Our performance was supported by strong demand for our Dyneema® fiber technology used in personal protection applications and raw material deflation. A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations immediately following the conference call and will be accessible for one year. https://www.avient.com/investors https://edge.media-server.com/mmc/p/izyekkyu https://www.avient.com/investors https://register.vevent.com/register/BI3c8fe685f32648e0abfb1ac2c77a59d9 https://www.avient.com/investors/events-presentations 3 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Examples include: • Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

ColorMatrix™ Capture™ Oxygen Scavenger is an emerging technology for the monolayer PET packaging market. This emerging technology was developed in 2021 and is undergoing testing with major brand owners.

ColorMatrix™ Capture™ Oxygen Scavenger is an emerging technology for the monolayer PET packaging market. This emerging technology was developed in 2021 and is undergoing testing with major brand owners.

ColorMatrix™ Capture™ Oxygen Scavenger is an emerging technology for the monolayer PET packaging market. This emerging technology was developed in 2021 and is undergoing testing with major brand owners.

Avient’s strategic approach is intersecting high growth markets and secular trends—including the move to sustainability solutions, addressing a tightening regulatory environment, and enabling energy infrastructure—with technologies that create product platforms of scale. Avient’s diverse technology portfolio and design expertise enables our customers to meet their business and sustainability goals through materials science.

ColorMatrix™ Capture™ Oxygen Scavenger is an emerging technology for the monolayer PET packaging market. This emerging technology was developed in 2021 and is undergoing testing with major brand owners.

By intersecting our broad portfolio of technologies with the product roadmaps of our customers, we help create differentiated and high-performance products that make the world better and more sustainable. By intersecting our broad portfolio of technologies with the product roadmaps of our customers, we create differentiated and high-performance products that help make the world better and more sustainable.

Dyneema® Changes the Game of Fabric Engineering Yet Again with New Composite Technology Dyneema® to Exhibit at the Functional Fabric Fair and Reveal Groundbreaking New Technology

Avient’s Two Award Finalists for Sustainability Technologies in Packaging Showcased at PRSE 2024 Avient Showcases Award Finalist Entries at PRSE 2024 with Sustainable Technologies for Packaging   To download a high-resolution image, please

Plastpol 2024 to Include Sustainable Technologies From Avient Avient Showcases Sustainable Technologies at Plastpol 2024 To download a high-resolution image, please click here: FOR MEDIA USE ONLY  KIEL