Azek Investor Presentation Deck

ATTRACTIVE MARGIN PROFILE WITH SIGNIFICANT UPSIDE MULTIPLE LEVERS TO DRIVE MARGIN EXPANSION ADJUSTED EBITDA MARGIN EXPANSION EQUATION Price / Mix KEY DRIVERS VOLUME GROWTH AIMS Recycle Expansion SG&A Leverage POLICY DEPLOYMENT The process of defining, managing, and cascading The AZEK Company's strategy to ensure individual goals and actions are aligned to the company's objectives. THE AZEK COMPANY AZEK INTEGRATED MANAGEMENT SYSTEM DIGITAL Utilization of software, automation, and digital tools to minimize mistakes, increase efficiency, and improving customer experience. Long-Term EBITDA Margin SALES & OPERATIONS PLANNING A recurring, integrated, business-planning process that balances our sales and production forecasts to ensure we meet our service and financial commitments in the most efficient manner. (AIMS) AIMS +500 bps Objective (vs. fiscal year end 2019) LEAN SIX SIGMA A combination of methodologies that focuses on eliminating waste (Lean) and reducing variation (Six Sigma) by using data-driven decision making and root-cause problem solving. STAGE GATE A project management process to efficiently launch new products that utilizes a cross- functional team to make key decisions at various stages of development. 2020+ RECYCLE EXPANSION Enable recycling capability Cost reduce formulations 2018 In-House / Vertical Integration 2019+ Source: Management Estimates 13

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