TORONTO, November 22, 2010 — Aon Hewitt, the leading global human capital consulting and outsourcing business of Aon Corporation (NYSE: AON), announced the appointment of Paul Rangecroft as chief executive officer of Consulting Services in Canada, based in the firm's Toronto office.

Hewitt Associates merged with Aon Consulting on October 1st. Prior to the merger, Mr. Rangecroft led Hewitt’s retirement and actuarial practice in the east region of its U.S. operations, consulting with clients on a wide range of retirement projects over his more than 16 years with the firm.

Mr. Rangecroft is one of Aon Hewitt’s leading experts on employee ownership vehicles. He co-authored the National Center for Employee Ownership’s book on employee stock purchase plans, as well as the Cash Balance Plan Answer Book for Aspen publishers. In addition, Mr. Rangecroft, who was born in the U.K., spent two years with Hewitt as part of its international benefits consulting team in London before returning to the U.S. in 2009.

"Paul’s consulting expertise, including his work with multinational clients, his strength in strategy development and execution, and his leadership experience ideally position him to head Aon Hewitt Canada," noted Baljit Dail, global chief executive officer of Consulting, Aon Hewitt. “He will spearhead the firm’s expansion in the Canadian marketplace, with a focus on innovative solutions and superior client service.”

Mr. Rangecroft is a Fellow of the Society of Actuaries, an Enrolled Actuary, and a Member of the American Academy of Actuaries. He earned both a B.S. degree in Mathematics and a M.S. in Statistics from the University of Kent in the U.K. His appointment is effective immediately.

About Aon Hewitt
Aon Hewitt is the global leader in human capital consulting and outsourcing solutions. The company partners with organizations to solve their most complex benefits, talent and related financial challenges, and improve business performance. Aon Hewitt designs, implements, communicates and administers a wide range of human capital, retirement, investment management, health care, compensation and talent management strategies. With more than 29,000 professionals in 90 countries, Aon Hewitt makes the world a better place to work for clients and their employees. For more information on Aon Hewitt, please visit www.aonhewitt.com.

About Aon
Aon Corporation (NYSE:AON) is the leading global provider of risk management services, insurance and reinsurance brokerage, and human capital solutions and outsourcing. Through its more than 59,000 colleagues worldwide, Aon unites to deliver distinctive client value via innovative and effective risk management and workforce productivity solutions. Aon's industry-leading global resources and technical expertise are delivered locally in over 120 countries. Named the world's best broker by Euromoney magazine's 2008, 2009 and 2010 Insurance Survey, Aon also ranked highest on Business Insurance's listing of the world's insurance brokers based on commercial retail, wholesale, reinsurance and personal lines brokerage revenues in 2008 and 2009. A.M. Best deemed Aon the number one insurance broker based on revenues in 2007, 2008 and 2009, and Aon was voted best insurance intermediary 2007-2010, best reinsurance intermediary 2006-2010, best captives manager 2009-2010, and best employee benefits consulting firm 2007-2009 by the readers of Business Insurance. Visit http://www.aon.com for more information on Aon and http://www.aon.com/unitedin2010 to learn about Aon's global partnership and shirt sponsorship with Manchester United.

Media Contact: 
Marcia McDougall
416-227-5713
marcia.mcdougall@aonhewitt.com