3M CO — Director's Dealing 2010

Aug 10, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2010-08-09

Reporting Person: ULRICH ROBERT J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-08-09	Common Stock	A	332	$78.99	Acquired	2399	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	5779	Indirect

Footnotes

F1: Includes acquisition of deferred dividend reinvestment shares pursuant to 3M's Compensation Plan for Non- Employee Directors.