Company: AHL
Filing Date: 2025-05-08
Form Type: 424B4
Source: 0001628280-25-023859
Chunk: 184

Company: ASPEN INSURANCE HOLDINGS LTD
Filing Date: 2025-05-08
Form: 424B4
Chunk 184
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  18.2 | % |     |                 |   407.6 |     |          |  10.3 | % |     |                 |   369.4 |
| First party insurance(1)                   |     |                                  |   289.9 |     |          |  -8.9 | % |     |                 |   318.2 |     |          | -14.6 | % |     |                 |   372.5 |
| Other insurance                            |     |                                  |   160.2 |     |          | 235.1 | % |     |                 |    47.8 |     |          |  59.3 | % |     |                 |    30.0 |
| Total                                      |     | $                                | 2,723.5 |     |          |  11.3 | % |     | $               | 2,446.6 |     |          |  -3.4 | % |     | $               | 2,531.7 |

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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.

2024 compared to 2023

Gross written premiums increased by 11.3% in 2024 compared to 2023. The increase in financial and professional lines insurance was largely due to new business growth within our cyber liability business, as well as continued growth with existing clients participating in our cross class binders products. These increases were partially offset by reductions within our management and transactional liability business, resulting from increased competition and deterioration in market conditions globally.

The increase in gross premiums written within casualty and liability insurance was largely attributable to continued rate increases and strong market conditions within our excess casualty business, and increases within our environment liability business, which were largely due to timing of renewal premiums. These increases were partially offset by reductions in our U.S. primary casualty business, driven by an increase in rates which resulted in reductions in both the retention of existing business and new business growth.

The increase in gross written premiums in specialty insurance from 2023 to 2024 was achieved through new business growth in almost all of our specialty insurance portfolios.

The decrease in first party insurance was primarily driven by strategic exits from specific business