Marsh & McLennan Companies, Inc. (NYSE: MMC) today announced the release of its 2010 Corporate Citizenship Report, a comprehensive view of the Company's global corporate citizenship accomplishments. The report also outlines goals for 2011, which include further reducing the Company's environmental footprint, expanding its corporate social responsibility efforts, and further strengthening its diversity and inclusion efforts.

Marsh & McLennan Companies' strong legacy of corporate citizenship has laid the groundwork for its expanded initiatives in 2010 and beyond. The Company focuses on proactively meeting the societal needs of the communities it serves and seeks to engage colleagues and drive impact at the global level through environmental sustainability, corporate social responsibility and its greatest resource - its people. By aligning corporate citizenship efforts with the interests of its colleagues, as well as its business strategy, the Company can identify business opportunities that bring shared value to employees, clients and the communities in which it operates.

"This report is our most comprehensive review of corporate citizenship to date, chronicling our accomplishments and increasing commitment to supporting communities and people at risk," said Brian Duperreault, President and Chief Executive Officer of Marsh & McLennan Companies. "Our commitment is best defined by the name of our new brand campaign Partnering for Impact, which shapes how we approach everything from our own environmental decisions, to helping clients with climate-related challenges, while fostering a diverse and inclusive workforce. It underscores how we operate, holding ourselves accountable to the very highest standards of business ethics and integrity. This year, we're expanding our efforts on multiple fronts, and are proud of this inaugural, comprehensive corporate citizenship report that captures the true spirit of our global organization," he added.

The 2010 Corporate Citizenship Report is available at: www.mmc.com/CorporateCitizenship.

Highlights from the report include:

• Winning the Socially Responsible Enterprise designation from the Mexican Center for Philanthropy and the British Insurance Awards' "Corporate and Social Responsibility Award."
  
• Providing support to a number of organizations, including: American Red Cross; CLIC Sargent; Junior Achievement Worldwide; Out & Equal Workplace Advocates; Plan International; Room to Read; StreetWise Partners; and Women's World Banking.
  
• Greener solutions in construction, including changes to space design and seating layouts, leading to a real estate portfolio reduction of 4.48 percent in 2010.
  
• Introduction of a new company-wide Code of Conduct, called The Greater Good. Watch the trailer for Faces of Marsh & McLennan Companies, a short documentary featuring Marsh & McLennan Companies colleagues around the world.
  
• Introduction of the GreenTraveler program in 2011, to aid employees in making sustainable choices when business travel is necessary.
  
• Diversity and inclusion initiatives such as the "Inclusion Network" - a recruiting concept that includes minority-, LGBT- and women-owned search firms to engage new talent.

About Marsh & McLennan Companies
Marsh & McLennan Companies is a global professional services firm providing advice and solutions in the areas of risk, strategy and human capital. It is the parent company of a number of the world's leading risk experts and specialty consultants, including Marsh, the insurance broker and risk advisor; Guy Carpenter, the risk and reinsurance specialist; Mercer, the provider of HR and related financial advice and services; and Oliver Wyman, the management consultancy. With 52,000 employees worldwide and annual revenue exceeding $10 billion, Marsh & McLennan Companies provides analysis, advice and transactional capabilities to clients in more than 100 countries. Its stock (ticker symbol: MMC) is listed on the New York, Chicago and London stock exchanges. Marsh & McLennan Companies' website address is www.mmc.com.

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