Azek IPO Presentation Deck

A Unique, Long-Term Growth Story Sustainability is at Our Core Resilient, Growing Markets with Material Conversion Branded Category Leader in Well-Structured Markets Multiple Levers to Drive Growth Attractive Margins with Significant Upside Execution-Focused Management Team AZEK COMPANY THE Category leader in sustainable building products focused on recycling plastic waste, preserving natural resources and utilizing energy-efficient manufacturing processes Large, high growth markets benefitting from long-term material conversion, favorable secular trends in Outdoor Living and stable R&R demand through economic cycles Well known in the industry as a leader in innovation generally holding #1 or #2 market positions in core product categories Driving above-market growth and accelerating conversion through new products, leveraging downstream-focused salesforce and increased retail penetration Customer value proposition and vertically integrated, U.S. manufacturing base drives attractive margins with significant upside from recent investments in recycling and continuous improvement initiatives (including AIMS) (¹) AZER grated Management System (AS) Diverse management team with significant public company and industry experience executing goal-orientated strategic roadmap

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