Company: AHL
Filing Date: 2025-05-08
Form Type: 424B4
Source: 0001628280-25-023859
Chunk: 174

Company: ASPEN INSURANCE HOLDINGS LTD
Filing Date: 2025-05-08
Form: 424B4
Chunk 174
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 segment operations and is consistent with how management measures the performance of its segments. We do not allocate our assets by business segments as we evaluate underwriting results of each segment separately from the results of our investment portfolio.

Segment profit or loss for each of our business segments is measured by underwriting income or loss. Refer to “Note 3—Segment Reporting” of our audited consolidated financial statements for information on gross and net premiums written and earned, underwriting income or loss, and combined ratios and reserves for each of our business segments.

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Reinsurance

Our Reinsurance segment consists of property catastrophe reinsurance, other property reinsurance, casualty reinsurance and specialty reinsurance. Results for the Reinsurance segment for the twelve months ended December 31, 2024, 2023 and 2022, were as follows:

| Underwriting Revenues                                                            |     | Twelve Months Ended December 31,        
 2024                                    
 ($ in millions, except for percentages) |         |   |     | % Change       |        |   |     | 2023 |         |   |     | % Change       |        |   |     | 2022 |         |   |
|:---------------------------------------------------------------------------------|:----|:----------------------------------------|--------:|:--|:----|:---------------|-------:|:--|:----|:-----|--------:|:--|:----|:---------------|-------:|:--|:----|:-----|--------:|:--|
| Gross written premiums                                                           |     | $                                       | 1,885.8 |   |     |                |   24.0 | % |     | $    | 1,521.0 |   |     |                |  -15.8 | % |     | $    | 1,807.0 |   |
| Net written premiums                                                             |     |                                         | 1,275.7 |   |     |                |   16.2 | % |     |      | 1,098.0 |   |     |                |  -23.0 | % |     |      | 1,426.4 |   |
| Net earned premiums                                                              |     |                                         | 1,305.7 |   |     |                |   13.1 | % |     |      | 1,154.5 |   |     |                |   -7.8 | % |