Azek IPO Presentation Deck

Capital Structure Summary Disciplined approach to capital deployment; LTM 3/31/20 RONTA of 34% ($ in millions) CAPITALIZATION SUMMARY Cash and Cash Equivalents Revolving Credit Facility First Lien Term Loan Capital and Finance Leases Total Secured Debt Senior Unsecured Notes Total Debt Net Debt LTM 3/31 Adj. EBITDA Credit Statistics Total Debt/LTM Adj. EBITDA Net Debt/LTM Adj. EBITDA Pre-IPO Pro Forma(¹) 3/31/2020 $99 114 804 12 $931 350 $195 IPO Adj. ($198) (350) $1,281 ($548) $1,181 ($554) 6.6x 6.1x $6 (198) Post-IPO Pro Forma 3/31/2020 $105 114 606 12 $732 $732 $627 $195 3.8x 3.2x Company financials Note Refer to Appendix for reconciliations for return on net tongibile ossets (ROWTA), tat detand net dent ASSUMPTIONS AZEK COMPANY $625 million primary offering Net proceeds to repay Senior Notes and other debt Invest to support the business Debt repayment Acquisitions THE CAPITAL ALLOCATION PRIORITIES Cives pro forme effect to the issance of $350 milion of new Senior Unsecured Notes on May 12, 2020, the redemption of 5315 milion of Senior Unsecured Notes plus accrued and anpaid interest the repoyment of $25 milion under our Revolving Credit Facility, and a $4.6 million increase in cash Includes present vstve of capital lease and finance lease payments. 35

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