Aon Names F. Marshall Turner, CPCU President, Property & Casualty for Combined Specialty Corporation.

Business Editors

CHICAGO--(BUSINESS WIRE)--Feb. 22, 2002

Aon Corporation (NYSE: AOC) today named F. Marshall Turner, CPCU, President - Property & Casualty, Combined Specialty Corporation.

"We're very happy to have Marshall join Combined Specialty Corporation as a member of our executive management team," said Dennis B. Reding, Chief Executive Officer of Combined Specialty Corporation. "He brings a wealth of management and underwriting experience that will help us grow a profitable property and casualty business. He will play an integral role in establishing Combined Specialty as a major independent property and casualty insurance leader."

Mr. Turner will report to Mr. Reding, and will be based in Atlanta, GA.

Mr. Turner has worked in the insurance industry for more than twenty years, with a variety of global property and casualty carriers. Most recently, he was responsible for managing specialty businesses, including Property, Inland Marine, Specialty Casualty, Excess Casualty, Affinity Markets and Specialty Programs.

Mr. Turner is a graduate of the University of Georgia (B.B.A. in Business Administration, Risk Management & Insurance, 1979) where he also continued his post-graduate studies. He holds the Chartered Property & Casualty Underwriting (CPCU) designation.

In 2001, Aon announced plans to spin off its underwriting operations to stockholders through a new company to be named Combined Specialty Corporation. The spin-off is scheduled for spring, 2002.

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 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 historical results or those anticipated, depending on a variety of factors such as 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, the final form 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, and the timing and terms associated therewith, and events surrounding terrorists attacks of September 11, 2001, including the timing and resolution of related insurance and reinsurance issues. 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.