Company: AHL
Filing Date: 2025-04-29
Form Type: F-1/A
Source: 0001628280-25-020463
Chunk: 503

Company: ASPEN INSURANCE HOLDINGS LTD
Filing Date: 2025-04-29
Form: F-1/A
Chunk 503
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,452.5 |     |          |   857.8 |     |          | 1,436.9 |     |            |       |     |            |   909.7 |     |             | 179.4 |     |          | 1,469.6 |     |                | 244.0 |
| Total                        |     | $           | 319.0 |     | $          | 2,813.2 |     | $        | 1,720.2 |     | $        | 2,688.7 |     | $          | 188.1 |     | $          | 1,680.0 |     | $           | 431.8 |     | $        | 2,896.0 |     | $              | 386.5 |

<div align='center'>S-6</div>

### ASPEN INSURANCE HOLDINGS LIMITED
<div align='center'>SCHEDULE IV - REINSURANCE</div>

<div align='center'>For the Twelve Months Ended December 31, 2024, 2023 and 2022</div>

Premiums Written

|      |     | Direct          
 ($ in millions) |         |     | Assumed |         |     | Ceded |          |     | Net Amount |         |
|:-----|:----|:----------------|--------:|:----|:--------|--------:|:----|:------|---------:|:----|:-----------|--------:|
| 2024 |     | $               | 2,723.5 |     | $       | 1,885.8 |     | $     | -1,666.7 |     | $          | 2,942.6 |
| 2023 |     | $               | 2,446.6 |     | $       | 1,521.0 |     | $     | -1,385.7 |     | $          | 2,581.9 |
| 2022 |     | $               | 2,531.7 |     | $       | 1,807.0 |     | $     | -1,442.7 |     | $          | 2,896.0 |

Premiums Earned

|      |     | Gross Amount                            
 ($ in millions, except for percentages) |         |     | Assumed From 
 Other        
 Companies