3M CO — Director's Dealing 2020

May 5, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2020-05-04

Reporting Person: Silberhorn Ty R (Senior Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-04	Common Stock	M	14623	$101.49	Acquired	16571.4153	Direct
2020-05-04	Common Stock	S	14623	$146.46	Disposed	1948.4153	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-05-04	Non-qualified Stock Option (Right to Buy)	$101.49	M	14623	Disposed	2023-02-03	Common Stock (14623)	Direct

Footnotes

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