Exhibit 21
LIST OF SUBSIDIARIES OF THE REGISTRANT
As of December 31, 2020
| Entity Name | Jurisdiction of Formation | |||||||
| A. Schulman AG | Switzerland | |||||||
| A. Schulman Belgium BV | Belgium | |||||||
| A. Schulman Canada Ltd. | Canada (Ontario) | |||||||
| A. Schulman Castellon S.L. | Spain | |||||||
| A. Schulman de Mexico S.A. de C.V. | Mexico | |||||||
| A. Schulman del Peru S.A.C. | Peru | |||||||
| A. Schulman Europe GmbH & Co. KG | Germany | |||||||
| A. Schulman Europe International B.V. | Netherlands | |||||||
| A. Schulman Europe Verwaltungs GmbH | Germany | |||||||
| A. Schulman Gainsborough Ltd | United Kingdom | |||||||
| A. Schulman GmbH | Germany | |||||||
| A. Schulman GmbH (Austrian Branch) | Austria | |||||||
| A. Schulman Holdings (France) S.A.S. | France | |||||||
| A. Schulman Holdings S.à r.l. | Luxembourg | |||||||
| A. Schulman Inc. Limited | United Kingdom | |||||||
| A. Schulman International Inc. | USA (Delaware) | |||||||
| A. Schulman International Services BV | Belgium | |||||||
| A. Schulman Magyarország Kereskedelmi Korlátolt Felelősségű Társaság | Hungary | |||||||
| A. Schulman Nordic AB | Sweden | |||||||
| A. Schulman Plásticos do Brasil Ltda. | Brazil | |||||||
| A. Schulman Plastics (Branch) | United Arab Emirates | |||||||
| A. Schulman Plastics (Suzhou) Ltd. | China | |||||||
| A. Schulman Plastics BV | Belgium | |||||||
| A. Schulman Plastics India Private Limited | India | |||||||
| A. Schulman Plastics S.r.l. | Italy | |||||||
| A. Schulman Plastics SAS | France | |||||||
| A. Schulman Plastіk Sanayi ve Ticaret Anonim Sirketi | Turkey | |||||||
| A. Schulman Polska Sp. z o.o. | Poland | |||||||
| A. Schulman Real Estate GmbH & Co. KG | Germany | |||||||
| A. Schulman S.à r.l. | Luxembourg | |||||||
| A. Schulman S.A.S. | France | |||||||
| A. Schulman 's-Gravendeel B.V. | Netherlands | |||||||
| A. Schulman Thermoplastic Compounds Limited | United Kingdom | |||||||
| A.Schulman Poznan Sp. Z o.o. | Poland | |||||||
| Al Waha Petrochemical Company | Saudi Arabia | |||||||
| AS Mex Hold S.A. de C.V. | Mexico | |||||||
1
| Entity Name | Jurisdiction of Formation | |||||||
| AS Worldwide LLC & Cie, S.C.S. | Luxembourg | |||||||
| AS Worldwide, LLC | USA (Delaware) | |||||||
| ASI Employment S.A. de C.V. | Mexico | |||||||
| ASI Investments Holding Co. | USA (Delaware) | |||||||
| Basell (Thailand) Holdings B.V. | Netherlands | |||||||
| Basell Advanced Polyolefins (Dalian) Co. Ltd. | China | |||||||
| Basell Advanced Polyolefins (Suzhou) Co. Ltd. | China | |||||||
| Basell Advanced Polyolefins (Thailand) Company Ltd. | Thailand | |||||||
| Basell Arabie Investissements SAS | France | |||||||
| Basell Asia Pacific Limited | Hong Kong | |||||||
| Basell Bayreuth Chemie GmbH | Germany | |||||||
| Basell Benelux B.V. | Netherlands | |||||||
| Basell Chemie Köln GmbH | Germany | |||||||
| Basell Germany Holdings GmbH | Germany | |||||||
| Basell Holdings Middle East GmbH | Germany | |||||||
| Basell Ibérica Poliolefinas Holdings S.L. | Spain | |||||||
| Basell International Holdings B.V. | Netherlands | |||||||
| Basell International Trading FZE | United Arab Emirates | |||||||
| Basell Italia S.r.l | Italy | |||||||
| Basell Mexico, S. de R.L. de C.V. | Mexico | |||||||
| Basell Moyen Orient Investissements SAS | France | |||||||
| Basell North America Inc. | USA (Delaware) | |||||||
| Basell Orlen Polyolefins Sp. Z.o.o. | Poland | |||||||
| Basell Orlen Polyolefins Sprzedaz Sp. Z.o.o. | Poland | |||||||
| Basell Poliolefinas Comercial Espagnola S.L. | Spain | |||||||
