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Platinum Underwriters Holdings Ltd – ‘10-K’ for 12/31/14 – ‘EX-101.DEF’

On:  Wednesday, 2/11/15, at 5:20pm ET   ·   For:  12/31/14   ·   Accession #:  1171500-15-7   ·   File #:  1-31341

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

 2/11/15  Platinum Underwriters Holdin… Ltd 10-K       12/31/14   88:33M

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

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Platinum Underwriters Holdings, Ltd 10-K            HTML   2.47M 
                12-31-2014                                                       
 2: EX-23.1     Consent of Experts or Counsel                       HTML     25K 
 3: EX-31.1     Certification -- §302 - SOA'02                      HTML     32K 
 4: EX-31.2     Certification -- §302 - SOA'02                      HTML     32K 
 5: EX-32.1     Certification -- §906 - SOA'02                      HTML     24K 
 6: EX-32.2     Certification -- §906 - SOA'02                      HTML     24K 
60: R1          Document And Entity Information                     HTML     54K 
47: R2          Consolidated Balance Sheets                         HTML    122K 
58: R3          Consolidated Balance Sheets (Parenthetical)         HTML     45K 
62: R4          Consolidated Statements of Operations               HTML    116K 
81: R5          Consolidated Statements of Comprehensive Income     HTML     78K 
                (Loss)                                                           
49: R6          Consolidated Statements of Shareholders' Equity     HTML     74K 
57: R7          Consolidated Statements of Cash Flows               HTML    162K 
42: R8          Basis of Presentation and Significant Accounting    HTML     71K 
                Policies                                                         
32: R9          Investments                                         HTML    274K 
82: R10         Fair Value Measurements                             HTML    209K 
64: R11         Unpaid Losses and Loss Adjustment Expenses          HTML     91K 
63: R12         Retrocessional Reinsurance                          HTML     62K 
69: R13         Debt Obligations And Credit Facilities              HTML     49K 
70: R14         Income Taxes                                        HTML     99K 
67: R15         Shareholders' Equity                                HTML    163K 
71: R16         Statutory Regulations And Dividend Restrictions     HTML     65K 
59: R17         Operating Segment Information                       HTML    219K 
61: R18         Share Incentive Compensation and Defined            HTML    331K 
                Contribution Retirement Plans                                    
66: R19         Earnings (Loss) Per Common Share                    HTML     73K 
88: R20         Commitments and Contingencies                       HTML     48K 
77: R21         Quarterly Financial Data (Unaudited)                HTML    100K 
53: R22         Condensed Consolidating Financial Information       HTML    804K 
65: R23         Schedule I                                          HTML     58K 
55: R24         Schedule II                                         HTML    149K 
24: R25         Schedule III                                        HTML    132K 
78: R26         Schedule IV                                         HTML     83K 
85: R27         Basis of Presentation and Significant Accounting    HTML    117K 
                Policies (Policies)                                              
37: R28         Investments (Tables)                                HTML    262K 
36: R29         Fair Value Measurements (Tables)                    HTML    185K 
40: R30         Unpaid Losses and Loss Adjustment Expenses          HTML     84K 
                (Tables)                                                         
41: R31         Retrocessional Reinsurance (Tables)                 HTML     55K 
43: R32         Debt Obligations And Credit Facilities (Tables)     HTML     38K 
20: R33         Income Taxes (Tables)                               HTML     96K 
75: R34         Shareholders' Equity (Tables)                       HTML    159K 
51: R35         Statutory Regulations And Dividend Restrictions     HTML     42K 
                (Tables)                                                         
54: R36         Operating Segment Information (Tables)              HTML    214K 
27: R37         Share Incentive Compensation and Defined            HTML    316K 
                Contribution Retirement Plans (Tables)                           
87: R38         Earnings (Loss) Per Common Share (Tables)           HTML     71K 
