3M CO — Director's Dealing 2013

Jan 3, 2013

SEC Form 4/A — Form 4/A

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2012-10-05

Reporting Person: PALENSKY FRED J (EXEC VP R&D & CHF TECH OFF)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-10-05	Common Stock	M	19518	$76.80	Acquired	50883	Direct
2012-10-05	Common Stock	S	17436	$94.60	Disposed	33447	Direct
2012-10-05	Common Stock	M	13434	$80.50	Acquired	46881	Direct
2012-10-05	Common Stock	S	12301	$94.60	Disposed	34580	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-10-05	Non-qualified Stock Option (Right to Buy)	$76.80	M	19518	Disposed	2015-05-10	Common Stock (19518)	Direct
2012-10-05	Non-qualified Stock Option (Right to Buy)	$80.50	M	13434	Disposed	2013-05-12	Common Stock (13434)	Direct

Footnotes

F1: Due to a clerical error, this amended Form 4 corrects the number of options exercised and shares sold to pay taxes and fees on two cashless-sell-to-cover transactions that occurred on October 5, 2012 and were reported on October 9, 2012.