3M CO — Director's Dealing 2010

Feb 19, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2010-02-17

Reporting Person: Lacey Roger HD (Senior Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-17	Common Stock	M	193.09	$78.72	Acquired	23248.09	Direct
2010-02-17	Common Stock	F	193.09	$78.72	Disposed	23056	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-17	Restricted Stock Units	$	M	193.09	Disposed		Common Stock (193.09)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

F2: The restricted stock units will vest in equal installments on each of the first three anniversaries of the grant date (2/9/2010).

F3: Shares withheld for FICA tax for retirement eligible executives.