MMC Declares Quarterly Dividend

Marsh & McLennan
                  

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
November 15, 2007 to shareholders of record on October 15, 2007.

MMC (Marsh & McLennan Companies) is a global professional services firm
providing advice and solutions in the areas of risk, strategy and human capital.
It is the parent company of a number of the world's leading risk experts and
specialty consultants, including Marsh, the insurance broker and risk advisor;
Guy Carpenter, the risk and reinsurance specialist; Kroll, the risk consulting
firm; Mercer, the provider of HR and related financial advice and services; and
Oliver Wyman, the management consultancy. With more than 54,000 employees
worldwide and annual revenue of approximately $11 billion, MMC provides
analysis, advice, and transactional capabilities to clients in more than 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.

MMC
Media
Christine Walton, 212-345-0675
[e-mail]
or
Investors
Mike Bischoff, 212-345-5470
[e-mail]