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 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

Meguiar’s, Inc.

California

3M Health Information Systems, Inc.

Maryland

3M Touch Systems, Inc.

Massachusetts

GTA-NHT, Inc.

Massachusetts

D B Industries, LLC

Minnesota

Two Harbors Insurance Company

South Carolina

3M Argentina Stock Company, Commercial, Industrial, Financial Real Property and Farming Corporation

Argentina

3M Australia Pty. Ltd.

Australia

3M Osterreich Gesellschaft m.b.H.

Austria

3M Precision Grinding GmbH

Austria

3M Belgium BVBA/SPRL

Belgium

3M do Brasil Ltda.

Brazil

3M Manaus Industria de Produtos Quimicos Ltda.

Brazil

3M Canada Company – Compagnie 3M Canada

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

Articulos de Seguridad S.A.S.

Columbia

3M a/s

Denmark

Suomen 3M Oy

Finland

3M Purification

France

3M France S.A.S.

France

Capital Safety Group EMEA

France

EMFI SAS

France

3M Bricolage & Batiment

France

3M Deutschland GmbH

Germany

Name of Company

Organized Under Law of

3M Real Estate GmbH & Co. KG

Germany

3M Technical Ceramics, Zweigniederlassung der 3M Deutschland GmbH

Germany

Dyneon GmbH

Germany

Wendt GmbH

Germany

3M Hong Kong Limited

Hong Kong

3M India Limited

India

3M Electronic Monitoring Ltd

Israel

3M ITALIA s.r.l.

Italy

3M Japan Limited

Japan

3M Japan Holdings G.K.

Japan

3M Japan Products Limited

Japan

3M Korea Health and Safety Limited

Korea

3M Korea High Technology Limited

Korea

3M Korea Ltd

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 S.a.r.l.

Luxembourg

3M Malaysia Sdn. Bhd.

Malaysia

3M Mexico, Sociedad Anonima de Capital Variable

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, Sociedad Anomia

Peru

3M Poland Spolka z ograniczona odpowiedzialnoscia

Poland

3M Wroclaw spolka z ograniczona odpowiedzialnoscia

Poland

3M Puerto Rico, Inc.

Puerto Rico

3M Romania S.R.L.

Romania

3M Russia Closed Joint Stock Company

Russia

3M Innovation Singapore Pte. Ltd.

Singapore

3M Singapore Pte. Ltd.

Singapore

3M TECHNOLOGIES (S) PTE. LTD.

Singapore

Cuno Filtration Asia Pte. Ltd.

Singapore

3M South Africa (Proprietary) Limited

South Africa

3M Espana, S.L.

Spain

3M Svenska Aktiebolag

Sweden

3M EMEA, GmbH

Switzerland

3M (East) A.G.

Switzerland

3M (Schweiz) GmbH

Switzerland

3M Taiwan Ltd.

Taiwan

3M Taiwan Optronics Corporation

Taiwan

Alpha Beta Global Tapes & Adhesives Co., Ltd.

Taiwan

3M Thailand Limited

Thailand

3M Sanayi Ve Ticaret A.S.

Turkey

3M Gulf Limited

United Arab Emirates

3M Health Care Limited

United Kingdom

3M UK Holdings Limited

United Kingdom

3M United Kingdom Public Limited Company

United Kingdom

Capital Safety Acquisitions Limited

United Kingdom

Capital Safety ROW Limited

United Kingdom

3M Manufacturera Venezuela, S.A.

Venezuela