3M CO — Director's Dealing 2012

Feb 13, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2012-02-09

Reporting Person: Woodworth John K (VICE PRESIDENT CORP SC OPERTNS)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-09	Common Stock	M	8901	$88.02	Acquired	23025	Direct
2012-02-09	Common Stock	F	2782	$88.02	Disposed	20243	Direct
2012-02-09	Common Stock	M	2253.1	$88.02	Acquired	22496.1	Direct
2012-02-09	Common Stock	F	760	$88.02	Disposed	21736	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-09	Restricted Stock Units	$	M	8901	Disposed		Common Stock (8901)	Direct
2012-02-09	Restricted Stock Units	$	M	2253.1	Disposed		Common Stock (2253.1)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

F2: The restricted stock units will vest 100% three years from the grant date (2/9/2009).

F3: The restricted stock units will vest in equal installments on 2-9-2012 and 2-9-2013.