3M CO — Director's Dealing 2012

Apr 30, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2012-04-27

Reporting Person: Delgado Joaquin (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-04-27	Common Stock	S	1517	$89.34	Disposed	13331	Direct
2012-04-27	Common Stock	S	908	$89.345	Disposed	12423	Direct
2012-04-27	Common Stock	S	705	$89.35	Disposed	11718	Direct
2012-04-27	Common Stock	S	2411	$89.355	Disposed	9307	Direct
2012-04-27	Common Stock	S	600	$89.36	Disposed	8707	Direct
2012-04-27	Common Stock	S	732	$89.365	Disposed	7975	Direct
2012-04-27	Common Stock	S	832	$89.375	Disposed	7143	Direct
2012-04-27	Common Stock	S	400	$89.395	Disposed	6743	Direct
2012-04-27	Common Stock	S	500	$89.405	Disposed	6243	Direct
2012-04-27	Common Stock	S	200	$89.409	Disposed	6043	Direct
2012-04-27	Common Stock	S	860	$89.415	Disposed	5183	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	985	Indirect

Footnotes

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