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 May 18, 2004 --------------------------------------------------------------------------------------------------------- (Date of earliest event reported) Marsh & McLennan Companies, Inc. ------------------------------------------------------------------------ (Exact name of registrant as specified in its charter) Delaware 1-5998 36-2668272 --------------------------------------------------------------------------------------------------------- (State or other jurisdiction (Commission File Number) (IRS Employer of incorporation) Identification No.) 1166 Avenue of the Americas, New York, NY 10036 --------------------------------------------------------------------------------------------------------- (Address of principal executive offices) (Zip Code) (212) 345-5000 --------------------------------------------------------------------------------------------------- (Registrant's telephone number, including area code) ITEM 5. Other Events. On May 18, 2004, Marsh & McLennan Companies, Inc. issued a press release, a copy of which is attached as Exhibit 99.1 hereto and is incorporated herein by reference. ITEM 7. Financial Statements and Exhibits. (c) Exhibits Exhibit Reference Number Exhibit Description 99.1 Press release, dated May 18, 2004, issued by Marsh & McLennan Companies, Inc. 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/ Leon J. Lichter ---------------------------- Name: Leon J. Lichter Title: Vice President & Corporate Secretary Date: May 18, 2004 ------------ Exhibit Index 99.1 Press release, dated May 18, 2004, issued by Marsh & McLennan Companies, Inc.