_FA559EB22A46E85449F7EBC16A5F7AD7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_7E1FD8A7C30E7FCB6FF5EBC16A5F019C" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_E1253D4D07784096DC9AEBC16A5E3140" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_7E1FD8A7C30E7FCB6FF5EBC16A5F019C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_04F7CAFDE6030605E66AEBC16A5FDFEC" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_E1253D4D07784096DC9AEBC16A5E3140" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_04F7CAFDE6030605E66AEBC16A5FDFEC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_F91D010B6E2509C45ECAEBC16A5F8591" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_E1253D4D07784096DC9AEBC16A5E3140" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_F91D010B6E2509C45ECAEBC16A5F8591" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_51408C81CE6795EE1CC2EBC16A6049AC" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_E1253D4D07784096DC9AEBC16A5E3140" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_51408C81CE6795EE1CC2EBC16A6049AC" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/StockIncentivePlanScheduleOfShareBasedCompensationStockOptionsActivityDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_A55CFC8FA57782E480D6EBC1696DD5A2" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C1BB67C9B0209722F6F9EBC1696EF948" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_A55CFC8FA57782E480D6EBC1696DD5A2" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C1BB67C9B0209722F6F9EBC1696EF948" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_0858B6333171BE556879EBC1696EBE6D" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C1BB67C9B0209722F6F9EBC1696EF948" xlink:to="loc_us-gaap_AwardTypeAxis_0858B6333171BE556879EBC1696EBE6D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_67ADCA194D6BD8283C18EBC1696ED001" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_0858B6333171BE556879EBC1696EBE6D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_67ADCA194D6BD8283C18EBC1696ED001" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_019F6229C28B2F2647F8EBC1696F6FC0" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_67ADCA194D6BD8283C18EBC1696ED001" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_019F6229C28B2F2647F8EBC1696F6FC0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_5BB4996FC73240638349EBC1696F1CCC" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C1BB67C9B0209722F6F9EBC1696EF948" xlink:to="loc_srt_RangeAxis_5BB4996FC73240638349EBC1696F1CCC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_8D21AFEB4F0A55940CDEEBC1696F67BF" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_5BB4996FC73240638349EBC1696F1CCC" xlink:to="loc_srt_RangeMember_8D21AFEB4F0A55940CDEEBC1696F67BF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_093AB3EC010F5C77ECDAEBC16970AF9E" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_8D21AFEB4F0A55940CDEEBC1696F67BF" xlink:to="loc_srt_MinimumMember_093AB3EC010F5C77ECDAEBC16970AF9E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_27D3C06882DFB0CEAF6AEBC16970BBD5" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_8D21AFEB4F0A55940CDEEBC1696F67BF" xlink:to="loc_srt_MaximumMember_27D3C06882DFB0CEAF6AEBC16970BBD5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_45E53A0DE46565000E29EBC16970EA3D" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C1BB67C9B0209722F6F9EBC1696EF948" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_45E53A0DE46565000E29EBC16970EA3D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_4AC7FB98051FE0343631EBC169702712" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_45E53A0DE46565000E29EBC16970EA3D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_4AC7FB98051FE0343631EBC169702712" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued_C502A52E90FF121D480DEBC1697138D9" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_45E53A0DE46565000E29EBC16970EA3D" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued_C502A52E90FF121D480DEBC1697138D9" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/StockIncentivePlanScheduleOfShareBasedCompensationUnearnedCompensationRelatedToRsusDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_EAE649C97617191A03E4EBC16A66B757" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E1AD97DEFE5D38220958EBC16A667158" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_EAE649C97617191A03E4EBC16A66B757" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E1AD97DEFE5D38220958EBC