Aspen Announces Departure of Head of Specialty and Head of Insurance

HAMILTON, Bermuda, Sept. 11  /PRNewswire-FirstCall/ -- Aspen Insurance Holdings Limited ("Aspen") (NYSE:AHL) (BSX:AHLBSX:BH) announced today that Nick Bonnar, Head of Specialty, and Ian Beaton, Head of Insurance, have resigned to take up new positions in the industry.  Ian Beaton will leave with immediate effect and it is expected that Nick Bonnar will remain with the Company until the expiration of his notice period in March 2007.

A further announcement regarding succession arrangements will be made in due course.

Chris O'Kane, Aspen's Chief Executive said:

"One of the founding principles of Aspen is the strength and depth of our underwriting talent.  Within our specialty lines and insurance portfolios we have teams of talented underwriters, many of whom are acknowledged leaders in their particular fields.  As a result, brokers and clients can continue to expect the same high levels of service from Aspen.  I would like to take this opportunity to thank Nick and Ian for their contributions to the Company.  We wish them every success for the future."

About Aspen Insurance Holdings Limited

Aspen Insurance Holdings Limited was established in June 2002. Aspen is a Bermudian holding company that provides property and casualty reinsurance in the global market, property and liability insurance principally in the United Kingdom and the United States and specialty insurance and reinsurance consisting mainly of marine and energy and aviation worldwide. Aspen's operations are conducted through its wholly-owned subsidiaries located in London, Bermuda and the United States: Aspen Insurance UK Limited, Aspen Insurance Limited and Aspen Specialty Insurance Company. Aspen has four operating segments: property reinsurance, casualty reinsurance, specialty insurance and reinsurance and property and casualty insurance. Aspen's principal existing founding shareholders include The Blackstone Group, Candover Partners Limited and Credit Suisse First Boston Private Equity.

For more information about Aspen, please visit Aspen's website at http://www.aspen.bm/. 

DATASOURCE: Aspen Insurance Holdings Limited



CONTACT:  Aspen Investor contact, Noah Fields, [phone]; or North

American Press Contacts - Mike Pascale, Eliza Johnson, both of The Abernathy

MacGregor Group, [phone]; or European Press Contacts - Brian Hudspith,

Michelle Jeffery, both of Maitland, [phone]



Web site:  http://www.aspen.bm/ 

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