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 April 21, 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 7. Financial Statements and Exhibits. (a) None. (b) None. (c) Exhibits 99.1 Press Release dated April 21, 2004. Item 12. Results of Operations and Financial Condition. On April 21, 2004, Marsh & McLennan Companies, Inc. issued a press release announcing its unaudited first quarter financial results for the quarter ended March 31, 2004. A copy of the press release is attached to this Report as an exhibit and is incorporated herein by reference. 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: April 21, 2004 ------------- Exhibit Index Exhibit (99.1): Press release dated April 21, 2004.