CLEVELAND – April 30, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today reported its first quarter results for 2021. This is a direct result of the investments we have made to transform our portfolio to one that is more specialized and focused on high growth end markets with sustainable solutions,” said Robert M. We specialize in formulating sustainable solutions to meet our customers’ toughest challenges, and I am proud of how well our team has delivered throughout the COVID- 19 pandemic and recent supply chain disruptions.”

MARKETS & APPLICATIONS • Thermoformed, APET food packaging, including: - Hot steam sterilization - Hot fill - Microwave use • Polyester • Sheet extrusion & thermoforming KEY CHARACTERISTICS • Suitable for hot steam sterilization, hot fill, and microwave applications • Ideal for food-grade containers with high rigidity and improved gas barrier • Can withstand temperatures up to 100°C • Available in both transparent and opaque options • Processable on existing thermoforming lines with heated molds KEY BENEFITS • A fully circular monomaterial, up to 100% rPET polymer content • Promotion of the circularity of PET and the resulting packaging is possible • Helps customers to comply with the Packaging and Packaging Waste Regulation (PPWR) that demands recyclability of all packaging with binding PCR content targets by 2030 • Demonstrates improved productivity in comparison to CPET during thermoforming • Helps avoid possible EPR fees or penalties on difficult-to-recycle packaging PRODUCT BULLETIN Copyright © 2025, Avient Corporation.

ACTIVE INGREDIENTS RESISTANCE RATING Clorox® Disinfecting Wipes 5813-79 Quaternary ammonium +++++ +++++ +++++ ++ +++ ++++ Formula 409® Heavy Duty Degreaser N/A Lauramine oxide, ethanolamine +++++ +++++ +++++ + ++ +++ Lysol® All-Purpose Cleaner 777-66 Quaternary ammonium +++++ +++++ +++++ + + ++ $$$ $$$ $$$$ $ $$$ $ MATERIAL COMPARISON WITH COMMON CONSUMER DISINFECTANTS P AB S P PE T P PB T E 90 0 CR E 90 0 H I C R E 92 0 C RCRITERIA FOR RESISTANCE RATING + strength and elongation at yield retention between 90-110% + strength and elongation at yield retention between 75-125% + no statistically significant reduction in elongation at break (p < 0.05) + visual observation score of 4 or better (minor/no crazing, no cracks) + samples survived disinfectant exposure in strain jig Lysol® is a trademark of Reckitt Benckiser LLC Formula 409® is a trademark of The Clorox Company Clorox® is a trademark of The Clorox Company An independent, A2LA-accredited lab tested the following polymers with various disinfectants to help customers choose the material suitable for their specific application requirements.

This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. 1.844.4AVIENT www.avient.com Take a closer look at the research and testing behind TPEs with antimicrobial additives in our white paper published in Polymer Engineering & Science.

KEY CHARACTERISTICS • Consistent coloring and improved homogenization with the polymer offer more efficient processing and waste reduction • Opaque PEI masterbatches available with shorter lead times and a range of readily available standard colors • Minimum order quantities as low as 5kg (10 lbs) for improved inventory control • Robust colorant formulations mean no disruptions to existing molding processes, allowing manufacturers to bring products to market faster and without investing in new machinery FEATURES AND COLORS PEI colorants are manufactured using 100% prime virgin PEI resin.

KEY FEATURES OF FIBER-LINE PRECISION WINDING • Metered lengths available for accuracy • Multiple ends pulled in equal tension • Specialized equipment that will not damage filaments • Well suited for various applications COMMON PRECISION WOUND FIBER-LINE FIBERS • Para-Aramid • PET Polyester Fiber • Liquid Crystal Polymer (LCP) • Fiberglass COMMON PRECISION WOUND PRODUCTS • Swellcoat yarns • Ripcords • Binders/fillers • Strength members Copyright © 2023, Avient Corporation.

Developed to support growing sustainability goals, these bio- polymers offer hardness levels from 30-70 Shore A and property retention comparable to traditional petroleum-based TPEs.

Supporting technology breakthroughs by meeting our customer’s sustainable solution needs.

NYSE: AVNT) provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

Performance—Sustainable Solutions Performance Page 76