Rating agency Moody's has confirmed the senior debt rating of Aon Corporation at Baa2 and the company's Prime-2
commercial paper rating.

Moody's said the decision had been made following the company's successful completion of its $900m capital enhancement plans. The capital raising is through a
combination of common equity and privately placed convertible senior debentures.

Moody's also confirmed the Baa1 insurance financial strength rating of Combined Insurance Company of America's (CICA). The outlook for the ratings is stable.

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