Name of Company

Organized Under Law of

Registrant — 3M Company

Delaware

Consolidated subsidiaries of the Registrant:

3M Cogent, Inc.

Delaware

3M Electronic Monitoring, Inc.

Delaware

3M Financial Management Company

Delaware

3M Global Channel Services, Inc.

Delaware

3M Innovative Properties Company

Delaware

3M Investment Management Corporation

Delaware

3M Occupational Safety LLC

Delaware

3M Purification Inc.

Delaware

Aearo Holding LLC

Delaware

Aearo Technologies LLC

Delaware

Capital Safety North America Holdings, Inc.

Delaware

Ceradyne, Inc.

Delaware

3M Unitek Corporation

California

Ivera Medical LLC

California

Meguiar’s, Inc.

California

3M Health Information Systems, Inc.

Maryland

3M Touch Systems, Inc.

Massachusetts

GTA-NHT, Inc.

Massachusetts

DB Industries LLC

Minnesota

Two Harbors Insurance Company

South Carolina

3M Argentina S.A.C.I.F.I.A

Argentina

3M Australia Pty. Ltd.

Australia

3M Purification Pty Limited

Australia

3M Osterreich GmbH

Austria

Rappold Winterthur Technologie GmbH

Austria

3M Belgium BVBA/SPRL

Belgium

3M do Brasil Limitada

Brazil

3M Manaus Ind. Prods. Quims. LTDA

Brazil

3M Canada Company

Canada

Capital Safety Group Canada ULC

Canada

3M Chile S.A.

Chile

3M China Limited

China

3M International Trading (Shanghai) Co., Ltd.

China

3M International Trading (Shenzhen) Co., Ltd.

China

3M Investments (China) Co., Ltd.

China

3M Material Technology (Guangzhou) Co., Ltd.

China

3M Material Technology (Hefei) Co., Ltd.

China

3M Material Technology (Suzhou) Co., Ltd.

China

3M Optical Systems Manufacturing Co., (Shanghai) Ltd.

China

3M Speciality Materials (Shanghai) Co., Ltd.

China

3M Colombia, S.A.

Colombia

3M A/S

Denmark

Suomen 3M Oy

Finland

3M Purification

France

3M France S.A.S.

France

EMFI SAS

France

3M Bricolage & Batiment

France

3M Deutschland GmbH

Germany

3M Real Estate GmbH & Co. KG

Germany

Dyneon GmbH

Germany

Name of Company

Organized Under Law of

Wendt GmbH

Germany

3M Hong Kong Limited

Hong Kong

3M India Limited

India

3M Electronic Monitoring Ltd

Israel

3M ITALIA srl

Italy

3M Japan Limited

Japan

3M Japan Holdings Company

Japan

3M Japan Products Limited

Japan

3M Korea Health and Safety Limited

Korea

3M Korea High Technology Limited

Korea

3M Korea Limited

Korea

3M Asset Management S.a.r.l.

Luxembourg

3M Attenti Holdings S.a.r.l.

Luxembourg

3M Global Capital S.a.r.l.

Luxembourg

Capital Safety Group Sarl

Luxembourg

3M Malaysia Sdn. Bhd.

Malaysia

3M Mexico, S.A. de C.V.

Mexico

3M Nederland B.V.

Netherlands

3M New Zealand Limited

New Zealand

3M Norge A/S

Norway

3M Panama Pacifico S. de R.L.

Panama

3M Peru Industrial S.A.

Peru

3M Poland Sp. z.o.o.

Poland

3M Wroclaw Sp. z.o.o.

Poland

3M Puerto Rico, Inc.

Puerto Rico

3M Romania S.R.L.

Romania

3M Russia, LLC

Russia

3M Innovation Singapore Pte Ltd

Singapore

3M Singapore Private Limited

Singapore

3M Technologies (S) Pte Ltd

Singapore

CUNO Filtration Asia Pte. Ltd.

Singapore

3M South Africa (Propriety) Limited

South Africa

3M Espana S.L.

Spain

3M Svenska AB

Sweden

3M EMEA, GmbH

Switzerland

3M (East) A.G.

Switzerland

3M (Schweiz) GmbH

Switzerland

3M Taiwan Limited

Taiwan

3M Taiwan Optronics Corp.

Taiwan

Alpha Beta Global Tapes & Adhesives Co., Ltd.

Taiwan

3M Thailand Limited

Thailand

3M Sanayi Ve Ticaret A.S.

Turkey

3M Gulf Ltd.

United Arab Emirates

3M Health Care Limited

United Kingdom

3M UK Holdings Limited

United Kingdom

3M United Kingdom PLC.

United Kingdom

Capital Safety Acquisition Limited

United Kingdom

Capital Safety ROW Ltd

United Kingdom

3M Manufacturera Venezuela, S.A.

Venezuela