3M CO — Director's Dealing 2014

Oct 30, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2014-10-29

Reporting Person: Hardgrove Ian F (Sr. Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-08-08	Common Stock	G	700	—	Disposed	10236	Direct
2014-10-29	Common Stock	M	10922	$76.80	Acquired	21158	Direct
2014-10-29	Common Stock	S	500	$150.67	Disposed	20658	Direct
2014-10-29	Common Stock	S	200	$150.675	Disposed	20458	Direct
2014-10-29	Common Stock	S	400	$150.68	Disposed	20058	Direct
2014-10-29	Common Stock	S	100	$150.69	Disposed	19958	Direct
2014-10-29	Common Stock	S	1500	$150.70	Disposed	18458	Direct
2014-10-29	Common Stock	S	400	$150.705	Disposed	18058	Direct
2014-10-29	Common Stock	S	500	$150.71	Disposed	17558	Direct
2014-10-29	Common Stock	S	600	$150.72	Disposed	16958	Direct
2014-10-29	Common Stock	S	100	$150.725	Disposed	16858	Direct
2014-10-29	Common Stock	S	300	$150.73	Disposed	16558	Direct
2014-10-29	Common Stock	S	100	$150.74	Disposed	16458	Direct
2014-10-29	Common Stock	S	100	$150.7425	Disposed	16358	Direct
2014-10-29	Common Stock	S	100	$150.75	Disposed	16258	Direct
2014-10-29	Common Stock	S	100	$150.76	Disposed	16158	Direct
2014-10-29	Common Stock	S	400	$150.78	Disposed	15758	Direct
2014-10-29	Common Stock	S	1598	$150.80	Disposed	14160	Direct
2014-10-29	Common Stock	S	324	$150.81	Disposed	13836	Direct
2014-10-29	Common Stock	S	900	$150.82	Disposed	12936	Direct
2014-10-29	Common Stock	S	100	$150.83	Disposed	12836	Direct
2014-10-29	Common Stock	S	300	$150.84	Disposed	12536	Direct
2014-10-29	Common Stock	S	100	$150.845	Disposed	12436	Direct
2014-10-29	Common Stock	S	100	$150.846	Disposed	12336	Direct
2014-10-29	Common Stock	S	200	$150.855	Disposed	12136	Direct
2014-10-29	Common Stock	S	200	$150.8575	Disposed	11936	Direct
2014-10-29	Common Stock	S	400	$150.86	Disposed	11536	Direct
2014-10-29	Common Stock	S	500	$150.87	Disposed	11036	Direct
2014-10-29	Common Stock	S	200	$150.90	Disposed	10836	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-10-29	Non-qualified Stock Option (Right to Buy)	$76.80	M	10922	Disposed	2015-05-08	Common Stock (0)	Direct