The Board of Directors of Marsh & McLennan Companies, Inc. (NYSE: MMC), a global professional services firm providing advice and solutions in risk, strategy, and human capital, today declared a quarterly dividend of $.23 per share on outstanding common stock, payable on May 15, 2013 to shareholders of record on April 10, 2013. About Marsh & McLennan Companies 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.