January 2, 2013 Reinsurance Renewal Conference Calls

Aspen Re’s Chief Executive Officer, James Few, takes part today in a conference call hosted by Credit Suisse to discuss the January 1, 2013 reinsurance renewal season.

Brian Boornazian, Chairman of Aspen Re, also takes part today in a reinsurance renewal conference call hosted by Evercore.

The script prepared for these calls will be available at www.aspen.co/news from 8.00 a.m. (EST) on January 2, 2013.

The comments made in the script reflect the market as a whole, not Aspen’s bound reinsurance business during the current renewal season.

About Aspen Insurance Holdings Limited (“Aspen”)

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 shareholders’ equity and $2.2 billion in gross written premiums. Its operating subsidiaries have been assigned a rating of “A” (“Strong”) by Standard & Poor’s (“S&P”), an “A” (“Excellent”) by A.M. Best and an “A2” (“Good”) by Moody’s Investors Service (“Moody’s”).

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

This press release may contain written, and Aspen’s officers may make related oral, “forward-looking statements” within the meaning of the US federal securities laws regarding appointment of personnel, its products and business plans. 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 “expect,” “intend,” “plan,” “believe,” “project,” “anticipate,” “seek,” “will,” “estimate,” “may,” “continue,” 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, 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 release, please see the “Risk Factors” section in Aspen’s Annual Report on Form 10-K for the year ended December 31, 2011, filed with the US Securities and Exchange Commission on February 28, 2012.