Marsh & McLennan Companies Announces Increase in Maximum Tender Amounts and Announces Consideration for Cash Tender Offers for Outstanding 5.375% Notes due 2014 and 5.750% Notes due 2015

Marsh & McLennan Companies, Inc. MMC announced today that with respect to its previously announced cash tender offers for its outstanding 5.375% Notes due 2014 and its 5.750% Notes due 2015, it increased the maximum principal amount of each series of Notes that may be purchased pursuant to the Tender Offers from $250,000,000 for each series of Notes to $330,044,000 for the 2014 Notes and $270,000,000 for the 2015 Notes, as set forth in the table below. The terms and conditions of the Tender Offers are set forth in the Company's Offer to Purchase dated June 27, 2011 and the related Letter of Transmittal. The Tender Offers are scheduled to expire at 11:59 p.m., New York City time, on July 25, 2011, unless extended or earlier terminated.