Marsh & McLennan Companies, Inc. (NYSE: MMC), a global professional services firm offering clients advice and solutions in the areas of risk, strategy, and human capital, plans to announce second quarter 2013 results on Wednesday, August 7, 2013 in a news release to be issued before the market opens. The release will also be available on the Company’s website at www.mmc.com. Marsh & McLennan Companies President and CEO Dan Glaser and CFO Mike Bischoff will lead a discussion with investors regarding financial results at 8:30 a.m. Eastern time on August 7. The discussion will include a question-and-answer period. To participate in the teleconference, please dial +1 888 286 2314. Callers from outside the United States should dial +1 719 325 2284. The access code for both numbers is 2701177. 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 (NYSE: MMC) is a global professional services firm 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 talent, health, retirement, and investment consulting; and Oliver Wyman is a global leader in management consulting. Marsh & McLennan Companies’ approximately 54,000 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 information.