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

Ambac Financial Group Inc. – ‘10-K’ for 12/31/23 – ‘EX-101.CAL’

On:  Tuesday, 2/27/24, at 4:15pm ET   ·   For:  12/31/23   ·   Accession #:  874501-24-40   ·   File #:  1-10777

Previous ‘10-K’:  ‘10-K’ on 3/1/23 for 12/31/22   ·   Latest ‘10-K’:  This Filing   ·   27 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

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

 2/27/24  Ambac Financial Group Inc.        10-K       12/31/23  164:31M

Annual Report   —   Form 10-K   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   6.16M 
 2: EX-10.38    Material Contract                                   HTML     70K 
 3: EX-21.1     Subsidiaries List                                   HTML     54K 
 4: EX-23.1     Consent of Expert or Counsel                        HTML     48K 
 5: EX-24.1     Power of Attorney                                   HTML     56K 
 9: EX-97.1     Clawback Policy re: Recovery of Erroneously         HTML     63K 
                Awarded Compensation                                             
 6: EX-31.1     Certification -- §302 - SOA'02                      HTML     52K 
 7: EX-31.2     Certification -- §302 - SOA'02                      HTML     52K 
 8: EX-32.1     Certification -- §906 - SOA'02                      HTML     51K 
15: R1          Document and Entity Information                     HTML    118K 
16: R2          Audit Information                                   HTML     54K 
17: R3          Consolidated Balance Sheets                         HTML    228K 
18: R4          Consolidated Balance Sheets (Parenthetical)         HTML     92K 
19: R5          Consolidated Statements of Total Comprehensive      HTML    193K 
                Income                                                           
20: R6          Consolidated Statements of Stockholders' Equity     HTML    104K 
21: R7          Consolidated Statements of Cash Flows               HTML    199K 
22: R8          Background and Business Description                 HTML    110K 
23: R9          Basis of Presentation and Significant Accounting    HTML    218K 
                Policies (Notes)                                                 
24: R10         Segment Reporting                                   HTML     55K 
25: R11         Investments                                         HTML    382K 
26: R12         Fair Value Measurements                             HTML    420K 
27: R13         Financial Guarantees in Force (Notes)               HTML     88K 
28: R14         Financial Guarantee Insurance Contracts             HTML     82K 
29: R15         Insurance Regulatory Restrictions (Notes)           HTML     79K 
30: R16         Derivative Instruments                              HTML    179K 
31: R17         Intangible Assets                                   HTML     99K 
32: R18         Variable Interest Entities                          HTML    198K 
33: R19         Long-Term Debt (Notes)                              HTML     92K 
34: R20         Revenue from Contract with Customer                 HTML     76K 
35: R21         Comprehensive Income                                HTML    122K 
36: R22         Net Income Per Share                                HTML     87K 
37: R23         Income Taxes                                        HTML    161K 
38: R24         Employment Benefit Plans (Notes)                    HTML     96K 
39: R25         Leases (Notes)                                      HTML     90K 
40: R26         Commitments and Contingencies                       HTML    112K 
41: R27         SEC Schedule, Article 12-04, Condensed Financial    HTML    263K 
                Information of Registrant                                        
42: R28         Pay vs Performance Disclosure                       HTML     61K 
43: R29         Insider Trading Arrangements                        HTML     54K 
44: R30         Reorganizations (Policies)                          HTML     75K 
45: R31         Basis of Presentation and Significant Accounting    HTML    240K 
                Policies (Policies)                                              
46: R32         Background and Business Description Reorganization  HTML     58K 
                Costs (Tables)                                                   
47: R33         Basis of Presentation and Significant Accounting    HTML     99K 
                Policies Supplemental Cash Flow Information                      
                (Tables)                                                         
48: R34         Investments (Tables)                                HTML    341K 
49: R35         Fair Value Measurements (Tables)                    HTML    392K 
50: R36         Financial Guarantees in Force (Tables)              HTML     87K 
51: R37         Financial Guarantee Insurance Contracts (Tables)    HTML    623K 
52: R38         Derivative Instruments (Tables)                     HTML    179K 
53: R39         Intangible Assets (Tables)                          HTML    108K 
54: R40         Variable Interest Entities (Tables)                 HTML    113K 
55: R41         Long-Term Debt (Tables)                             HTML     93K 
56: R42         Revenue from Contract with Customer (Tables)        HTML     72K 
57: R43         Comprehensive Income (Tables)                       HTML    124K 
58: R44         Net Income Per Share (Tables)                       HTML     84K 
59: R45         Income Taxes (Tables)                               HTML    183K 
60: R46         Employment Benefit Plans (Tables)                   HTML     96K 
61: R47         Leases (Tables)                                     HTML    130K 
62: R48         Background and Business Description Rehabilitation  HTML     80K 
                Exit Support Agreement (Details)                                 
63: R49         Background and Business Description Stipulation     HTML     48K 
                and Order (Details)                                              
64: R50         Background and Basis of Presentation - Surplus      HTML     63K 
                Note Exchange (Details)                                          
65: R51         Background and Business Description AMPS Exchange   HTML     60K 
                (Details)                                                        
66: R52         Background and Business Description - Additional    HTML     87K 
                Information (Detail)                                             
67: R53         Background and Business Description - Redemption    HTML     63K 
                of Notes (Details)                                               
68: R54         Background and Business Description - Settlement    HTML     65K 
                of RMBS Litigation (Details)                                     
69: R55         Basis of Presentation and Significant Accounting    HTML    122K 
                Policies Additional Information (Details)                        
70: R56         Basis of Presentation and Significant Accounting    HTML     52K 
                Policies FX gain (Loss) (Details)                                
71: R57         Basis of Presentation and Significant Accounting    HTML     57K 
                Policies Goodwill (Details)                                      
72: R58         Basis of Presentation and Significant Accounting    HTML     84K 
                Policies Noncontrolling Interest (Details)                       
73: R59         Basis of Presentation and Significant Accounting    HTML     49K 
                Policies Adoption of New Accounting Standards                    
                (Details)                                                        
74: R60         Basis of Presentation and Significant Accounting    HTML     76K 
                Policies Supplemental Cash Flow Information                      
                (Details)                                                        
75: R61         Basis of Presentation and Significant Accounting    HTML     51K 
                Policies Restricted Cash (Details)                               
76: R62         Segment Reporting (Details)                         HTML    161K 
77: R63         Investments - Summary of Amortized Cost and         HTML    121K 
                Estimated Fair Value of Available-for-Sale                       
                Investments, Excluding VIE Investments (Detail)                  
78: R64         Investments - Summary of Amortized Cost and         HTML     92K 
                Estimated Fair Value of Available-for-Sale                       
                Investments, Excluding VIE Investments Held by                   
                Successor Ambac, by Contractual Maturity (Detail)                
79: R65         Investments - Summary of Gross Unrealized Losses    HTML    162K 
                and Fair Values of Ambac's Available-for-Sale                    
                Investments (Detail)                                             
80: R66         Investments - Additional Information (Detail)       HTML    105K 
81: R67         Investments - Summary of Amounts Included in Net    HTML     66K 
                Realized (Losses) Gains and Other-Than-Temporary                 
                Impairments (Detail)                                             
82: R68         Investments - Summary of Roll-Forward of Ambac's    HTML     52K 
                Cumulative Credit Losses on Debt Securities for                  
                Which Portion of Other-than-Temporary Impairment                 
                was Recognized in Other Comprehensive Income                     
                (Detail)                                                         
83: R69         Investments - Summary of Sources of Collateral      HTML     73K 
                Received and Various Investment Agreement in which               
                Collateral Pledged (Detail)                                      
84: R70         Investments - Summary of Fair Value, Including      HTML     98K 
                Financial Guarantee, and Weighted-Average                        
                Underlying Rating, Excluding Financial Guarantee,                
                of Insured Securities (Detail2)                                  
85: R71         Investments - Summary of Net Investment Income      HTML     95K 
                (Detail)                                                         
86: R72         Investments (Details)                               HTML    103K 
87: R73         Fair Value Measurements - Summary of Carrying       HTML    310K 
                Amount and Fair Value of Ambac's Financial Assets                
                and Liabilities (Detail)                                         
88: R74         Fair Value Measurements - Additional Information    HTML     86K 
                (Detail)                                                         
89: R75         Fair Value Measurements - Information about         HTML     87K 
                Valuation Inputs for Fixed Income Securities                     
                Classified as Level 3 (Detail)                                   
90: R76         Fair Value Measurements - Summary of Information    HTML     53K 
                about Described Model Inputs Used to Determine                   
                Fair Value of Each Class of Credit Derivatives                   
                (Detail)                                                         
91: R77         Fair Value Measurements - Summary of Information    HTML     53K 
                about Described Model Inputs Used to Determine                   
                Fair Value of Each Class of Credit Derivatives                   
                (Detail2)                                                        
92: R78         Fair Value Measurements - Information about         HTML     67K 
                Valuation Inputs for Variable Interest Entity                    
                Assets and Liabilities Classified as Level 3                     
                (Detail)                                                         
93: R79         Fair Value Measurements - Summary of Changes in     HTML    139K 
                Level 3 Fair Value Category (Detail)                             
94: R80         Fair Value Measurements - Summary of Gains and      HTML     72K 
                Losses (Realized and Unrealized) Relating to Level               
                3 Assets and Liabilities Included in Earnings                    
                (Detail)                                                         
95: R81         Financial Guarantees in Force - Additional          HTML     64K 
                Information (Detail)                                             
96: R82         Financial Guarantees in Force - Summary of          HTML     88K 
                Financial Guarantee Portfolio Diversification by                 
                Type of Guaranteed Bond (Detail)                                 
97: R83         Financial Guarantees in Force - Summary of          HTML     68K 
                International Finance Guaranteed Portfolio                       
                (Detail)                                                         
98: R84         Financial Guarantee Insurance Contracts -           HTML    290K 
