3M CO — Director's Dealing 2024

May 8, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2024-04-01

Reporting Person: Reinseth Theresa E (Senior Vice President/CAO)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-04-01	Restricted Stock Units	$	A	5059	Acquired		Common Stock (5059)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

F2: Represents restricted stock units granted to the reporting person on July 1, 2022 that were subject to performance criteria that have been satisfied as of April 1, 2024. The restricted stock units will vest on June 30, 2024 presuming continued service with 3M through such date.

F3: The restricted stock units vest on June 30, 2024.