OMB APPROVAL UNITED STATES SECURITIES AND EXCHANGE COMMISSION OMB Number: 3235-0101 Washington, D.C. 20549 Expires: March 31,2011 FORM 144 Estimated average burden hours per response...2.00 NOTICE OF PROPOSED SALE OF SECURITIES SEC USE ONLY PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933 DOCUMENT SEQUENCE NO. ATTENTION: Transmit for filing 3 copies of this form concurrently with either placing an order CUSIP NUMBER with a broker to execute sale or executing a sale directly with a market maker 1 (a) NAME OF ISSUER (Please type or print) (b) IRS IDENT. NO. (c) S.E.C. FILE NO. WORK LOCATION Marsh & McLennan Companies, Inc. 36-2668272 1-5998 1(d)ADDRESS OF ISSUER STREET CITY STATE ZIP CODE (e)TELEPHONE 1166 Avenue of the Americas, New York, NY 10036 AREA CODE NUMBERS 212 345-5000 2 (a) NAME OF PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD Edward Scott Gilbert (b) (c) RELATIONSHIP ADDRESS STREET CITY STATE ZIP CODE TO ISSUER C/O Marsh & McLennan Companies, Inc. Officer 1166 Avenue of the Americas, New York, NY 10036 INSTRUCTION: The person filing this notice should contact the issuer to obtain the I.R.S. identification Number and the S.E.C. File Number. 3 (a) Title of (b) Name and SEC (c) Number (d) Aggregate (e) Number of (f) Approximate (g) Name of the Class Address of USE of Market Value Shares or Date of Sale Each of Each ONLY Shares (See instr. Other Units (See instr. Secutities Securities Broker or Other 3(d)) Outstanding 3(f)) Exchange To Be Through Units To (See instr. (MO. DAY (See instr. Sold whom the Be Sold 3(e)) YR.) 3(g)) Securities (See Are To Be instr. Offered or 3(c)) Each Market Broker- Maker who Dealer Is File Acquiring Number the Securities UBS Financial Services Common 90 State House Square 7,727 181,584.50 523,825,031 08/26/09 NYSE 14th Floor (as of 08/25/09) (as of 07/31/09) Hartford, CT 06103 Smith Barney Common A Division of Citigroup 1,836 43,146.00 523,825,031 08/26/09 NYSE Global Markets Inc. (as of 08/25/09) (as of 07/31/09) 101 Park Avenue, New York NY 10178 Common The Bank of New York Mellon 1,887 44,344.50 523,825,031 08/26/09 NYSE 500 Ross Street, 6th Floor (as of 08/25/09) (as of 07/31/09) Pittsburgh, PA 15219 INSTRUCTIONS: 1. (a) Name of issuer (b) Issuer's I.R.S. Identification Number (c) Issuer's S.E.C. file number, if any (d) Issuer's address, including zip code (e) Issuers's telephone number, including area code 2. (a) Name of person for whose account the securities are to be sold (b) Such person's relationship to the issuer (e.g., officer, director, 10% stockholder, or member of immediate family of any of the foregoing) (c) Such person's address, including zip code 3. (a) Title of the class of securities to be sold (b) Name and Address of each broker through whom the securities are intended to be sold (c) Number of shares or other units to be sold (if debt securities, give the aggregate face amount) (d) Aggregate market value of the securities to be sold as of a specified date within 10 days prior to the filing of this notice (e) Number of shares or other units of the class outstanding, or if debt securities the face amount thereof outstanding, as shown by the most recent report or statement published by the issuer (f) Approximate date on which the securities are to be sold (g) Name of each securities exchange, if any, on which the securities are intended to be sold Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. TABLE I -- SECURITIES TO BE SOLD Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor: Name of Person from Nature of Whom Acquired Date you Acquisition (if gift, also give Amount of Securities Date of Nature of Title of the Class Acquired Transaction date donor acquired) Acquired Payment Payment Common 01/24/05 Awarded Pursuant Marsh & McLennan 1,887 N/A N/A 01/24/05 to the Issuer's Companies, Inc. 1,836 01/24/05 2000 Senior Executive 1,799 03/15/06 Incentive and Stock 4,265 02/12/07 Award Plan. 875 02/12/07 788 INSTRUCTIONS: If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid. TABLE II -- SECURITIES SOLD DURING THE PAST 3 MONTHS Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold. Title of Securities Amount of Securities Name and Address of Seller Sold Date of Sale Sold Gross Proceeds None. REMARKS: INSTRUCTIONS: ATTENTION: See the definition of "person" in paragraph (a) The person for whose account the securities to which this of Rule 144. Information is to be given not only notice relates are to be sold hereby represents by signing as to the person for whose account the this notice that he does not know any material adverse securities are to be sold but also as to all information in regard to the current and prospective operations other persons included in that definition. In of the Issuer of the securities to be sold which has not been addition, information shall be given as to sales publicly disclosed. If such person has adopted a written trading by all persons whose sales are required by plan or given trading instructions to satisfy Rule 10b5-1 under paragraph (e) of Rule 144 to be aggregated with the Exchange Act, by signing the form and indicating the date that sales for the account of the person filing this the plan was adopted or the instruction given, that person makes notice. such representation as of the plan adoption or instruction date. 08-26-2009 /s/ Edward Scott Gilbert __________________________________ __________________________________ DATE OF NOTICE (SIGNATURE) Date of plan adoption or giving of instruction, if relying on Rule 10b5-1 The notice shall be signed by the person for whose account the securities are to be sold. At least one copy of the notice shall be manually signed. Any copies not manually signed shall bear typed or printed signatures ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)