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Ambac Financial Group Inc – ‘10-K’ for 12/31/19 – ‘EX-101.DEF’

On:  Monday, 3/2/20, at 5:19pm ET   ·   For:  12/31/19   ·   Accession #:  874501-20-34   ·   File #:  1-10777

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

 3/02/20  Ambac Financial Group Inc         10-K       12/31/19  152:36M

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   4.76M 
 2: EX-3.2      Articles of Incorporation/Organization or Bylaws    HTML    204K 
 3: EX-10.21    Material Contract                                   HTML     80K 
 4: EX-10.45    Material Contract                                   HTML    282K 
 5: EX-10.46    Material Contract                                   HTML    158K 
 6: EX-21.1     Subsidiaries List                                   HTML     50K 
 7: EX-23.1     Consent of Experts or Counsel                       HTML     47K 
 8: EX-24.1     Power of Attorney                                   HTML     59K 
 9: EX-31.1     Certification -- §302 - SOA'02                      HTML     54K 
10: EX-31.2     Certification -- §302 - SOA'02                      HTML     54K 
11: EX-32.1     Certification -- §906 - SOA'02                      HTML     51K 
55: R1          Document and Entity Information                     HTML    118K 
139: R2          Consolidated Balance Sheets                         HTML    169K  
88: R3          Consolidated Balance Sheets (Parenthetical)         HTML     90K 
34: R4          Consolidated Statements of Total Comprehensive      HTML    165K 
                Income                                                           
53: R5          Consolidated Statements of Total Comprehensive      HTML     49K 
                Income (Parenthetical)                                           
138: R6          Consolidated Statements of Cash Flows               HTML    196K  
87: R7          Consolidated Statements of Stockholders' Equity     HTML     82K 
36: R8          Leases Statement                                    HTML    107K 
50: R9          Background and Business Description                 HTML     91K 
133: R10         Basis of Presentation and Significant Accounting    HTML    186K  
                Policies (Notes)                                                 
116: R11         Variable Interest Entities                          HTML    259K  
32: R12         Comprehensive Income                                HTML    148K 
82: R13         Net Income Per Share                                HTML     81K 
134: R14         Financial Guarantees in Force (Notes)               HTML    100K  
117: R15         Financial Guarantee Insurance Contracts             HTML    542K  
33: R16         Insurance Regulatory Restrictions (Notes)           HTML     79K 
83: R17         Fair Value Measurements                             HTML    767K 
135: R18         Investments                                         HTML    455K  
115: R19         Derivative Instruments                              HTML    224K  
37: R20         Loans (Notes)                                       HTML     51K 
51: R21         Long-Term Debt (Notes)                              HTML    123K 
140: R22         Income Taxes                                        HTML    205K  
85: R23         Employment Benefit Plans (Notes)                    HTML    148K 
38: R24         Leases (Notes)                                      HTML     88K 
52: R25         Commitments and Contingencies                       HTML    157K 
141: R26         Quarterly Information (Unaudited) (Notes)           HTML    163K  
86: R27         Basis of Presentation and Significant Accounting    HTML    217K 
                Policies (Policies)                                              
35: R28         Basis of Presentation and Significant Accounting    HTML    197K 
                Policies Recently Adopted and Recently Issued                    
                Accounting Standards (Policies)                                  
56: R29         Basis of Presentation and Significant Accounting    HTML     88K 
                Policies Supplemental Cash Flow Information                      
                (Tables)                                                         
81: R30         Variable Interest Entities (Tables)                 HTML    229K 
30: R31         Comprehensive Income (Tables)                       HTML    149K 
119: R32         Net Income Per Share (Tables)                       HTML     76K  
137: R33         Financial Guarantees in Force (Tables)              HTML     96K  
80: R34         Financial Guarantee Insurance Contracts (Tables)    HTML    537K 
29: R35         Fair Value Measurements (Tables)                    HTML    728K 
118: R36         Investments (Tables)                                HTML    454K  
136: R37         Derivative Instruments (Tables)                     HTML    221K  
79: R38         Long-Term Debt (Tables)                             HTML     99K 
31: R39         Income Taxes (Tables)                               HTML    212K 
66: R40         Employment Benefit Plans (Tables)                   HTML    130K 
48: R41         Leases (Tables)                                     HTML     93K 
91: R42         Quarterly Information (Unaudited) (Tables)          HTML    281K 
143: R43         Background and Business Description - Additional    HTML     90K  
                Information (Detail)                                             
