Exhibit

Subsidiaries of The Dow Chemical Company

EXHIBIT 21

At December 31, 2018

Location*

This list includes companies for which the effective ownership by The Dow Chemical Company is 50 percent or more.

The Dow Chemical Company

Delaware

AM Robin LLC

Delaware

American Mortell Corporation

Texas

Mortell Company

Delaware

Arabian Chemical Company (Latex) Ltd. (1)

Saudi Arabia

Arabian Chemical Company (Polystyrene) Limited (1)

Saudi Arabia

Battleground Water Company

Texas

Centen Ag LLC

Delaware

Dow AgroSciences LLC

Delaware

Mycogen LLC

California

Dow AgroSciences LLC

Delaware

DAS Agricultural Investment Holding Company Ltd.

Mauritius

Dow AgroSciences (China) Company Limited

China

Dow AgroSciences Agricultural Products Limited

Mauritius

Dow AgroSciences Singapore Pte. Ltd.

Singapore

Dow AgroSciences India Pvt. Ltd.

India

DDP Speciality Products India Private Limited

India

PT Dow AgroSciences Commerce Indonesia

Indonesia

PT Dow AgroSciences Indonesia

Indonesia

Dow AgroSciences B.V.

Netherlands

Ambito DAS S.A. (1)

Argentina

Cal/West Seeds S.R.L.

Argentina

ChacoDAS S.A. (1)

Argentina

Corteva Finance Company B.V.

Netherlands

DDP Agro US Holding LLC

Delaware

DDP Agro Switzerland Holding GmbH

Switzerland

DDP AgroSciences Switzerland GmbH

Switzerland

DDP AgroSciences S.R.L.

Peru

Dow AgroSciences Argentina S.R.L.

Argentina

Dow AgroSciences Switzerland S.A.

Switzerland

Dow AgroSciences Argentina S.R.L.

Argentina

DasAgro Uruguay S.A.

Uruguay

Dow AgroSciences Bolivia S.A.

Bolivia

Dow Agrosciences Chile S.A.

Chile

Dow AgroSciences Paraguay S.A.

Paraguay

DasAgro Uruguay S.A.

Uruguay

Daser Agro S.A. (1)

Argentina

DDP Agro Morocco SARL

Morocco

DDP AgroSciences Kenya Limited

Kenya

DDP AgroSciences Nigeria Limted

Nigeria

DDP AgroSciences S.R.L.

Peru

Desab S.A. (1)

Argentina

Dow AgroSciences (Jiangsu) Co., Ltd.

China

Dow AgroSciences A.S.

Turkey

Dow AgroSciences Asia Sdn. Bhd.

Malaysia

Dow AgroSciences Australia Limited

Australia

Dow AgroSciences Bolivia S.A.

Bolivia

Dow AgroSciences Canada Inc.

Canada

Dow AgroSciences Chile S.A.

Chile

Subsidiaries of The Dow Chemical Company

EXHIBIT 21

At December 31, 2018

Location*

This list includes companies for which the effective ownership by The Dow Chemical Company is 50 percent or more.

Dow AgroSciences Costa Rica S.A.

Costa Rica

Dow AgroSciences Danmark A/S

Denmark

Dow AgroSciences de Colombia S.A.

Colombia

Dow AgroSciences de Mexico S.A. de C.V.

Mexico

Dow AgroSciences Export S.A.S.

France

Dow AgroSciences GmbH

Germany

Dow AgroSciences Guatemala S.A.

Guatemala

Dow AgroSciences Iberica S.A.

Spain

Dow AgroSciences Italia s.r.l.

Italy

Dow AgroSciences Japan Limited

Japan

Dow AgroSciences Limited

United Kingdom

MSTG Company Limited

United Kingdom

Dow AgroSciences Lithuania UAB

Lithuania

Dow AgroSciences (Malaysia) Sdn Bhd

Malaysia

Dow AgroSciences (NZ) Limited

New Zealand

NZ Tulip Limited

New Zealand

Dow AgroSciences OOO

Russia

Dow AgroSciences Pacific Limited

Hong Kong

PT Dow AgroSciences Indonesia

Indonesia

PT Dow AgroSciences Commerce Indonesia

Indonesia

Dow AgroSciences Paraguay S.A.

Paraguay

Dow AgroSciences Bolivia S.A.

Bolivia

Dow AgroSciences Polska Sp. z o.o.

Poland

Dow AgroSciences S.A.S.

France

Dow AgroSciences Distribution S.A.S.

France

Dow AgroSciences s.r.o.

Czech Republic

Dow AgroSciences Sverige A/B

Sweden

Dow AgroSciences Taiwan Ltd.

