Aon Corporation $1 Billion Notes Offering

Davis Polk advised the joint book-running managers and representatives of the underwriters in connection with an SEC-registered offering by Aon Corporation of $1 billion aggregate principal amount of 2.800% senior notes due 2030. The notes are fully and unconditionally guaranteed by Aon plc (Ireland), Aon plc (U.K.) and Aon Global Holdings plc.

Aon Corporation, incorporated under the laws of Delaware, is an indirect, wholly owned subsidiary of Aon plc. Aon plc, which recently transferred its headquarters to Ireland, is a leading global professional services firm that provides advice and solutions focused on risk, retirement and health, delivering distinctive client value via innovative and effective risk management and workforce productivity solutions that are under-pinned by industry-leading data and analytics.

The Davis Polk corporate team included partner John G. Crowley and associates Yoojin Nairn-Kim and Johnathan M. Nixon. The tax team included partner Mario J. Verdolini and associate Ben Levenback. All members of the Davis Polk team are based in the New York office.