65: R44         Background and Business Description Rehabilitation  HTML    131K 
                Exit Support Agreement (Details)                                 
47: R45         Background and Business Description Tier 2          HTML     46K 
                Commitment (Details)                                             
89: R46         Background and Business Description AMPS Exchange   HTML     92K 
                (Details)                                                        
142: R47         Basis of Presentation and Significant Accounting    HTML    120K  
                Policies Additional Information (Details)                        
64: R48         Basis of Presentation and Significant Accounting    HTML     54K 
                Policies FX gain (Loss) (Details)                                
49: R49         Basis of Presentation and Significant Accounting    HTML     46K 
                Policies Goodwill (Details)                                      
26: R50         Basis of Presentation and Significant Accounting    HTML     58K 
                Policies Noncontrolling Interest (Details)                       
74: R51         Basis of Presentation and Significant Accounting    HTML     50K 
                Policies Incentive Compensation (Details)                        
121: R52         Basis of Presentation and Significant Accounting    HTML     49K  
                Policies Adoption of New Accounting Standards                    
                (Details)                                                        
101: R53         Basis of Presentation and Significant Accounting    HTML     71K  
                Policies Supplemental Cash Flow Information                      
                (Details)                                                        
27: R54         Variable Interest Entities - Additional             HTML    169K 
                Information (Detail)                                             
77: R55         Variable Interest Entities - Summary of Fair Value  HTML     57K 
                of Fixed Income Securities, by Asset-Type, Held by               
                Consolidated Variable Interest Entities (Detail)                 
124: R56         Variable Interest Entities - Supplemental           HTML     56K  
                Information about Loans Held as Assets and                       
                Long-Term Debt Associated with Consolidated                      
                Variable Interest Entities (Detail)                              
102: R57         Variable Interest Entities - Summary of Carrying    HTML     81K  
                Amount of Assets, Liabilities and Maximum Exposure               
                to Loss of Ambac's Variable Interests in                         
                Non-Consolidated Variable Interest Entities                      
                (Detail)                                                         
24: R58         Variable Interest Entities Variable Interest        HTML    114K 
                Entity - Change in Fair Value of Assets and                      
                Liabilities (Details)                                            
78: R59         Variable Interest Entities Variabile Interest       HTML     55K 
                Entities - Carry Value of Secured Notes from LSNI                
                (Details)                                                        
146: R60         Comprehensive Income - Schedule of Changes in       HTML     91K  
                Balances of Each Component of Accumulated Other                  
                Comprehensive Income (Detail)                                    
94: R61         Comprehensive Income - Schedule of Amounts          HTML     96K 
                Reclassed Out of Each Component of Accumulated                   
                Other Comprehensive Income (Detail)                              
40: R62         Net Income Per Share - Additional Information       HTML     86K 
                (Detail)                                                         
59: R63         Net Income Per Share - Reconciliation of Common     HTML     83K 
                Shares Used for Basic and Diluted Earnings Per                   
                Share (Detail)                                                   
149: R64         Financial Guarantees in Force - Additional          HTML     77K  
                Information (Detail)                                             
99: R65         Financial Guarantees in Force - Summary of          HTML     87K 
                Financial Guarantee Portfolio Diversification by                 
                Type of Guaranteed Bond (Detail)                                 
45: R66         Financial Guarantees in Force - Summary of          HTML     63K 
                International Finance Guaranteed Portfolio                       
                (Detail)                                                         
62: R67         Financial Guarantee Insurance Contracts -           HTML    156K 
                Additional Information (Detail)                                  
151: R68         Financial Guarantee Insurance Contracts - Summary   HTML     79K  
                of Gross Premium Receivable Roll-Forward (Direct                 
                and Assumed Contracts) (Detail)                                  
92: R69         Financial Guarantee Insurance Contracts - Effect    HTML     81K 
