3M CO — Director's Dealing 2003

Jul 25, 2003

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2003-07-25

Reporting Person: WIENS HAROLD J (EXEC VP INDUSTRIAL)

Footnotes

F1: The following information would typically be included in Column 5 of Table I.
-Individual currently owns 877 shares of indirectly-held common stock holding (401k/PAESOP), which includes shares acquired during the fiscal year pursuant to the 3M Voluntary Investment Plan.

F2: Shares held in corporate custody as restricted shares and awarded under the applicable 3M Management Stock Ownership Program pursuant to Rule 16b-3(d) have been distributed to participant (including shares withheld for taxes) pursuant to the provisions of the Program.