                Additional Information (Detail)                                  
99: R85         Financial Guarantee Insurance Contracts - Summary   HTML    261K 
                of Gross Premium Receivable Roll-Forward (Direct                 
                and Assumed Contracts) (Detail)                                  
100: R86         Financial Guarantee Insurance Contracts - Effect    HTML     78K  
                of Reinsurance on Premiums Written and Earned                    
                (Detail)                                                         
101: R87         Financial Guarantee Insurance Contracts -           HTML    117K  
                Summarized Future Gross Undiscounted Premiums                    
                Expected to be Collected, and Future Expected                    
                Premiums Earned, Net of Reinsurance (Detail)                     
102: R88         Financial Guarantee Insurance Contracts Financial   HTML     84K  
                Guarantee Insurance Contracts - Components of Loss               
                and Loss Expense Reserves and Subrogation                        
                Recoverable (Details)                                            
103: R89         Financial Guarantee Insurance Contracts - Summary   HTML     97K  
                of Loss Reserve Roll-Forward, Net of Subrogation                 
                Recoverable and Reinsurance (Detail)                             
104: R90         Financial Guarantee Insurance Contracts - Summary   HTML    187K  
                of Information Related to Policies Currently                     
                Included in Ambac's Loss Reserves or Subrogation                 
                Recoverable (Detail)                                             
105: R91         Financial Guarantee Insurance Contracts - Summary   HTML     51K  
                of Balance of RMBS Subrogation Recoveries and                    
                Related Claim Liabilities, by Estimation Approach                
                (Detail)                                                         
106: R92         Financial Guarantee Insurance Contracts - Summary   HTML     53K  
                of Rollforward of RMBS Subrogation, by Estimation                
                Approach (Detail)                                                
107: R93         Financial Guarantee Insurance Contracts -           HTML     80K  
                Estimated Future Amortization Expense for                        
                Insurance Intangible Asset (Detail)                              
108: R94         Financial Guarantee Insurance - Summary of          HTML     50K  
                Percentage Ceded to Reinsurers and Reinsurance                   
                Recoverable and Rating Levels (Detail)                           
109: R95         Financial Guarantee Insurance Contracts Financial   HTML    150K  
                Guarantee Insurance Contracts Earned Premiums by                 
                Geographic Location (Details)                                    
110: R96         Reinsurance (Details)                               HTML     79K  
111: R97         Insurance Contracts (Details)                       HTML     50K  
112: R98         Insurance Contracts (Details)                       HTML    123K  
113: R99         Insurance Regulatory Restrictions Additional        HTML     64K  
                Details (Details)                                                
114: R100        Derivative Instruments - Summary of Gross Fair      HTML    114K  
                Values of Individual Derivative Instruments                      
                (Detail)                                                         
115: R101        Derivative Instruments - Additional Information     HTML     68K  
                (Detail)                                                         
116: R102        Derivative Instruments - Summary of Location and    HTML     65K  
                Amount of Gains and Losses of Derivative Contracts               
                (Detail)                                                         
117: R103        Derivative Instruments - Summary of Gross           HTML     57K  
                Principal Notional Outstanding for CDS Contracts                 
                (Detail)                                                         
118: R104        Derivative Instruments - Summarize Information by   HTML     52K  
                Major Category of CDS Contracts (Detail)                         
119: R105        Derivative Instruments - Summary of Notional        HTML     56K  
                Amounts of AFS's Trading Derivative Products                     
                (Detail)                                                         
120: R106        Derivative Instruments - Summary of Notional for    HTML     58K  
                VIE Derivatives Outstanding (Detail)                             
121: R107        Financial Guarantee Insurance Contracts - Summary   HTML     57K  
                of Gross Premium Receivable Roll-Forward (Direct                 
                and Assumed Contracts) (Details)                                 
122: R108        Intangible Assets (Details)                         HTML     99K  
123: R109        Variable Interest Entities - Additional             HTML    179K  
                Information (Detail)                                             
124: R110        Variable Interest Entities - Summary of Fair Value  HTML     73K  
                of Fixed Income Securities, by Asset-Type, Held by               
                Consolidated Variable Interest Entities (Detail)                 
125: R111        Variable Interest Entities - Supplemental           HTML     57K  
                Information about Loans Held as Assets and                       
                Long-Term Debt Associated with Consolidated                      
                Variable Interest Entities (Detail)                              
126: R112        Variable Interest Entities - Summary of Carrying    HTML     95K  
                Amount of Assets, Liabilities and Maximum Exposure               
                to Loss of Ambac's Variable Interests in                         
                Non-Consolidated Variable Interest Entities                      
                (Detail)                                                         
127: R113        Variable Interest Entities Variable Interest        HTML    101K  
                Entity - Change in Fair Value of Assets and                      
                Liabilities (Details)                                            
128: R114        Variable Interest Entities Variabile Interest       HTML     52K  
                Entities - Carry Value of Secured Notes from LSNI                
                (Details)                                                        
129: R115        Variable Interest Entities Special Purpose          HTML    159K  
                Entities, including Variable Interest Entities -                 
                Summary of Assets and Liabilities (Details)                      
130: R116        Long-Term Debt (Details)                            HTML    145K  
131: R117        Revenue from Contract with Customer (Details)       HTML     89K  
132: R118        Comprehensive Income - Schedule of Changes in       HTML     84K  
                Balances of Each Component of Accumulated Other                  
                Comprehensive Income (Detail)                                    
133: R119        Comprehensive Income - Schedule of Amounts          HTML    107K  
                Reclassed Out of Each Component of Accumulated                   
                Other Comprehensive Income (Detail)                              
134: R120        Net Income Per Share - Additional Information       HTML     93K  
                (Detail)                                                         
135: R121        Net Income Per Share - Reconciliation of Common     HTML     72K  
                Shares Used for Basic and Diluted Earnings Per                   
                Share (Detail)                                                   
136: R122        Income Taxes - Additional Information (Detail)      HTML     54K  
137: R123        Income Taxes - Significant Portions of Deferred     HTML     87K  
                Tax Liabilities and Deferred Tax Assets (Detail)                 
138: R124        Income Taxes Income Taxes - Provision for Income    HTML     69K  
                Taxes Charged To Income From Continuing Operations               
                (Details)                                                        
139: R125        Income Taxes Income Taxes - Effect of Income Taxes  HTML     64K  
                on Net Income and Stockholders' Equity (Details)                 
140: R126        Income Taxes Income Taxes - Effective Tax Rates     HTML    106K  
                Differing From Prevailing Federal Corporate Income               
                Tax Rates (Details)                                              
141: R127        Income Taxes Income Taxes - Reconciliation of       HTML     50K  
                Unrecognized Tax Benefits (Details)                              
142: R128        Income Taxes Income Taxes - NOL Usage Table         HTML     60K  
                (Details)                                                        
143: R129        Income Taxes Schedule of Income Before Income       HTML     59K  
                Taxes (Details)                                                  
144: R130        Employment Benefit Plans Postretirement Health      HTML     75K  
                Care and Other Benefits (Details)                                
145: R131        Employment Benefit Plans Savings Plan (Details)     HTML     56K  
146: R132        Employment Benefit Plans Stock Compensation         HTML     77K  
                (Details)                                                        
147: R133        Employment Benefit Plans Restricted Stock Units     HTML    122K  
                (Details)                                                        
148: R134        Employment Benefit Plans Performance Units          HTML    133K  
                (Details)                                                        
149: R135        Leases Statement (Details)                          HTML    112K  
150: R136        Leases (Details)                                    HTML     50K  
151: R137        Commitments and Contingencies - Additional          HTML     53K  
                Information (Detail)                                             
152: R138        Schedule I - Summary Of Investments (Details)       HTML    106K  
153: R139        Schedule II - Condensed Financial Information of    HTML    153K  
                Registrant (Parent Company Only) - Condensed                     
                Balance Sheet (Details)                                          
154: R140        Schedule II - Condensed Financial Information of    HTML    154K  
                Registrant (Parent Company Only) - Condensed                     
                Statement of Total Comprehensive Income (Details)                
155: R141        Schedule II - Condensed Financial Information of    HTML    130K  
                Registrant (Parent Company Only) - Condensed                     
                Statements of Stockholders' Equity (Details)                     
156: R142        Schedule II - Condensed Financial Information of    HTML    132K  
                Registrant (Parent Company Only) - Condensed                     
                Statements of Cash Flows (Details)                               
157: R143        Schedule II - Condensed Financial Information of    HTML     48K  
                Registrant (Parent Company Only) Schedule II -                   
                Condensed Financial Information of Registrant -                  
                Additional Information (Details)                                 
158: R144        Schedule II - Condensed Financial Information of    HTML     60K  
                Registrant (Parent Company Only) Schedule II -                   
                Condensed Financial Information of Registrant -                  
                Income Taxes (Details)                                           
159: R145        SEC Schedule, Article 12-16, Supplementary          HTML     81K  
                Insurance Information (Details)                                  
161: XML         IDEA XML File -- Filing Summary                      XML    323K  
164: XML         XBRL Instance -- ambc-20231231_htm                   XML   7.92M  
160: EXCEL       IDEA Workbook of Financial Report Info              XLSX    470K  
11: EX-101.CAL  XBRL Calculations -- ambc-20231231_cal               XML    351K 
12: EX-101.DEF  XBRL Definitions -- ambc-20231231_def                XML   3.58M 
13: EX-101.LAB  XBRL Labels -- ambc-20231231_lab                     XML   4.36M 
14: EX-101.PRE  XBRL Presentations -- ambc-20231231_pre              XML   3.95M 
10: EX-101.SCH  XBRL Schema -- ambc-20231231                         XSD    479K 
162: JSON        XBRL Instance as JSON Data -- MetaLinks            1,062±  1.78M  
163: ZIP         XBRL Zipped Folder -- 0000874501-24-000040-xbrl      Zip   1.53M  


‘EX-101.CAL’   —   XBRL Calculations — ambc-20231231_cal


