3M CO — Director's Dealing 2004

Apr 26, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2004-04-22

Reporting Person: PALENSKY FRED J (EXEC VP SFTY SEC & PROT SVCS)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-04-22	Common Stock	M	7470	$47.5	Acquired	28209	Direct
2004-04-22	Common Stock	F	4150	$85.48	Disposed	24059	Direct
2004-04-22	Common Stock	F	1085	$85.48	Disposed	22974	Direct
2004-04-22	Common Stock	M	12309	$58.625	Acquired	35283	Direct
2004-04-22	Common Stock	F	8441	$85.48	Disposed	26842	Direct
2004-04-22	Common Stock	F	1264	$85.48	Disposed	25578	Direct
2004-04-22	Common Stock	M	3490	$62.85	Acquired	29068	Direct
2004-04-22	Common Stock	F	2566	$85.48	Disposed	26502	Direct
2004-04-22	Common Stock	F	302	$85.48	Disposed	26200	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-04-22	Non-Qualified Stock Option (right to buy)	$47.5	M	7470	Disposed	2009-05-10	Common Stock (7470)	Direct
2004-04-22	Non-Qualified Stock Option (right to buy)	$58.625	M	12309	Disposed	2011-05-08	Common Stock (12309)	Direct
2004-04-22	Non-Qualified Stock Option (right to buy)	$62.85	M	3490	Disposed	2004-05-07	Common Stock (3490)	Direct
2004-04-22	Non-Qualified Stock Option (right to buy)	$85.5	A	5235	Acquired	2009-05-11	Common Stock (5235)	Direct
2004-04-22	Non-Qualified Stock Option (right to buy)	$85.5	A	9705	Acquired	2011-05-06	Common Stock (9705)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3039	Indirect