3M CO — Director's Dealing 2004

Nov 12, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2004-11-10

Reporting Person: CAMPBELL PATRICK D (VICE PRESIDENT FINANCE & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-11-10	Common Stock	M	9199	$55.975	Acquired	18439	Direct
2004-11-10	Common Stock	F	6362	$80.925	Disposed	12077	Direct
2004-11-10	Common Stock	F	927	$80.925	Disposed	11150	Direct
2004-08-14	Common Stock	J	1007	—	Acquired	1026	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-08-14	Incentive Stock Option (right to buy)	$28.6348	J	832	Acquired	2005-05-09	Common Stock (832)	Indirect
2004-08-14	Incentive Stock Option (right to buy)	$43.35	J	880	Acquired	2010-05-09	Common Stock (880)	Indirect
2004-08-14	Incentive Stock Option (right to buy)	$45.85	J	880	Acquired	2007-05-13	Common Stock (880)	Indirect
2004-08-14	Incentive Stock Option (right to buy)	$46.675	J	880	Acquired	2008-05-12	Common Stock (880)	Indirect
2004-08-14	Incentive Stock Option (right to buy)	$47.5	J	880	Acquired	2009-05-10	Common Stock (880)	Indirect
2004-08-14	Incentive Stock Option (right to buy)	$58.625	J	880	Acquired	2011-05-08	Common Stock (880)	Indirect
2004-11-10	Non-Qualified Stock Option (right to buy)	$55.975	M	9199	Disposed	2012-02-01	Common Stock (9199)	Direct
2004-11-10	Non-Qualified Stock Option (right to buy)	$80.95	A	7289	Acquired	2011-05-06	Common Stock (7289)	Direct
2004-08-14	Non-Qualified Stock Option (right to buy)	$61.85	J	926	Acquired	2013-05-12	Common Stock (926)	Indirect
2004-08-14	Non-Qualified Stock Option (right to buy)	$64.5	J	740	Acquired	2012-05-14	Common Stock (740)	Indirect
2004-08-14	Non-Qualified Stock Option (right to buy)	$84.4	J	966	Acquired	2004-05-19	Common Stock (966)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	394	Indirect
Common Stock	1476	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Non-Qualified Stock Option (right to buy)	$61.85	2013-05-12	Common Stock (44000)	44000	Direct
Non-Qualified Stock Option (right to buy)	$64.5	2012-05-14	Common Stock (40000)	40000	Direct

Footnotes

F1: The reporting person acquired beneficial ownership of these shares upon his marriage to the owner of the shares on 8/14/04.