3M CO — Director's Dealing 2003

Oct 28, 2003

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2003-10-24

Reporting Person: GRENZ M KAY (VICE PRESIDENT HR)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2003-10-24	Common Stock	F	61	$70.375	Disposed	40284	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3662	Indirect
Common Stock	452	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Incentive Stock Option (right to buy)	$58.625	2011-05-08	Common Stock (1704)	1704	Direct
Non-Qualified Stock Option (right to buy)	$58.625	2011-05-08	Common Stock (31700)	31700	Direct
Non-Qualified Stock Option (right to buy)	$60.725	2004-05-07	Common Stock (1890)	1890	Direct
Non-Qualified Stock Option (right to buy)	$60.725	2005-05-06	Common Stock (740)	740	Direct
Non-Qualified Stock Option (right to buy)	$60.725	2006-05-12	Common Stock (5270)	5270	Direct
Non-Qualified Stock Option (right to buy)	$60.725	2010-05-09	Common Stock (7826)	7826	Direct
Non-Qualified Stock Option (right to buy)	$61.85	2013-05-12	Common Stock (41500)	41500	Direct
Non-Qualified Stock Option (right to buy)	$63.225	2007-05-11	Common Stock (6876)	6876	Direct
Non-Qualified Stock Option (right to buy)	$63.225	2008-05-12	Common Stock (8942)	8942	Direct
Non-Qualified Stock Option (right to buy)	$63.225	2010-05-07	Common Stock (7330)	7330	Direct
Non-Qualified Stock Option (right to buy)	$64.5	2012-05-14	Common Stock (44000)	44000	Direct
Non-Qualified Stock Option (right to buy)	$64.875	2004-05-07	Common Stock (1494)	1494	Direct
Non-Qualified Stock Option (right to buy)	$64.875	2005-05-06	Common Stock (3316)	3316	Direct
Non-Qualified Stock Option (right to buy)	$64.875	2008-05-12	Common Stock (6690)	6690	Direct
Non-Qualified Stock Option (right to buy)	$64.875	2009-05-11	Common Stock (15688)	15688	Direct
Non-Qualified Stock Option (right to buy)	$64.875	2011-05-06	Common Stock (6180)	6180	Direct

Footnotes

F1: On September 29, 2003, the common stock of 3M Company split 2-for-1. The shares of common stock reported on Table I and all options reported on Table II have been adjusted to reflect the split.

F2: Shares held in corporate custody as restricted shares and awarded under the applicable 3M Management Stock Ownership Program pursuant to Rule 16b-3(d) have been distributed to participant (including shares withheld for taxes) pursuant to the provisions of the Program.