Company: AHL
Filing Date: 2025-03-19
Form Type: 20-F
Source: 0001267395-25-000019
Chunk: 168

Company: ASPEN INSURANCE HOLDINGS LTD
Filing Date: 2025-03-19
Form: 20-F
Item: Item 4
Chunk 168
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 Ki, as well as continued growth in the Carbon Syndicate.

Ceded written premiums

Total ceded written premiums for 2024 was $1,056.6 million, an increase of $93.9 million from 2023. The retention ratio increased from 60.7% in 2023, to 61.2% in 2024 largely due to the significant growth in gross written premiums noted in the other insurance line of business.

Table of Contents

Net earned premiums.

The table below shows our net earned 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 net earned 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      $                                       567.4           7.4      $                      528.5           0.3      $                
  Casualty and liability insurance                374.9                                                   6.5      352.0                                  3.0      341.6            
  Specialty insurance (1)                         333.3                                                  17.4      284.0                                 11.0      255.9            
  First party insurance (1)                       236.8                                                (13.5)      273.8                                (9.0)      301.0            
  Other insurance                                 71.6                                                  230.0      21.7                                  88.7      11.5             
  Total                                           $                                     1,584.0           8.5      $                    1,460.0           1.6      $                

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(1) Effective January 1, 2023, the Insurance segment restructured its first party and specialty insurance lines of business into two separate lines: first party insurance and specialty insurance due to changes in management structures. The 2022 period has been re-presented to ensure consistency of information.

Net earned premiums increased by $124.0 million, or 8.5%, in 2024 as compared to 2023