Mathis Cabiallavetta, MMC Vice Chairman, Office...

Marsh & McLennan
                  

Marsh & McLennan Companies, Inc. (MMC) today announced that Mathis
Cabiallavetta, Vice Chairman, Office of the CEO of MMC, will be retiring from
his position effective September 1, at which time he will join the Board of
Directors of Swiss Re. Mr. Cabiallavetta will continue to serve MMC as Chairman
of its International Advisory Board.

'Mathis has made an invaluable contribution to MMC during his nine and a half
years with us, and we greatly appreciate all he has done to help MMC,
particularly internationally,' said Brian Duperreault, President and CEO of MMC.
'We congratulate him on his appointment to the Swiss Re Board, and are
especially pleased that we will continue to benefit from his insight and
experience as he leads our International Advisory Board.'

Mr. Cabiallavetta, age 63, joined MMC in 1999. Previously he was Chairman of the
Board of UBS AG, which he joined in 1971. He is a member of the Boards of
Directors of Altria Group, Inc. and BlackRock, Inc. Mr. Cabiallavetta is also a
member of the Advisory Board of General Atlantic Partners in New York.

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 56,000 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.

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MMC
Media:
Vince Beatty, 212-345-5644
[e-mail]
or
Investor:
MMC
Mike Bischoff, 212-345-5470
[e-mail]
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