3M CO — Director's Dealing 2004

Mar 9, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2004-03-05

Reporting Person: SAUER BRAD T (EXEC VP ELECTRO & COMMUN)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-03-05	Common Stock	A	7975	$78.66	Acquired	10051	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	623	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.
The directly-held common stock holding reported in Table I includes shares acquired during the fiscal year pursuant to 3M's General Employee Stock Purchase Plan.

F2: A grant of 7975 restricted shares of 3M common stock that will vest in equal 50% installments on March 1, 2007 and March 1, 2009, if the reporting person remains continuously employed by 3M until such dates.