SEC FORM 4

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

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

1. Name and Address of Reporting Person^*

PALENSKY FRED J

(Last)

(First)

(Middle)

3M CENTER

(Street)

ST. PAUL

55144-1000

(City)

(State)

(Zip)

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

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
VICE PRESIDENT R&D

3. Date of Earliest Transaction (Month/Day/Year)
05/14/2007

4. 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 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/14/2007		M		6,958	A	$63.525	44,211	D
Common Stock	05/14/2007		F		5,210	D	$84.83	39,001	D
Common Stock	05/14/2007		F		663	D	$84.83	38,338	D
Common Stock	05/14/2007		M		26,517	A	$64.5	64,855	D
Common Stock	05/14/2007		F		20,162	D	$84.83	44,693	D
Common Stock	05/14/2007		F		2,713	D	$84.83	41,980	D
Common Stock	05/14/2007		M		822	A	$63.525	42,802	D
Common Stock	05/14/2007		F		615	D	$84.83	42,187	D
Common Stock	05/14/2007		F		88	D	$84.83	42,099	D
Common Stock	05/14/2007		M		6,540	A	$63.525	48,639	D
Common Stock	05/14/2007		F		4,897	D	$84.83	43,742	D
Common Stock	05/14/2007		F		701	D	$84.83	43,041	D
Common Stock	05/14/2007		M		8,225	A	$61.85	51,266	D
Common Stock	05/14/2007		F		5,996	D	$84.83	45,270	D
Common Stock	05/14/2007		F		951	D	$84.83	44,319	D
Common Stock								3,574	I	by 401k/PAESOP Trust

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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Non-Qualified Stock Option (right to buy)	$61.85	05/14/2007		M			8,225	05/14/2004	05/12/2013	Common Stock	8,225	$0	31,775	D
Non-Qualified Stock Option (right to buy)	$63.525	05/14/2007		M			6,958	07/07/2003	05/12/2008	Common Stock	6,958	$0	0	D
Non-Qualified Stock Option (right to buy)	$63.525	05/14/2007		M			822	07/07/2003	05/11/2009	Common Stock	822	$0	0	D
Non-Qualified Stock Option (right to buy)	$63.525	05/14/2007		M			6,540	07/07/2003	05/07/2010	Common Stock	6,540	$0	0	D
Non-Qualified Stock Option (right to buy)	$64.5	05/14/2007		M			26,517	05/15/2003	05/14/2012	Common Stock	26,517	$0	0	D
Non-Qualified Stock Option (right to buy)	$84.83	05/14/2007		A		5,873		11/14/2007	05/12/2008	Common Stock	5,873	$0	5,873	D
Non-Qualified Stock Option (right to buy)	$84.83	05/14/2007		A		703		11/14/2007	05/11/2009	Common Stock	703	$0	703	D
Non-Qualified Stock Option (right to buy)	$84.83	05/14/2007		A		5,598		11/14/2007	05/07/2010	Common Stock	5,598	$0	5,598	D
Non-Qualified Stock Option (right to buy)	$84.83	05/14/2007		A		22,875		11/14/2007	05/14/2012	Common Stock	22,875	$0	22,875	D
Non-Qualified Stock Option (right to buy)	$84.83	05/14/2007		A		6,947		11/14/2007	05/13/2013	Common Stock	6,947	$0	6,947	D

Explanation of Responses:

Remarks:

The indirectly-held common stock holding (401k/PAESOP) reported in Table I includes shares acquired during the fiscal year pursuant to the 3M Voluntary Investment Plan.

	By: GeorgeAnn Biros For: Frederick Joseph Palensky	05/16/2007
	** 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).
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