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: 2014-10-28

Reporting Person: McGrath Marlene Mary (Sr VP - Human Resources)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-10-28	Common Stock	M	2236	$87.35	Acquired	9062	Direct
2014-10-28	Common Stock	S	500	$150.84	Disposed	8562	Direct
2014-10-28	Common Stock	S	1336	$150.8401	Disposed	7226	Direct
2014-10-28	Common Stock	S	400	$150.86	Disposed	6826	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-10-28	Non-qualified Stock Option (Right to Buy)	$87.35	M	2236	Disposed	2016-05-09	Common Stock (0)	Direct