Dividend Declaration

Marsh & McLennan Co Inc
14 March 2007

News Release

Media Contact:                                                 Investor Contact:
Rich Myers                                                     Mike Bischoff
Edelman for MMC                                                MMC
212 819 4807                                                   212 345 5470


                        MMC DECLARES QUARTERLY DIVIDEND


NEW YORK, NEW YORK, March 14, 2007-The Board of Directors of Marsh & McLennan
Companies, Inc. (MMC) today declared a quarterly dividend of $.19 per share on
outstanding common stock, payable on May 15, 2007 to shareholders of record on
April 6, 2007.


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. More than 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, and London stock exchanges. MMC's website
address is www.mmc.com.


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