The AZEK Company Announces $50 Million Accelerated Share Repurchase Program Seite 1

The AZEK Company Inc. (NYSE: AZEK) (“AZEK” or the “Company”), the industry-leading manufacturer of beautiful, low-maintenance and environmentally sustainable outdoor living products, including
TimberTech decking and railing, Versatex and AZEK Trim and StruXure pergolas, today announced it has entered into an accelerated share repurchase agreement (“ASR”) with JPMorgan Chase Bank,
National Association (“JPMorgan”) to repurchase $50 million of the Company’s Class A common stock.

The Company is funding the share repurchases under the ASR with cash on hand. Under the terms of the ASR, the Company will receive an initial delivery of approximately 1.0 million shares of Class A
common stock from JPMorgan, with the final settlement scheduled to occur no later than November, 2024. The final number of shares to be repurchased under the ASR will be based generally on the
average of AZEK’s daily volume-weighted average price per share of Class A common stock during a repurchase period, less a discount and subject to adjustments pursuant to the terms and conditions
of the ASR.