Achieve Sustainability Goals with Plastic Looking for new ways to lower environmental impact and improve sustainability? Sustainability for a Better Tomorrow

Reporting and transparency in each of four sustainability cornerstones: People, Products, Planet and Performance. Home // Sustainability // Sustainability at Avient // Reporting Sustainability Accounting Standards Board (SASB) Chemicals Standard Index

Sustainability Sustainability at Avient Message from VP Sustainability

Sustainable and Versatile Sustainable Engineered Polymers Recycled content TPEs for enhanced sustainability

September 20, 2023 (NYSE: AVNT)Avient Sustainability Day AGENDA WELCOME Bob Patterson INTRODUCTION Jamie Beggs SUSTAINABILITY STRATEGY Walter Ripple SUSTAINABLE SOLUTIONS Michael Garratt, Chris Pederson, Woon Keat Moh SUMMARY Jamie Beggs WRAP UP AND Q+A Bob Patterson Avient Corporation 2 Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Avient Corporation 18 OUR SUSTAINABILITY PILLARS People are essential to Avient’s sustainability strategy, and we invest accordingly in our associates and within our communities. They’re willing to change their shopping habits to reduce environmental impact and they care about sustainability and recycling.” 66% Prefer to buy sustainable products 44% Of consumers are purpose-driven, an all-time high Product-Driven 4% Brand-Driven 15% Value-Driven 37% Purpose-Driven 44% Drivers of Purchasing Decisions Avient Corporation 25 SUSTAINABLY-MARKETED PRODUCTS GROW 2X FASTER 100 110 120 130 140 150 160 2017 2018 2019 2020 2021 2022 Sustainably-Marketed Products vs.

Home // Sustainability // Sustainability at Avient // Products // Markets Sustainability in Healthcare Learn more about our healthcare sustainable solutions.

Home // Sustainability // Sustainability at Avient // CEO Letter Leading the Way in Sustainable Materials Science and Stewardship Our team has a unified purpose and alignment on the important role we play in creating a more sustainable future—which is captured in Avient’s four cornerstones of sustainability (People, Products, Planet, and Performance).

SUSTAINABILITY REPORT 2021 SUSTAINABILITY FOR A BETTER TOMORROW Interactive PDF Click on a listing below to be taken directly to that page. Sustainable product development and other commitments are outlined in Avient’s 2030 Sustainability Goals. Innovating a Sustainable Future As a global leader in innovative sustainable solutions, we are dedicated to collaborating with our customers to help them achieve their sustainability goals.

At Avient, we recognize that sustainable business practices can positively impact the issue of climate change. Sustainability Engineer Supporting technology breakthroughs by meeting our customer’s sustainable solution needs.

Home // Sustainability // Sustainability at Avient // Planet // Water Stewardship & Biodiversity Avient recognizes the indispensable role water plays in sustaining life and promoting well-being. Biodiversity is a cornerstone of ecosystem health and plays a fundamental role in sustaining life on Earth.