Allied World Assurance Company Holdings, AG (NYSE:AWH) announced today that Michael Garrison has been appointed Senior Vice President of Asia-Pacific for Allied World Global Markets. Mr. Garrison will report to Julian James, President of Allied World Global Markets, and will relocate to Singapore in December. In this role, Mr. Garrison will be responsible for the strategic leadership of the Global Markets insurance operations in Asia-Pacific. He will oversee the implementation of the region's strategic plan and be responsible for the oversight of the company's direct insurance offices in Hong Kong, Singapore, Malaysia, and Australia.

Mr. James commented, “We are extremely pleased to have someone of Mike’s calibre joining us to continue growing our Asia-Pacific footprint. Mike’s global experience and strong track record of growing a strategic business will be invaluable as we fully realize the strength of our platform following the acquisition of the Hong Kong and Singapore operations of Royal & Sun Alliance Insurance plc.”

Mr. William Cotter, current Executive Vice President of Asia-Pacific, will return to the U.S. to manage the North American Business Development team in Allied World North America. He will relocate to Boston at the end of the year.

Mr. James commented, “We’re extremely grateful for Bill’s leadership in Asia over the past 7 years. He has been instrumental to the success that we’ve had in the region since opening our office in Hong Kong in 2008 and we look forward to the contributions he’ll make to our North America business.”

Mr. Garrison joins us with over 20 years of international experience in the insurance industry in Hong Kong, New York, London, Bermuda and Paris. Prior to joining Allied World, Mr. Garrison was most recently Senior Vice President and Chief Underwriting Officer at Starr Companies where he created and developed first-party underwriting platforms for International Onshore Energy, Global Construction, Global Exploration & Production and International General Property. He also managed strategic planning and development and coordinated local compliance, operations and systems for Starr’s new country start-ups and managed all lines of underwriting authority and aggregates for Starr’s Bermuda company, its subsidiaries and branches.

About Allied World

Allied World Assurance Company Holdings, AG, through its subsidiaries and brand known as Allied World, is a global provider of innovative property, casualty and specialty insurance and reinsurance solutions. Allied World offers superior client service through a global network of offices and branches. All of Allied World's rated insurance and reinsurance subsidiaries are rated A by A.M. Best Company, A by Standard & Poor's, and A2 by Moody's, and our Lloyd's Syndicate 2232 is rated A+ by Standard & Poor's and AA- by Fitch.

Please visit the following for further information on Allied World: Web: www.awac.com | Facebook: www.facebook.com/alliedworld | LinkedIn: http://www.linkedin.com/company/Allied-World.

Cautionary Statement Regarding Forward-Looking Statements

Any forward-looking statements made in this press release reflect our current views with respect to future events and financial performance and are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such statements involve risks and uncertainties, which may cause actual results to differ materially from those set forth in these statements. For example, our forward-looking statements could be affected by risks that the acquisitions of the Hong Kong and Singapore operations of Royal & Sun Alliance Insurance plc disrupt the company's current plans and operations; the ability to retain key personnel; the ability to recognize the benefits of the acquisitions; the amounts of costs, fees, expenses, and charges related to the acquisitions; pricing and policy term trends; increased competition; the adequacy of our loss reserves; negative rating agency actions; greater frequency or severity of unpredictable catastrophic events; the impact of acts of terrorism and acts of war; the company or its subsidiaries becoming subject to significant income taxes in the United States or elsewhere; changes in regulations or tax laws; changes in the availability, cost or quality of reinsurance or retrocessional coverage; adverse general economic conditions; and judicial, legislative, political and other governmental developments, as well as management's response to these factors, and other factors identified in our filings with the U.S. Securities and Exchange Commission. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date on which they are made. We are under no obligation (and expressly disclaim any such obligation) to update or revise any forward-looking statement that may be made from time to time, whether as a result of new information, future developments or otherwise.