Azek Investor Presentation Deck

OUR CORE MARKETS ARE POISED FOR SUSTAINABLE GROWTH THE BROADER OUTDOOR LIVING CATEGORY REPRESENTS A ~$20 BILLION OPPORTUNITY Outdoor Living Spaces Rank #1 in Popularity Amongst Architects LARGE INSTALL BASE NEEDING REPLACEMENT ~56mm installed decks in the U.S. and nearly half of them are beyond their useful life. THE AZEK. COMPANY Wood Conversion to AZEK Material Types Fuels Long-term Market Growth ~$9B CORE OUTDOOR LIVING DECK, RAIL & EXTERIOR TRIM EXPECTED ~11% CAGR (2020-2023) $4.1B $2.6B $2.3B $11.0B + ~$11B ADJ¹ HOME EXTERIOR & OUTDOOR LIVING ADJACENCIES LARGE, HIGH-GROWTH MARKETS Decking Railing Exterior Trim Home Exterior & Outdoor Living Adjacencies e.g., home exterior siding, outdoor furniture, cabinetry and lighting Sources: American Institute of Architects (AIA), Principia, North America Deck & Rail Association (NADRA). See APPENDIX page 21 for details. ¹ Total U.S. market sales of wood and wood-look siding, pavers, outdoor furniture and outdoor lighting were approximately $11 billion in 2018 according to Freedonia. 7

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