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: GRENZ M KAY (Vice President HR)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	51932	Direct
Common Stock	3849	Indirect
Common Stock	462	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Incentive Stock Option (right to buy)	$58.625	2011-05-08	Common Stock (1704)	1704	Direct
Non-Qualified Stock Option (right to buy)	$61.85	2013-05-12	Common Stock (35861)	35861	Direct
Non-Qualified Stock Option (right to buy)	$63.225	2007-05-11	Common Stock (6876)	6876	Direct
Non-Qualified Stock Option (right to buy)	$63.225	2008-05-12	Common Stock (8942)	8942	Direct
Non-Qualified Stock Option (right to buy)	$63.225	2010-05-07	Common Stock (7330)	7330	Direct
Non-Qualified Stock Option (right to buy)	$64.5	2012-05-14	Common Stock (44000)	44000	Direct
Non-Qualified Stock Option (right to buy)	$64.875	2005-05-06	Common Stock (3316)	3316	Direct
Non-Qualified Stock Option (right to buy)	$64.875	2008-05-12	Common Stock (6690)	6690	Direct
Non-Qualified Stock Option (right to buy)	$64.875	2009-05-11	Common Stock (15688)	15688	Direct
Non-Qualified Stock Option (right to buy)	$64.875	2011-05-06	Common Stock (6180)	6180	Direct
Non-Qualified Stock Option (right to buy)	$84	2005-05-06	Common Stock (601)	601	Direct
Non-Qualified Stock Option (right to buy)	$84	2006-05-12	Common Stock (4288)	4288	Direct
Non-Qualified Stock Option (right to buy)	$84	2010-05-07	Common Stock (6367)	6367	Direct
Non-Qualified Stock Option (right to buy)	$84	2011-05-06	Common Stock (25259)	25259	Direct
Non-Qualified Stock Option (right to buy)	$84	2013-05-13	Common Stock (4638)	4638	Direct
Non-Qualified Stock Option (right to buy)	$84.4	2014-05-09	Common Stock (40810)	40810	Direct

Footnotes

F1: This 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.