<h2><p style="color:white">DuPont Performance Building Solutions & Corian® Design Achieve 93% Reduction in GHG Emissions</h2>

WILMINGTON, Del., September 16, 2025 —In 2024, the DuPont Performance Building Solutions and Corian® Design business achieved a transformative 93% reduction in business Scope 1 and Scope 2 Greenhouse Gas (GHG) emissions relative to a 2019 baseline year, highlighted in their 2025 Sustainability Progress Report announced today. The report highlights progress to date toward the business’s aspiration to advance sustainability in the built environment by partnering with customers and the industry to drive down carbon emissions, increase circularity and use chemistries that are safe and sustainable by design. 

“The entire team at DuPont is extremely proud of our 93% emissions reduction and the contribution it has made toward advancing our company’s net-zero GHG emissions commitment,” said Tim Lacey, global vice president and general manager, DuPont Performance Building Solutions & Corian® Design. “As we navigate an at times uncertain business environment, what remains clear is that our customers and stakeholders consistently expect strong sustainability performance. As the built environment faces continued pressure to decarbonize, we will continue to deliver low embodied carbon solutions that empower our customers to reach their sustainability goals”.  

Recent sustainability accomplishments highlighted in the report include:

• Achieving reductions in the embodied carbon of Tyvek® HomeWrap®, Froth-Pak™ Foam Insulation and Sealant, and Styrofoam™ Brand XPS insulation .
• Launching Great Stuff™ Wide Spray Foam Sealant and Tyvek® Protec™ Peel and Stick Underlayment, both of which increase home weatherization and durability to reduce energy costs  
• Publishing an Environmental Product Declaration (EPD) for the ArmorWall™ system, making it the first MgO insulated sheathing system with an EPD available   
• Expanding our EPD portfolio to include Great Stuff Pro™ Insulating Foam Sealants and Tyvek® Building Wrap
• Increasing the amount of scrap received in the Corian® Solid Surface fabricator scrap take back program, receiving 23,000 pounds of waste in 2024 in comparison to the 14,000 pounds received in 2023  
• Earning multiple sustainable innovation awards, including a Heroes of Chemistry Award from the American Chemical Society for low-GWP Styrofoam™ Brand XPS Insulation, and an R&D 100 Award and Gold Edison Award for Tyvek® Trifecta™ A2 Fire-Rated Breather Membrane  

For more details or to read the DuPont Performance Building Solutions and Corian® Design 2025 Sustainability Progress Report, click here.

About DuPont Performance Building Solutions and Corian® Design Grounded in science, DuPont Performance Building Solutions and Corian® Design are working alongside those who also seek a sustainable tomorrow to help people thrive at home and in their communities for years to come. By developing solutions for managing the air, water and thermal performance of buildings and residences, we help our customers build energy-efficient, resilient, and durable shelters in a rapidly changing world. Backed by unmatched industry insight, building knowledge, and technical support, as well as world-class brands such as Styrofoam™ Brand, Tyvek®, and Great Stuff™, our products and services portfolio enables customers to focus on what they do best, no matter where and how they choose to build.  

About DuPont

DuPont (NYSE: DD) is a global innovation leader with technology-based materials and solutions that help transform industries and everyday life. Our employees apply diverse science and expertise to help customers advance their best ideas and deliver essential innovations in key markets including electronics, transportation, construction, water, healthcare and worker safety. More information about the company, its businesses and solutions can be found at www.dupont.com. Investors can access information included on the Investor Relations section of the website at investors.dupont.com.  

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DuPont™, the DuPont Oval Logo, and all trademarks and service marks denoted with ™, ℠ or ® are owned by affiliates of DuPont de Nemours, Inc. unless otherwise noted.

7/16/24

For further information contact:

Hailey Schmidt
Hailey.schmidt@dupont.com