3M CO — Director's Dealing 2005

Feb 19, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2005-02-16

Reporting Person: GRENZ M KAY (VICE PRESIDENT HR)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-02-16	Common Stock	M	3316	$64.875	Acquired	55268	Direct
2005-02-16	Common Stock	M	601	$84	Acquired	55869	Direct
2005-02-16	Common Stock	M	12739	$61.85	Acquired	68608	Direct
2005-02-16	Common Stock	F	9143	$86.175	Disposed	59465	Direct
2005-02-16	Common Stock	F	1175	$86.175	Disposed	58290	Direct
2005-02-16	Common Stock	M	23122	$61.85	Acquired	81412	Direct
2005-02-16	Common Stock	F	16595	$86.175	Disposed	64817	Direct
2005-02-16	Common Stock	F	2786	$86.175	Disposed	62031	Direct
2005-02-16	Common Stock	M	8942	$63.225	Acquired	70973	Direct
2005-02-16	Common Stock	F	6560	$86.175	Disposed	64413	Direct
2005-02-16	Common Stock	F	1016	$86.175	Disposed	63397	Direct
2005-02-16	Common Stock	M	6876	$63.225	Acquired	70273	Direct
2005-02-16	Common Stock	F	5044	$86.175	Disposed	65229	Direct
2005-02-16	Common Stock	F	781	$86.175	Disposed	64448	Direct
2005-02-16	Common Stock	M	7330	$63.225	Acquired	71778	Direct
2005-02-16	Common Stock	F	5377	$86.175	Disposed	66401	Direct
2005-02-16	Common Stock	F	833	$86.175	Disposed	65568	Direct
2005-02-16	Common Stock	M	10796	$64.5	Acquired	76364	Direct
2005-02-16	Common Stock	F	8080	$86.175	Disposed	68284	Direct
2005-02-16	Common Stock	F	1159	$86.175	Disposed	67125	Direct
2005-02-16	Common Stock	S	3316	$85.91	Disposed	63809	Direct
2005-02-16	Common Stock	S	601	$85.91	Disposed	63208	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-02-16	Non-Qualified Stock Option (right to buy)	$61.85	M	12739	Disposed	2013-05-12	Common Stock (12739)	Direct
2005-02-16	Non-Qualified Stock Option (right to buy)	$61.85	M	23122	Disposed	2013-05-12	Common Stock (23122)	Direct
2005-02-16	Non-Qualified Stock Option (right to buy)	$63.225	M	6876	Disposed	2007-05-11	Common Stock (6876)	Direct
2005-02-16	Non-Qualified Stock Option (right to buy)	$63.225	M	8942	Disposed	2008-05-12	Common Stock (8942)	Direct
2005-02-16	Non-Qualified Stock Option (right to buy)	$63.225	M	7330	Disposed	2010-05-07	Common Stock (7330)	Direct
2005-02-16	Non-Qualified Stock Option (right to buy)	$64.5	M	10796	Disposed	2012-05-14	Common Stock (10796)	Direct
2005-02-16	Non-Qualified Stock Option (right to buy)	$64.875	M	3316	Disposed	2005-05-06	Common Stock (3316)	Direct
2005-02-16	Non-Qualified Stock Option (right to buy)	$84	M	601	Disposed	2005-05-06	Common Stock (601)	Direct
2005-02-16	Non-Qualified Stock Option (right to buy)	$86.2	A	5825	Acquired	2007-05-11	Common Stock (5825)	Direct
2005-02-16	Non-Qualified Stock Option (right to buy)	$86.2	A	7576	Acquired	2008-05-12	Common Stock (7576)	Direct
2005-02-16	Non-Qualified Stock Option (right to buy)	$86.2	A	6210	Acquired	2010-05-07	Common Stock (6210)	Direct
2005-02-16	Non-Qualified Stock Option (right to buy)	$86.2	A	9239	Acquired	2012-05-14	Common Stock (9239)	Direct
2005-02-16	Non-Qualified Stock Option (right to buy)	$86.2	A	10318	Acquired	2013-05-13	Common Stock (10318)	Direct
2005-02-16	Non-Qualified Stock Option (right to buy)	$86.2	A	19381	Acquired	2013-05-13	Common Stock (19381)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3857	Indirect
Common Stock	462	Indirect