Company: AHL
Filing Date: 2025-03-19
Form Type: 20-F
Source: 0001267395-25-000019
Chunk: 166

Company: ASPEN INSURANCE HOLDINGS LTD
Filing Date: 2025-03-19
Form: 20-F
Item: Item 4
Chunk 166
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                            (0.1)        3.4  
  Loss ratio                                                                                                               61.6                            (2.9)       64.5                              1.2       63.3  
  Acquisition cost ratio                                                                                                   12.2                              0.4       11.8                            (0.7)       12.5  
  General and administrative expense ratio                                                                                 16.7                              0.7       16.0                            (1.0)       17.0  
  Combined ratio                                                                                                           90.5                            (1.8)       92.3                            (0.5)       92.8  
  Adjusted combined ratio (2)                                                                                              89.9                              0.9       89.0                            (0.3)       89.3  

____________

(1) Adjusted losses and loss adjustment expenses and the adjusted loss ratio are calculated by adjusting the losses and loss adjustment expenses and loss ratio to remove the impact of the LPT. Adjusted losses and loss adjustment expenses and the adjusted loss ratio are non-GAAP financial measures as defined under SEC rules and regulations. The calculations are presented above. Refer to “ Reconciliation of Non-GAAP Financial Measures” for further details.

(2) Adjusted underwriting income and the adjusted combined ratio are calculated by adjusting the underwriting income and the combined ratio to remove the impact of the LPT. Adjusted underwriting income and the adjusted combined ratio are non-GAAP financial measures as defined under SEC rules and regulations. The calculations are presented above. Refer to “ Reconciliation of Non-GAAP Financial Measures” for further details.

Table of Contents

Gross written premiums

The table below shows our gross written premiums for each line of business in our Insurance segment for the twelve months ended December 31, 2024, 2023 and 2022 and the percentage change in gross written premiums for each line of business.

                                                  Twelve Months Ended December 31,                                                                                                  
  Lines of Business                               2024                                                             2023                                            2022             
                                                  ($ in millions)                                    % change      ($ in millions)                   % change      ($ in millions)  
 ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
  Financial and professional lines insurance      $                                     1,053.5           5.1      $                    1,002.1         (7