Marsh CEO Peter Zaffino to Speak at AIFA Conference on March 6

Business Wire, Inc.

NEW YORK--(BUSINESS WIRE)-- Marsh & McLennan Companies, Inc. (NYSE: MMC), a global professional services firm providing advice and solutions in risk, strategy and human capital, announced today that Peter Zaffino, President and CEO of Marsh, will speak at the annual conference of the Association of Insurance and Financial Analysts (AIFA) on Tuesday, March 6, 2012 at 10:15 a.m. Eastern Time. Marsh is a global leader in insurance broking and risk management and a wholly owned subsidiary of Marsh & McLennan Companies.

The live audio webcast of Mr. Zaffino’s presentation can be accessed at www.mmc.com. A replay will be available approximately two hours after the presentation.

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 insurance broking and risk management; GUY CARPENTER is a global leader in providing risk and reinsurance intermediary services; MERCER is a global leader in human resource consulting and related 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. Visit www.mmc.com for more corporate information, or www.PartneringImpact.com to learn more about the Company’s world-class capabilities and its solutions to the complex problems enterprises face today.