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Amerisafe Inc – ‘10-K’ for 12/31/19 – ‘EX-101.LAB’

On:  Tuesday, 2/25/20, at 4:03pm ET   ·   For:  12/31/19   ·   Accession #:  1564590-20-6372   ·   File #:  1-12251

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

 2/25/20  Amerisafe Inc                     10-K       12/31/19  130:31M                                    ActiveDisclosure/FA

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

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   2.62M 
 2: EX-4.1      Instrument Defining the Rights of Security Holders  HTML     45K 
 3: EX-10.21    Material Contract                                   HTML    326K 
 4: EX-10.22    Material Contract                                   HTML    279K 
 5: EX-23.1     Consent of Experts or Counsel                       HTML     39K 
 6: EX-24.1     Power of Attorney                                   HTML     42K 
 7: EX-31.1     Certification -- §302 - SOA'02                      HTML     43K 
 8: EX-31.2     Certification -- §302 - SOA'02                      HTML     43K 
 9: EX-32.1     Certification -- §906 - SOA'02                      HTML     41K 
113: R1          Document and Entity Information                     HTML    102K  
69: R2          Consolidated Balance Sheets                         HTML    127K 
25: R3          Consolidated Balance Sheets (Parenthetical)         HTML     57K 
101: R4          Consolidated Statements of Income                   HTML    107K  
116: R5          Consolidated Statements of Comprehensive Income     HTML     54K  
71: R6          Consolidated Statements of Changes in               HTML    102K 
                Shareholders' Equity                                             
27: R7          Consolidated Statements of Cash Flows               HTML    147K 
97: R8          Summary of Significant Accounting Policies          HTML     83K 
117: R9          Investments                                         HTML    945K  
73: R10         Premiums Receivable                                 HTML     79K 
119: R11         Deferred Policy Acquisition Costs                   HTML     89K  
47: R12         Property and Equipment                              HTML     76K 
34: R13         Reinsurance                                         HTML    142K 
74: R14         Income Taxes                                        HTML    223K 
120: R15         Line of Credit                                      HTML     41K  
48: R16         Loss and Loss Adjustment Expenses                   HTML    621K 
35: R17         Statutory Accounting and Regulatory Requirements    HTML     64K 
75: R18         Capital Stock                                       HTML     41K 
118: R19         Stock Options and Restricted Stock                  HTML    314K  
70: R20         Earnings Per Share                                  HTML    131K 
26: R21         Comprehensive Income and Accumulated Other          HTML    222K 
                Comprehensive Income                                             
99: R22         Employee Benefit Plan                               HTML     41K 
112: R23         Commitments and Contingencies                       HTML    198K  
72: R24         Concentration of Operations                         HTML    165K 
28: R25         Fair Values of Financial Instruments                HTML    400K 
100: R26         Quarterly Financial Data (Unaudited)                HTML    218K  
115: R27         Capital Management                                  HTML     41K  
68: R28         Subsequent Events                                   HTML     42K 
29: R29         Schedule II. Condensed Financial Information of     HTML    282K 
                Registrant                                                       
33: R30         Schedule VI. Supplemental Information Concerning    HTML    106K 
                Property-Casualty Insurance Operations                           
45: R31         Summary of Significant Accounting Policies          HTML    139K 
                (Policies)                                                       
122: R32         Investments (Tables)                                HTML    947K  
77: R33         Premiums Receivable (Tables)                        HTML     79K 
32: R34         Deferred Policy Acquisition Costs (Tables)          HTML     90K 
44: R35         Property and Equipment (Tables)                     HTML     74K 
121: R36         Reinsurance (Tables)                                HTML    140K  
76: R37         Income Taxes (Tables)                               HTML    224K 
31: R38         Loss and Loss Adjustment Expenses (Tables)          HTML    621K 
46: R39         Statutory Accounting and Regulatory Requirements    HTML     64K 
                (Tables)                                                         
24: R40         Stock Options and Restricted Stock (Tables)         HTML    307K 
66: R41         Earnings Per Share (Tables)                         HTML    131K 
103: R42         Comprehensive Income and Accumulated Other          HTML    224K  
                Comprehensive Income (Tables)                                    
88: R43         Commitments and Contingencies (Tables)              HTML    204K 
23: R44         Concentration of Operations (Tables)                HTML    164K 
65: R45         Fair Values of Financial Instruments (Tables)       HTML    392K 
102: R46         Quarterly Financial Data (Unaudited) (Tables)       HTML    217K  
87: R47         Summary of Significant Accounting Policies -        HTML    105K 
                Additional Information (Detail)                                  
22: R48         Investments - Additional Information (Detail)       HTML     62K 
67: R49         Investments - Gross Unrealized Gains and Losses     HTML     65K 
                and Amortized Cost and Fair Value of Investments                 
                Classified as Held-to-Maturity (Detail)                          
55: R50         Investments - Gross Unrealized Gains and Losses     HTML     63K 
                and Cost or Amortized Cost and Fair Value of                     
                Investments Classified as Available-for-Sale                     
                (Detail)                                                         
41: R51         Investments - Gross Unrealized Gains and Losses     HTML     49K 
                and Cost of Equity (Detail)                                      
78: R52         Investments - Summary of Amortized Cost and Fair    HTML     72K 
                Value of Investments in Fixed Maturity Securities,               
                Classified as Held-to-Maturity (Detail)                          
123: R53         Investments - Summary of Amortized Cost and Fair    HTML     71K  
                Value of Investments in Fixed Maturity Securities,               
                Classified as Available-for-Sale (Detail)                        
56: R54         Investments - A Summary of the Company's Realized   HTML     71K 
                Gains and Losses on Sales, Calls or Redemptions of               
                Investments (Detail)                                             
42: R55         Investments - Major Categories of the Company's     HTML     62K 
                Net Investment Income (Detail)                                   
79: R56         Investments - Investment Securities Continuous      HTML    125K 
                Unrealized Loss Position (Detail)                                
124: R57         Premiums Receivable - Components of Premiums        HTML     47K  
                Receivable (Detail)                                              
54: R58         Premiums Receivable - Summary of Activity in        HTML     47K 
                Allowance for Doubtful Accounts (Detail)                         
43: R59         Premiums Receivable - Additional Information        HTML     41K 
                (Detail)                                                         
90: R60         Deferred Policy Acquisition Costs - Schedule of     HTML     48K 
                Major Categories of the Deferred Policy                          
                Acquisition Costs (Detail)                                       
109: R61         Deferred Policy Acquisition Costs - Schedule of     HTML     51K  
                Activity in the Deferred Policy Acquisition Costs                
                (Detail)                                                         
59: R62         Property and Equipment - Schedule of Property and   HTML     59K 
                Equipment (Detail)                                               
18: R63         Property and Equipment - Additional Information     HTML     45K 
                (Detail)                                                         
91: R64         Reinsurance - Schedule of the Effect of             HTML     59K 
                Reinsurance on Premiums Written and Earned                       
                (Detail)                                                         
110: R65         Reinsurance - Schedule of the Amounts Recoverable   HTML     54K  
                from Reinsurers (Detail)                                         
60: R66         Reinsurance - Additional Information (Detail)       HTML     46K 
19: R67         Reinsurance - Schedule of Unsecured Reinsurance     HTML     64K 
                Recoverables from Reinsurers (Detail)                            
95: R68         Income Taxes - Schedule of Company's Deferred       HTML     93K 
                Income Tax Assets and Liabilities (Detail)                       
106: R69         Income Taxes - Components of Consolidated Income    HTML     63K  
                Tax Expense (Benefit) (Detail)                                   
127: R70         Income Taxes - Additional Information (Detail)      HTML     50K  
85: R71         Income Taxes - Income Tax Expense from Operations   HTML     61K 
                from the Amount Computed by Applying the U.S.                    
                Federal Income Tax Statutory Rate of 35% to Income               
                Before Income Taxes (Detail)                                     
38: R72         Line of Credit - Additional Information (Detail)    HTML     51K 
52: R73         Loss and Loss Adjustment Expenses - Development     HTML    132K 
                Tables of Incurred and Paid Losses and Allocated                 
                Loss Adjustment Expenses Net of Reinsurance                      
                (Detail)                                                         
126: R74         Loss and Loss Adjustment Expenses - Summary of      HTML     64K  
                Average Annual Percentage Payout Of Incurred                     
                Losses By Age Net of Reinsurance For Worker's                    
                Compensation and general Liability (Unaudited)                   
                (Detail)                                                         
84: R75         Loss and Loss Adjustment Expenses - Reconciliation  HTML     70K 
                of Beginning and Ending Reserve Balances, Net of                 
                Related Amounts Recoverable from Reinsurers                      
                (Detail)                                                         
37: R76         Loss and Loss Adjustment Expenses - Additional      HTML     48K 
                Information (Detail)                                             
51: R77         Loss and Loss Adjustment Expenses - Summary         HTML     50K 
                Exposures to Various Asbestos Related Claims                     
                (Detail)                                                         
129: R78         Statutory Accounting and Regulatory Requirements -  HTML     46K  
                Insurance Subsidiaries (Detail)                                  
80: R79         Statutory Accounting and Regulatory Requirements -  HTML     45K 
                Additional Information (Detail)                                  
128: R80         Capital Stock - Additional Information (Detail)     HTML     55K  
86: R81         Stock Options and Restricted Stock - Additional     HTML     91K 
                Information (Detail)                                             
39: R82         Stock Options and Restricted Stock - Stock Option   HTML     76K 
                Activity (Detail)                                                
53: R83         Stock Options and Restricted Stock - Weighted       HTML     47K 
                Average Grant Date Fair Values of Options Granted                
                (Detail)                                                         
125: R84         Stock Options and Restricted Stock - Restricted     HTML     70K  
                Stock Activity (Detail)                                          
83: R85         Earnings Per Share - Calculation of Basic and       HTML     70K 
                Diluted Earnings Per Share (Detail)                              
36: R86         Earnings Per Share - Reconciliation of Weighted     HTML     49K 
                Average Shares used for Basic and Diluted Earnings               
                Per Share Calculation (Detail)                                   
50: R87         Comprehensive Income and Accumulated Other          HTML     66K 
                Comprehensive Income - Schedule of Changes in                    
                Accumulated Other Comprehensive Income (Aoci)                    
                (Detail)                                                         
130: R88         Comprehensive Income and Accumulated Other          HTML     63K  
                Comprehensive Income - Reclassification Out of                   
                Accumulated Other Comprehensive Income (Detail)                  
81: R89         Comprehensive Income and Accumulated Other          HTML     71K 
                Comprehensive Income - Other Comprehensive Income                
                (Detail)                                                         
89: R90         Employee Benefit Plan - Additional Information      HTML     46K 
                (Detail)                                                         
108: R91         Commitments and Contingencies - Fair Value of       HTML     64K  
                Annuities (Detail)                                               
58: R92         Commitments and Contingencies - Additional          HTML     57K 
                Information (Detail)                                             
17: R93         Commitments and Contingencies - Components of       HTML     49K 
                Lease Expense (Detail)                                           
92: R94         Commitments and Contingencies - Schedule of         HTML     46K 
                Supplemental Cash Flow Information Related to                    
                Leases (Detail)                                                  
111: R95         Commitments and Contingencies - Schedule of         HTML     40K  
                Right-of-use Assets Obtained in Exchange for Lease               
                Obligations (Detail)                                             
62: R96         Commitments and Contingencies - Schedule of         HTML     59K 
                Supplemental Balance Sheet Information Related to                
                Leases (Detail)                                                  
21: R97         Commitments and Contingencies - Schedule of         HTML     48K 
                Weighted Average Remaining Lease Term and Discount               
                Rate (Detail)                                                    
94: R98         Commitments and Contingencies - Schedule of         HTML     66K 
                Maturity Analysis of Annual Undiscounted Cash                    
                Flows of Operating and Finance Lease Liabilities                 
                (Detail)                                                         
105: R99         Concentration of Operations - Net Premiums Earned   HTML     86K  
                for the Top Ten States (Detail)                                  
15: R100        Fair Values of Financial Instruments - Summary of   HTML     57K 
                Carrying or Reported Values and Corresponding Fair               
                Values for Financial Instruments (Detail)                        
63: R101        Fair Values of Financial Instruments - Schedule of  HTML     72K 
                Assets Measured at Fair Value on Recurring Basis                 
                (Detail)                                                         
104: R102        Fair Values of Financial Instruments - Schedule of  HTML     67K  
                Assets Measured at Amortized Cost (Detail)                       
93: R103        Fair Values of Financial Instruments - Summary of   HTML     47K 
                Information Regarding Changes in Fair Value of                   
                Assets Measured at Fair Value (Detail)                           
16: R104        Quarterly Financial Data (Unaudited) - Unaudited    HTML     89K 
                Quarterly Financial Data (Detail)                                
64: R105        Capital Management - Additional Information         HTML     58K 
                (Detail)                                                         
107: R106        Subsequent Events - Additional Information          HTML     50K  
                (Detail)                                                         
96: R107        Schedule II. Condensed Financial Information of     HTML     99K 
                Registrant - Condensed Balance Sheets (Detail)                   
20: R108        Schedule II. Condensed Financial Information of     HTML     50K 
                Registrant - Condensed Balance Sheets                            
                (Parenthetical) (Detail)                                         
61: R109        Schedule II. Condensed Financial Information of     HTML     83K 
                Registrant - Condensed Statements of Income                      
                (Detail)                                                         
49: R110        Schedule II. Condensed Financial Information of     HTML     82K 
                Registrant - Condensed Statements of Cash Flows                  
                (Detail)                                                         
40: R111        Schedule VI. Supplemental Information Concerning    HTML     63K 
                Property-Casualty Insurance Operations (Detail)                  
30: XML         IDEA XML File -- Filing Summary                      XML    251K 
57: XML         XBRL Instance -- amsf-10k_20191231_htm               XML   9.16M 
98: EXCEL       IDEA Workbook of Financial Reports                  XLSX    150K 
11: EX-101.CAL  XBRL Calculations -- amsf-20191231_cal               XML    389K 
12: EX-101.DEF  XBRL Definitions -- amsf-20191231_def                XML    782K 
13: EX-101.LAB  XBRL Labels -- amsf-20191231_lab                     XML   1.95M 
14: EX-101.PRE  XBRL Presentations -- amsf-20191231_pre              XML   1.54M 
10: EX-101.SCH  XBRL Schema -- amsf-20191231                         XSD    299K 
114: JSON        XBRL Instance as JSON Data -- MetaLinks              517±   881K  
82: ZIP         XBRL Zipped Folder -- 0001564590-20-006372-xbrl      Zip    509K 


‘EX-101.LAB’   —   XBRL Labels — amsf-20191231_lab


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" standalone="yes" encoding="windows-1252"?>
<!-- DFIN ActiveDisclosure(SM) XBRL Linkbase Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date : 2020-02-25T14:57:16.0439714+00:00 -->
<!-- Version : 5.0.1.321 -->
<!-- Package ID : 6a43c30cd21c4f2b89bc48a0a38cede3 -->
<!-- Copyright (c) 2020 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<link:linkbase 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" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<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:roleRef roleURI="http://fasb.org/us-gaap/role/label/axisDefault" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd#axisDefault" xlink:type="simple"/>
<link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey" xlink:type="locator" xlink:label="dei_EntityCentralIndexKey"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Central Index Key </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_EquitySecuritiesFvNiGrossUnrealizedGain" xlink:type="locator" xlink:label="amsf_EquitySecuritiesFvNiGrossUnrealizedGain"/>
<link:label xml:lang="en-US" xlink:label="amsf_EquitySecuritiesFvNiGrossUnrealizedGain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Equity securities fair value net income gross unrealized gain. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_EquitySecuritiesFvNiGrossUnrealizedGain" xlink:to="amsf_EquitySecuritiesFvNiGrossUnrealizedGain_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_EquitySecuritiesFvNiGrossUnrealizedLoss" xlink:type="locator" xlink:label="amsf_EquitySecuritiesFvNiGrossUnrealizedLoss"/>
<link:label xml:lang="en-US" xlink:label="amsf_EquitySecuritiesFvNiGrossUnrealizedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Equity Securities fair value net income gross unrealized loss. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_EquitySecuritiesFvNiGrossUnrealizedLoss" xlink:to="amsf_EquitySecuritiesFvNiGrossUnrealizedLoss_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_MarketableSecuritiesGrossRealizedGain" xlink:type="locator" xlink:label="amsf_MarketableSecuritiesGrossRealizedGain"/>
<link:label xml:lang="en-US" xlink:label="amsf_MarketableSecuritiesGrossRealizedGain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Marketable securities gross realized gain. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_MarketableSecuritiesGrossRealizedGain" xlink:to="amsf_MarketableSecuritiesGrossRealizedGain_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_MarketableSecuritiesGrossRealizedLosses" xlink:type="locator" xlink:label="amsf_MarketableSecuritiesGrossRealizedLosses"/>
<link:label xml:lang="en-US" xlink:label="amsf_MarketableSecuritiesGrossRealizedLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Marketable securities gross realized losses. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_MarketableSecuritiesGrossRealizedLosses" xlink:to="amsf_MarketableSecuritiesGrossRealizedLosses_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_MarketableSecuritiesGrossRealizedGainLoss" xlink:type="locator" xlink:label="amsf_MarketableSecuritiesGrossRealizedGainLoss"/>
<link:label xml:lang="en-US" xlink:label="amsf_MarketableSecuritiesGrossRealizedGainLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Marketable securities gross realized gain (loss). </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_MarketableSecuritiesGrossRealizedGainLoss" xlink:to="amsf_MarketableSecuritiesGrossRealizedGainLoss_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_OtherGainLossIncludingGainsLossesOnCallsAndRedemptions" xlink:type="locator" xlink:label="amsf_OtherGainLossIncludingGainsLossesOnCallsAndRedemptions"/>
<link:label xml:lang="en-US" xlink:label="amsf_OtherGainLossIncludingGainsLossesOnCallsAndRedemptions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Other gain loss including gains (losses) on calls and redemptions. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_OtherGainLossIncludingGainsLossesOnCallsAndRedemptions" xlink:to="amsf_OtherGainLossIncludingGainsLossesOnCallsAndRedemptions_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptionsAndRestrictedStock" xlink:type="locator" xlink:label="amsf_IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptionsAndRestrictedStock"/>
<link:label xml:lang="en-US" xlink:label="amsf_IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptionsAndRestrictedStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Incremental common shares attributable to share based payment arrangements stock options and restricted stock. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptionsAndRestrictedStock" xlink:to="amsf_IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptionsAndRestrictedStock_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentBeforeTax" xlink:type="locator" xlink:label="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentBeforeTax"/>
<link:label xml:lang="en-US" xlink:label="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities and other than temporary impairment charges. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentBeforeTax" xlink:to="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentBeforeTax_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentTax" xlink:type="locator" xlink:label="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentTax"/>
<link:label xml:lang="en-US" xlink:label="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities and other than temporary impairment charges. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentTax" xlink:to="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentTax_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_OtherComprehensiveIncomeUnrealizedGainLossOnAvailableForSaleSecuritiesArisingDuringPeriodNetOfTax" xlink:type="locator" xlink:label="amsf_OtherComprehensiveIncomeUnrealizedGainLossOnAvailableForSaleSecuritiesArisingDuringPeriodNetOfTax"/>
<link:label xml:lang="en-US" xlink:label="amsf_OtherComprehensiveIncomeUnrealizedGainLossOnAvailableForSaleSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Other Comprehensive Income Unrealized Gain Loss On Available For Sale Securities Arising During Period Net Of Tax </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_OtherComprehensiveIncomeUnrealizedGainLossOnAvailableForSaleSecuritiesArisingDuringPeriodNetOfTax" xlink:to="amsf_OtherComprehensiveIncomeUnrealizedGainLossOnAvailableForSaleSecuritiesArisingDuringPeriodNetOfTax_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentNetOfTax" xlink:type="locator" xlink:label="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentNetOfTax"/>
<link:label xml:lang="en-US" xlink:label="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities and other than temporary impairment charges. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentNetOfTax" xlink:to="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentNetOfTax_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_InsuranceRelatedAssessments" xlink:type="locator" xlink:label="amsf_InsuranceRelatedAssessments"/>
<link:label xml:lang="en-US" xlink:label="amsf_InsuranceRelatedAssessments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Assessments mandated by statute or regulatory authority that is related directly or indirectly to underwriting activities, including pools for self-insurance and excluding premium taxes and income taxes. The funds derived from the assessments generally enable a government guarantor to pay insurance claims in the event that the underwriting insurer is insolvent or otherwise unable to meet its payment obligations. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_InsuranceRelatedAssessments" xlink:to="amsf_InsuranceRelatedAssessments_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_AccountsPayableAndOtherLiabilities" xlink:type="locator" xlink:label="amsf_AccountsPayableAndOtherLiabilities"/>
<link:label xml:lang="en-US" xlink:label="amsf_AccountsPayableAndOtherLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Accounts payable and other liabilities. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_AccountsPayableAndOtherLiabilities" xlink:to="amsf_AccountsPayableAndOtherLiabilities_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_UnderwritingAndCertainOtherOperatingCosts" xlink:type="locator" xlink:label="amsf_UnderwritingAndCertainOtherOperatingCosts"/>
<link:label xml:lang="en-US" xlink:label="amsf_UnderwritingAndCertainOtherOperatingCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Costs incurred during the period related to the acquisition or renewal of insurance contracts. Includes general and administrative expenses. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_UnderwritingAndCertainOtherOperatingCosts" xlink:to="amsf_UnderwritingAndCertainOtherOperatingCosts_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_IncomeLossFromContinuingOperationsBeforeMinorityInterestAndIncomeLossFromEquityMethodInvestmentsNetOfTax" xlink:type="locator" xlink:label="amsf_IncomeLossFromContinuingOperationsBeforeMinorityInterestAndIncomeLossFromEquityMethodInvestmentsNetOfTax"/>
<link:label xml:lang="en-US" xlink:label="amsf_IncomeLossFromContinuingOperationsBeforeMinorityInterestAndIncomeLossFromEquityMethodInvestmentsNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Income Loss From Continuing Operations Before Minority Interest And Income Loss From Equity Method Investments Net Of Tax </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_IncomeLossFromContinuingOperationsBeforeMinorityInterestAndIncomeLossFromEquityMethodInvestmentsNetOfTax" xlink:to="amsf_IncomeLossFromContinuingOperationsBeforeMinorityInterestAndIncomeLossFromEquityMethodInvestmentsNetOfTax_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_PaymentsToAcquireEquitySecuritiesFvNi" xlink:type="locator" xlink:label="amsf_PaymentsToAcquireEquitySecuritiesFvNi"/>
<link:label xml:lang="en-US" xlink:label="amsf_PaymentsToAcquireEquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Payments to acquire equity securities FvNi. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_PaymentsToAcquireEquitySecuritiesFvNi" xlink:to="amsf_PaymentsToAcquireEquitySecuritiesFvNi_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ProceedsFromSaleOfEquitySecuritiesFvNi" xlink:type="locator" xlink:label="amsf_ProceedsFromSaleOfEquitySecuritiesFvNi"/>
<link:label xml:lang="en-US" xlink:label="amsf_ProceedsFromSaleOfEquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Proceeds from sale of equity securities FvNi. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ProceedsFromSaleOfEquitySecuritiesFvNi" xlink:to="amsf_ProceedsFromSaleOfEquitySecuritiesFvNi_lbl"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CoverAbstract" xlink:type="locator" xlink:label="dei_CoverAbstract"/>
<link:label xml:lang="en-US" xlink:label="dei_CoverAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Cover [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CoverAbstract" xlink:to="dei_CoverAbstract_lbl"/>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType" xlink:type="locator" xlink:label="dei_DocumentType"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Type </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Document Type </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag"/>
<link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amendment Flag </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Amendment Flag </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate" xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Period End Date </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Document Period End Date </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:type="locator" xlink:label="dei_DocumentFiscalYearFocus"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Fiscal Year Focus </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Document Fiscal Year Focus </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:type="locator" xlink:label="dei_DocumentFiscalPeriodFocus"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Fiscal Period Focus </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Document Fiscal Period Focus </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol" xlink:type="locator" xlink:label="dei_TradingSymbol"/>
<link:label xml:lang="en-US" xlink:label="dei_TradingSymbol_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Trading Symbol </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_TradingSymbol_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Trading Symbol </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName" xlink:type="locator" xlink:label="dei_EntityRegistrantName"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Registrant Name </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Registrant Name </link:label>
<link:label xml:lang="en-US" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Central Index Key </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:type="locator" xlink:label="dei_EntityCurrentReportingStatus"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Current Reporting Status </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Current Reporting Status </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:type="locator" xlink:label="dei_EntityWellKnownSeasonedIssuer"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Well-known Seasoned Issuer </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityWellKnownSeasonedIssuer" xlink:to="dei_EntityWellKnownSeasonedIssuer_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Well Known Seasoned Issuer </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityVoluntaryFilers" xlink:type="locator" xlink:label="dei_EntityVoluntaryFilers"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Voluntary Filers </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityVoluntaryFilers" xlink:to="dei_EntityVoluntaryFilers_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Voluntary Filers </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:type="locator" xlink:label="dei_CurrentFiscalYearEndDate"/>
<link:label xml:lang="en-US" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current Fiscal Year End Date </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Current Fiscal Year End Date </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFilerCategory" xlink:type="locator" xlink:label="dei_EntityFilerCategory"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityFilerCategory_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Filer Category </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="dei_EntityFilerCategory_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityFilerCategory_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Filer Category </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentAnnualReport" xlink:type="locator" xlink:label="dei_DocumentAnnualReport"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentAnnualReport_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Annual Report </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentAnnualReport" xlink:to="dei_DocumentAnnualReport_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentAnnualReport_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Document Annual Report </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentTransitionReport" xlink:type="locator" xlink:label="dei_DocumentTransitionReport"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentTransitionReport_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Document Transition Report </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentTransitionReport" xlink:to="dei_DocumentTransitionReport_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentTransitionReport_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Document Transition Report </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityShellCompany" xlink:type="locator" xlink:label="dei_EntityShellCompany"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityShellCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Shell Company </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityShellCompany" xlink:to="dei_EntityShellCompany_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityShellCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Shell Company </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitySmallBusiness" xlink:type="locator" xlink:label="dei_EntitySmallBusiness"/>
<link:label xml:lang="en-US" xlink:label="dei_EntitySmallBusiness_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Small Business </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntitySmallBusiness" xlink:to="dei_EntitySmallBusiness_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntitySmallBusiness_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Small Business </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:type="locator" xlink:label="dei_EntityEmergingGrowthCompany"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Emerging Growth Company </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Emerging Growth Company </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber" xlink:type="locator" xlink:label="dei_EntityFileNumber"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityFileNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity File Number </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityFileNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity File Number </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber" xlink:type="locator" xlink:label="dei_EntityTaxIdentificationNumber"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Tax Identification Number </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Tax Identification Number </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine1"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, Address Line One </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address Address Line1 </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown" xlink:type="locator" xlink:label="dei_EntityAddressCityOrTown"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, City or Town </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address City Or Town </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince" xlink:type="locator" xlink:label="dei_EntityAddressStateOrProvince"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, State or Province </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address State Or Province </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode" xlink:type="locator" xlink:label="dei_EntityAddressPostalZipCode"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Address, Postal Zip Code </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Address Postal Zip Code </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode" xlink:type="locator" xlink:label="dei_CityAreaCode"/>
<link:label xml:lang="en-US" xlink:label="dei_CityAreaCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> City Area Code </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_CityAreaCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> City Area Code </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber" xlink:type="locator" xlink:label="dei_LocalPhoneNumber"/>
<link:label xml:lang="en-US" xlink:label="dei_LocalPhoneNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Local Phone Number </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_LocalPhoneNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Local Phone Number </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:type="locator" xlink:label="dei_EntityCommonStockSharesOutstanding"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Entity Common Stock, Shares Outstanding </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="dei_EntityCommonStockSharesOutstanding_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Common Stock Shares Outstanding </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityPublicFloat" xlink:type="locator" xlink:label="dei_EntityPublicFloat"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityPublicFloat_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Public Float </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPublicFloat" xlink:to="dei_EntityPublicFloat_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityPublicFloat_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Public Float </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode" xlink:type="locator" xlink:label="dei_EntityIncorporationStateCountryCode"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Incorporation, State or Country Code </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Incorporation State Country Code </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle" xlink:type="locator" xlink:label="dei_Security12bTitle"/>
<link:label xml:lang="en-US" xlink:label="dei_Security12bTitle_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Title of 12(b) Security </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_Security12bTitle_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Security12b Title </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName" xlink:type="locator" xlink:label="dei_SecurityExchangeName"/>
