3M CO — Director's Dealing 2012

Feb 13, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2012-02-10

Reporting Person: BUCKLEY GEORGE W (Director, CHAIRMAN OF THE BOARD & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-10	Common Stock	S	428	$86.8575	Disposed	405309	Direct
2012-02-10	Common Stock	S	572	$86.859	Disposed	404737	Direct
2012-02-10	Common Stock	S	3888	$86.86	Disposed	400849	Direct
2012-02-10	Common Stock	S	100	$86.8618	Disposed	400749	Direct
2012-02-10	Common Stock	S	13700	$86.865	Disposed	387049	Direct
2012-02-10	Common Stock	S	400	$86.869	Disposed	386649	Direct
2012-02-10	Common Stock	S	3000	$86.87	Disposed	383649	Direct
2012-02-10	Common Stock	S	9400	$86.875	Disposed	374249	Direct
2012-02-10	Common Stock	S	700	$86.8775	Disposed	373549	Direct
2012-02-10	Common Stock	S	130	$86.879	Disposed	373419	Direct
2012-02-10	Common Stock	S	4116	$86.88	Disposed	369303	Direct
2012-02-10	Common Stock	S	11861	$86.885	Disposed	357442	Direct
2012-02-10	Common Stock	S	700	$86.8875	Disposed	356742	Direct
2012-02-10	Common Stock	S	200	$86.889	Disposed	356542	Direct
2012-02-10	Common Stock	S	800	$86.89	Disposed	355742	Direct
2012-02-10	Common Stock	S	3700	$86.895	Disposed	352042	Direct
2012-02-10	Common Stock	S	100	$86.8975	Disposed	351942	Direct
2012-02-10	Common Stock	S	13143	$86.90	Disposed	338799	Direct
2012-02-10	Common Stock	S	6918	$86.905	Disposed	331881	Direct
2012-02-10	Common Stock	S	100	$86.9075	Disposed	331781	Direct
2012-02-10	Common Stock	S	100	$86.909	Disposed	331681	Direct
2012-02-10	Common Stock	S	3838	$86.91	Disposed	327843	Direct
2012-02-10	Common Stock	S	10800	$86.915	Disposed	317043	Direct
2012-02-10	Common Stock	S	200	$86.9175	Disposed	316843	Direct
2012-02-10	Common Stock	S	8972	$86.92	Disposed	307871	Direct
2012-02-10	Common Stock	S	11814	$86.925	Disposed	296057	Direct
2012-02-10	Common Stock	S	800	$86.9275	Disposed	295257	Direct
2012-02-10	Common Stock	S	200	$86.929	Disposed	295057	Direct
2012-02-10	Common Stock	S	3660	$86.93	Disposed	291397	Direct
2012-02-10	Common Stock	S	6210	$86.935	Disposed	285187	Direct