Edgar Filing: MARSH & MCLENNAN COMPANIES, INC.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_____________________

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report (Date of earliest event reported)

December 7, 2006

	Marsh & McLennan Companies, Inc.
(Exact Name of Registrant as Specified in Charter)

Delaware

1-5998

36-2668272

(State or Other Jurisdiction

of Incorporation)

(Commission File Number)

(IRS Employer

Identification No.)

1166 Avenue of the Americas, New York, NY	10036
(Address of Principal Executive Offices)	(Zip Code)

Registrant's telephone number, including area code

(212) 345-5000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01 Regulation FD Disclosure

As previously announced, Marsh & McLennan Companies, Inc. (“MMC”) will hold an Investor Day on Thursday, December 7, 2006. MMC's senior management will discuss the company's strategic outlook, financial performance, and growth initiatives.

The event will be hosted by Michael G. Cherkasky, president and chief executive officer of MMC, and will include presentations by senior executives of MMC and its operating companies.

The event will begin at 8:00 a.m. ET and conclude at approximately 2:00 p.m. on December 7, 2006. A live audio webcast and accompanying slide presentations may be accessed from MMC's website at www.mmc.com. Following the event, the webcast and slide presentations will be archived at the same web address.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

MARSH & McLENNAN COMPANIES, INC.

By:	/s/ Luciana Fato

Name:

Luciana Fato

Title:

Deputy General Counsel-Corporate &

Corporate Secretary

Date:

December 7, 2006