Annual Shareholder Meeting

Marsh & McLennan Co Inc
11 May 2007

News Release

Media Contact:                                                 Investor Contact:
Christine Walton                                               Mike Bischoff
MMC                                                            MMC
212 345 0675                                                   212 345 5470



                       MMC TO WEBCAST 2007 ANNUAL MEETING
                            OF SHAREHOLDERS ON MAY 17

NEW YORK, May 11, 2007-Marsh & McLennan Companies, Inc. (MMC) will webcast its
2007 annual meeting of shareholders on Thursday, May 17, 2007 at 10:00 a.m.
Eastern Time.

The live audio webcast (which will be listen-only) will include the remarks of
Michael G. Cherkasky, president and chief executive officer of MMC.  The webcast
can be accessed at www.mmc.com. A replay will be available beginning
approximately two hours after the event.

Marsh & McLennan Companies, Inc. (MMC) is the world's premier provider of advice
and solutions in risk, strategy and human capital.  It is the parent company of
Marsh, the world's leading risk and insurance services firm; Guy Carpenter, the
world's leading risk and reinsurance specialist; Kroll, the world's leading risk
consulting company; Mercer Human Resource Consulting, the world's leading
consultancy in its field; Oliver Wyman, a leading global management consultancy;
and Putnam Investments, one of the largest investment management companies in
the United States.  More than 55,000 employees provide analysis, advice, and
transactional capabilities to clients in over 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.




                      This information is provided by RNS
            The company news service from the London Stock Exchange