Advanced Drainage Systems to Announce First Quarter Fiscal Year 2024 Results on August 3, 2023

Advanced Drainage Systems, Inc. (NYSE: WMS) ("ADS" or the "Company"), a leading manufacturer of stormwater and onsite septic wastewater management products and solutions for commercial, residential, infrastructure and agricultural applications, today announced that it will release its unaudited financial results for the fiscal first quarter ended June 30, 2023, before the market opens on August 3, 2023.

President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill will host a conference call and webcast on August 3, 2023, at 10:00 a.m. ET to discuss the results.

Webcast: Interested investors and other parties can listen to a webcast of the live conference call by logging in through the Investor Relations section of the Company's website at https://investors.ads-pipe.com/events-and-presentations. An online replay will be available on the same website following the call.

Teleconference: To participate in the live teleconference, participants may register at https://conferencingportals.com/event/gnGtWRav using Conference ID: 45786. After registering, participants will receive a confirmation through email, including dial-in details and unique conference call codes for entry. Registration is open through the live call. To ensure participants are connected for the full call, please register at least 10 minutes before the start of the call.

About the Company

Advanced Drainage Systems is a leading manufacturer of innovative stormwater and onsite septic wastewater solutions that manages the world's most precious resource: water. ADS and its subsidiary, Infiltrator Water Technologies, provide superior stormwater drainage and onsite septic wastewater products used in a wide variety of markets and applications including commercial, residential, infrastructure and agriculture, while delivering unparalleled customer service. ADS manages the industry's largest company-owned fleet, an expansive sales team, and a vast manufacturing network of approximately 70 manufacturing plants and 40 distribution centers. The company is one of the largest plastic recycling companies in North America, ensuring over half a billion pounds of plastic is kept out of landfills every year. Founded in 1966, ADS' water management solutions are designed to last for decades. To learn more, visit the Company's website at www.adspipe.com.

Forward Looking Statements

Certain statements in this press release may be deemed to be forward-looking statements. These statements are not historical facts but rather are based on the Company's current expectations, estimates and projections regarding the Company's business, operations and other factors relating thereto. Words such as "may," "will," "could," "would," "should," "anticipate," "predict," "potential," "continue," "expects," "intends," "plans," "projects," "believes," "estimates," "confident" and similar expressions are used to identify these forward-looking statements. Factors that could cause actual results to differ from those reflected in forward-looking statements relating to our operations and business include: fluctuations in the price and availability of resins and other raw materials and our ability to pass any increased costs of raw materials on to our customers in a timely manner; the risks related to the COVID-19 pandemic or other pandemics in the future; disruption or volatility in general business and economic conditions in the markets in which we operate; cyclicality and seasonality of the non-residential and residential construction markets and infrastructure spending; the risks of increasing competition in our existing and future markets; uncertainties surrounding the integration and realization of anticipated benefits of; the effect of weather or seasonality; the loss of any of our significant customers; the risks of doing business internationally; the risks of conducting a portion of our operations through joint ventures; our ability to expand into new geographic or product markets; the risk associated with manufacturing processes; the effect of global climate change; cybersecurity risks; our ability to manage our supply purchasing and customer credit policies; our ability to control labor costs and to attract, train and retain highly-qualified employees and key personnel; our ability to protect our intellectual property rights; changes in laws and regulations, including environmental laws and regulations; the risks associated with our current levels of indebtedness, including borrowings under our existing credit agreement and outstanding indebtedness under our existing senior notes; and other risks and uncertainties described in the Company's filings with the SEC. New risks and uncertainties emerge from time to time and it is not possible for the Company to predict all risks and uncertainties that could have an impact on the forward-looking statements contained in this press release. In light of the significant uncertainties inherent in the forward-looking information included herein, the inclusion of such information should not be regarded as a representation by the Company or any other person that the Company's expectations, objectives or plans will be achieved in the timeframe anticipated or at all. Investors are cautioned not to place undue reliance on the Company's forward-looking statements and the Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.