Company: AHL
Filing Date: 2025-03-20
Form Type: F-1/A
Source: 0001628280-25-014149
Chunk: 40

Company: ASPEN INSURANCE HOLDINGS LTD
Filing Date: 2025-03-20
Form: F-1/A
Chunk 40
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Key Performance Measures and Non-GAAP Financial Measures.”

| Book Value per Ordinary Share (“BVPS”)               |     | ($ in millions, except percentages and per share amounts) |     | As at December 31, 
 2024               |       |   |     | 2023 |       |   |     | 2022 |       |   |
|:-----------------------------------------------------|:----|:----------------------------------------------------------|:----|:-------------------|------:|:--|:----|:-----|------:|:--|:----|:-----|------:|:--|
| Book value per share                                 |     |                                                           |     | $                  | 39.76 |   |     | $    | 35.68 |   |     | $    | 26.57 |   |
| Growth in BVPS adjusted for ordinary dividends(1)    |     |                                                           |     |                    |  18.3 | % |     |      |  33.5 | % |     |      | -18.6 | % |
| Basic weighted average shares outstanding (millions) |     |                                                           |     |                    | 60.40 |   |     |      | 60.90 |   |     |      | 60.90 |   |

_______________ (1) Growth in BVPS is adjusted to add back ordinary dividends of $195.0 million and $40.3 million for the twelve months ended December 31, 2024 and 2023, respectively, and also deducts the capital contributions of $40.0 million for the twelve months ended December 31, 2022.

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Table of C ontents

### RISK FACTORS
Investing in our ordinary shares involves risks. Prospective investors should carefully consider the risks described below, as well as other information contained in this prospectus before making a decision to invest in our ordinary shares. The risks described below are not the only ones we face. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial may also materially and adversely affect us in the future. Any of the following risks could materially adversely affect our business, financial condition, results of operations or cash flows and could impact any forward-looking statements. See “Cautionary Note Regarding Forward-Looking Statements.” In such case, the trading price of our ordinary shares may decline and investors may lose all or part of their original