3M (NYSE: MMM) announced today that it will webcast its annual investor day meeting on Tuesday, Sept. 9, in St. Paul, Minn. George W. Buckley, chairman, president and chief executive officer, will begin the meeting at 7:45 a.m. Central Time.

3M will also participate in the Morgan Stanley Global Industrial CEOs Unplugged Conference on Thursday, Sept. 11, in Dana Point, Calif. Patrick D. Campbell, senior vice president and chief financial officer, will speak at 11 a.m. Pacific Time.

Further presentation details will be posted on 3M’s Investor Relations home page at http://investor.3M.com/ shortly before the event.

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 $24 billion in sales, 3M employs 79,000 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