| Basell Poliolefinas Iberica S.L. | Spain | |||||||
| Basell Poliolefinas Ltda. | Brazil | |||||||
| Basell Poliolefinas, S. de R.L. de C.V. | Mexico | |||||||
| Basell Poliolefine Italia S.r.l. | Italy | |||||||
| Basell Polyolefin Istanbul Ticaret Limited Sirketi | Turkey | |||||||
| Basell Polyolefine GmbH | Germany | |||||||
| Basell Polyolefines France S.A.S. | France | |||||||
| Basell Polyolefins India Private Limited | India | |||||||
| Basell Polyolefins Korea Ltd. | Korea, Republic Of | |||||||
| Basell Polyolefins UK Limited | United Kingdom | |||||||
| Basell Sales & Marketing Company B.V. | Belgium | |||||||
| Basell Sales & Marketing Company B.V. | France | |||||||
| Basell Sales & Marketing Company B.V. | Italy | |||||||
| Basell Sales & Marketing Company B.V. | Netherlands | |||||||
2
| Entity Name | Jurisdiction of Formation | |||||||
| Basell Sales & Marketing Company B.V. | United Kingdom | |||||||
| Basell Sales & Marketing Company B.V. Magyarországi Fióktelepe | Hungary | |||||||
| Basell Sales & Marketing Company B.V. Sucursal en España | Spain | |||||||
| Basell Sales & Marketing Company B.V. Svensk Filial | Sweden | |||||||
| Basell Sales & Marketing Company B.V. Zweigniederlassung Österreich | Austria | |||||||
| Basell Sales & Marketing Company B.V., organizacná zložka | Slovakia | |||||||
| Basell Sales & Marketing Company BV Sp. z o.o. oddzial w Polsce | Poland | |||||||
| Basell Slovakia s.r.o. | Slovakia | |||||||
| Basell Trading (Shanghai) Co. Ltd. | Shanghai | |||||||
| Basell UK Holdings Limited | United Kingdom | |||||||
| Basell UK Ltd. | United Kingdom | |||||||
| BKV Beteiligungs- und Kunststoffverwertungs-gesellschaft mbH | Germany | |||||||
| BMC Deutschland GmbH | Germany | |||||||
| BMC TetraDURTurkey Plastik Hammadde Kompozit Üretim Sanayi ve Ticaret Limted Şirketi | Turkey | |||||||
| Bora LyondellBasell Petrochemical Co., Ltd. | China | |||||||
| Brindisi Servizi Generali S.c.a.r.l. | Italy | |||||||
| Bulk Molding Compounds do Brasil Industria de Plásticos Reforçados Ltda. | Brazil | |||||||
| Bulk Molding Compounds Mexico, S. de R.L. de C.V. | Mexico | |||||||
| Bulk Molding Compounds, Inc. | USA (Illinois) | |||||||
| Citadel Brazil Holdings LLC | USA (Delaware) | |||||||
| Citadel Intermediate Holdings, LLC | USA (Delaware) | |||||||
| Citadel Plastics Holdings Coöperatief U.A. | Netherlands | |||||||
| Citadel Plastics Holdings, Inc. | USA (Delaware) | |||||||
| Citadel Plastics Mexico Holdings, LLC | USA (Delaware) | |||||||
| Citadel Plastics Netherlands Holdings, LLC | USA (Delaware) | |||||||
| Compagnie de Distribution des Hydrocarbures SAS | France | |||||||
| Compagnie Petrochimique de Berre SAS | France | |||||||
| Elian S.A.S. | France | |||||||
| EPS Ethylen-Pipeline-Süd Geschäftsführungs GmbH | Germany | |||||||
| EPS Ethylen-Pipeline-Süd GmbH & Co. KG | Germany | |||||||
| Equistar Bayport, LLC | USA (Delaware) | |||||||
| Equistar Chemicals, LP | USA (Delaware) | |||||||
| Equistar GP, LLC | USA (Delaware) | |||||||
| Equistar LP, LLC | USA (Delaware) | |||||||
| Equistar Mont Belvieu Corporation | USA (Delaware) | |||||||
| Guangzhou Basell Advanced Polyolefins Co., Ltd. | China | |||||||
| Hadlock Plastics, LLC | USA (Delaware) | |||||||
| HGGC Citadel Plastics Holdings, Inc. | USA (Delaware) | |||||||
| HGGC Citadel Plastics Intermediate Holdings, Inc. | USA (Delaware) | |||||||
3
| Entity Name | Jurisdiction of Formation | |||||||
| HMC Polymers Company Limited | Thailand | |||||||
| Houston Refining LP | USA (Delaware) | |||||||
