Aon Joins Other New York Area Companies Sponsoring Howard University Summer Intern Event.

Business Editors

NEW YORK--(BUSINESS WIRE)--May 14, 2003

Chicago-based Aon (NYSE:AOC) is joining a number of New York area insurance and consulting firms that have teamed up with Howard University to sponsor a special summer intern program designed to encourage highly qualified students to enter the insurance and consulting professions.

Howard University's Summer Intern School -- presented annually by the Center for Insurance Education of the Howard University School of Business (Washington D.C.). -- will take place in New York City from Sunday, May 11 through Friday, May 16. Aon will host about 60 Howard students for the afternoon on Wednesday, May 14, beginning at 12 p.m. at the Hotel Pennsylvania, 401 7th Ave. & 33rd St.

Aon speakers for the afternoon will include, Al Diamond, chairman of Aon Risk Services in New York and Janis Robinson, Aon's director of diversity. The theme of the day will be a case study on "The Effect of the Insurance Industry on the Global Business Marketplace." The study will review some of the larger issues affecting the insurance industry today, from premium increases to asbestos to government legislation.

The Summer Intern School has conducted this annual weeklong event for more than 20 years. The program is designed for outstanding students interested in learning more about insurance and retirement consulting from industry professionals. Each year, Howard University identifies a major American city with an insurance and retirement industry presence to host the Summer Intern School. There will be approximately 60 students participating this year.

Additional sponsors include The Allstate Corporation, California State Automobile Association, The Chubb Corporation, Dreyfus Corporation, The Hartford Financial Services Group, Housing Authority Insurance Group, J.P. Morgan Chase & Co., Liberty Mutual, Mercer Human Resource Consulting, Metropolitan Life Insurance Company, Nationwide, New York Life Insurance Company, The Principal Financial Group, State Farm Insurance, and Travelers Property Casualty.

About Aon Corporation:

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

This press release contains 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, exchange rates, rating agency actions, pension funding, changes in commercial property and casualty markets and commercial premium rates, the competitive environment, the actual costs of resolution of contingent liabilities and other loss contingencies, the heightened level of potential errors and omissions liability arising from placements of complex policies and sophisticated reinsurance arrangements in an insurance market in which insurer reserves are under pressure, the ultimate impact of the business transformation plan, and the timing and resolution of related insurance and reinsurance issues relating to the events of September 11, 2001. Further information concerning the Company and its business, including factors that potentially could materially affect the Company's financial results, are contained in the Company's filings with the Securities and Exchange Commission.