13: R39         Commitments and Contingencies (Tables)              HTML     34K 
44: R40         Quarterly Financial Data (Unaudited) (Tables)       HTML     98K 
80: R41         Condensed Consolidating Financial Information       HTML    807K 
                (Tables)                                                         
26: R42         Basis of Presentation and Significant Accounting    HTML     67K 
                Policies (Details)                                               
35: R43         Investments (Details)                               HTML    200K 
39: R44         Investments, Trading Securities (Details)           HTML     28K 
48: R45         Investments, Maturities of Available-for-sale and   HTML     66K 
                Trading Securities (Details)                                     
19: R46         Investments, Short Term Investments (Details)       HTML     41K 
31: R47         Investments, Restricted (Details)                   HTML     32K 
15: R48         Investments, Other Than Temporary Impairments       HTML     88K 
                (Details)                                                        
79: R49         Investments, Investment Income and Net Realized     HTML     75K 
                Gains Losses (Details)                                           
25: R50         Fair Value Measurements (Details)                   HTML    273K 
76: R51         Unpaid Losses and Loss Adjustment Expenses          HTML     90K 
                (Details)                                                        
28: R52         Retrocessional Reinsurance (Details)                HTML     64K 
45: R53         Debt Obligations and Credit Facilities, Debt        HTML     37K 
                Obligations (Details)                                            
14: R54         Debt Obligations And Credit Facilities, Credit      HTML     65K 
                Facilities (Details)                                             
18: R55         Income Taxes (Details)                              HTML    137K 
38: R56         Shareholders' Equity (Details)                      HTML     76K 
22: R57         Shareholders' Equity, Accumulated Other             HTML    103K 
                Comprehensive Income (Details)                                   
83: R58         Shareholders' Equity, Reclassfication Out of        HTML     53K 
                Accumulated Other Comprehensive Income (Details)                 
50: R59         Statutory Regulations And Dividend Restrictions     HTML     88K 
                (Details)                                                        
68: R60         Operating Segment Information (Details)             HTML    207K 
30: R61         Share Incentive Compensation and Defined            HTML    428K 
                Contribution Retirement Plans (Details)                          
33: R62         Earnings (Loss) Per Common Share (Details)          HTML     92K 
74: R63         Commitments and Contingencies (Details)             HTML     70K 
72: R64         Quarterly Financial Data (Unaudited) (Details)      HTML     99K 
52: R65         Condensed Consolidating Financial Information -     HTML    197K 
                Condensed Consolidating Balance Sheet (Details)                  
73: R66         Condensed Consolidating Financial Information -     HTML    255K 
                Condensed Consolidating Statement of Operations                  
                (Details)                                                        
29: R67         Condensed Consolidating Financial Information -     HTML    202K 
                Condensed Consolidating Statement Of Comprehensive               
                Income (Details)                                                 
56: R68         Condensed Consolidating Financial Information -     HTML    228K 
                Condensed Consolidating Statement of Cash Flows                  
                (Details)                                                        
84: R69         Schedule I (Details)                                HTML     72K 
17: R70         Schedule II (Details)                               HTML    306K 
23: R71         Schedule III (Details)                              HTML    115K 
46: R72         Schedule IV (Details)                               HTML     68K 
86: XML         IDEA XML File -- Filing Summary                      XML    138K 
16: EXCEL       IDEA Workbook of Financial Reports                  XLSX    390K 
34: EXCEL       IDEA Workbook of Financial Reports (.xls)            XLS   5.80M 
 9: EX-101.INS  XBRL Instance -- ptp-20141231                        XML   7.65M 