This Exhibit is an XBRL File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with the Workiva Platform -->
<!-- Copyright 2024 Workiva -->
<!-- r:4d82eeef-2dce-4043-91cd-e8420ec3c86d,g:584af673-8898-4a5c-ae04-d00eae321745 -->
<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.ambac.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="ambc-20231231.xsd#ConsolidatedBalanceSheets"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_32d92f12-a109-4290-b873-5da3291b2582" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_fadc17b5-46c7-4188-9cd5-74ac1894c074" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockValue"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_32d92f12-a109-4290-b873-5da3291b2582" xlink:to="loc_us-gaap_TreasuryStockValue_fadc17b5-46c7-4188-9cd5-74ac1894c074" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_b19280a6-cfef-4188-ad55-2fb3c2c15c10" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockValue"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_32d92f12-a109-4290-b873-5da3291b2582" xlink:to="loc_us-gaap_CommonStockValue_b19280a6-cfef-4188-ad55-2fb3c2c15c10" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_e76d3cad-5721-4dbf-8982-b4462fc6bece" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_32d92f12-a109-4290-b873-5da3291b2582" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_e76d3cad-5721-4dbf-8982-b4462fc6bece" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_3dfb8c19-cdb9-479f-8c50-30a6bfce8863" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_32d92f12-a109-4290-b873-5da3291b2582" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_3dfb8c19-cdb9-479f-8c50-30a6bfce8863" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_0d384757-ce7c-423f-aede-b6ae517f8660" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockValue"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_32d92f12-a109-4290-b873-5da3291b2582" xlink:to="loc_us-gaap_PreferredStockValue_0d384757-ce7c-423f-aede-b6ae517f8660" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_c5d37369-d17a-443f-a256-89942777aa8c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapital"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_32d92f12-a109-4290-b873-5da3291b2582" xlink:to="loc_us-gaap_AdditionalPaidInCapital_c5d37369-d17a-443f-a256-89942777aa8c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_dc195cf2-67d3-4f81-b0e7-58492b05c59f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_32d92f12-a109-4290-b873-5da3291b2582" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_dc195cf2-67d3-4f81-b0e7-58492b05c59f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_f8a80275-d612-4a5f-ad42-aad022aa92aa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Investments"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_1d4fbfee-42af-4e0a-ae09-ccaf5d162df1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_f8a80275-d612-4a5f-ad42-aad022aa92aa" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_1d4fbfee-42af-4e0a-ae09-ccaf5d162df1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesTradingAndAvailableForSale_5aaee0eb-fbc7-445a-97cf-942fc8238233" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtSecuritiesTradingAndAvailableForSale"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_f8a80275-d612-4a5f-ad42-aad022aa92aa" xlink:to="loc_us-gaap_DebtSecuritiesTradingAndAvailableForSale_5aaee0eb-fbc7-445a-97cf-942fc8238233" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherInvestments_95e82155-442b-442e-9f31-a5943d0bde55" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherInvestments"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_f8a80275-d612-4a5f-ad42-aad022aa92aa" xlink:to="loc_us-gaap_OtherInvestments_95e82155-442b-442e-9f31-a5943d0bde55" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_60af8c78-4791-4af4-829a-7b2a861b0230" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermInvestments"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_f8a80275-d612-4a5f-ad42-aad022aa92aa" xlink:to="loc_us-gaap_ShortTermInvestments_60af8c78-4791-4af4-829a-7b2a861b0230" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_5ad4a2f8-3bff-4ec0-a951-3da84f003ea2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_ec2bd223-5485-4938-befd-ad2053c12838" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_5ad4a2f8-3bff-4ec0-a951-3da84f003ea2" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_ec2bd223-5485-4938-befd-ad2053c12838" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_cf595edf-b20e-468e-8ade-b5e5eb59bc3e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_5ad4a2f8-3bff-4ec0-a951-3da84f003ea2" xlink:to="loc_us-gaap_Liabilities_cf595edf-b20e-468e-8ade-b5e5eb59bc3e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_09ac0814-5ed6-4c48-b254-3ab50a8a36f5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCash"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_RestrictedCash_09ac0814-5ed6-4c48-b254-3ab50a8a36f5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_714e4264-e6d4-47c1-a2dc-033ad265d1f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_714e4264-e6d4-47c1-a2dc-033ad265d1f3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_30f67f4c-c4d4-42ff-8ab3-b7b786273d75" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_Goodwill_30f67f4c-c4d4-42ff-8ab3-b7b786273d75" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredPolicyAcquisitionCosts_88366b49-265b-4633-b495-f8da610b87af" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredPolicyAcquisitionCosts"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_DeferredPolicyAcquisitionCosts_88366b49-265b-4633-b495-f8da610b87af" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_fce46235-25b3-489a-8197-4fe611685ad9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeAssets"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_DerivativeAssets_fce46235-25b3-489a-8197-4fe611685ad9" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableNet_87add0d6-3b07-4c92-92e1-1d34c8ce4a4e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NotesReceivableNet"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_NotesReceivableNet_87add0d6-3b07-4c92-92e1-1d34c8ce4a4e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PremiumsReceivableAtCarryingValue_06eca387-09ea-418f-8576-4a5291fa4832" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PremiumsReceivableAtCarryingValue"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_PremiumsReceivableAtCarryingValue_06eca387-09ea-418f-8576-4a5291fa4832" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_5a93e45f-a410-44fa-a6c7-c4555efb118b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Investments"/>
<link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_Investments_5a93e45f-a410-44fa-a6c7-c4555efb118b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReinsuranceRecoverablesOnPaidAndUnpaidLosses_adc714ee-df90-4052-91f9-03757ef3d8d4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReinsuranceRecoverablesOnPaidAndUnpaidLosses"/>
<link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_ReinsuranceRecoverablesOnPaidAndUnpaidLosses_adc714ee-df90-4052-91f9-03757ef3d8d4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidReinsurancePremiums_8bc336ff-b8b5-47d9-8cd1-9eb0336e521b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidReinsurancePremiums"/>
<link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_PrepaidReinsurancePremiums_8bc336ff-b8b5-47d9-8cd1-9eb0336e521b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_b2b6971b-d324-486e-b69a-952f5ed17c16" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
<link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_b2b6971b-d324-486e-b69a-952f5ed17c16" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalvageAndSubrogationRecoveriesValue_e51debbe-d898-4102-8dbd-2de9a4b6b676" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalvageAndSubrogationRecoveriesValue"/>
<link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_SalvageAndSubrogationRecoveriesValue_e51debbe-d898-4102-8dbd-2de9a4b6b676" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_dd87b356-08fb-4c96-b865-8383123cace9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssets"/>
<link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_OtherAssets_dd87b356-08fb-4c96-b865-8383123cace9" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_9c24f585-1364-44c8-b2e6-9e75b716179a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
<link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_9c24f585-1364-44c8-b2e6-9e75b716179a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_DerivativeAndOtherAssets_5495bf78-aea6-4b57-8549-e2581bae6b40" xlink:href="ambc-20231231.xsd#ambc_DerivativeAndOtherAssets"/>
<link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_948825df-a2cd-4903-83aa-f9e4853ac702" xlink:to="loc_ambc_DerivativeAndOtherAssets_5495bf78-aea6-4b57-8549-e2581bae6b40" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_7b38fa10-02ab-4bdd-9e92-7c44e5597722" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_280067f8-580d-418b-9332-8aa005e01072" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_7b38fa10-02ab-4bdd-9e92-7c44e5597722" xlink:to="loc_us-gaap_StockholdersEquity_280067f8-580d-418b-9332-8aa005e01072" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_a52e17b7-655a-48f4-9a47-eea532d8c954" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MinorityInterest"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_7b38fa10-02ab-4bdd-9e92-7c44e5597722" xlink:to="loc_us-gaap_MinorityInterest_a52e17b7-655a-48f4-9a47-eea532d8c954" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_140793a5-6b23-45e7-be11-89431d84b6d4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_e52f1f2e-ef3a-45bb-82c4-0e1a0237d239" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_140793a5-6b23-45e7-be11-89431d84b6d4" xlink:to="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_e52f1f2e-ef3a-45bb-82c4-0e1a0237d239" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_cb25264a-97a8-4c25-a773-5382862a83bb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLiabilities"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_140793a5-6b23-45e7-be11-89431d84b6d4" xlink:to="loc_us-gaap_DerivativeLiabilities_cb25264a-97a8-4c25-a773-5382862a83bb" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrentAndNoncurrent_0d3196e7-49a6-4413-8fef-d387bdb9bb0b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestPayableCurrentAndNoncurrent"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_140793a5-6b23-45e7-be11-89431d84b6d4" xlink:to="loc_us-gaap_InterestPayableCurrentAndNoncurrent_0d3196e7-49a6-4413-8fef-d387bdb9bb0b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReinsurancePayable_360d5897-6775-4432-9e5f-e0747ab3e405" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReinsurancePayable"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_140793a5-6b23-45e7-be11-89431d84b6d4" xlink:to="loc_us-gaap_ReinsurancePayable_360d5897-6775-4432-9e5f-e0747ab3e405" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilities_6f3a29d0-8add-4483-b4f3-103f753390bc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilities"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_140793a5-6b23-45e7-be11-89431d84b6d4" xlink:to="loc_us-gaap_OtherLiabilities_6f3a29d0-8add-4483-b4f3-103f753390bc" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_1e7ec333-1030-4463-b764-5e2c77972702" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_140793a5-6b23-45e7-be11-89431d84b6d4" xlink:to="loc_us-gaap_LongTermDebt_1e7ec333-1030-4463-b764-5e2c77972702" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNet_2221f89d-63d8-4426-aa01-13554cccec53" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CapitalizedContractCostNet"/>
<link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_140793a5-6b23-45e7-be11-89431d84b6d4" xlink:to="loc_us-gaap_CapitalizedContractCostNet_2221f89d-63d8-4426-aa01-13554cccec53" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnearnedPremiums_d61236fb-be77-4114-a88f-09cebfb4a332" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_UnearnedPremiums"/>
