MMC Declares Quarterly Dividend

MMC Declares Quarterly Dividend

Marsh & McLennan

The Board of Directors of Marsh & McLennan Companies, Inc. (MMC) today declared a quarterly dividend of $.20 per share on outstanding common stock, payable on May 15, 2009 to shareholders of record on April 9, 2009.

MMC 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; Mercer, the provider of HR and related financial advice and services; Oliver Wyman, the management consultancy; and Kroll, the risk consulting firm. With more than 54,000 employees worldwide and annual revenue exceeding $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:

Laura Cora, 212-345-2731

[e-mail]

or

Investor:

Mike Bischoff, 212-345-5470

[e-mail]