16A667158" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_35DA428E847AE5BDE181EBC16A662825" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E1AD97DEFE5D38220958EBC16A667158" xlink:to="loc_us-gaap_AwardTypeAxis_35DA428E847AE5BDE181EBC16A662825" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFC2CD14E02C405BD0EAEBC16A67237C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_35DA428E847AE5BDE181EBC16A662825" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFC2CD14E02C405BD0EAEBC16A67237C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_C298B5FBC591E7A60EA1EBC16A67C639" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFC2CD14E02C405BD0EAEBC16A67237C" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_C298B5FBC591E7A60EA1EBC16A67C639" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B8A5D3A2B2AC3928308EEBC16A67ADEA" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_E1AD97DEFE5D38220958EBC16A667158" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B8A5D3A2B2AC3928308EEBC16A67ADEA" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsChangesInUnearnedCompensationRollForward" xlink:label="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsChangesInUnearnedCompensationRollForward_35A75771EDBAA00521C7EBC16A67CBCD" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B8A5D3A2B2AC3928308EEBC16A67ADEA" xlink:to="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsChangesInUnearnedCompensationRollForward_35A75771EDBAA00521C7EBC16A67CBCD" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationExpense" xlink:label="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationExpense_A645BF5A17F1B9FD33F4EBC16A68A819" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsChangesInUnearnedCompensationRollForward_35A75771EDBAA00521C7EBC16A67CBCD" xlink:to="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationExpense_A645BF5A17F1B9FD33F4EBC16A68A819" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationGrantsinPeriodNetOfCancellations" xlink:label="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationGrantsinPeriodNetOfCancellations_DE84F1320BBE4B34DDD5EBC16A683950" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsChangesInUnearnedCompensationRollForward_35A75771EDBAA00521C7EBC16A67CBCD" xlink:to="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationGrantsinPeriodNetOfCancellations_DE84F1320BBE4B34DDD5EBC16A683950" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationExpensesInPeriod" xlink:label="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationExpensesInPeriod_6DAC38D2C5659838B255EBC16A688F44" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsChangesInUnearnedCompensationRollForward_35A75771EDBAA00521C7EBC16A67CBCD" xlink:to="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationExpensesInPeriod_6DAC38D2C5659838B255EBC16A688F44" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationForfeitureAdjustmentsInPeriod" xlink:label="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationForfeitureAdjustmentsInPeriod_568F7310B30BBDDA9AFAEBC16A69E80D" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsChangesInUnearnedCompensationRollForward_35A75771EDBAA00521C7EBC16A67CBCD" xlink:to="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationForfeitureAdjustmentsInPeriod_568F7310B30BBDDA9AFAEBC16A69E80D" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationExpense" xlink:label="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationExpense_44C613677014FEAA0391EBC16A69C433" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsChangesInUnearnedCompensationRollForward_35A75771EDBAA00521C7EBC16A67CBCD" xlink:to="loc_wrb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnearnedCompensationExpense_44C613677014FEAA0391EBC16A69C433" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/StockIncentivePlanTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_7A2161807C15A131C446EBC16A02FFE9" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock_3480D73456C533FCEE3DEBC16A03346C" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_7A2161807C15A131C446EBC16A02FFE9" xlink:to="loc_us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock_3480D73456C533FCEE3DEBC16A03346C" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ScheduleOfShareBasedCompensationUnearnedCompensationRelatedToRsusTableTextBlock" xlink:label="loc_wrb_ScheduleOfShareBasedCompensationUnearnedCompensationRelatedToRsusTableTextBlock_C24E07BBEE87974A7F12EBC16A03BC2B" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