Marsh & McLennan Companies, Inc. (NYSE: MMC), a global professional services firm providing advice and solutions in risk, strategy, and human capital, announced today that Helen Shan will join the Company as Vice President and Treasurer. Ms. Shan’s appointment is effective April 15. In her new role, she will oversee all areas of the Company’s global treasury organization, including capital management, pensions, investments, and cash management. She will report directly to Chief Financial Officer J. Michael Bischoff. Ms. Shan joins Marsh & McLennan Companies from Pitney Bowes, where she began as Vice President and Treasurer in 2005 and assumed the additional role of Vice President, Finance, along with responsibility for Corporate Development and Investor Relations, in 2010. Prior to Pitney Bowes, she spent 11 years at JPMorgan Securities, where she served in a variety of roles, including Managing Director, Diversified Industries. Ms. Shan began her career as a Quantitative Analyst/Controller at Salomon Brothers. “Helen is a proven leader whose deep experience and broad financial expertise make her well suited to implement the Company’s long-term growth and capital allocation strategies,” said Mr. Bischoff. “We look forward to her contributions as a key member of the finance team.” Ms. Shan holds an MBA from Johnson at Cornell University and dual undergraduate degrees from the University of Pennsylvania’s Wharton School of Business and School of Applied Science and Engineering. 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.