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.

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.

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.

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. https://doi.org/10.1002/pen.25815 https://doi.org/10.1002/pen.25815

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.

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

11.866.POLYONE www.polyone.com MAXXAM™ FILLED & REINFORCED POLYOLEFINS PRODUCT SELECTION GUIDE 2 31.866.POLYONE www.polyone.com MAXXAM™ FILLED & REINFORCED POLYOLEFINS PolyOne manufactures a complete line of filled and reinforced polymer polyolefins for injection molding and blow molding. This family of polypropylene- and polyethylene- based products is an ideal performance driven alternative to highly engineered polymers across a variety of industries. Lightweight solution for parts typically manufactured in metal, long glass fiber polypropylene or reinforced engineered plastics.

All rights reserved. 65799Certificate No: Facility: PolyOne Polymers India Private Limited Shed No 18–22, GIDC Estate Panchamahal Kalol, Gujarat 389330 India Facility: P.T. Via Piave, 12 23871, Lomagna, Lecco Italy Activity: Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport Activity: Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse and Transport Sales and Marketing Facility: PolyOne Polymers India Private Limited WA-6 Renaissance Industrial & Warehousing Complex, Padgha, Thane, Vashere, Maharashtra 400607 India Facility: PolyOne Polymers India Private Limited Survey No. 344 / 1–3 Sakarda Bhadarwa Road Rania, Taluka Savli, Vadodara District 39178 India Activity: Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse, Transport and Waste Water Treatment Activity: Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, Infrastructure, Warehouse, Transport and Waste Water Treatment Page 5 of 10 ABS Quality Evaluations Avient Corporation ISO 9001:2015 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation.

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