3M CO — Director's Dealing 2017

Feb 10, 2017

SEC Form 4/A — Form 4/A

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2017-02-07

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-07	Common Stock	A	6763.743	—	Acquired	24067	Direct
2017-02-07	Common Stock	F	3295	—	Disposed	20772	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-02-07	Non-qualified Stock Option (Right to Buy)	$175.76	A	30623	Acquired	2027-02-08	Common Stock (30623)	Direct

Footnotes

F1: Due to a computational error caused by a third-party vendor's filing software, the reporting person is refiling a report filed earlier today, solely to correct total holdings reported in Column 5 of Table 1.