3M CO — Director's Dealing 2014

Jul 31, 2014

SEC Form 4/A — Form 4/A

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2014-07-29

Reporting Person: Shin Hak Cheol (EXEC VICE PRESIDENT)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-07-29	Common Stock	M	17043	$76.80	Acquired	63884.316	Direct
2014-07-29	Common Stock	S	600	$144.535	Disposed	63284.316	Direct
2014-07-29	Common Stock	S	500	$144.54	Disposed	62784.316	Direct
2014-07-29	Common Stock	S	200	$144.545	Disposed	62584.316	Direct
2014-07-29	Common Stock	S	1800	$144.55	Disposed	60784.316	Direct
2014-07-29	Common Stock	S	100	$144.555	Disposed	60684.316	Direct
2014-07-29	Common Stock	S	100	$144.5575	Disposed	60584.316	Direct
2014-07-29	Common Stock	S	2051	$144.56	Disposed	58533.316	Direct
2014-07-29	Common Stock	S	700	$144.565	Disposed	57833.316	Direct
2014-07-29	Common Stock	S	1908	$144.57	Disposed	55925.316	Direct
2014-07-29	Common Stock	S	1070	$144.575	Disposed	54855.316	Direct
2014-07-29	Common Stock	S	200	$144.5775	Disposed	54655.316	Direct
2014-07-29	Common Stock	S	1378	$144.58	Disposed	53277.316	Direct
2014-07-29	Common Stock	S	100	$144.5807	Disposed	53177.316	Direct
2014-07-29	Common Stock	S	1912	$144.585	Disposed	51265.316	Direct
2014-07-29	Common Stock	S	300	$144.5875	Disposed	50965.316	Direct
2014-07-29	Common Stock	S	1200	$144.59	Disposed	49765.316	Direct
2014-07-29	Common Stock	S	100	$144.597	Disposed	49665.316	Direct
2014-07-29	Common Stock	S	1888	$144.60	Disposed	47777.316	Direct
2014-07-29	Common Stock	S	136	$144.61	Disposed	47641.316	Direct
2014-07-29	Common Stock	S	200	$144.62	Disposed	47441.316	Direct
2014-07-29	Common Stock	S	300	$144.63	Disposed	47141.316	Direct
2014-07-29	Common Stock	S	100	$144.6375	Disposed	47041.316	Direct
2014-07-29	Common Stock	S	100	$144.649	Disposed	46941.316	Direct
2014-07-29	Common Stock	S	100	$144.65	Disposed	46841.316	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-07-29	Non-qualified Stock Option (Right to Buy)	$76.80	M	17043	Disposed	2015-05-09	Common Stock (17043)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1380	Indirect

Footnotes

F1: This Form 4 is being amended to show shares acquired and sold for the same-day-sale.

F2: Includes shares acquired pursuant to the 3M Voluntary Investment Plan.