Hewitt Announces Approval of Merger with Aon Corporation

At a special meeting of stockholders of Hewitt Associates, Inc. HEW Hewitt stockholders voted to adopt the previously announced merger agreement, dated as of July 11, 2010, among Hewitt, Aon Corporation and two wholly owned subsidiaries of Aon, pursuant to which Aon has agreed to acquire Hewitt through a merger of a wholly owned subsidiary of Aon with and into Hewitt. Completion of the transaction remains subject to customary closing conditions, including the approval of Aon's stockholders and receipt of certain regulatory approvals (including certain approvals by foreign governmental entities).