FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 1. Name and Address of Reporting Person * 2. Issuer Name and Ticker or Trading Symbol Hammes Eric D. 3M CO [ MMM ] (Last) (First) _____ Director 3. Date of Earliest Transaction (MM/DD/YYYY) (Middle) (Street) _____ 10% Owner __ X __ Officer (give title below) _____ Other (specify below) VP, Corp Controller & CAO 2/2/2016 3M CENTER 4. If Amendment, Date Original Filed (MM/DD/YYYY) 6. Individual or Joint/Group Filing (Check Applicable Line) ST. PAUL, MN 55144-1000 (City) 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) (State) 2/4/2016 _ X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code (Instr. 8) Code Common Stock 2/2/2016 V F 4. Securities Acquired (A) 5. Amount of Securities Beneficially Owned or Disposed of (D) Following Reported Transaction(s) (Instr. 3, 4 and 5) (Instr. 3 and 4) Amount (A) or (D) Price 347 (1) D $0 1795 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) D Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivate Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed 4. Trans. Code 5. Number of 6. Date Exercisable and Execution (Instr. 8) Derivative Securities Expiration Date Date, if any Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) Code V (A) (D) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) Date Expiration Amount or Number of Title Shares Exercisable Date 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) Explanation of Responses: ( On February 4, 2016, the reporting person reported the imminent delivery of a number of shares of 3M Common Stock to be delivered as a result of the 1) vesting of a performance share award made to the reporting person on March 1, 2013. The number of shares previously reported as being withheld for the payment of withholding taxes was estimated. This amendment is being filed to update the Form 4 with the actual number of shares withheld. Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Hammes Eric D. 3M CENTER ST. PAUL, MN 55144-1000 Other VP, Corp Controller & CAO Signatures /s/ Sheila B. Claugherty, attorney-in-fact for Eric D. Hammes 2/11/2016 ** Signature of Reporting Person Date 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). Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Persons who 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.