3M today announced dates for the following events:

• 3M will announce its fourth-quarter 2010 earnings on a conference call scheduled for Tuesday, January 25, 2011, at 9 a.m. ET.
• 3M will also participate in the Barclays Capital Third Annual Industrial Select Conference on Wednesday, February 9, 2011 in Miami, Fla. Patrick D. Campbell, senior vice president and chief financial officer, will speak at 11:30 a.m. ET.

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

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 $23 billion in sales, 3M employs 75,000 people worldwide and has operations in more than 65 countries. For more information, visit www.3m.com or follow @3MNews on Twitter.

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