<link:label xml:lang="en-US" xlink:label="dei_SecurityExchangeName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Security Exchange Name </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_SecurityExchangeName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Security Exchange Name </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInteractiveDataCurrent" xlink:type="locator" xlink:label="dei_EntityInteractiveDataCurrent"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity Interactive Data Current </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityInteractiveDataCurrent" xlink:to="dei_EntityInteractiveDataCurrent_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity Interactive Data Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statement Of Financial Position [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementOfFinancialPositionAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsAbstract" xlink:type="locator" xlink:label="us-gaap_AssetsAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Assets [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:type="locator" xlink:label="us-gaap_InvestmentsAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investments: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsAbstract" xlink:to="us-gaap_InvestmentsAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Investments [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecurities" xlink:type="locator" xlink:label="us-gaap_HeldToMaturitySecurities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fixed maturity securities—held-to-maturity, at amortized cost (fair value $621,343 and $616,772 in 2019 and 2018, respectively) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldToMaturitySecurities" xlink:to="us-gaap_HeldToMaturitySecurities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Held To Maturity Securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fixed maturity securities—available-for-sale, at fair value (amortized cost $425,698 and $479,772 in 2019 and 2018, respectively) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNi" xlink:type="locator" xlink:label="us-gaap_EquitySecuritiesFvNi"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity securities, at fair value (cost $24,457 and $19,962 in 2019 and 2018, respectively) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesFvNi" xlink:to="us-gaap_EquitySecuritiesFvNi_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Securities Fv Ni </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MarketableSecurities" xlink:type="locator" xlink:label="us-gaap_MarketableSecurities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_MarketableSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Short-term investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecurities" xlink:to="us-gaap_MarketableSecurities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_MarketableSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Marketable Securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Investments" xlink:type="locator" xlink:label="us-gaap_Investments"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_Investments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Investments" xlink:to="us-gaap_Investments_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_Investments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash and cash equivalents </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Cash And Cash Equivalents At Carrying Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceRecoverables" xlink:type="locator" xlink:label="us-gaap_ReinsuranceRecoverables"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverables_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amounts recoverable from reinsurers </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceRecoverables" xlink:to="us-gaap_ReinsuranceRecoverables_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverables_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance Recoverables </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsReceivableAtCarryingValue" xlink:type="locator" xlink:label="us-gaap_PremiumsReceivableAtCarryingValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableAtCarryingValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Premiums receivable, net of allowance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsReceivableAtCarryingValue" xlink:to="us-gaap_PremiumsReceivableAtCarryingValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableAtCarryingValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Receivable At Carrying Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred income taxes </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:to="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Liabilities Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedInvestmentIncomeReceivable" xlink:type="locator" xlink:label="us-gaap_AccruedInvestmentIncomeReceivable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccruedInvestmentIncomeReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued interest receivable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedInvestmentIncomeReceivable" xlink:to="us-gaap_AccruedInvestmentIncomeReceivable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccruedInvestmentIncomeReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued Investment Income Receivable </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and equipment, net </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Property Plant And Equipment Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredPolicyAcquisitionCosts" xlink:type="locator" xlink:label="us-gaap_DeferredPolicyAcquisitionCosts"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredPolicyAcquisitionCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred policy acquisition costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredPolicyAcquisitionCosts" xlink:to="us-gaap_DeferredPolicyAcquisitionCosts_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredPolicyAcquisitionCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Policy Acquisition Costs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssets" xlink:type="locator" xlink:label="us-gaap_OtherAssets"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssets" xlink:to="us-gaap_OtherAssets_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets" xlink:type="locator" xlink:label="us-gaap_Assets"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_Assets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_Assets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="locator" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Liabilities and shareholders’ equity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities And Stockholders Equity [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:type="locator" xlink:label="us-gaap_LiabilitiesAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Liabilities: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAbstract" xlink:to="us-gaap_LiabilitiesAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense" xlink:type="locator" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reserves for loss and loss adjustment expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense" xlink:to="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Liability For Claims And Claims Adjustment Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnearnedPremiums" xlink:type="locator" xlink:label="us-gaap_UnearnedPremiums"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_UnearnedPremiums_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unearned premiums </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnearnedPremiums" xlink:to="us-gaap_UnearnedPremiums_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_UnearnedPremiums_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Unearned Premiums </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FundsHeldUnderReinsuranceAgreementsLiability" xlink:type="locator" xlink:label="us-gaap_FundsHeldUnderReinsuranceAgreementsLiability"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FundsHeldUnderReinsuranceAgreementsLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amounts held for others </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FundsHeldUnderReinsuranceAgreementsLiability" xlink:to="us-gaap_FundsHeldUnderReinsuranceAgreementsLiability_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FundsHeldUnderReinsuranceAgreementsLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Funds Held Under Reinsurance Agreements Liability </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PolicyholderContractDeposits" xlink:type="locator" xlink:label="us-gaap_PolicyholderContractDeposits"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PolicyholderContractDeposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Policyholder deposits </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PolicyholderContractDeposits" xlink:to="us-gaap_PolicyholderContractDeposits_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PolicyholderContractDeposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Policyholder Contract Deposits </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_InsuranceRelatedAssessments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Insurance-related assessments </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_InsuranceRelatedAssessments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Insurance Related Assessments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedIncomeTaxes" xlink:type="locator" xlink:label="us-gaap_AccruedIncomeTaxes"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccruedIncomeTaxes_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Federal income tax payable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedIncomeTaxes" xlink:to="us-gaap_AccruedIncomeTaxes_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccruedIncomeTaxes_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accrued Income Taxes </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AccountsPayableAndOtherLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounts payable and other liabilities </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AccountsPayableAndOtherLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accounts Payable And Other Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Liabilities" xlink:type="locator" xlink:label="us-gaap_Liabilities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_Liabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_Liabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:type="locator" xlink:label="us-gaap_StockholdersEquityAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shareholders’ equity: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Stockholders Equity [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockValue" xlink:type="locator" xlink:label="us-gaap_CommonStockValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock: voting—$0.01 par value authorized shares—50,000,000 in 2019 and 2018; 20,560,833 and 20,528,230 shares issued and 19,302,583 and 19,269,980 shares outstanding in 2019 and 2018, respectively </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:type="locator" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Additional paid-in capital </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalCommonStock" xlink:to="us-gaap_AdditionalPaidInCapitalCommonStock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Additional Paid In Capital Common Stock </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockValue" xlink:type="locator" xlink:label="us-gaap_TreasuryStockValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Treasury stock, at cost (1,258,250 shares in 2019 and 2018) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockValue" xlink:to="us-gaap_TreasuryStockValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Treasury Stock Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:type="locator" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated earnings </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Retained Earnings Accumulated Deficit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="locator" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated other comprehensive income (loss), net </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Other Comprehensive Income Loss Net Of Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquity" xlink:type="locator" xlink:label="us-gaap_StockholdersEquity"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total shareholders’ equity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Stockholders Equity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="locator" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total liabilities and shareholders’ equity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Liabilities And Stockholders Equity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesFairValue" xlink:type="locator" xlink:label="us-gaap_HeldToMaturitySecuritiesFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fixed maturity securities, fair value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldToMaturitySecuritiesFairValue" xlink:to="us-gaap_HeldToMaturitySecuritiesFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Held To Maturity Securities Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fixed maturity securities, amortized cost </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:to="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Debt Securities Amortized Cost Basis </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiCost" xlink:type="locator" xlink:label="us-gaap_EquitySecuritiesFvNiCost"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesFvNiCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity securities, cost </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesFvNiCost" xlink:to="us-gaap_EquitySecuritiesFvNiCost_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesFvNiCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Securities Fv Ni Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:type="locator" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, par value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock Par Or Stated Value Per Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesAuthorized"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, shares authorized </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock Shares Authorized </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesIssued"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, shares issued </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock Shares Issued </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesOutstanding"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock, shares outstanding </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock Shares Outstanding </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockShares" xlink:type="locator" xlink:label="us-gaap_TreasuryStockShares"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockShares_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Treasury stock, shares </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockShares" xlink:to="us-gaap_TreasuryStockShares_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockShares_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Treasury Stock Shares </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_SpecialCashDividendDeclaredPerShare" xlink:type="locator" xlink:label="amsf_SpecialCashDividendDeclaredPerShare"/>
<link:label xml:lang="en-US" xlink:label="amsf_SpecialCashDividendDeclaredPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Special cash dividend declared per share. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_SpecialCashDividendDeclaredPerShare" xlink:to="amsf_SpecialCashDividendDeclaredPerShare_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:type="locator" xlink:label="us-gaap_IncomeStatementAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Statement [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenuesAbstract" xlink:type="locator" xlink:label="us-gaap_RevenuesAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revenues </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenuesAbstract" xlink:to="us-gaap_RevenuesAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Revenues [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsEarnedNet" xlink:type="locator" xlink:label="us-gaap_PremiumsEarnedNet"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsEarnedNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net premiums earned </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsEarnedNet" xlink:to="us-gaap_PremiumsEarnedNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsEarnedNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Earned Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetInvestmentIncome" xlink:type="locator" xlink:label="us-gaap_NetInvestmentIncome"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetInvestmentIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net investment income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetInvestmentIncome" xlink:to="us-gaap_NetInvestmentIncome_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetInvestmentIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Net Investment Income </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:type="locator" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLoss"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net realized losses on investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:to="us-gaap_MarketableSecuritiesRealizedGainLoss_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Marketable Securities Realized Gain Loss </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiUnrealizedGainLoss" xlink:type="locator" xlink:label="us-gaap_EquitySecuritiesFvNiUnrealizedGainLoss"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesFvNiUnrealizedGainLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net unrealized gains (losses) on equity securities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesFvNiUnrealizedGainLoss" xlink:to="us-gaap_EquitySecuritiesFvNiUnrealizedGainLoss_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesFvNiUnrealizedGainLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Securities Fv Ni Unrealized Gain Loss </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherIncome" xlink:type="locator" xlink:label="us-gaap_OtherIncome"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fee and other income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherIncome" xlink:to="us-gaap_OtherIncome_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Income </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:type="locator" xlink:label="us-gaap_Revenues"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_Revenues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total revenues </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_Revenues_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_Revenues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Revenues </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:type="locator" xlink:label="us-gaap_CostsAndExpensesAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CostsAndExpensesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostsAndExpensesAbstract" xlink:to="us-gaap_CostsAndExpensesAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CostsAndExpensesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Costs And Expenses [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PolicyholderBenefitsAndClaimsIncurredNet" xlink:type="locator" xlink:label="us-gaap_PolicyholderBenefitsAndClaimsIncurredNet"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Loss and loss adjustment expenses incurred </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PolicyholderBenefitsAndClaimsIncurredNet" xlink:to="us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Policyholder Benefits And Claims Incurred Net </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_UnderwritingAndCertainOtherOperatingCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Underwriting and certain other operating costs </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_UnderwritingAndCertainOtherOperatingCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Underwriting And Certain Other Operating Costs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceCommissions" xlink:type="locator" xlink:label="us-gaap_InsuranceCommissions"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InsuranceCommissions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commissions </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InsuranceCommissions" xlink:to="us-gaap_InsuranceCommissions_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InsuranceCommissions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Insurance Commissions </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:type="locator" xlink:label="us-gaap_LaborAndRelatedExpense"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LaborAndRelatedExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Salaries and benefits </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LaborAndRelatedExpense" xlink:to="us-gaap_LaborAndRelatedExpense_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LaborAndRelatedExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Labor And Related Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PolicyholderDividends" xlink:type="locator" xlink:label="us-gaap_PolicyholderDividends"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PolicyholderDividends_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Policyholder dividends </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PolicyholderDividends" xlink:to="us-gaap_PolicyholderDividends_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PolicyholderDividends_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Policyholder Dividends </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BenefitsLossesAndExpenses" xlink:type="locator" xlink:label="us-gaap_BenefitsLossesAndExpenses"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_BenefitsLossesAndExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BenefitsLossesAndExpenses" xlink:to="us-gaap_BenefitsLossesAndExpenses_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_BenefitsLossesAndExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Benefits Losses And Expenses </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:type="locator" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income before income taxes </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income tax expense </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Expense Benefit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:type="locator" xlink:label="us-gaap_NetIncomeLoss"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Net Income Loss </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:type="locator" xlink:label="us-gaap_EarningsPerShareAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Earnings per share </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_EarningsPerShareAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:type="locator" xlink:label="us-gaap_EarningsPerShareBasic"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Basic </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasic" xlink:to="us-gaap_EarningsPerShareBasic_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share Basic </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:type="locator" xlink:label="us-gaap_EarningsPerShareDiluted"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Diluted </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDiluted" xlink:to="us-gaap_EarningsPerShareDiluted_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share Diluted </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:type="locator" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares used in computing earnings per share </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Weighted Average Number Of Shares Outstanding [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:type="locator" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Basic </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Weighted Average Number Of Shares Outstanding Basic </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="locator" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Diluted </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Weighted Average Number Of Diluted Shares Outstanding </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_SpecialCashDividendDeclaredPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Extraordinary cash dividends declared per common share </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_SpecialCashDividendDeclaredPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Special Cash Dividend Declared Per Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:type="locator" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash dividends declared per common share </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockDividendsPerShareDeclared" xlink:to="us-gaap_CommonStockDividendsPerShareDeclared_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock Dividends Per Share Declared </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statement Of Income And Comprehensive Income [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:to="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net income </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:type="locator" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other comprehensive income: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:type="locator" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrealized gain (loss) on securities, net of tax </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:type="locator" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Comprehensive income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_ComprehensiveIncomeNetOfTax_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Comprehensive Income Net Of Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statement Of Stockholders Equity [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementOfStockholdersEquityAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable" xlink:type="locator" xlink:label="us-gaap_StatementTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatementTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statement [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatementTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statement [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:type="locator" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity Components </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statement Equity Components [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:type="locator" xlink:label="us-gaap_EquityComponentDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity Component </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_EquityComponentDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Component [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember" xlink:type="locator" xlink:label="us-gaap_CommonStockMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common Stock [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:type="locator" xlink:label="us-gaap_AdditionalPaidInCapitalMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Additional Paid-In Capital [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Additional Paid In Capital [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockMember" xlink:type="locator" xlink:label="us-gaap_TreasuryStockMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Treasury Stock [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockMember" xlink:to="us-gaap_TreasuryStockMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Treasury Stock [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:type="locator" xlink:label="us-gaap_RetainedEarningsMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated Earnings [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Retained Earnings [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:type="locator" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated Other Comprehensive Income (Loss) [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Other Comprehensive Income [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:type="locator" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Adjustments for New Accounting Pronouncements </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:to="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Adjustments For New Accounting Pronouncements [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:type="locator" xlink:label="us-gaap_TypeOfAdoptionMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Type of Adoption </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfAdoptionMember" xlink:to="us-gaap_TypeOfAdoptionMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Type Of Adoption [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201602Member" xlink:type="locator" xlink:label="us-gaap_AccountingStandardsUpdate201602Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccountingStandardsUpdate201602Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> ASU 2016-02 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingStandardsUpdate201602Member" xlink:to="us-gaap_AccountingStandardsUpdate201602Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccountingStandardsUpdate201602Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update201602 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201601Member" xlink:type="locator" xlink:label="us-gaap_AccountingStandardsUpdate201601Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccountingStandardsUpdate201601Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> ASU 2016-01 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingStandardsUpdate201601Member" xlink:to="us-gaap_AccountingStandardsUpdate201601Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccountingStandardsUpdate201601Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update201601 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201802Member" xlink:type="locator" xlink:label="us-gaap_AccountingStandardsUpdate201802Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccountingStandardsUpdate201802Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> ASU 2018-02 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingStandardsUpdate201802Member" xlink:to="us-gaap_AccountingStandardsUpdate201802Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccountingStandardsUpdate201802Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update201802 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatementLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statement [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatementLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statement [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Beginning Balance </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Beginning Balance, Shares </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockShares_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel"> Treasury Stock Beginning Balance, Shares </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification" xlink:type="locator" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Impact of adoption of ASU </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification" xlink:to="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:type="locator" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Comprehensive income: </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Comprehensive Income Net Of Tax [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Change in unrealized gains (losses), net of tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions" xlink:type="locator" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock issued upon exercise of options </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock issued upon exercise of options, Shares </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period Shares Stock Options Exercised </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock issued </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period Value New Issues </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock issued, Shares </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Issued During Period Shares New Issues </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition" xlink:type="locator" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-based compensation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsCommonStock" xlink:type="locator" xlink:label="us-gaap_DividendsCommonStock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendsCommonStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Dividends to shareholders </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsCommonStock" xlink:to="us-gaap_DividendsCommonStock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendsCommonStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Dividends Common Stock </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Ending Balance </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Ending Balance, Shares </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockShares_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel"> Treasury Stock Ending Balance, Shares </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_MarketableSecuritiesRealizedGainLossLessMoneyMarketFunds" xlink:type="locator" xlink:label="amsf_MarketableSecuritiesRealizedGainLossLessMoneyMarketFunds"/>
<link:label xml:lang="en-US" xlink:label="amsf_MarketableSecuritiesRealizedGainLossLessMoneyMarketFunds_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> This item represents the total realized gain (loss) included in earnings for the period as a result of selling marketable securities categorized as trading, available-for-sale, or held-to-maturity less money market funds. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_MarketableSecuritiesRealizedGainLossLessMoneyMarketFunds" xlink:to="amsf_MarketableSecuritiesRealizedGainLossLessMoneyMarketFunds_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_IncreaseDecreaseReinsuranceBalances" xlink:type="locator" xlink:label="amsf_IncreaseDecreaseReinsuranceBalances"/>
<link:label xml:lang="en-US" xlink:label="amsf_IncreaseDecreaseReinsuranceBalances_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Increase decrease reinsurance balances. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_IncreaseDecreaseReinsuranceBalances" xlink:to="amsf_IncreaseDecreaseReinsuranceBalances_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_IncreaseDecreaseAmountsHeldForOthersAndPolicyholderDeposits" xlink:type="locator" xlink:label="amsf_IncreaseDecreaseAmountsHeldForOthersAndPolicyholderDeposits"/>
<link:label xml:lang="en-US" xlink:label="amsf_IncreaseDecreaseAmountsHeldForOthersAndPolicyholderDeposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Increase decrease amounts held for others and policyholder deposits. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_IncreaseDecreaseAmountsHeldForOthersAndPolicyholderDeposits" xlink:to="amsf_IncreaseDecreaseAmountsHeldForOthersAndPolicyholderDeposits_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfCashFlowsAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statement Of Cash Flows [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating activities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided By Used In Operating Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss" xlink:type="locator" xlink:label="us-gaap_ProfitLoss"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProfitLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProfitLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Profit Loss </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Adjustments to reconcile net income to net cash provided by operating activities: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Depreciation" xlink:type="locator" xlink:label="us-gaap_Depreciation"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_Depreciation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Depreciation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Depreciation" xlink:to="us-gaap_Depreciation_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_Depreciation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Depreciation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:type="locator" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Net amortization of investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:to="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accretion Amortization Of Discounts And Premiums Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred income taxes </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Income Tax Expense Benefit </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_MarketableSecuritiesRealizedGainLossLessMoneyMarketFunds_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Net realized losses on investments </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_MarketableSecuritiesRealizedGainLossLessMoneyMarketFunds_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Marketable Securities Realized Gain Loss Less Money Market Funds </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesFvNiUnrealizedGainLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Net unrealized (gains) losses on equity securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:type="locator" xlink:label="us-gaap_GainLossOnDispositionOfAssets"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_GainLossOnDispositionOfAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Net realized losses on disposal of assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDispositionOfAssets" xlink:to="us-gaap_GainLossOnDispositionOfAssets_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_GainLossOnDispositionOfAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Gain Loss On Disposition Of Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensation"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-based compensation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Changes in operating assets and liabilities: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease In Operating Capital [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInPremiumsReceivable" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInPremiumsReceivable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInPremiumsReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Premiums receivable, net </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPremiumsReceivable" xlink:to="us-gaap_IncreaseDecreaseInPremiumsReceivable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInPremiumsReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease In Premiums Receivable </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Accrued interest receivable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable" xlink:to="us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease In Accrued Investment Income Receivable </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Deferred policy acquisition costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts" xlink:to="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease In Deferred Policy Acquisition Costs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInDepositOtherAssets" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInDepositOtherAssets"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInDepositOtherAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Amounts held by others </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDepositOtherAssets" xlink:to="us-gaap_IncreaseDecreaseInDepositOtherAssets_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInDepositOtherAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease In Deposit Other Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Other assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease In Other Operating Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reserves for loss and loss adjustment expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve" xlink:to="us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInUnearnedPremiums" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInUnearnedPremiums"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInUnearnedPremiums_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unearned premiums </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInUnearnedPremiums" xlink:to="us-gaap_IncreaseDecreaseInUnearnedPremiums_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInUnearnedPremiums_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease In Unearned Premiums </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_IncreaseDecreaseReinsuranceBalances_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reinsurance balances </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_IncreaseDecreaseReinsuranceBalances_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease Reinsurance Balances </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_IncreaseDecreaseAmountsHeldForOthersAndPolicyholderDeposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amounts held for others and policyholder deposits </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_IncreaseDecreaseAmountsHeldForOthersAndPolicyholderDeposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease Amounts Held For Others And Policyholder Deposits </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accounts payable and other liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Increase Decrease In Accounts Payable And Accrued Liabilities </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net cash provided by operating activities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided By Used In Operating Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investing activities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided By Used In Investing Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireHeldToMaturitySecurities" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquireHeldToMaturitySecurities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireHeldToMaturitySecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Purchases of investments held-to-maturity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireHeldToMaturitySecurities" xlink:to="us-gaap_PaymentsToAcquireHeldToMaturitySecurities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireHeldToMaturitySecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Payments To Acquire Held To Maturity Securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Purchases of investments available-for-sale </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt" xlink:to="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Payments To Acquire Available For Sale Securities Debt </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PaymentsToAcquireEquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Purchases of equity securities </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PaymentsToAcquireEquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Payments To Acquire Equity Securities Fv Ni </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireShortTermInvestments" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquireShortTermInvestments"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireShortTermInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Purchases of short-term investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireShortTermInvestments" xlink:to="us-gaap_PaymentsToAcquireShortTermInvestments_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireShortTermInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Payments To Acquire Short Term Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities" xlink:type="locator" xlink:label="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from maturities of investments held-to-maturity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities" xlink:to="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xlink:type="locator" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from sales and maturities of investments available-for-sale </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xlink:to="us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds From Sale And Maturity Of Available For Sale Securities </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ProceedsFromSaleOfEquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from sales of equity securities </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ProceedsFromSaleOfEquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds From Sale Of Equity Securities Fv Ni </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments" xlink:type="locator" xlink:label="us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from sales and maturities of short-term investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments" xlink:to="us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds From Sale Maturity And Collection Of Shortterm Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities" xlink:type="locator" xlink:label="us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from redemptions of other investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities" xlink:to="us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds From Sale Of Other Assets Investing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Purchases of property and equipment </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Payments To Acquire Property Plant And Equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net cash provided by (used in) investing activities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided By Used In Investing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Financing activities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided By Used In Financing Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:type="locator" xlink:label="us-gaap_ProceedsFromStockOptionsExercised"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from stock option exercises </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromStockOptionsExercised" xlink:to="us-gaap_ProceedsFromStockOptionsExercised_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds From Stock Options Exercised </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeasePrincipalPayments" xlink:type="locator" xlink:label="us-gaap_FinanceLeasePrincipalPayments"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeasePrincipalPayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Finance lease purchases </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeasePrincipalPayments" xlink:to="us-gaap_FinanceLeasePrincipalPayments_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeasePrincipalPayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Principal Payments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:type="locator" xlink:label="us-gaap_PaymentsOfDividendsCommonStock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Dividends to shareholders </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividendsCommonStock" xlink:to="us-gaap_PaymentsOfDividendsCommonStock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Payments Of Dividends Common Stock </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net cash used in financing activities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Net Cash Provided By Used In Financing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:type="locator" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Change in cash and cash equivalents </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:type="locator" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Cash and cash equivalents at beginning of year </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Cash and cash equivalents at end of year </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Supplemental disclosure of cash flow information </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Cash Flow Information [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:type="locator" xlink:label="us-gaap_IncomeTaxesPaidNet"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income taxes paid </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaidNet" xlink:to="us-gaap_IncomeTaxesPaidNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Taxes Paid Net </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentsIncorporatedByReferenceTextBlock" xlink:type="locator" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Documents Incorporated by Reference </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentsIncorporatedByReferenceTextBlock" xlink:to="dei_DocumentsIncorporatedByReferenceTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Documents Incorporated By Reference [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:type="locator" xlink:label="us-gaap_AccountingPoliciesAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Policies [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_AccountingPoliciesAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:type="locator" xlink:label="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Significant Accounting Policies </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:to="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:type="locator" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Investments Debt And Equity Securities [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:to="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:to="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceAbstract" xlink:type="locator" xlink:label="us-gaap_InsuranceAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InsuranceAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Insurance [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InsuranceAbstract" xlink:to="us-gaap_InsuranceAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsReceivableNote" xlink:type="locator" xlink:label="us-gaap_PremiumsReceivableNote"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableNote_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Premiums Receivable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsReceivableNote" xlink:to="us-gaap_PremiumsReceivableNote_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableNote_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Receivable Note </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredPolicyAcquisitionCostsTextBlock1" xlink:type="locator" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsTextBlock1"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsTextBlock1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred Policy Acquisition Costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredPolicyAcquisitionCostsTextBlock1" xlink:to="us-gaap_DeferredPolicyAcquisitionCostsTextBlock1_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsTextBlock1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Policy Acquisition Costs Text Block1 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Property Plant And Equipment [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and Equipment </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Property Plant And Equipment Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceTextBlock" xlink:type="locator" xlink:label="us-gaap_ReinsuranceTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reinsurance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceTextBlock" xlink:to="us-gaap_ReinsuranceTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Disclosure [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_IncomeTaxDisclosureAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Taxes </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxDisclosureTextBlock" xlink:to="us-gaap_IncomeTaxDisclosureTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Disclosure [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_LineOfCreditTextBlock" xlink:type="locator" xlink:label="amsf_LineOfCreditTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_LineOfCreditTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Line of credit text block. