3M CO — Director's Dealing 2016

Dec 8, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2016-12-07

Reporting Person: Hammes Eric D. (VP, Corp Controller & CAO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-12-07	Common Stock	M	436	$84.78	Acquired	2261	Direct
2016-12-07	Common Stock	S	436	$174.00	Disposed	1825	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-12-07	Non-qualified Stock Option (Right to Buy)	$84.78	M	436	Disposed	2017-05-08	Common Stock (436)	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 10, 2016.