3M CO — Director's Dealing 2017

Nov 2, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2017-10-31

Reporting Person: Vrohidis Ippocratis (VP CAO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-10-31	Common Stock	M	804	$89.47	Acquired	898	Direct
2017-10-31	Common Stock	S	200	$230.34	Disposed	698	Direct
2017-10-31	Common Stock	S	157	$230.35	Disposed	541	Direct
2017-10-31	Common Stock	S	273	$230.36	Disposed	268	Direct
2017-10-31	Common Stock	S	174	$230.361	Disposed	94	Direct
2017-10-31	Common Stock	M	921	$87.89	Acquired	1015	Direct
2017-10-31	Common Stock	S	821	$230.3267	Disposed	194	Direct
2017-10-31	Common Stock	S	100	$230.3369	Disposed	94	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-10-31	Non-qualified Stock Option (Right to Buy)	$89.47	M	804	Disposed	2021-02-08	Common Stock (804)	Direct
2017-10-31	Non-qualified Stock Option (Right to Buy)	$87.89	M	921	Disposed	2022-02-07	Common Stock (921)	Direct

Footnotes

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

F2: The reporting person held the option for the benefit of his former spouse and had no pecuniary interest in the option.