3M CO — Director's Dealing 2006

Feb 7, 2006

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2005-12-31

Reporting Person: NOZARI M S (EXEC VP CONSUMER & OFFICE)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-05-09	Non-Qualified Stock Option (right to buy)	$86.65	J	1961	Disposed	2005-05-06	Common Stock (1961)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	96156	Direct
Common Stock	4241	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Incentive Stock Option (right to buy)	$43.35	2010-05-09	Common Stock (2306)	2306	Direct
Incentive Stock Option (right to buy)	$47.5	2009-05-10	Common Stock (2104)	2104	Direct
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 (36578)	36578	Direct
Non-Qualified Stock Option (right to buy)	$62.675	2006-05-12	Common Stock (12698)	12698	Direct
Non-Qualified Stock Option (right to buy)	$62.675	2007-05-11	Common Stock (15620)	15620	Direct
Non-Qualified Stock Option (right to buy)	$62.675	2008-05-12	Common Stock (2716)	2716	Direct
Non-Qualified Stock Option (right to buy)	$64.5	2012-05-14	Common Stock (78000)	78000	Direct
Non-Qualified Stock Option (right to buy)	$76.8	2015-05-10	Common Stock (50518)	50518	Direct
Non-Qualified Stock Option (right to buy)	$84.4	2014-05-09	Common Stock (63000)	63000	Direct
Non-Qualified Stock Option (right to buy)	$86	2011-05-06	Common Stock (50916)	50916	Direct
Non-Qualified Stock Option (right to buy)	$86	2013-05-13	Common Stock (29218)	29218	Direct
Non-Qualified Stock Option (right to buy)	$86.65	2008-05-12	Common Stock (10837)	10837	Direct
Non-Qualified Stock Option (right to buy)	$86.65	2009-05-10	Common Stock (19414)	19414	Direct
Non-Qualified Stock Option (right to buy)	$86.65	2010-05-07	Common Stock (18381)	18381	Direct

Footnotes

F1: This transaction is an expiration of an employee stock option. No value was received by the reporting person for the expiration and it is being reported voluntarily for informational purposes. The expiration is exempt from the short-swing profits recovery provisions pursuant to Rule 16b-6(d) and is exempt from the reporting requirements pursuant to Rule 16a-4(d).