TRINSEO PUBLIC LIMITED COMPANY

Owns22

• ALTUGLAS LLC

  Held through a subsidiaryUnited States

• API INDUSTRIAL PLASTICS APPLICATIONS SPA

  Held through a subsidiaryItaly

• PT TRINSEO MATERIALS INDONESIA

  Held through a subsidiaryIndonesia

• TRINSEO BELGIUM

  Held through a subsidiaryBelgium

• TRINSEO CANADA ULC

  Held through a subsidiaryCanada

• TRINSEO DEUTSCHLAND ANLAGENGESELLSCHAFT MBH

  Held through a subsidiaryGermany

• TRINSEO DEUTSCHLAND GMBH

  Held through a subsidiaryGermany

• Trinseo Europe GmbH

  Direct subsidiarySwitzerland

• TRINSEO EXPORT GMBH

  Held through a subsidiarySwitzerland

• TRINSEO FRANCE SAS

  Held through a subsidiaryFrance

• TRINSEO HOLDING B.V.

  Direct subsidiaryNetherlands

• Trinseo Holding S.à r.l.

  Held through a subsidiaryLuxembourg

• TRINSEO HOLDINGS ASIA PTE. LTD.

  Held through a subsidiarySingapore

• Trinseo (Hong Kong) Limited

  Held through a subsidiaryHong Kong SAR China

• TRINSEO INDIA TRADING PRIVATE LIMITED

  Held through a subsidiaryIndia

• TRINSEO IRELAND GLOBAL IHB LIMITED

  Held through a subsidiaryIreland

• TRINSEO JAPAN Y.K.

  Held through a subsidiaryJapan

• TRINSEO KOREA LTD.

  Held through a subsidiarySouth Korea

• TRINSEO NETHERLANDS B.V.

  Held through a subsidiaryNetherlands

• Trinseo Suomi Oy

  Held through a subsidiaryFinland

• Trinseo Sverige AB

  Held through a subsidiarySweden

• TRINSEO UK LIMITED

  Held through a subsidiaryUnited Kingdom

Why no parent is reported

No direct parent reportedNo ultimate parent reported

The parent is one or more private individuals