TORONTO, June 10, 2008 - RBC Insurance announced today that it has signed an agreement with Aon Reed Stenhouse (Aon), making Aon its exclusive broker for competitive and comprehensive commercial property and casualty and trade credit insurance solutions to Canadian business owners.

"RBC Insurance is committed to helping Canadian business owners understand how insurance can help mitigate their business risks," said Neil Skelding, president & CEO, RBC Insurance. "Our agreement with Aon combined with our existing products and services will enable us to provide Canadian businesses - large and small - with innovative advice and effective solutions tailored to meet their insurance needs."

As the world's leading risk management service insurance brokerage firm, Aon will provide business owners with a platform built on service, convenience and a superior customer experience, as well as access to its specialized industry expertise.

"RBC Insurance business clients will benefit from being presented with multiple options from a group of insurers, rather than just one," said Chris Fawcus, president and CEO, Aon Reed Stenhouse. "These principles of counselled choice and advocacy represent the same value we have been providing Canadian businesses for the past 125 years."

About RBC Insurance
RBC Insurance provides a wide range of life, health, travel, home, auto and reinsurance products as well as creditor insurance services to more than five million clients in Canada, the U.S. and internationally. These products and services are offered through a wide variety of distribution channels, including the telephone, independent brokers, travel agents, a proprietary sales force and the Internet. More information is available at www.rbcinsurance.com.

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 by readers of Business Insurance. For more information, visit www.aon.com.

Contact:
Kerry Gaetano
Director, Employee & Business Communications
RBC Insurance
905-816-5583
Kerry.gaetano@rbc.com

Stephen Barrigar 
Manager, Corporate Communications
Aon Reed Stenhouse Inc.
416-868-5724
Stephen.barrigar@aon.ca

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, changes in commercial property and casualty markets and commercial premium rates that could impact revenues, the outcome of inquiries from regulators and investigations related to compliance with the U.S. Foreign Corrupt Practices Act and non-U.S. anti-corruption laws, 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, and the cost of resolution of other contingent liabilities and loss contingencies. 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.