Webcast of Annual Meeting

Marsh & McLennan Co Inc
11 May 2006



News Release

Media Contacts:                              Investor Contact:

Robin Liebowitz    Jim Fingeroth             Mike Bischoff

MMC                Kekst and Company         MMC

[phone]     [phone]            [phone]


                       MMC TO WEBCAST 2006 ANNUAL MEETING
                           OF SHAREHOLDERS ON MAY 18


NEW YORK, NEW YORK, May 11, 2006-Marsh & McLennan Companies, Inc. (MMC) will
webcast its 2006 annual meeting of shareholders on Thursday, May 18, 2006 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.


MMC is a global professional services firm with annual revenues of approximately
$12 billion. 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, a major
global provider of human resource and specialty consulting services; and Putnam
Investments, one of the largest investment management companies in the United
States. Approximately 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, Pacific, 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