AHL Aspen Insurance Holdings Limited Ordinary Shares

Conference Call on August 2, 2018

Aspen Insurance Holdings Limited (“Aspen”) (NYSE:AHL) will release its second quarter 2018 financial results on Wednesday, August 1, 2018 following the close of the New York Stock Exchange. A conference call to discuss Aspen’s results will follow at 8:00am (ET) on Thursday, August 2, 2018.

To participate in the conference call on August 2 by phone:

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

+1 (844) 378 6481 (U.S. toll free) +1 (412) 542 4176 (international) Conference ID: 10120903  

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 Aspen 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. To listen to the replay by phone please dial:

+1 (877) 344 7529 (U.S. toll free)

+1 (412) 317 0088 (international) Replay Access Code: 10120903  

The webcast replay will be also available at www.aspen.co

NOTES TO EDITORS:

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 Australia, Bermuda, Canada, Ireland, Singapore, Switzerland, the United Arab Emirates, the United Kingdom and the United States. For the year ended December 31, 2017, Aspen reported $12.9 billion in total assets, $6.7 billion in gross reserves, $2.9 billion in total shareholders’ equity and $3.4 billion in gross written premiums. Its operating subsidiaries have been assigned a rating of “A” by Standard & Poor’s Financial Services LLC, an “A” (“Excellent”) by A.M. Best Company Inc. and an “A2” by Moody’s Investors Service, Inc.

View source version on businesswire.com: https://www.businesswire.com/news/home/20180627005683/en/

Please visit www.aspen.co or contact:InvestorsMark Jones, +1 (646) 289 4945Senior Vice President, Investor Relations, Aspenmark.p.jones@aspen.coorMediaSteve Colton, +44 20 7184 8337Head of Group Communications, Aspensteve.colton@aspen.co