3M CO — Director's Dealing 2016

Aug 1, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2016-07-29

Reporting Person: Ashish Khandpur K (Sr. VP, Chief Tech. Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-07-29	Common Stock	S	879	$178.396	Disposed	1011	Direct
2016-07-29	Common Stock	M	800	$84.78	Acquired	1811	Direct
2016-07-29	Common Stock	S	800	$178.3813	Disposed	1011	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-07-29	Non-qualified Stock Option (Right to Buy)	$84.78	M	800	Disposed	2017-05-08	Common Stock (800)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	752	Indirect
Common Stock	742	Indirect

Footnotes

F1: Includes shares acquired pursuant to 3M's Dividend Reinvestment Plan.

F2: Includes shares acquired pursuant to the 3M Voluntary Investment Plan.