<link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_140793a5-6b23-45e7-be11-89431d84b6d4" xlink:to="loc_us-gaap_UnearnedPremiums_d61236fb-be77-4114-a88f-09cebfb4a332" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/ConsolidatedStatementsofTotalComprehensiveIncome" xlink:type="simple" xlink:href="ambc-20231231.xsd#ConsolidatedStatementsofTotalComprehensiveIncome"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/ConsolidatedStatementsofTotalComprehensiveIncome" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_54a0bf6e-dc82-4960-893a-a4c55368f5d7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentIncome_24d843aa-a5a0-4892-a8b7-600b0441bc3e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetInvestmentIncome"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_54a0bf6e-dc82-4960-893a-a4c55368f5d7" xlink:to="loc_us-gaap_NetInvestmentIncome_24d843aa-a5a0-4892-a8b7-600b0441bc3e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_71ecc025-f323-433c-a6ee-7099ea71e011" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealizedInvestmentGainsLosses"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_54a0bf6e-dc82-4960-893a-a4c55368f5d7" xlink:to="loc_us-gaap_RealizedInvestmentGainsLosses_71ecc025-f323-433c-a6ee-7099ea71e011" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossRelatedToLitigationSettlement_2323077a-89a8-4b8b-b1a4-de641841a7a7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainLossRelatedToLitigationSettlement"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_54a0bf6e-dc82-4960-893a-a4c55368f5d7" xlink:to="loc_us-gaap_GainLossRelatedToLitigationSettlement_2323077a-89a8-4b8b-b1a4-de641841a7a7" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_074d0faa-03e0-4a0c-a271-48fed6674ae6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_54a0bf6e-dc82-4960-893a-a4c55368f5d7" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_074d0faa-03e0-4a0c-a271-48fed6674ae6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityOperatingIncomeOrLoss_745637de-25cf-44a6-ab7a-8dcdbae8b287" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityOperatingIncomeOrLoss"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_54a0bf6e-dc82-4960-893a-a4c55368f5d7" xlink:to="loc_us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityOperatingIncomeOrLoss_745637de-25cf-44a6-ab7a-8dcdbae8b287" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIncome_1aee6b42-5a74-4a31-b502-d71abe32978e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherIncome"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_54a0bf6e-dc82-4960-893a-a4c55368f5d7" xlink:to="loc_us-gaap_OtherIncome_1aee6b42-5a74-4a31-b502-d71abe32978e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_b10be5c5-ee93-4916-9ea2-afbdfd80bdd5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeGainLossOnDerivativeNet"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_54a0bf6e-dc82-4960-893a-a4c55368f5d7" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_b10be5c5-ee93-4916-9ea2-afbdfd80bdd5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_87044485-1dbe-4190-91e5-b40710b18ef8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_c4a7480e-381b-4e5e-a077-b47c9d033d36" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_87044485-1dbe-4190-91e5-b40710b18ef8" xlink:to="loc_us-gaap_ProfitLoss_c4a7480e-381b-4e5e-a077-b47c9d033d36" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_18d656e3-774e-4076-998b-22f004f895e4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_87044485-1dbe-4190-91e5-b40710b18ef8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_18d656e3-774e-4076-998b-22f004f895e4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_78b44e2b-bc32-4027-a7cc-3e2c995b8f56" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_14e87ea7-f9a4-4465-91d9-80e108123a66" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_78b44e2b-bc32-4027-a7cc-3e2c995b8f56" xlink:to="loc_us-gaap_ProfitLoss_14e87ea7-f9a4-4465-91d9-80e108123a66" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNonredeemableNoncontrollingInterest_8fc20cf4-51bc-486e-9b62-2a93cc02293d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAttributableToNonredeemableNoncontrollingInterest"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_78b44e2b-bc32-4027-a7cc-3e2c995b8f56" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNonredeemableNoncontrollingInterest_8fc20cf4-51bc-486e-9b62-2a93cc02293d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_AMPSGainOnPurchaseOfShares_f1959610-95f7-4ca8-a587-84fcccb6ffbd" xlink:href="ambc-20231231.xsd#ambc_AMPSGainOnPurchaseOfShares"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_78b44e2b-bc32-4027-a7cc-3e2c995b8f56" xlink:to="loc_ambc_AMPSGainOnPurchaseOfShares_f1959610-95f7-4ca8-a587-84fcccb6ffbd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentIncome_fe8f8819-89ef-49f4-bef9-63cb9543bbaf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetInvestmentIncome"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PremiumsEarnedNet_2071f0b4-11f1-4e22-b72d-c2ab07bbcbc7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PremiumsEarnedNet"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetInvestmentIncome_fe8f8819-89ef-49f4-bef9-63cb9543bbaf" xlink:to="loc_us-gaap_PremiumsEarnedNet_2071f0b4-11f1-4e22-b72d-c2ab07bbcbc7" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InsuranceCommissionsAndFees_3cdadd66-f7b5-4f9b-8a2a-13931b6ef8b3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InsuranceCommissionsAndFees"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetInvestmentIncome_fe8f8819-89ef-49f4-bef9-63cb9543bbaf" xlink:to="loc_us-gaap_InsuranceCommissionsAndFees_3cdadd66-f7b5-4f9b-8a2a-13931b6ef8b3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets_6cffc5f6-f86d-452c-8249-467e037a0223" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetInvestmentIncome_fe8f8819-89ef-49f4-bef9-63cb9543bbaf" xlink:to="loc_us-gaap_ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets_6cffc5f6-f86d-452c-8249-467e037a0223" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_6418265d-0376-47da-ae09-da2110df175f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_bf9599eb-83c0-451a-bd3c-db7e3e44d77e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_6418265d-0376-47da-ae09-da2110df175f" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_bf9599eb-83c0-451a-bd3c-db7e3e44d77e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_AMPSGainOnPurchaseOfShares_d34bbdf2-de5c-4db6-98fe-659441acb503" xlink:href="ambc-20231231.xsd#ambc_AMPSGainOnPurchaseOfShares"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_6418265d-0376-47da-ae09-da2110df175f" xlink:to="loc_ambc_AMPSGainOnPurchaseOfShares_d34bbdf2-de5c-4db6-98fe-659441acb503" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_e6d0f344-526c-4e3d-b601-0dfb4322f926" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest"/>
<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_6418265d-0376-47da-ae09-da2110df175f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_e6d0f344-526c-4e3d-b601-0dfb4322f926" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BenefitsLossesAndExpenses_c6ca37e8-e8a4-407f-af6a-c474b26e409d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BenefitsLossesAndExpenses"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_7b31aa86-4b07-4fcc-babb-6fa46b73392e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BenefitsLossesAndExpenses_c6ca37e8-e8a4-407f-af6a-c474b26e409d" xlink:to="loc_us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_7b31aa86-4b07-4fcc-babb-6fa46b73392e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_b56a5fad-2a67-4342-9cc7-1ce75187ce53" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BenefitsLossesAndExpenses_c6ca37e8-e8a4-407f-af6a-c474b26e409d" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_b56a5fad-2a67-4342-9cc7-1ce75187ce53" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebt_fc51f641-7cb4-42b3-b559-7ad74032cc0e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpenseDebt"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BenefitsLossesAndExpenses_c6ca37e8-e8a4-407f-af6a-c474b26e409d" xlink:to="loc_us-gaap_InterestExpenseDebt_fc51f641-7cb4-42b3-b559-7ad74032cc0e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InsuranceCommissions_8a4c11f3-982b-4afa-977b-757bbb0e80dd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InsuranceCommissions"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BenefitsLossesAndExpenses_c6ca37e8-e8a4-407f-af6a-c474b26e409d" xlink:to="loc_us-gaap_InsuranceCommissions_8a4c11f3-982b-4afa-977b-757bbb0e80dd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncurredClaimsFinancialGuaranteeInsuranceContracts_07e571e7-5a21-4907-98dd-4d59c60d642b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncurredClaimsFinancialGuaranteeInsuranceContracts"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BenefitsLossesAndExpenses_c6ca37e8-e8a4-407f-af6a-c474b26e409d" xlink:to="loc_us-gaap_IncurredClaimsFinancialGuaranteeInsuranceContracts_07e571e7-5a21-4907-98dd-4d59c60d642b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_e1e31496-220b-45e0-a2d8-8319620bc265" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BenefitsLossesAndExpenses_c6ca37e8-e8a4-407f-af6a-c474b26e409d" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_e1e31496-220b-45e0-a2d8-8319620bc265" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_69d39257-df4e-4c98-af32-aed8b5c57bd2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PolicyholderBenefitsAndClaimsIncurredNet"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BenefitsLossesAndExpenses_c6ca37e8-e8a4-407f-af6a-c474b26e409d" xlink:to="loc_us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_69d39257-df4e-4c98-af32-aed8b5c57bd2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_03ddf1bb-35d9-4a7e-a49d-2fbfdd4b1a23" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0b0d55c5-d13e-4785-ac9a-e1bb8bf7e6c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_03ddf1bb-35d9-4a7e-a49d-2fbfdd4b1a23" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0b0d55c5-d13e-4785-ac9a-e1bb8bf7e6c4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_e27a5574-221c-4b08-9ea8-6ab520087150" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_03ddf1bb-35d9-4a7e-a49d-2fbfdd4b1a23" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_e27a5574-221c-4b08-9ea8-6ab520087150" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2df36e92-a9c3-4869-8013-7a12c125fd97" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_a3be184e-d703-42ef-a653-18c4302fde68" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2df36e92-a9c3-4869-8013-7a12c125fd97" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_a3be184e-d703-42ef-a653-18c4302fde68" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_f4d8e435-7c4c-40cc-ad53-621745c6c2e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2df36e92-a9c3-4869-8013-7a12c125fd97" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_f4d8e435-7c4c-40cc-ad53-621745c6c2e9" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax_ff9e392a-fe05-4ec0-860b-3880e5532c0b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax"/>
<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2df36e92-a9c3-4869-8013-7a12c125fd97" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax_ff9e392a-fe05-4ec0-860b-3880e5532c0b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_40b4901f-c592-47f4-a0c8-4bc8ae28b5b3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
<link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2df36e92-a9c3-4869-8013-7a12c125fd97" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_40b4901f-c592-47f4-a0c8-4bc8ae28b5b3" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/ConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="ambc-20231231.xsd#ConsolidatedStatementsofCashFlows"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/ConsolidatedStatementsofCashFlows" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_6e6452fe-6907-4aca-9bdf-6427165a23b3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_ProfitLoss_6e6452fe-6907-4aca-9bdf-6427165a23b3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_1ff4db50-d169-45c6-9c27-f07e0c5ef5df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Depreciation"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_Depreciation_1ff4db50-d169-45c6-9c27-f07e0c5ef5df" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_1d447eda-9da2-40b3-b3e8-ec43fc140e66" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments"/>
<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_1d447eda-9da2-40b3-b3e8-ec43fc140e66" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_2f7572c2-2748-4abd-b296-ec4bdd35a5c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_ShareBasedCompensation_2f7572c2-2748-4abd-b296-ec4bdd35a5c4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInUnearnedPremiums_49a64b93-fab2-4b5a-9807-282b2bf16615" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInUnearnedPremiums"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_IncreaseDecreaseInUnearnedPremiums_49a64b93-fab2-4b5a-9807-282b2bf16615" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve_251b38ca-488f-4bae-9c83-2b20ac22ef87" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve"/>
<link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve_251b38ca-488f-4bae-9c83-2b20ac22ef87" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInReinsurancePayables_fbe20fc7-e7fe-4a9c-b224-75277f7b669e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInReinsurancePayables"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_IncreaseDecreaseInReinsurancePayables_fbe20fc7-e7fe-4a9c-b224-75277f7b669e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPremiumsReceivable_e1f5931d-7634-40da-9c2f-b6e2f715cb43" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInPremiumsReceivable"/>
<link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_IncreaseDecreaseInPremiumsReceivable_e1f5931d-7634-40da-9c2f-b6e2f715cb43" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_51cbb121-7e9e-444a-8151-f96f06ba9c4a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInInterestPayableNet"/>
<link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_51cbb121-7e9e-444a-8151-f96f06ba9c4a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_b87f72bb-2746-40b8-a0f9-5f9d6b331d0a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
<link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_b87f72bb-2746-40b8-a0f9-5f9d6b331d0a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_f56fcb50-d515-4415-8faf-45edffb26807" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealizedInvestmentGainsLosses"/>
<link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_RealizedInvestmentGainsLosses_f56fcb50-d515-4415-8faf-45edffb26807" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_6e52aef1-a964-46f3-b11a-f1c692c8062b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