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_LineOfCreditTextBlock" xlink:to="amsf_LineOfCreditTextBlock_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TextBlockAbstract" xlink:type="locator" xlink:label="us-gaap_TextBlockAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_TextBlockAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Text Block [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_TextBlockAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_LineOfCreditTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Line of Credit </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_LineOfCreditTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Line Of Credit [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsDisclosureTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Loss and Loss Adjustment Expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsDisclosureTextBlock" xlink:to="us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsDisclosureTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Liability For Future Policy Benefits And Unpaid Claims Disclosure [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_StatutoryAccountingAndRegulatoryRequirementsTextBlock" xlink:type="locator" xlink:label="amsf_StatutoryAccountingAndRegulatoryRequirementsTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_StatutoryAccountingAndRegulatoryRequirementsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Statutory Accounting And Regulatory Requirements [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_StatutoryAccountingAndRegulatoryRequirementsTextBlock" xlink:to="amsf_StatutoryAccountingAndRegulatoryRequirementsTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_StatutoryAccountingAndRegulatoryRequirementsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statutory Accounting and Regulatory Requirements </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_StatutoryAccountingAndRegulatoryRequirementsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statutory Accounting And Regulatory Requirements [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_CapitalStockTextBlock" xlink:type="locator" xlink:label="amsf_CapitalStockTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_CapitalStockTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Capital stock text block. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_CapitalStockTextBlock" xlink:to="amsf_CapitalStockTextBlock_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityAbstract" xlink:type="locator" xlink:label="us-gaap_EquityAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Equity [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityAbstract" xlink:to="us-gaap_EquityAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_CapitalStockTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Capital Stock </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_CapitalStockTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Capital Stock [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:type="locator" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:type="locator" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock Options and Restricted Stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:to="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Disclosure Of Compensation Related Costs Share Based Payments [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:type="locator" xlink:label="us-gaap_EarningsPerShareTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Earnings Per Share </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareTextBlock" xlink:to="us-gaap_EarningsPerShareTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:type="locator" xlink:label="us-gaap_ComprehensiveIncomeNoteTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ComprehensiveIncomeNoteTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Comprehensive Income and Accumulated Other Comprehensive Income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:to="us-gaap_ComprehensiveIncomeNoteTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ComprehensiveIncomeNoteTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Comprehensive Income Note [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Compensation And Retirement Disclosure [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:to="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Employee Benefit Plan </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:to="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Pension And Other Postretirement Benefits Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments And Contingencies Disclosure [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commitments and Contingencies </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments And Contingencies Disclosure [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ConcentrationOfOperationsTextBlock" xlink:type="locator" xlink:label="amsf_ConcentrationOfOperationsTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ConcentrationOfOperationsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Concentration of operations. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ConcentrationOfOperationsTextBlock" xlink:to="amsf_ConcentrationOfOperationsTextBlock_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ConcentrationOfOperationsAbstract" xlink:type="locator" xlink:label="amsf_ConcentrationOfOperationsAbstract"/>
<link:label xml:lang="en-US" xlink:label="amsf_ConcentrationOfOperationsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Concentration of operations. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ConcentrationOfOperationsAbstract" xlink:to="amsf_ConcentrationOfOperationsAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ConcentrationOfOperationsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Concentration Of Operations [Abstract] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ConcentrationOfOperationsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Concentration of Operations </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ConcentrationOfOperationsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Concentration Of Operations [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:type="locator" xlink:label="us-gaap_FairValueDisclosuresAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Disclosures [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueDisclosuresAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Values of Financial Instruments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:to="us-gaap_FairValueMeasurementInputsDisclosureTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Measurement Inputs Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_QuarterlyFinancialInformationDisclosureAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Quarterly Financial Information Disclosure [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:to="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:type="locator" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Quarterly Financial Data (Unaudited) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_QuarterlyFinancialInformationTextBlock" xlink:to="us-gaap_QuarterlyFinancialInformationTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Quarterly Financial Information [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_CapitalManagementAndDividendsTextBlock" xlink:type="locator" xlink:label="amsf_CapitalManagementAndDividendsTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_CapitalManagementAndDividendsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Capital management and dividends. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_CapitalManagementAndDividendsTextBlock" xlink:to="amsf_CapitalManagementAndDividendsTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_CapitalManagementAndDividendsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Capital Management </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_CapitalManagementAndDividendsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Capital Management And Dividends [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:type="locator" xlink:label="us-gaap_SubsequentEventsAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Events [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventsAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:type="locator" xlink:label="us-gaap_SubsequentEventsTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Subsequent Events </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsTextBlock" xlink:to="us-gaap_SubsequentEventsTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Events [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" xlink:type="locator" xlink:label="srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract"/>
<link:label xml:lang="en-US" xlink:label="srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Condensed Financial Information Of Parent Company Only Disclosure [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" xlink:to="srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule II. Condensed Financial Information of Registrant </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" xlink:to="us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Condensed Financial Information Of Parent Company Only Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract" xlink:type="locator" xlink:label="srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract"/>
<link:label xml:lang="en-US" xlink:label="srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Information For Property Casualty Insurance Underwriters [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract" xlink:to="srt_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScheduleOfSupplementalInformationForPropertyCasualtyInsuranceUnderwritersTextBlock" xlink:type="locator" xlink:label="srt_ScheduleOfSupplementalInformationForPropertyCasualtyInsuranceUnderwritersTextBlock"/>
<link:label xml:lang="en-US" xlink:label="srt_ScheduleOfSupplementalInformationForPropertyCasualtyInsuranceUnderwritersTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule VI. Supplemental Information Concerning Property-Casualty Insurance Operations </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScheduleOfSupplementalInformationForPropertyCasualtyInsuranceUnderwritersTextBlock" xlink:to="srt_ScheduleOfSupplementalInformationForPropertyCasualtyInsuranceUnderwritersTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_ScheduleOfSupplementalInformationForPropertyCasualtyInsuranceUnderwritersTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Supplemental Information For Property Casualty Insurance Underwriters [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_OtherInvestmentsPolicyTextBlock" xlink:type="locator" xlink:label="amsf_OtherInvestmentsPolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_OtherInvestmentsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Other Investments Policy [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_OtherInvestmentsPolicyTextBlock" xlink:to="amsf_OtherInvestmentsPolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_OtherInvestmentsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Investments </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OtherInvestmentsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Investments Policy [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_OrganizationPolicyTextBlock" xlink:type="locator" xlink:label="amsf_OrganizationPolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_OrganizationPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Organization. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_OrganizationPolicyTextBlock" xlink:to="amsf_OrganizationPolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_OrganizationPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Organization </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OrganizationPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Organization Policy [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Basis of Presentation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:to="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Basis Of Accounting Policy Policy [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Adopted Accounting Guidance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> New Accounting Pronouncements Policy Policy [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ProspectiveAccountingGuidancePolicyTextBlock" xlink:type="locator" xlink:label="amsf_ProspectiveAccountingGuidancePolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ProspectiveAccountingGuidancePolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Prospective accounting guidance. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ProspectiveAccountingGuidancePolicyTextBlock" xlink:to="amsf_ProspectiveAccountingGuidancePolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ProspectiveAccountingGuidancePolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Prospective Accounting Guidance </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ProspectiveAccountingGuidancePolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Prospective Accounting Guidance Policy [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_InvestmentPolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentPolicyTextBlock" xlink:to="us-gaap_InvestmentPolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Investment Policy [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash and Cash Equivalents </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Cash And Cash Equivalents Policy [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ShortTermInvestmentsPolicyTextBlock" xlink:type="locator" xlink:label="amsf_ShortTermInvestmentsPolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShortTermInvestmentsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Short term investments policy. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ShortTermInvestmentsPolicyTextBlock" xlink:to="amsf_ShortTermInvestmentsPolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShortTermInvestmentsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Short-Term Investments </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ShortTermInvestmentsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Short Term Investments Policy [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsReceivableBasisOfAccountingPolicy" xlink:type="locator" xlink:label="us-gaap_PremiumsReceivableBasisOfAccountingPolicy"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableBasisOfAccountingPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Premiums Receivable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsReceivableBasisOfAccountingPolicy" xlink:to="us-gaap_PremiumsReceivableBasisOfAccountingPolicy_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableBasisOfAccountingPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Receivable Basis Of Accounting Policy </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and Equipment </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Property Plant And Equipment Policy [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalizationOfDeferredPolicyAcquisitionCostsPolicy" xlink:type="locator" xlink:label="us-gaap_CapitalizationOfDeferredPolicyAcquisitionCostsPolicy"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CapitalizationOfDeferredPolicyAcquisitionCostsPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred Policy Acquisition Costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizationOfDeferredPolicyAcquisitionCostsPolicy" xlink:to="us-gaap_CapitalizationOfDeferredPolicyAcquisitionCostsPolicy_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CapitalizationOfDeferredPolicyAcquisitionCostsPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Capitalization Of Deferred Policy Acquisition Costs Policy </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnpaidPolicyClaimsAndClaimsAdjustmentExpensePolicy" xlink:type="locator" xlink:label="us-gaap_UnpaidPolicyClaimsAndClaimsAdjustmentExpensePolicy"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_UnpaidPolicyClaimsAndClaimsAdjustmentExpensePolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reserves for Loss and Loss Adjustment Expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnpaidPolicyClaimsAndClaimsAdjustmentExpensePolicy" xlink:to="us-gaap_UnpaidPolicyClaimsAndClaimsAdjustmentExpensePolicy_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_UnpaidPolicyClaimsAndClaimsAdjustmentExpensePolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Unpaid Policy Claims And Claims Adjustment Expense Policy </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsurancePremiumsRevenueRecognitionPolicy" xlink:type="locator" xlink:label="us-gaap_InsurancePremiumsRevenueRecognitionPolicy"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InsurancePremiumsRevenueRecognitionPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Premium Revenue </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InsurancePremiumsRevenueRecognitionPolicy" xlink:to="us-gaap_InsurancePremiumsRevenueRecognitionPolicy_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InsurancePremiumsRevenueRecognitionPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Insurance Premiums Revenue Recognition Policy </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceAccountingPolicy" xlink:type="locator" xlink:label="us-gaap_ReinsuranceAccountingPolicy"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceAccountingPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reinsurance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceAccountingPolicy" xlink:to="us-gaap_ReinsuranceAccountingPolicy_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceAccountingPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance Accounting Policy </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_FeeAndOtherIncomePolicyTextBlock" xlink:type="locator" xlink:label="amsf_FeeAndOtherIncomePolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_FeeAndOtherIncomePolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Fee And Other Income Policy [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_FeeAndOtherIncomePolicyTextBlock" xlink:to="amsf_FeeAndOtherIncomePolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_FeeAndOtherIncomePolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fee and Other Income </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FeeAndOtherIncomePolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fee And Other Income Policy [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdvertisingCostsPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Advertising </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdvertisingCostsPolicyTextBlock" xlink:to="us-gaap_AdvertisingCostsPolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Advertising Costs Policy [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_IncomeTaxPolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Taxes </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxPolicyTextBlock" xlink:to="us-gaap_IncomeTaxPolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Policy [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndustrySpecificPoliciesInsuranceCompaniesTextBlock" xlink:type="locator" xlink:label="us-gaap_IndustrySpecificPoliciesInsuranceCompaniesTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IndustrySpecificPoliciesInsuranceCompaniesTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Insurance-Related Assessments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndustrySpecificPoliciesInsuranceCompaniesTextBlock" xlink:to="us-gaap_IndustrySpecificPoliciesInsuranceCompaniesTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IndustrySpecificPoliciesInsuranceCompaniesTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Industry Specific Policies Insurance Companies [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PolicyholdersDividendPolicy" xlink:type="locator" xlink:label="us-gaap_PolicyholdersDividendPolicy"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PolicyholdersDividendPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Policyholder Dividends </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PolicyholdersDividendPolicy" xlink:to="us-gaap_PolicyholdersDividendPolicy_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PolicyholdersDividendPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Policyholders Dividend Policy </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Earnings Per Share </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerSharePolicyTextBlock" xlink:to="us-gaap_EarningsPerSharePolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share Policy [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-Based Compensation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:to="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Option And Incentive Plans Policy </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Values of Financial Instruments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:to="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Measurement Policy Policy [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InformationByCategoryOfDebtSecurityAxis" xlink:type="locator" xlink:label="us-gaap_InformationByCategoryOfDebtSecurityAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InformationByCategoryOfDebtSecurityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt Security Category </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InformationByCategoryOfDebtSecurityAxis" xlink:to="us-gaap_InformationByCategoryOfDebtSecurityAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InformationByCategoryOfDebtSecurityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Information By Category Of Debt Security [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain" xlink:type="locator" xlink:label="us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain" xlink:to="us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Than Temporary Impairment Credit Losses Recognized In Earnings Categories Of Investments [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldtomaturitySecuritiesMember" xlink:type="locator" xlink:label="us-gaap_HeldtomaturitySecuritiesMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldtomaturitySecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Held-to-Maturity Securities [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldtomaturitySecuritiesMember" xlink:to="us-gaap_HeldtomaturitySecuritiesMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldtomaturitySecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Heldtomaturity Securities [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableforsaleSecuritiesMember" xlink:type="locator" xlink:label="us-gaap_AvailableforsaleSecuritiesMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableforsaleSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Available-for-Sale Securities [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableforsaleSecuritiesMember" xlink:to="us-gaap_AvailableforsaleSecuritiesMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableforsaleSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Availableforsale Securities [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesTextBlock" xlink:type="locator" xlink:label="us-gaap_HeldToMaturitySecuritiesTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gross Unrealized Gains and Losses and Amortized Cost and Fair Value of Investments Classified as Held-to-maturity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldToMaturitySecuritiesTextBlock" xlink:to="us-gaap_HeldToMaturitySecuritiesTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Held To Maturity Securities [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gross Unrealized Gains and Losses and Cost or Amortized Cost and Fair Value of Investments Classified as Available-for-sale </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock" xlink:to="us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Available For Sale Securities Reconciliation Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ScheduleOfCostOfEquitySecuritiesTableTextBlock" xlink:type="locator" xlink:label="amsf_ScheduleOfCostOfEquitySecuritiesTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfCostOfEquitySecuritiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of Cost of equity securities. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ScheduleOfCostOfEquitySecuritiesTableTextBlock" xlink:to="amsf_ScheduleOfCostOfEquitySecuritiesTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfCostOfEquitySecuritiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gross Unrealized Gains and Losses and Cost of Equity </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfCostOfEquitySecuritiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Cost Of Equity Securities Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xlink:type="locator" xlink:label="us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Amortized Cost and Fair Value of Investments in Fixed Maturity Securities, by Contractual Maturity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xlink:to="us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Investments Classified By Contractual Maturity Date Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRealizedGainLossTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfRealizedGainLossTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfRealizedGainLossTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> A Summary of the Company's Realized Gains and Losses on Sales, Calls or Redemptions of Investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRealizedGainLossTableTextBlock" xlink:to="us-gaap_ScheduleOfRealizedGainLossTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfRealizedGainLossTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Realized Gain Loss Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentIncomeTextBlock" xlink:type="locator" xlink:label="us-gaap_InvestmentIncomeTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentIncomeTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Major Categories of the Company's Net Investment Income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeTextBlock" xlink:to="us-gaap_InvestmentIncomeTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentIncomeTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Investment Income [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investment Securities Continuous Unrealized Loss Position </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock" xlink:to="us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Unrealized Loss On Investments Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ComponentsOfPremiumsReceivableTableTextBlock" xlink:type="locator" xlink:label="amsf_ComponentsOfPremiumsReceivableTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ComponentsOfPremiumsReceivableTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Components of premiums receivable. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ComponentsOfPremiumsReceivableTableTextBlock" xlink:to="amsf_ComponentsOfPremiumsReceivableTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ComponentsOfPremiumsReceivableTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Components of Premiums Receivable </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ComponentsOfPremiumsReceivableTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Components Of Premiums Receivable Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Activity in Allowance for Doubtful Accounts </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock" xlink:to="us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Credit Losses For Financing Receivables Current Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ScheduleOfMajorCategoriesOfDeferredPolicyAcquisitionCostsTableTextBlock" xlink:type="locator" xlink:label="amsf_ScheduleOfMajorCategoriesOfDeferredPolicyAcquisitionCostsTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfMajorCategoriesOfDeferredPolicyAcquisitionCostsTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule Of Major Categories Of Deferred Policy Acquisition Costs Table [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ScheduleOfMajorCategoriesOfDeferredPolicyAcquisitionCostsTableTextBlock" xlink:to="amsf_ScheduleOfMajorCategoriesOfDeferredPolicyAcquisitionCostsTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfMajorCategoriesOfDeferredPolicyAcquisitionCostsTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Major Categories of the Deferred Policy Acquisition Costs </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfMajorCategoriesOfDeferredPolicyAcquisitionCostsTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Major Categories Of Deferred Policy Acquisition Costs Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredPolicyAcquisitionCostsTableTextBlock" xlink:type="locator" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of the Activity in the Deferred Policy Acquisition Costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredPolicyAcquisitionCostsTableTextBlock" xlink:to="us-gaap_DeferredPolicyAcquisitionCostsTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Policy Acquisition Costs Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Property and Equipment </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Property Plant And Equipment [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ReinsuranceInformationTableTextBlock" xlink:type="locator" xlink:label="amsf_ReinsuranceInformationTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ReinsuranceInformationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Reinsurance Information. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ReinsuranceInformationTableTextBlock" xlink:to="amsf_ReinsuranceInformationTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ReinsuranceInformationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of the Effect of Reinsurance on Premiums Written and Earned </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ReinsuranceInformationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance Information Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ReinsuranceReservesRecoverableTableTextBlock" xlink:type="locator" xlink:label="amsf_ReinsuranceReservesRecoverableTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ReinsuranceReservesRecoverableTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Reinsurance reserves recoverable. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ReinsuranceReservesRecoverableTableTextBlock" xlink:to="amsf_ReinsuranceReservesRecoverableTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ReinsuranceReservesRecoverableTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of the Amounts Recoverable from Reinsurers </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ReinsuranceReservesRecoverableTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance Reserves Recoverable Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_UnsecuredReinsuranceReservesRecoverableTableTextBlock" xlink:type="locator" xlink:label="amsf_UnsecuredReinsuranceReservesRecoverableTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_UnsecuredReinsuranceReservesRecoverableTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Unsecured Reinsurance Reserves Recoverable Table [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_UnsecuredReinsuranceReservesRecoverableTableTextBlock" xlink:to="amsf_UnsecuredReinsuranceReservesRecoverableTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_UnsecuredReinsuranceReservesRecoverableTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Unsecured Reinsurance Recoverables from Reinsurers </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_UnsecuredReinsuranceReservesRecoverableTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Unsecured Reinsurance Reserves Recoverable Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Company's Deferred Income Tax Assets and Liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Deferred Tax Assets And Liabilities Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Components of Consolidated Income Tax Expense (Benefit) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:to="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Components Of Income Tax Expense Benefit Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income Tax Expense from Operations from the Amount Computed by Applying the U.S. Federal Income Tax Statutory Rate of 35% to Income Before Income Taxes </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:to="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Development Tables of Incurred and Paid Losses and Allocated Loss Adjustment Expenses Net of Reinsurance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock" xlink:to="us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Claims Development Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Average Annual Percentage Payout of Incurred Losses by Age Net of Reinsurance for Worker's Compensation and General Liability </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock" xlink:to="us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Schedule Of Historical Claims Duration Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense" xlink:type="locator" xlink:label="us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reconciliation of Beginning and Ending Reserve Balances, Net of Related Amounts Recoverable from Reinsurers </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense" xlink:to="us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAsbestosTableTextBlock" xlink:type="locator" xlink:label="amsf_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAsbestosTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAsbestosTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense Asbestos Table [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAsbestosTableTextBlock" xlink:to="amsf_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAsbestosTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAsbestosTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary Exposures to Various Asbestos Related Claims </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAsbestosTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense Asbestos Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatutoryAccountingPracticesDisclosureTextBlock" xlink:type="locator" xlink:label="us-gaap_StatutoryAccountingPracticesDisclosureTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatutoryAccountingPracticesDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Insurance Subsidiaries </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatutoryAccountingPracticesDisclosureTextBlock" xlink:to="us-gaap_StatutoryAccountingPracticesDisclosureTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatutoryAccountingPracticesDisclosureTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statutory Accounting Practices Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock Option Activity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted Average Grant Date Fair Values of Options Granted </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted Stock Activity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Share Based Compensation Restricted Stock Units Award Activity Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Calculation of Basic and Diluted Earnings Per Share </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:to="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reconciliation of Weighted Average Shares used for Basic and Diluted Earnings Per Share Calculation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xlink:to="us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Weighted Average Number Of Shares Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Changes in Accumulated Other Comprehensive Income (AOCI) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:to="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Accumulated Other Comprehensive Income Loss Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reclassification Out of Accumulated Other Comprehensive Income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" xlink:to="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reclassification Out Of Accumulated Other Comprehensive Income Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Comprehensive Income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock" xlink:to="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Comprehensive Income Loss Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_PurchaseAmountOfAnnuitiesTableTextBlock" xlink:type="locator" xlink:label="amsf_PurchaseAmountOfAnnuitiesTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_PurchaseAmountOfAnnuitiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Purchase amount of annuities. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_PurchaseAmountOfAnnuitiesTableTextBlock" xlink:to="amsf_PurchaseAmountOfAnnuitiesTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_PurchaseAmountOfAnnuitiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value of Annuities </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PurchaseAmountOfAnnuitiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Purchase Amount Of Annuities Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeaseCostTableTextBlock" xlink:type="locator" xlink:label="us-gaap_LeaseCostTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Components of Lease Expense </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCostTableTextBlock" xlink:to="us-gaap_LeaseCostTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lease Cost Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock" xlink:type="locator" xlink:label="amsf_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of supplemental cash flow information related to leases. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock" xlink:to="amsf_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Supplemental Cash Flow Information Related to Leases </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfSupplementalCashFlowInformationRelatedToLeasesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Supplemental Cash Flow Information Related To Leases Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ScheduleOfRightOfUseAssetsObtainedInExchangeForLeaseObligationsTableTextBlock" xlink:type="locator" xlink:label="amsf_ScheduleOfRightOfUseAssetsObtainedInExchangeForLeaseObligationsTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfRightOfUseAssetsObtainedInExchangeForLeaseObligationsTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of right-of-use assets obtained in exchange for Lease obligations. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ScheduleOfRightOfUseAssetsObtainedInExchangeForLeaseObligationsTableTextBlock" xlink:to="amsf_ScheduleOfRightOfUseAssetsObtainedInExchangeForLeaseObligationsTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfRightOfUseAssetsObtainedInExchangeForLeaseObligationsTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Right-of-use Assets Obtained in Exchange for Lease Obligations </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfRightOfUseAssetsObtainedInExchangeForLeaseObligationsTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Right Of Use Assets Obtained In Exchange For Lease Obligations Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock" xlink:type="locator" xlink:label="amsf_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of supplemental balance sheet information related to leases. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock" xlink:to="amsf_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Supplemental Balance Sheet Information Related to Leases </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Supplemental Balance Sheet Information Related To Leases Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateTableTextBlock" xlink:type="locator" xlink:label="amsf_ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of weighted average remaining lease term and discount rate. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateTableTextBlock" xlink:to="amsf_ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Weighted Average Remaining Lease Term and Discount Rate </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Weighted Average Remaining Lease Term And Discount Rate Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_LesseeOperatingLeaseAndFinanceLeaseLiabilitiesMaturityTableTextBlock" xlink:type="locator" xlink:label="amsf_LesseeOperatingLeaseAndFinanceLeaseLiabilitiesMaturityTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_LesseeOperatingLeaseAndFinanceLeaseLiabilitiesMaturityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Lessee, operating lease and finance lease liabilities, maturity. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_LesseeOperatingLeaseAndFinanceLeaseLiabilitiesMaturityTableTextBlock" xlink:to="amsf_LesseeOperatingLeaseAndFinanceLeaseLiabilitiesMaturityTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_LesseeOperatingLeaseAndFinanceLeaseLiabilitiesMaturityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Maturity Analysis of Annual Undiscounted Cash Flows of Operating and Finance Lease Liabilities </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_LesseeOperatingLeaseAndFinanceLeaseLiabilitiesMaturityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating Lease And Finance Lease Liabilities Maturity Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ScheduleOfPremiumsEarnedNetByGeographicalSegmentTableTextBlock" xlink:type="locator" xlink:label="amsf_ScheduleOfPremiumsEarnedNetByGeographicalSegmentTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfPremiumsEarnedNetByGeographicalSegmentTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule of premiums earned net by geographical segment. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ScheduleOfPremiumsEarnedNetByGeographicalSegmentTableTextBlock" xlink:to="amsf_ScheduleOfPremiumsEarnedNetByGeographicalSegmentTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfPremiumsEarnedNetByGeographicalSegmentTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net Premiums Earned for the Top Ten States </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfPremiumsEarnedNetByGeographicalSegmentTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Premiums Earned Net By Geographical Segment Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:type="locator" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Carrying or Reported Values and Corresponding Fair Values for Financial Instruments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:to="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value By Balance Sheet Grouping [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Assets Measured at Fair Value on Recurring Basis </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:to="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_HeldToMaturitySecuritiesTableTextBlock" xlink:type="locator" xlink:label="amsf_HeldToMaturitySecuritiesTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="amsf_HeldToMaturitySecuritiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Fair value schedule of assets carried at amortized cost. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_HeldToMaturitySecuritiesTableTextBlock" xlink:to="amsf_HeldToMaturitySecuritiesTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_HeldToMaturitySecuritiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule of Assets Measured at Amortized Cost </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_HeldToMaturitySecuritiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Held To Maturity Securities Table [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Summary of Information Regarding Changes in Fair Value of Assets Measured at Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unaudited Quarterly Financial Data </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:to="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Quarterly Financial Information Table [Text Block] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_PercentageOfComparableConsolidatedAmount" xlink:type="locator" xlink:label="amsf_PercentageOfComparableConsolidatedAmount"/>