                of Reinsurance on Premiums Written and Earned                    
                (Detail)                                                         
111: R70         Financial Guarantee Insurance Contracts -           HTML    129K  
                Summarized Future Gross Undiscounted Premiums                    
                Expected to be Collected, and Future Expected                    
                Premiums Earned, Net of Reinsurance (Detail)                     
132: R71         Financial Guarantee Insurance Contracts Financial   HTML     74K  
                Guarantee Insurance Contracts - Components of Loss               
                and Loss Expense Reserves and Subrogation                        
                Recoverable (Details)                                            
72: R72         Financial Guarantee Insurance Contracts - Summary   HTML    105K 
                of Loss Reserve Roll-Forward, Net of Subrogation                 
                Recoverable and Reinsurance (Detail)                             
22: R73         Financial Guarantee Insurance Contracts - Summary   HTML    177K 
                of Information Related to Policies Currently                     
                Included in Ambac's Loss Reserves or Subrogation                 
                Recoverable (Detail)                                             
107: R74         Financial Guarantee Insurance Contracts - Summary   HTML     78K  
                of Information Related to Policies Currently                     
                Included in Ambac's Loss Reserves or Subrogation                 
                Recoverable (Detail2)                                            
127: R75         Financial Guarantee Insurance Contracts - Summary   HTML     54K  
                of Balance of RMBS Subrogation Recoveries and                    
                Related Claim Liabilities, by Estimation Approach                
                (Detail)                                                         
67: R76         Financial Guarantee Insurance Contracts - Summary   HTML     56K 
                of Rollforward of RMBS Subrogation, by Estimation                
                Approach (Detail)                                                
19: R77         Financial Guarantee Insurance Contracts -           HTML     80K 
                Estimated Future Amortization Expense for                        
                Insurance Intangible Asset (Detail)                              
114: R78         Financial Guarantee Insurance - Summary of          HTML     60K  
                Percentage Ceded to Reinsurers and Reinsurance                   
                Recoverable and Rating Levels (Detail)                           
126: R79         Financial Guarantee Insurance Contracts Financial   HTML     61K  
                Guarantee Insurance Contracts Earned Premiums by                 
                Geographic Location (Details)                                    
110: R80         Insurance Regulatory Restrictions Additional        HTML     77K  
                Details (Details)                                                
130: R81         Fair Value Measurements - Summary of Carrying       HTML    276K  
                Amount and Fair Value of Ambac's Financial Assets                
                and Liabilities (Detail)                                         
70: R82         Fair Value Measurements - Additional Information    HTML     99K 
                (Detail)                                                         
21: R83         Fair Value Measurements - Information about         HTML     80K 
                Valuation Inputs for Fixed Income Securities                     
                Classified as Level 3 (Detail)                                   
108: R84         Fair Value Measurements - Summary of Information    HTML     51K  
                about Described Model Inputs Used to Determine                   
                Fair Value of Each Class of Credit Derivatives                   
                (Detail)                                                         
129: R85         Fair Value Measurements - Summary of Information    HTML     51K  
                about Described Model Inputs Used to Determine                   
                Fair Value of Each Class of Credit Derivatives                   
                (Detail2)                                                        
69: R86         Fair Value Measurements - Information about         HTML     87K 
                Valuation Inputs for Variable Interest Entity                    
                Assets and Liabilities Classified as Level 3                     
                (Detail)                                                         
20: R87         Fair Value Measurements - Summary of Changes in     HTML    225K 
                Level 3 Fair Value Category (Detail)                             
113: R88         Fair Value Measurements - Summary of Gains and      HTML     70K  
                Losses (Realized and Unrealized) Relating to Level               
                3 Assets and Liabilities Included in Earnings                    
                (Detail)                                                         
125: R89         Investments - Summary of Amortized Cost and         HTML    121K  
                Estimated Fair Value of Available-for-Sale                       