Taiwan

Dow AgroSciences Technology GmbH

Switzerland

DDP Agro Morocco SARL

Morocco

DDP AgroSciences Nigeria Limted

Nigeria

Dow AgroSciences de Colombia S.A.

Colombia

Dow AgroSciences Switzerland S.A.

Switzerland

DDP Agro Netherlands Holding B.V.

Netherlands

Coodetec Desenvolvimento, Producao e Comercializacao Agricola Ltda.

Brazil

Dow AgroSciences de Colombia S.A.

Colombia

Dow AgroSciences Industrial Ltda.

Brazil

Dow AgroSciences de Colombia S.A.

Colombia

Dow AgroSciences Hungary Kft.

Hungary

Dow AgroSciences de Colombia S.A.

Colombia

Dow AgroSciences Ukraine LLC

Ukraine

Dow AgroSciences Ukraine LLC

Ukraine

Dow AgroSciences Vertriebsgesellschaft m.b.H.

Austria

Dow Venezuela, C.A.

Venezuela

DP AgroSciences Finland Oy

Finland

Fedea S.A. (1)

Argentina

Rindes y Cultivos DAS S.A. (1)

Argentina

SUMIDAS JV S.A. (1)

Argentina

Terramar JV S.A. (1)

Argentina

Subsidiaries of The Dow Chemical Company

EXHIBIT 21

At December 31, 2018

Location*

This list includes companies for which the effective ownership by The Dow Chemical Company is 50 percent or more.

Ubajay DAS S.A. (1)

Argentina

Dow AgroSciences China Ltd.

Delaware

Dow AgroSciences India Pvt. Ltd.

India

Dow AgroSciences International Ltd.

Delaware

Dow AgroSciences (Thailand) Limited

Thailand

Dow AgroSciences Southern Africa (Proprietary) Limited

South Africa

Sanachem Zimbabwe (Pvt) Ltd.

Zimbabwe

Mycogen Plant Science, Inc.

Delaware

Agrigenetics, Inc.

Delaware

Agrigenetics Molokai LLC

Hawaii

Alforex Seeds LLC

Delaware

Brodbeck Seeds LLC

Delaware

Cal/West Seeds S.R.L.

Argentina

Dairyland Seed Co., Inc.

Wisconsin

Mycogen Seeds-Puerto Rico Corporation

Delaware

Pfister Seeds LLC

Delaware

Prairie Brand Seeds LLC

Delaware

Phytogen Seed Company, LLC

Delaware

Chemars III LLC

Delaware

Chemtech II L.P.

Delaware

Clean Filtration Technologies LLC

Delaware

DCOMCO, Inc.

Delaware

DDP AgroSciences US DCOMCO, Inc.

Delaware

Dow AgroSciences LLC

Delaware

DDP AgroSciences US, Inc.

Delaware

DDP Specialty Electronic Materials US 7, LLC

Delaware

CHPM Colombia Ltda

Colombia

CHPM S.R.L.

Argentina

Orion Electromateriales Servicios de Mexico, S. de R.L. de C.V.

Mexico

Orion Electromaterials, S. de R.L. de C.V.

Mexico

Specialty Electronic Materials Comercio de Produtos Quimicos do Brasil Ltda.

Brazil

Specialty Products Chile Comercial Limitada

Chile

DDP Specialty Electronic Materials US, Inc.

Delaware

Dow Kakoh Kabushiki Kaisha

Japan

CHPM S.R.L.

Argentina

Specialty Products Chile Comercial Limitada

Chile

Denmerco Inc.

Delaware

Dow Chemical (China) Investment Company Limited

China

Dow Chemical (Guangzhou) Company Limited

China

Dow Chemical (Shanghai) Company Limited

China

Dow Chemical (Sichuan) Co., Ltd.

China

Dow Chemical (Zhangjiagang) Company Limited

China

Guangdong Zhongshan Amerchol Specialty Chemicals Co., Ltd.

China

Zhejiang Pacific Chemical Corporation

China

Dow Chemical (Singapore) Private Limited

Singapore

Dow Chemical (Myanmar) Ltd.

Myanmar

Dow Chemical Bangladesh Private Limited

Bangladesh

PT Dow Indonesia

Indonesia

Dow Chemical China Holdings Pte. Ltd.

Singapore

Subsidiaries of The Dow Chemical Company

EXHIBIT 21

At December 31, 2018

Location*

This list includes companies for which the effective ownership by The Dow Chemical Company is 50 percent or more.

Dow Chemical Costa Rica S.A.

Costa Rica

Dow Chemical Delaware Corp.

Delaware

Chemtech II L.P.

Delaware

Chemtech Portfolio Inc.

Texas

Chemtech Portfolio II Inc.

Michigan

Dow Chemical International Ltd.

