3M CO — Director's Dealing 2007

May 4, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2007-05-03

Reporting Person: YEOMANS JAN L (VICE PRESIDENT AND TREASURER)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-03	Common Stock	S	5000	$83.88	Disposed	62525	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2778	Indirect