Allied World U.S. Appoints Kevin Maloney, Vice President, Excess Casualty; Expands U.S. Casualty Operations

  Allied World U.S. Appoints Kevin Maloney, Vice President, Excess Casualty;
                       Expands U.S. Casualty Operations

PR Newswire

ZUG, Switzerland, July 17, 2012

ZUG, Switzerland, July 17, 2012 /PRNewswire/ -- Allied World Assurance Company
Holdings, AG (NYSE: AWH) announced today that Allied World U.S. has appointed
Kevin Maloney as Vice President, Excess Casualty. Mr. Maloney will oversee the
management and build-out of Allied World's Real Estate & Financial
Institutions practice, which will offer a host of casualty coverages tailored
to Allied World's U.S. clients. Mr. Maloney will be based in the New York
office and will report to Joe Cellura, Senior Vice President, U.S. Property
and Casualty.

Mr. Cellura commented, "I have personally known Kevin for a long time and
think he will be a great addition to the Excess Casualty team here at Allied
World. Kevin will bring more specialization to the Real Estate and Financial
Institutions practice, adding to an already robust platform, which includes
our current Real Estate product suite and Strategic Response. This new
practice will offer additional enhancements to the current product suite as
well as lead umbrella coverage and cover for premise, operations and general
liability."

Mr. Maloney has over 20 years of experience in the insurance industry. Prior
to joining Allied World, Mr. Maloney was with the American International Group
(AIG) and Chartis for 14 years where he was most recently Executive Vice
President, Excess Casualty, overseeing the Real Estate & Financial
Institutions Umbrella Division nationwide for Chartis. Before AIG, Mr.
Maloney held several management positions with Yasuda America Fire & Marine
Insurance Company and with Aetna and Travelers Insurance companies. He has a
degree in marketing from St. John's University.

For more information on the Real Estate and Financial Institutions practice,
please contact Mr. Maloney direct at KevinA.Maloney@awac.com.

About Allied World Assurance Company
Allied World Assurance Company Holdings, AG, through its subsidiaries, is a
global provider of innovative property, casualty and specialty insurance and
reinsurance solutions, offering 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 Fitch. Please visit www.awac.com for further information
on 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
pricing and policy term trends; increased competition; the impact of acts of
terrorism and acts of war; greater frequency or severity of unpredictable
catastrophic events; negative rating agency actions; the adequacy of our loss
reserves; 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.

SOURCE Allied World Assurance Company Holdings, AG

Website: http://www.awac.com
Contact: Media: Noelle Campbell, Manager, Corporate Communications,
+1-646-794-0544, noelle.campbell@awacservices.com; Investors: Keith J. Lennox,
Investor Relations Officer, +1?646?794?0750, keith.lennox@awac.com