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: Lalor Angela S (VICE PRESIDENT HR)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-09	Common Stock	M	9093	$88.02	Acquired	16970	Direct
2012-02-09	Common Stock	F	2976	$88.02	Disposed	13994	Direct
2012-02-09	Common Stock	M	2541	$88.02	Acquired	16535	Direct
2012-02-09	Common Stock	F	937	$88.02	Disposed	15598	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-09	Restricted Stock Units	$	M	9093	Disposed		Common Stock (9093)	Direct
2012-02-09	Restricted Stock Units	$	M	2541	Disposed		Common Stock (2541)	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 date of grant (2/9/2009).

F3: The restricted stock units will vest in equal installments on each of the first three anniversaries of the grant date (2/9/2010).

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