3M Company today announced the following management changes, effective immediately:

• James T. Mahan, senior vice president, Corporate Supply Chain Operations, has announced that he will retire on Dec. 1, 2006, after 37 years of service to the company.
• John K. Woodworth is named senior vice president, Corporate Supply Chain Operations, effective immediately. Woodworth is currently vice president, Asia Pacific.
• Dr. Jay V. Ihlenfeld is named senior vice president, Asia Pacific, effective immediately. Ihlenfeld is currently senior vice president, Research and Development. He will report to Inge Thulin, executive vice president, International Operations, and will be located in Hong Kong.
• Dr. Frederick J. Palensky is named executive vice president, Research and Development and Chief Technology Officer, effective immediately. Palensky is currently executive vice president, Enterprise Services.
• James B. Stake is named executive vice president, Enterprise Services, effective immediately. Stake is currently executive vice president, Display and Graphics Business.
• Michael A. Kelly is named executive vice president, Display and Graphics Business, effective immediately. Kelly is currently division vice president, Occupational Health and Environmental Safety Division.

About 3M - A Global, Diversified Technology Company

Every day, 3M people find new ways to make amazing things happen. Wherever they are, whatever they do, the company’s customers know they can rely on 3M to help make their lives better. 3M's brands include Scotch, Post-it, Scotchgard, Thinsulate, Scotch-Brite, Filtrete, Command and Vikuiti. Serving customers in more than 200 countries around the world, the people of 3M use their expertise, technologies and global strength to lead in major markets including consumer and office; display and graphics; electronics and telecommunications; safety, security and protection services; health care; industrial and transportation. For more information, including the latest product and technology news, visit www.3M.com.

Scotch, Post-it, Scotchgard, Thinsulate, Scotch-Brite, Filtrete, Command and Vikuiti are trademarks of 3M.

3M, St. PaulMedia Contact:Jacqueline Berry, 651-733-3611orInvestor Contacts:Matt Ginter, 651-733-8206orBruce Jermeland, 651-733-1807