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BSX Approves Listing of up to 81,251,609 Ordinary Shares of Aspen Insurance Holdings Ltd.

16 16 2004

Hamilton, Bermuda, 16 June 2004 - The Listing Committee of the Bermuda Stock Exchange (BSX) today announced the approval of the listing of up to 81,251,609 Ordinary Shares of Aspen Insurance Holdings Limited (the "Company").

The Company was incorporated under the laws of Bermuda on 23rd May, 2002 as Exali Reinsurance Holdings Limited and subsequently changed its name to Aspen Insurance Holdings Limited on 22nd November, 2002. The Company's Ordinary Shares began trading on the New York Stock Exchange (NYSE) on 4th December, 2003 under the symbol "AHL". The BSX listing is a secondary listing and is effective from 10th May, 2004. The Company's trading symbol on the BSX is "AHL.BH".

Aspen Insurance Holdings Limited is a Bermuda holding company that provides property and casualty reinsurance in the global market, property and liability insurance principally in the United Kingdom and surplus lines insurance in the United States through its wholly-owned subsidiaries located in London, Bermuda and the United States. For the year ended 31st December 2003, the Company wrote $1,306.8 million in gross premiums and had shareholders' equity of $1,298.7 million.

The listing of the Ordinary Shares of Aspen Insurance Holdings Ltd. was sponsored by LOM Capital Limited.

"The BSX welcomes Aspen Insurance Holdings Ltd. to listing," said Mr. James S. McKirdy, Chief Compliance Officer of the BSX. "Aspen Insurance joins the growing list of Bermuda-domiciled insurance companies to list on the Exchange on a secondary basis."

"We are pleased to join the Bermuda Stock Exchange," said Chris O'Kane, Chief Executive Officer of Aspen Insurance Holdings Limited. "As a Bermuda-domiciled reinsurer and insurer, the BSX listing augments our growing stature in the global marketplace that we aim to serve. The listing also strengthens our ties with the local business community, a community that we expect to help foster through our own growth."

"LOM Capital is proud to have sponsored the Aspen Insurance listing on the BSX," said Zac Collins of LOM Capital. "The listing is LOM Capital's sixth BSX reinsurance company sponsorship. Aspen Insurance is a great addition to the growing number of world class, Bermuda-based reinsurance and insurance companies listed in Bermuda."