3M CO — Director's Dealing 2017

Feb 9, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

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

Reporting Person: Vale Michael G. (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-07	Common Stock	A	8358.608	—	Acquired	17167	Direct
2017-02-07	Common Stock	F	231.056	—	Disposed	17167	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	49592	Acquired	2027-02-08	Common Stock (49592)	Direct

Footnotes

F1: Represents shares of 3M common stock that will be delivered pursuant to the terms of a performance share award made to the reporting person on 3/3/2014. The performance-based vesting requirements applicable to such award were satisfied on the date reported in Column 2 above, which represents the date on which the level of performance attained was certified. The reporting person previously elected to defer receipt of the shares and will not have voting or investment powers with respect to these shares until they are issued. The number of shares withheld for FICA taxes was estimated and will be revised by amendment, if necessary

F2: Includes shares acquired under 3M's General Employee Stock Purchase Plan.

F3: This option becomes exercisable in equal installments on each of the first three anniversaries of the grant date (2/7/2017).