Aspen Declares Dividends on Ordinary Shares, Perpetual PIERS and Perpetual Preference Shares

HAMILTON, Bermuda--(Business Wire)--
Aspen Insurance Holdings Limited (the "Company") (NYSE:AHL) today announced that
its Board of Directors declared a quarterly cash dividend on its ordinary shares
of US$0.15 per ordinary share. The dividend is payable on May 28, 2009 to the
holders of record as of the close of trading on May 13, 2009.

The Company`s Board of Directors also declared a cash dividend on its Perpetual
Preferred Income Equity Replacement Securities ("Perpetual PIERS") of
US$0.703125 per Perpetual PIER. The dividend is payable on July 1, 2009 to the
holders of record as of the close of business on June 15, 2009.

The Company`s Board of Directors declared a dividend on the 7.401% Perpetual
Non-Cumulative Preference Shares ("Perpetual Preference Shares") of US$0.462563
per Perpetual Preference Share, payable on July 1, 2009 to the holders of record
as of the close of business on June 15, 2009.

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, Ireland, the United States, the United Kingdom, Singapore and
Switzerland. For the twelve months ended December 31, 2008, Aspen reported gross
written premiums of $2.0 billion, net income of $103.8 million and total assets
of $7.3 billion. For more information about Aspen, please visit www.aspen.bm.

Aspen Insurance Holdings Limited
Noah Fields, Head of Investor Relations, 441-297-9382

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