<link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_6e52aef1-a964-46f3-b11a-f1c692c8062b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityOperatingIncomeOrLoss_a5ab004b-6d10-4c66-9d3c-f50781ad4bfd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityOperatingIncomeOrLoss"/>
<link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityOperatingIncomeOrLoss_a5ab004b-6d10-4c66-9d3c-f50781ad4bfd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_07308862-3bfa-4c14-8939-87d917af390e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
<link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_00d86b02-1c79-40ef-b3f2-a5e13678a26e" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_07308862-3bfa-4c14-8939-87d917af390e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ebd0ebbe-5a73-4c23-84cf-12c260ca3c39" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_PaydownofAmbacNote_830a308c-150a-48cd-8d41-0a855dab21b6" xlink:href="ambc-20231231.xsd#ambc_PaydownofAmbacNote"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ebd0ebbe-5a73-4c23-84cf-12c260ca3c39" xlink:to="loc_ambc_PaydownofAmbacNote_830a308c-150a-48cd-8d41-0a855dab21b6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_1c094fdb-4132-4875-beb9-85e34e3c2f8a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfSecuredDebt"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ebd0ebbe-5a73-4c23-84cf-12c260ca3c39" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_1c094fdb-4132-4875-beb9-85e34e3c2f8a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSecuredDebt_eaf5f4f2-14be-4b3f-a23f-fec7cd8cb3b7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfSecuredDebt"/>
<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ebd0ebbe-5a73-4c23-84cf-12c260ca3c39" xlink:to="loc_us-gaap_RepaymentsOfSecuredDebt_eaf5f4f2-14be-4b3f-a23f-fec7cd8cb3b7" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_1c7ac21c-b1fa-49b1-a61e-269fd688f5c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
<link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ebd0ebbe-5a73-4c23-84cf-12c260ca3c39" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_1c7ac21c-b1fa-49b1-a61e-269fd688f5c7" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_58056a7b-c430-41c7-ba7b-c11375140b65" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
<link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ebd0ebbe-5a73-4c23-84cf-12c260ca3c39" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_58056a7b-c430-41c7-ba7b-c11375140b65" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_ProceedsfromSaleofSeniorSurplusNotes_c5e460d3-fe1e-4d96-987d-61577ce99bc5" xlink:href="ambc-20231231.xsd#ambc_ProceedsfromSaleofSeniorSurplusNotes"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ebd0ebbe-5a73-4c23-84cf-12c260ca3c39" xlink:to="loc_ambc_ProceedsfromSaleofSeniorSurplusNotes_c5e460d3-fe1e-4d96-987d-61577ce99bc5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_PaydownofFinancialGuarantyVariableInterestEntityLiabilities_197a24f2-4499-4877-8a3e-20b4d3ff1e05" xlink:href="ambc-20231231.xsd#ambc_PaydownofFinancialGuarantyVariableInterestEntityLiabilities"/>
<link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ebd0ebbe-5a73-4c23-84cf-12c260ca3c39" xlink:to="loc_ambc_PaydownofFinancialGuarantyVariableInterestEntityLiabilities_197a24f2-4499-4877-8a3e-20b4d3ff1e05" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsToMinorityShareholders_d3347e04-7180-4e5c-9c16-19c82bf0d34e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromPaymentsToMinorityShareholders"/>
<link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ebd0ebbe-5a73-4c23-84cf-12c260ca3c39" xlink:to="loc_us-gaap_ProceedsFromPaymentsToMinorityShareholders_d3347e04-7180-4e5c-9c16-19c82bf0d34e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_AMPSPurchaseCashPaid_750670f8-60b5-4e08-87b7-440bb70f7902" xlink:href="ambc-20231231.xsd#ambc_AMPSPurchaseCashPaid"/>
<link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ebd0ebbe-5a73-4c23-84cf-12c260ca3c39" xlink:to="loc_ambc_AMPSPurchaseCashPaid_750670f8-60b5-4e08-87b7-440bb70f7902" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_990e745e-2cdd-430e-a0c5-b8e11d2da2e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
<link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ebd0ebbe-5a73-4c23-84cf-12c260ca3c39" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_990e745e-2cdd-430e-a0c5-b8e11d2da2e9" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_acdf056a-06d0-4c26-aa0a-4ba21a2a823e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
<link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ebd0ebbe-5a73-4c23-84cf-12c260ca3c39" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_acdf056a-06d0-4c26-aa0a-4ba21a2a823e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8f51c62c-1fad-4425-a0f0-c006e2097dde" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_5cc51e35-7f03-400f-8bc1-f2ec52334706" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8f51c62c-1fad-4425-a0f0-c006e2097dde" xlink:to="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_5cc51e35-7f03-400f-8bc1-f2ec52334706" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_d43b0e39-5bed-4b85-b136-958363e4cbef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8f51c62c-1fad-4425-a0f0-c006e2097dde" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_d43b0e39-5bed-4b85-b136-958363e4cbef" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_2fcd6dfe-f4a6-4677-9f5e-f14c534835cc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt"/>
<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8f51c62c-1fad-4425-a0f0-c006e2097dde" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_2fcd6dfe-f4a6-4677-9f5e-f14c534835cc" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_e6ac186d-572d-4f0c-819d-d59071bb5c32" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8f51c62c-1fad-4425-a0f0-c006e2097dde" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_e6ac186d-572d-4f0c-819d-d59071bb5c32" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireOtherInvestments_f7fb2bdc-b593-4fc9-8393-f5da9a7ca2fe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireOtherInvestments"/>
<link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8f51c62c-1fad-4425-a0f0-c006e2097dde" xlink:to="loc_us-gaap_PaymentsToAcquireOtherInvestments_f7fb2bdc-b593-4fc9-8393-f5da9a7ca2fe" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromShortTermInvestments_37560285-e628-4a64-9b3c-6c0352edc0f1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForProceedsFromShortTermInvestments"/>
<link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8f51c62c-1fad-4425-a0f0-c006e2097dde" xlink:to="loc_us-gaap_PaymentsForProceedsFromShortTermInvestments_37560285-e628-4a64-9b3c-6c0352edc0f1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseCashCollateralFromCounterparties_a5584b6e-a4ce-4275-83a6-2aaf57eda747" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseCashCollateralFromCounterparties"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8f51c62c-1fad-4425-a0f0-c006e2097dde" xlink:to="loc_us-gaap_IncreaseDecreaseCashCollateralFromCounterparties_a5584b6e-a4ce-4275-83a6-2aaf57eda747" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_ProceedsFromFinancialGuarantyVariableInterestEntityAssets_e5082392-9236-425b-aaa4-3a76e72a13aa" xlink:href="ambc-20231231.xsd#ambc_ProceedsFromFinancialGuarantyVariableInterestEntityAssets"/>
<link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8f51c62c-1fad-4425-a0f0-c006e2097dde" xlink:to="loc_ambc_ProceedsFromFinancialGuarantyVariableInterestEntityAssets_e5082392-9236-425b-aaa4-3a76e72a13aa" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_50453f10-7455-4195-868c-9ce3c0b111d6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
<link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8f51c62c-1fad-4425-a0f0-c006e2097dde" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_50453f10-7455-4195-868c-9ce3c0b111d6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_a5079dfa-ca81-40cb-9674-d6e567cc4eb0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_2b8d0c3f-666b-4919-906e-db8941915505" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_a5079dfa-ca81-40cb-9674-d6e567cc4eb0" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_2b8d0c3f-666b-4919-906e-db8941915505" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1fb90ba9-1473-4eda-a04b-0c94812d08c5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_a5079dfa-ca81-40cb-9674-d6e567cc4eb0" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1fb90ba9-1473-4eda-a04b-0c94812d08c5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_16ae3c44-7782-49d8-8411-98f29806c3e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_a5079dfa-ca81-40cb-9674-d6e567cc4eb0" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_16ae3c44-7782-49d8-8411-98f29806c3e2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_d984fcff-af94-48f6-805d-a9c42142ed67" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_a5079dfa-ca81-40cb-9674-d6e567cc4eb0" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_d984fcff-af94-48f6-805d-a9c42142ed67" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/InvestmentsSummaryofAmortizedCostandEstimatedFairValueofAvailableforSaleInvestmentsExcludingVIEInvestmentsHeldbySuccessorAmbacbyContractualMaturityDetail" xlink:type="simple" xlink:href="ambc-20231231.xsd#InvestmentsSummaryofAmortizedCostandEstimatedFairValueofAvailableforSaleInvestmentsExcludingVIEInvestmentsHeldbySuccessorAmbacbyContractualMaturityDetail"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/InvestmentsSummaryofAmortizedCostandEstimatedFairValueofAvailableforSaleInvestmentsExcludingVIEInvestmentsHeldbySuccessorAmbacbyContractualMaturityDetail" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_785a7dff-1e14-4570-93d8-29b35a8f52ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_6fe5ae3a-47aa-4624-b799-17262b9f2e17" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_785a7dff-1e14-4570-93d8-29b35a8f52ae" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_6fe5ae3a-47aa-4624-b799-17262b9f2e17" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_057182ec-6bcf-4e53-b313-08320f57b7e6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_785a7dff-1e14-4570-93d8-29b35a8f52ae" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_057182ec-6bcf-4e53-b313-08320f57b7e6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_c7351559-836b-453d-8d83-49062eb5b0fd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_785a7dff-1e14-4570-93d8-29b35a8f52ae" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_c7351559-836b-453d-8d83-49062eb5b0fd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_88693621-3054-4a38-bac0-7ac4f52b35c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_785a7dff-1e14-4570-93d8-29b35a8f52ae" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_88693621-3054-4a38-bac0-7ac4f52b35c4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_1fed50b3-3453-4c72-acc9-7bbb7c522c7b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_5397fb4c-8330-4f22-8426-b49bccdabf75" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_1fed50b3-3453-4c72-acc9-7bbb7c522c7b" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_5397fb4c-8330-4f22-8426-b49bccdabf75" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_88d0c765-7ea4-4292-883a-b20a33bceecb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_1fed50b3-3453-4c72-acc9-7bbb7c522c7b" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_88d0c765-7ea4-4292-883a-b20a33bceecb" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_e7622163-5aa9-44c1-84b2-566944fe0238" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_1fed50b3-3453-4c72-acc9-7bbb7c522c7b" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_e7622163-5aa9-44c1-84b2-566944fe0238" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_2af9b279-473a-4a17-86e6-1661cfa34901" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_1fed50b3-3453-4c72-acc9-7bbb7c522c7b" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_2af9b279-473a-4a17-86e6-1661cfa34901" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/InvestmentsSummaryofAmountsIncludedinNetRealizedLossesGainsandOtherThanTemporaryImpairmentsDetail" xlink:type="simple" xlink:href="ambc-20231231.xsd#InvestmentsSummaryofAmountsIncludedinNetRealizedLossesGainsandOtherThanTemporaryImpairmentsDetail"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/InvestmentsSummaryofAmountsIncludedinNetRealizedLossesGainsandOtherThanTemporaryImpairmentsDetail" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_1bb948a0-f26c-4d83-9f65-06537c77e8db" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealizedInvestmentGainsLosses"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_7118b505-2208-4820-a703-e76fe2b75aab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RealizedInvestmentGainsLosses_1bb948a0-f26c-4d83-9f65-06537c77e8db" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_7118b505-2208-4820-a703-e76fe2b75aab" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/FinancialGuaranteeInsuranceContractsSummarizedFutureGrossUndiscountedPremiumsExpectedtobeCollectedandFutureExpectedPremiumsEarnedNetofReinsuranceDetail" xlink:type="simple" xlink:href="ambc-20231231.xsd#FinancialGuaranteeInsuranceContractsSummarizedFutureGrossUndiscountedPremiumsExpectedtobeCollectedandFutureExpectedPremiumsEarnedNetofReinsuranceDetail"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/FinancialGuaranteeInsuranceContractsSummarizedFutureGrossUndiscountedPremiumsExpectedtobeCollectedandFutureExpectedPremiumsEarnedNetofReinsuranceDetail" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringFirstQuarterFollowingBalanceSheetDate_3af7aeb7-64d5-44e3-a496-5f1dbbdb8f4d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringFirstQuarterFollowingBalanceSheetDate"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringFirstQuarterFollowingBalanceSheetDate_3af7aeb7-64d5-44e3-a496-5f1dbbdb8f4d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringSecondQuarterFollowingTheBalanceSheetDate_ef33e8c8-ab1e-4944-b759-5e04462e4894" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringSecondQuarterFollowingTheBalanceSheetDate"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringSecondQuarterFollowingTheBalanceSheetDate_ef33e8c8-ab1e-4944-b759-5e04462e4894" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringThirdQuarterFollowingBalanceSheetDate_3618e622-4f4c-4b0c-827f-392e0f8f3901" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringThirdQuarterFollowingBalanceSheetDate"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringThirdQuarterFollowingBalanceSheetDate_3618e622-4f4c-4b0c-827f-392e0f8f3901" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringFourthQuarterFollowingBalanceSheetDate_f7bd6ea0-e042-47ea-abd5-e1629c6e63ac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringFourthQuarterFollowingBalanceSheetDate"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringFourthQuarterFollowingBalanceSheetDate_f7bd6ea0-e042-47ea-abd5-e1629c6e63ac" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanOneAndWithinTwoYearsFromBalanceSheetDate_0f18f9a7-e956-4d85-99d8-1231ec6fb2ca" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanOneAndWithinTwoYearsFromBalanceSheetDate"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanOneAndWithinTwoYearsFromBalanceSheetDate_0f18f9a7-e956-4d85-99d8-1231ec6fb2ca" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanTwoAndWithinThreeYearsFromBalanceSheetDate_0c792fe0-2099-49bc-8f70-a1adfbb18a89" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanTwoAndWithinThreeYearsFromBalanceSheetDate"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanTwoAndWithinThreeYearsFromBalanceSheetDate_0c792fe0-2099-49bc-8f70-a1adfbb18a89" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanThreeAndWithinFourYearsFromBalanceSheetDate_e853c65e-2d41-4bee-b9d9-7ef60c253285" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanThreeAndWithinFourYearsFromBalanceSheetDate"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanThreeAndWithinFourYearsFromBalanceSheetDate_e853c65e-2d41-4bee-b9d9-7ef60c253285" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanFourAndWithinFiveYearsFromBalanceSheetDate_ecc4f073-cea8-4786-9b09-9f6617875e1f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanFourAndWithinFiveYearsFromBalanceSheetDate"/>
<link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanFourAndWithinFiveYearsFromBalanceSheetDate_ecc4f073-cea8-4786-9b09-9f6617875e1f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanFiveAndWithin10YearsFromBalanceSheetDate_3a189aa9-542a-434a-b21a-bd9543d583f6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanFiveAndWithin10YearsFromBalanceSheetDate"/>
<link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanFiveAndWithin10YearsFromBalanceSheetDate_3a189aa9-542a-434a-b21a-bd9543d583f6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan10AndWithin15YearsFromBalanceSheetDate_505b69c0-24e3-4e7d-afcb-c9a3db769c01" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan10AndWithin15YearsFromBalanceSheetDate"/>
<link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan10AndWithin15YearsFromBalanceSheetDate_505b69c0-24e3-4e7d-afcb-c9a3db769c01" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan15AndWithin20YearsFromBalanceSheetDate_fee9613c-7877-4a36-ad2c-28e8c01d150f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan15AndWithin20YearsFromBalanceSheetDate"/>
<link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan15AndWithin20YearsFromBalanceSheetDate_fee9613c-7877-4a36-ad2c-28e8c01d150f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan20AndWithin25YearsFromBalanceSheetDate_f54d714e-6ba5-459c-8776-06beed12756a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan20AndWithin25YearsFromBalanceSheetDate"/>
<link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan20AndWithin25YearsFromBalanceSheetDate_f54d714e-6ba5-459c-8776-06beed12756a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan25AndWithin30YearsFromBalanceSheetDate_c08dc5b0-d0db-47c1-9e22-a9f15889dff0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan25AndWithin30YearsFromBalanceSheetDate"/>
<link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan25AndWithin30YearsFromBalanceSheetDate_c08dc5b0-d0db-47c1-9e22-a9f15889dff0" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan30AndWithin35YearsFromBalanceSheetDate_3c36e85f-20cf-44fe-ab3a-98fc851e7bcb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan30AndWithin35YearsFromBalanceSheetDate"/>
<link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected_6a1896f3-b0e0-42db-998b-54fbefa507c9" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan30AndWithin35YearsFromBalanceSheetDate_3c36e85f-20cf-44fe-ab3a-98fc851e7bcb" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringFirstQuarterFollowingBalanceSheetDate_373b6900-3987-4827-8041-70eba25c4c8d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringFirstQuarterFollowingBalanceSheetDate"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringFirstQuarterFollowingBalanceSheetDate_373b6900-3987-4827-8041-70eba25c4c8d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringSecondQuarterFollowingBalanceSheetDate_f0dd3b5a-a29f-44f1-b24b-0fb067768154" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringSecondQuarterFollowingBalanceSheetDate"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringSecondQuarterFollowingBalanceSheetDate_f0dd3b5a-a29f-44f1-b24b-0fb067768154" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringThirdQuarterFollowingBalanceSheetDate_4d842b60-9892-49ed-a964-f6272cd80318" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringThirdQuarterFollowingBalanceSheetDate"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringThirdQuarterFollowingBalanceSheetDate_4d842b60-9892-49ed-a964-f6272cd80318" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringFourthQuarterFollowingBalanceSheetDate_c3c66f48-0727-409a-a8e1-a203a3454469" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringFourthQuarterFollowingBalanceSheetDate"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringFourthQuarterFollowingBalanceSheetDate_c3c66f48-0727-409a-a8e1-a203a3454469" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanOneAndWithinTwoYearsFromBalanceSheetDate_250be22c-5803-498e-81c7-48e42ef99925" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanOneAndWithinTwoYearsFromBalanceSheetDate"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanOneAndWithinTwoYearsFromBalanceSheetDate_250be22c-5803-498e-81c7-48e42ef99925" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanTwoAndWithinThreeYearsFromBalanceSheetDate_a096c541-d919-40aa-9c9b-179810571974" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanTwoAndWithinThreeYearsFromBalanceSheetDate"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanTwoAndWithinThreeYearsFromBalanceSheetDate_a096c541-d919-40aa-9c9b-179810571974" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanThreeAndWithinFourYearsFromBalanceSheetDate_6ab66a81-4998-47d8-b467-ba300b54cfde" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanThreeAndWithinFourYearsFromBalanceSheetDate"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanThreeAndWithinFourYearsFromBalanceSheetDate_6ab66a81-4998-47d8-b467-ba300b54cfde" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanFourAndWithinFiveYearsFromBalanceSheetDate_c27fa626-a0d0-4f4b-b839-d0a4be38096d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanFourAndWithinFiveYearsFromBalanceSheetDate"/>
<link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanFourAndWithinFiveYearsFromBalanceSheetDate_c27fa626-a0d0-4f4b-b839-d0a4be38096d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanFiveAndWithin10YearsFromBalanceSheetDate_0afe9e20-30d6-4d0f-8c87-813acde618da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanFiveAndWithin10YearsFromBalanceSheetDate"/>
<link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanFiveAndWithin10YearsFromBalanceSheetDate_0afe9e20-30d6-4d0f-8c87-813acde618da" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan10AndWithin15YearsFromBalanceSheetDate_c96cde77-8499-40bc-a09e-2cea5864cba1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan10AndWithin15YearsFromBalanceSheetDate"/>
<link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan10AndWithin15YearsFromBalanceSheetDate_c96cde77-8499-40bc-a09e-2cea5864cba1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan15AndWithin20YearsFromBalanceSheetDate_ef5c38ab-fc25-4c40-8e3b-343f6acffa9a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan15AndWithin20YearsFromBalanceSheetDate"/>
<link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan15AndWithin20YearsFromBalanceSheetDate_ef5c38ab-fc25-4c40-8e3b-343f6acffa9a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan20AndWithin25YearsFromBalanceSheetDate_855eb4d0-914b-4c51-a760-9f714ea18ea3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan20AndWithin25YearsFromBalanceSheetDate"/>
<link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan20AndWithin25YearsFromBalanceSheetDate_855eb4d0-914b-4c51-a760-9f714ea18ea3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan25AndWithin30YearsFromBalanceSheetDate_e70e993c-407f-4196-89c3-0af13c2fdf36" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan25AndWithin30YearsFromBalanceSheetDate"/>
<link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan25AndWithin30YearsFromBalanceSheetDate_e70e993c-407f-4196-89c3-0af13c2fdf36" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan30AndWithin35YearsFromBalanceSheetDate_89ecde59-51aa-4757-bf9e-8dbf27c6974f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan30AndWithin35YearsFromBalanceSheetDate"/>
<link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized_a69fd219-ef18-4bb2-93fe-9a60cf954ac0" xlink:to="loc_us-gaap_FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan30AndWithin35YearsFromBalanceSheetDate_89ecde59-51aa-4757-bf9e-8dbf27c6974f" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/FinancialGuaranteeInsuranceContractsFinancialGuaranteeInsuranceContractsComponentsofLossandLossExpenseReservesandSubrogationRecoverableDetails" xlink:type="simple" xlink:href="ambc-20231231.xsd#FinancialGuaranteeInsuranceContractsFinancialGuaranteeInsuranceContractsComponentsofLossandLossExpenseReservesandSubrogationRecoverableDetails"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/FinancialGuaranteeInsuranceContractsFinancialGuaranteeInsuranceContractsComponentsofLossandLossExpenseReservesandSubrogationRecoverableDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationStatementOfFinancialPositionClaimLiability_8feed2e4-6391-42e3-8038-988c41a59f71" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationStatementOfFinancialPositionClaimLiability"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_b559b666-a3ca-4262-ba64-14897a46a479" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationStatementOfFinancialPositionClaimLiability_8feed2e4-6391-42e3-8038-988c41a59f71" xlink:to="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_b559b666-a3ca-4262-ba64-14897a46a479" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalvageAndSubrogationRecoveriesValue_3f82e160-ec47-45a3-b0c8-fb51f7b858c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalvageAndSubrogationRecoveriesValue"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationStatementOfFinancialPositionClaimLiability_8feed2e4-6391-42e3-8038-988c41a59f71" xlink:to="loc_us-gaap_SalvageAndSubrogationRecoveriesValue_3f82e160-ec47-45a3-b0c8-fb51f7b858c2" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/FinancialGuaranteeInsuranceContractsSummaryofInformationRelatedtoPoliciesCurrentlyIncludedinAmbacsLossReservesorSubrogationRecoverableDetail" xlink:type="simple" xlink:href="ambc-20231231.xsd#FinancialGuaranteeInsuranceContractsSummaryofInformationRelatedtoPoliciesCurrentlyIncludedinAmbacsLossReservesorSubrogationRecoverableDetail"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/FinancialGuaranteeInsuranceContractsSummaryofInformationRelatedtoPoliciesCurrentlyIncludedinAmbacsLossReservesorSubrogationRecoverableDetail" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstanding_70808114-f755-4258-a5c4-643ae800ce1e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstanding"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstandingPrincipal_0183aa62-5b06-4bf1-940c-11465f527039" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstandingPrincipal"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstanding_70808114-f755-4258-a5c4-643ae800ce1e" xlink:to="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstandingPrincipal_0183aa62-5b06-4bf1-940c-11465f527039" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstandingInterest_5a00dba8-25e3-4e56-8c30-6b974a4211d7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstandingInterest"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstanding_70808114-f755-4258-a5c4-643ae800ce1e" xlink:to="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstandingInterest_5a00dba8-25e3-4e56-8c30-6b974a4211d7" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityOtherSubrogation_38c490fe-744d-4c39-b2ce-7398813615f3" xlink:href="ambc-20231231.xsd#ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityOtherSubrogation"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossUndiscountedClaimLiabilityGrossUndiscountedOtherSubrogation_b81ee383-cb51-41a1-91cc-fe3abae8ed2f" xlink:href="ambc-20231231.xsd#ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossUndiscountedClaimLiabilityGrossUndiscountedOtherSubrogation"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityOtherSubrogation_38c490fe-744d-4c39-b2ce-7398813615f3" xlink:to="loc_ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossUndiscountedClaimLiabilityGrossUndiscountedOtherSubrogation_b81ee383-cb51-41a1-91cc-fe3abae8ed2f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityDiscountOnOtherSubrogation_c522cb9b-9b1d-4eed-bc4e-6a65b83bef7c" xlink:href="ambc-20231231.xsd#ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityDiscountOnOtherSubrogation"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityOtherSubrogation_38c490fe-744d-4c39-b2ce-7398813615f3" xlink:to="loc_ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityDiscountOnOtherSubrogation_c522cb9b-9b1d-4eed-bc4e-6a65b83bef7c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationGrossClaimLiability_f8f238d3-5cdb-443e-85f9-15748dad95ec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationGrossClaimLiability"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationGrossUndiscountedClaimLiability_7aee230c-7c68-45d3-8085-2b1dc9950bd0" xlink:href="ambc-20231231.xsd#ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationGrossUndiscountedClaimLiability"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationGrossClaimLiability_f8f238d3-5cdb-443e-85f9-15748dad95ec" xlink:to="loc_ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationGrossUndiscountedClaimLiability_7aee230c-7c68-45d3-8085-2b1dc9950bd0" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationDiscountOnGrossClaimLiability_c6814968-55c4-4035-b7ee-7453947ed658" xlink:href="ambc-20231231.xsd#ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationDiscountOnGrossClaimLiability"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationGrossClaimLiability_f8f238d3-5cdb-443e-85f9-15748dad95ec" xlink:to="loc_ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationDiscountOnGrossClaimLiability_c6814968-55c4-4035-b7ee-7453947ed658" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationNetClaimLiability_7edd9365-a7f5-4f4b-b4d9-99c4e4ab4d1e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationNetClaimLiability"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationGrossClaimLiability_ba923938-2011-4df1-b75b-6092f253d209" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationGrossClaimLiability"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationNetClaimLiability_7edd9365-a7f5-4f4b-b4d9-99c4e4ab4d1e" xlink:to="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationGrossClaimLiability_ba923938-2011-4df1-b75b-6092f253d209" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityOtherSubrogation_2376e3fd-100a-485a-b9c7-76bfa8d15550" xlink:href="ambc-20231231.xsd#ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityOtherSubrogation"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationNetClaimLiability_7edd9365-a7f5-4f4b-b4d9-99c4e4ab4d1e" xlink:to="loc_ambc_ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityOtherSubrogation_2376e3fd-100a-485a-b9c7-76bfa8d15550" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/ComprehensiveIncomeScheduleofChangesinBalancesofEachComponentofAccumulatedOtherComprehensiveIncomeDetail" xlink:type="simple" xlink:href="ambc-20231231.xsd#ComprehensiveIncomeScheduleofChangesinBalancesofEachComponentofAccumulatedOtherComprehensiveIncomeDetail"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/ComprehensiveIncomeScheduleofChangesinBalancesofEachComponentofAccumulatedOtherComprehensiveIncomeDetail" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_ambc_OtherComprehensiveIncomeLossExcludingNoncontrollingInterestNetOfTax_15330152-047d-413c-8c9c-727278607902" xlink:href="ambc-20231231.xsd#ambc_OtherComprehensiveIncomeLossExcludingNoncontrollingInterestNetOfTax"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_2be2cb7a-9898-48d9-bd1d-a563fb825ed3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ambc_OtherComprehensiveIncomeLossExcludingNoncontrollingInterestNetOfTax_15330152-047d-413c-8c9c-727278607902" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_2be2cb7a-9898-48d9-bd1d-a563fb825ed3" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/ComprehensiveIncomeScheduleofAmountsReclassedOutofEachComponentofAccumulatedOtherComprehensiveIncomeDetail" xlink:type="simple" xlink:href="ambc-20231231.xsd#ComprehensiveIncomeScheduleofAmountsReclassedOutofEachComponentofAccumulatedOtherComprehensiveIncomeDetail"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/ComprehensiveIncomeScheduleofAmountsReclassedOutofEachComponentofAccumulatedOtherComprehensiveIncomeDetail" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_391ac7cc-fc09-422a-a69d-3022e95496a3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_6c3cfb21-4615-4253-b74e-41a7ec42823c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_391ac7cc-fc09-422a-a69d-3022e95496a3" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_6c3cfb21-4615-4253-b74e-41a7ec42823c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_c62f95d1-db13-4fad-b5e1-67b9d87a040f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_391ac7cc-fc09-422a-a69d-3022e95496a3" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_c62f95d1-db13-4fad-b5e1-67b9d87a040f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_31511732-1f9f-466e-b80a-6d1ac9821b94" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodAfterTax_1c7e900e-020a-46e6-923a-ec97071a9484" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodAfterTax"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_31511732-1f9f-466e-b80a-6d1ac9821b94" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodAfterTax_1c7e900e-020a-46e6-923a-ec97071a9484" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_85467952-a7df-4584-8007-5cdc417dccf7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_bd67b688-641c-44dc-a3c5-4b9cae145f9c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_85467952-a7df-4584-8007-5cdc417dccf7" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_bd67b688-641c-44dc-a3c5-4b9cae145f9c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_9ba2f940-8b32-446c-b399-036d243aed04" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_85467952-a7df-4584-8007-5cdc417dccf7" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_9ba2f940-8b32-446c-b399-036d243aed04" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodAfterTax_e51ae397-48d9-402c-aa2f-2dab33d5a639" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodAfterTax"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_81a886af-10c7-4441-9a35-b0ee19a3e1b3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodAfterTax_e51ae397-48d9-402c-aa2f-2dab33d5a639" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_81a886af-10c7-4441-9a35-b0ee19a3e1b3" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/IncomeTaxesSignificantPortionsofDeferredTaxLiabilitiesandDeferredTaxAssetsDetail" xlink:type="simple" xlink:href="ambc-20231231.xsd#IncomeTaxesSignificantPortionsofDeferredTaxLiabilitiesandDeferredTaxAssetsDetail"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/IncomeTaxesSignificantPortionsofDeferredTaxLiabilitiesandDeferredTaxAssetsDetail" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_85dd2936-a642-4a9d-af19-f27cf938a38c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsGross"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_3082a931-0699-4277-bcdf-01b9ae2b3438" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_85dd2936-a642-4a9d-af19-f27cf938a38c" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_3082a931-0699-4277-bcdf-01b9ae2b3438" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves_6b8ec296-c1b8-48c9-8b65-532184147fae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_85dd2936-a642-4a9d-af19-f27cf938a38c" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves_6b8ec296-c1b8-48c9-8b65-532184147fae" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_DeferredTaxAssetsDebentures_9a412631-a642-4797-9b37-5f3e6cb87ac7" xlink:href="ambc-20231231.xsd#ambc_DeferredTaxAssetsDebentures"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_85dd2936-a642-4a9d-af19-f27cf938a38c" xlink:to="loc_ambc_DeferredTaxAssetsDebentures_9a412631-a642-4797-9b37-5f3e6cb87ac7" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_49bee128-6040-4235-b419-e83ebc2c1646" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_85dd2936-a642-4a9d-af19-f27cf938a38c" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_49bee128-6040-4235-b419-e83ebc2c1646" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_843cfb94-f2c0-4906-9b27-2ecf297c7f33" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOther"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_85dd2936-a642-4a9d-af19-f27cf938a38c" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_843cfb94-f2c0-4906-9b27-2ecf297c7f33" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_3236af7d-292b-4cb5-9f5e-396c86984430" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_e3d85b8e-d929-4de9-a4a2-3f61b536627b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_3236af7d-292b-4cb5-9f5e-396c86984430" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_e3d85b8e-d929-4de9-a4a2-3f61b536627b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_29791aea-29af-44b5-afd6-d5d451fc7f85" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsNet"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_3236af7d-292b-4cb5-9f5e-396c86984430" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_29791aea-29af-44b5-afd6-d5d451fc7f85" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_1c5662ac-c85a-440c-bbec-889f80736c4e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_982adad1-04d9-4304-ba56-f7286f0fa0cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_1c5662ac-c85a-440c-bbec-889f80736c4e" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_982adad1-04d9-4304-ba56-f7286f0fa0cb" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_CurrentLiabilitiesVariableInterestEntity_2e78af98-b948-43b5-a92d-eb8577bd1ffd" xlink:href="ambc-20231231.xsd#ambc_CurrentLiabilitiesVariableInterestEntity"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_1c5662ac-c85a-440c-bbec-889f80736c4e" xlink:to="loc_ambc_CurrentLiabilitiesVariableInterestEntity_2e78af98-b948-43b5-a92d-eb8577bd1ffd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_DeferredTaxLiabilitiesUnearnedPremiumRevenue_7f472fec-02a1-4124-a0dc-120a0de189d5" xlink:href="ambc-20231231.xsd#ambc_DeferredTaxLiabilitiesUnearnedPremiumRevenue"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_1c5662ac-c85a-440c-bbec-889f80736c4e" xlink:to="loc_ambc_DeferredTaxLiabilitiesUnearnedPremiumRevenue_7f472fec-02a1-4124-a0dc-120a0de189d5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_f181c968-a769-4ec4-a023-377b87c6e955" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_1c5662ac-c85a-440c-bbec-889f80736c4e" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_f181c968-a769-4ec4-a023-377b87c6e955" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_4bf29240-c20e-4f6a-a1b1-3d35c55617c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsNet"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_1c7bf692-19a0-4b00-9929-1dc43f4c66db" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsGross"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_4bf29240-c20e-4f6a-a1b1-3d35c55617c4" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_1c7bf692-19a0-4b00-9929-1dc43f4c66db" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_63ff5e2a-93f1-4eaf-b24e-94956a5bee7d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_4bf29240-c20e-4f6a-a1b1-3d35c55617c4" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_63ff5e2a-93f1-4eaf-b24e-94956a5bee7d" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/IncomeTaxesIncomeTaxesProvisionforIncomeTaxesChargedToIncomeFromContinuingOperationsDetails" xlink:type="simple" xlink:href="ambc-20231231.xsd#IncomeTaxesIncomeTaxesProvisionforIncomeTaxesChargedToIncomeFromContinuingOperationsDetails"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/IncomeTaxesIncomeTaxesProvisionforIncomeTaxesChargedToIncomeFromContinuingOperationsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_4739f47e-3e8a-43ad-9706-1a49d82bae3f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_21a3a4d4-bbc1-4e2d-9d95-ead8fa033148" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4739f47e-3e8a-43ad-9706-1a49d82bae3f" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_21a3a4d4-bbc1-4e2d-9d95-ead8fa033148" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_6fa2b046-82ce-432c-a2a1-cd6ad2d9a946" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4739f47e-3e8a-43ad-9706-1a49d82bae3f" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_6fa2b046-82ce-432c-a2a1-cd6ad2d9a946" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/IncomeTaxesIncomeTaxesEffectiveTaxRatesDifferingFromPrevailingFederalCorporateIncomeTaxRatesDetails" xlink:type="simple" xlink:href="ambc-20231231.xsd#IncomeTaxesIncomeTaxesEffectiveTaxRatesDifferingFromPrevailingFederalCorporateIncomeTaxRatesDetails"