_7A2161807C15A131C446EBC16A02FFE9" xlink:to="loc_wrb_ScheduleOfShareBasedCompensationUnearnedCompensationRelatedToRsusTableTextBlock_C24E07BBEE87974A7F12EBC16A03BC2B" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_90313214AD144BC7206DEBC167E4E89D" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_SignificantAccountingPoliciesTextBlock_9C93C5787FDBA6C49493EBC167E5E02A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_90313214AD144BC7206DEBC167E4E89D" xlink:to="loc_us-gaap_SignificantAccountingPoliciesTextBlock_9C93C5787FDBA6C49493EBC167E5E02A" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_E9B7001F95A650E124865633F0559CBE" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityNoteStockSplitConversionRatio1" xlink:label="loc_us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_A3EA3ED2BDAC46C0B2355685D0C6E4D9" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E9B7001F95A650E124865633F0559CBE" xlink:to="loc_us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_A3EA3ED2BDAC46C0B2355685D0C6E4D9" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_IncreaseDecreaseInEarnedUnbilledAuditPremiums" xlink:label="loc_wrb_IncreaseDecreaseInEarnedUnbilledAuditPremiums_4EAA41592C141CF2060D5633F0562E79" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E9B7001F95A650E124865633F0559CBE" xlink:to="loc_wrb_IncreaseDecreaseInEarnedUnbilledAuditPremiums_4EAA41592C141CF2060D5633F0562E79" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_7D38685A9241A7DA878A5633F0560DA9" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E9B7001F95A650E124865633F0559CBE" xlink:to="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_7D38685A9241A7DA878A5633F0560DA9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_794A97F2EACBFE1257485633F0562F6F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_7D38685A9241A7DA878A5633F0560DA9" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_794A97F2EACBFE1257485633F0562F6F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_0277AD77FF3789A19DC35633F056AB1B" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_794A97F2EACBFE1257485633F0562F6F" xlink:to="loc_us-gaap_RelatedPartyDomain_0277AD77FF3789A19DC35633F056AB1B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TrustForBenefitOfEmployeesMember" xlink:label="loc_us-gaap_TrustForBenefitOfEmployeesMember_18FD176F200FE9FDD2B85633F05792ED" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_0277AD77FF3789A19DC35633F056AB1B" xlink:to="loc_us-gaap_TrustForBenefitOfEmployeesMember_18FD176F200FE9FDD2B85633F05792ED" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_97D7AC47E0B10CC9B3AA5633F057955C" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_7D38685A9241A7DA878A5633F0560DA9" xlink:to="loc_us-gaap_AwardTypeAxis_97D7AC47E0B10CC9B3AA5633F057955C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FA479CE5E682F38F70A55633F0570A89" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_97D7AC47E0B10CC9B3AA5633F057955C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FA479CE5E682F38F70A55633F0570A89" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_296BA46ED196487E93A05633F05791E4" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FA479CE5E682F38F70A55633F0570A89" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_296BA46ED196487E93A05633F05791E4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_84A8FEB5B19FC0E233275633F05847AA" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_7D38685A9241A7DA878A5633F0560DA9" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_84A8FEB5B19FC0E233275633F05847AA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_39BD2284A85591897E4F5633F0580AF7" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_84A8FEB5B19FC0E233275633F05847AA" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_39BD2284A85591897E4F5633F0580AF7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_A4F7BC6157553F3DF05B5633F0586356" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_39BD2284A85591897E4F5633F0580AF7" xlink:to="loc_us-gaap_OtherAssetsMember_A4F7BC6157553F3DF05B5633F0586356" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_EB3DEEA4292673B361BB5633F0580E66" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_7D38685A9241A7DA878A5633F0560DA9" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_EB3DEEA4292673B361BB5633F0580E66" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1DA8DC338B17881D62BE5633F05D7A78" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_EB3DEEA4292673B361BB5633F0580E66" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1DA8DC338B17881D62BE5633F05D7A78" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_0D1858B30E304B0F37895633F05F1BC1" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_EB3DEEA4292673B361BB5633F0580E66" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_0D1858B30E304B0F37895633F05F1BC1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DepositContractsLiabilities" xlink:label="loc_us-gaap_DepositContractsLiabilities_F11C00348D682EB95ECF5633F05FF6C6" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E9B7001F95A650E124865633F0559CBE" xlink:to="loc_us-gaap_DepositContractsLiabilities_F11C00348D682EB95ECF5633F05FF6C6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_866D70D3D1D1C6299F115633F05F562B" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E9B7001F95A650E124865633F0559CBE" xlink:to="loc_us-gaap_Depreciation_866D70D3D1D1C6299F115633F05F562B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="loc_us-gaap_InterestPaidNet_DEEDB31D9CF2E50BB24D5633F05F07E2" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E9B7001F95A650E124865633F0559CBE" xlink:to="loc_us-gaap_InterestPaidNet_DEEDB31D9CF2E50BB24D5633F05F07E2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_us-gaap_IncomeTaxesPaid_3856B43053E3F83175C85633F05F82FC" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E9B7001F95A650E124865633F0559CBE" xlink:to="loc_us-gaap_IncomeTaxesPaid_3856B43053E3F83175C85633F05F82FC" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:type="locator"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_PrinciplesOfConsolidationAndBasisOfPresentationPolicyPolicyTextBlock" xlink:label="loc_wrb_PrinciplesOfConsolidationAndBasisOfPresentationPolicyPolicyTextBlock_1DF2A4525D6B3B0EE39BEBC16A0AD1AA" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_wrb_PrinciplesOfConsolidationAndBasisOfPresentationPolicyPolicyTextBlock_1DF2A4525D6B3B0EE39BEBC16A0AD1AA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_CBE9326336655C9A597DEBC16A0B56E9" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_RevenueRecognitionPolicyTextBlock_CBE9326336655C9A597DEBC16A0B56E9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_32006C33D0B959823396EBC16A0B95BC" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_32006C33D0B959823396EBC16A0B95BC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentPolicyTextBlock" xlink:label="loc_us-gaap_InvestmentPolicyTextBlock_E2AB07E204EF2CCF7B30EBC16A0BE9B2" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_InvestmentPolicyTextBlock_E2AB07E204EF2CCF7B30EBC16A0BE9B2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock_855D33E62F647F2AD4EBEBC16A0BC06E" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_EarningsPerSharePolicyTextBlock_855D33E62F647F2AD4EBEBC16A0BC06E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalizationOfDeferredPolicyAcquisitionCostsPolicy" xlink:label="loc_us-gaap_CapitalizationOfDeferredPolicyAcquisitionCostsPolicy_FC038F2982C96EE7C851EBC16A0BB129" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_CapitalizationOfDeferredPolicyAcquisitionCostsPolicy_FC038F2982C96EE7C851EBC16A0BB129" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnpaidPolicyClaimsAndClaimsAdjustmentExpensePolicy" xlink:label="loc_us-gaap_UnpaidPolicyClaimsAndClaimsAdjustmentExpensePolicy_3F27BAAF879537565D72EBC16A0CD206" xlink:type="locator"/>
<link:presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_UnpaidPolicyClaimsAndClaimsAdjustmentExpensePolicy_3F27BAAF879537565D72EBC16A0CD206" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceAccountingPolicy" xlink:label="loc_us-gaap_ReinsuranceAccountingPolicy_49C56D5EBB36693D6CA4EBC16A0CD179" xlink:type="locator"/>
<link:presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_ReinsuranceAccountingPolicy_49C56D5EBB36693D6CA4EBC16A0CD179" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DepositContractsPolicy" xlink:label="loc_us-gaap_DepositContractsPolicy_E449FDF580FB401CF89BEBC16A0C2B6F" xlink:type="locator"/>
<link:presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_DepositContractsPolicy_E449FDF580FB401CF89BEBC16A0C2B6F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_9D1FD92C58212002FB02EBC16A0C143C" xlink:type="locator"/>
<link:presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_IncomeTaxPolicyTextBlock_9D1FD92C58212002FB02EBC16A0C143C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_AA90B3143408A1C5F20AEBC16A0D199A" xlink:type="locator"/>