| HPC Holdings, LLC | USA (Delaware) | |||||||
| I.F.M. S.c.a.r.l. | Italy | |||||||
| ICO Holdings New Zealand Limited | New Zealand | |||||||
| ICO Petrochemical Cayman Islands | Cayman Islands | |||||||
| ICO Polymers Cayman Islands | Cayman Islands | |||||||
| Indelpro, S.A. de C.V. | Mexico | |||||||
| Infraserv GmbH & Co. Höchst KG | Germany | |||||||
| Inmobiliaria Satchmo, S. de R.L. de C.V. | Mexico | |||||||
| Innovación Y Desarrollo en Materiales Avanzados, A.C. | Mexico | |||||||
| J.R. Courtenay (N.Z.) Limited | New Zealand | |||||||
| Limited Liability Company "LyondellBasell Polyolefins" | Russian Federation | |||||||
| Limited Liability Company A. Schulman | Russian Federation | |||||||
| Louisiana Integrated PolyEthylene JV LLC | USA (Delaware) | |||||||
| LYB (Barbados) SRL | Barbados | |||||||
| LYB Advanced Polymer Solutions Ireland Limited | Ireland | |||||||
| LYB Americas Finance Company LLC | USA (Delaware) | |||||||
| LYB Brazil Holdings LLC | USA (Delaware) | |||||||
| LYB Equistar Holdings LLC | USA (Delaware) | |||||||
| LYB Export Holdings Limited | United Kingdom | |||||||
| LYB Exports Inc. | USA (Delaware) | |||||||
| LYB Finance Company B.V. | Netherlands | |||||||
| LYB International Finance B.V. | Netherlands | |||||||
| LYB International Finance II B.V. | Netherlands | |||||||
| LYB International Finance III, LLC | USA (Delaware) | |||||||
| LYB Ireland Limited | Ireland | |||||||
| LYB Luxembourg S.à r.l. | Luxembourg | |||||||
| LYB Matrixx Holdings Inc. | USA (Delaware) | |||||||
| LYB Premix Holding LLC | USA (Delaware) | |||||||
| LYB Premix LLC | USA (Ohio) | |||||||
| LYB Receivables LLC | USA (Delaware) | |||||||
| LYB Trading Company B.V. | Netherlands | |||||||
| LYB Treasury Services Ltd. | United Kingdom | |||||||
| Lyondell Asia Holdings Limited | Hong Kong | |||||||
| Lyondell Chemical Company | USA (Delaware) | |||||||
| Lyondell Chemical Europe, Inc. | USA (Delaware) | |||||||
| Lyondell Chemical Overseas Services, Inc. | USA (Delaware) | |||||||
| Lyondell Chemical Products Europe LLC | USA (Delaware) | |||||||
4
| Entity Name | Jurisdiction of Formation | |||||||
| Lyondell Chemical Properties, L.P. | USA (Delaware) | |||||||
| Lyondell Chemical Technology 1 Inc. | USA (Delaware) | |||||||
| Lyondell Chemical Technology Management, Inc. | USA (Delaware) | |||||||
| Lyondell Chemical Technology, L.P. | USA (Delaware) | |||||||
| Lyondell Chemie (PO-11) B.V. | Netherlands | |||||||
| Lyondell Chemie (POSM) B.V. | Netherlands | |||||||
| Lyondell Chemie Nederland B.V. | Netherlands | |||||||
| Lyondell Chimie France SAS | France | |||||||
| Lyondell China Holdings Limited | Hong Kong | |||||||
| Lyondell Greater China Holdings Limited | Hong Kong | |||||||
| Lyondell Greater China Trading Limited | China | |||||||
| Lyondell Japan, Inc. | Japan | |||||||
| Lyondell PO-11 C.V. | Netherlands | |||||||
| Lyondell POJVGP, LLC | USA (Delaware) | |||||||
| Lyondell POJVLP, LLC | USA (Delaware) | |||||||
| Lyondell POTechGP, Inc. | USA (Delaware) | |||||||
| Lyondell POTechLP, Inc. | USA (Delaware) | |||||||
| Lyondell Refining Company LLC | USA (Delaware) | |||||||
| Lyondell Refining I LLC | USA (Delaware) | |||||||
| Lyondell South Asia Pte Ltd | Singapore | |||||||
| LyondellBasell Acetyls Holdco, LLC | USA (Delaware) | |||||||
| LyondellBasell Acetyls, LLC | USA (Delaware) | |||||||
| LyondellBasell Advanced Polymer (Dongguan) Co. Ltd. | China | |||||||
| LyondellBasell Advanced Polymers (Malaysia) Sdn. Bhd. | Malaysia | |||||||
