PDF of Press Release

NEW YORK, NEW YORK, July 21, 2006 - Marsh & McLennan Companies, Inc. (MMC) plans to announce second quarter 2006 results on Thursday, August 3, 2006 in a news release to be issued before the market opens. The release will also be available on MMC's website at www.mmc.com.

Michael G. Cherkasky, president and chief executive officer of MMC, and M. Michele Burns, executive vice president and chief financial officer, will lead a discussion with investors on financial results, including a question and answer period, at 10:00 a.m. Eastern Time on August 3.

To participate in the teleconference, please dial 800 240 8621. Callers from outside the United States should dial 303 205 0033. The access code for both numbers is 1634903. The audio webcast may be accessed at www.mmc.com. A replay of the webcast will be available beginning approximately two hours after the event at the same web address.

MMC is a global professional services firm with annual revenues of approximately $12 billion. It is the parent company of Marsh, the world's leading risk and insurance services firm; Guy Carpenter, the world's leading risk and reinsurance specialist; Kroll, the world's leading risk consulting company; Mercer, a major global provider of human resource and specialty consulting services; and Putnam Investments, one of the largest investment management companies in the United States. Approximately 55,000 employees provide analysis, advice, and transactional capabilities to clients in over 100 countries. Its stock (ticker symbol: MMC) is listed on the New York, Chicago, Pacific, and London stock exchanges. MMC's website address is www.mmc.com.