Delaware

Dow Chemical Costa Rica S.A.

Costa Rica

Dow Chemical Thailand Ltd.

Thailand

Dow International Holdings Company

Delaware

Petroquimica-Dow S.A. (Petrodow)

Chile

Dow Chemical Kuwait B.V.

Netherlands

Dow Chemical Singapore Holdings Pte. Ltd.

Singapore

Dow Chemical Taiwan Limited

Taiwan

Dow Chemical Telecommunications Corp.

Delaware

Dow Chemical Tianjin Holdings Pte. Ltd.

Singapore

Dow Deutschland Inc.

Delaware

Dow Chemical Inter-American Limited

Delaware

Dow Quimica de Colombia S.A.

Colombia

Dow Engineering Company

Delaware

Dow Engineering, Inc.

Michigan

Dow Financial Services Inc.

Delaware

Dow Global Financial Management, Inc.

Delaware

Dow Global Technologies LLC

Delaware

Chemtech Portfolio Inc.

Texas

Dow Technology Investments LLC

Delaware

Dow Hydrocarbons and Resources LLC

Delaware

Cayuse Pipeline, Inc.

Texas

Dow Intrastate Gas Company

Louisiana

Dow Pipeline Company

Texas

K/D/S Promix, LLC (1)

Texas

Midland Pipeline Corp.

Delaware

Fort Saskatchewan Ethylene Storage Corporation (1)

Canada

Fort Saskatchewan Ethylene Storage Limited Partnership

Canada

Dow Internacional Mexicana S.A. de C.V.

Mexico

Dow International Financial Services

Ireland

Dow Capital Public Limited Company

Ireland

Dow International Holdings Company

Delaware

Dow Luxembourg Spectrum Holding S.a.r.l.

Luxembourg

Dow Luxembourg Galaxy Holding S.a.r.l.

Luxembourg

Dow Switzerland Holding GmbH

Switzerland

Dow Corning France S.A.S.

France

Dow Corning Silicones Malaysia SDN. BHD.

Malaysia

Dow Corning Singapore Pte. Ltd.

Singapore

Dow (Shanghai) Holding Co., Ltd.

China

Dow Corning (Thailand) Limited

Thailand

Dow Silicones (Shanghai) Co., Ltd.

China

Dow International Holdings S.A.

Switzerland

Dow Europe Holding B.V.

Netherlands

BASF DOW HPPO B.V. (1)

Netherlands

Subsidiaries of The Dow Chemical Company

EXHIBIT 21

At December 31, 2018

Location*

This list includes companies for which the effective ownership by The Dow Chemical Company is 50 percent or more.

BASF DOW HPPO Technology B.V. (1)

Netherlands

DoNedPa B.V.

Netherlands

Dow Austria Gesellschaft m.b.H.

Austria

Dow Belgium B.V.B.A.

Belgium

Dow Benelux B.V.

Netherlands

Polyol Belgium B.V.B.A.

Belgium

Terneuzen Partnership Services B.V.

Netherlands

Valuepark Terneuzen C.V. (1)

Netherlands

Valuepark Terneuzen Beheer B.V. (1)

Netherlands

Valuepark Terneuzen C.V. (1)

Netherlands

Dow Beteiligungsgesellschaft mbH & Co. KG

Germany

Dow Olefinverbund GmbH

Germany

Dow Chemical Company Limited

United Kingdom

Dow Chemical Services UK Limited

United Kingdom

Dow Limited

United Kingdom

Dow Services Trustees UK Limited

United Kingdom

Dow Trent Limited

United Kingdom

Dow Thames Limited

United Kingdom

Hyperlast Limited

United Kingdom

Dow UK Limited

United Kingdom

Dow Chemical East Africa Limited

Kenya

Dow Chemical Iberica S.L.

Spain

Terminal de Atraque de Productos Petroquimicos, A.I.E. (1)

Spain

Transformadora de Etileno A.I.E. (1)

Spain

Dow Chemical Korea Limited

Korea

Dow Chemical OOO

Russia

Dow Chemical Romania S.R.L.

Romania

Dow Chemical West Africa Limited

Ghana

Dow Corning Australia Pty. Ltd.

Australia

Dow Corning (Thailand) Limited

Thailand

Dow Corning de Argentina S.R.L.

Argentina

Dow Europe GmbH

Switzerland

Dow Chemical IMEA GmbH

Switzerland

Dow Egypt Services Limited

Egypt

Dow International Finance S.a.r.l.

Luxembourg

Dow Mideast Systems S.A.E. (JSC)

Egypt

Dow Hellas A.E.

Greece

Dow Hungary Kft.

Hungary

Dow Industrial Chemical Products Nigeria Limited

Nigeria

Dow InterBranch B.V.