 7: EX-101.CAL  XBRL Calculations -- ptp-20141231_cal                XML    357K 
 8: EX-101.DEF  XBRL Definitions -- ptp-20141231_def                 XML   1.03M 
10: EX-101.LAB  XBRL Labels -- ptp-20141231_lab                      XML   4.01M 
11: EX-101.PRE  XBRL Presentations -- ptp-20141231_pre               XML   1.90M 
12: EX-101.SCH  XBRL Schema -- ptp-20141231                          XSD    327K 
21: ZIP         XBRL Zipped Folder -- 0001171500-15-000007-xbrl      Zip    434K

‘EX-101.DEF’   —   XBRL Definitions — ptp-20141231_def

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
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<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="DividendsPayableTable" xlink:to="SubsequentEventTypeAxis" xlink:title="definition: DividendsPayableTable to SubsequentEventTypeAxis" order="1.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="SubsequentEventTypeDomain" xlink:title="SubsequentEventTypeDomain"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="SubsequentEventTypeAxis" xlink:to="SubsequentEventTypeDomain" xlink:title="definition: SubsequentEventTypeAxis to SubsequentEventTypeDomain" order="1.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="SubsequentEventTypeDomain_2" xlink:title="SubsequentEventTypeDomain"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="SubsequentEventTypeAxis" xlink:to="SubsequentEventTypeDomain_2" xlink:title="definition: SubsequentEventTypeAxis to SubsequentEventTypeDomain" priority="1" order="2.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="SubsequentEventMember" xlink:title="SubsequentEventMember"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="SubsequentEventTypeDomain" xlink:to="SubsequentEventMember" xlink:title="definition: SubsequentEventTypeDomain to SubsequentEventMember" order="1.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DividendsAxis" xlink:label="DividendsAxis" xlink:title="DividendsAxis"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="DividendsPayableTable" xlink:to="DividendsAxis" xlink:title="definition: DividendsPayableTable to DividendsAxis" order="2.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DividendsDomain" xlink:label="DividendsDomain" xlink:title="DividendsDomain"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="DividendsAxis" xlink:to="DividendsDomain" xlink:title="definition: DividendsAxis to DividendsDomain" order="1.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DividendsDomain" xlink:label="DividendsDomain_2" xlink:title="DividendsDomain"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="DividendsAxis" xlink:to="DividendsDomain_2" xlink:title="definition: DividendsAxis to DividendsDomain" priority="1" order="2.0"/>
<link:loc xlink:type="locator" xlink:href="ptp-20141231.xsd#ptp_SpecialDividendDeclaredMember" xlink:label="SpecialDividendDeclaredMember" xlink:title="SpecialDividendDeclaredMember"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="DividendsDomain" xlink:to="SpecialDividendDeclaredMember" xlink:title="definition: DividendsDomain to SpecialDividendDeclaredMember" order="2.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DividendDeclaredMember" xlink:label="DividendDeclaredMember" xlink:title="DividendDeclaredMember"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="DividendsDomain" xlink:to="DividendDeclaredMember" xlink:title="definition: DividendsDomain to DividendDeclaredMember" order="1.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DividendsAbstract" xlink:label="DividendsAbstract" xlink:title="DividendsAbstract"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="DividendsPayableLineItems" xlink:to="DividendsAbstract" xlink:title="definition: DividendsPayableLineItems to DividendsAbstract" order="2.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DividendsPayableDateDeclaredDayMonthAndYear" xlink:label="DividendsPayableDateDeclaredDayMonthAndYear" xlink:title="DividendsPayableDateDeclaredDayMonthAndYear"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="DividendsPayableLineItems" xlink:to="DividendsPayableDateDeclaredDayMonthAndYear" xlink:title="definition: DividendsPayableLineItems to DividendsPayableDateDeclaredDayMonthAndYear" order="3.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DividendsPayableAmountPerShare" xlink:label="DividendsPayableAmountPerShare" xlink:title="DividendsPayableAmountPerShare"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="DividendsPayableLineItems" xlink:to="DividendsPayableAmountPerShare" xlink:title="definition: DividendsPayableLineItems to DividendsPayableAmountPerShare" order="4.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatutoryAccountingPracticesLineItems" xlink:label="StatutoryAccountingPracticesLineItems" xlink:title="StatutoryAccountingPracticesLineItems"/>
