Westlake Growth & Investment Strategy

Portfolio Overview Business Westlake Royal Building Products™ Leading Brands & Product Examples ROYAL Siding DAVINCI Roofscapes T ZURI PREMIUM DECKING NEWPOINT. Unified STEEL STONE COATED ROOFING USTile® KINDRED™ OUTDOORS + SURROUNDS CONCRETE ROOF TILE Clay Roofing Products ROYAL Trim & Mouldings ELDORADO STONE Westlake Dimex Westlake Pipe & Fittings Serta Certa Lok Certa-Lok Westlake Global Compounds 44 57 • • • • • · • • • Demand Drivers/Major-End-Markets Over a decade of underbuilding in U.S. residential housing Demographics and work flexibility drive housing growth Repair and remodel spend Residential housing growth and outdoor living Demographics and work flexibility drive housing growth Growing consumer commitment to made in the USA green sustainable products Residential housing growth PVC replacing iron and concrete pipe for water transmission Aging infrastructure & U.S. infrastructure bill Electrification trends U.S. Infrastructure bill spend on power grid & broadband Housing, construction, and electrification trends Medical equipment demand growth Sustainable automotive interiors • CLIC Westlake

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