3M CO — Director's Dealing 2015

Nov 6, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2015-11-05

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-11-05	Common Stock	M	2560	$84.78	Acquired	12758	Direct
2015-11-05	Common Stock	S	2560	$159.23	Disposed	10198	Direct
2015-11-05	Common Stock	M	1131	$77.18	Acquired	11329	Direct
2015-11-05	Common Stock	S	100	$159.212	Disposed	11229	Direct
2015-11-05	Common Stock	S	100	$159.213	Disposed	11129	Direct
2015-11-05	Common Stock	S	131	$159.2135	Disposed	10998	Direct
2015-11-05	Common Stock	S	100	$159.2166	Disposed	10898	Direct
2015-11-05	Common Stock	S	700	$159.231	Disposed	10198	Direct
2015-11-05	Common Stock	M	1335	$54.11	Acquired	11533	Direct
2015-11-05	Common Stock	S	1335	$159.251	Disposed	10198	Direct
2015-11-05	Common Stock	M	4100	$78.72	Acquired	14298	Direct
2015-11-05	Common Stock	S	4100	$159.281	Disposed	10198	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-11-05	Non-qualified Stock Option (Right to Buy)	$84.78	M	2560	Disposed	2017-05-08	Common Stock (2560)	Direct
2015-11-05	Non-qualified Stock Option (Right to Buy)	$77.18	M	1131	Disposed	2018-05-13	Common Stock (1131)	Direct
2015-11-05	Non-qualified Stock Option (Right to Buy)	$54.11	M	1335	Disposed	2019-02-08	Common Stock (1335)	Direct
2015-11-05	Non-qualified Stock Option (Right to Buy)	$78.72	M	4100	Disposed	2020-02-07	Common Stock (4100)	Direct

Footnotes

F1: This option becomes exercisable in equal installments on each of the first three anniversaries of the grant date (2/9/2010).