3M CO — Director's Dealing 2018

Feb 8, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2018-02-06

Reporting Person: Gangestad Nicholas C (Sr. VP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-06	Common Stock	A	9178.159	—	Acquired	29558.8963	Direct
2018-02-06	Common Stock	F	3204	—	Disposed	26354.8963	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-02-06	Non-qualified Stock Option (Right to Buy)	$233.63	A	56191	Acquired	2028-02-04	Common Stock (56191)	Direct

Footnotes

F1: Represents shares of 3M common stock that, except as otherwise noted below, will be delivered imminently pursuant to the terms of a performance share award made to the reporting person on March 2, 2015. 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 25% of the shares issuable pursuant to the award and will not have voting or investment powers with respect to such shares until they are issued. The number of shares withheld for 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 (2/6/2018).