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HAMILTON, Bermuda--([ BUSINESS WIRE ])--The Board of Directors of Aspen Insurance Holdings Limited (aAspena) (NYSE:AHL) has declared a quarterly cash dividend on Aspenas ordinary shares of $0.17 per ordinary share. The amount payable has been increased by 13% from Aspenas previous quarterly cash dividend of $0.15 per ordinary share. The dividend is payable on May 25, 2012 to the holders of record as of the close of trading on May 10, 2012.

Aspenas Board of Directors also declared a cash dividend on its Perpetual Preferred Income Equity Replacement Securities (aPerpetual PIERSa) of $0.703125 per Perpetual PIERS. The dividend is payable on July 1, 2012 to the holders of record as of the close of business on June 15, 2012.

In addition, Aspenas Board of Directors declared a dividend on the 7.401% Perpetual Non-Cumulative Preference Shares (athe 7.401% Perpetual Preference Sharesa) of $0.462563 per 7.401% Perpetual Preference Share. The dividend is payable on July 1, 2012 to the holders of record as of the close of business on June 15, 2012.

Further, Aspenas Board of Directors declared a dividend on the 7.250% Perpetual Non-Cumulative Preference Shares (athe 7.250% Perpetual Preference Sharesa) of $0.4028 per 7.250% Perpetual Preference Share. The dividend is payable on July 1, 2012 to the holders of record as of the close of business on June 15, 2012.

Ends

About Aspen Insurance Holdings Limited

Aspen provides reinsurance and insurance coverage to clients in various domestic and global markets through wholly-owned subsidiaries and offices in Bermuda, France, Germany, Ireland, Singapore, Switzerland, the United Kingdom and the United States. For the year ended December 31, 2011, Aspen reported $9.5 billion in total assets, $4.5 billion in gross reserves, $3.2 billion in shareholdersa equity and $2.2 billion in gross written premiums. Its operating subsidiaries have been assigned a rating of aAa (aStronga) by Standard & Pooras, an aAa (aExcellenta) by A.M. Best and an aA2a (aGooda) by Moodyas Investors Service.

Application of the Safe Harbor of the Private Securities Litigation Reform Act of 1995

This press release may contain written aforward-looking statementsa within the meaning of the U.S. federal securities laws. These statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements include all statements that do not relate solely to historical or current facts, and can be identified by the use of words such as aexpect,a aintend,a aplan,a abelieve,a aproject,a aanticipate,a aseek,a awill,a aestimate,a amay,a acontinue,a and similar expressions of a future or forward-looking nature.

All forward-looking statements rely on a number of assumptions, estimates and data concerning future results and events and are subject to a number of uncertainties and other factors, many of which are outside Aspenas control that could cause actual results to differ materially from such statements, including changes in market conditions and their impact on our business. For a detailed description of uncertainties and other factors that could impact the forward-looking statements in this press release, please see the aRisk Factorsa section in Aspenas Annual Report on Form 10-K for the year ended December 31, 2011, filed with the U.S. Securities and Exchange Commission on February 28, 2012. Aspen undertakes no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise.

For further information

Please visit [ www.aspen.co ] or contact: