3M CO — Director's Dealing 2012

Mar 14, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2012-03-13

Reporting Person: YEOMANS JAN L (VICE PRESIDENT AND TREASURER)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-03-13	Common Stock	M	3085	$86.95	Acquired	63404	Direct
2012-03-13	Common Stock	S	3085	$88.50	Disposed	60319	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-03-13	Non-qualified Stock Option (Right to Buy)	$86.95	M	3085	Disposed	2012-05-14	Common Stock (3085)	Direct

Footnotes

F1: Shares were sold pursuant to a Rule 10b5-1 trading plan dated February 17, 2012.

F2: Includes shares acquired under 3M's General Employee Stock Purchase Plan.