3M CO — Director's Dealing 2004

Feb 5, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2004-02-04

Reporting Person: CAMPBELL PATRICK D (VICE PRESIDENT FINANCE & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-02-04	Common Stock	P	3600	$78.78	Acquired	9588	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	276	Indirect

Footnotes

F1: The indirectly-held common stock holding (401k/PAESOP) reported in Table I includes shares acquired during the fiscal year pursuant to the 3M Voluntary Investment Plan.