3M CO — Director's Dealing 2015

Sep 3, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2015-09-01

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-09-01	Common Stock	M	3087	$138.50	Acquired	12216	Direct
2015-09-01	Common Stock	F	1038	$138.50	Disposed	11178	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-09-01	Restricted Stock Units	$	M	3087	Disposed		Common Stock (3087)	Direct

Footnotes

F1: The number of shares withheld for taxes are estimated and will be revised by amendment, if necessary.

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

F3: Includes shares acquired pursuant to 3M's Dividend Reinvestment Plan.

F4: Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

F5: The restricted stock units will vest in equal installments on 9-1-2013 and 9-1-2015.