Advanced Drainage Systems Issues Fiscal 2024 Sustainability Report

Advanced Drainage Systems, Inc. (ADS) (NYSE: WMS), a leading provider of innovative water management solutions, issued its Fiscal 2024 Sustainability Report today, demonstrating the company’s continued commitment to environmental stewardship.

“Water is the world’s most precious resource,” said Scott Barbour, President and Chief Executive Officer. “As an industry leader, Advanced Drainage Systems is committed to protecting and managing water by providing sustainable water management solutions that safeguard the environment and build resiliency in communities.”

A few highlights from the Fiscal 2024 report include:

Recycling:

• Purchased 540 million pounds of recycled material, making ADS one of North America’s largest plastic recyclers, and
• Continued construction on Engineering and Technology Center in Hilliard, OH.

Environmental Impact Reduction:

• Submitted targets to The Science Based Targets Initiative (SBTi) for approval, including a 50% reduction in Scope 1 and Scope 2 absolute greenhouse gas (GHG) emissions and a 30% reduction in Scope 3 GHG emissions from the Fiscal 2022 baseline.

Accountability:

• Sought limited assurance on Fiscal 2024 Scope 1 and Scope 2 GHG emissions,
• Implemented a supplier code of conduct, and
• Signed the United Nations Global Compact.

Social Purpose:

• Contributed $2 million to charitable organizations, including $1 million through the ADS Foundation.

Operational Excellence:

• Improved Total Recordable Incident Rate (TRIR), a company-wide safety performance metric, by 19% compared to prior year.

“As one of the largest plastic recyclers in North America, we remove over half a billion pounds of recycled plastic from the waste stream each year, incorporating it into products designed to last decades,” continued Barbour. “Further, we are continually working to increase our usage of recycled material, with the goal of reaching one billion pounds purchased annually by Fiscal 2032, nearly doubling the amount of recycled plastic we purchase today. Not only is using recycled plastic an economically viable solution, but it also lowers our lower carbon footprint.”

ADS’ Fiscal 2024 Sustainability Report is available for download at www.adspipe.com/sustainability.

About Advanced Drainage Systems

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.

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Investor Relations Contact: Michael Higgins VP, Corporate Strategy & Investor Relations Advanced Drainage Systems, Inc. [e-mail] Phone: [phone]