Westlake Corporation manufactures and supplies petrochemicals, polymers, and building products worldwide. It operates through two segments, Performance and Essential Materials; and Housing and Infrastructure Products. The Performance and Essential Materials segment manufactures and markets polyethylene, styrene monomer, ethylene co-products, PVC, VCM, ethylene dichloride chlor-alkali, and chlorinated derivative products. The Housing and Infrastructure Products segment manufactures and sells residential PVC siding; PVC trim and moldings; roofing applications; decorative stone; windows; PVC decking; PVC films for various inflatables, wallcovering, tape, and roofing applications; polymer composite roof tiles; PVC pipe and fittings; PVC compounds; and various consumer and commercial products such as landscape edging; industrial, home and office matting; marine dock edging; and masonry joint controls. The company offers its products to a range of customers, including chemical processors, plastics fabricators, small construction contractors, municipalities, and supply warehouses for use in various consumer and industrial markets, including residential construction, flexible and rigid packaging, automotive products, healthcare products, water treatment, and coatings, as well as other durable and non-durable goods. The company was formerly known as Westlake Chemical Corporation and changed its name to Westlake Corporation in February 2022. The company was founded in 1986 and is headquartered in Houston, Texas. Westlake Corporation is a subsidiary of TTWF LP.

Westlake Corporation

Revenue

EBIT

EBITDA

CapEx

Net Interest Income

Assets

Adjusted EBITDA

Gross Profit

Adjusted Net Income

Net Revenue

Net Income

Average Assets

Adjusted EBIT

Adjusted Revenue

Adjusted EBT

Adjusted Funds From Operations

Housing and Infrastructure Products Income from Operations

Housing and Infrastructure Products Income from Operations % Chg.

Housing and Infrastructure Products Income from Operations Common Size

Performance and Essential Materials Income from Operations

Performance and Essential Materials Income from Operations % Chg.

Performance and Essential Materials Income from Operations Common Size

Corporate Income from Operations

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Corporate Income from Operations Common Size

Total EBIT

Total EBIT Common Size

Total EBIT % Chg.

Housing and Infrastructure Products Average Sales Price Change

Housing and Infrastructure Products Average Sales Price Change % Chg.

Performance and Essential Materials Average Sales Price Change

Performance and Essential Materials Average Sales Price Change % Chg.

Company Average Sales Price Change

Company Average Sales Price Change % Chg.

Housing and Infrastructure Products Volume Change

Housing and Infrastructure Products Volume Change % Chg.

Performance and Essential Materials Volume Change

Performance and Essential Materials Volume Change % Chg.

Company Average Volume Change

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Key Performance Indicators

United States Revenue

United States Revenue % Chg.

United States Revenue Common Size

Canada Revenue

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Canada Revenue Common Size

Germany Revenue

Germany Revenue % Chg.

Germany Revenue Common Size

Mexico Revenue

Mexico Revenue % Chg.

Mexico Revenue Common Size

China Revenue

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China Revenue Common Size

Italy Revenue

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Brazil Revenue

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France Revenue

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Other Geographic Revenue (Post-FY2022)

Other Geographic Revenue (Post-FY2022) % Chg.

Other Geographic Revenue (Post-FY2022) Common Size

Taiwan Revenue

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Other Geographic Revenue (Pre-FY2023)

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Total Revenue by Geography

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Revenue by Geography

Performance Materials Revenue

Performance Materials Revenue % Chg.

Performance Materials Revenue Common Size

Essential Materials Revenue

Essential Materials Revenue % Chg.

Essential Materials Revenue Common Size

Total Performance and Essential Materials Revenue

Total Performance and Essential Materials Revenue % Chg.

Total Performance and Essential Materials Revenue Common Size

Housing Products Revenue

Housing Products Revenue % Chg.

Housing Products Revenue Common Size

Infrastructure Products Revenue

Infrastructure Products Revenue % Chg.

Infrastructure Products Revenue Common Size

Total Housing and Infrastructure Products Revenue

Total Housing and Infrastructure Products Revenue % Chg.

Total Housing and Infrastructure Products Revenue Common Size

Total Revenue

Total Revenue Common Size

Total Revenue % Chg.

Revenue	Sep '25	Jun '25
Performance Materials Revenue	1,010	1,022
Essential Materials Revenue	737	771
Total Performance and Essential Materials Revenue	1,747	1,793
Housing Products Revenue	928	980
Infrastructure Products Revenue	163	180
Total Housing and Infrastructure Products Revenue	1,091	1,160
Total Revenue	2,838	2,953

EBIT	Sep '25	Jun '25
Housing and Infrastructure Products Income from Operations	151	222
Performance and Essential Materials Income from Operations	-902	-318
Corporate Income from Operations	-15	-13
Total EBIT	-766	-109

Key Performance Indicators	Sep '25	Jun '25
Housing and Infrastructure Products Average Sales Price Change	-1%	-1%
Performance and Essential Materials Average Sales Price Change	-7%	-2%
Company Average Sales Price Change	-5%	-1%
Housing and Infrastructure Products Volume Change	—	-2%
Performance and Essential Materials Volume Change	-6%	-9%
Company Average Volume Change	-4%	-7%