SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Bauman James L

(Last)

(First)

(Middle)

3M CENTER

(Street)

ST. PAUL

55144-1000

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/01/2015

3. Issuer Name and Ticker or Trading Symbol
3M CO [ MMM ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
Vice President

5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	2,849	D
Common Stock⁽¹⁾	395	I	By Daughter

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Non-qualified Stock Option (Right to Buy)	05/09/2007	05/09/2016	Common Stock	5,392	87.35	D
Non-qualified Stock Option (Right to Buy)	05/08/2008	05/08/2017	Common Stock	6,392	84.78	D
Non-qualified Stock Option (Right to Buy)	05/13/2009	05/13/2018	Common Stock	12,616	77.18	D
Non-qualified Stock Option (Right to Buy)	02/09/2010	02/08/2019	Common Stock	11,660	54.11	D
Non-qualified Stock Option (Right to Buy)	02/09/2011	02/07/2020	Common Stock	16,065	78.72	D
Non-qualified Stock Option (Right to Buy)	02/08/2012	02/08/2021	Common Stock	10,922	89.47	D
Non-qualified Stock Option (Right to Buy)⁽²⁾	02/07/2013	02/07/2022	Common Stock	8,996	87.89	D
Non-qualified Stock Option (Right to Buy)⁽³⁾	02/05/2014	02/03/2023	Common Stock	35,105	101.49	D
Non-qualified Stock Option (Right to Buy)⁽⁴⁾	02/04/2015	02/02/2024	Common Stock	23,095	126.72	D
Restricted Stock Units	⁽⁵⁾	⁽⁵⁾	Common Stock	4,630	0⁽⁶⁾	D

Explanation of Responses:

1. The reporting person disclaims beneficial ownership of these shares except to the extent of the reporting person's pecuniary interest in the shares.

2. This option becomes exercisable in equal installments on each of the first three anniversaries of the grant date (2/7/2012).

3. This option becomes exercisable in equal installments on each of the first three anniversaries of the grant date (2/5/2013).

4. This option becomes exercisable in equal installments on each of the first three anniversaries of the grant date (2/4/2014).

5. The restricted stock units will vest 100% on 9-1-2015.

6. Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

	/s/ Sheila B. Claugherty, attorney-in-fact for James L. Bauman	01/07/2015
	** 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 5 (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 Number.