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<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesLineItems" xlink:to="StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired" xlink:title="definition: StatutoryAccountingPracticesLineItems to StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired" use="optional" priority="0" order="2.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount" xlink:label="StatutoryAccountingPracticesStatutoryNetIncomeAmount" xlink:title="StatutoryAccountingPracticesStatutoryNetIncomeAmount"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesLineItems" xlink:to="StatutoryAccountingPracticesStatutoryNetIncomeAmount" xlink:title="definition: StatutoryAccountingPracticesLineItems to StatutoryAccountingPracticesStatutoryNetIncomeAmount" use="optional" priority="0" order="3.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries" xlink:label="CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries" xlink:title="CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesLineItems" xlink:to="CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries" xlink:title="definition: StatutoryAccountingPracticesLineItems to CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries" use="optional" priority="0" order="4.0"/>
<link:loc xlink:type="locator" xlink:href="ptp-20141231.xsd#ptp_MaximumAmountAvailableForDividendsWithoutPriorRegulatoryApproval" xlink:label="MaximumAmountAvailableForDividendsWithoutPriorRegulatoryApproval" xlink:title="MaximumAmountAvailableForDividendsWithoutPriorRegulatoryApproval"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesLineItems" xlink:to="MaximumAmountAvailableForDividendsWithoutPriorRegulatoryApproval" xlink:title="definition: StatutoryAccountingPracticesLineItems to MaximumAmountAvailableForDividendsWithoutPriorRegulatoryApproval" use="optional" priority="0" order="6.0"/>
<link:loc xlink:type="locator" xlink:href="ptp-20141231.xsd#ptp_DividendsReceivedDuringPeriodFromReinsuranceSubsidiaries" xlink:label="DividendsReceivedDuringPeriodFromReinsuranceSubsidiaries" xlink:title="DividendsReceivedDuringPeriodFromReinsuranceSubsidiaries"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesLineItems" xlink:to="DividendsReceivedDuringPeriodFromReinsuranceSubsidiaries" xlink:title="definition: StatutoryAccountingPracticesLineItems to DividendsReceivedDuringPeriodFromReinsuranceSubsidiaries" use="optional" priority="0" order="9.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatutoryAccountingPracticesTable" xlink:label="StatutoryAccountingPracticesTable" xlink:title="StatutoryAccountingPracticesTable"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatutoryAccountingPracticesByJurisdictionAxis" xlink:label="StatutoryAccountingPracticesByJurisdictionAxis" xlink:title="StatutoryAccountingPracticesByJurisdictionAxis"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="StatutoryAccountingPracticesTable" xlink:to="StatutoryAccountingPracticesByJurisdictionAxis" xlink:title="definition: StatutoryAccountingPracticesTable to StatutoryAccountingPracticesByJurisdictionAxis" use="optional" priority="0" order="2.0"/>
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<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="StatutoryAccountingPracticesByJurisdictionAxis" xlink:to="StatutoryAccountingPracticesJurisdictionDomain" xlink:title="definition: StatutoryAccountingPracticesByJurisdictionAxis to StatutoryAccountingPracticesJurisdictionDomain" use="optional" priority="0" order="1.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatutoryAccountingPracticesJurisdictionDomain" xlink:label="StatutoryAccountingPracticesJurisdictionDomain_2" xlink:title="StatutoryAccountingPracticesJurisdictionDomain"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_BM" xlink:label="BM" xlink:title="BM"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesJurisdictionDomain" xlink:to="BM" xlink:title="definition: StatutoryAccountingPracticesJurisdictionDomain to BM" order="1.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_US" xlink:label="US" xlink:title="US"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesJurisdictionDomain" xlink:to="US" xlink:title="definition: StatutoryAccountingPracticesJurisdictionDomain to US" order="2.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="StatutoryAccountingPracticesTable" xlink:to="RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="definition: StatutoryAccountingPracticesTable to RelatedPartyTransactionsByRelatedPartyAxis" use="optional" order="3.