WASHINGTON D.C. (AUGUST 31, 2011) – Aon Risk Solutions, the global risk management business of Aon Corporation (NYSE: AON), today announced that Kyle Samuel has been appointed to resident sales director of the Capital office.

Samuel is primarily responsible for business development as well as providing thoughtful and customized risk management advice to Aon clients. Samuel will bring clients a new level of service and expertise to make sound decisions for their businesses. Most recently, he served as resident sales director of Aon’s Denver office.

Samuel received a Bachelor of Science degree in economics from The Colorado College and holds the Certified Insurance Counselor designation. Samuel served as a board member for Excel Institute, Summer Scholars, March of Dimes, St. Anthony Health Foundation and Jazz89 KUVO.

Media Contacts:

Kelly Drinkwine                     Cybil Rose            

312.381.2684                        312.755.3537

kelly.drinkwine@aon.com     cybil.rose@kemperlesnik.com

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About Aon

Aon Corporation (NYSE:AON) is the leading global provider of risk management services, insurance and reinsurance brokerage, and human resources solutions and outsourcing. Through its more than 59,000 colleagues worldwide, Aon unites to deliver distinctive client value via innovative and effective risk management and workforce productivity solutions. Aon's industry-leading global resources and technical expertise are delivered locally in over 120 countries. Named the world's best broker by Euromoney magazine's 2008, 2009 and 2010 Insurance Survey, Aon also ranked highest on Business Insurance's listing of the world's insurance brokers based on commercial retail, wholesale, reinsurance and personal lines brokerage revenues in 2008 and 2009. A.M. Best deemed Aon the number one insurance broker based on revenues in 2007, 2008 and 2009, and Aon was voted best insurance intermediary 2007-2010, best reinsurance intermediary 2006-2010, best captives manager 2009-2010, and best employee benefits consulting firm 2007-2009 by the readers of Business Insurance. Visit http://www.aon.com for more information on Aon and http://www.aon.com/manchesterunited to learn about Aon's global partnership and shirt sponsorship with Manchester United.

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