3M CO — Director's Dealing 2007

Feb 6, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2007-02-02

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-02-02	Common Stock	S	1528	$73.7917	Disposed	8297	Direct
2007-02-02	Common Stock	M	2180	$45.85	Acquired	10477	Direct
2007-02-02	Common Stock	F	1352	$73.895	Disposed	9125	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-02-02	Non-Qualified Stock Option (right to buy)	$84.4	M	2180	Disposed	2014-05-09	Common Stock (2180)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2034	Indirect