3M CO — Director's Dealing 2020

May 13, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2020-05-12

Reporting Person: BROWN THOMAS K (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-12	Common Stock	A	1166.541	—	Acquired	1166.541	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	6820.638	Indirect

Footnotes

F1: Includes acquisition of deferred dividend reinvestment shares pursuant to 3M's Compensation Plan for Non-Employee Directors.