Netherlands

Dow Benelux Integrated Center B.V.

Netherlands

Dow Chemical East Africa Limited

Kenya

Dow Danmark A/S

Denmark

Dow Industrial Chemical Products Nigeria Limited

Nigeria

Dow Material Sciences Ltd.

Israel

Dow Materials Science Saudi Arabia Limited

Saudi Arabia

Dow Mideast Systems S.A.E. (JSC)

Egypt

Dow Morocco SARL

Morocco

Dow Norge A/S

Norway

Subsidiaries of The Dow Chemical Company

EXHIBIT 21

At December 31, 2018

Location*

This list includes companies for which the effective ownership by The Dow Chemical Company is 50 percent or more.

Dow Silicones Belgium SPRL

Belgium

Dow Specialties Limited

Saudi Arabia

PT Rohm and Haas Indonesia

Indonesia

Rohm and Haas International SNC

France

Rohm and Haas Latinoamerica, S. de R.L. de C.V.

Mexico

Rohm and Haas Mexico, S. de R.L. de C.V.

Mexico

Santa Vitoria Acucar e Alcool Ltda.

Brazil

Dow Italia s.r.l.

Italy

Dow Italia Divisione Commerciale s.r.l.

Italy

Dow Material Sciences Ltd.

Israel

Dow Mideast Systems S.A.E. (JSC)

Egypt

Dow Egypt Services Limited

Egypt

Dow Morocco SARL

Morocco

Dow Olefinverbund GmbH

Germany

Dow Deutschland Anlagengesellschaft mbH

Germany

DDP Specialty Products Germany GmbH & Co. KG

Germany

Dow Deutschland Verwaltungs Vertriebs GmbH

Germany

Dow Produktions und Vertriebs GmbH & Co. OHG

Germany

Dow Stade Produktions GmbH & Co. OHG

Germany

Dow MF Verwaltungs GmbH

Germany

Dow Produktions und Vertriebs GmbH & Co. OHG

Germany

Dow Stade Produktions GmbH & Co. OHG

Germany

Dow Pipeline Gesellschaft mbH & Co. KG

Germany

Dow Pipeline Verwaltungsgesellschaft mbH

Germany

Dow Silicones Deutschland GmbH

Germany

Dow Performance Materials (Australia) Pty Ltd

Australia

Dow Polska Sp.z.o.o.

Poland

Dow Portugal Produtos Quimicos, Unipessoal, Lda.

Portugal

Dow Saudi Arabia Holding B.V.

Netherlands

Dow Saudi Arabia Investment B.V.

Netherlands

Dow Materials Science Saudi Arabia Limited

Saudi Arabia

Dow Saudi Arabia Product Marketing B.V.

Netherlands

Dow Silicones Belgium SPRL

Belgium

Dow Silicones UK Limited

United Kingdom

Dow Southern Africa (Pty) Ltd

South Africa

Rohm and Haas South Africa (PTY) Limited

South Africa

Dow Specialties Limited

Saudi Arabia

Dow Suomi OY

Finland

Dow Sverige AB

Sweden

Dow Turkiye Kimya Sanayi ve Ticaret Limited Sirketi

Turkey

Rohm and Haas Kimya Sanayi Limited Sirketi

Turkey

DowAksa Advanced Composites Holdings B.V. (1)

Netherlands

EQUATE Marketing Company E.C. (1)

Bahrain

Finndisp Ltd.

Russia

HPPO Holding & Finance C.V. (1)

Netherlands

MTP HPJV C.V.

Netherlands

MTP HPJV Management B.V.

Netherlands

Palmyra do Brasil Indústria e Comércio de Silício Metálico e Recursos Naturais Ltda.

Brazil

Subsidiaries of The Dow Chemical Company

EXHIBIT 21

At December 31, 2018

Location*

This list includes companies for which the effective ownership by The Dow Chemical Company is 50 percent or more.

Polyol Belgium B.V.B.A.

Belgium

Rohm and Haas (UK) Limited

United Kingdom

Rohm and Haas Denmark Bermuda GP ApS

Denmark

Rohm and Haas Denmark Holding Company ApS

Denmark

Rohm and Haas Espana Production Holding, S.L.

Spain

Rohm and Haas Espana, S.L.

Spain

Rohm and Haas Europe Services ApS

Denmark

Rohm and Haas Europe Trading ApS

Denmark

Rohm and Haas Italia S.r.l.

Italy

Rohm and Haas Kimyasal Urunler Uretim Dagitim ve Ticaret A.S.

Turkey

Rohm and Haas Electronic Materials Europe Ltd.

United Kingdom

Rohm and Haas International SNC

France

Dow France S.A.S.

France

Rohm and Haas Nederland B.V.

