Ownership Submission
FORM 5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Form 3 Holdings Reported
Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL 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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1. Name and Address of Reporting Person *
Woodworth John K
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 CORP SC OPERTNS
(Last)
(First)
(Middle)

3M CENTER
3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2007
(Street)


ST. PAUL, MN 55144-1000
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Reporting
(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 at end of Issuer's Fiscal Year
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Amount (A) or (D) Price
Common Stock             12,246 D  
Common Stock             2,165 I by 401k/PAESOP Trust

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. 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. SEC 2270 (9-02)

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 at End of Issuer's Fiscal Year
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (right to buy) $ 85.55 05/11/2007   J   2,041 (1) 12/15/2004 05/11/2007 Common Stock
2,041
$ 0 0
D
 
Incentive Stock Option (right to buy) $ 43.35           05/09/2001 05/09/2010 Common Stock
2,306
  2,306
D
 
Incentive Stock Option (right to buy) $ 45.85           05/13/1998 05/13/2007 Common Stock
2,180
  2,180
D
 
Incentive Stock Option (right to buy) $ 47.5           05/11/2000 05/10/2009 Common Stock
2,104
  2,104
D
 
Incentive Stock Option (right to buy) $ 58.625           05/08/2002 05/08/2011 Common Stock
1,704
  1,704
D
 
Non-Qualified Stock Option (right to buy) $ 63.075           12/17/2002 05/07/2010 Common Stock
2,504
  2,504
D
 
Non-Qualified Stock Option (right to buy) $ 63.2525           12/04/2003 05/07/2010 Common Stock
3,892
  3,892
D
 
Non-Qualified Stock Option (right to buy) $ 64.5           05/15/2003 05/14/2012 Common Stock
17,380
  17,380
D
 
Non-Qualified Stock Option (right to buy) $ 76.8           05/10/2006 05/10/2015 Common Stock
28,079
  28,079
D
 
Non-Qualified Stock Option (right to buy) $ 76.95           12/23/2005 05/06/2011 Common Stock
7,611
  7,611
D
 
Non-Qualified Stock Option (right to buy) $ 79.8           12/27/2006 05/06/2011 Common Stock
2,954
  2,954
D
 
Non-Qualified Stock Option (right to buy) $ 79.8           12/27/2006 05/13/2013 Common Stock
4,089
  4,089
D
 
Non-Qualified Stock Option (right to buy) $ 84.4           05/12/2005 05/09/2014 Common Stock
14,582
  14,582
D
 
Non-Qualified Stock Option (right to buy) $ 84.78           05/08/2008 05/08/2017 Common Stock
27,497
  27,497
D
 
Non-Qualified Stock Option (right to buy) $ 85.55           12/15/2004 05/12/2008 Common Stock
2,089
  2,089
D
 
Non-Qualified Stock Option (right to buy) $ 85.55           12/15/2004 05/11/2009 Common Stock
2,136
  2,136
D
 
Non-Qualified Stock Option (right to buy) $ 85.55           12/15/2004 05/06/2011 Common Stock
921
  921
D
 
Non-Qualified Stock Option (right to buy) $ 87.35           05/09/2007 05/09/2016 Common Stock
30,000
  30,000
D
 
Non-Qualified Stock Option (right to buy) $ 88.95           02/02/2008 05/13/2013 Common Stock
7,409
  7,409
D
 

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Woodworth John K
3M CENTER
ST. PAUL, MN 55144-1000
      VICE PRESIDENT CORP SC OPERTNS  

Signatures

By: GeorgeAnn Biros For: John Karl Woodworth 01/10/2008
**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).
(1) This transaction is an expiration of an employee stock option. No value was received by the reporting person for the expiration and it is being reported voluntarily for informational purposes. The expiration is exempt from the short-swing profits recovery provisions pursuant to Rule 16b-6(d) and is exempt from the reporting requirements pursuant to Rule 16a-4(d).
 
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.
The directly-held common stock holding reported in Table I includes shares acquired pursuant to 3M's Dividend Reinvestment Program in transactions exempt from Section 16.

Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.