<link:label xml:lang="en-US" xlink:label="amsf_PercentageOfComparableConsolidatedAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Percentage of comparable consolidated amount. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_PercentageOfComparableConsolidatedAmount" xlink:to="amsf_PercentageOfComparableConsolidatedAmount_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_RegulatoryAssetsAbstract" xlink:type="locator" xlink:label="amsf_RegulatoryAssetsAbstract"/>
<link:label xml:lang="en-US" xlink:label="amsf_RegulatoryAssetsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Regulatory Assets [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_RegulatoryAssetsAbstract" xlink:to="amsf_RegulatoryAssetsAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_RegulatoryAssetsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Regulatory Assets [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable" xlink:type="locator" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> New Accounting Pronouncements Or Change In Accounting Principle [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable" xlink:to="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> New Accounting Pronouncements Or Change In Accounting Principle [Table] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Common Shares [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201613Member" xlink:type="locator" xlink:label="us-gaap_AccountingStandardsUpdate201613Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccountingStandardsUpdate201613Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> ASU 2016-13 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingStandardsUpdate201613Member" xlink:to="us-gaap_AccountingStandardsUpdate201613Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccountingStandardsUpdate201613Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accounting Standards Update201613 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:type="locator" xlink:label="srt_RangeAxis"/>
<link:label xml:lang="en-US" xlink:label="srt_RangeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statistical Measurement </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeAxis" xlink:to="srt_RangeAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_RangeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Range [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:type="locator" xlink:label="srt_RangeMember"/>
<link:label xml:lang="en-US" xlink:label="srt_RangeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statistical Measurement </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeMember" xlink:to="srt_RangeMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_RangeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Range [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:type="locator" xlink:label="srt_MinimumMember"/>
<link:label xml:lang="en-US" xlink:label="srt_MinimumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Minimum [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MinimumMember" xlink:to="srt_MinimumMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_MinimumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Minimum [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember" xlink:type="locator" xlink:label="srt_MaximumMember"/>
<link:label xml:lang="en-US" xlink:label="srt_MaximumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Maximum [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MaximumMember" xlink:to="srt_MaximumMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_MaximumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Maximum [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property, Plant and Equipment, Type </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Property Plant And Equipment By Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property, Plant and Equipment, Type </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Property Plant And Equipment Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BuildingMember" xlink:type="locator" xlink:label="us-gaap_BuildingMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_BuildingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Buildings [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BuildingMember" xlink:to="us-gaap_BuildingMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_BuildingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Building [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOtherTypesMember" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentOtherTypesMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentOtherTypesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Fixed Assets [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentOtherTypesMember" xlink:to="us-gaap_PropertyPlantAndEquipmentOtherTypesMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentOtherTypesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Property Plant And Equipment Other Types [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" xlink:type="locator" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> New Accounting Pronouncements Or Change In Accounting Principle [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" xlink:to="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> New Accounting Pronouncements Or Change In Accounting Principle [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PercentageOfComparableConsolidatedAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Percentage of comparable consolidated amounts </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PercentageOfComparableConsolidatedAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Percentage Of Comparable Consolidated Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome" xlink:type="locator" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Decrease in net income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome" xlink:to="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Net Income </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnDilutedEarningsPerShare" xlink:type="locator" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnDilutedEarningsPerShare"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnDilutedEarningsPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Decrease to diluted earnings per common share </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnDilutedEarningsPerShare" xlink:to="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnDilutedEarningsPerShare_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnDilutedEarningsPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Diluted Earnings Per Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Right-of-use assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseRightOfUseAsset" xlink:to="us-gaap_OperatingLeaseRightOfUseAsset_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease Right Of Use Asset </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiability"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiability" xlink:to="us-gaap_OperatingLeaseLiability_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease Liability </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Impact of adoption of ASU </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss" xlink:type="locator" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit allowance for held-to-maturity fixed income securities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss" xlink:to="us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities Held To Maturity Allowance For Credit Loss </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceRecoverablesAllowance" xlink:type="locator" xlink:label="us-gaap_ReinsuranceRecoverablesAllowance"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverablesAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit allowance for reinsurance recoverables </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceRecoverablesAllowance" xlink:to="us-gaap_ReinsuranceRecoverablesAllowance_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverablesAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance Recoverables Allowance </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_CashAndCashEquivalentMaturityPeriod" xlink:type="locator" xlink:label="amsf_CashAndCashEquivalentMaturityPeriod"/>
<link:label xml:lang="en-US" xlink:label="amsf_CashAndCashEquivalentMaturityPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cash and cash equivalent maturity period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_CashAndCashEquivalentMaturityPeriod" xlink:to="amsf_CashAndCashEquivalentMaturityPeriod_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_CashAndCashEquivalentMaturityPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Original maturity of cash equivalent </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_CashAndCashEquivalentMaturityPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Cash And Cash Equivalent Maturity Period </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ShortTermInvestmentsMaturityPeriod" xlink:type="locator" xlink:label="amsf_ShortTermInvestmentsMaturityPeriod"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShortTermInvestmentsMaturityPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Short term investments maturity period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ShortTermInvestmentsMaturityPeriod" xlink:to="amsf_ShortTermInvestmentsMaturityPeriod_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShortTermInvestmentsMaturityPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Short-term investments maturity period </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ShortTermInvestmentsMaturityPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Short Term Investments Maturity Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Estimated useful life of assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Property Plant And Equipment Useful Life </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_MinimumPeriodOfUnderwritingWorkersCompensationInsuranceFromWhichHistoricalLossDataUtilize" xlink:type="locator" xlink:label="amsf_MinimumPeriodOfUnderwritingWorkersCompensationInsuranceFromWhichHistoricalLossDataUtilize"/>
<link:label xml:lang="en-US" xlink:label="amsf_MinimumPeriodOfUnderwritingWorkersCompensationInsuranceFromWhichHistoricalLossDataUtilize_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Minimum period of underwriting workers compensation insurance from which historical loss data utilize. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_MinimumPeriodOfUnderwritingWorkersCompensationInsuranceFromWhichHistoricalLossDataUtilize" xlink:to="amsf_MinimumPeriodOfUnderwritingWorkersCompensationInsuranceFromWhichHistoricalLossDataUtilize_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_MinimumPeriodOfUnderwritingWorkersCompensationInsuranceFromWhichHistoricalLossDataUtilize_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Minimum period of underwriting workers’ compensation insurance from which historical loss data utilize </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_MinimumPeriodOfUnderwritingWorkersCompensationInsuranceFromWhichHistoricalLossDataUtilize_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Minimum Period Of Underwriting Workers Compensation Insurance From Which Historical Loss Data Utilize </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ExperienceRatedCommissionAdjustments" xlink:type="locator" xlink:label="amsf_ExperienceRatedCommissionAdjustments"/>
<link:label xml:lang="en-US" xlink:label="amsf_ExperienceRatedCommissionAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Increase\(Decrease) in underwriting and certain other operating costs as impacted by adjustments to the experience-rated commission in the year. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ExperienceRatedCommissionAdjustments" xlink:to="amsf_ExperienceRatedCommissionAdjustments_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ExperienceRatedCommissionAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Experience rated commission and other operating costs </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ExperienceRatedCommissionAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Experience Rated Commission Adjustments </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ReinsuranceCommutationReceiptAdjustment" xlink:type="locator" xlink:label="amsf_ReinsuranceCommutationReceiptAdjustment"/>
<link:label xml:lang="en-US" xlink:label="amsf_ReinsuranceCommutationReceiptAdjustment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Reinsurance commutation receipt adjustment. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ReinsuranceCommutationReceiptAdjustment" xlink:to="amsf_ReinsuranceCommutationReceiptAdjustment_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ReinsuranceCommutationReceiptAdjustment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commutation payment adjusted through offset against balance of funds withheld and recoverable from reinsurers accounts </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ReinsuranceCommutationReceiptAdjustment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance Commutation Receipt Adjustment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdvertisingExpense" xlink:type="locator" xlink:label="us-gaap_AdvertisingExpense"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdvertisingExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Advertising expense </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdvertisingExpense" xlink:to="us-gaap_AdvertisingExpense_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AdvertisingExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Advertising Expense </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_AssessmentsRelatedPremiumsPaymentPeriodMinimum" xlink:type="locator" xlink:label="amsf_AssessmentsRelatedPremiumsPaymentPeriodMinimum"/>
<link:label xml:lang="en-US" xlink:label="amsf_AssessmentsRelatedPremiumsPaymentPeriodMinimum_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Assessments Related Premiums Payment Period Minimum </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_AssessmentsRelatedPremiumsPaymentPeriodMinimum" xlink:to="amsf_AssessmentsRelatedPremiumsPaymentPeriodMinimum_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_AssessmentsRelatedLossesPaymentPeriodMinimum" xlink:type="locator" xlink:label="amsf_AssessmentsRelatedLossesPaymentPeriodMinimum"/>
<link:label xml:lang="en-US" xlink:label="amsf_AssessmentsRelatedLossesPaymentPeriodMinimum_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Assessments Related Losses Payment Period Minimum </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_AssessmentsRelatedLossesPaymentPeriodMinimum" xlink:to="amsf_AssessmentsRelatedLossesPaymentPeriodMinimum_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_AssessmentsRelatedPremiumsPaymentPeriodMinimum_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Assessment Related premium Payment period </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AssessmentsRelatedPremiumsPaymentPeriodMinimum_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Assessments Related Premiums Payment Period Minimum </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AssessmentsRelatedLossesPaymentPeriodMinimum_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Assessment Related loss Payment period </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AssessmentsRelatedLossesPaymentPeriodMinimum_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Assessments Related Losses Payment Period Minimum </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MarketableSecuritiesTable" xlink:type="locator" xlink:label="us-gaap_MarketableSecuritiesTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_MarketableSecuritiesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Marketable Securities [Table] </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_MarketableSecuritiesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Marketable Securities [Table] </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investment Type </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Investment Type [Axis] </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="us-gaap_InvestmentTypeCategorizationMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Investment Type Categorization [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:type="locator" xlink:label="us-gaap_CorporateDebtSecuritiesMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CorporateDebtSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Corporate Bonds [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CorporateDebtSecuritiesMember" xlink:to="us-gaap_CorporateDebtSecuritiesMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CorporateDebtSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Corporate Debt Securities [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USStatesAndPoliticalSubdivisionsMember" xlink:type="locator" xlink:label="us-gaap_USStatesAndPoliticalSubdivisionsMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_USStatesAndPoliticalSubdivisionsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> States and Political Subdivisions [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_USStatesAndPoliticalSubdivisionsMember" xlink:to="us-gaap_USStatesAndPoliticalSubdivisionsMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_USStatesAndPoliticalSubdivisionsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> U S States And Political Subdivisions [Member] </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_USTreasuryAndGovernmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> U.S. Treasury Securities and Obligations of U.S. Government Agencies [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_USTreasuryAndGovernmentMember" xlink:to="us-gaap_USTreasuryAndGovernmentMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_USTreasuryAndGovernmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> U S Treasury And Government [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MarketableSecuritiesLineItems" xlink:type="locator" xlink:label="us-gaap_MarketableSecuritiesLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_MarketableSecuritiesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Marketable Securities [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesLineItems" xlink:to="us-gaap_MarketableSecuritiesLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_MarketableSecuritiesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Marketable Securities [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortTermInvestments" xlink:type="locator" xlink:label="us-gaap_ShortTermInvestments"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Short-term investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermInvestments" xlink:to="us-gaap_ShortTermInvestments_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Short Term Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfHeldToMaturitySecuritiesTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfHeldToMaturitySecuritiesTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Held To Maturity Securities [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfHeldToMaturitySecuritiesTable" xlink:to="us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Held To Maturity Securities [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:type="locator" xlink:label="us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> U.S. Agency-Based Mortgage-Backed Securities [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:to="us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Mortgage Backed Securities Issued By U S Government Sponsored Enterprises [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:type="locator" xlink:label="us-gaap_AssetBackedSecuritiesMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AssetBackedSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Asset-Backed Securities [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetBackedSecuritiesMember" xlink:to="us-gaap_AssetBackedSecuritiesMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AssetBackedSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Asset Backed Securities [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems" xlink:type="locator" xlink:label="us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Held To Maturity Securities [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems" xlink:to="us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Held To Maturity Securities [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Held-to-maturity, Amortized Cost, Totals </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain" xlink:type="locator" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Held-to-Maturity, Gross Unrealized Gains </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain" xlink:to="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Held To Maturity Securities Accumulated Unrecognized Holding Gain </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss" xlink:type="locator" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Held-to-Maturity, Gross Unrealized Losses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss" xlink:to="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Held To Maturity Securities Accumulated Unrecognized Holding Loss </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel"> Held-to-Maturity, Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleTable" xlink:type="locator" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Debt Securities Available For Sale [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtSecuritiesAvailableForSaleTable" xlink:to="us-gaap_DebtSecuritiesAvailableForSaleTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Debt Securities Available For Sale [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:type="locator" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Available For Sale Securities [Line Items] </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Available For Sale Securities [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Available-for-sale, Amortized Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Available-for-sale, Gross Unrealized Gains </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Available-for-sale, Gross Unrealized Losses </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Available-for-sale, Fair Value </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Trading Securities And Other Trading Assets [Table] </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Trading Securities And Other Trading Assets [Table] </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Financial Instrument </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Financial Instrument [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="locator" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
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<link:loc xlink:href="amsf-20191231.xsd#amsf_DomesticCommonStockMember" xlink:type="locator" xlink:label="amsf_DomesticCommonStockMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_DomesticCommonStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Domestic common stock. </link:label>
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<link:label xml:lang="en-US" xlink:label="amsf_DomesticCommonStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Domestic Common Stock [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DomesticCommonStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Domestic Common Stock [Member] </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Trading Securities And Other Trading Assets [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems" xlink:to="us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Trading Securities And Other Trading Assets [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesFvNiCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Equity securities, Cost </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_EquitySecuritiesFvNiGrossUnrealizedGain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity securities, Gross Unrealized Gains </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_EquitySecuritiesFvNiGrossUnrealizedGain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Securities Fv Ni Gross Unrealized Gain </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_EquitySecuritiesFvNiGrossUnrealizedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Equity securities, Gross Unrealized Losses </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_EquitySecuritiesFvNiGrossUnrealizedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Securities Fv Ni Gross Unrealized Loss </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Equity securities, Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost" xlink:type="locator" xlink:label="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Within one year, Amortized Cost </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost" xlink:to="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Heldtomaturity Securities Debt Maturities Next Rolling Twelve Months Amortized Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost" xlink:type="locator" xlink:label="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> After one year through five years, Amortized Cost </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost" xlink:to="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Heldtomaturity Securities Debt Maturities Rolling Year Two Through Five Amortized Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost" xlink:type="locator" xlink:label="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> After five years through ten years, Amortized Cost </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost" xlink:to="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Heldtomaturity Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost" xlink:type="locator" xlink:label="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> After ten years, Amortized Cost </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost" xlink:to="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Heldtomaturity Securities Debt Maturities Rolling After Ten Years Amortized Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount" xlink:type="locator" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Without single maturity, Amortized Cost </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount" xlink:to="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue" xlink:type="locator" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Within one year, Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue" xlink:to="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue" xlink:type="locator" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> After one year through five years, Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue" xlink:to="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue" xlink:type="locator" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> After five years through ten years, Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue" xlink:to="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue" xlink:type="locator" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> After ten years, Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue" xlink:to="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue" xlink:type="locator" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Without single maturity, Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue" xlink:to="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Held-to-maturity, Fair Value, Totals </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Within one year, Amortized Cost </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> After one year through five years, Amortized Cost </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> After five years through ten years, Amortized Cost </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> After ten years, Amortized Cost </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Without single maturity date, Amortized Cost </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Within one year, Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> After one year through five years, Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> After five years through ten years, Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> After ten years, Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Without single maturity date, Fair value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Available-for-sale, Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsHeldByInsuranceRegulators" xlink:type="locator" xlink:label="us-gaap_AssetsHeldByInsuranceRegulators"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AssetsHeldByInsuranceRegulators_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investments on deposit with regulatory agencies </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsHeldByInsuranceRegulators" xlink:to="us-gaap_AssetsHeldByInsuranceRegulators_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AssetsHeldByInsuranceRegulators_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Assets Held By Insurance Regulators </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_FixedMaturitySecuritiesAvailableForSaleMember" xlink:type="locator" xlink:label="amsf_FixedMaturitySecuritiesAvailableForSaleMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_FixedMaturitySecuritiesAvailableForSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Fixed Maturity Securities Available For Sale [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_FixedMaturitySecuritiesAvailableForSaleMember" xlink:to="amsf_FixedMaturitySecuritiesAvailableForSaleMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_FixedMaturitySecuritiesAvailableForSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fixed Maturity Securities Available for Sale [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FixedMaturitySecuritiesAvailableForSaleMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fixed Maturity Securities Available For Sale [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:type="locator" xlink:label="us-gaap_EquitySecuritiesMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Equity Securities [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesMember" xlink:to="us-gaap_EquitySecuritiesMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Equity Securities [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_Other1Member" xlink:type="locator" xlink:label="amsf_Other1Member"/>
<link:label xml:lang="en-US" xlink:label="amsf_Other1Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Other 1 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_Other1Member" xlink:to="amsf_Other1Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_Other1Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_Other1Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other1 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:type="locator" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from sales </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:to="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds From Sale And Maturity Of Marketable Securities </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_MarketableSecuritiesGrossRealizedGain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gross realized investment gains </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_MarketableSecuritiesGrossRealizedGain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Marketable Securities Gross Realized Gain </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_MarketableSecuritiesGrossRealizedLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Gross realized investment (losses) </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_MarketableSecuritiesGrossRealizedLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Marketable Securities Gross Realized Losses </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_MarketableSecuritiesGrossRealizedGainLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net realized investment gains (losses) </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_MarketableSecuritiesGrossRealizedGainLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Marketable Securities Gross Realized Gain Loss </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OtherGainLossIncludingGainsLossesOnCallsAndRedemptions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other, including gains (losses) on calls and redemptions </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OtherGainLossIncludingGainsLossesOnCallsAndRedemptions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Gain Loss Including Gains Losses On Calls And Redemptions </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net realized gains (losses) on investments </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_GrossInvestmentIncome" xlink:type="locator" xlink:label="amsf_GrossInvestmentIncome"/>
<link:label xml:lang="en-US" xlink:label="amsf_GrossInvestmentIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Amount, before investment expense, of income earned from investments in securities, real estate, and alternate investments. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_GrossInvestmentIncome" xlink:to="amsf_GrossInvestmentIncome_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Investment Income Reported Amounts By Category [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable" xlink:to="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Investment Income Reported Amounts By Category [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortTermInvestmentsMember" xlink:type="locator" xlink:label="us-gaap_ShortTermInvestmentsMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermInvestmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Short-term Investments [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermInvestmentsMember" xlink:to="us-gaap_ShortTermInvestmentsMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermInvestmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Short Term Investments [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherInvestmentsMember" xlink:type="locator" xlink:label="us-gaap_OtherInvestmentsMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherInvestmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Investments [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherInvestmentsMember" xlink:to="us-gaap_OtherInvestmentsMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherInvestmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Investments [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems" xlink:type="locator" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Investment Income Reported Amounts By Category [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems" xlink:to="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Investment Income Reported Amounts By Category [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_GrossInvestmentIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total gross investment income </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_GrossInvestmentIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Gross Investment Income </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentIncomeInvestmentExpense" xlink:type="locator" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Investment expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeInvestmentExpense" xlink:to="us-gaap_InvestmentIncomeInvestmentExpense_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Investment Income Investment Expense </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetInvestmentIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net investment income </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_SecuritiesContinuousUnrealizedLossPositionAggregateLosses" xlink:type="locator" xlink:label="amsf_SecuritiesContinuousUnrealizedLossPositionAggregateLosses"/>
<link:label xml:lang="en-US" xlink:label="amsf_SecuritiesContinuousUnrealizedLossPositionAggregateLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Securities continuous unrealized loss position aggregate losses. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_SecuritiesContinuousUnrealizedLossPositionAggregateLosses" xlink:to="amsf_SecuritiesContinuousUnrealizedLossPositionAggregateLosses_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLosses" xlink:type="locator" xlink:label="amsf_ContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLosses"/>
<link:label xml:lang="en-US" xlink:label="amsf_ContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Continuous unrealized loss position less than twelve months aggregate losses. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLosses" xlink:to="amsf_ContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLosses_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ContinuousUnrealizedLossPositionGreaterThanTwelveMonthsAggregateLosses" xlink:type="locator" xlink:label="amsf_ContinuousUnrealizedLossPositionGreaterThanTwelveMonthsAggregateLosses"/>
<link:label xml:lang="en-US" xlink:label="amsf_ContinuousUnrealizedLossPositionGreaterThanTwelveMonthsAggregateLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Continuous unrealized loss position greater than twelve months aggregate losses. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ContinuousUnrealizedLossPositionGreaterThanTwelveMonthsAggregateLosses" xlink:to="amsf_ContinuousUnrealizedLossPositionGreaterThanTwelveMonthsAggregateLosses_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_SecuritiesContinuousUnrealizedLossPositionFairValue" xlink:type="locator" xlink:label="amsf_SecuritiesContinuousUnrealizedLossPositionFairValue"/>
<link:label xml:lang="en-US" xlink:label="amsf_SecuritiesContinuousUnrealizedLossPositionFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Securities continuous unrealized loss position fair value. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_SecuritiesContinuousUnrealizedLossPositionFairValue" xlink:to="amsf_SecuritiesContinuousUnrealizedLossPositionFairValue_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:type="locator" xlink:label="amsf_ContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue"/>
<link:label xml:lang="en-US" xlink:label="amsf_ContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Continuous unrealized loss position less than twelve months fair value. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:to="amsf_ContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ContinuousUnrealizedLossPositionGreaterThanTwelveMonthsFairValue" xlink:type="locator" xlink:label="amsf_ContinuousUnrealizedLossPositionGreaterThanTwelveMonthsFairValue"/>
<link:label xml:lang="en-US" xlink:label="amsf_ContinuousUnrealizedLossPositionGreaterThanTwelveMonthsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Continuous unrealized loss position greater than twelve months fair value. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ContinuousUnrealizedLossPositionGreaterThanTwelveMonthsFairValue" xlink:to="amsf_ContinuousUnrealizedLossPositionGreaterThanTwelveMonthsFairValue_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_EquitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss" xlink:type="locator" xlink:label="amsf_EquitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss"/>
<link:label xml:lang="en-US" xlink:label="amsf_EquitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Equity securities continuous unrealized loss position accumulated loss. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_EquitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss" xlink:to="amsf_EquitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_EquitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAccumulatedLoss" xlink:type="locator" xlink:label="amsf_EquitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAccumulatedLoss"/>
<link:label xml:lang="en-US" xlink:label="amsf_EquitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAccumulatedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Equity securities continuous unrealized loss position less than twelve months accumulated loss. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_EquitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAccumulatedLoss" xlink:to="amsf_EquitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAccumulatedLoss_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_EquitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss" xlink:type="locator" xlink:label="amsf_EquitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
<link:label xml:lang="en-US" xlink:label="amsf_EquitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Equity securities continuous unrealized loss position12 months or longer accumulated loss. </link:label>
