3M CO — Director's Dealing 2016

Dec 14, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2016-12-13

Reporting Person: Roman Michael F (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-12-13	Common Stock	M	4036	$84.78	Acquired	9971	Direct
2016-12-13	Common Stock	S	4036	$180.00	Disposed	5935	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-12-13	Non-qualified Stock Option (Right to Buy)	$84.78	M	4036	Disposed	2017-05-08	Common Stock (4036)	Direct

Footnotes

F1: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2016.

F2: Includes shares acquired under 3M's General Employee Stock Purchase Plan.