3M CO — Director's Dealing 2010

Feb 12, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2010-02-11

Reporting Person: Delgado Joaquin (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-11	Common Stock	M	1704	$58.625	Acquired	5233	Direct
2010-02-11	Common Stock	S	160	$79.1107	Disposed	5073	Direct
2010-02-11	Common Stock	S	100	$79.1108	Disposed	4973	Direct
2010-02-11	Common Stock	S	400	$79.111	Disposed	4573	Direct
2010-02-11	Common Stock	S	1044	$79.114	Disposed	3529	Direct
2010-02-11	Common Stock	M	4576	$58.625	Acquired	8105	Direct
2010-02-11	Common Stock	S	1000	$79.091	Disposed	7105	Direct
2010-02-11	Common Stock	S	400	$79.092	Disposed	6705	Direct
2010-02-11	Common Stock	S	3176	$79.094	Disposed	3529	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-11	Incentive Stock Option (Right to Buy)	$58.625	M	1704	Disposed	2011-05-06	Common Stock (1704)	Direct
2010-02-11	Non-qualified Stock Option (Right to Buy)	$58.625	M	4576	Disposed	2011-05-06	Common Stock (4576)	Direct