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<link:label xml:lang="en-US" xlink:label="amsf_NumberOfIndividualInvestmentSecuritiesInUnrealizedLossPositionGreaterThanTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Number of individual investment securities in unrealized loss position greater than twelve months. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_NumberOfIndividualInvestmentSecuritiesInUnrealizedLossPositionGreaterThanTwelveMonths" xlink:to="amsf_NumberOfIndividualInvestmentSecuritiesInUnrealizedLossPositionGreaterThanTwelveMonths_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_NumberOfIndividualFixedMaturitySecuritiesInUnrealizedLossPosition_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Individual fixed maturity held in unrealized loss position </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_NumberOfIndividualFixedMaturitySecuritiesInUnrealizedLossPosition_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Number Of Individual Fixed Maturity Securities In Unrealized Loss Position </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_NumberOfIndividualInvestmentSecuritiesInUnrealizedLossPositionGreaterThanTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Individual fixed maturity held in unrealized loss position longer than 12 months </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_NumberOfIndividualInvestmentSecuritiesInUnrealizedLossPositionGreaterThanTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Number Of Individual Investment Securities In Unrealized Loss Position Greater Than Twelve Months </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ImpairmentOfInvestments" xlink:type="locator" xlink:label="us-gaap_ImpairmentOfInvestments"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ImpairmentOfInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Impairment losses recognized </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImpairmentOfInvestments" xlink:to="us-gaap_ImpairmentOfInvestments_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ImpairmentOfInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Impairment Of Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsReceivableNetAbstract" xlink:type="locator" xlink:label="us-gaap_PremiumsReceivableNetAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableNetAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Premiums Receivable, Net [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsReceivableNetAbstract" xlink:to="us-gaap_PremiumsReceivableNetAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableNetAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Receivable Net [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsReceivableGross" xlink:type="locator" xlink:label="us-gaap_PremiumsReceivableGross"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Premiums receivable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsReceivableGross" xlink:to="us-gaap_PremiumsReceivableGross_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Receivable Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts" xlink:type="locator" xlink:label="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Allowance for doubtful accounts </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts" xlink:to="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Receivable Allowance For Doubtful Accounts </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableAtCarryingValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Premiums receivable, net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsReceivableAllowanceForDoubtfulAccountsRollForward" xlink:type="locator" xlink:label="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccountsRollForward"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccountsRollForward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Premiums Receivable, Allowance for Doubtful Accounts [Roll Forward] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccountsRollForward" xlink:to="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccountsRollForward_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccountsRollForward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Receivable Allowance For Doubtful Accounts Roll Forward </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Balance, beginning of year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumReceivableCreditLossExpenseReversal" xlink:type="locator" xlink:label="us-gaap_PremiumReceivableCreditLossExpenseReversal"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumReceivableCreditLossExpenseReversal_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Provision for bad debts </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumReceivableCreditLossExpenseReversal" xlink:to="us-gaap_PremiumReceivableCreditLossExpenseReversal_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumReceivableCreditLossExpenseReversal_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premium Receivable Credit Loss Expense Reversal </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance" xlink:type="locator" xlink:label="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Write-offs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance" xlink:to="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsReceivableAllowanceForDoubtfulAccounts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Balance, end of year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnbilledContractsReceivable" xlink:type="locator" xlink:label="us-gaap_UnbilledContractsReceivable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_UnbilledContractsReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Earned but Unbilled </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnbilledContractsReceivable" xlink:to="us-gaap_UnbilledContractsReceivable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_UnbilledContractsReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Unbilled Contracts Receivable </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_DeferredPolicyAcquisitionCostsAgentsCommissions" xlink:type="locator" xlink:label="amsf_DeferredPolicyAcquisitionCostsAgentsCommissions"/>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredPolicyAcquisitionCostsAgentsCommissions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred policy acquisition costs, agents commissions. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_DeferredPolicyAcquisitionCostsAgentsCommissions" xlink:to="amsf_DeferredPolicyAcquisitionCostsAgentsCommissions_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_DeferredPolicyAcquisitionCostsPremiumTaxes" xlink:type="locator" xlink:label="amsf_DeferredPolicyAcquisitionCostsPremiumTaxes"/>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredPolicyAcquisitionCostsPremiumTaxes_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred policy acquisition costs, premium taxes. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_DeferredPolicyAcquisitionCostsPremiumTaxes" xlink:to="amsf_DeferredPolicyAcquisitionCostsPremiumTaxes_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_DeferredPolicyAcquisitionCostsDeferredUnderwritingExpenses" xlink:type="locator" xlink:label="amsf_DeferredPolicyAcquisitionCostsDeferredUnderwritingExpenses"/>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredPolicyAcquisitionCostsDeferredUnderwritingExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred policy acquisition costs, deferred underwriting expenses. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_DeferredPolicyAcquisitionCostsDeferredUnderwritingExpenses" xlink:to="amsf_DeferredPolicyAcquisitionCostsDeferredUnderwritingExpenses_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredChargesInsurersAbstract" xlink:type="locator" xlink:label="us-gaap_DeferredChargesInsurersAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredChargesInsurersAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Charges Insurers [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredChargesInsurersAbstract" xlink:to="us-gaap_DeferredChargesInsurersAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredPolicyAcquisitionCostsAgentsCommissions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Agents’ commissions </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredPolicyAcquisitionCostsAgentsCommissions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Policy Acquisition Costs Agents Commissions </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredPolicyAcquisitionCostsPremiumTaxes_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Premium taxes </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredPolicyAcquisitionCostsPremiumTaxes_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Policy Acquisition Costs Premium Taxes </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredPolicyAcquisitionCostsDeferredUnderwritingExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred underwriting expenses </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredPolicyAcquisitionCostsDeferredUnderwritingExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Policy Acquisition Costs Deferred Underwriting Expenses </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredPolicyAcquisitionCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total deferred policy acquisition costs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MovementAnalysisOfDeferredPolicyAcquisitionCostsRollForward" xlink:type="locator" xlink:label="us-gaap_MovementAnalysisOfDeferredPolicyAcquisitionCostsRollForward"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_MovementAnalysisOfDeferredPolicyAcquisitionCostsRollForward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MovementAnalysisOfDeferredPolicyAcquisitionCostsRollForward" xlink:to="us-gaap_MovementAnalysisOfDeferredPolicyAcquisitionCostsRollForward_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_MovementAnalysisOfDeferredPolicyAcquisitionCostsRollForward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Movement Analysis Of Deferred Policy Acquisition Costs Roll Forward </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredPolicyAcquisitionCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Balance, beginning of year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredPolicyAcquisitionCostsAdditions" xlink:type="locator" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsAdditions"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsAdditions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Policy acquisition costs deferred </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredPolicyAcquisitionCostsAdditions" xlink:to="us-gaap_DeferredPolicyAcquisitionCostsAdditions_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsAdditions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Policy Acquisition Costs Additions </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense" xlink:type="locator" xlink:label="us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Amortization expense during the year </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense" xlink:to="us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Policy Acquisition Cost Amortization Expense </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredPolicyAcquisitionCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Balance, end of year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Property Plant And Equipment Net [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Property Plant And Equipment [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Property Plant And Equipment [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LandAndBuildingMember" xlink:type="locator" xlink:label="us-gaap_LandAndBuildingMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LandAndBuildingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Land and Office Building [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LandAndBuildingMember" xlink:to="us-gaap_LandAndBuildingMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LandAndBuildingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Land And Building [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:type="locator" xlink:label="us-gaap_FurnitureAndFixturesMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Furniture and Equipment [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FurnitureAndFixturesMember" xlink:to="us-gaap_FurnitureAndFixturesMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Furniture And Fixtures [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:type="locator" xlink:label="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Software [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:to="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Software And Software Development Costs [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AutomobilesMember" xlink:type="locator" xlink:label="us-gaap_AutomobilesMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AutomobilesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Automobiles [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AutomobilesMember" xlink:to="us-gaap_AutomobilesMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AutomobilesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Automobiles [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_FinanceLeaseRightOfUseAssetsMember" xlink:type="locator" xlink:label="amsf_FinanceLeaseRightOfUseAssetsMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeaseRightOfUseAssetsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Finance lease right-of-use assets. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_FinanceLeaseRightOfUseAssetsMember" xlink:to="amsf_FinanceLeaseRightOfUseAssetsMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeaseRightOfUseAssetsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance Lease Right-of-use Assets [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeaseRightOfUseAssetsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Right Of Use Assets [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property, Plant and Equipment [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Property Plant And Equipment [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentGross"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and equipment, Gross </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Property Plant And Equipment Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:type="locator" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Accumulated depreciation and amortization </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Depreciation Depletion And Amortization Property Plant And Equipment </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Property and equipment, net </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_FinanceLeasesAccumulatedDepreciationAndAmortization" xlink:type="locator" xlink:label="amsf_FinanceLeasesAccumulatedDepreciationAndAmortization"/>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeasesAccumulatedDepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Finance leases, accumulated depreciation and amortization. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_FinanceLeasesAccumulatedDepreciationAndAmortization" xlink:to="amsf_FinanceLeasesAccumulatedDepreciationAndAmortization_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalLeasedAssetsGross" xlink:type="locator" xlink:label="us-gaap_CapitalLeasedAssetsGross"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CapitalLeasedAssetsGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Property and equipment held under capital lease </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasedAssetsGross" xlink:to="us-gaap_CapitalLeasedAssetsGross_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CapitalLeasedAssetsGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Capital Leased Assets Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation" xlink:type="locator" xlink:label="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated depreciation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation" xlink:to="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeasesAccumulatedDepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance leases, accumulated depreciation and amortization </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeasesAccumulatedDepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Leases Accumulated Depreciation And Amortization </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_PremiumsEarnedGross" xlink:type="locator" xlink:label="amsf_PremiumsEarnedGross"/>
<link:label xml:lang="en-US" xlink:label="amsf_PremiumsEarnedGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Amount, before premiums ceded to other entities of premiums earned. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_PremiumsEarnedGross" xlink:to="amsf_PremiumsEarnedGross_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsWrittenAndEarnedAbstract" xlink:type="locator" xlink:label="us-gaap_PremiumsWrittenAndEarnedAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsWrittenAndEarnedAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Premiums Written and Earned [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsWrittenAndEarnedAbstract" xlink:to="us-gaap_PremiumsWrittenAndEarnedAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsWrittenAndEarnedAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Written And Earned [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsWrittenGross" xlink:type="locator" xlink:label="us-gaap_PremiumsWrittenGross"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsWrittenGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gross Written </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsWrittenGross" xlink:to="us-gaap_PremiumsWrittenGross_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsWrittenGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Written Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CededPremiumsWritten" xlink:type="locator" xlink:label="us-gaap_CededPremiumsWritten"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CededPremiumsWritten_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Ceded Written </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CededPremiumsWritten" xlink:to="us-gaap_CededPremiumsWritten_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CededPremiumsWritten_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Ceded Premiums Written </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsWrittenNet" xlink:type="locator" xlink:label="us-gaap_PremiumsWrittenNet"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsWrittenNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net premiums Written </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsWrittenNet" xlink:to="us-gaap_PremiumsWrittenNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsWrittenNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Written Net </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PremiumsEarnedGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Gross Earned </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PremiumsEarnedGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Earned Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CededPremiumsEarned" xlink:type="locator" xlink:label="us-gaap_CededPremiumsEarned"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CededPremiumsEarned_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Ceded Earned </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CededPremiumsEarned" xlink:to="us-gaap_CededPremiumsEarned_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CededPremiumsEarned_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Ceded Premiums Earned </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_PremiumsEarnedNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net premiums Earned </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceRecoverablesOnPaidAndUnpaidLossesAbstract" xlink:type="locator" xlink:label="us-gaap_ReinsuranceRecoverablesOnPaidAndUnpaidLossesAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverablesOnPaidAndUnpaidLossesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unpaid losses recoverable: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceRecoverablesOnPaidAndUnpaidLossesAbstract" xlink:to="us-gaap_ReinsuranceRecoverablesOnPaidAndUnpaidLossesAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverablesOnPaidAndUnpaidLossesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance Recoverables On Paid And Unpaid Losses [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceReceivablesCaseBasis" xlink:type="locator" xlink:label="us-gaap_ReinsuranceReceivablesCaseBasis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceReceivablesCaseBasis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Case basis </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceReceivablesCaseBasis" xlink:to="us-gaap_ReinsuranceReceivablesCaseBasis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceReceivablesCaseBasis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance Receivables Case Basis </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceReceivablesIncurredButNotReportedClaims" xlink:type="locator" xlink:label="us-gaap_ReinsuranceReceivablesIncurredButNotReportedClaims"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceReceivablesIncurredButNotReportedClaims_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Incurred but not reported </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceReceivablesIncurredButNotReportedClaims" xlink:to="us-gaap_ReinsuranceReceivablesIncurredButNotReportedClaims_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceReceivablesIncurredButNotReportedClaims_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance Receivables Incurred But Not Reported Claims </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceRecoverablesOnPaidLosses" xlink:type="locator" xlink:label="us-gaap_ReinsuranceRecoverablesOnPaidLosses"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverablesOnPaidLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Paid losses recoverable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceRecoverablesOnPaidLosses" xlink:to="us-gaap_ReinsuranceRecoverablesOnPaidLosses_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverablesOnPaidLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance Recoverables On Paid Losses </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FundsHeldUnderReinsuranceAgreementsAsset" xlink:type="locator" xlink:label="us-gaap_FundsHeldUnderReinsuranceAgreementsAsset"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FundsHeldUnderReinsuranceAgreementsAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Experience-rated commissions recoverable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FundsHeldUnderReinsuranceAgreementsAsset" xlink:to="us-gaap_FundsHeldUnderReinsuranceAgreementsAsset_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FundsHeldUnderReinsuranceAgreementsAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Funds Held Under Reinsurance Agreements Asset </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverables_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total reinsurance recoverables </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_PaidLossRecoverablePastDuePeriod" xlink:type="locator" xlink:label="amsf_PaidLossRecoverablePastDuePeriod"/>
<link:label xml:lang="en-US" xlink:label="amsf_PaidLossRecoverablePastDuePeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Paid Loss Recoverable Past Due Period </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_PaidLossRecoverablePastDuePeriod" xlink:to="amsf_PaidLossRecoverablePastDuePeriod_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_PaidLossRecoverablePastDue" xlink:type="locator" xlink:label="amsf_PaidLossRecoverablePastDue"/>
<link:label xml:lang="en-US" xlink:label="amsf_PaidLossRecoverablePastDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Amount after valuation allowance currently billed or billable under reinsurance contracts which are more than 90 days and considered to be past due. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_PaidLossRecoverablePastDue" xlink:to="amsf_PaidLossRecoverablePastDue_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_PaidLossRecoverablePastDuePeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Paid losses recoverable outstanding due date </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PaidLossRecoverablePastDuePeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Paid Loss Recoverable Past Due Period </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PaidLossRecoverablePastDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Paid losses recoverable past due </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PaidLossRecoverablePastDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Paid Loss Recoverable Past Due </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ProceedsFromReinsuranceRecoveries" xlink:type="locator" xlink:label="amsf_ProceedsFromReinsuranceRecoveries"/>
<link:label xml:lang="en-US" xlink:label="amsf_ProceedsFromReinsuranceRecoveries_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Proceeds From Reinsurance Recoveries </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ProceedsFromReinsuranceRecoveries" xlink:to="amsf_ProceedsFromReinsuranceRecoveries_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ProceedsFromReinsuranceRecoveries_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Received reinsurance recoveries </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ProceedsFromReinsuranceRecoveries_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds From Reinsurance Recoveries </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_PercentageLimitForReportingUnsecuredReinsuranceRecoverables" xlink:type="locator" xlink:label="amsf_PercentageLimitForReportingUnsecuredReinsuranceRecoverables"/>
<link:label xml:lang="en-US" xlink:label="amsf_PercentageLimitForReportingUnsecuredReinsuranceRecoverables_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Threshold For Reporting Unsecured Reinsurance Recoverables. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_PercentageLimitForReportingUnsecuredReinsuranceRecoverables" xlink:to="amsf_PercentageLimitForReportingUnsecuredReinsuranceRecoverables_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_PercentageLimitForReportingUnsecuredReinsuranceRecoverables_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unsecured reinsurance recoverable by reinsurer reporting threshold </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PercentageLimitForReportingUnsecuredReinsuranceRecoverables_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Percentage Limit For Reporting Unsecured Reinsurance Recoverables </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_FundsHeldAndLettersOfCredit" xlink:type="locator" xlink:label="amsf_FundsHeldAndLettersOfCredit"/>
<link:label xml:lang="en-US" xlink:label="amsf_FundsHeldAndLettersOfCredit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Letters of credit from the reinsurer and Amount of the reinsurer's funds held on its behalf by the ceding insurer, including funds held in trust, under reinsurance treaties or contracts with the assuming insurer as security for the payment of the obligations there under. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_FundsHeldAndLettersOfCredit" xlink:to="amsf_FundsHeldAndLettersOfCredit_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_UnsecuredAmountsRecoverablesFromReinsuranceNet" xlink:type="locator" xlink:label="amsf_UnsecuredAmountsRecoverablesFromReinsuranceNet"/>
<link:label xml:lang="en-US" xlink:label="amsf_UnsecuredAmountsRecoverablesFromReinsuranceNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Unsecured amounts recoverables from reinsurance net. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_UnsecuredAmountsRecoverablesFromReinsuranceNet" xlink:to="amsf_UnsecuredAmountsRecoverablesFromReinsuranceNet_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CededCreditRiskTable" xlink:type="locator" xlink:label="us-gaap_CededCreditRiskTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CededCreditRiskTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Ceded Credit Risk [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CededCreditRiskTable" xlink:to="us-gaap_CededCreditRiskTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CededCreditRiskTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Ceded Credit Risk [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Concentration Risk Benchmark </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Concentration Risk By Benchmark [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Concentration Risk Benchmark </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="us-gaap_ConcentrationRiskBenchmarkDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Concentration Risk Benchmark [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceRecoverableMember" xlink:type="locator" xlink:label="us-gaap_ReinsuranceRecoverableMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverableMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reinsurance Recoverable [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceRecoverableMember" xlink:to="us-gaap_ReinsuranceRecoverableMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverableMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance Recoverable [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskByTypeAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Concentration Risk Type </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskByTypeAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Concentration Risk By Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskTypeDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Concentration Risk Type </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskTypeDomain" xlink:to="us-gaap_ConcentrationRiskTypeDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Concentration Risk Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsurerConcentrationRiskMember" xlink:type="locator" xlink:label="us-gaap_ReinsurerConcentrationRiskMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsurerConcentrationRiskMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reinsurer Concentration Risk </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsurerConcentrationRiskMember" xlink:to="us-gaap_ReinsurerConcentrationRiskMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsurerConcentrationRiskMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurer Concentration Risk [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CededCreditRiskAxis" xlink:type="locator" xlink:label="us-gaap_CededCreditRiskAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CededCreditRiskAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Ceded Credit Risk, Reinsurer </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CededCreditRiskAxis" xlink:to="us-gaap_CededCreditRiskAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CededCreditRiskAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Ceded Credit Risk [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CededCreditRiskReinsurerDomain" xlink:type="locator" xlink:label="us-gaap_CededCreditRiskReinsurerDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CededCreditRiskReinsurerDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Ceded Credit Risk, Reinsurer </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CededCreditRiskReinsurerDomain" xlink:to="us-gaap_CededCreditRiskReinsurerDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CededCreditRiskReinsurerDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Ceded Credit Risk Reinsurer [Domain] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_HannoverReinsuranceIrelandLimitedMember" xlink:type="locator" xlink:label="amsf_HannoverReinsuranceIrelandLimitedMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_HannoverReinsuranceIrelandLimitedMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Hannover Reinsurance Ireland Limited. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_HannoverReinsuranceIrelandLimitedMember" xlink:to="amsf_HannoverReinsuranceIrelandLimitedMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_HannoverReinsuranceIrelandLimitedMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Hannover Reinsurance (Ireland) Limited [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_HannoverReinsuranceIrelandLimitedMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Hannover Reinsurance Ireland Limited [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_AllianzRiskTransferAGBermudaMember" xlink:type="locator" xlink:label="amsf_AllianzRiskTransferAGBermudaMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_AllianzRiskTransferAGBermudaMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Allianz Risk Transfer AG (Bermuda). </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_AllianzRiskTransferAGBermudaMember" xlink:to="amsf_AllianzRiskTransferAGBermudaMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_AllianzRiskTransferAGBermudaMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Allianz Risk Transfer AG (Bermuda) [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AllianzRiskTransferAGBermudaMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Allianz Risk Transfer A G Bermuda [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_OdysseyAmericaReinsuranceCorporationMember" xlink:type="locator" xlink:label="amsf_OdysseyAmericaReinsuranceCorporationMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_OdysseyAmericaReinsuranceCorporationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Odyssey America Reinsurance Corporation. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_OdysseyAmericaReinsuranceCorporationMember" xlink:to="amsf_OdysseyAmericaReinsuranceCorporationMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_OdysseyAmericaReinsuranceCorporationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Odyssey America Reinsurance Corporation [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OdysseyAmericaReinsuranceCorporationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Odyssey America Reinsurance Corporation [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_MinnesotaWorkersCompensationReinsuranceAssociationMember" xlink:type="locator" xlink:label="amsf_MinnesotaWorkersCompensationReinsuranceAssociationMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_MinnesotaWorkersCompensationReinsuranceAssociationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Minnesota Workers Compensation Reinsurance Association. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_MinnesotaWorkersCompensationReinsuranceAssociationMember" xlink:to="amsf_MinnesotaWorkersCompensationReinsuranceAssociationMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_MinnesotaWorkersCompensationReinsuranceAssociationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Minnesota Workers' Compensation Reinsurance Association [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_MinnesotaWorkersCompensationReinsuranceAssociationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Minnesota Workers Compensation Reinsurance Association [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_OtherReinsurersMember" xlink:type="locator" xlink:label="amsf_OtherReinsurersMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_OtherReinsurersMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Other reinsurers. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_OtherReinsurersMember" xlink:to="amsf_OtherReinsurersMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_OtherReinsurersMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other Reinsurers [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OtherReinsurersMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Reinsurers [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CreditRatingAMBestAxis" xlink:type="locator" xlink:label="srt_CreditRatingAMBestAxis"/>
<link:label xml:lang="en-US" xlink:label="srt_CreditRatingAMBestAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit Rating, AM Best </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CreditRatingAMBestAxis" xlink:to="srt_CreditRatingAMBestAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_CreditRatingAMBestAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Credit Rating A M Best [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CreditRatingAMBestDomain" xlink:type="locator" xlink:label="srt_CreditRatingAMBestDomain"/>
<link:label xml:lang="en-US" xlink:label="srt_CreditRatingAMBestDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit Rating, AM Best </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CreditRatingAMBestDomain" xlink:to="srt_CreditRatingAMBestDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_CreditRatingAMBestDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Credit Rating A M Best [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_AMBestAPlusRatingMember" xlink:type="locator" xlink:label="srt_AMBestAPlusRatingMember"/>
<link:label xml:lang="en-US" xlink:label="srt_AMBestAPlusRatingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> A.M. Best Rating, A+ [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_AMBestAPlusRatingMember" xlink:to="srt_AMBestAPlusRatingMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_AMBestAPlusRatingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> A M Best A Plus Rating [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_AMBestARatingMember" xlink:type="locator" xlink:label="srt_AMBestARatingMember"/>
<link:label xml:lang="en-US" xlink:label="srt_AMBestARatingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> A.M. Best Rating, A [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_AMBestARatingMember" xlink:to="srt_AMBestARatingMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_AMBestARatingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> A M Best A Rating [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CededCreditRiskLineItems" xlink:type="locator" xlink:label="us-gaap_CededCreditRiskLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CededCreditRiskLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Ceded Credit Risk [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CededCreditRiskLineItems" xlink:to="us-gaap_CededCreditRiskLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CededCreditRiskLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Ceded Credit Risk [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FundsHeldAndLettersOfCredit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Funds withheld and letters of credit related to the above recoverables </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FundsHeldAndLettersOfCredit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Funds Held And Letters Of Credit </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_UnsecuredAmountsRecoverablesFromReinsuranceNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total unsecured amounts recoverable from reinsurers </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_UnsecuredAmountsRecoverablesFromReinsuranceNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Unsecured Amounts Recoverables From Reinsurance Net </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_DeferredTaxAssetsUnrealizedLossesOnSecurities" xlink:type="locator" xlink:label="amsf_DeferredTaxAssetsUnrealizedLossesOnSecurities"/>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxAssetsUnrealizedLossesOnSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred tax assets unrealized losses on securities. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_DeferredTaxAssetsUnrealizedLossesOnSecurities" xlink:to="amsf_DeferredTaxAssetsUnrealizedLossesOnSecurities_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_DeferredTaxLiabilitiesCallableBondAmortization" xlink:type="locator" xlink:label="amsf_DeferredTaxLiabilitiesCallableBondAmortization"/>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesCallableBondAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred tax liabilities callable bond amortization. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_DeferredTaxLiabilitiesCallableBondAmortization" xlink:to="amsf_DeferredTaxLiabilitiesCallableBondAmortization_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_DeferredTaxLiabilitiesUnrealizedGainLossesOnSecurities" xlink:type="locator" xlink:label="amsf_DeferredTaxLiabilitiesUnrealizedGainLossesOnSecurities"/>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesUnrealizedGainLossesOnSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred Tax Liabilities Unrealized Gain Losses On Securities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_DeferredTaxLiabilitiesUnrealizedGainLossesOnSecurities" xlink:to="amsf_DeferredTaxLiabilitiesUnrealizedGainLossesOnSecurities_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAssetsLiabilitiesAndOther" xlink:type="locator" xlink:label="amsf_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAssetsLiabilitiesAndOther"/>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAssetsLiabilitiesAndOther_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred tax liabilities, property, plant and equipment (assets) liabilities and other. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAssetsLiabilitiesAndOther" xlink:to="amsf_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAssetsLiabilitiesAndOther_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_DeferredTaxLiabilitiesSalvageAndSubrogation" xlink:type="locator" xlink:label="amsf_DeferredTaxLiabilitiesSalvageAndSubrogation"/>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesSalvageAndSubrogation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred Tax Liabilities Salvage And Subrogation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_DeferredTaxLiabilitiesSalvageAndSubrogation" xlink:to="amsf_DeferredTaxLiabilitiesSalvageAndSubrogation_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_DeferredTaxLiabilitiesLossReservesAdjustmentDueToTaxAct" xlink:type="locator" xlink:label="amsf_DeferredTaxLiabilitiesLossReservesAdjustmentDueToTaxAct"/>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesLossReservesAdjustmentDueToTaxAct_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Deferred tax liabilities loss reserves adjustment due to tax act. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_DeferredTaxLiabilitiesLossReservesAdjustmentDueToTaxAct" xlink:to="amsf_DeferredTaxLiabilitiesLossReservesAdjustmentDueToTaxAct_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:type="locator" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred income tax assets: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Components Of Deferred Tax Assets [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Discounting of net unpaid loss and loss adjustment expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unearned premiums </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Unearned Premiums Reserve </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued expenses and other </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsStateTaxes" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsStateTaxes"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsStateTaxes_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State income tax </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsStateTaxes" xlink:to="us-gaap_DeferredTaxAssetsStateTaxes_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsStateTaxes_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets State Taxes </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsPolicyholderLiabilities" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsPolicyholderLiabilities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsPolicyholderLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued policyholder dividends </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsPolicyholderLiabilities" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsPolicyholderLiabilities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsPolicyholderLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Policyholder Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Impaired securities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Capital loss carryforward </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Capital Loss Carryforwards </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accrued insurance-related assessments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxAssetsUnrealizedLossesOnSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net unrealized loss on securities </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxAssetsUnrealizedLossesOnSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Unrealized Losses On Securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsGross"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total deferred tax assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsGross_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Less: Valuation allowance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Valuation Allowance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsNet"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net deferred tax assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNet" xlink:to="us-gaap_DeferredTaxAssetsNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Assets Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:type="locator" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred income tax liabilities: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Components Of Deferred Tax Liabilities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost" xlink:type="locator" xlink:label="us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Deferred policy acquisition costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost" xlink:to="us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesCallableBondAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Callable bond amortization </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesCallableBondAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities Callable Bond Amortization </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesUnrealizedGainLossesOnSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Unrealized gain on securities available-for-sale </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesUnrealizedGainLossesOnSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities Unrealized Gain Losses On Securities </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAssetsLiabilitiesAndOther_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Property and equipment and other </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAssetsLiabilitiesAndOther_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities Property Plant And Equipment Assets Liabilities And Other </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesSalvageAndSubrogation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Salvage and subrogation </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesSalvageAndSubrogation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities Salvage And Subrogation </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesLossReservesAdjustmentDueToTaxAct_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Loss reserves adjustment due to the Tax Act </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DeferredTaxLiabilitiesLossReservesAdjustmentDueToTaxAct_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities Loss Reserves Adjustment Due To Tax Act </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:type="locator" xlink:label="us-gaap_DeferredTaxLiabilities"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel"> Total deferred income tax liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilities" xlink:to="us-gaap_DeferredTaxLiabilities_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Tax Liabilities </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net deferred income taxes </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:type="locator" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Current Income Tax Expense Benefit Continuing Operations [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Federal </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentFederalTaxExpenseBenefit" xlink:to="us-gaap_CurrentFederalTaxExpenseBenefit_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Current Federal Tax Expense Benefit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:to="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Current State And Local Tax Expense Benefit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total Current </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Current Income Tax Expense Benefit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Income Tax Expense Benefit Continuing Operations [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Federal </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Federal Income Tax Expense Benefit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred State And Local Income Tax Expense Benefit </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total Deferred </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Income tax expense, Total </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Valuation allowance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:type="locator" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> U.S. federal income tax statutory rate </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:type="locator" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Income tax computed at federal statutory tax rate </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:to="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxExemptIncome" xlink:type="locator" xlink:label="us-gaap_IncomeTaxReconciliationTaxExemptIncome"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxReconciliationTaxExemptIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Tax-exempt interest, net </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationTaxExemptIncome" xlink:to="us-gaap_IncomeTaxReconciliationTaxExemptIncome_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxReconciliationTaxExemptIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Reconciliation Tax Exempt Income </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:type="locator" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> State income tax </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:to="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Reconciliation State And Local Income Taxes </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationDeductionsDividends" xlink:type="locator" xlink:label="us-gaap_IncomeTaxReconciliationDeductionsDividends"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxReconciliationDeductionsDividends_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Dividends received deduction </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationDeductionsDividends" xlink:to="us-gaap_IncomeTaxReconciliationDeductionsDividends_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxReconciliationDeductionsDividends_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Reconciliation Deductions Dividends </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Revaluation of net deferred income tax assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit" xlink:to="us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Tax Cuts And Jobs Act Of2017 Change In Tax Rate Income Tax Expense Benefit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationOtherReconcilingItems" xlink:type="locator" xlink:label="us-gaap_IncomeTaxReconciliationOtherReconcilingItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxReconciliationOtherReconcilingItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationOtherReconcilingItems" xlink:to="us-gaap_IncomeTaxReconciliationOtherReconcilingItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxReconciliationOtherReconcilingItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Reconciliation Other Reconciling Items </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions" xlink:type="locator" xlink:label="us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Company recognized uncertain tax positions </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions" xlink:to="us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Tax Adjustments Settlements And Unusual Provisions </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityAbstract" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Line Of Credit Facility [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityAbstract" xlink:to="us-gaap_LineOfCreditFacilityAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Line Of Credit Facility [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_LineOfCreditFacilityTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Line Of Credit Facility [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:type="locator" xlink:label="us-gaap_CreditFacilityAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit Facility </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Credit Facility [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:type="locator" xlink:label="us-gaap_CreditFacilityDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Credit Facility </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="us-gaap_CreditFacilityDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Credit Facility [Domain] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_LineOfCreditFacilityExpiredDecemberTwoThousandTwentyTwoMember" xlink:type="locator" xlink:label="amsf_LineOfCreditFacilityExpiredDecemberTwoThousandTwentyTwoMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_LineOfCreditFacilityExpiredDecemberTwoThousandTwentyTwoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Line of credit facility expired December two thousand twenty two. