Testimonial Video on Polymer Processing Aids for Sustainability rPET Solutions Learn more about Avient's rPET portfolio of sustainable solutions.

Testimonial Video on Polymer Processing Aids for Sustainability rPET Solutions Learn more about Avient's rPET portfolio of sustainable solutions.

Testimonial Video on Polymer Processing Aids for Sustainability rPET Solutions Learn more about Avient's rPET portfolio of sustainable solutions.

September 20, 2023 (NYSE: AVNT)Avient Sustainability Day AGENDA WELCOME INTRODUCTION SUSTAINABILITY STRATEGY Walter Ripple SUSTAINABLE SOLUTIONS Michael Garratt, Chris Pederson, Woon Keat Moh SUMMARY WRAP UP AND Q+A 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. EBITDA Margins (1) 5.4% 11.5% 16.0% 2006 2018 2023E • Delivered on organic growth combined with transformative and bolt-on acquisitions • Divested commodity businesses tied to more cyclical end markets • Expanded presence in high growth areas of sustainable solutions, composites, healthcare applications and emerging regions LONG-TERM REVENUE GROWTH DRIVERS Avient Corporation 14 Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other (GDP growth) 0–2% Avient 6% 60%+ Key Growth Drivers Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap (GDP Growth) HISTORICAL GROWTH DRIVER PERFORMANCE Avient Corporation 15 Composites $51 $84 $212 $668 $108 $113 $231 $293 Asia/Emerging Regions $265 $358 $726 $830 12% $340 $455 $790 $1,175 Sustainable Solutions (Sales $ in millions) Avient Corporation 16 $405M $455M $550M $790M $915M 2016 2017 2018 2019 2020 2021 2022 Revenue From Sustainable Solutions 2016-2022 ($ in millions) 11% Organic CAGR $1,175M Eco-Conscious Recycle Solutions VOC Reduction Sustainable Infrastructure Reduced Energy Use Bio-polymers Solutions to increase recycled content and minimize plastic waste Solutions to reduce weight and energy consumption Solutions to preserve and protect natural resources & human life SUSTAINABILITY: FOCUS TODAY Sustainability Strategy Walter Ripple Vice President, Sustainability Avient Corporation 17 OUR SUSTAINABILITY COMMITMENT As the world’s premier provider of specialized and sustainable materials, services, and solutions, Avient is committed to meeting the needs of the present without compromising future generations’ ability to meet their needs. Avient has brought multiple solutions to that help us achieve this aim.”

Homepage // News Center // As Exclusive Sponsor for New Exhibition Area at Chinaplas 2017, PolyOne Showcases Innovative Polymer Solutions High Temperature Polymers Solutions: enable manufacturers to add custom colors and functional solutions to high-temperature polymers such as PEEK, PEI, PSU and fluoropolymers. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

NYSE: AVNT), a leading global provider of sustainable and specialized material solutions today announced that its Board of Directors has elected More broadly I'm excited to join a team that emphasizes sustainable solutions, while taking care of its employees and customers as a provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

FRIEDRICHSHAFEN, Germany – October 9, 2023 – Avient Corporation, a leading provider of specialized and sustainable material solutions and services, announced its latest offering, Stat-Tech™ TPE Static Dissipative & Electrically Conductive Thermoplastic Elastomers (TPEs), which will be launched at the upcoming Fakuma International Trade Fair for Plastics Processing. Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility    

SINGAPORE – October 12, 2023 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced its ColorNow™ digital service is offering immediate color matching and an enhanced color design process for plastic manufacturers. Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility    

Specialty solutions on display from PolyOne’s expansive portfolio will include: PolyOne Corporation, with 2013 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

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