Aspen to Announce Second Quarter 2014 Earnings on July 23, 2014

Conference Call on July 24, 2014

Aspen Insurance Holdings Limited (“Aspen”) (NYSE:AHL) will release its second quarter 2014 financial results on Wednesday, July 23, 2014, following the close of the New York Stock Exchange. A conference call to discuss the results will follow at 9:00am (ET) on Thursday, July 24, 2014.

To participate in the July 24 conference call by phone:

Please call to register at least 10 minutes before the conference call begins, dialling:

[phone] (US toll free)

[phone] (international)

Conference ID 60476327

To listen live online:

Aspen will provide a live webcast on the Aspen website.

To download the materials:

The earnings press release and a detailed financial supplement will also be published on the website.

To listen later:

A replay of the call will be available approximately two hours after the end of the live call for 14 days via phone and internet. To listen to the replay by phone please dial:

[phone] (US toll free)

[phone] (international)

Replay ID 60476327

The recording will be also available at www.aspen.co.

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, 2013, Aspen reported $10.2 billion in total assets, $4.7 billion in gross reserves, $3.3 billion in shareholders’ equity and $2.6 billion in gross written premiums. Its operating subsidiaries have been assigned a rating of “A” (“Strong”) by Standard & Poor’s, an “A” (“Excellent”) by A.M. Best and an “A2” (“Good”) by Moody’s.

For further informationPlease visit www.aspen.co or:orInvestorsAspenKerry Calaiaro, [phone]Senior Vice President, Investor [e-mail] de Guzman, [phone]Vice President, Investor [e-mail] Colton, [phone]Head of [e-mail] – Citigate Dewe RogersonCaroline Merrell, [e-mail] Bieneman, [e-mail] America – Abernathy MacGregorCarina Davidson, [e-mail] Vento, [e-mail]