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NYSE: WLK WESTLAKE CORP 8-K

Westlake wins dismissal of two ethylene antitrust suits totaling €1B+ in claims

Filed July 29, 2026 · Period ending July 29, 2026 · ~1 min read

Key Changes

  • high

    Amsterdam court dismissed Shell Chemical Europe's lawsuit claiming an undisclosed amount €1,025 million in damages plus interest; dismissal subject to appeal.

  • high

    Court also dismissed Stichting Ethylene Claims' lawsuit seeking declaratory judgment of liability for unspecified damages; both dismissals appealable.

  • medium

    Twelve ethylene antitrust lawsuits remain pending at trial court level in the Netherlands and Germany.

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Source-verified from EDGAR · Narrative written by AI · Jul 30, 2026 · How we verify