Westlake generated $2.53 billion in Q4 2025 revenue but reported a net loss of $544 million, primarily due to $511 million of identified shutdown and restructuring charges. EBITDA was negative and margins contracted sharply year-over-year, reflecting lower sales volumes, lower average selling prices, and higher feedstock and energy costs.
Net sales declined 11% year-over-year due to lower volumes and pricing across both segments.
Net loss of $544 million was heavily impacted by $511 million of identified shutdown and restructuring items.
Performance and Essential Materials segment posted a $717 million operating loss with negative EBITDA.
Housing and Infrastructure Products remained profitable but experienced lower sales volume and margin compression.
Management expects earnings improvement in 2026 driven by the PEM profitability improvement plan and structural cost reductions, while macroeconomic conditions remain challenging.
Visualization of income flow from segment revenue to net income
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