Microsoft Word - Avient Announces Registration Details for December 4th Investor Day _for Microsite 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for December 4th Investor Day CLEVELAND – 2024年11月4日 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, will host an Investor Day for the investment community on 2024年12月4日（星期三）, beginning at 10:00 a.m. A webcast of the event can be also viewed live at www.avient.com/investors. 2 About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world. 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®.

Materials that add weight communicate importance to your consumers. Catheter Materials & Medical Tubing Surface Protection

Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on 2022年9月1日 (the “Acquisition Date”) and sold the Distribution segment on 2022年11月1日. To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on 2021年1月1日 and reflect Distribution as a discontinued operation. Patrick van der Veen, Operations Manager “When we buy new materials at KLM Cargo, we always look at total cost of ownership...

List of material topics   GRI 301: Materials About Avient—What We Do: Material Science Page 13

Proprietary light barrier technology that protects your contents from the harmful effects of UV rays. Browse and download our literature to learn more about Avient solutions and services. Barrier and scavenger additives play an important role in protecting and preserving PET packaged goods with a longer shelf-life.

Discover materials from Avient that can enable faster and more reliable communication, minimize signal loss and maximize connectivity, protect electronics from static build up and radio frequency interference. Discover materials from Avient that can enable faster and more reliable communication, minimize signal loss and maximize connectivity, protect electronics from static build up and radio frequency interference (Chinese language version) Avient Design

Versaflex™ PF Tack Layer For Surface Protective Films Avient Design Explore overmolding, material choices, and design tips to overcome challenges and satisfy customers.

Browse and download our literature to learn more about Avient solutions and services. Radiation Protection Aprons CORE™ Vinyl Plastisols provided a plastisol solution to enhance performance and processing for radiation protection aprons

Surface Protection Our solutions span a wide range of materials primed for team sports, equipment, and protective gear. Our solutions span a wide range of materials primed for team sports, equipment, and protective gear.

Dairy Contents Protection With Superior Whiteness & Low Inorganic Content Added protection for dairy packaging. Learn more about Avient's rPET portfolio of sustainable solutions.