• Westlake Corporation posted a net loss attributable to shareholders of USD 169 million, or USD 1.31 per share, as net sales fell 6.82% year over year to USD 2.65 billion.
• Operating loss widened to USD 172 million from USD 32 million a year earlier, while EBITDA turned to a gain of USD 150 million from USD 288 million.
• Identified Items totaled USD 85 million, including a USD 67 million litigation settlement tied to PVC pipe and fittings purchasers plus USD 18 million of facility shutdown charges.
• Housing and Infrastructure Products net sales slipped 0.3% year over year to USD 993 million, while Performance and Essential Materials net sales dropped 10.32% to USD 1.66 billion.
• CEO Jean-Marc Gilson said margin improvement emerged late in quarter in PEM tied to Iranian conflict, with PVC resin and polyethylene prices rising since March closure of Strait of Hormuz; company expects meaningful benefit to PEM margins through at least summer 2026.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Westlake Corporation published the original content used to generate this news brief via Business Wire (Ref. ID: 20260505744444) on May 05, 2026, and is solely responsible for the information contained therein.