3M CO — Director's Dealing 2007

Feb 7, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2007-02-05

Reporting Person: Shin Hak Cheol (EXEC VP INDUSTRIAL)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-02-05	Common Stock	M	1760	$45.85	Acquired	9459	Direct
2007-02-05	Common Stock	F	1090	$73.985	Disposed	8369	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-02-05	Incentive Stock Option (right to buy)	$45.85	M	1760	Disposed	2007-05-13	Common Stock (1760)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	825	Indirect