FILED UNDER RULE 424(b)(3)
REGISTRATION NO. 333-98163

PROSPECTUS SUPPLEMENT
(To Prospectus dated February 5, 2003)


                                   3M COMPANY

                                 278,979 SHARES

                                  COMMON STOCK

     The prospectus of 3M Company (the "Company"), dated February 5, 2003
relating to the sale of the Company's common stock from time to time by the
selling stockholders is hereby supplemented as set forth below. You should read
this prospectus supplement in conjunction with the prospectus dated February 5,
2003 which is to be delivered with this prospectus supplement.

     The table of selling stockholders set forth on page 8 of the prospectus is
hereby supplemented and amended by the information in the table below.

                                SHARES BENEFICIALLY     SHARES WHICH MAY BE SOLD
                                 OWNED PRIOR TO THE          PURSUANT TO THIS
     SELLING STOCKHOLDERS           OFFERING (1)              PROSPECTUS (2)
-----------------------------------------------------   ------------------------
Richard L. Fowler & Joyce E.           106,432                    106,432
Fowler Jt. Ten.

Richard L. Fowler & Joyce E.            19,050                    19,050
Fowler Charitable Remainder
Unit Trust

---------------------
     (1)  Represents beneficial ownership of less than one percent of 3M's
          outstanding capitalization.
     (2)  The registration statement of which this prospectus forms a part also
          shall cover any additional shares of our common stock which become
          issuable in connection with the Shares by reason of any stock
          dividend, stock split, recapitalization or other similar transaction
          effected without the receipt of consideration which result in an
          increase in the number of 3M's outstanding shares of common stock.



            THE DATE OF THIS PROSPECTUS SUPPLEMENT IS MARCH 27, 2003
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