3M CO — Director's Dealing 2009

Oct 29, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2009-10-27

Reporting Person: SAUER BRAD T (EXEC VP HEALTH CARE)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-10-27	Common Stock	M	16253	$61.85	Acquired	67897	Direct
2009-10-27	Common Stock	F	13226	$76.00	Disposed	54671	Direct
2009-10-27	Common Stock	F	989	$76.00	Disposed	53682	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2009-10-27	Non-qualified Stock Option (Right to Buy)	$61.85	M	16253	Disposed	2013-05-12	Common Stock (16253)	Direct
2009-10-27	Non-qualified Stock Option (Right to Buy)	$76.00	A	14215	Acquired	2013-05-13	Common Stock (14215)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1388	Indirect

Footnotes

F1: Includes shares acquired during the fiscal year pursuant to the 3M Voluntary Investment Plan.