| LyondellBasell Advanced Polymers Inc. | USA (Delaware) | |||||||
| LyondellBasell Advanced Polyolefins (Malaysia) Sdn. Bhd. | Malaysia | |||||||
| LyondellBasell Advanced Polyolefins Mexico, S.A. de C.V. | Mexico | |||||||
| LyondellBasell Advanced Polyolefins Pty Ltd | Australia | |||||||
| LyondellBasell Australia (Holdings) Pty Ltd | Australia | |||||||
| LyondellBasell Australia Pty Ltd | Australia | |||||||
| LyondellBasell Brasil Ltda. | Brazil | |||||||
| LyondellBasell Canada Inc. | Canada (British Columbia) | |||||||
| LyondellBasell Central Europe Kft. | Hungary | |||||||
| LyondellBasell China Holdings B.V. | Netherlands | |||||||
| LyondellBasell Circular Economy B.V. | Netherlands | |||||||
| LyondellBasell Covestro Manufacturing Maasvlakte V.O.F. | Netherlands | |||||||
| LyondellBasell Egypt LLC | Egypt | |||||||
| LyondellBasell Finance Company | USA (Delaware) | |||||||
| LyondellBasell Holdings France SAS | France | |||||||
5
| Entity Name | Jurisdiction of Formation | |||||||
| LyondellBasell Hungary Kft | Hungary | |||||||
| LyondellBasell Industries Holdings B.V. | Netherlands | |||||||
| LyondellBasell Industries N.V. | Netherlands | |||||||
| LyondellBasell Investment LLC | USA (Delaware) | |||||||
| LyondellBasell LC Offtake LLC | USA (Delaware) | |||||||
| LyondellBasell Malaysia Sdn. Bhd. | Malaysia | |||||||
| LyondellBasell Polyolefin (Shanghai) Co., Ltd. | China | |||||||
| LyondellBasell Services France S.A.S. | France | |||||||
| LyondellBasell Subholdings B.V. | Netherlands | |||||||
| LyondellBasell Taiwan Co., Ltd. | Taiwan | |||||||
| LyondellBasell Transportation Company, LLC | USA (Delaware) | |||||||
| Natpet Schulman Specialty Plastic Compounds | Saudi Arabia | |||||||
| Ningbo ZRCC Lyondell Chemical Co. Ltd. | China | |||||||
| Ningbo ZRCC Lyondell Chemical Marketing Co. Ltd. | China | |||||||
| OE Insurance Ltd | Bermuda | |||||||
| Oil Casualty Insurance, Ltd. | Bermuda | |||||||
| Oil Insurance Limited | Bermuda | |||||||
| PD Glycol LP | Texas | |||||||
| PO JV, LP | USA (Delaware) | |||||||
| PO Offtake, LP | USA (Delaware) | |||||||
| Poly Pacific Polymers Sdn. Bhd. | Malaysia | |||||||
| Poly Pacific Pty. Ltd. | Australia | |||||||
| PolyMirae Co., Ltd. | Korea, Republic Of | |||||||
| PT LyondellBasell Advanced Polyolefins | Indonesia | |||||||
| PT LyondellBasell Advanced Polyolefins Commercial | Indonesia | |||||||
| PTT Chemical PCL | Thailand | |||||||
| QCP B.V. | Netherlands | |||||||
| QCP Holding B.V. | Netherlands | |||||||
| QCP IP B.V. | Netherlands | |||||||
| Quantum Composites, Inc. | USA (Ohio) | |||||||
| Rayong Olefins Co., Ltd. | Thailand | |||||||
| RIGK GmbH Gesellschaft zur Rückführung industrieller and gewerblicher Kunstoffverpackungen mbH | Germany | |||||||
| San Jacinto Rail Limited | USA (Delaware) | |||||||
| Saudi Ethylene & Polyethylene Company | Saudi Arabia | |||||||
| Saudi Polyolefins Company | Saudi Arabia | |||||||
| SCG ICO Polymers Company Limited | Thailand | |||||||
| Sociedad Espanola De Materiales Plasticos, Semap, S.A. | Spain | |||||||
| Société des Stockages Petroliers du Rhône SA | France | |||||||
| Surplast S.A. | Argentina | |||||||
6
| Entity Name | Jurisdiction of Formation | |||||||
| Technology JV, LP | USA (Delaware) | |||||||
| tetra-DUR Kunststoff-Produktion GmbH | Germany | |||||||
| TRV Thermische Rückstandsverwertung GmbH & Co. KG | Germany | |||||||
| TRV Thermische Rückstandsverwertung Verwaltungs-GmbH | Germany | |||||||
| ULSAN PP Co., Ltd. | Korea, Republic Of | |||||||
| YNCORIS GmbH & Co. KG | Germany | |||||||
7