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_LineOfCreditFacilityExpiredDecemberTwoThousandTwentyTwoMember" xlink:to="amsf_LineOfCreditFacilityExpiredDecemberTwoThousandTwentyTwoMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_LineOfCreditFacilityExpiredDecemberTwoThousandTwentyTwoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Line of Credit Facility Expired December 2022 [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_LineOfCreditFacilityExpiredDecemberTwoThousandTwentyTwoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Line Of Credit Facility Expired December Two Thousand Twenty Two [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Line of Credit Facility [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Line Of Credit Facility [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Maximum amount of line of credit </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Line Of Credit Facility Maximum Borrowing Capacity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Line of credit facility expiration date </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityExpirationDate1" xlink:to="us-gaap_LineOfCreditFacilityExpirationDate1_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Line Of Credit Facility Expiration Date1 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Payment on unused portion of the loan </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:to="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Line Of Credit Facility Unused Capacity Commitment Fee Percentage </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeeAmount" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeeAmount"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeeAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total fee </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCommitmentFeeAmount" xlink:to="us-gaap_LineOfCreditFacilityCommitmentFeeAmount_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeeAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Line Of Credit Facility Commitment Fee Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:type="locator" xlink:label="us-gaap_LettersOfCreditOutstandingAmount"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LettersOfCreditOutstandingAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Outstanding borrowings or letters of credit </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LettersOfCreditOutstandingAmount" xlink:to="us-gaap_LettersOfCreditOutstandingAmount_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LettersOfCreditOutstandingAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Letters Of Credit Outstanding Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetAbstract" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Liability For Unpaid Claims And Allocated Claim Adjustment Expense Net [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetAbstract" xlink:to="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTable" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shortduration Insurance Contracts Claims Development [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTable" xlink:to="us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsClaimsDevelopmentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Claims Development [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYearAxis" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYearAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYearAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Short-duration Insurance Contracts, Accident Year </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsAccidentYearAxis" xlink:to="us-gaap_ShortdurationInsuranceContractsAccidentYearAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYearAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Accident Year [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYearDomain" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYearDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Short-duration Insurance Contracts, Accident Year </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsAccidentYearDomain" xlink:to="us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYearDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Accident Year [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2010Member" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2010Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2010Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accident Year 2010 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsAccidentYear2010Member" xlink:to="us-gaap_ShortdurationInsuranceContractsAccidentYear2010Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2010Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Accident Year2010 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2011Member" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2011Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2011Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accident Year 2011 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsAccidentYear2011Member" xlink:to="us-gaap_ShortdurationInsuranceContractsAccidentYear2011Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2011Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Accident Year2011 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2012Member" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2012Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2012Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accident Year 2012 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsAccidentYear2012Member" xlink:to="us-gaap_ShortdurationInsuranceContractsAccidentYear2012Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2012Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Accident Year2012 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2013Member" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2013Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2013Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accident Year 2013 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsAccidentYear2013Member" xlink:to="us-gaap_ShortdurationInsuranceContractsAccidentYear2013Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2013Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Accident Year2013 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2014Member" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2014Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2014Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accident Year 2014 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsAccidentYear2014Member" xlink:to="us-gaap_ShortdurationInsuranceContractsAccidentYear2014Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2014Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Accident Year2014 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2015Member" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2015Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2015Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accident Year 2015 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsAccidentYear2015Member" xlink:to="us-gaap_ShortdurationInsuranceContractsAccidentYear2015Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2015Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Accident Year2015 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsAccidentYear2016Member" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2016Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2016Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accident Year 2016 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsAccidentYear2016Member" xlink:to="us-gaap_ShortdurationInsuranceContractsAccidentYear2016Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsAccidentYear2016Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Accident Year2016 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortDurationInsuranceContractsAccidentYear2017Member" xlink:type="locator" xlink:label="us-gaap_ShortDurationInsuranceContractsAccidentYear2017Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortDurationInsuranceContractsAccidentYear2017Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accident Year 2017 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortDurationInsuranceContractsAccidentYear2017Member" xlink:to="us-gaap_ShortDurationInsuranceContractsAccidentYear2017Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortDurationInsuranceContractsAccidentYear2017Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Short Duration Insurance Contracts Accident Year2017 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortDurationInsuranceContractsAccidentYear2018Member" xlink:type="locator" xlink:label="us-gaap_ShortDurationInsuranceContractsAccidentYear2018Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortDurationInsuranceContractsAccidentYear2018Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accident Year 2018 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortDurationInsuranceContractsAccidentYear2018Member" xlink:to="us-gaap_ShortDurationInsuranceContractsAccidentYear2018Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortDurationInsuranceContractsAccidentYear2018Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Short Duration Insurance Contracts Accident Year2018 [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ShortdurationInsuranceContractsAccidentYear2019Member" xlink:type="locator" xlink:label="amsf_ShortdurationInsuranceContractsAccidentYear2019Member"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShortdurationInsuranceContractsAccidentYear2019Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Accident year 2019 in which a covered event occurs under the terms of the short-duration insurance contract. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ShortdurationInsuranceContractsAccidentYear2019Member" xlink:to="amsf_ShortdurationInsuranceContractsAccidentYear2019Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShortdurationInsuranceContractsAccidentYear2019Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accident Year 2019 [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ShortdurationInsuranceContractsAccidentYear2019Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Accident Year2019 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClaimsDevelopmentLineItems" xlink:type="locator" xlink:label="us-gaap_ClaimsDevelopmentLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ClaimsDevelopmentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Claims Development [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClaimsDevelopmentLineItems" xlink:to="us-gaap_ClaimsDevelopmentLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ClaimsDevelopmentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Claims Development [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:to="us-gaap_ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Incurred Claims And Allocated Claim Adjustment Expense Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total IBNR Plus Expected Development on Reported Claims </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet" xlink:to="us-gaap_ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Incurred But Not Reported Ibnr Claims Liability Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cumulative Number of Claims Reported </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims" xlink:to="us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Number Of Reported Claims </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ClaimFrequencyPercentage" xlink:type="locator" xlink:label="amsf_ClaimFrequencyPercentage"/>
<link:label xml:lang="en-US" xlink:label="amsf_ClaimFrequencyPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Claim frequency percentage. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ClaimFrequencyPercentage" xlink:to="amsf_ClaimFrequencyPercentage_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:to="us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Cumulative Paid Claims And Allocated Claim Adjustment Expense Net </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ClaimFrequencyPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Claim Frequency </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ClaimFrequencyPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Claim Frequency Percentage </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ShortDurationInsuranceContractsLiabilityForAllOutstandingClaimLiabilitiesBeforeTwoThousandTenNetOfReinsurance" xlink:type="locator" xlink:label="amsf_ShortDurationInsuranceContractsLiabilityForAllOutstandingClaimLiabilitiesBeforeTwoThousandTenNetOfReinsurance"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShortDurationInsuranceContractsLiabilityForAllOutstandingClaimLiabilitiesBeforeTwoThousandTenNetOfReinsurance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Short-duration insurance contracts liability for all outstanding claim liabilities before two thousand ten, net of reinsurance. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ShortDurationInsuranceContractsLiabilityForAllOutstandingClaimLiabilitiesBeforeTwoThousandTenNetOfReinsurance" xlink:to="amsf_ShortDurationInsuranceContractsLiabilityForAllOutstandingClaimLiabilitiesBeforeTwoThousandTenNetOfReinsurance_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShortDurationInsuranceContractsLiabilityForAllOutstandingClaimLiabilitiesBeforeTwoThousandTenNetOfReinsurance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> All outstanding liabilities before 2010, net of reinsurance </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ShortDurationInsuranceContractsLiabilityForAllOutstandingClaimLiabilitiesBeforeTwoThousandTenNetOfReinsurance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Short Duration Insurance Contracts Liability For All Outstanding Claim Liabilities Before Two Thousand Ten Net Of Reinsurance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Liabilities for loss and loss adjustment expenses, net of reinsurance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:to="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Liability For Unpaid Claims And Allocated Claim Adjustment Expense Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance, Year 1 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne" xlink:to="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Historical Claims Duration Year One </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance, Year 2 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo" xlink:to="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Historical Claims Duration Year Two </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance, Year 3 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree" xlink:to="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Historical Claims Duration Year Three </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance, Year 4 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour" xlink:to="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Historical Claims Duration Year Four </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance, Year 5 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive" xlink:to="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Historical Claims Duration Year Five </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance, Year 6 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix" xlink:to="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Historical Claims Duration Year Six </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance, Year 7 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven" xlink:to="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Historical Claims Duration Year Seven </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance, Year 8 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight" xlink:to="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Historical Claims Duration Year Eight </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance, Year 9 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine" xlink:to="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Historical Claims Duration Year Nine </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen" xlink:type="locator" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance, Year 10 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen" xlink:to="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Shortduration Insurance Contracts Historical Claims Duration Year Ten </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ReservesForLossAndLossAdjustmentExpensesAbstract" xlink:type="locator" xlink:label="amsf_ReservesForLossAndLossAdjustmentExpensesAbstract"/>
<link:label xml:lang="en-US" xlink:label="amsf_ReservesForLossAndLossAdjustmentExpensesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Reserves for Loss and Loss Adjustment Expenses [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ReservesForLossAndLossAdjustmentExpensesAbstract" xlink:to="amsf_ReservesForLossAndLossAdjustmentExpensesAbstract_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_LossAndLossAdjustmentExpensesPaymentsForClaimsAbstract" xlink:type="locator" xlink:label="amsf_LossAndLossAdjustmentExpensesPaymentsForClaimsAbstract"/>
<link:label xml:lang="en-US" xlink:label="amsf_LossAndLossAdjustmentExpensesPaymentsForClaimsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Loss And Loss Adjustment Expenses Payments For Claims [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_LossAndLossAdjustmentExpensesPaymentsForClaimsAbstract" xlink:to="amsf_LossAndLossAdjustmentExpensesPaymentsForClaimsAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RollForwardInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAbstract" xlink:type="locator" xlink:label="us-gaap_RollForwardInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_RollForwardInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Roll Forward In Liability For Unpaid Claims And Claims Adjustment Expense [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RollForwardInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAbstract" xlink:to="us-gaap_RollForwardInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Balance, beginning of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments" xlink:type="locator" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Less amounts recoverable from reinsurers on unpaid loss and loss adjustment expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments" xlink:to="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reinsurance Recoverable For Unpaid Claims And Claims Adjustments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet" xlink:type="locator" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Net balance, beginning of period </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet" xlink:to="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Liability For Unpaid Claims And Claims Adjustment Expense Net </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ReservesForLossAndLossAdjustmentExpensesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Add incurred related to: </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ReservesForLossAndLossAdjustmentExpensesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reserves For Loss And Loss Adjustment Expenses [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense" xlink:type="locator" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current accident year </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense" xlink:to="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense" xlink:type="locator" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Prior accident years </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense" xlink:to="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1" xlink:type="locator" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total incurred </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1" xlink:to="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_LossAndLossAdjustmentExpensesPaymentsForClaimsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Less paid related to: </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_LossAndLossAdjustmentExpensesPaymentsForClaimsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Loss And Loss Adjustment Expenses Payments For Claims [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1" xlink:type="locator" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Current accident year </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1" xlink:to="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1" xlink:type="locator" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Prior accident years </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1" xlink:to="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForLossesAndLossAdjustmentExpense" xlink:type="locator" xlink:label="us-gaap_PaymentsForLossesAndLossAdjustmentExpense"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsForLossesAndLossAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total paid </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForLossesAndLossAdjustmentExpense" xlink:to="us-gaap_PaymentsForLossesAndLossAdjustmentExpense_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsForLossesAndLossAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Payments For Losses And Loss Adjustment Expense </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Net balance, end of period </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Add amounts recoverable from reinsurers on unpaid loss and loss adjustment expenses </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Balance, end of period </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_UnpaidLossesAndLossExpensesLineItems" xlink:type="locator" xlink:label="amsf_UnpaidLossesAndLossExpensesLineItems"/>
<link:label xml:lang="en-US" xlink:label="amsf_UnpaidLossesAndLossExpensesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Unpaid Losses And Loss Expenses [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_UnpaidLossesAndLossExpensesLineItems" xlink:to="amsf_UnpaidLossesAndLossExpensesLineItems_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_UnpaidLossesAndLossExpensesTable" xlink:type="locator" xlink:label="amsf_UnpaidLossesAndLossExpensesTable"/>
<link:label xml:lang="en-US" xlink:label="amsf_UnpaidLossesAndLossExpensesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Unpaid Losses And Loss Expenses [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_UnpaidLossesAndLossExpensesTable" xlink:to="amsf_UnpaidLossesAndLossExpensesTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_UnpaidLossesAndLossExpensesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unpaid Losses And Loss Expenses [Table] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_UnpaidLossesAndLossExpensesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Unpaid Losses And Loss Expenses [Table] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_AccidentYearTwoThousandFifteenMember" xlink:type="locator" xlink:label="amsf_AccidentYearTwoThousandFifteenMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_AccidentYearTwoThousandFifteenMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Accident year two thousand fifteen. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_AccidentYearTwoThousandFifteenMember" xlink:to="amsf_AccidentYearTwoThousandFifteenMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_AccidentYearTwoThousandFifteenMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accident Year 2015 [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AccidentYearTwoThousandFifteenMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accident Year Two Thousand Fifteen [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_AccidentYearTwoThousandSixteenMember" xlink:type="locator" xlink:label="amsf_AccidentYearTwoThousandSixteenMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_AccidentYearTwoThousandSixteenMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Accident year two thousand sixteen. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_AccidentYearTwoThousandSixteenMember" xlink:to="amsf_AccidentYearTwoThousandSixteenMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_AccidentYearTwoThousandSixteenMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accident Year 2016 [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AccidentYearTwoThousandSixteenMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accident Year Two Thousand Sixteen [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_UnpaidLossesAndLossExpensesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unpaid Losses And Loss Expenses [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_UnpaidLossesAndLossExpensesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Unpaid Losses And Loss Expenses [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Loss and LAE Related to Prior Periods </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceLossReservesAbstract" xlink:type="locator" xlink:label="us-gaap_InsuranceLossReservesAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InsuranceLossReservesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Insurance Loss Reserves [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InsuranceLossReservesAbstract" xlink:to="us-gaap_InsuranceLossReservesAbstract_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_AsbestosClaimsLineItems" xlink:type="locator" xlink:label="amsf_AsbestosClaimsLineItems"/>
<link:label xml:lang="en-US" xlink:label="amsf_AsbestosClaimsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Asbestos Claims [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_AsbestosClaimsLineItems" xlink:to="amsf_AsbestosClaimsLineItems_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ScheduleOfAsbestosClaimsTable" xlink:type="locator" xlink:label="amsf_ScheduleOfAsbestosClaimsTable"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfAsbestosClaimsTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule Of Asbestos Claims [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ScheduleOfAsbestosClaimsTable" xlink:to="amsf_ScheduleOfAsbestosClaimsTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfAsbestosClaimsTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Asbestos Claims [Table] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfAsbestosClaimsTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Asbestos Claims [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis" xlink:type="locator" xlink:label="us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Catastrophic Event </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis" xlink:to="us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Liability For Catastrophe Claims By Catastrophic Event [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CatastrophicEventDomain" xlink:type="locator" xlink:label="us-gaap_CatastrophicEventDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CatastrophicEventDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Catastrophic Event </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CatastrophicEventDomain" xlink:to="us-gaap_CatastrophicEventDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CatastrophicEventDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Catastrophic Event [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AsbestosIssueMember" xlink:type="locator" xlink:label="us-gaap_AsbestosIssueMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AsbestosIssueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Asbestos Issue [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AsbestosIssueMember" xlink:to="us-gaap_AsbestosIssueMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AsbestosIssueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Asbestos Issue [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AsbestosClaimsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Asbestos Claims [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AsbestosClaimsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Asbestos Claims [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Incurred losses and LAE during the current year </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Loss and LAE payments </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_StatutoryAccountingPracticesStatutoryRealizedInvestmentGainsLosses" xlink:type="locator" xlink:label="amsf_StatutoryAccountingPracticesStatutoryRealizedInvestmentGainsLosses"/>
<link:label xml:lang="en-US" xlink:label="amsf_StatutoryAccountingPracticesStatutoryRealizedInvestmentGainsLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Statutory Accounting Practices Statutory Realized Investment Gains Losses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_StatutoryAccountingPracticesStatutoryRealizedInvestmentGainsLosses" xlink:to="amsf_StatutoryAccountingPracticesStatutoryRealizedInvestmentGainsLosses_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance" xlink:type="locator" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Capital and surplus </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance" xlink:to="us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statutory Accounting Practices Statutory Capital And Surplus Balance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount" xlink:type="locator" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount" xlink:to="us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statutory Accounting Practices Statutory Net Income Amount </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_StatutoryAccountingPracticesStatutoryRealizedInvestmentGainsLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net realized losses on investments </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_StatutoryAccountingPracticesStatutoryRealizedInvestmentGainsLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statutory Accounting Practices Statutory Realized Investment Gains Losses </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_StatutoryAccountingPracticesFutureDividendPaymentsPercentage" xlink:type="locator" xlink:label="amsf_StatutoryAccountingPracticesFutureDividendPaymentsPercentage"/>
<link:label xml:lang="en-US" xlink:label="amsf_StatutoryAccountingPracticesFutureDividendPaymentsPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Statutory Accounting Practices Future Dividend Payments Percentage </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_StatutoryAccountingPracticesFutureDividendPaymentsPercentage" xlink:to="amsf_StatutoryAccountingPracticesFutureDividendPaymentsPercentage_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_StatutoryAccountingPracticesFutureDividendPaymentsPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Dividends to the Company </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_StatutoryAccountingPracticesFutureDividendPaymentsPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statutory Accounting Practices Future Dividend Payments Percentage </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:type="locator" xlink:label="us-gaap_PaymentsOfDividends"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsOfDividends_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Dividends paid </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividends" xlink:to="us-gaap_PaymentsOfDividends_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsOfDividends_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Payments Of Dividends </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments" xlink:type="locator" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Dividends permissible to pay without seeking regulatory approval </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments" xlink:to="us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statutory Accounting Practices Statutory Amount Available For Dividend Payments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:type="locator" xlink:label="us-gaap_PreferredStockSharesAuthorized"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, shares authorized </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesAuthorized" xlink:to="us-gaap_PreferredStockSharesAuthorized_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock Shares Authorized </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:type="locator" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, par value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock Par Or Stated Value Per Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:type="locator" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Preferred stock, shares outstanding </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesOutstanding" xlink:to="us-gaap_PreferredStockSharesOutstanding_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Preferred Stock Shares Outstanding </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameAxis" xlink:type="locator" xlink:label="us-gaap_PlanNameAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Plan Name </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Plan Name [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PlanNameDomain" xlink:type="locator" xlink:label="us-gaap_PlanNameDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Plan Name </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameDomain" xlink:to="us-gaap_PlanNameDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Plan Name [Domain] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_TwoThousandFiveIncentivePlanMember" xlink:type="locator" xlink:label="amsf_TwoThousandFiveIncentivePlanMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_TwoThousandFiveIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Two Thousand Five Incentive Plan [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_TwoThousandFiveIncentivePlanMember" xlink:to="amsf_TwoThousandFiveIncentivePlanMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_TwoThousandFiveIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2005 Incentive Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_TwoThousandFiveIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Two Thousand Five Incentive Plan [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:type="locator" xlink:label="us-gaap_AwardTypeAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Award Type </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Award Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Award Type </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockMember" xlink:type="locator" xlink:label="us-gaap_RestrictedStockMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted Stock [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockMember" xlink:to="us-gaap_RestrictedStockMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Restricted Stock [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_TwoThousandTwelveEquityAndIncentiveCompensationPlanMember" xlink:type="locator" xlink:label="amsf_TwoThousandTwelveEquityAndIncentiveCompensationPlanMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_TwoThousandTwelveEquityAndIncentiveCompensationPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Two Thousand Twelve Equity And Incentive Compensation Plan [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_TwoThousandTwelveEquityAndIncentiveCompensationPlanMember" xlink:to="amsf_TwoThousandTwelveEquityAndIncentiveCompensationPlanMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_TwoThousandTwelveEquityAndIncentiveCompensationPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2012 Equity and Incentive Compensation Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_TwoThousandTwelveEquityAndIncentiveCompensationPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Two Thousand Twelve Equity And Incentive Compensation Plan [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ShareBasedGrantsMember" xlink:type="locator" xlink:label="amsf_ShareBasedGrantsMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShareBasedGrantsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share Based Grants [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ShareBasedGrantsMember" xlink:to="amsf_ShareBasedGrantsMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShareBasedGrantsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share Based Grants [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ShareBasedGrantsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Grants [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_LongTermIncentiveAwardsMember" xlink:type="locator" xlink:label="amsf_LongTermIncentiveAwardsMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_LongTermIncentiveAwardsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Long term incentive awards. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_LongTermIncentiveAwardsMember" xlink:to="amsf_LongTermIncentiveAwardsMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_LongTermIncentiveAwardsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Long-Term Incentive Awards [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_LongTermIncentiveAwardsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Long Term Incentive Awards [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_NonEmployeeDirectorRestrictedStockPlanMember" xlink:type="locator" xlink:label="amsf_NonEmployeeDirectorRestrictedStockPlanMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_NonEmployeeDirectorRestrictedStockPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Non employee director restricted stock plan. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_NonEmployeeDirectorRestrictedStockPlanMember" xlink:to="amsf_NonEmployeeDirectorRestrictedStockPlanMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_NonEmployeeDirectorRestrictedStockPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Non-Employee Director Restricted Stock Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_NonEmployeeDirectorRestrictedStockPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Non Employee Director Restricted Stock Plan [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share-based Compensation Arrangement by Share-based Payment Award [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted stock outstanding </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriodRemainExercisable" xlink:type="locator" xlink:label="amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriodRemainExercisable"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriodRemainExercisable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period Remain Exercisable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriodRemainExercisable" xlink:to="amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriodRemainExercisable_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Duration for Stock option grants exercisable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Expiration of stock option </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriodRemainExercisable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unexercised portion of stock option remains exercisable </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriodRemainExercisable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period Remain Exercisable </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_NumberOfCompaniesUsedForEstimationOfExpectedVolatility" xlink:type="locator" xlink:label="amsf_NumberOfCompaniesUsedForEstimationOfExpectedVolatility"/>
