3M CO — Director's Dealing 2009

Mar 16, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2009-03-12

Reporting Person: BUCKLEY GEORGE W (Director, CHAIRMAN OF THE BOARD & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-03-12	Common Stock	F	58	$48.00	Disposed	261829	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	582	Indirect

Footnotes

F1: Distribution of shares as a result of vesting of a portion of the restricted stock units (58 shares withheld for taxes).

F2: Includes shares acquired under 3M's General Employee Stock Purchase Plan; includes shares acquired under 3M's Dividend Reinvestment Plan; includes dividend units accrued quarterly on restricted stock units.

F3: Includes shares acquired during the fiscal year pursuant to the 3M Voluntary Investment Plan.