Aon Announces the Pricing of $500 Million of Senior Unsecured Notes

Aon Corporation announced Tuesday the pricing of $500 million of senior unsecured notes in an underwritten public offering ("Notes"). The Notes will mature on May 27, 2016 and bear interest at a fixed annual rate of 3.125%. The offering is expected to close on May 27, 2011.

Published on May 25, 2011

Net proceeds from the offering will be used for the partial repayment of Aon's $1 billion three-year Term Credit Agreement which was entered into in connection with the merger transaction with Hewitt Associates and has an outstanding principal balance of approximately $950 million as of May 24, 2011, and bears interest at a variable annual rate of Libor plus 250 basis points, currently 2.71%.
Morgan Stanley & Co. Incorporated and Merrill Lynch, Pierce, Fenner & Smith Incorporated acted as joint book-runners and lead managers with Goldman,

Sachs & Co. as co-lead manager, and Aon Benfield Securities, Inc., Credit Suisse Securities (USA) LLC, Citigroup Global Markets Inc., Deutsche Bank Securities Inc., J.P. Morgan Securities LLC and RBS Securities Inc., served as co-managers in the offering.

This offering was made pursuant to a prospectus supplement to Aon's prospectus dated June 8, 2009, filed as part of its effective shelf registration statement relating to these securities.  This press release shall not constitute an offer to sell or a solicitation of an offer to buy the securities described therein, nor shall there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or other jurisdiction.

When available, copies of the final prospectus supplement and accompanying prospectus relating to these securities may be obtained by contacting; Morgan Stanley & Co. Incorporated, 1585 Broadway, New York, New York 10036, Attention: Prospectus Department or by telephone at 1-866-718-1649; or Merrill Lynch, Pierce, Fenner & Smith Incorporated, One Bryant Park, New York, New York 10036, Attention: Prospectus Department or by telephone at 1-800-294-1322 (toll free).

About Aon

Aon Corporation  is a leading global provider of risk management services, insurance and reinsurance brokerage, and human resource consulting and outsourcing.