3M CO — Director's Dealing 2004

Apr 6, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2004-04-02

Reporting Person: IHLENFELD JAY V (VICE PRESIDENT R&D)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-04-02	Common Stock	M	8404	$46.675	Acquired	26874	Direct
2004-04-02	Common Stock	F	4802	$81.675	Disposed	22072	Direct
2004-04-02	Common Stock	F	1177	$81.675	Disposed	20895	Direct
2004-04-02	Common Stock	M	8456	$47.5	Acquired	29351	Direct
2004-04-02	Common Stock	F	4917	$81.675	Disposed	24434	Direct
2004-04-02	Common Stock	F	1156	$81.675	Disposed	23278	Direct
2004-04-02	Common Stock	M	498	$58.625	Acquired	23776	Direct
2004-04-02	Common Stock	F	357	$81.675	Disposed	23419	Direct
2004-04-02	Common Stock	F	45	$81.675	Disposed	23374	Direct
2004-04-02	Common Stock	M	474	$64.4	Acquired	23848	Direct
2004-04-02	Common Stock	F	373	$81.675	Disposed	23475	Direct
2004-04-02	Common Stock	F	32	$81.675	Disposed	23443	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-04-02	Non-Qualified Stock Option (right to buy)	$46.675	M	8404	Disposed	2008-05-12	Common Stock (8404)	Direct
2004-04-02	Non-Qualified Stock Option (right to buy)	$47.5	M	8456	Disposed	2009-05-10	Common Stock (8456)	Direct
2004-04-02	Non-Qualified Stock Option (right to buy)	$58.625	M	498	Disposed	2011-05-08	Common Stock (498)	Direct
2004-04-02	Non-Qualified Stock Option (right to buy)	$64.4	M	474	Disposed	2004-05-07	Common Stock (474)	Direct
2004-04-02	Non-Qualified Stock Option (right to buy)	$81.7	A	5979	Acquired	2008-05-12	Common Stock (5979)	Direct
2004-04-02	Non-Qualified Stock Option (right to buy)	$81.7	A	6073	Acquired	2009-05-11	Common Stock (6073)	Direct
2004-04-02	Non-Qualified Stock Option (right to buy)	$81.7	A	402	Acquired	2011-05-06	Common Stock (402)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2343	Indirect