Netherlands

RUS Polyurethanes Holding B.V.

Netherlands

Dow Izolan OOO

Russia

Dow Izolan Ukraine LLC

Ukraine

Specialty Electronic Materials Netherlands B.V.

Netherlands

DDP Specialty Products Hungary Kft

Hungary

DDP Specialty Products Poland Sp. z o.o.

Poland

DDP Specialty Products Portugal, Lda

Portugal

DDP Specialty Products South Africa Proprietary Limited

South Africa

DDP Specialty Products Sweden AB

Sweden

DDP Specialty Products Turkey Kimya Uretim Ticart Limited Sirketi

Turkey

DSP Germany GmbH

Germany

DSP S.A.S.

Netherlands

DWDP Products Nigeria Limited

Nigeria

Specialty Products RUS OOO

Russia

Peak Spain, S.L. Sociedad Unipersonal

Spain

Specialty Electronic Materials Belgium, BVBA

Belgium

Specialty Electronic Materials Ireland Limited

Ireland

Specialty Electronic Materials Italy srl

Italy

Specialty Electronic Materials Switzerland GmbH

Switzerland

DDP Specialty Products Poland Sp. z o.o.

Poland

DDP Specialty Products Portugal, Lda

Portugal

DWDP Products Nigeria Limited

Nigeria

Specialty Electronic Materials UK Limited

United Kingdom

Specialty Products Finland Oy

Finland

Specialty Products FZE

United Arab Emirates

Dow Silicones Holding Japan G.K.

Japan

Dow Silicones Netherlands Holding B.V.

Netherlands

Dow Chemical Silicones Korea, Ltd.

Korea

Specialty Products Netherlands Holding 1 B.V.

Netherlands

Dow Siloxane (Zhangjiagang) Holding Co. Private Ltd.

Singapore

Dow Siloxanes (Zhangjiagang) Co., Ltd.

China

Specialty Products Japan G.K.

Japan

Dow Corning Toray Company, Ltd.

Japan

Site Services Japan, Co., Ltd.

Japan

Dow Toray Co., Ltd.

Japan

Subsidiaries of The Dow Chemical Company

EXHIBIT 21

At December 31, 2018

Location*

This list includes companies for which the effective ownership by The Dow Chemical Company is 50 percent or more.

DuPont Services Company B.V.

Netherlands

Multibase S.A.

France

Multibase India Limited

India

Multibase, Inc.

Delaware

DowBrands Inc.

Delaware

Rohm and Haas Company

Delaware

Charles Lennig & Company LLC

Delaware

Rohm and Haas Chile Limitada

Chile

Rohm and Haas Colombia Ltda

Colombia

DDP Specialty Electronic Materials US 8, LLC

Delaware

Dow Japan Holdings K.K.

Japan

ROH Holdings 1, LLC

Delaware

Rohm and Haas Equity Corporation

Delaware

DDP Specialty Electronic Materials US 4, LLC

Delaware

Specialty Electronic Materials (Thailand) Company Limited

Thailand

Dow Luxembourg Spectrum Holding S.a.r.l.

Luxembourg

Dow Netherlands Nordic Holding B.V.

Netherlands

ROH Holdings 2, LLC

Delaware

Rohm and Haas Chemicals LLC

Delaware

CVD Incorporated

Delaware

DDP Specialty Electronic Materials US 5, LLC

Delaware

Morton Intermediate Company

Delaware

Rohm and Haas Electronic Materials Taiwan Ltd.

Taiwan

Rohm and Haas Wood Treatment LLC

Delaware

Specialty Electronic Materials (Thailand) Company Limited

Thailand

Morton International Co., Ltd.

Japan

Morton International, LLC

Indiana

Morton International Productos Quimicos Ltda.

Brazil

Rohm and Haas Capital Corporation

Delaware

ROH Venture GmbH

Germany

ROH Delaware, LLC

Delaware

ROH Delaware, LP

Delaware

ROH Delaware, LP

Delaware

Rohm and Haas (Far East) Limited

Hong Kong

Rohm and Haas Chemical (Thailand) Limited

Thailand

Rohm and Haas China, Inc.

Delaware

Beijing Eastern Rohm and Haas Company Limited

China

Rohm and Haas International Trading (Shanghai) Co. Ltd.

China

Shanghai Eastern Rohm and Haas Co., Ltd.

China

Rohm and Haas Denmark Finance A/S

Denmark

Dow Chemical International Private Limited

India

PT Rohm and Haas Indonesia

Indonesia

RH DK Mexico Holding ApS

Denmark

Rohm and Haas Mexico, S. de R.L. de C.V.

Mexico

RH DK Vietnam Holdings ApS

Denmark

Rohm and Haas Vietnam Co., Ltd.