                Investments, Excluding VIE Investments (Detail)                  
147: R90         Investments - Summary of Amortized Cost and         HTML     98K  
                Estimated Fair Value of Available-for-Sale                       
                Investments, Excluding VIE Investments Held by                   
                Successor Ambac, by Contractual Maturity (Detail)                
96: R91         Investments - Summary of Gross Unrealized Losses    HTML    122K 
                and Fair Values of Ambac's Available-for-Sale                    
                Investments (Detail)                                             
42: R92         Investments - Additional Information (Detail)       HTML     89K 
60: R93         Investments - Summary of Amounts Included in Net    HTML     65K 
                Realized (Losses) Gains and Other-Than-Temporary                 
                Impairments (Detail)                                             
148: R94         Investments - Summary of Roll-Forward of Ambac's    HTML     63K  
                Cumulative Credit Losses on Debt Securities for                  
                Which Portion of Other-than-Temporary Impairment                 
                was Recognized in Other Comprehensive Income                     
                (Detail)                                                         
97: R95         Investments - Summary of Sources of Collateral      HTML     50K 
                Received and Various Investment Agreement in which               
                Collateral Pledged (Detail)                                      
43: R96         Investments - Summary of Fair Value, Including      HTML     83K 
                Financial Guarantee, and Weighted-Average                        
                Underlying Rating, Excluding Financial Guarantee,                
                of Insured Securities (Detail)                                   
61: R97         Investments - Summary of Fair Value, Including      HTML     49K 
                Financial Guarantee, and Weighted-Average                        
                Underlying Rating, Excluding Financial Guarantee,                
                of Insured Securities (Detail2)                                  
152: R98         Investments - Summary of Net Investment Income      HTML     81K  
                (Detail)                                                         
93: R99         Derivative Instruments - Summary of Gross Fair      HTML    109K 
                Values of Individual Derivative Instruments                      
                (Detail)                                                         
71: R100        Derivative Instruments - Additional Information     HTML     71K 
                (Detail)                                                         
23: R101        Derivative Instruments - Summary of Location and    HTML     77K 
                Amount of Gains and Losses of Derivative Contracts               
                (Detail)                                                         
112: R102        Derivative Instruments - Summarize Information by   HTML     58K  
                Major Category of CDS Contracts (Detail)                         
131: R103        Derivative Instruments - Summary of Notional        HTML     54K  
                Amounts of AFS's Trading Derivative Products                     
                (Detail)                                                         
68: R104        Derivative Instruments - Summary of Notional for    HTML     59K 
                VIE Derivatives Outstanding (Detail)                             
18: R105        Loans (Details)                                     HTML     56K 
106: R106        Long-Term Debt (Details)                            HTML    212K  
128: R107        Income Taxes - Additional Information (Detail)      HTML     75K  
73: R108        Income Taxes - Significant Portions of Deferred     HTML     87K 
                Tax Liabilities and Deferred Tax Assets (Detail)                 
17: R109        Income Taxes Income Taxes - Provision for Income    HTML     69K 
                Taxes Charged To Income From Continuing Operations               
                (Details)                                                        
41: R110        Income Taxes Income Taxes - Effect of Income Taxes  HTML     64K 
                on Net Income and Stockholders' Equity (Details)                 
58: R111        Income Taxes Income Taxes - Effective Tax Rates     HTML    117K 
                Differing From Prevailing Federal Corporate Income               
                Tax Rates (Details)                                              
145: R112        Income Taxes Income Taxes - Reconciliation of       HTML     63K  
                Unrecognized Tax Benefits (Details)                              
95: R113        Income Taxes Income Taxes - NOL Usage Table         HTML    112K 
                (Details)                                                        
44: R114        Income Taxes Schedule of Income Before Income       HTML     57K 
                Taxes (Details)                                                  
63: R115        Income Taxes Impact of New Tax Legislation          HTML     53K 
                (Details)                                                        
150: R116        Employment Benefit Plans Postretirement Health      HTML     76K  
                Care and Other Benefits (Details)                                
