3M CO — Director's Dealing 2012

Feb 10, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

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

Reporting Person: Holmes Christopher D (EXEC VP INDUSTRIAL & TRANS)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-09	Common Stock	M	2426	$88.02	Acquired	2715	Direct
2012-02-09	Common Stock	F	818	$88.02	Disposed	1897	Direct
2012-02-09	Common Stock	M	635	$88.02	Acquired	2532	Direct
2012-02-09	Common Stock	F	208	$88.02	Disposed	2324	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-09	Restricted Stock Units	$	M	2426	Disposed		Common Stock (2426)	Direct
2012-02-09	Restricted Stock Units	$	M	635	Disposed		Common Stock (635)	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 on 2/9/2012.

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

F4: Includes shares acquired under 3M's General Employee Stock Purchase Plan.