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="RelatedPartyDomain" xlink:title="RelatedPartyDomain"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="RelatedPartyDomain" xlink:title="definition: RelatedPartyTransactionsByRelatedPartyAxis to RelatedPartyDomain" use="optional" order="1.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="RelatedPartyDomain_2" xlink:title="RelatedPartyDomain"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="RelatedPartyDomain_2" xlink:title="definition: RelatedPartyTransactionsByRelatedPartyAxis to RelatedPartyDomain" use="optional" priority="1" order="2.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="ParentCompanyMember" xlink:title="ParentCompanyMember"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="RelatedPartyDomain" xlink:to="ParentCompanyMember" xlink:title="definition: RelatedPartyDomain to ParentCompanyMember" order="1.0"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="RelatedPartyDomain" xlink:to="PlatinumBermudaMember" xlink:title="definition: RelatedPartyDomain to PlatinumUnderwritersBermudaLtdMember" order="2.0"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="RelatedPartyDomain" xlink:to="PlatinumUnderwritersFinanceIncMember" xlink:title="definition: RelatedPartyDomain to PlatinumUnderwritersFinanceIncMember" use="optional" order="3.0"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="RelatedPartyDomain" xlink:to="PlatinumUnitedStatesMember" xlink:title="definition: RelatedPartyDomain to PlatinumUnderwritersReinsuranceIncMember" use="optional" order="4.0"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="StatutoryAccountingPracticesTable" xlink:to="LegalEntityAxis" xlink:title="definition: StatutoryAccountingPracticesTable to LegalEntityAxis" order="1.0"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="StatutoryAccountingPracticesTable" xlink:to="SubsequentEventTypeAxis" xlink:title="definition: StatutoryAccountingPracticesTable to SubsequentEventTypeAxis" order="0.0"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="StatutoryAccountingPracticesTable" xlink:to="BusinessAcquisitionAxis" xlink:title="definition: StatutoryAccountingPracticesTable to BusinessAcquisitionAxis" order="4.0"/>
<link:loc xlink:type="locator" xlink:href="ptp-20141231.xsd#ptp_MaximumPercentageOfStatutoryCapitalAndSurplusAvailableForDividendsInNextYear" xlink:label="MaximumPercentageOfPriorYearStatutoryCapitalAndSurplusAvailableForDividendsnewItem" xlink:title="MaximumPercentageOfPriorYearStatutoryCapitalAndSurplusAvailableForDividendsnewItem"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesLineItems" xlink:to="MaximumPercentageOfPriorYearStatutoryCapitalAndSurplusAvailableForDividendsnewItem" xlink:title="definition: StatutoryAccountingPracticesLineItems to MaximumPercentageOfPriorYearStatutoryCapitalAndSurplusAvailableForDividendsnewItem" use="optional" priority="0" order="10.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance" xlink:label="StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance" xlink:title="StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesLineItems" xlink:to="StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance" xlink:title="definition: StatutoryAccountingPracticesLineItems to StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance" use="optional" priority="0" order="11.0"/>
<link:loc xlink:type="locator" xlink:href="ptp-20141231.xsd#ptp_EarlyWarningLevelPercentageTriggeringAdditionalReportingRequirements" xlink:label="EarlyWarningLevelTriggeringAditionalReportingRequirements" xlink:title="EarlyWarningLevelTriggeringAditionalReportingRequirements"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesLineItems" xlink:to="EarlyWarningLevelTriggeringAditionalReportingRequirements" xlink:title="definition: StatutoryAccountingPracticesLineItems to EarlyWarningLevelTriggeringAditionalReportingRequirements" use="optional" priority="0" order="14.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashDividendsPaidToParentCompany" xlink:label="CashDividendsPaidToParentCompany" xlink:title="CashDividendsPaidToParentCompany"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesLineItems" xlink:to="CashDividendsPaidToParentCompany" xlink:title="definition: StatutoryAccountingPracticesLineItems to CashDividendsPaidToParentCompany" use="optional" priority="0" order="7.0"/>
<link:loc xlink:type="locator" xlink:href="ptp-20141231.xsd#ptp_EnhancedCapitalRequirementPercentage" xlink:label="EnhancedCapialRequirementPercentage" xlink:title="EnhancedCapialRequirementPercentage"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesLineItems" xlink:to="EnhancedCapialRequirementPercentage" xlink:title="definition: StatutoryAccountingPracticesLineItems to EnhancedCapialRequirementPercentage" order="16.0"/>
