Al Orendorff Joins Aon As Public Relations Director.

Business Editors

CHICAGO--(BUSINESS WIRE)--Aug. 28, 2002

Aon Corporation (NYSE: AOC) announced today the appointment of former FRB Weber Shandwick media relations executive Al Orendorff to the newly created position of director of public relations.

Prior to joining Aon, Orendorff spent 14 years with The Allstate Corporation at the company's corporate headquarters in Northbrook, Illinois as both media executive and senior manager of that company's national media relations unit. After leaving Allstate, Orendorff spent two years as senior associate and vice president at FRB Weber Shandwick (formerly The Financial Relations Board.

"We are truly delighted to have the benefit of Al's considerable media relations expertise here at Aon," said Bob Rosholt, executive vice president of Aon Corporation.

Orendorff, a native of Lincoln, Illinois, is a graduate of Illinois State University in Normal. A former television news producer, reporter and anchor, he was recently named one of the university's outstanding communications alumni.

Aon Corporation (www.aon.com) is a holding company that is comprised of a family of insurance brokerage, consulting and insurance underwriting subsidiaries.

This press release may contain certain statements relating to future results, which are forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from either historical or anticipated results, depending on a variety of factors. Potential factors that could impact results include the general economic conditions in different countries around the world, fluctuations in global equity and fixed income markets, changes in commercial property and casualty premium rates, the competitive environment, the actual cost of resolution of contingent liabilities and other loss contingencies, the final execution of the business transformation plan, the ultimate cost and timing of the implementation thereof, the actual cost savings and other benefits resulting therefrom, whether the Company ultimately implements the proposed spin-off of its underwriting operations, rating agency actions, any proposed capital raising and the timing and terms associated therewith, and events surrounding terrorist attacks of September 11, 2001, including the timing and resolution of related insurance and reinsurance issues.