3M CO — Director's Dealing 2004

Jan 27, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2004-01-26

Reporting Person: REICH CHARLES (EXEC VP HEALTH CARE)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-01-26	Common Stock	M	3870	$53.625	Acquired	69267	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-01-26	Non-Qualified Stock Option (right to buy)	$53.625	M	3870	Disposed	2004-05-10	Common Stock (3870)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2143	Indirect
Common Stock	3	Indirect
Common Stock	6	Indirect