3M CO — Director's Dealing 2004

Feb 2, 2004

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2003-12-31

Reporting Person: REICH CHARLES (EXEC VP HEALTH CARE)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	47925	Direct
Common Stock	2143	Indirect
Common Stock	3	Indirect
Common Stock	6	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Incentive Stock Option (right to buy)	$43.3500	2010-05-09	Common Stock (2306)	2306	Direct
Incentive Stock Option (right to buy)	$47.5000	2009-05-10	Common Stock (2104)	2104	Direct
Incentive Stock Option (right to buy)	$58.6250	2011-05-08	Common Stock (1704)	1704	Direct
Non-Qualified Stock Option (right to buy)	$43.3500	2010-05-09	Common Stock (27694)	27694	Direct
Non-Qualified Stock Option (right to buy)	$53.6250	2004-05-10	Common Stock (3870)	3870	Direct
Non-Qualified Stock Option (right to buy)	$53.6250	2005-05-09	Common Stock (4572)	4572	Direct
Non-Qualified Stock Option (right to buy)	$55.3250	2006-05-12	Common Stock (5656)	5656	Direct
Non-Qualified Stock Option (right to buy)	$55.3250	2007-05-11	Common Stock (7442)	7442	Direct
Non-Qualified Stock Option (right to buy)	$58.6250	2011-05-08	Common Stock (78296)	78296	Direct
Non-Qualified Stock Option (right to buy)	$61.8500	2013-05-12	Common Stock (74000)	74000	Direct
Non-Qualified Stock Option (right to buy)	$63.0750	2013-01-27	Common Stock (31782)	31782	Direct
Non-Qualified Stock Option (right to buy)	$64.5000	2012-05-14	Common Stock (84000)	84000	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.