3M CO — Director's Dealing 2014

Nov 5, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2014-11-03

Reporting Person: Hammes Eric D. (VP, Corp Controller & CAO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-11-03	Common Stock	M	335	$76.80	Acquired	644	Direct
2014-11-03	Common Stock	S	225	$153.85	Disposed	419	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-11-03	Non-qualified Stock Option (Right to Buy)	$76.80	M	335	Disposed	2015-05-08	Common Stock (335)	Direct

Footnotes

F1: This form is being filed to report the exercise of a 3M stock option by means of a cashless-sell-to-cover method (selling enough shares to cover option share purchase price, fee and taxes, then retaining the remaining shares).