Azek IPO Presentation Deck

A Branded Category Leader DECKING 2019 Remodeling Brand Use Report 5.8 Trox 5.8 AZEK 5.1 Haberlech Imbar Company A Company Company C 5.5 TRIM 2019 Remodeling Brand Use Report 5.3 5.0 5.3 C Company D Company E Company B Company F AZEK Others Others Decking Wood $3.18 Trim $2.0B Wood AZEK THE AZEK COMPANY PVC/ Composite (1) #2 manufacturer in PVC/Composite Decking -34% share in Pro channel Non-Wood #1 manufacturer in PVC Trim -36% share in Pro channel 2 Significant share in decking and exteriors markets - both are transitioning away from traditional wood materials Source Management estimates Henley Wood and The Famouth Group 2019 Remodeling Brond Use Reports Note: Quality Ratings are based on a 7-point scale, with representing the highest brand quality data is based on 2018 nominal market valve Ties market includes moulding but excludes specialty exteriors 1 includes 4% of tator market weve attributed to other non-wood materials z Pro channel shore according to management estimates and includes only PVC/composite decking and PVC tropicale 19

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