Earnings Analysis November 4, 2026

Westlake Corp ($WLK) Q3 2026 Earnings Analysis: Revenue Beats Estimates, Adjusted EPS Misses

Earnings Report

Revenue: $2.981 billion (YoY +5.0%, estimated $2.940 billion) ✅ Beat

EPS (Earnings Per Share): Adjusted $0.45, GAAP $0.05 (estimated $0.50) ❌ Miss

Guidance: Maintained · Target of $600 million EBITDA improvement by 2026 (3-point profitability improvement plan)

Stock Reaction: After-hours +2.23% ($70, as of 11-04 19:35 KST)

Highlights

Revenue Beat: Q3 revenue of $2.981 billion exceeded the estimated $2.940 billion.

Performance Materials Profit Recovery: Adjusted EBITDA for the Performance Materials segment rose to $215 million, more than doubling from $90 million last year.

Turnaround to Cash Generation: Free cash flow turned positive at $220 million, compared to an outflow of $57 million in the same period last year.

The Performance Materials segment, with recovering prices, drove profit improvement. The company is simultaneously working to lower costs through its 3-point profitability improvement plan. While sales volume in the Housing segment decreased, increased infrastructure product revenue due to acquisition effects also served as a buffer.

Lowlights

Adjusted Earnings Miss: Adjusted EPS of $0.45 fell below the estimated $0.50. On a GAAP basis, it was $0.05.

Housing Segment Slowdown: Operating income for the Housing & Infrastructure segment was $128 million, a decrease of $23 million compared to the same period last year.

Sharp Decline from Previous Quarter: Adjusted EBITDA was $408 million, a $271 million decrease from $679 million in Q2.

The average selling price in the Performance Materials segment fell by 8% compared to the previous quarter, reversing the price increases implemented in Q2. In Europe, rising energy costs and increased imports from Asia weighed on results. Interest expenses also increased to $52 million from $41 million in the same period last year.

What Management Said

CEO Jean Marc Gilson explained that the slowdown in North American residential construction, customer destocking, and falling prices in Performance Materials weighed on Q3 results. The company responded by integrating its European chlorovinyl business with North American assets and closing its PVC plant in Cologne, Germany, to reduce costs.

Market Reaction and Future Key Points

Revenue exceeding expectations led to an increase in after-hours trading. However, adjusted EPS fell short of expectations.

It remains to be seen whether the signs of a rebound in performance material prices seen in the fourth quarter will translate into actual results.

It is necessary to monitor when the cost-saving effects of European restructuring, such as the closure of the PVC plant in Cologne, Germany, will manifest in the figures.

A key factor will be whether sluggish sales in the housing and infrastructure sectors continue into the fourth quarter due to reduced home-buying capacity caused by high interest rates.

We must monitor whether the goal of improving 2026 EBITDA by $600 million through the three major profitability improvement plans is achieved.

Earnings Call Summary

Once the earnings call concludes and the company script is released, the key takeaways from the call will be added here. We will select and summarize only the most important points, such as how management explained performance and outlook, and what analysts asked.