3M CO — Director's Dealing 2012

Dec 3, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2012-11-30

Reporting Person: Shin Hak Cheol (EXEC VP INTERNATIONAL)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-30	Common Stock	M	32077	$90.95	Acquired	56645	Direct
2012-11-30	Common Stock	F	13697	$90.95	Disposed	42948	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-30	Restricted Stock Units	$	M	32077	Disposed		Common Stock (32077)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1336	Indirect

Footnotes

F1: Includes shares acquired during the fiscal year pursuant to the 3M Voluntary Investment Plan.

F2: Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

F3: The restricted stock units will vest 100% four years from the grant date (12/1/2008).