Vietnam

Rohm and Haas (China) Holding Co., Ltd.

China

Rohm and Haas (Foshan) Specialty Materials Co., Ltd.

China

Rohm and Haas Argentina S.R.L.

Argentina

Subsidiaries of The Dow Chemical Company

EXHIBIT 21

At December 31, 2018

Location*

This list includes companies for which the effective ownership by The Dow Chemical Company is 50 percent or more.

Rohm and Haas Chemicals Singapore Pte. Ltd.

Singapore

Rohm and Haas Denmark China Investment ApS

Denmark

Rohm and Haas Latinoamerica, S. de R.L. de C.V.

Mexico

Rohm and Haas Singapore (Pte.) Ltd.

Singapore

Specialty Electronic Materials Netherlands Holding 5 B.V.

Netherlands

RH DK Korea OLED Holdings ApS

Denmark

Dow Chemical OLED Ltd.

Korea

Rohm and Haas Electronic Materials Korea Ltd.

Korea

Rohm and Haas Denmark Bermuda Holding Company ApS

Denmark

Rohm and Haas Electronic Materials Asia Limited

Hong Kong

RH Denmark Dongguan Holding Company ApS

Denmark

DSP Singapore Holdings Pte. Ltd.

Singapore

CHPM NZ Limited

New Zealand

CUPOSIT Electronic Materials Zhangjiagang Co., Ltd.

China

DDP Speciality Products India Private Limited

India

PT Blue Cube Indonesia

Indonesia

TULP Operations Australia Pty Ltd

Australia

Rohm and Haas Electronic Materials (Shanghai) Co., Ltd.

China

Rohm and Haas Electronic Materials Singapore Pte. Ltd.

Singapore

Rohm and Haas Electronic Materials Singapore Pte. Ltd.

Singapore

Performance Electronics Materials Malaysia Sdn. Bhd.

Malaysia

PT Blue Cube Indonesia

Indonesia

Rohm and Haas Shanghai Chemical Industry Co., Ltd.

China

Rohm and Haas HK Dongguan Holding Limited

Hong Kong

Rohm and Haas Electronic Materials (Dongguan) Co., Ltd.

China

Specialty Electronic Materials Vietnam Co., Ltd

Vietnam

Rohm and Haas Korea Co., Ltd.

Korea

Rohm and Haas Malaysia Sdn Bhd

Malaysia

Rohm and Haas Texas Incorporated

Texas

Battleground Water Company

Texas

ROH Monomer Holding Company

Delaware

Rohm and Haas Investment Holdings Inc.

Delaware

Rohm and Haas Argentina S.R.L.

Argentina

Rohm and Haas Chile Limitada

Chile

Rohm and Haas Colombia Ltda

Colombia

Rohm and Haas Electronic Materials K.K.

Japan

CHPM Japan K.K.

Japan

Dow Chemical Japan Limited

Japan

Japan Acrylic Chemical Co., Ltd.

Japan

Rohm and Haas Equity Corporation

Delaware

Rohm and Haas Electronic Materials LLC

Delaware

Orion Electromateriales Servicios de Mexico, S. de R.L. de C.V.

Mexico

Orion Electromaterials, S. de R.L. de C.V.

Mexico

Specialty Electronic Materials Comercio de Produtos Quimicos do Brasil Ltda.

Brazil

Rohm and Haas Equity Corporation

Delaware

Rohm and Haas Investment Holdings Inc.

Delaware

Rohm and Haas New Zealand Limited

New Zealand

Dow Chemical Philippines, Inc.

Philippines

Rohm and Haas Quimica Ltda.

Brazil

Subsidiaries of The Dow Chemical Company

EXHIBIT 21

At December 31, 2018

Location*

This list includes companies for which the effective ownership by The Dow Chemical Company is 50 percent or more.

Specialty Products US 4, LLC

Delaware

Dow International Technology Corporation

Delaware

Dow Olefinverbund GmbH

Germany

Dow Peru S.A.

Peru

Dow Quimica Chilena S.A.

Chile

Dow Quimica de Colombia S.A.

Colombia

Dow Quimica Mexicana S.A. de C.V.

Mexico

Dow Roofing Systems LLC

Delaware

Dow Silicones Corporation

Michigan

DC Alabama, Inc.

Delaware

DCC Litigation Facility, Inc.

Delaware

DDP Specialty Electronic Materials US 9, LLC

Delaware

DC HSC Holdings LLC (1)

Delaware

Hemlock Semiconductor, L.L.C. (1)

Delaware

Multibase, Inc.

Delaware

Specialty Products Netherlands Holding 5 B.V.

Netherlands

Devonshire Underwriters Ltd.

District of Columbia

Dow (Shanghai) Management Co., Ltd.

China

Dow (Zhangjiagang) Holding Co., Ltd.

China

Dow Chemical International Private Limited

India

Dow Corning (Thailand) Limited

Thailand

Dow Corning China Limited

Hong Kong

Dow Luxembourg Spectrum Holding S.a.r.l.

Luxembourg

Dow Netherlands Tulip Holding B.V.

Netherlands

Dow Silicones (Zhangjiagang) Co., Ltd.

China

Dow Silicones Deutschland GmbH

Germany

Valley Asset Leasing, LLC

Delaware

Dow South Africa Holdings (Pty) Ltd.

South Africa

Sentrachem Limited

South Africa

Cisvaal (Proprietary) Limited

South Africa

Dow Verwaltungsgesellschaft mbH

Germany

DowBrands Inc.

Delaware

Essex Chemical Corporation

New Jersey

Essex Specialty Products LLC

New Jersey

Dow Chemical (Wuhan) Company Limited

China

FilmTec Corporation

Delaware

OMEX Overseas Holdings Inc.

Virgin Islands

Zhejiang OMEX Environmental Engineering Co., Ltd.

China

Flexible Products Company

Georgia

Forbanco Inc.

Delaware

General Latex and Chemical Corporation

Massachusetts

GNS Enterprises, LLC

Georgia

GNS Technologies, LLC

Georgia

Great Western Pipeline Company, Inc.

California

GWN Holding, LLC

Delaware

Dow Netherlands Pacific Holding B.V.

Netherlands

Dow Netherlands Orange Holding B.V.

Netherlands

Dow Netherlands Tulip Holding B.V.

Netherlands

Dow Netherlands Tulip Holding B.V.

Netherlands

Subsidiaries of The Dow Chemical Company

EXHIBIT 21

At December 31, 2018

Location*

This list includes companies for which the effective ownership by The Dow Chemical Company is 50 percent or more.

Dow Chemical Pacific (Singapore) Private Limited

Singapore

Dow Chemical (Malaysia) Sdn. Bhd.

Malaysia

Dow Chemical (Myanmar) Ltd.

Myanmar

Dow Chemical Bangladesh Private Limited

Bangladesh

Dow Chemical International Private Limited

India

Dow Chemical Pacific Limited

Hong Kong

Dow Chemical Vietnam Limited Liability Company

Vietnam

PT Dow Indonesia

Indonesia

Voltas Water Solutions Private Limited (1)

India

Rohm and Haas Canada Investments Limited

Canada

3229809 Nova Scotia Company

Canada

Dow Investment Argentina S.R.L.

Argentina

Dow Quimica Argentina S.R.L.

Argentina

PBBPolisur S.R.L.

Argentina

Dow Quimica Argentina S.R.L.

Argentina

PBBPolisur S.R.L.

Argentina

Rohm and Haas Canada LP

Canada

3308597 Nova Scotia Company

Canada

Dow Investment Argentina S.R.L.

Argentina

Rohm and Haas Canada LP

Canada

Dow Chemical Canada ULC

Canada

3308597 Nova Scotia Company

Canada

3294027 Nova Scotia Company

Canada

Dow Netherlands Holding 1 B.V.

Netherlands

Dow Brasil Industria e Comercio de Produtos Quimicos Ltda.

Brazil

Dow Brasil Sudeste Industrial Ltda.

Brazil

Dow Especialidades Quimicas Ltda.

Brazil

Dow Especialidades Quimicas Ltda.

Brazil

Dow Brasil Sudeste Industrial Ltda.

Brazil

Rohm and Haas Quimica Ltda.

Brazil

Dow Corning de Argentina S.R.L.

Argentina

Fort Saskatchewan Ethylene Storage Limited Partnership

Canada

Palmyra do Brasil Indústria e Comércio de Silício Metálico e Recursos Naturais Ltda.

Brazil

Pétromont and Company, Limited Partnership (1)

Canada

Pétromont Inc. (1)

Canada

SD Group Service Company Limited (1)

Thailand

Siam Polyethylene Company Limited (1)

Thailand

Siam Polyethylene Company Limited (1)

Thailand

Sentrachem Limited

South Africa

Ifco Inc.

Delaware

Chemtech II L.P.

Delaware

Liana Limited

Delaware

Dorinco Reinsurance Company

Michigan

Dorintal Reinsurance Limited

Vermont

NuvoSun, Inc.

California

NuvoSun (Shanghai) Co. Ltd.

China

Photon Systems LLC

Delaware

Rofan Services LLC

Delaware

Subsidiaries of The Dow Chemical Company

EXHIBIT 21

At December 31, 2018

Location*

This list includes companies for which the effective ownership by The Dow Chemical Company is 50 percent or more.

