Marsh & McLennan Companies to Hold Investor...

Marsh & McLennan Companies to Hold Investor Call on November 2 to Discuss Third Quarter 2011 Results

Marsh & McLennan Companies, Inc.

Marsh & McLennan Companies, Inc. (NYSE: MMC) plans to announce third quarter 2011 results on Wednesday, November 2, 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, Daniel S. Glaser, Group President and COO, 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 November 2. The discussion will include a question-and-answer period.

To participate in the teleconference, please dial 800 967 7185. Callers from outside the United States should dial 719 457 2644. The access code for both numbers is 9408324. 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.

About Marsh & McLennan Companies

MARSH & McLENNAN COMPANIES (NYSE: MMC) is a global team of professional services companies offering clients advice and solutions in the areas of risk, strategy and human capital. MARSH is a global leader in delivering risk and insurance services and solutions; GUY CARPENTER is a global leader in providing risk and reinsurance intermediary services; MERCER is a global leader in human resource consulting, outsourcing and investment services; and OLIVER WYMAN is a global leader in management consulting. Marsh & McLennan Companies’ 52,000 colleagues worldwide provide analysis, advice and transactional capabilities to clients in more than 100 countries. The Company prides itself on being a responsible corporate citizen and making a positive impact in the communities in which it operates. For more corporate information, visit www.mmc.com or www.PartneringImpact.com, which highlights the Company’s world-class capabilities and its solutions for the complex problems enterprises face today.

Marsh & McLennan Companies
Media:
Silvia Davi, [phone]
[e-mail]
Investor:
Scott Douglas, [phone]
[e-mail]