3M CO — Director's Dealing 2005

Feb 3, 2005

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2004-12-31

Reporting Person: Harlan Joe E (Exec VP Electro & Commun)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	7548	Direct
Common Stock	308	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Non-Qualified Stock Option (right to buy)	$61.85	2013-05-12	Common Stock (17380)	17380	Direct
Non-Qualified Stock Option (right to buy)	$64.5	2012-05-14	Common Stock (17380)	17380	Direct
Non-Qualified Stock Option (right to buy)	$84.4	2014-05-09	Common Stock (18762)	18762	Direct

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.

F2: The directly-held common stock holding reported in Table I includes shares acquired pursuant to 3M's Dividend Reinvestment Program in transactions exempt from Section 16.