<link:label xml:lang="en-US" xlink:label="amsf_NumberOfCompaniesUsedForEstimationOfExpectedVolatility_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Number Of Companies Used For Estimation Of Expected Volatility </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_NumberOfCompaniesUsedForEstimationOfExpectedVolatility" xlink:to="amsf_NumberOfCompaniesUsedForEstimationOfExpectedVolatility_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_NumberOfCompaniesUsedForEstimationOfExpectedVolatility_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Number of companies used for the estimation of expected volatility </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_NumberOfCompaniesUsedForEstimationOfExpectedVolatility_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Number Of Companies Used For Estimation Of Expected Volatility </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Dividend yield assumed </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsShareBasedCompensationCash" xlink:type="locator" xlink:label="us-gaap_DividendsShareBasedCompensationCash"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendsShareBasedCompensationCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash dividends paid </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsShareBasedCompensationCash" xlink:to="us-gaap_DividendsShareBasedCompensationCash_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendsShareBasedCompensationCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Dividends Share Based Compensation Cash </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Roll Forward </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Shares outstanding, Beginning balance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares, Granted </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Shares, Exercised </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Shares Canceled, forfeited, or expired </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Shares outstanding, Ending balance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Shares exercisable, Ending balance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Weighted- Average Exercise Price, Beginning balance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted- Average Exercise Price, Granted </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted- Average Exercise Price, Exercised </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted- Average Exercise Price, Canceled, forfeited, or expired </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Weighted- Average Exercise Price, Ending balance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Weighted- Average Exercise Price, Exercisable Ending balance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageRemainingContractualTerm" xlink:type="locator" xlink:label="amsf_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageRemainingContractualTerm"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageRemainingContractualTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangement by share based payment award options exercises in period weighted average remaining contractual term. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageRemainingContractualTerm" xlink:to="amsf_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageRemainingContractualTerm_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted- Average Remaining Contractual Life (in years) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageRemainingContractualTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted- Average Remaining Contractual Life (in years), Exercised </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageRemainingContractualTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Remaining Contractual Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted- Average Remaining Contractual Life (in years), Exercisable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Cash received from option exercises </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total intrinsic value of options exercised </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Aggregate intrinsic value of vested options outstanding </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_TwoThousandTwelveIncentivePlanMember" xlink:type="locator" xlink:label="amsf_TwoThousandTwelveIncentivePlanMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_TwoThousandTwelveIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Two thousand twelve incentive plan. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_TwoThousandTwelveIncentivePlanMember" xlink:to="amsf_TwoThousandTwelveIncentivePlanMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_TwoThousandTwelveIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> 2012 Incentive Plan [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_TwoThousandTwelveIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Two Thousand Twelve Incentive Plan [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_CommonStockAndRestrictedStockMember" xlink:type="locator" xlink:label="amsf_CommonStockAndRestrictedStockMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_CommonStockAndRestrictedStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Common stock and restricted stock. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_CommonStockAndRestrictedStockMember" xlink:to="amsf_CommonStockAndRestrictedStockMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_CommonStockAndRestrictedStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common and Restricted Stock [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_CommonStockAndRestrictedStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Common Stock And Restricted Stock [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Shares, Nonvested outstanding, Beginning balance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares, Granted </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Shares, Vested </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Shares, Forfeited </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Shares, Nonvested outstanding, Ending balance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Weighted-Average Grant-Date Fair Value per Share, Beginning balance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted-Average Grant-Date Fair Value per Share, Vested </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Weighted-Average Grant-Date Fair Value per Share, Forfeited </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Weighted-Average Grant-Date Fair Value per Share, Ending balance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:type="locator" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Compensation expense </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Allocated Share Based Compensation Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares authorized under incentive plan </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Common stock granted </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Common stock available for future awards </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIncreaseInAnnualAward" xlink:type="locator" xlink:label="amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIncreaseInAnnualAward"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIncreaseInAnnualAward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share based compensation arrangement by share based payment award equity instruments other than options increase in annual award. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIncreaseInAnnualAward" xlink:to="amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIncreaseInAnnualAward_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_RestrictedStockAwardForNumberOfStocks" xlink:type="locator" xlink:label="amsf_RestrictedStockAwardForNumberOfStocks"/>
<link:label xml:lang="en-US" xlink:label="amsf_RestrictedStockAwardForNumberOfStocks_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Restricted Stock Award For Number Of Stocks </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_RestrictedStockAwardForNumberOfStocks" xlink:to="amsf_RestrictedStockAwardForNumberOfStocks_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_RestrictedStockAwardForNumberOfStocks_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Restricted stock award for a number of shares </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_RestrictedStockAwardForNumberOfStocks_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Restricted Stock Award For Number Of Stocks </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIncreaseInAnnualAward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Increase in annual restricted stock award </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIncreaseInAnnualAward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Increase In Annual Award </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:type="locator" xlink:label="us-gaap_EarningsPerShareBasicAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareBasicAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Earnings Per Share Basic [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_EarningsPerShareBasicAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Net income – basic </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Basic weighted-average common shares </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Basic earnings per share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLossAttributableToParentDiluted" xlink:type="locator" xlink:label="us-gaap_NetIncomeLossAttributableToParentDiluted"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetIncomeLossAttributableToParentDiluted_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net income - diluted </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAttributableToParentDiluted" xlink:to="us-gaap_NetIncomeLossAttributableToParentDiluted_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetIncomeLossAttributableToParentDiluted_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Net Income Loss Attributable To Parent Diluted </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel"> Weighted average common shares </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptionsAndRestrictedStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock options and restricted stock </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptionsAndRestrictedStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Incremental Common Shares Attributable To Share Based Payment Arrangements Stock Options And Restricted Stock </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Diluted weighted average common shares </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Diluted earnings per common share </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_WeightedAverageNumberOfSharesOtherAbstract" xlink:type="locator" xlink:label="amsf_WeightedAverageNumberOfSharesOtherAbstract"/>
<link:label xml:lang="en-US" xlink:label="amsf_WeightedAverageNumberOfSharesOtherAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Weighted Average Number Of Shares Other [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_WeightedAverageNumberOfSharesOtherAbstract" xlink:to="amsf_WeightedAverageNumberOfSharesOtherAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel"> Basic weighted average common shares </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_WeightedAverageNumberOfSharesOtherAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Add: Other common shares eligible for common dividends: </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_WeightedAverageNumberOfSharesOtherAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Weighted Average Number Of Shares Other [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:type="locator" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Stock options and restricted stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:to="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Incremental Common Shares Attributable To Share Based Payment Arrangements </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:type="locator" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:type="locator" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated Other Comprehensive Income Loss [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Other Comprehensive Income Loss [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:type="locator" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Accumulated Other Comprehensive Income Loss [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Other Comprehensive Income Loss [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1" xlink:type="locator" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Adjusted beginning balance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Stockholders Equity Including Portion Attributable To Noncontrolling Interest Adjusted Balance1 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:type="locator" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other comprehensive income (loss) before reclassification </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income Loss Before Reclassifications Net Of Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:type="locator" xlink:label="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Amounts reclassified from accumulated other comprehensive income (loss) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:to="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:type="locator" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net current period other comprehensive income (loss) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl"/>
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<link:label xml:lang="en-US" xlink:label="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reclassification out of Accumulated Other Comprehensive Income </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:type="locator" xlink:label="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reclassification out of Accumulated Other Comprehensive Income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:to="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_lbl"/>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" xlink:type="locator" xlink:label="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember"/>
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<link:label xml:lang="en-US" xlink:label="us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reclassification Out Of Accumulated Other Comprehensive Income [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems" xlink:type="locator" xlink:label="us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems" xlink:to="us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Income before income taxes </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Income tax expense </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeBeforeTax" xlink:type="locator" xlink:label="amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeBeforeTax"/>
<link:label xml:lang="en-US" xlink:label="amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Before tax period Increase decrease in the net adjustment to accumulated other comprehensive income which includes unrealized gain loss resulting from available-for-sale securities and or other than temporary impairment charges. </link:label>
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<link:loc xlink:href="amsf-20191231.xsd#amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeNetOfTax" xlink:type="locator" xlink:label="amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeNetOfTax"/>
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<link:label xml:lang="en-US" xlink:label="amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Period Increase decrease of the tax expense as a result of the net adjustment to accumulated other comprehensive income which includes unrealized gain loss resulting from available-for-sale securities and or other than temporary impairment charges. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeTax" xlink:to="amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeTax_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" xlink:type="locator" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrealized gain (loss) on available-for-sale securities, Pre-Tax Amount </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" xlink:to="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Reclassification adjustment for gains (losses) realized in net income, Pre-Tax Amount </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income Loss Reclassification Adjustment From A O C I For Sale Of Securities And Other Than Temporary Impairment Before Tax </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net unrealized gain loss, Pre-Tax Amount </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Period Increase Decrease Adjustment Accumulated Other Comprehensive Income Before Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent" xlink:type="locator" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other comprehensive income (loss), Pre-Tax Amount </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent" xlink:to="us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income Loss Before Tax Portion Attributable To Parent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xlink:type="locator" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrealized gain loss on available-for-sale securities, Tax Expense (Benefit) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xlink:to="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Reclassification adjustment for gains (losses) realized in net income, Tax Expense (Benefit) </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income Loss Reclassification Adjustment From A O C I For Sale Of Securities And Other Than Temporary Impairment Tax </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net unrealized gain loss, Tax Expense (Benefit) </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Period Increase Decrease Adjustment Accumulated Other Comprehensive Income Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1" xlink:type="locator" xlink:label="us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other comprehensive income (loss), Tax Expense (Benefit) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1" xlink:to="us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income Loss Tax Portion Attributable To Parent1 </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OtherComprehensiveIncomeUnrealizedGainLossOnAvailableForSaleSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrealized gain (loss) on available-for-sale securities, Net-of-Tax Amount </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OtherComprehensiveIncomeUnrealizedGainLossOnAvailableForSaleSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income Unrealized Gain Loss On Available For Sale Securities Arising During Period Net Of Tax </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Reclassification adjustment for gains (losses) realized in net income, Net-of-Tax Amount </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesAndOtherThanTemporaryImpairmentNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Comprehensive Income Loss Reclassification Adjustment From A O C I For Sale Of Securities And Other Than Temporary Impairment Net Of Tax </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Net unrealized gain loss, Net-of-Tax Amount </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PeriodIncreaseDecreaseAdjustmentAccumulatedOtherComprehensiveIncomeNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Period Increase Decrease Adjustment Accumulated Other Comprehensive Income Net Of Tax </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other comprehensive income (loss), Net-of-Tax Amount </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_DefinedContributionPlanVestingPeriod" xlink:type="locator" xlink:label="amsf_DefinedContributionPlanVestingPeriod"/>
<link:label xml:lang="en-US" xlink:label="amsf_DefinedContributionPlanVestingPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Defined contribution plan vesting period. </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPlanPlanName" xlink:type="locator" xlink:label="us-gaap_DefinedContributionPlanPlanName"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DefinedContributionPlanPlanName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Defined contribution plan name </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanPlanName" xlink:to="us-gaap_DefinedContributionPlanPlanName_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DefinedContributionPlanPlanName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Contribution Plan Plan Name </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:type="locator" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Matches employee compensation for participating employees </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:to="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Contribution Plan Employer Matching Contribution Percent </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DefinedContributionPlanVestingPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fully vested in employer contributions </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_DefinedContributionPlanVestingPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Contribution Plan Vesting Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:type="locator" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Defined contribution this plan </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:to="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Defined Contribution Plan Employer Discretionary Contribution Amount </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_StatementValueOfAnnuitiesAsPercentageOfStatutorySurplus" xlink:type="locator" xlink:label="amsf_StatementValueOfAnnuitiesAsPercentageOfStatutorySurplus"/>
<link:label xml:lang="en-US" xlink:label="amsf_StatementValueOfAnnuitiesAsPercentageOfStatutorySurplus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Statement value of annuities exceeding 1% of statutory surplus. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_StatementValueOfAnnuitiesAsPercentageOfStatutorySurplus" xlink:to="amsf_StatementValueOfAnnuitiesAsPercentageOfStatutorySurplus_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_CommitmentsAndContingenciesLineItems" xlink:type="locator" xlink:label="amsf_CommitmentsAndContingenciesLineItems"/>
<link:label xml:lang="en-US" xlink:label="amsf_CommitmentsAndContingenciesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Commitments And Contingencies [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_CommitmentsAndContingenciesLineItems" xlink:to="amsf_CommitmentsAndContingenciesLineItems_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_CommitmentsAndContingenciesTable" xlink:type="locator" xlink:label="amsf_CommitmentsAndContingenciesTable"/>
<link:label xml:lang="en-US" xlink:label="amsf_CommitmentsAndContingenciesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Commitments And Contingencies [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_CommitmentsAndContingenciesTable" xlink:to="amsf_CommitmentsAndContingenciesTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_CommitmentsAndContingenciesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commitments And Contingencies [Table] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_CommitmentsAndContingenciesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments And Contingencies [Table] </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis"/>
<link:label xml:lang="en-US" xlink:label="dei_LegalEntityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Legal Entity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_LegalEntityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Legal Entity [Axis] </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Entity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityDomain" xlink:to="dei_EntityDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="dei_EntityDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Entity [Domain] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_PacificLifeAndAnnuityCompanyMember" xlink:type="locator" xlink:label="amsf_PacificLifeAndAnnuityCompanyMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_PacificLifeAndAnnuityCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Pacific Life And Annuity Company [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_PacificLifeAndAnnuityCompanyMember" xlink:to="amsf_PacificLifeAndAnnuityCompanyMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_PacificLifeAndAnnuityCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Pacific Life and Annuity Company [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PacificLifeAndAnnuityCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Pacific Life And Annuity Company [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_AmericanGeneralLifeInsuranceCompanyMember" xlink:type="locator" xlink:label="amsf_AmericanGeneralLifeInsuranceCompanyMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_AmericanGeneralLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> American General Life Insurance Company. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_AmericanGeneralLifeInsuranceCompanyMember" xlink:to="amsf_AmericanGeneralLifeInsuranceCompanyMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_AmericanGeneralLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> American General Life Insurance Company [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AmericanGeneralLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> American General Life Insurance Company [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_NewYorkLifeInsuranceCompanyMember" xlink:type="locator" xlink:label="amsf_NewYorkLifeInsuranceCompanyMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_NewYorkLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> New York Life Insurance Company [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_NewYorkLifeInsuranceCompanyMember" xlink:to="amsf_NewYorkLifeInsuranceCompanyMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_NewYorkLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> New York Life Insurance Company [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_NewYorkLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> New York Life Insurance Company [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_TravelersLifeAndAnnuityInsuranceCompanyMember" xlink:type="locator" xlink:label="amsf_TravelersLifeAndAnnuityInsuranceCompanyMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_TravelersLifeAndAnnuityInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Travelers life and annuity insurance company. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_TravelersLifeAndAnnuityInsuranceCompanyMember" xlink:to="amsf_TravelersLifeAndAnnuityInsuranceCompanyMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_TravelersLifeAndAnnuityInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Travelers Life and Annuity Insurance Company [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_TravelersLifeAndAnnuityInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Travelers Life And Annuity Insurance Company [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_MetropolitanLifeInsuranceCompanyMember" xlink:type="locator" xlink:label="amsf_MetropolitanLifeInsuranceCompanyMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_MetropolitanLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Metropolitan Life Insurance Company. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_MetropolitanLifeInsuranceCompanyMember" xlink:to="amsf_MetropolitanLifeInsuranceCompanyMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_MetropolitanLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Metropolitan Life Insurance Company [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_MetropolitanLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Metropolitan Life Insurance Company [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_JohnHancockLifeInsuranceCompanyMember" xlink:type="locator" xlink:label="amsf_JohnHancockLifeInsuranceCompanyMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_JohnHancockLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> John Hancock Life Insurance Company. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_JohnHancockLifeInsuranceCompanyMember" xlink:to="amsf_JohnHancockLifeInsuranceCompanyMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_JohnHancockLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> John Hancock Life Insurance Company [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_JohnHancockLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> John Hancock Life Insurance Company [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_AtheneAnnuityAndLifeCompanyMember" xlink:type="locator" xlink:label="amsf_AtheneAnnuityAndLifeCompanyMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_AtheneAnnuityAndLifeCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Athene Annuity and Life Company. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_AtheneAnnuityAndLifeCompanyMember" xlink:to="amsf_AtheneAnnuityAndLifeCompanyMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_AtheneAnnuityAndLifeCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Athene Annuity and Life Company [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AtheneAnnuityAndLifeCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Athene Annuity And Life Company [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_UnitedOfOmahaLifeInsuranceCompanyMember" xlink:type="locator" xlink:label="amsf_UnitedOfOmahaLifeInsuranceCompanyMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_UnitedOfOmahaLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> United of Omaha Life Insurance Company. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_UnitedOfOmahaLifeInsuranceCompanyMember" xlink:to="amsf_UnitedOfOmahaLifeInsuranceCompanyMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_UnitedOfOmahaLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> United of Omaha Life Insurance Company [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_UnitedOfOmahaLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> United Of Omaha Life Insurance Company [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_LincolnLifeAssuranceCompanyOfBostonMember" xlink:type="locator" xlink:label="amsf_LincolnLifeAssuranceCompanyOfBostonMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_LincolnLifeAssuranceCompanyOfBostonMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Lincoln life assurance company of Boston. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_LincolnLifeAssuranceCompanyOfBostonMember" xlink:to="amsf_LincolnLifeAssuranceCompanyOfBostonMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_LincolnLifeAssuranceCompanyOfBostonMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Lincoln Life Assurance Company of Boston [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_LincolnLifeAssuranceCompanyOfBostonMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lincoln Life Assurance Company Of Boston [Member] </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_OtherLifeInsuranceCompanyMember" xlink:type="locator" xlink:label="amsf_OtherLifeInsuranceCompanyMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_OtherLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Other Life Insurance Company [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_OtherLifeInsuranceCompanyMember" xlink:to="amsf_OtherLifeInsuranceCompanyMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_OtherLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OtherLifeInsuranceCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Life Insurance Company [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_AMBestAPlusPlusRatingMember" xlink:type="locator" xlink:label="srt_AMBestAPlusPlusRatingMember"/>
<link:label xml:lang="en-US" xlink:label="srt_AMBestAPlusPlusRatingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> A.M. Best Rating, A++ [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_AMBestAPlusPlusRatingMember" xlink:to="srt_AMBestAPlusPlusRatingMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_AMBestAPlusPlusRatingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> A M Best A Plus Plus Rating [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_CommitmentsAndContingenciesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Commitments And Contingencies [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_CommitmentsAndContingenciesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Commitments And Contingencies [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_StatementValueOfAnnuitiesAsPercentageOfStatutorySurplus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Statement value of annuities exceeding 1% of statutory surplus </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_StatementValueOfAnnuitiesAsPercentageOfStatutorySurplus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statement Value Of Annuities As Percentage Of Statutory Surplus </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_OperatingLeaseRemainingLeaseTerm" xlink:type="locator" xlink:label="amsf_OperatingLeaseRemainingLeaseTerm"/>
<link:label xml:lang="en-US" xlink:label="amsf_OperatingLeaseRemainingLeaseTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Operating lease remaining lease term. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_OperatingLeaseRemainingLeaseTerm" xlink:to="amsf_OperatingLeaseRemainingLeaseTerm_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_FinanceLeaseRemainingLeaseTerm" xlink:type="locator" xlink:label="amsf_FinanceLeaseRemainingLeaseTerm"/>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeaseRemainingLeaseTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Finance lease remaining lease term. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_FinanceLeaseRemainingLeaseTerm" xlink:to="amsf_FinanceLeaseRemainingLeaseTerm_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_OperatingLeaseRemainingLeaseTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease, remaining lease term </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_OperatingLeaseRemainingLeaseTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease Remaining Lease Term </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeaseRemainingLeaseTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance lease, remaining lease term </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeaseRemainingLeaseTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Remaining Lease Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseRenewalTerm"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseRenewalTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease, options to extend lease term </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseRenewalTerm" xlink:to="us-gaap_LesseeOperatingLeaseRenewalTerm_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseRenewalTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating Lease Renewal Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeFinanceLeaseRenewalTerm1" xlink:type="locator" xlink:label="us-gaap_LesseeFinanceLeaseRenewalTerm1"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeFinanceLeaseRenewalTerm1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance lease, options to extend lease term </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeFinanceLeaseRenewalTerm1" xlink:to="us-gaap_LesseeFinanceLeaseRenewalTerm1_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeFinanceLeaseRenewalTerm1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Finance Lease Renewal Term1 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease, existence of option to extend </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend" xlink:to="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating Lease Existence Of Option To Extend </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeFinanceLeaseExistenceOfOptionToExtend" xlink:type="locator" xlink:label="us-gaap_LesseeFinanceLeaseExistenceOfOptionToExtend"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeFinanceLeaseExistenceOfOptionToExtend_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance lease, existence of option to extend </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeFinanceLeaseExistenceOfOptionToExtend" xlink:to="us-gaap_LesseeFinanceLeaseExistenceOfOptionToExtend_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeFinanceLeaseExistenceOfOptionToExtend_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Finance Lease Existence Of Option To Extend </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_FinanceLeaseCost" xlink:type="locator" xlink:label="amsf_FinanceLeaseCost"/>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeaseCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Finance lease cost. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_FinanceLeaseCost" xlink:to="amsf_FinanceLeaseCost_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_FinanceLeasesCostAbstract" xlink:type="locator" xlink:label="amsf_FinanceLeasesCostAbstract"/>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeasesCostAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Finance leases cost. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_FinanceLeasesCostAbstract" xlink:to="amsf_FinanceLeasesCostAbstract_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseCost" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseCost"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating lease cost </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseCost" xlink:to="us-gaap_OperatingLeaseCost_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease Cost </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeasesCostAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance lease cost: </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeasesCostAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Leases Cost [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Amortization of right-of-use assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseRightOfUseAssetAmortization" xlink:to="us-gaap_FinanceLeaseRightOfUseAssetAmortization_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Right Of Use Asset Amortization </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseInterestExpense" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseInterestExpense"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseInterestExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Interest on lease liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseInterestExpense" xlink:to="us-gaap_FinanceLeaseInterestExpense_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseInterestExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Interest Expense </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeaseCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total finance lease cost </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeaseCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Cost </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract" xlink:type="locator" xlink:label="amsf_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract"/>
<link:label xml:lang="en-US" xlink:label="amsf_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Cash paid for amounts included in measurement of lease liabilities. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract" xlink:to="amsf_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash paid for amounts included in the measurement of lease liabilities: </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Cash Paid For Amounts Included In Measurement Of Lease Liabilities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasePayments" xlink:type="locator" xlink:label="us-gaap_OperatingLeasePayments"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating cash flows from operating leases </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasePayments" xlink:to="us-gaap_OperatingLeasePayments_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease Payments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseInterestPaymentOnLiability" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseInterestPaymentOnLiability"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseInterestPaymentOnLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating cash flows from finance leases </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseInterestPaymentOnLiability" xlink:to="us-gaap_FinanceLeaseInterestPaymentOnLiability_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseInterestPaymentOnLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Interest Payment On Liability </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeasePrincipalPayments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Financing cash flows from finance leases </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:type="locator" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating leases </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:to="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Right Of Use Asset Obtained In Exchange For Operating Lease Liability </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability" xlink:type="locator" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance leases </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability" xlink:to="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Right Of Use Asset Obtained In Exchange For Finance Lease Liability </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_AccumulatedAmortizationOfFinanceLeaseRightOfUseAssets" xlink:type="locator" xlink:label="amsf_AccumulatedAmortizationOfFinanceLeaseRightOfUseAssets"/>
