Azek IPO Presentation Deck

68% Homeowners Investing More in Outdoor Living Homeowners are adding on decks and renovating patios to create entertaining and living spaces that add more functional square footage; the broader Outdoor Living category represents "$18 billion opportunity OUTDOOR LIVING POPULARITY IS GROWING (2) SELECTED OUTDOOR LIVING SPACES (2019 % of respondents reporting popularity increasing, net) Decks #1 Outdoor Living Space 57% #2 Blended Indoor/ Outdoor Space 30% #3 Exterior / Security Lighting COVID-19 stay-at-home orders may provide a catalyst for increased investment in Outdoor Living spaces Pergolas THE AZEK COMPANY Outdoor Kitchens Indoor/Outdoor Spaces -10% of exterior remodeling projects are financed through home equity lines of credit Composite products are benefitting from growth in the Outdoor Living market given their high durability and low maintenance; our broad portfolio allows us to expand our market opportunity 1.Teta U.S. market sales of wood and wood look siding pavers, outdoor furniture and outdoor lighting were $10.9 billion in 2018 according to Freedonia, and when combined with the total U.S. market sales of deck, rail and trim, according to Principio, in 2013, totaled $18.1 bilion in 2018 2 AA 02 2019 Home Design Trends Survey. 3. Census Bureau Deta-2017 American Housing Survey Exterior remodeling includes porches, decks, pocios and terraces 18

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