3M CO — Director's Dealing 2025

May 21, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2025-05-20

Reporting Person: Rhodes Kevin H (EVP, Chief Legal Off & Secret)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-20	Common Stock	M	7976	$130.14	Acquired	23123.2504	Direct
2025-05-20	Common Stock	S	7976	$154.0201	Disposed	15147.2504	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-05-20	Non-qualified Stock Option (Right to Buy)	$130.14	M	7976	Disposed	2026-02-02	Common Stock (7976)	Direct

Footnotes

F1: Includes dividend share equivalents, accrued quarterly, pursuant to 3M's Deferred Compensation Plan.

F2: Includes shares acquired under 3M's General Employee Stock Purchase Plan.