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/IncomeTaxesIncomeTaxesEffectiveTaxRatesDifferingFromPrevailingFederalCorporateIncomeTaxRatesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_66a2719e-8506-444e-b642-36fdb65ba28b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_c47fe6a5-b841-4aab-aeef-9822be556511" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_66a2719e-8506-444e-b642-36fdb65ba28b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_c47fe6a5-b841-4aab-aeef-9822be556511" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome_3ee59b72-b775-4a80-8c6c-f1be65f20687" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_66a2719e-8506-444e-b642-36fdb65ba28b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome_3ee59b72-b775-4a80-8c6c-f1be65f20687" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_d66ad287-c8d6-456b-9585-a02b84a6d6d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_66a2719e-8506-444e-b642-36fdb65ba28b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_d66ad287-c8d6-456b-9585-a02b84a6d6d1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_999f5813-b04f-4640-a1a0-2902ac100916" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_66a2719e-8506-444e-b642-36fdb65ba28b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_999f5813-b04f-4640-a1a0-2902ac100916" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/IncomeTaxesScheduleofIncomeBeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="ambc-20231231.xsd#IncomeTaxesScheduleofIncomeBeforeIncomeTaxesDetails"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/IncomeTaxesScheduleofIncomeBeforeIncomeTaxesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2b68c3ad-42d7-4a76-a859-391b951aeed2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_64ee0bdd-c193-4832-b928-51d713f82a26" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2b68c3ad-42d7-4a76-a859-391b951aeed2" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_64ee0bdd-c193-4832-b928-51d713f82a26" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_6aada4b9-7146-4e5b-9b8a-20b4481a6a06" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2b68c3ad-42d7-4a76-a859-391b951aeed2" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_6aada4b9-7146-4e5b-9b8a-20b4481a6a06" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/ScheduleIICondensedFinancialInformationofRegistrantParentCompanyOnlyCondensedBalanceSheetDetails" xlink:type="simple" xlink:href="ambc-20231231.xsd#ScheduleIICondensedFinancialInformationofRegistrantParentCompanyOnlyCondensedBalanceSheetDetails"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/ScheduleIICondensedFinancialInformationofRegistrantParentCompanyOnlyCondensedBalanceSheetDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_4b8c747c-7568-4b05-b9fd-614f85d641e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Investments"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/ScheduleIICondensedFinancialInformationofRegistrantParentCompanyOnlyCondensedStatementofTotalComprehensiveIncomeDetails" xlink:type="simple" xlink:href="ambc-20231231.xsd#ScheduleIICondensedFinancialInformationofRegistrantParentCompanyOnlyCondensedStatementofTotalComprehensiveIncomeDetails"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/ScheduleIICondensedFinancialInformationofRegistrantParentCompanyOnlyCondensedStatementofTotalComprehensiveIncomeDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_aa1f4b9b-769c-4232-861d-ce9b21f09c13" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_ebb669cb-6981-431f-9fa8-2eac94328be5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_aa1f4b9b-769c-4232-861d-ce9b21f09c13" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_ebb669cb-6981-431f-9fa8-2eac94328be5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_476bce13-96cd-41b6-be41-35d378dc1d89" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_ddb475a4-7076-41b7-9d7d-f0465a0db3d6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_476bce13-96cd-41b6-be41-35d378dc1d89" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_ddb475a4-7076-41b7-9d7d-f0465a0db3d6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_f6337d37-b24a-4f8f-9ca8-b9d9920a2f9f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_476bce13-96cd-41b6-be41-35d378dc1d89" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_f6337d37-b24a-4f8f-9ca8-b9d9920a2f9f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax_3546f188-5316-45e4-bfa0-f1747e7cae69" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax"/>
<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_476bce13-96cd-41b6-be41-35d378dc1d89" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax_3546f188-5316-45e4-bfa0-f1747e7cae69" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_1a2fb1f1-cc2a-4767-b577-cdbfefd69886" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_476bce13-96cd-41b6-be41-35d378dc1d89" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_1a2fb1f1-cc2a-4767-b577-cdbfefd69886" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_3a36b2ac-91b2-4c9a-b64a-a97d347eb904" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeNet_f633445b-d1cc-4b59-bbb4-d2baf208edd3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentIncomeNet"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_3a36b2ac-91b2-4c9a-b64a-a97d347eb904" xlink:to="loc_us-gaap_InvestmentIncomeNet_f633445b-d1cc-4b59-bbb4-d2baf208edd3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIncome_3d7a7b79-7796-4060-a229-790cd34f493d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherIncome"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_3a36b2ac-91b2-4c9a-b64a-a97d347eb904" xlink:to="loc_us-gaap_OtherIncome_3d7a7b79-7796-4060-a229-790cd34f493d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_0aa1f2aa-8ba5-4388-ac8a-558fd51a8ab4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealizedInvestmentGainsLosses"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_3a36b2ac-91b2-4c9a-b64a-a97d347eb904" xlink:to="loc_us-gaap_RealizedInvestmentGainsLosses_0aa1f2aa-8ba5-4388-ac8a-558fd51a8ab4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_bbc44dff-8f25-40eb-aa0f-8fb5eb294f86" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_ca473f4f-d5df-421a-b93b-220e602b7e4c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_bbc44dff-8f25-40eb-aa0f-8fb5eb294f86" xlink:to="loc_us-gaap_NetIncomeLoss_ca473f4f-d5df-421a-b93b-220e602b7e4c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_5c835dbd-7268-44ff-b80c-3ccb60515113" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_bbc44dff-8f25-40eb-aa0f-8fb5eb294f86" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_5c835dbd-7268-44ff-b80c-3ccb60515113" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_c8ed998f-0dde-4ead-acc3-b2f3cd64adc8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_bbc44dff-8f25-40eb-aa0f-8fb5eb294f86" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_c8ed998f-0dde-4ead-acc3-b2f3cd64adc8" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax_a0d83790-826c-424c-be94-b23fc9d92ff4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax"/>
<link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_bbc44dff-8f25-40eb-aa0f-8fb5eb294f86" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax_a0d83790-826c-424c-be94-b23fc9d92ff4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_251fe267-c154-4afc-84b2-4f348d3fad26" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_bbc44dff-8f25-40eb-aa0f-8fb5eb294f86" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_251fe267-c154-4afc-84b2-4f348d3fad26" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_f341f08e-4ed9-4312-abe6-099196eed75c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_bbc44dff-8f25-40eb-aa0f-8fb5eb294f86" xlink:to="loc_us-gaap_ProfitLoss_f341f08e-4ed9-4312-abe6-099196eed75c" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.ambac.com/role/ScheduleIICondensedFinancialInformationofRegistrantParentCompanyOnlyCondensedStatementsofCashFlowsDetails" xlink:type="simple" xlink:href="ambc-20231231.xsd#ScheduleIICondensedFinancialInformationofRegistrantParentCompanyOnlyCondensedStatementsofCashFlowsDetails"/>
<link:calculationLink xlink:role="http://www.ambac.com/role/ScheduleIICondensedFinancialInformationofRegistrantParentCompanyOnlyCondensedStatementsofCashFlowsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b24c4bd1-1728-4357-a488-9165990ccd10" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_371b2b9c-f60c-4d88-989e-80777afcc937" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b24c4bd1-1728-4357-a488-9165990ccd10" xlink:to="loc_us-gaap_ProfitLoss_371b2b9c-f60c-4d88-989e-80777afcc937" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_ambc_EquityInUndistributedNetIncomeLossOfSubsidiaries_bc90e0cf-5f21-4497-adec-fd0e78451352" xlink:href="ambc-20231231.xsd#ambc_EquityInUndistributedNetIncomeLossOfSubsidiaries"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b24c4bd1-1728-4357-a488-9165990ccd10" xlink:to="loc_ambc_EquityInUndistributedNetIncomeLossOfSubsidiaries_bc90e0cf-5f21-4497-adec-fd0e78451352" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_870e7b31-5959-4013-aac5-b36d4c2bfb4b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments"/>
<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b24c4bd1-1728-4357-a488-9165990ccd10" xlink:to="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_870e7b31-5959-4013-aac5-b36d4c2bfb4b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_754f67ed-be66-41f2-bd7b-7c8f62f296e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealizedInvestmentGainsLosses"/>
<link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b24c4bd1-1728-4357-a488-9165990ccd10" xlink:to="loc_us-gaap_RealizedInvestmentGainsLosses_754f67ed-be66-41f2-bd7b-7c8f62f296e9" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_aa4d2010-e81f-43e7-80ce-01eb23edc205" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b24c4bd1-1728-4357-a488-9165990ccd10" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_aa4d2010-e81f-43e7-80ce-01eb23edc205" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_c8b08c3b-422d-4cc3-9ef6-1c8b57c3766d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b24c4bd1-1728-4357-a488-9165990ccd10" xlink:to="loc_us-gaap_ShareBasedCompensation_c8b08c3b-422d-4cc3-9ef6-1c8b57c3766d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_6ef8b2ff-3806-4a61-9bfb-ed3fc88a140d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets"/>
<link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b24c4bd1-1728-4357-a488-9165990ccd10" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_6ef8b2ff-3806-4a61-9bfb-ed3fc88a140d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_1bd04b96-559a-42e9-94b4-43dd16329c8b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
<link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b24c4bd1-1728-4357-a488-9165990ccd10" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_1bd04b96-559a-42e9-94b4-43dd16329c8b" xlink:type="arc"/>
</link:calculationLink>
</link:linkbase>


27 Previous Filings that this Filing References

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

11/07/23  Ambac Financial Group Inc.        10-Q        9/30/23  105:22M
10/06/23  Ambac Financial Group Inc.        8-K:5,9    10/05/23   12:360K
 5/09/23  Ambac Financial Group Inc.        10-Q        3/31/23  107:21M
 3/01/23  Ambac Financial Group Inc.        10-K       12/31/22  166:35M
 1/27/23  Ambac Financial Group Inc.        8-K:5,9     1/26/23   12:508K
 5/10/22  Ambac Financial Group Inc.        10-Q        3/31/22  110:23M
 2/24/22  Ambac Financial Group Inc.        10-K       12/31/21  156:33M
 6/30/21  Ambac Financial Group Inc.        8-K:1       6/24/21   12:350K
 5/10/21  Ambac Financial Group Inc.        10-Q        3/31/21  100:20M
 1/25/21  Ambac Financial Group Inc.        8-K:1,2,7   1/19/21   12:450K
 4/15/20  Ambac Financial Group Inc.        DEF 14A     4/15/20    1:2.9M
 3/02/20  Ambac Financial Group Inc.        10-K       12/31/19  152:36M
 5/09/19  Ambac Financial Group Inc.        10-Q        3/31/19  106:23M
 6/25/18  Ambac Financial Group Inc.        8-K:1,7,9   6/22/18    3:381K
 2/28/18  Ambac Financial Group Inc.        10-K       12/31/17  156:34M
 1/06/17  Ambac Financial Group Inc.        8-K:5,9     1/04/17    2:163K
12/13/16  Ambac Financial Group Inc.        8-K:1,5,9  12/13/16    4:262K
11/03/16  Ambac Financial Group Inc.        10-Q        9/30/16  102:28M
 2/29/16  Ambac Financial Group Inc.        10-K       12/31/15  164:44M
11/09/15  Ambac Financial Group Inc.        10-Q        9/30/15  104:28M
 8/11/14  Ambac Financial Group Inc.        10-Q        6/30/14  107:43M
 3/03/14  Ambac Financial Group Inc.        10-K       12/31/13  177:37M                                    Donnelley … Solutions/FA
 5/03/13  Ambac Financial Group Inc.        8-K:1,3,5,8 4/30/13    5:224K                                   Toppan Merrill/FA
 5/01/13  Ambac Financial Group Inc.        8-A12B                 5:1.6M                                   Toppan Merrill/FA
 3/16/11  Ambac Financial Group Inc.        10-K       12/31/10   13:6.4M                                   Donnelley … Solutions/FA
11/15/10  Ambac Financial Group Inc.        10-Q        9/30/10    8:3.2M                                   Donnelley … Solutions/FA
 6/08/10  Ambac Financial Group Inc.        8-K:1,9     6/07/10    5:656K                                   Donnelley … Solutions/FA
Top
Filing Submission 0000874501-24-000040   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Mon., May 13, 8:05:32.3pm ET