AON, STATE FARM PEN AGREEMENT

October 23, 2000

Aon Corp. and State Farm Mutual Automobile Insurance Company have signed an agreement in which State Farm will market commercial insurance specialty products developed and serviced by AON. The products, which will be sold by State Farm’s network of 16,000 agents, will expand State Farm’s commercial insurance offerings, which now include more than one million commercial policies.

Those offered initially will include coverage of professional liability; employment practices liability; directors and officers liability for small businesses and not-for-profit
organizations; and errors and omissions liability for service providers.