AOC Aon Corp.

CHICAGO, June 23 /PRNewswire-FirstCall/ -- Aon Corporation (NYSE:AOC), the world's leading provider of global risk management and consulting services, today announced the appointment of Paul Hagy as Corporate Treasurer. Hagy, who previously held the position of Vice President, Investments and Treasury, replaces Diane Aigotti, who left the firm in April. (Logo: http://www.newscom.com/cgi-bin/prnh/20041215/CGW049LOGO) Hagy, 41, will report to Christa Davies, Executive Vice President and Chief Financial Officer, and will be responsible for capital management, money and capital markets, financial risk management, cash management, bank and rating agency relationships, and operational risk management. He also will work on long-range corporate planning activities. "As CFO, I am focusing on capital management, working with our business unit leaders to drive further growth, and improving the efficiency of Aon's global finance organization," Davies said. "Paul's extensive corporate treasury and finance experience will enhance our team's ability to drive business decisions and improve the quality of management information so that our business leaders can deliver the best value for clients." Hagy, who has 18 years of corporate treasury and finance experience at four Fortune 500 companies, joined Aon in 2002 as Assistant Treasurer, where he was responsible for the management of financial risks, short-term investments, and global financial counterparty exposure. Previously, he served in corporate treasury positions at GE Capital Corporation, Heller Financial, and Household International. Hagy holds a masters degree from the University of Chicago Graduate School of Business, and a bachelor of arts degree in financial administration from Michigan State University. About Aon Aon Corporation (NYSE:AOC) is the leading global provider of risk management services, insurance and reinsurance brokerage, human capital and management consulting. Through its 36,000 colleagues worldwide, Aon readily delivers distinctive client value via innovative and effective risk management and workforce productivity solutions. Our industry-leading global resources, technical expertise and industry knowledge are delivered locally through more than 500 offices in more than 120 countries. Aon was named the world's "best broker" by Euromoney magazine's 2008 Insurance Survey. Aon also was ranked by A.M. Best as the number one global insurance brokerage in 2007 based on brokerage revenues, and voted best insurance intermediary, best reinsurance intermediary, and best employee benefits consulting firm in 2007 by the readers of Business Insurance. For more information on Aon, log onto http://www.aon.com/ Media Contact: David Prosperi 312.381.2485 http://www.newscom.com/cgi-bin/prnh/20041215/CGW049LOGO http://photoarchive.ap.org/ DATASOURCE: Aon Corporation CONTACT: David Prosperi, +1-312-381-2485, Web site: http://www.aon.com/

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