3M CO — Director's Dealing 2017

Feb 22, 2017

SEC Form 4/A — Form 4/A

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

Reporting Person: Fong Ivan K (Sr. VP, Legal & Gen. Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-07	Common Stock	A	7455.884	—	Acquired	24576.8427	Direct
2017-02-07	Common Stock	F	279	—	Disposed	24297.8427	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: On February 9, 2017, the reporting person reported the number of shares of 3M Common Stock that will be delivered on a deferred basis as a result of the vesting of a performance share award made to the reporting person on March 3, 2014. The number of shares previously reported as being withheld for the payment of FICA taxes was estimated. This amendment is being filed to update the Form 4 with the actual number of shares withheld.