3M today announced that it will participate in the following investor conferences:

• The Electrical Products Group 2010 Annual Conference on Tuesday, May 18, 2010, in Long Boat Key, Fla.- Patrick D. Campbell, senior vice president and chief financial officer and Joe E. Harlan, executive vice president, Consumer and Office Business, will speak at 7:30 a.m. ET.
• Sanford C. Bernstein’s 26th Annual Strategic Decisions Conference 2010 on Thursday, June 3, 2010, in New York- George W. Buckley, chairman, president and chief executive officer, will begin speaking at 8 a.m. ET.
• The 2010 J.P. Morgan Diversified Industries Conference on Tuesday, June 8, 2010, in New York- Patrick D. Campbell, senior vice president and chief financial officer, will speak at 9:15 a.m. ET.

Investors can access the webcasts for the events on the Internet at http://investor.3M.com. A replay of the webcasts will be available at http://investor.3M.com.

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.

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