Westlake Reports $1.5B Net Loss for 2025 Driven by $727M Goodwill Impairment and $640M Restructuring Charges
WLK sits 77% above its 52-week low of $56.33 on light trading volume (0.2× avg).
Summary
Westlake Corporation reported a substantial net loss of $1.51 billion for 2025, driven by significant goodwill impairment and restructuring charges, alongside negative EBITDA and Free Cash Flow, indicating a challenging operational and financial year.
Key Events · Earnings and Guidance · WLK
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Significant Net Loss and EPS Decline
The company reported a net loss attributable to Westlake Corporation of $1,508 million, or $11.70 per diluted share, for the year ended December 31, 2025, a substantial decrease from a net income of $602 million ($4.64 diluted EPS) in 2024.
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Operational Performance Deterioration
Income from operations swung to a loss of $1,578 million in 2025 from a profit of $875 million in 2024. EBITDA turned negative at $(248) million, and Free Cash Flow was $(530) million, reflecting lower sales prices, reduced volumes, and higher energy/feedstock costs.
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Major Impairment and Restructuring Charges
The results include a $727 million non-cash goodwill impairment charge related to the North American Chlorovinyls reporting unit and $640 million in restructuring, transaction, and integration-related costs, primarily from facility closures in North America, the Netherlands, and China.
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Increased Debt and Refinancing
Westlake issued $1.2 billion in new senior notes (5.550% due 2035 and 6.375% due 2055) in November 2025, increasing total indebtedness to $5.6 billion. A portion of the proceeds was used to repurchase $254 million of 3.60% 2026 Senior Notes and fund the ACI acquisition.
Analysis · WLK · Industrial Applications And Services
Westlake Corporation's 2025 annual report reveals a significant financial downturn, with a net loss of $1.51 billion and negative EBITDA and Free Cash Flow, a stark reversal from the prior year's profitability. This substantial loss is primarily attributed to a $727 million non-cash goodwill impairment charge in the Performance and Essential Materials segment and $640 million in restructuring and facility closure costs across its global operations. The company also increased its long-term debt by issuing $1.2 billion in new senior notes, raising total indebtedness to $5.6 billion, while using a portion to repurchase existing notes and fund a recent acquisition. The filing details numerous ongoing and potentially material legal and environmental proceedings, including several large antitrust lawsuits and significant environmental liabilities, which introduce considerable future uncertainty. While a preliminary net loss was previously announced in an 8-K filing on February 24, 2026, this 10-K provides the full audited financial details and a comprehensive breakdown of the underlying issues, confirming the severity of the challenges faced by the company.
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In the 30 days to Oct 3, 2026, 41% of the 324 measured filings Wiseek scored 9 moved their stock by 5% or more by the next session's close. The median move was -0.33%. These are measured outcomes after filings of this importance, not a forecast for this one.
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At the time of this filing, WLK was trading at $99.71 on NYSE in the Industrial Applications And Services sector, with a market capitalization of approximately $12.8B. The 52-week trading range was $56.33 to $114.75. This filing was assessed with negative market sentiment and an importance score of 9 out of 10.