CHICAGO, Oct. 11 /PRNewswire-FirstCall/ -- Aon Corporation (NYSE: AOC) today declared a quarterly cash dividend of $0.15 per common share. The cash dividend is payable on November 14, 2007 to common shareholders of record at the close of business on November 1, 2007.

About Aon

Aon Corporation (www.aon.com) is a leading provider of risk management services, insurance and reinsurance brokerage, human capital and management consulting, and specialty insurance underwriting. There are 43,000 employees working in Aon's 500 offices in more than 120 countries. Backed by broad resources, industry knowledge and technical expertise, Aon professionals help a wide range of clients develop effective risk management and workforce productivity solutions.

    Investor Contact:    Scott Malchow
                         Vice President, Investor Relations
                         312-381-3983

    Media Contact:       David Prosperi
                         Vice President, Global Public Relations
                         312-381-2485


SOURCE  Aon Corporation