Marsh & McLennan Companies Holds 2015 Shareholder Meeting

Quarterly Dividend Increased 11%

Share Repurchase Program Increased to $2 Billion

Marsh & McLennan Companies, Inc. (NYSE:MMC) today held its annual meeting of shareholders at which the Company announced that its Board of Directors voted to increase both the Company’s quarterly cash dividend and share repurchase program.

The Board of Directors increased the quarterly cash dividend by 11% from $.28 to $.31 per share on outstanding common stock. The dividend is payable on August 14, 2015 to shareholders of record on July 10, 2015.

The Board also authorized an increase in the Company’s share repurchase program, allowing management to buy back up to $2 billion of the Company’s common stock going forward, which supersedes any prior authorization.

Marsh & McLennan Companies Independent Chairman of the Board Lord Lang of Monkton said: “Today’s actions to increase Marsh & McLennan’s quarterly dividend and share repurchase program demonstrate the Company’s commitment to creating long-term value for shareholders. The ability to return capital to investors while also investing in growth and efficiencies is a hallmark of effective capital management.”

Marsh & McLennan Companies also announced that shareholders elected the entire slate of 2015 director nominees for a one-year term expiring at next year's annual meeting. They are: Oscar Fanjul, Daniel S. Glaser, H. Edward Hanway, Lord Lang, Elaine La Roche, Maria Silvia Bastos Marques, Steven A. Mills, Bruce P. Nolop, Marc D. Oken, Morton O. Schapiro, Lloyd M. Yates and R. David Yost.

In further business at the annual meeting, shareholders ratified the selection of Deloitte & Touche LLP as the Company's independent registered public accounting firm for 2015 and approved, by nonbinding vote, the compensation of the Company’s named executive officers.

An audio webcast of the Marsh & McLennan Companies 2015 annual meeting can be accessed at www.mmc.com.

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 people. 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. With annual revenue of $13 billion and 57,000 colleagues worldwide, Marsh & McLennan Companies provides analysis, advice and transactional capabilities to clients in more than 130 countries. The Company is committed to being a responsible corporate citizen and making a positive impact in the communities in which it operates. Visit www.mmc.com for more information.

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Marsh & McLennan CompaniesMedia:Edward L. Dandridge, [e-mail]:Keith Walsh, [e-mail]