LONDON, 18 April 2008 - Aon Re Global announces the appointment of Alfonso Valera as chief executive officer of Aon Re Iberia, with effect from 1 May 2008.

He takes over the role from Javier Esteban who will continue to work with Aon Re EMEA in a senior advisor position.

Alfonso has been general manager of Aon Re Iberia since 2005 and has served in several leadership positions in Aon Re over the last 17 years, including director of the Facultative division, as well as spending five years working as a senior broker in London.  He has a law degree from Complutense University of Madrid and an MBA from Instituto de Empresa Business School.

Richard Posgate, president and chief executive officer, Aon Re EMEA, commented: "I would like to thank Javier Estaban for 40 years of outstanding service, which has built Aon Re Global into the successful Iberian reinsurance and broking operations that we see today.  Over the last three years, we’ve been working closely with Javier on succession planning and I’m delighted that Alfonso takes this position as his technical skills and market knowledge are widely respected by both clients and reinsurers alike."

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Media Contact: James White, +44 (0) 20 7086 0067

 

About Aon
Aon Re Global, the world's leading and most preferred reinsurance intermediary, provides clients with integrated capital solutions and services through a world-class network of experts in more than 35 countries. Clients are better able to differentiate and meet their business objectives with Aon Re Global's best-in-class treaty and facultative reinsurance placement services, capital markets expertise, and relevant analytics and technical expertise, including catastrophe management, actuarial, and rating agency counsel. Aon Re Global was named best reinsurance broker in 2007 and 2006 by readers of Business Insurance, in 2007 by readers of US Insurer and in 2006 by readers of Reinsurance.

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/.

This press release contains certain statements related to future results, or states our intentions, beliefs and expectations or predictions for the future 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: general economic conditions in different countries in which we do business around the world, changes in global equity and fixed income markets that could affect the return on invested assets, fluctuations in exchange and interest rates that could influence revenue and expense, rating agency actions that could affect our ability to borrow funds, funding of our various pension plans, changes in the competitive environment, our ability to implement restructuring initiatives and other initiatives intended to yield cost savings, our ability to successfully close the sales of our Combined Insurance and Sterling Life Insurance businesses, the impact of current, pending and future regulatory and legislative actions that affect our ability to market and sell, and be reimbursed at current levels for, our Sterling subsidiary's Medicare Advantage health plans, changes in commercial property and casualty markets and commercial premium rates that could impact revenues, changes in revenues and earnings due to the elimination of contingent commissions, other uncertainties surrounding a new compensation model, the impact of investigations brought by U.S. state attorneys general, U.S. state insurance regulators, U.S. federal prosecutors, U.S. federal regulators, and regulatory authorities in the U.K. and other countries, the impact of class actions and individual lawsuits including client class actions, securities class actions, derivative actions, ERISA class actions, the impact of the analysis of practices relating to stock options, the cost of resolution of other contingent liabilities and loss contingencies, and the difference in ultimate paid claims in our underwriting companies from actuarial estimates.  Further information concerning the Company and its business, including factors that potentially could materially affect the Company's financial results, is contained in the Company's filings with the Securities and Exchange Commission.

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