<link:presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_AA90B3143408A1C5F20AEBC16A0D199A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_28DBD0AF20CFEA0D6048EBC16A0DE63D" xlink:type="locator"/>
<link:presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_28DBD0AF20CFEA0D6048EBC16A0DE63D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xlink:label="loc_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_A946C41AB2E485E30DC1EBC16A0D0488" xlink:type="locator"/>
<link:presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_A946C41AB2E485E30DC1EBC16A0D0488" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_3565114CF88EF10E0F32EBC16A0DC1AF" xlink:type="locator"/>
<link:presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_3565114CF88EF10E0F32EBC16A0DC1AF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_809A5F63CCEBBC81F0B1EBC16A0D8EDE" xlink:type="locator"/>
<link:presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_809A5F63CCEBBC81F0B1EBC16A0D8EDE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_AF669CFBC082CE3D02ECEBC16A0DC29B" xlink:type="locator"/>
<link:presentationArc order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7586EE07892BC3D5CFE0EBC16A0A2E6E" xlink:to="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_AF669CFBC082CE3D02ECEBC16A0DC29B" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/SummaryOfSignificantAccountingPoliciesRecentAccountingChangeDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_E072F37C89642FB14ACC5A68E959A493" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_2436D8BABBDF54731EF55A68E9596393" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E072F37C89642FB14ACC5A68E959A493" xlink:to="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_2436D8BABBDF54731EF55A68E9596393" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_0043B092B1E80FBD3E5A5A68E95AB634" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_2436D8BABBDF54731EF55A68E9596393" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_0043B092B1E80FBD3E5A5A68E95AB634" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_6D9E69B4FD43BD5531A95A68E95A8E5A" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_0043B092B1E80FBD3E5A5A68E95AB634" xlink:to="loc_us-gaap_TypeOfAdoptionMember_6D9E69B4FD43BD5531A95A68E95A8E5A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201602Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201602Member_DEB50E5E7A72BB8B6C445A68E95AF023" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfAdoptionMember_6D9E69B4FD43BD5531A95A68E95A8E5A" xlink:to="loc_us-gaap_AccountingStandardsUpdate201602Member_DEB50E5E7A72BB8B6C445A68E95AF023" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_7CAE22417130043E3B1A5A68E95AF1A8" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_2436D8BABBDF54731EF55A68E9596393" xlink:to="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_7CAE22417130043E3B1A5A68E95AF1A8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_67CC287ECCE8889621A75A68E95B1948" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_7CAE22417130043E3B1A5A68E95AF1A8" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_67CC287ECCE8889621A75A68E95B1948" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_2590B4D588F17C8526BE5A68E95B55C7" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_7CAE22417130043E3B1A5A68E95AF1A8" xlink:to="loc_us-gaap_OperatingLeaseLiability_2590B4D588F17C8526BE5A68E95B55C7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredRentCredit" xlink:label="loc_us-gaap_DeferredRentCredit_ED95436B4AE39D50EF725A68E95BADDE" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_7CAE22417130043E3B1A5A68E95AF1A8" xlink:to="loc_us-gaap_DeferredRentCredit_ED95436B4AE39D50EF725A68E95BADDE" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/SupplementalFinancialStatementData" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="loc_us-gaap_OtherIncomeAndExpensesAbstract_EDC7D71984F2EBBE6EDBEBC16BADA4CF" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherOperatingIncomeAndExpenseTextBlock" xlink:label="loc_us-gaap_OtherOperatingIncomeAndExpenseTextBlock_11C7FC78C36FEE0CE243EBC16BADE40F" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_EDC7D71984F2EBBE6EDBEBC16BADA4CF" xlink:to="loc_us-gaap_OtherOperatingIncomeAndExpenseTextBlock_11C7FC78C36FEE0CE243EBC16BADE40F" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/SupplementalFinancialStatementDataScheduleOfOtherOperatingCostAndExpenseByComponentDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="loc_us-gaap_OtherIncomeAndExpensesAbstract_8A659622ED6568583D89EBC16ACBEF3D" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense" xlink:label="loc_us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_C08BDDE5DD216EFEBCEBEBC16ACB9C54" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_8A659622ED6568583D89EBC16ACBEF3D" xlink:to="loc_us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_C08BDDE5DD216EFEBCEBEBC16ACB9C54" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherUnderwritingExpense" xlink:label="loc_us-gaap_OtherUnderwritingExpense_83258EA9A7DE5B7AC222EBC16ACB678B" xlink:type="locator"/>
