3M CO — Director's Dealing 2006

May 9, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2006-05-08

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-05-08	Common Stock	S	5000	$87.44	Disposed	67446	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2622	Indirect