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 OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * THULIN INGE G   2. Issuer Name and Ticker or Trading Symbol 3M CO [MMM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman, President & CEO (Last) (First) (Middle) 3M CENTER 3. Date of Earliest Transaction (Month/Day/Year) 08/05/2014 (Street) ST. PAUL, MN 55144-1000 4. If Amendment, Date Original Filed(Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 Common Stock 08/05/2014   S   200 D $ 139.5907 115,929 D   Common Stock 08/05/2014   S   1,400 D $ 139.6 114,529 D   Common Stock 08/05/2014   S   100 D $ 139.6021 114,429 D   Common Stock 08/05/2014   S   100 D $ 139.606 114,329 D   Common Stock 08/05/2014   S   1,000 D $ 139.61 113,329 D   Common Stock 08/05/2014   S   200 D $ 139.6121 113,129 D   Common Stock 08/05/2014   S   1,400 D $ 139.62 111,729 D   Common Stock 08/05/2014   S   200 D $ 139.6214 111,529 D   Common Stock 08/05/2014   S   1,800 D $ 139.63 109,729 D   Common Stock 08/05/2014   S   1,999 D $ 139.64 107,730 D   Common Stock 08/05/2014   S   1,201 D $ 139.65 106,529 D   Common Stock 08/05/2014   S   500 D $ 139.66 106,029 D   Common Stock 08/05/2014   S   500 D $ 139.67 105,529 D   Common Stock 08/05/2014   S   400 D $ 139.68 105,129 D   Common Stock 08/05/2014   S   200 D $ 139.6828 104,929 D   Common Stock 08/05/2014   S   1,300 D $ 139.69 103,629 D   Common Stock 08/05/2014   S   200 D $ 139.6921 103,429 D   Common Stock 08/05/2014   S   200 D $ 139.6993 103,229 D   Common Stock 08/05/2014   S   2,400 D $ 139.7 100,829 D   Common Stock 08/05/2014   S   1,300 D $ 139.71 99,529 D   Common Stock 08/05/2014   S   100 D $ 139.7162 99,429 D   Common Stock 08/05/2014   S   1,200 D $ 139.72 98,229 D   Common Stock 08/05/2014   S   100 D $ 139.7262 98,129 D   Common Stock 08/05/2014   S   1,200 D $ 139.73 96,929 D   Common Stock 08/05/2014   S   2,400 D $ 139.74 94,529 D   Common Stock 08/05/2014   S   100 D $ 139.744 94,429 D   Common Stock 08/05/2014   S   2,900 D $ 139.75 91,529 D   Common Stock 08/05/2014   S   3,581 D $ 139.76 87,948 D   Common Stock 08/05/2014   S   400 D $ 139.7614 87,548 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
THULIN INGE G 3M CENTER ST. PAUL, MN 55144-1000	X		Chairman, President & CEO

Signatures

/s/ George Ann Biros, attorney-in-fact for Inge G. Thulin		08/06/2014
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
Remarks: 2 of 3

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