H Hotel Holding LLC

Delaware

MVCC Limited Partnership

Delaware

MVCC Limited Partnership

Delaware

Rohm and Haas Electronic Materials CMP Inc.

Delaware

DDP Specialty Electronic Materials US DCOMCO, Inc.

Delaware

Rohm and Haas Electronic Materials CMP Asia Inc.

Delaware

Nitta Haas Trading Company

Japan

Rohm and Haas Electronic Materials CMP Korea Ltd.

Korea

Rohm and Haas Electronic Materials CMP Sdn. Bhd.

Malaysia

Rohm and Haas Electronic Materials CMP Holdings, Inc.

Delaware

Rohm and Haas International Holdings Inc.

Delaware

DDP Specialty Electronic Materials US 1, LLC

Delaware

Dow Chemical Singapore Holdings Pte. Ltd.

Singapore

Dow Chemical (Australia) Pty Ltd

Australia

Dow Chemical (NZ) Limited

New Zealand

Dow Chemical International Private Limited

India

Dow Chemical Korea Limited

Korea

Rohm and Haas Asia Holdings B.V.

Netherlands

DDP Specialty Products Taiwan Co., Ltd.

Taiwan

Dow Chemical OLED Ltd.

Korea

Rohm and Haas Electronic Materials Asia-Pacific Co., Ltd.

Taiwan

Rohm and Haas Electronic Materials Korea Ltd.

Korea

Rohm and Haas Japan Holdings YK

Japan

Nitta Haas Incorporated

Japan

Rodel Particles, Inc.

Japan

Rohm and Haas Taiwan, Inc.

Taiwan

Terneuzen Investments Holding B.V.

Netherlands

Specialty Products Netherlands Holding 4 B.V.

Netherlands

Specialty Electronic Materials (Thailand) Company Limited

Thailand

Specialty Products Netherlands Holding 5 B.V.

Netherlands

3315639 Nova Scotia Company

Canada

3313045 Nova Scotia Company

Canada

Specialty Products US 2, LLC

Delaware

Specialty Products US 5, LLC

Delaware

Santa Vitoria Acucar e Alcool Ltda.

Brazil

Sentrachem US, Inc.

Delaware

Hampshire Holdings, Inc.

Delaware

Hampshire Chemical Corp.

Delaware

Siam Polystyrene Company Limited (1)

Thailand

Siam Styrene Monomer Company Limited (1)

Thailand

Siam Synthetic Latex Company Limited (1)

Thailand

TDCC Subsidiary C, Inc.

Delaware

Univation Technologies, LLC

Delaware

Univation Technologies (Hong Kong) Limited

Hong Kong

Univation (Zhangjiagang) Chemical Company Limited

China

Univation Technologies International, LLC

Delaware

Tianjin Panda Terminal Holdings Pte. Ltd.

Singapore

Tianjin Panda Terminal (Hong Kong) Limited

Hong Kong

POLY-CARB, Inc.

Ohio

Subsidiaries of The Dow Chemical Company

EXHIBIT 21

At December 31, 2018

Location*

This list includes companies for which the effective ownership by The Dow Chemical Company is 50 percent or more.

Union Carbide Corporation

New York

Amerchol Corporation

Delaware

Calidria Corporation

Delaware

Carbide Chemical (Thailand) Limited

Thailand

Dow International Holdings Company

Delaware

Dow Quimica Mexicana S.A. de C.V.

Mexico

Global Industrial Corporation

New York

Peñuelas Technology Park LLC

Delaware

Seadrift Pipeline Corporation

Delaware

South Charleston Sewage Treatment Company

West Virginia

Specialty Products US, LLC

Delaware

UCAR Louisiana Pipeline Company

Delaware

UCAR Pipeline Incorporated

Delaware

Dow Quimica Chilena S.A.

Chile

Dow Peru S.A.

Peru

UCAR Emulsion Systems FZE

Dubai

Umetco Minerals Corporation

Delaware

Blue Creek Coal Company, Inc.

Delaware

Predate Properties (Pty) Ltd.

South Africa

Union Carbide Asia Limited

Hong Kong

Union Carbide Asia Pacific, Inc.

Delaware

Union Carbide Chemicals & Plastics Technology LLC

Delaware

Dow Technology Investments LLC

Delaware

Union Carbide Customer Services Pte. Ltd.

Singapore

Union Carbide Middle East Limited

Delaware

Union Carbide Philippines (Far East), Inc.

Philippines

Union Carbide South Africa (Proprietary) Limited

South Africa

Union Polymers Sdn. Bhd.

Malaysia

Westbridge Insurance Ltd.

Vermont

Warbler I LLC

Delaware

Location of incorporation or organization. Primary location of organization is reported for partnerships.