CONSTELLIUM SE Subsidiaries
Every subsidiary the company listed in Exhibit 21 of its annual reports, newest list first (2 lists). Names and jurisdictions are as filed.
- 2026-02-25: Subsidiary Alcan International Network México S.A. de C.V.; Jurisdiction Mexico.
- 2026-02-25: Subsidiary AluInfra Services SA; Jurisdiction Switzerland.
- 2026-02-25: Subsidiary Astrex Inc.; Jurisdiction Canada.
- 2026-02-25: Subsidiary Constellium Automotive México, S. DE R.L. DE C.V.; Jurisdiction Mexico.
| Annual report filed | Subsidiary | Jurisdiction |
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| 2026-02-25 | Alcan International Network México S.A. de C.V. | Mexico |
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| 2026-02-25 | AluInfra Services SA | Switzerland |
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| 2026-02-25 | Astrex Inc. | Canada |
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| 2026-02-25 | Constellium Automotive México, S. DE R.L. DE C.V. | Mexico |
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| 2026-02-25 | Constellium Automotive México Trading, S. DE R.L. DE C.V. | Mexico |
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| 2026-02-25 | Constellium Automotive Spain, S.L. | Spain |
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| 2026-02-25 | Constellium Automotive USA, LLC | Delaware |
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| 2026-02-25 | Constellium Automotive Žilina, s.r.o. | Slovak Republic |
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| 2026-02-25 | Constellium Bowling Green LLC | Delaware |
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| 2026-02-25 | Constellium China Co., Ltd. | China |
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| 2026-02-25 | Constellium Deutschland GmbH | Germany |
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| 2026-02-25 | Constellium Engley (Changchun) Automotive Structures Co Ltd. | China |
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| 2026-02-25 | Constellium Extrusions Decin s.r.o. | Czech Republic |
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| 2026-02-25 | Constellium Extrusions France | France |
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| 2026-02-25 | Constellium Extrusions Levice S.r.o. | Slovak Republic |
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| 2026-02-25 | Constellium Finance | France |
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| 2026-02-25 | Constellium France III | France |
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| 2026-02-25 | Constellium France Holdco | France |
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| 2026-02-25 | Constellium Germany Holdco GmbH & Co. KG | Germany |
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| 2026-02-25 | Constellium Germany Verwaltungs GmbH | Germany |
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| 2026-02-25 | Constellium Holdings Muscle Shoals LLC | Delaware |
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| 2026-02-25 | Constellium International | France |
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| 2026-02-25 | Constellium Issoire | France |
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| 2026-02-25 | Constellium Japan KK | Japan |
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| 2026-02-25 | Constellium Metal Procurement LLC Constellium Montreuil Juigné | Delaware France |
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| 2026-02-25 | Constellium Muscle Shoals LLC | Delaware |
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| 2026-02-25 | Constellium Muscle Shoals Funding II LLC | Delaware |
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| 2026-02-25 | Constellium Muscle Shoals Funding III LLC | Delaware |
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| 2026-02-25 | Constellium Neuf Brisach | France |
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| 2026-02-25 | Constellium Paris | France |
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| 2026-02-25 | Constellium Rolled Products Ravenswood, LLC | Delaware |
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| 2026-02-25 | Constellium Rolled Products Singen GmbH & Co. KG | Germany |
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| 2026-02-25 | Constellium Singen GmbH | Germany |
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| 2026-02-25 | Constellium Switzerland AG | Switzerland |
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| 2026-02-25 | Constellium Treuhand UG (haftunsgbeschränkt) | Germany |
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| 2026-02-25 | Constellium UK Limited | United Kingdom |
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| 2026-02-25 | Constellium US Holdings I, LLC | Delaware |
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| 2026-02-25 | Constellium US Intermediate Holdings LLC | Delaware |
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| 2026-02-25 | Constellium Valais SA | Switzerland |
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| 2026-02-25 | C-TEC Constellium Technology Center | France |
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| 2026-02-25 | Railtech-Alu-Singen | France |
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