Aon Announces Dividend

Aon Corporation today declared a quarterly cash dividend of $0.15 per common share. The cash dividend is payable on Nov. 14, 2005 to common stockholders of record at the close of business on Nov. 1, 2005.

Aon Corporation, based in Chicago, is a provider of risk management services, insurance and reinsurance brokerage, human capital and management consulting, and specialty insurance underwriting.