<link:presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_8A659622ED6568583D89EBC16ACBEF3D" xlink:to="loc_us-gaap_OtherUnderwritingExpense_83258EA9A7DE5B7AC222EBC16ACB678B" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_ServiceCompanyExpenses" xlink:label="loc_wrb_ServiceCompanyExpenses_E6ABB1D5BCB9751D2901EBC16ACCC309" xlink:type="locator"/>
<link:presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_8A659622ED6568583D89EBC16ACBEF3D" xlink:to="loc_wrb_ServiceCompanyExpenses_E6ABB1D5BCB9751D2901EBC16ACCC309" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_0BE8D531544CF67EA7D4EBC16ACCF4C4" xlink:type="locator"/>
<link:presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_8A659622ED6568583D89EBC16ACBEF3D" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_0BE8D531544CF67EA7D4EBC16ACCF4C4" xlink:type="arc"/>
<link:loc xlink:href="wrb-20191231.xsd#wrb_OtherCostsAndExpenseOperatingOther" xlink:label="loc_wrb_OtherCostsAndExpenseOperatingOther_8E1AA30A5387804BD7EFEBC16ACCB526" xlink:type="locator"/>
<link:presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_8A659622ED6568583D89EBC16ACBEF3D" xlink:to="loc_wrb_OtherCostsAndExpenseOperatingOther_8E1AA30A5387804BD7EFEBC16ACCB526" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_A1F56791B67C9626F6A3EBC16ACCFC66" xlink:type="locator"/>
<link:presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_8A659622ED6568583D89EBC16ACBEF3D" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_A1F56791B67C9626F6A3EBC16ACCFC66" xlink:type="arc"/>
</link:presentationLink>
<link:presentationLink xlink:role="http://www.wrberkley.com/role/SupplementalFinancialStatementDataTables" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="loc_us-gaap_OtherIncomeAndExpensesAbstract_C0F004D3C9F175A575C2EBC16B706BD9" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock" xlink:label="loc_us-gaap_ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock_E58BC07D3C256E2F8427EBC16B70BBE6" xlink:type="locator"/>
<link:presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_C0F004D3C9F175A575C2EBC16B706BD9" xlink:to="loc_us-gaap_ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock_E58BC07D3C256E2F8427EBC16B70BBE6" xlink:type="arc"/>
</link:presentationLink>
</link:linkbase>


11 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 9/09/21  W.R. Berkley Corp.                424B5                  1:603K                                   Donnelley … Solutions/FA
 9/08/21  W.R. Berkley Corp.                424B5                  1:602K                                   Donnelley … Solutions/FA
 3/11/21  W.R. Berkley Corp.                424B5                  1:604K                                   Donnelley … Solutions/FA
 3/09/21  W.R. Berkley Corp.                424B5                  1:602K                                   Donnelley … Solutions/FA
 2/04/21  W.R. Berkley Corp.                424B5                  1:657K                                   Donnelley … Solutions/FA
 2/03/21  W.R. Berkley Corp.                424B5                  1:662K                                   Donnelley … Solutions/FA
11/06/20  W.R. Berkley Corp.                S-3ASR     11/06/20    5:509K                                   Donnelley … Solutions/FA
 9/17/20  W.R. Berkley Corp.                424B5                  1:653K                                   Donnelley … Solutions/FA
 9/16/20  W.R. Berkley Corp.                424B5                  1:655K                                   Donnelley … Solutions/FA
 9/02/20  W.R. Berkley Corp.                424B5                  1:607K                                   Donnelley … Solutions/FA
 9/01/20  W.R. Berkley Corp.                424B5                  1:605K                                   Donnelley … Solutions/FA
Top
Filing Submission 0000011544-20-000016   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Sat., May 4, 10:05:48.3pm ET