3M CO — Director's Dealing 2018

Feb 6, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2018-02-02

Reporting Person: Vale Michael G. (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-02	Common Stock	M	3200	$54.11	Acquired	27081.0099	Direct
2018-02-02	Common Stock	S	3200	$246.98	Disposed	23881.0099	Direct
2018-02-02	Common Stock	M	3043	$54.11	Acquired	26924.0099	Direct
2018-02-02	Common Stock	S	443	$246.89	Disposed	26481.0099	Direct
2018-02-02	Common Stock	S	100	$246.90	Disposed	26381.0099	Direct
2018-02-02	Common Stock	S	100	$247.03	Disposed	26281.0099	Direct
2018-02-02	Common Stock	S	1500	$247.035	Disposed	24781.0099	Direct
2018-02-02	Common Stock	S	900	$247.05	Disposed	23881.0099	Direct
2018-02-02	Common Stock	M	2201	$54.11	Acquired	26082.0099	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-02-02	Non-qualified Stock Option (Right to Buy)	$54.11	M	3200	Disposed	2019-02-08	Common Stock (3200)	Direct
2018-02-02	Non-qualified Stock Option (Right to Buy)	$54.11	M	3043	Disposed	2019-02-08	Common Stock (3043)	Direct
2018-02-02	Non-qualified Stock Option (Right to Buy)	$54.11	M	2201	Disposed	2019-02-08	Common Stock (2201)	Direct

Footnotes

F1: Includes shares acquired under 3M's General Employee Stock Purchase Plan.

F2: Includes shares acquired pursuant to 3M's Dividend Reinvestment Plan.

F3: This option became exercisable in equal installments on each of the first three anniversaries of the grant date (2/9/2009).