CHICAGO, Jan. 19 /PRNewswire-FirstCall/ -- Aon Corporation (NYSE: AON) plans to announce fourth quarter 2009 results on Friday, February 5, 2010 in a news release to be issued before the market opens. Greg Case, president and CEO will host a conference call at 7:30 am Central Time on Friday, February 5, 2010. The conference call will be broadcast live through Aon's website at www.aon.com. Windows Media Player is required to listen to this webcast. A replay will be available shortly after the live webcast. The earnings release will be available on Aon's web site at www.aon.com.

About Aon

Aon Corporation (NYSE: AON) is the leading global provider of risk management services, insurance and reinsurance brokerage, and human capital consulting. Through its more than 36,000 colleagues worldwide, Aon readily delivers 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 through more than 500 offices in more than 120 countries. Named the world's best broker by Euromoney magazine's 2008 and 2009 Insurance Survey, Aon also ranked highest on Business Insurance's listing of the world's largest 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 brokerage revenues in 2007, 2008 and 2009, and Aon was voted best insurance intermediary, best reinsurance intermediary and best employee benefits consulting firm in 2007, 2008 and 2009 by the readers of Business Insurance. For more information on Aon, log on to http://www.aon.com.


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SOURCE Aon Corporation