S&P’s Affirms Aon Cap-Related Deals

Standard & Poor’s Ratings Services affirmed its ratings on various synthetic transactions related to Aon Capital A, and removed them from CreditWatch with negative implications, where they were
placed on Nov. 4, 2002.

The rating actions follow the affirmation of Aon Corp.’s preferred stock rating on Nov. 8, 2002.

These synthetic securities are weak-linked to the underlying collateral
(Aon Capital A’s preferred stock), which is guaranteed by Aon Corp. The rating actions reflect the credit quality of the underlying securities issued by Aon Capital A.