3M CO — Director's Dealing 2017

May 10, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2017-05-09

Reporting Person: ULRICH ROBERT J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-09	Common Stock	A	7	—	Acquired	16228	Direct
2017-05-09	Common Stock	A	377	—	Acquired	16605	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	6842	Indirect

Footnotes

F1: This reported transaction involves an increase in the Annual Cash Retainer portion of the non-employee director compensation, effective January 1, 2017, that was approved by the Board of Directors on May 9, 2017.