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

Lehman Brothers 20th Annual Industrial Select Conference
Feb. 5, 2003, Miami, Fla.
8 a.m. Eastern time
Patrick D. Campbell, senior vice president and chief financial officer

Morgan Stanley Global Chemical Conference
Feb. 12, 2003, New York, N.Y.
Noon Eastern time
W. James McNerney, chairman of the board and chief executive officer

Salomon Smith Barney 16th Annual Global Industrial Manufacturing Conference
March 11, 2003, New York, N.Y.
10:30 a.m. Eastern time
Patrick D. Campbell, senior vice president and chief financial officer

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

About 3M

3M is a $16 billion diversified technology company with leading positions in consumer and office; display and graphics; electronics and telecommunications; health care; industrial; safety, security and protection services; transportation and other businesses. Headquartered in St. Paul, Minnesota, the company has operations in more than 60 countries and serves customers in nearly 200 countries. 3M is one of the 30 stocks that make up the Dow Jones Industrial Average and also is a component of the Standard & Poor's 500 Index. For more information about 3M, go to www.3M.com/profile/pressbox/index.jhtml.

3M, St. PaulInvestor Contacts:Matt Ginter, 651/733-8206orDan Colvin, 651/736-2637orMedia Contact:John Cornwell, 651/733-7698