What caused Westlake Chemical's PEM business operating income to swing by $503 million in Q2 2026?

The $503 million swing in operating income for Westlake Chemical's Performance and Essential Materials (PEM) business in Q2 2026 was driven by a 14% rise in average selling prices, lower energy costs, and supply disruptions.

What is Westlake Chemical's three-pillar profitability improvement plan targeting?

Westlake Chemical's three-pillar profitability improvement plan targets $600 million in operating income benefits.

Westlake Chemical PEM Operating Income Swings $503 Million as Average Prices Rise 14%

Aug 5, 2026

Westlake Chemical's PEM division swung operating income by $503 million to $185 million in Q2 2026, driven by 14% price hikes and lower energy costs. It targets $600 million in operating income benefits via a profitability plan.

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