3M CO — Director's Dealing 2010

Feb 11, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2010-02-09

Reporting Person: Lacey Roger HD (Senior Vice President)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-09	Restricted Stock Units	$	A	5082	Acquired		Common Stock (5082)	Direct
2010-02-09	Non-qualified Stock Option (Right to Buy)	$78.72	A	20651	Acquired	2020-02-07	Common Stock (20651)	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: This option becomes exercisable in equal installments on each of the first three anniversaries of the grant date (2/9/2010).