3M CO — Director's Dealing 2012

Feb 21, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2012-02-17

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-17	Common Stock	S	572	$87.791	Disposed	21164	Direct
2012-02-17	Common Stock	S	5100	$87.792	Disposed	16064	Direct
2012-02-17	Common Stock	S	638	$87.802	Disposed	15426	Direct
2012-02-17	Common Stock	S	421	$87.812	Disposed	15005	Direct
2012-02-17	Common Stock	S	321	$87.824	Disposed	14684	Direct
2012-02-17	Common Stock	S	100	$87.8307	Disposed	14584	Direct
2012-02-17	Common Stock	S	100	$87.8311	Disposed	14484	Direct
2012-02-17	Common Stock	S	160	$87.8321	Disposed	14324	Direct
2012-02-17	Common Stock	S	200	$87.834	Disposed	14124	Direct