Aspen Insurance Appoints William McElroy Global Head of Environmental

Aspen Insurance, the insurance segment of Aspen Insurance Holdings Limited (“Aspen”) (NYSE:AHL) announced today that William McElroy will be appointed Global Head of Environmental, Aspen Insurance, effective November 16, 2015.

Upon joining Aspen, Bill will lead Aspen Insurance's global environmental practice, establishing a new global platform around product capabilities and distribution across various markets and geographies. His appointment builds on the strong environmental capabilities Aspen Insurance provides within the U.S. market. Bill was until recently Senior Vice President at Liberty International Underwriters.

Mario Vitale commented, "With more than thirty years of experience, Bill brings a wealth of expertise to Aspen Insurance that will help us globalize our environmental product offerings. He will focus on bringing environmental risk transfer solutions to global customers. Bill will be an important addition to our team and I am delighted to welcome him to Aspen."

About Aspen Insurance Holdings Limited

Aspen provides reinsurance and insurance coverage to clients in various domestic and global markets through its subsidiaries and offices in Australia, Bermuda, France, Germany, Ireland, Singapore, Switzerland, the United Kingdom and the United States. For the year ended December 31, 2014, Aspen reported $10.7 billion in total assets, $4.8 billion in gross reserves, $3.4 billion in total shareholders’ equity and $2.9 billion in gross written premiums. Its operating subsidiaries have been assigned a rating of “A” (“Strong”) by Standard & Poor’s Financial Services, an “A” (“Excellent”) by A.M. Best Company Inc. and an “A2” (“Good”) by Moody’s Investor Service, Inc.

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

This press release contains "forward-looking" statements regarding future results and events, including, without limitation, statements regarding its personnel and achievement of Aspen’s strategies and business plans. 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 “expect,” “intend,” “plan,” “believe,” “do not believe,” “aim,” “project,” “anticipate,” “seek,” “will,” “likely,” “assume,” “estimate,” “may,” “continue,” “guidance,” “objective,” “outlook,” “trends,” “future,” “could,” “would,” “should,” “target” 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 Aspen’s control that could cause actual results to differ materially from such statements. For a detailed description of uncertainties and other factors that could impact the forward-looking statements in this press release, please see the “Risk Factors” section in Aspen’s Annual Report on Form 10-K for the year ended December 31, 2014 filed with the U.S. Securities and Exchange Commission on February 23, 2015. Aspen undertakes no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise.

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Please visit www.aspen.co or contact:AspenInvestorsMark Jones, [phone]Senior Vice President, Investor [e-mail] Menelly, [phone]Senior Vice President, Aspen [e-mail] Green, [phone]Office of the CEO, [e-mail] - Citigate Dewe RogersonCaroline Merrell, [phone] [e-mail] Bieneman, [phone] [e-mail] America – Abernathy MacGregorCarina Davidson, +1 212-371 [e-mail] Vento, +1 212-371 [e-mail]