<link:label xml:lang="en-US" xlink:label="amsf_AccumulatedAmortizationOfFinanceLeaseRightOfUseAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Accumulated amortization of finance lease right of use assets. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_AccumulatedAmortizationOfFinanceLeaseRightOfUseAssets" xlink:to="amsf_AccumulatedAmortizationOfFinanceLeaseRightOfUseAssets_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_FinanceLeaseRightOfUseAssetNet" xlink:type="locator" xlink:label="amsf_FinanceLeaseRightOfUseAssetNet"/>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeaseRightOfUseAssetNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Finance lease right of use asset, net. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_FinanceLeaseRightOfUseAssetNet" xlink:to="amsf_FinanceLeaseRightOfUseAssetNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Operating lease right-of-use assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList" xlink:to="us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating Lease, Liability, Statement of Financial Position [Extensible List] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList" xlink:to="us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease Liability Statement Of Financial Position Extensible List </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAsset" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseRightOfUseAsset"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseRightOfUseAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance lease right-of-use assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseRightOfUseAsset" xlink:to="us-gaap_FinanceLeaseRightOfUseAsset_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseRightOfUseAsset_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Right Of Use Asset </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AccumulatedAmortizationOfFinanceLeaseRightOfUseAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Finance lease accumulated amortization right-of-use assets </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AccumulatedAmortizationOfFinanceLeaseRightOfUseAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Accumulated Amortization Of Finance Lease Right Of Use Assets </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeaseRightOfUseAssetNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Property and equipment, net </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_FinanceLeaseRightOfUseAssetNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Right Of Use Asset Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList" xlink:to="us-gaap_FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiability" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiability"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel"> Finance lease liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiability" xlink:to="us-gaap_FinanceLeaseLiability_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Liability </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance Lease, Liability, Statement of Financial Position [Extensible List] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList" xlink:to="us-gaap_FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Liability Statement Of Financial Position Extensible List </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Operating leases, Weighted average remaining lease term: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:to="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease Weighted Average Remaining Lease Term1 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Finance leases, Weighted average remaining lease term: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1" xlink:to="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Weighted Average Remaining Lease Term1 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Operating leases, Weighted average discount rate: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:to="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease Weighted Average Discount Rate Percent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Finance leases, Weighted average discount rate: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" xlink:to="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Weighted Average Discount Rate Percent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Operating Leases, 2020 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating Lease Liability Payments Due Next Twelve Months </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Operating Leases, 2021 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating Lease Liability Payments Due Year Two </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Operating Leases, 2022 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating Lease Liability Payments Due Year Three </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Operating Leases, 2023 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating Lease Liability Payments Due Year Four </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Operating Leases, 2024 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating Lease Liability Payments Due Year Five </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total lease payments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating Lease Liability Payments Due </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:type="locator" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Operating Leases, Less imputed interest </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Lessee Operating Lease Liability Undiscounted Excess Amount </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Operating Leases, Total </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Finance Leases, 2020 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Liability Payments Due Next Twelve Months </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Finance Leases, 2021 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Liability Payments Due Year Two </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Finance Leases, 2022 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Liability Payments Due Year Three </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Finance Leases, 2023 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Liability Payments Due Year Four </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Finance Leases, 2024 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Liability Payments Due Year Five </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Total lease payments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Liability Payments Due </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" xlink:type="locator" xlink:label="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Finance Leases, Less imputed interest </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" xlink:to="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Finance Lease Liability Undiscounted Excess Amount </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_FinanceLeaseLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Finance Leases, Total </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseExpense" xlink:type="locator" xlink:label="us-gaap_OperatingLeaseExpense"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Rent expense </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseExpense" xlink:to="us-gaap_OperatingLeaseExpense_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLeaseExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Operating Lease Expense </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_PremiumsEarnedPercentage" xlink:type="locator" xlink:label="amsf_PremiumsEarnedPercentage"/>
<link:label xml:lang="en-US" xlink:label="amsf_PremiumsEarnedPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Premiums earned percentage. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_PremiumsEarnedPercentage" xlink:to="amsf_PremiumsEarnedPercentage_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CompensationRelatedCostsAbstract" xlink:type="locator" xlink:label="us-gaap_CompensationRelatedCostsAbstract"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CompensationRelatedCostsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Compensation Related Costs [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CompensationRelatedCostsAbstract" xlink:to="us-gaap_CompensationRelatedCostsAbstract_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ScheduleOfPremiumsEarnedNetBySegmentLineItems" xlink:type="locator" xlink:label="amsf_ScheduleOfPremiumsEarnedNetBySegmentLineItems"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfPremiumsEarnedNetBySegmentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule Of Premiums Earned Net By Segment [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ScheduleOfPremiumsEarnedNetBySegmentLineItems" xlink:to="amsf_ScheduleOfPremiumsEarnedNetBySegmentLineItems_lbl"/>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ScheduleOfPremiumsEarnedNetBySegmentTable" xlink:type="locator" xlink:label="amsf_ScheduleOfPremiumsEarnedNetBySegmentTable"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfPremiumsEarnedNetBySegmentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Schedule Of Premiums Earned Net By Segment [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ScheduleOfPremiumsEarnedNetBySegmentTable" xlink:to="amsf_ScheduleOfPremiumsEarnedNetBySegmentTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfPremiumsEarnedNetBySegmentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Premiums Earned Net By Segment [Table] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfPremiumsEarnedNetBySegmentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Premiums Earned Net By Segment [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementGeographicalAxis" xlink:type="locator" xlink:label="srt_StatementGeographicalAxis"/>
<link:label xml:lang="en-US" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Geographical </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementGeographicalAxis" xlink:to="srt_StatementGeographicalAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Statement Geographical [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SegmentGeographicalDomain" xlink:type="locator" xlink:label="srt_SegmentGeographicalDomain"/>
<link:label xml:lang="en-US" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Geographical </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_SegmentGeographicalDomain" xlink:to="srt_SegmentGeographicalDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Segment Geographical [Domain] </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_FL" xlink:type="locator" xlink:label="stpr_FL"/>
<link:label xml:lang="en-US" xlink:label="stpr_FL_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Florida [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="stpr_FL" xlink:to="stpr_FL_lbl"/>
<link:label xml:lang="en-US" xlink:label="stpr_FL_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> FLORIDA </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_GA" xlink:type="locator" xlink:label="stpr_GA"/>
<link:label xml:lang="en-US" xlink:label="stpr_GA_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Georgia [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="stpr_GA" xlink:to="stpr_GA_lbl"/>
<link:label xml:lang="en-US" xlink:label="stpr_GA_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> GEORGIA </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_PA" xlink:type="locator" xlink:label="stpr_PA"/>
<link:label xml:lang="en-US" xlink:label="stpr_PA_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Pennsylvania [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="stpr_PA" xlink:to="stpr_PA_lbl"/>
<link:label xml:lang="en-US" xlink:label="stpr_PA_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> PENNSYLVANIA </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_LA" xlink:type="locator" xlink:label="stpr_LA"/>
<link:label xml:lang="en-US" xlink:label="stpr_LA_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Louisiana [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="stpr_LA" xlink:to="stpr_LA_lbl"/>
<link:label xml:lang="en-US" xlink:label="stpr_LA_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> LOUISIANA </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_NC" xlink:type="locator" xlink:label="stpr_NC"/>
<link:label xml:lang="en-US" xlink:label="stpr_NC_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> North Carolina [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="stpr_NC" xlink:to="stpr_NC_lbl"/>
<link:label xml:lang="en-US" xlink:label="stpr_NC_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> NORTH CAROLINA </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_IL" xlink:type="locator" xlink:label="stpr_IL"/>
<link:label xml:lang="en-US" xlink:label="stpr_IL_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Illinois [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="stpr_IL" xlink:to="stpr_IL_lbl"/>
<link:label xml:lang="en-US" xlink:label="stpr_IL_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> ILLINOIS </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_VA" xlink:type="locator" xlink:label="stpr_VA"/>
<link:label xml:lang="en-US" xlink:label="stpr_VA_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Virginia [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="stpr_VA" xlink:to="stpr_VA_lbl"/>
<link:label xml:lang="en-US" xlink:label="stpr_VA_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> VIRGINIA </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_MN" xlink:type="locator" xlink:label="stpr_MN"/>
<link:label xml:lang="en-US" xlink:label="stpr_MN_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Minnesota [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="stpr_MN" xlink:to="stpr_MN_lbl"/>
<link:label xml:lang="en-US" xlink:label="stpr_MN_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> MINNESOTA </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_WI" xlink:type="locator" xlink:label="stpr_WI"/>
<link:label xml:lang="en-US" xlink:label="stpr_WI_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Wisconsin [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="stpr_WI" xlink:to="stpr_WI_lbl"/>
<link:label xml:lang="en-US" xlink:label="stpr_WI_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> WISCONSIN </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_SC" xlink:type="locator" xlink:label="stpr_SC"/>
<link:label xml:lang="en-US" xlink:label="stpr_SC_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> South Carolina [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="stpr_SC" xlink:to="stpr_SC_lbl"/>
<link:label xml:lang="en-US" xlink:label="stpr_SC_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> SOUTH CAROLINA </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_AllOtherStatesMember" xlink:type="locator" xlink:label="amsf_AllOtherStatesMember"/>
<link:label xml:lang="en-US" xlink:label="amsf_AllOtherStatesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> All Other States [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_AllOtherStatesMember" xlink:to="amsf_AllOtherStatesMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_AllOtherStatesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> All Others [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AllOtherStatesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> All Other States [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfPremiumsEarnedNetBySegmentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Schedule Of Premiums Earned Net By Segment [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ScheduleOfPremiumsEarnedNetBySegmentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Schedule Of Premiums Earned Net By Segment [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PremiumsEarnedPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Premium earned percentage </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_PremiumsEarnedPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Premiums Earned Percentage </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:type="locator" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value By Balance Sheet Grouping [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByBalanceSheetGroupingTable" xlink:to="us-gaap_FairValueByBalanceSheetGroupingTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value By Balance Sheet Grouping [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:type="locator" xlink:label="us-gaap_FairValueByMeasurementBasisAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByMeasurementBasisAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Measurement Basis </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByMeasurementBasisAxis" xlink:to="us-gaap_FairValueByMeasurementBasisAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByMeasurementBasisAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value By Measurement Basis [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:type="locator" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Disclosure Item Amounts [Default] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:to="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Portion At Fair Value Fair Value Disclosure [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:type="locator" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Measurement </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosureItemAmountsDomain" xlink:to="us-gaap_FairValueDisclosureItemAmountsDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Disclosure Item Amounts [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:type="locator" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Carrying Amount [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:to="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Carrying Reported Amount Fair Value Disclosure [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:type="locator" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:to="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Estimate Of Fair Value Fair Value Disclosure [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:type="locator" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:to="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel"> Fixed maturity securities—held to maturity </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel"> Fixed maturity securities—available-for-sale </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel"> Equity securities </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_MarketableSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel"> Short-term investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Cash and cash equivalents </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:to="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Cash And Cash Equivalents Fair Value Disclosure </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_AvailableForSaleSecuritiesDebtSecuritiesAndEquitySecuritiesFvNi" xlink:type="locator" xlink:label="amsf_AvailableForSaleSecuritiesDebtSecuritiesAndEquitySecuritiesFvNi"/>
<link:label xml:lang="en-US" xlink:label="amsf_AvailableForSaleSecuritiesDebtSecuritiesAndEquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Available for sale securities debt securities and equity securities Fv-Ni. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_AvailableForSaleSecuritiesDebtSecuritiesAndEquitySecuritiesFvNi" xlink:to="amsf_AvailableForSaleSecuritiesDebtSecuritiesAndEquitySecuritiesFvNi_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:type="locator" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Measurement Frequency </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="us-gaap_FairValueByMeasurementFrequencyAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value By Measurement Frequency [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Measurement Frequency </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="us-gaap_FairValueMeasurementFrequencyDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Measurement Frequency [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementsRecurringMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value, Measurements, Recurring [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsRecurringMember" xlink:to="us-gaap_FairValueMeasurementsRecurringMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Measurements Recurring [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:type="locator" xlink:label="us-gaap_FairValueByAssetClassAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByAssetClassAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Asset Class </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByAssetClassAxis" xlink:to="us-gaap_FairValueByAssetClassAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByAssetClassAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value By Asset Class [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Asset Class </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USTreasurySecuritiesMember" xlink:type="locator" xlink:label="us-gaap_USTreasurySecuritiesMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> U.S. Treasury Securities [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_USTreasurySecuritiesMember" xlink:to="us-gaap_USTreasurySecuritiesMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> U S Treasury Securities [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:type="locator" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Hierarchy and NAV </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value By Fair Value Hierarchy Level [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Hierarchy and NAV </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Measurements Fair Value Hierarchy [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:type="locator" xlink:label="us-gaap_FairValueInputsLevel1Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value, Inputs, Level 1 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="us-gaap_FairValueInputsLevel1Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Inputs Level1 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:type="locator" xlink:label="us-gaap_FairValueInputsLevel2Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value, Inputs, Level 2 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="us-gaap_FairValueInputsLevel2Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Inputs Level2 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:type="locator" xlink:label="us-gaap_FairValueInputsLevel3Member"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value, Inputs, Level 3 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="us-gaap_FairValueInputsLevel3Member_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Inputs Level3 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel"> Available-for-sale—fixed maturity, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel"> Equity securities, Fair Value </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AvailableForSaleSecuritiesDebtSecuritiesAndEquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel"> Total </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_AvailableForSaleSecuritiesDebtSecuritiesAndEquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Available For Sale Securities Debt Securities And Equity Securities Fv Ni </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember" xlink:type="locator" xlink:label="us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Obligations of U.S. Government Agencies [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember" xlink:to="us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> U S Government Sponsored Enterprises Debt Securities [Member] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_HeldToMaturitySecuritiesFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Securities held-to-maturity-fixed maturity, Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel"> Balance, beginning of period </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Transfer into Level 3 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unrealized loss on equity security </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Sale of equity security </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel"> Balance, end of period </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ComprehensiveIncomeNetOfTaxBeforeReclassificationOfAccountingStandardsUpdate" xlink:type="locator" xlink:label="amsf_ComprehensiveIncomeNetOfTaxBeforeReclassificationOfAccountingStandardsUpdate"/>
<link:label xml:lang="en-US" xlink:label="amsf_ComprehensiveIncomeNetOfTaxBeforeReclassificationOfAccountingStandardsUpdate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Comprehensive income net of tax before reclassification of accounting standards update. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ComprehensiveIncomeNetOfTaxBeforeReclassificationOfAccountingStandardsUpdate" xlink:to="amsf_ComprehensiveIncomeNetOfTaxBeforeReclassificationOfAccountingStandardsUpdate_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Net realized gains (losses) on investments </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_Revenues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Total revenues </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Earnings per share: </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Comprehensive income </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ComprehensiveIncomeNetOfTaxBeforeReclassificationOfAccountingStandardsUpdate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Comprehensive income </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ComprehensiveIncomeNetOfTaxBeforeReclassificationOfAccountingStandardsUpdate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Comprehensive Income Net Of Tax Before Reclassification Of Accounting Standards Update </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_ShareRepurchasesPricePaidPerShare" xlink:type="locator" xlink:label="amsf_ShareRepurchasesPricePaidPerShare"/>
<link:label xml:lang="en-US" xlink:label="amsf_ShareRepurchasesPricePaidPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Share repurchases price paid per dhare. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_ShareRepurchasesPricePaidPerShare" xlink:to="amsf_ShareRepurchasesPricePaidPerShare_lbl"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1" xlink:type="locator" xlink:label="us-gaap_StockRepurchaseProgramAuthorizedAmount1"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockRepurchaseProgramAuthorizedAmount1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Share repurchase program, new limit amount </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockRepurchaseProgramAuthorizedAmount1" xlink:to="us-gaap_StockRepurchaseProgramAuthorizedAmount1_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockRepurchaseProgramAuthorizedAmount1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Repurchase Program Authorized Amount1 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:type="locator" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares repurchased under the program </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockRepurchasedDuringPeriodShares" xlink:to="us-gaap_StockRepurchasedDuringPeriodShares_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Stock Repurchased During Period Shares </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockShares_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares repurchased </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares repurchased, value </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ShareRepurchasesPricePaidPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shares repurchased, average price </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_ShareRepurchasesPricePaidPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Share Repurchases Price Paid Per Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsPayableAmountPerShare" xlink:type="locator" xlink:label="us-gaap_DividendsPayableAmountPerShare"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendsPayableAmountPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Quarterly dividend per share </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPayableAmountPerShare" xlink:to="us-gaap_DividendsPayableAmountPerShare_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendsPayableAmountPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Dividends Payable Amount Per Share </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_SpecialCashDividendDeclaredPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Extraordinary dividends declared per share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTable" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Subsequent Event [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsequentEventTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Event [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Subsequent Event Type </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Event Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:type="locator" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Subsequent Event Type </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventTypeDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Event Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventMember" xlink:type="locator" xlink:label="us-gaap_SubsequentEventMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Subsequent Event [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventMember" xlink:to="us-gaap_SubsequentEventMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Event [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsAxis" xlink:type="locator" xlink:label="us-gaap_DividendsAxis"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Dividends </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsAxis" xlink:to="us-gaap_DividendsAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Dividends [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsDomain" xlink:type="locator" xlink:label="us-gaap_DividendsDomain"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Dividends </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsDomain" xlink:to="us-gaap_DividendsDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Dividends [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendDeclaredMember" xlink:type="locator" xlink:label="us-gaap_DividendDeclaredMember"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendDeclaredMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Dividend Declared [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendDeclaredMember" xlink:to="us-gaap_DividendDeclaredMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendDeclaredMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Dividend Declared [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:type="locator" xlink:label="us-gaap_SubsequentEventLineItems"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Subsequent Event [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_SubsequentEventLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Subsequent Event [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendsPayableAmountPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Cash dividend per share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:type="locator" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Date of payment for dividend </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:to="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Dividend Payable Date To Be Paid Day Month And Year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:type="locator" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Date of record for dividend payment </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:to="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Dividends Payable Date Of Record Day Month And Year </link:label>
<link:loc xlink:href="amsf-20191231.xsd#amsf_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract" xlink:type="locator" xlink:label="amsf_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract"/>
<link:label xml:lang="en-US" xlink:label="amsf_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation"> Stockholders Equity Excluding Portion Attributable To Subsidiaries Noncontrolling Interest [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="amsf_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract" xlink:to="amsf_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract_lbl"/>
<link:label xml:lang="en-US" xlink:label="amsf_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Stockholders Equity Excluding Portion Attributable To Subsidiaries Noncontrolling Interest [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedBalanceSheetStatementTable" xlink:type="locator" xlink:label="srt_CondensedBalanceSheetStatementTable"/>
<link:label xml:lang="en-US" xlink:label="srt_CondensedBalanceSheetStatementTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Condensed Balance Sheet Statement [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CondensedBalanceSheetStatementTable" xlink:to="srt_CondensedBalanceSheetStatementTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_CondensedBalanceSheetStatementTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Condensed Balance Sheet Statement [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:type="locator" xlink:label="srt_ConsolidatedEntitiesAxis"/>
<link:label xml:lang="en-US" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Consolidated Entities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ConsolidatedEntitiesAxis" xlink:to="srt_ConsolidatedEntitiesAxis_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Consolidated Entities [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:type="locator" xlink:label="srt_ConsolidatedEntitiesDomain"/>
<link:label xml:lang="en-US" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Consolidated Entities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ConsolidatedEntitiesDomain" xlink:to="srt_ConsolidatedEntitiesDomain_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Consolidated Entities [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ParentCompanyMember" xlink:type="locator" xlink:label="srt_ParentCompanyMember"/>
<link:label xml:lang="en-US" xlink:label="srt_ParentCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Parent Company [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ParentCompanyMember" xlink:to="srt_ParentCompanyMember_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_ParentCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Parent Company [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedBalanceSheetStatementsCaptionsLineItems" xlink:type="locator" xlink:label="srt_CondensedBalanceSheetStatementsCaptionsLineItems"/>
<link:label xml:lang="en-US" xlink:label="srt_CondensedBalanceSheetStatementsCaptionsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Condensed Balance Sheet Statements, Captions [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CondensedBalanceSheetStatementsCaptionsLineItems" xlink:to="srt_CondensedBalanceSheetStatementsCaptionsLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_CondensedBalanceSheetStatementsCaptionsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Condensed Balance Sheet Statements Captions [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel"> Fixed maturity securities—available-for-sale, at fair value (amortized cost $7,210 and $0, in 2019 and 2018, respectively) </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_EquitySecuritiesFvNi_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel"> Equity securities, at fair value (cost $10,007 in 2019 and 2018) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValue" xlink:type="locator" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValue"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Investment in subsidiaries </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValue" xlink:to="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValue_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Investments In And Advances To Affiliates At Fair Value </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred income taxes </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesReceivableRelatedParties" xlink:type="locator" xlink:label="us-gaap_NotesReceivableRelatedParties"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NotesReceivableRelatedParties_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Notes receivable from subsidiaries </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesReceivableRelatedParties" xlink:to="us-gaap_NotesReceivableRelatedParties_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_NotesReceivableRelatedParties_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Notes Receivable Related Parties </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReceivable" xlink:type="locator" xlink:label="us-gaap_IncomeTaxReceivable"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Federal income tax recoverable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReceivable" xlink:to="us-gaap_IncomeTaxReceivable_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Tax Receivable </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred income taxes </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:to="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Deferred Income Tax Liabilities Net </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Shareholders' equity (net of Treasury stock of $22,370 at December 31, 2019 and 2018) </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Net of Treasury stock </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedIncomeStatementTable" xlink:type="locator" xlink:label="srt_CondensedIncomeStatementTable"/>
<link:label xml:lang="en-US" xlink:label="srt_CondensedIncomeStatementTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Condensed Income Statement [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CondensedIncomeStatementTable" xlink:to="srt_CondensedIncomeStatementTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_CondensedIncomeStatementTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Condensed Income Statement [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedIncomeStatementsCaptionsLineItems" xlink:type="locator" xlink:label="srt_CondensedIncomeStatementsCaptionsLineItems"/>
<link:label xml:lang="en-US" xlink:label="srt_CondensedIncomeStatementsCaptionsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Condensed Income Statements Captions [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CondensedIncomeStatementsCaptionsLineItems" xlink:to="srt_CondensedIncomeStatementsCaptionsLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_CondensedIncomeStatementsCaptionsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Condensed Income Statements Captions [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:type="locator" xlink:label="us-gaap_OtherCostAndExpenseOperating"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherCostAndExpenseOperating_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Other operating costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherCostAndExpenseOperating" xlink:to="us-gaap_OtherCostAndExpenseOperating_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_OtherCostAndExpenseOperating_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Other Cost And Expense Operating </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="locator" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Income (loss) before income taxes and equity in earnings of subsidiaries </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Income tax expense (benefit) </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_IncomeLossFromContinuingOperationsBeforeMinorityInterestAndIncomeLossFromEquityMethodInvestmentsNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel"> Gain (loss) before equity in earnings of subsidiaries </link:label>
<link:label xml:lang="en-US" xlink:label="amsf_IncomeLossFromContinuingOperationsBeforeMinorityInterestAndIncomeLossFromEquityMethodInvestmentsNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Loss From Continuing Operations Before Minority Interest And Income Loss From Equity Method Investments Net Of Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:type="locator" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromEquityMethodInvestments" xlink:to="us-gaap_IncomeLossFromEquityMethodInvestments_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Income Loss From Equity Method Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedCashFlowStatementTable" xlink:type="locator" xlink:label="srt_CondensedCashFlowStatementTable"/>
<link:label xml:lang="en-US" xlink:label="srt_CondensedCashFlowStatementTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Condensed Cash Flow Statement [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CondensedCashFlowStatementTable" xlink:to="srt_CondensedCashFlowStatementTable_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_CondensedCashFlowStatementTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Condensed Cash Flow Statement [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedCashFlowStatementsCaptionsLineItems" xlink:type="locator" xlink:label="srt_CondensedCashFlowStatementsCaptionsLineItems"/>
<link:label xml:lang="en-US" xlink:label="srt_CondensedCashFlowStatementsCaptionsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Condensed Cash Flow Statements Captions [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CondensedCashFlowStatementsCaptionsLineItems" xlink:to="srt_CondensedCashFlowStatementsCaptionsLineItems_lbl"/>
<link:label xml:lang="en-US" xlink:label="srt_CondensedCashFlowStatementsCaptionsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Condensed Cash Flow Statements Captions [Line Items] </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net cash provided by operating activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquireInvestments"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Purchases of investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireInvestments" xlink:to="us-gaap_PaymentsToAcquireInvestments_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Payments To Acquire Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments" xlink:type="locator" xlink:label="us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Proceeds from sales of investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments" xlink:to="us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Proceeds From Sale Maturity And Collections Of Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashDividendsPaidToParentCompany" xlink:type="locator" xlink:label="us-gaap_CashDividendsPaidToParentCompany"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CashDividendsPaidToParentCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Dividends from subsidiary </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashDividendsPaidToParentCompany" xlink:to="us-gaap_CashDividendsPaidToParentCompany_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_CashDividendsPaidToParentCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Cash Dividends Paid To Parent Company </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDeferredPolicyAcquisitionCosts" xlink:type="locator" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDeferredPolicyAcquisitionCosts"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDeferredPolicyAcquisitionCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Deferred Policy Acquisition Costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDeferredPolicyAcquisitionCosts" xlink:to="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDeferredPolicyAcquisitionCosts_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDeferredPolicyAcquisitionCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Information For Property Casualty Insurance Underwriters Deferred Policy Acquisition Costs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersReservesForUnpaidClaimsAndClaimsAdjustmentExpense" xlink:type="locator" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersReservesForUnpaidClaimsAndClaimsAdjustmentExpense"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersReservesForUnpaidClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Reserves for Unpaid Loss and Loss Adjustment Expense </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersReservesForUnpaidClaimsAndClaimsAdjustmentExpense" xlink:to="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersReservesForUnpaidClaimsAndClaimsAdjustmentExpense_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersReservesForUnpaidClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Information For Property Casualty Insurance Underwriters Reserves For Unpaid Claims And Claims Adjustment Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersUnearnedPremiums" xlink:type="locator" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersUnearnedPremiums"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersUnearnedPremiums_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Unearned Premium </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersUnearnedPremiums" xlink:to="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersUnearnedPremiums_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersUnearnedPremiums_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Information For Property Casualty Insurance Underwriters Unearned Premiums </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersEarnedPremiums" xlink:type="locator" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersEarnedPremiums"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersEarnedPremiums_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net Premiums Earned </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersEarnedPremiums" xlink:to="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersEarnedPremiums_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersEarnedPremiums_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Information For Property Casualty Insurance Underwriters Earned Premiums </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersNetInvestmentIncome" xlink:type="locator" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersNetInvestmentIncome"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersNetInvestmentIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel"> Net Investment Income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersNetInvestmentIncome" xlink:to="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersNetInvestmentIncome_lbl"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersNetInvestmentIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Information For Property Casualty Insurance Underwriters Net Investment Income </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Loss and LAE Related to Current Period </link:label>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel"> Loss and LAE Related to Prior Periods </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAmortizationOfDeferredPolicyAcquisitionCosts" xlink:type="locator" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAmortizationOfDeferredPolicyAcquisitionCosts"/>
<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAmortizationOfDeferredPolicyAcquisitionCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel"> Amortization of Deferred Policy Acquisition Costs </link:label>
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<link:label xml:lang="en-US" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPaidClaimsAndClaimsAdjustmentExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label"> Supplemental Information For Property Casualty Insurance Underwriters Paid Claims And Claims Adjustment Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPremiumsWritten" xlink:type="locator" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPremiumsWritten"/>
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4 Subsequent Filings that Reference this Filing

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

 2/23/24  Amerisafe Inc.                    10-K       12/31/23  125:22M                                    Donnelley … Solutions/FA
 2/21/23  Amerisafe Inc.                    10-K       12/31/22  128:32M                                    Donnelley … Solutions/FA
 2/25/22  Amerisafe Inc.                    10-K       12/31/21  127:28M                                    ActiveDisclosure/FA
 2/26/21  Amerisafe Inc.                    10-K       12/31/20  130:30M                                    ActiveDisclosure/FA
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