3M CO — Director's Dealing 2013

Oct 31, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2013-10-30

Reporting Person: McGrath Marlene Mary (Sr VP - Human Resources)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-10-30	Common Stock	M	2020	$84.40	Acquired	6918	Direct
2013-10-30	Common Stock	S	2020	$125.585	Disposed	4898	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-10-30	Non-qualified Stock Option (Right to Buy)	$84.40	M	2020	Disposed	2014-05-09	Common Stock (2020)	Direct