The Board of Directors of 3M (NYSE:MMM) declared a dividend on the company’s common stock of 51 cents per share for the fourth quarter of 2009, payable Dec. 12, 2009, to shareholders of record at the close of business on Nov. 20, 2009. This cash dividend is the 373rd consecutive quarterly dividend paid by 3M.

As of Sept. 30, 2009, 3M had 707,958,268 common shares outstanding and 113,146 shareholders of record.

About 3M

A recognized leader in research and development, 3M produces thousands of innovative products for dozens of diverse markets. 3M’s core strength is applying its more than 40 distinct technology platforms – often in combination – to a wide array of customer needs. With $25 billion in sales, 3M employs 75,000 people worldwide and has operations in more than 60 countries. For more information, visit www.3M.com.

3MMedia Contact:Jacqueline Berry, 651-733-3611orInvestor Contacts:Matt Ginter, 651-733-8206orBruce Jermeland, 651-733-1807