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 – November 4, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, will host an Investor Day for the investment community on Wednesday, December 4, 2024, 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®.

PolyOne Ultraviolet Light Barrier Technology Advances Packaged Food and Beverage Protection in China Avient Announces Second Quarter 2025 Results... Avient Announces Quarterly Dividend...

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.

UV additives that deliver product protection for UV sensitive nutrients and colorants   Catheter Materials & Medical Tubing Surface Protection

Avient Wire & Cable Industry Bulletin Surface Protection Avient Design

Avient Wire & Cable Industry Bulletin Surface Protection Avient Design

Avient Wire & Cable Industry Bulletin Surface Protection Avient Design

AVIENT RESPONSIBLE CARE POLICY Avient Corporation conducts its operations in a manner that is protective of the environment, and the health, safety and security of associates, customers, and all our stakeholders, including the communities in which we operate. Bob Patterson Chairman, President, and CEO August 1, 2020 ENVIRONMENTAL POLICY Avient Corporation conducts its operations in an environmentally responsible manner that is protective of the communities in which we operate. Sustainable and ethical management of our products protects our employees, customers and communities in which we operate, while maintaining customer confidence in Avient’s materials.

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Our high-performance fibers specifically designed for wire harness applications protect against thermal degradation, resist harsh fluids, and add insulation. Protection from thermal degradation Browse and download our literature to learn more about Avient solutions and services.