EXHIBIT 21
MINNESOTA MINING AND MANUFACTURING COMPANY
AND CONSOLIDATED SUBSIDIARIES
PARENT AND SUBSIDIARIES
Percentage of
Voting Securities
Organized Under Beneficially Owned
Name of Company Laws of by Registrant
Registrant:
Minnesota Mining and Manufacturing Company Delaware
Consolidated subsidiaries of the registrant:
Dyneon LLC Delaware 100
3M Financial Management Company Delaware 100
3M Innovative Properties Company Delaware 100
3M Investment Management Corporation Delaware 100
3M Unitek Corporation California 100
3M Touch Systems, Inc. Massachusetts 100
3M Argentina S.A.C.I.F.I.A. Argentina 100
3M Australia Pty. Limited Australia 100
3M Oesterreich GmbH Austria 100
3M Belgium S.A./N.V. Belgium 100
Seaside Insurance Limited Bermuda 100
3M do Brasil Limitada Brazil 100
3M Canada Company Canada 100
3M China Limited China 100
3M A/S Denmark 100
Suomen 3M Oy Finland 100
3M France, S.A. France 100
Dyneon GmbH Germany 100
Inter-Unitek GmbH Germany 57
Quante AG Germany 100
Quante Holding GmbH Germany 100
3M Deutschland GmbH Germany 100
3M German Holdings GmbH Germany 100
3M Hong Kong Limited Hong Kong 100
3M Italia Finanziaria S.p.A. Italy 100
Sumitomo 3M Limited Japan 50
3M Health Care Limited Japan 75
3M Korea Limited Korea 100
3M Mexico, S.A. de C.V. Mexico 100
Corporate Services B.V. Netherlands 100
3M Nederland B.V. Netherlands 100
3M (New Zealand) Limited New Zealand 100
3M Norge A/S Norway 100
3M Puerto Rico, Inc. Puerto Rico 100
3M Singapore Private Limited Singapore 100
3M South Africa (Proprietary) Limited South Africa 100
3M Espana, S.A. Spain 100
3M Svenska AB Sweden 100
3M (East) A.G. Switzerland 100
3M (Schweiz) A.G. Switzerland 100
3M Taiwan Limited Taiwan 100
3M Thailand Limited Thailand 100
3M Gulf Ltd. United Arab Emirates 100
3M United Kingdom Holdings P.L.C. United Kingdom 100
3M Venezuela, S.A. Venezuela 100
NOTE: Subsidiary companies excluded from the above listing, if considered in
the aggregate, would not constitute a significant subsidiary.