MMC Named 'Best Place to Work' by the Human Rig...

Company Receives Perfect Rating on HRC's Corporate Equality Index
                  Marsh & McLennan
                  

Marsh & McLennan Companies, Inc. (MMC) today announced that it has received a
100 percent rating in the 2009 Corporate Equality Index (CEI), an annual survey
administered by the Human Rights Campaign Foundation.

The Corporate Equality Index is the Foundation's annual report card, rating
employers on their treatment of gay, lesbian, bisexual and transgender
employees, consumers and investors, using a scale from 0 to 100 percent. The
top-rated businesses are recognized on HRC's Best Places to Work list.

'We are honored to receive a perfect rating in the Human Rights Campaign
Foundation's Corporate Equality Index,' said Kathryn Komsa, Vice President of
MMC Global Human Resources. 'This recognition underscores MMC's commitment to
being a diverse and inclusive organization.'

About Marsh & McLennan Companies

MMC 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; Oliver Wyman, the management consultancy; and Kroll, the risk
consulting firm. With more than 55,000 employees worldwide and annual revenue
exceeding $11 billion, MMC 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. MMC's
website address is www.mmc.com.

About the Human Rights Campaign Foundation

Through research, educational efforts and outreach, the Human Rights Campaign
Foundation encourages gay, lesbian, bisexual and transgender Americans to live
their lives openly and seeks to change the hearts and minds of Americans to the
side of equality. The HRC Foundation is a nonprofit, tax-exempt 501(3)
organization.

For more information on the 2009 Corporate Equality Index, or to download a free
copy of the report, visit www.hrc.org/cei.

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MMC
Media:
Christine Walton, 212-345-0675
[e-mail]
or
Investors:
Mike Bischoff, 212-345-5470
[e-mail]
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