<link:loc xlink:type="locator" xlink:href="ptp-20141231.xsd#ptp_NotificationPeriodPriorToOrdinaryDividendPayment" xlink:label="NotificationPeriodPriorToOrdinaryDividendPayment" xlink:title="NotificationPeriodPriorToOrdinaryDividendPayment"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesLineItems" xlink:to="NotificationPeriodPriorToOrdinaryDividendPayment" xlink:title="definition: StatutoryAccountingPracticesLineItems to NotificationPeriodPriorToOrdinaryDividendPayment" order="17.0"/>
<link:loc xlink:type="locator" xlink:href="ptp-20141231.xsd#ptp_NotificationPeriodPriorToExtraordinaryDividendPayment" xlink:label="NotificationPeriodPriorToExtraordinaryDividendPayment" xlink:title="NotificationPeriodPriorToExtraordinaryDividendPayment"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesLineItems" xlink:to="NotificationPeriodPriorToExtraordinaryDividendPayment" xlink:title="definition: StatutoryAccountingPracticesLineItems to NotificationPeriodPriorToExtraordinaryDividendPayment" order="18.0"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="StatutoryAccountingPracticesLineItems" xlink:to="DividendsPayableAmountPerShare" xlink:title="definition: StatutoryAccountingPracticesLineItems to DividendsPayableAmountPerShare" order="19.0"/>
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<link:definitionLink xlink:type="extended" xlink:role="http://platinumre.com/role/StatutoryRegulationsAndDividendRestrictionsTables"/>
<link:definitionLink xlink:type="extended" xlink:role="http://platinumre.com/role/OperatingSegmentInformation"/>
<link:definitionLink xlink:type="extended" xlink:role="http://platinumre.com/role/OperatingSegmentInformationDetails">
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="StatementBusinessSegmentsAxis" xlink:title="StatementBusinessSegmentsAxis"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentDomain" xlink:label="SegmentDomain" xlink:title="SegmentDomain"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="StatementBusinessSegmentsAxis" xlink:to="SegmentDomain" xlink:title="definition: StatementBusinessSegmentsAxis to SegmentDomain" use="optional" priority="0" order="1.0"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentDomain" xlink:label="SegmentDomain_2" xlink:title="SegmentDomain"/>
<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="StatementBusinessSegmentsAxis" xlink:to="SegmentDomain_2" xlink:title="definition: StatementBusinessSegmentsAxis to SegmentDomain_2" use="optional" priority="1" order="2.0"/>
<link:loc xlink:type="locator" xlink:href="ptp-20141231.xsd#ptp_PropertyAndMarineMember" xlink:label="PropertyAndMarineMember" xlink:title="PropertyAndMarineMember"/>
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<link:loc xlink:type="locator" xlink:href="ptp-20141231.xsd#ptp_CasualtyMember" xlink:label="CasualtyMember" xlink:title="CasualtyMember"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_US" xlink:label="US" xlink:title="US"/>
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<link:loc xlink:type="locator" xlink:href="ptp-20141231.xsd#ptp_EquityAwardMember" xlink:label="EquityAwardMember" xlink:title="EquityAwardMember"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain" xlink:title="EntityDomain"/>
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<link:loc xlink:type="locator" xlink:href="ptp-20141231.xsd#ptp_PlatinumUnderwritersBermudaLtdMember" xlink:label="PlatinumUnderwritersBermudaLtdMember" xlink:title="PlatinumUnderwritersBermudaLtdMember"/>
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<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LineOfCreditFacilityLineItems" xlink:to="LettersOfCreditOutstandingAmount" xlink:title="definition: LineOfCreditFacilityLineItems to LettersOfCreditOutstandingAmount" use="optional" order="7.0"/>
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<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LineOfCreditFacilityLineItems" xlink:to="AssetsHeldInTrust" xlink:title="definition: LineOfCreditFacilityLineItems to AssetsHeldInTrust" use="optional" order="8.0"/>
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<link:loc xlink:type="locator" xlink:href="ptp-20141231.xsd#ptp_SyndicatedCreditFacilityMember" xlink:label="SyndicatedCreditFacilityMember" xlink:title="SyndicatedCreditFacilityMember"/>
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<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LineOfCreditFacilityLenderDomain" xlink:to="OtherLetterOfCreditFacilitiesMember" xlink:title="definition: LineOfCreditFacilityLenderDomain to OtherLetterOfCreditFacilitiesMember" use="optional" order="2.0"/>
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