3M CO — Director's Dealing 2020

May 11, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2020-05-08

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-08	Common Stock	S	6250	$148.32	Disposed	46899.5551	Direct
2020-05-08	Common Stock	M	7812	$89.47	Acquired	54711.5551	Direct
2020-05-08	Common Stock	S	7812	$148.36	Disposed	46899.5551	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-05-08	Non-qualified Stock Option (Right to Buy)	$89.47	M	7812	Disposed	2021-02-08	Common Stock (7812)	Direct

Footnotes

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