98: R117        Employment Benefit Plans Savings Plan (Details)     HTML     54K 
46: R118        Employment Benefit Plans Stock Compensation         HTML     77K 
                (Details)                                                        
57: R119        Employment Benefit Plans Stock Options (Details)    HTML     94K 
122: R120        Employment Benefit Plans Restricted Stock Units     HTML     99K  
                (Details)                                                        
100: R121        Employment Benefit Plans Performance Units          HTML    122K  
                (Details)                                                        
25: R122        Commitments and Contingencies - Additional          HTML     49K 
                Information (Detail)                                             
75: R123        Quarterly Information (unaudited) Quarterly         HTML    115K 
                Information (Unaudited) (Details)                                
123: R124        Schedule I - Summary Of Investments (Details)       HTML     90K  
103: R125        Schedule II - Condensed Financial Information of    HTML    143K  
                Registrant (Parent Company Only) - Condensed                     
                Balance Sheet (Detail)                                           
28: R126        Schedule II - Condensed Financial Information of    HTML    144K 
                Registrant (Parent Company Only) - Condensed                     
                Statement of Total Comprehensive Income (Detail)                 
76: R127        Schedule II - Condensed Financial Information of    HTML    134K 
                Registrant (Parent Company Only) - Condensed                     
                Statements of Stockholders' Equity (Detail)                      
120: R128        Schedule II - Condensed Financial Information of    HTML    158K  
                Registrant (Parent Company Only) - Condensed                     
                Statements of Cash Flows (Detail)                                
105: R129        Schedule II - Condensed Financial Information of    HTML     46K  
                Registrant (Parent Company Only) Schedule II -                   
                Condensed Financial Information of Registrant -                  
                Additional Information (Details)                                 
90: R130        Schedule II - Condensed Financial Information of    HTML     77K 
                Registrant (Parent Company Only) Schedule II -                   
                Condensed Financial Information of Registrant -                  
                Income Taxes (Details)                                           
144: R131        Schedule IV - Reinsurance (Detail)                  HTML     58K  
109: XML         IDEA XML File -- Filing Summary                      XML    299K  
84: XML         XBRL Instance -- a01-008ambcx4q19x10k_htm            XML  10.32M 
104: EXCEL       IDEA Workbook of Financial Reports                  XLSX    256K  
13: EX-101.CAL  XBRL Calculations -- ambc-20191231_cal               XML    427K 
14: EX-101.DEF  XBRL Definitions -- ambc-20191231_def                XML   3.36M 
15: EX-101.LAB  XBRL Labels -- ambc-20191231_lab                     XML   4.28M 
16: EX-101.PRE  XBRL Presentations -- ambc-20191231_pre              XML   3.55M 
12: EX-101.SCH  XBRL Schema -- ambc-20191231                         XSD    473K 
54: JSON        XBRL Instance as JSON Data -- MetaLinks              775±  1.34M 
39: ZIP         XBRL Zipped Folder -- 0000874501-20-000034-xbrl      Zip   1.23M 


‘EX-101.DEF’   —   XBRL Definitions — ambc-20191231_def


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with Wdesk from Workiva -->
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<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<link:roleRef roleURI="http://www.ambac.com/role/BackgroundAndBusinessDescription" xlink:href="ambc-20191231.xsd#BackgroundAndBusinessDescription" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BackgroundAndBusinessDescriptionAdditionalInformationDetail" xlink:href="ambc-20191231.xsd#BackgroundAndBusinessDescriptionAdditionalInformationDetail" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BackgroundAndBusinessDescriptionAmpsExchangeDetails" xlink:href="ambc-20191231.xsd#BackgroundAndBusinessDescriptionAmpsExchangeDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BackgroundAndBusinessDescriptionRehabilitationExitSupportAgreementDetails" xlink:href="ambc-20191231.xsd#BackgroundAndBusinessDescriptionRehabilitationExitSupportAgreementDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BackgroundAndBusinessDescriptionReorganizationCostsTables" xlink:href="ambc-20191231.xsd#BackgroundAndBusinessDescriptionReorganizationCostsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BackgroundAndBusinessDescriptionStipulationAndOrderDetails" xlink:href="ambc-20191231.xsd#BackgroundAndBusinessDescriptionStipulationAndOrderDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BackgroundAndBusinessDescriptionTier2CommitmentDetails" xlink:href="ambc-20191231.xsd#BackgroundAndBusinessDescriptionTier2CommitmentDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BasisOfPresentationAndSignificantAccountingPoliciesAdditionalInformationDetails" xlink:href="ambc-20191231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesAdditionalInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BasisOfPresentationAndSignificantAccountingPoliciesAdoptionOfNewAccountingStandardsDetails" xlink:href="ambc-20191231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesAdoptionOfNewAccountingStandardsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BasisOfPresentationAndSignificantAccountingPoliciesDetails" xlink:href="ambc-20191231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BasisOfPresentationAndSignificantAccountingPoliciesFxGainLossDetails" xlink:href="ambc-20191231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesFxGainLossDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BasisOfPresentationAndSignificantAccountingPoliciesGoodwillDetails" xlink:href="ambc-20191231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesGoodwillDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BasisOfPresentationAndSignificantAccountingPoliciesIncentiveCompensationDetails" xlink:href="ambc-20191231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesIncentiveCompensationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BasisOfPresentationAndSignificantAccountingPoliciesNoncontrollingInterestDetails" xlink:href="ambc-20191231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesNoncontrollingInterestDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BasisOfPresentationAndSignificantAccountingPoliciesNotes" xlink:href="ambc-20191231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesNotes" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BasisOfPresentationAndSignificantAccountingPoliciesPolicies" xlink:href="ambc-20191231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesPolicies" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BasisOfPresentationAndSignificantAccountingPoliciesRecentlyAdoptedAndRecentlyIssuedAccountingStandardsPolicies" xlink:href="ambc-20191231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesRecentlyAdoptedAndRecentlyIssuedAccountingStandardsPolicies" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BasisOfPresentationAndSignificantAccountingPoliciesSupplementalCashFlowInformationDetails" xlink:href="ambc-20191231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesSupplementalCashFlowInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BasisOfPresentationAndSignificantAccountingPoliciesSupplementalCashFlowInformationTables" xlink:href="ambc-20191231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesSupplementalCashFlowInformationTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/BasisOfPresentationAndSignificantAccountingPoliciesTables" xlink:href="ambc-20191231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/CommitmentsAndContingencies" xlink:href="ambc-20191231.xsd#CommitmentsAndContingencies" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/CommitmentsAndContingenciesAdditionalInformationDetail" xlink:href="ambc-20191231.xsd#CommitmentsAndContingenciesAdditionalInformationDetail" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/CommitmentsAndContingenciesEstimateOfFutureNetMinimumLeasePaymentsTables" xlink:href="ambc-20191231.xsd#CommitmentsAndContingenciesEstimateOfFutureNetMinimumLeasePaymentsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/ComprehensiveIncome" xlink:href="ambc-20191231.xsd#ComprehensiveIncome" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/ComprehensiveIncomeScheduleOfAmountsReclassedOutOfEachComponentOfAccumulatedOtherComprehensiveIncomeDetail" xlink:href="ambc-20191231.xsd#ComprehensiveIncomeScheduleOfAmountsReclassedOutOfEachComponentOfAccumulatedOtherComprehensiveIncomeDetail" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/ComprehensiveIncomeScheduleOfChangesInBalancesOfEachComponentOfAccumulatedOtherComprehensiveIncomeDetail" xlink:href="ambc-20191231.xsd#ComprehensiveIncomeScheduleOfChangesInBalancesOfEachComponentOfAccumulatedOtherComprehensiveIncomeDetail" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/ComprehensiveIncomeTables" xlink:href="ambc-20191231.xsd#ComprehensiveIncomeTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/ConsolidatedBalanceSheets" xlink:href="ambc-20191231.xsd#ConsolidatedBalanceSheets" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="ambc-20191231.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="ambc-20191231.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:href="ambc-20191231.xsd#ConsolidatedStatementsOfStockholdersEquity" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/ConsolidatedStatementsOfTotalComprehensiveIncome" xlink:href="ambc-20191231.xsd#ConsolidatedStatementsOfTotalComprehensiveIncome" xlink:type="simple"/>
<link:roleRef roleURI="http://www.ambac.com/role/ConsolidatedStatementsOfTotalComprehensiveIncomeParenthetical" xlink:href="ambc-20191231.xsd#ConsolidatedStatementsOfTotalComprehensiveIncomeParenthetical" xlink:type="simple"/>
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7 Subsequent Filings that Reference this Filing

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

 2/27/24  Ambac Financial Group Inc.        10-K       12/31/23  164:31M
 3/01/23  Ambac Financial Group Inc.        10-K       12/31/22  166:35M
 8/08/22  Ambac Financial Group Inc.        10-Q        6/30/22  108:25M
 2/24/22  Ambac Financial Group Inc.        10-K       12/31/21  156:33M
 3/01/21  Ambac Financial Group Inc.        10-K       12/31/20  147:32M
 8/12/20  Ambac Financial Group Inc.        S-8         8/12/20    3:91K
 8/12/20  Ambac Financial Group Inc.        S-8 POS     8/12/20    3:92K
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