Aspen to Release Q1 Results Today; Conference Call on April 27

Bermuda-based Aspen Insurance Holdings Limited will release its first quarter 2006 financial results today, Wednesday, April 26, 2006, following the closing of the U.S. markets. The Company will hold a conference call to discuss its financial results on Thursday, April 27, 2006 at 8:30 a.m. (Eastern Time).

The conference call will be webcast live on the ‘Investor Relations’ section of Aspen’s web site, which is located at http://www.aspen.bm.

Chris O’Kane, Chief Executive Officer, and Julian Cusack, Chief Financial Officer, will review Aspen’s first quarter 2006 financial results. Following their review, questions will be taken from registered analysts and investors. The conference call is expected to last approximately one hour.

Investors may participate in the live conference call by dialing 800-473-6123 (toll-free domestic U.S.) or 973-582-2706 (international); conference ID: 7171715. Please call to register at least 10 minutes before the conference call begins. A replay of the call will be available for 10 days via telephone starting approximately two hours following the live call on April 27, 2006, and can be accessed at 877-519-4471 (toll-free domestic U.S.) or 973-341-3080 (international); digital pin: 7171715. A replay will also be available for 10 days via Aspen’s website.