Sec Form 4 Filing - Portalatin Julio A @ MARSH & MCLENNAN COMPANIES, INC. - 2015-02-23

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Portalatin Julio A 2. Issuer Name and Ticker or Trading Symbol MARSH & MCLENNAN COMPANIES, INC. [ MMC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President and CEO, Mercer (Last) (First) (Middle) 1166 AVENUE OF THE AMERICAS 3. Date of Earliest Transaction (MM/DD/YY) 02/23/2015 (Street) NEW YORK, NY10036 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Options (Right to Buy) $ 56.84 02/23/2015 A 99,207 ( 1 ) 02/22/2025 Common Stock 99,207 $ 0 99,207 D Restricted Stock Units ( 2 ) 02/23/2015 A( 3 ) 9,897 ( 4 ) ( 4 ) Common Stock 9,897 $ 0 34,543 D Restricted Stock Units ( 2 ) 02/23/2015 A( 5 ) 27,444 ( 4 ) ( 4 ) Common Stock 27,444 $ 0 61,987 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Portalatin Julio A 1166 AVENUE OF THE AMERICAS NEW YORK, NY10036 President and CEO, Mercer Signatures /s/ Tiffany D. Wooley, Attorney-in-Fact 02/25/2015 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These options were granted on February 23, 2015 and vest in four equal annual installments on February 23rd of 2016, 2017, 2018 and 2019. ( 2 )The security converts to Marsh & McLennan Companies common stock on a 1-for-1 basis. ( 3 )These restricted stock units vest in three equal annual installments on February 28, 2016, February 28, 2017, and February 28, 2018. ( 4 )Not Applicable. ( 5 )These restricted stock units relate to performance stock units that were granted on February 24, 2012 for the performance period 2012-2014. The performance factor for these performance stock units was determined on February 23, 2015.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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