3M CO — Director's Dealing 2010

Nov 19, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2010-11-18

Reporting Person: MacDonald Robert D III (VICE PRESIDENT MARKETING)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-18	Common Stock	S	200	$85.375	Disposed	34537	Direct
2010-11-18	Common Stock	S	100	$85.38	Disposed	34437	Direct
2010-11-18	Common Stock	S	500	$85.385	Disposed	33937	Direct
2010-11-18	Common Stock	S	100	$85.3875	Disposed	33837	Direct
2010-11-18	Common Stock	S	500	$85.39	Disposed	33337	Direct
2010-11-18	Common Stock	S	1300	$85.395	Disposed	32037	Direct
2010-11-18	Common Stock	S	3144	$85.40	Disposed	28893	Direct
2010-11-18	Common Stock	S	100	$85.4003	Disposed	28793	Direct
2010-11-18	Common Stock	S	100	$85.4018	Disposed	28693	Direct
2010-11-18	Common Stock	S	5300	$85.405	Disposed	23393	Direct
2010-11-18	Common Stock	S	100	$85.4075	Disposed	23293	Direct
2010-11-18	Common Stock	S	3836	$85.41	Disposed	19457	Direct
2010-11-18	Common Stock	S	100	$85.4136	Disposed	19357	Direct
2010-11-18	Common Stock	S	700	$85.415	Disposed	18657	Direct
2010-11-18	Common Stock	S	1920	$85.42	Disposed	16737	Direct
2010-11-18	Common Stock	S	1000	$85.425	Disposed	15737	Direct
2010-11-18	Common Stock	S	500	$85.43	Disposed	15237	Direct
2010-11-18	Common Stock	S	500	$85.435	Disposed	14737	Direct