Marsh & McLennan Companies to Hold Investor...

Marsh & McLennan Companies to Hold Investor Call on May 4 to Discuss First Quarter 2011 Results

Marsh & McLennan

Marsh & McLennan Companies, Inc. (NYSE: MMC) plans to announce first quarter 2011 results on Wednesday, May 4, 2011 in a news release to be issued before the market opens. The release will also be available on the Marsh & McLennan Companies website at www.mmc.com.

Brian Duperreault, President and CEO of Marsh & McLennan Companies, and Vanessa A. Wittman, Executive Vice President and CFO, will lead a discussion with investors on financial results at 8:30 a.m. Eastern Time on May 4. The discussion will include a question-and-answer period.

To participate in the teleconference, please dial 888 515 2235. Callers from outside the United States should dial 719 457 2630. The access code for both numbers is 6287291. The live audio webcast may be accessed at www.mmc.com. A replay of the webcast will be available approximately two hours after the event at the same web address.

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; Mercer, the provider of HR and related financial advice and services; and Oliver Wyman, the management consultancy. With 51,000 employees worldwide and annual revenue exceeding $10 billion, Marsh & McLennan Companies 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. Marsh & McLennan Companies’ website address is www.mmc.com.

Media:
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Laura Cora, 212-345-2731Laura Cora, 212-345-2731
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Investors:
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Scott Douglas, 212-345-5488Scott Douglas, 212-345-5488
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