About Plastic Bank     Plastic Bank is revealing value in plastic waste to help end poverty. PlasticBank® and Social Plastic® are registered trademarks of The Plastic Bank Recycling Corporation. 

Homepage // News Center // Colorants and Additives from Avient for Sustainable Luxury Plastic Packaging to be Featured at LUXE PACK New York Plastics Pact 2023 Sustainable Packaging Innovation Award for Recyclability. In addition, ColorForward™ 2024, the annual color forecasting guide for the plastics industry, will be on display.

Homepage // News Center // Avient to Present on Lightweighting Design Innovation and Sustainable Additive Solutions at the Plastics in Automotive Engineering Conference The two-day conference, which takes place at the Rosengarten Center in Mannheim, brings together global automotive plastics experts interested in using plastics in interior, exterior, and under-the-hood vehicle applications. Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

PROFILE/SHEET EXTRUDER R A I L S A N D K I C K P L A T E S • Convert existing PVC profile and sheet rails and kick plates to polyolefin resin to meet Class A fire safety (ASTM E84) • Provide a system that meets healthy building certifications and approvals • Utilize a more sustainable flame retardant technology, removing brominated or halogenated flame retardants from the environment • Achieve non-compromising performance in aesthetics, impact, dimensional stability, CLTE, and E84 testing • Provided broad flame retardant platform, backed by extensive application and industry expertise, to meet global flammability standards • Has largest UL94 recognized Prospector membership with HB, V-0, V-1, V-2 and 5VA/5VB ratings, and broad glow wire performance products • Included in-house UL certified labs and manufacturing locations to perform UL94 material sampling and testing • Supported application development to meet fire safety standards, address current or emerging healthy building codes, smart home requirements, and LEED credits • Offered custom formulations in small lot quantities Cesa™ Flam Non-Halogen Flame Retardants KEY REQUIREMENTS WHY AVIENT?

Homepage // News Center // Avient Joint Study with Borealis Reveals Wide Range of Color Options for Recycled Plastics K 2022, the world’s largest plastics industry event, will take place from 19 to 26 October 2022 in Düsseldorf, Germany. Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.  

Extrudable and easy to process, these formulations are produced by crosslinking a polyethylene base resin and DBDPE-free catalyst using the Sioplas method, which offers significant advantages and economies over alternative crosslinking processes.

KEY CHARACTERISTICS • Fabric FX can be formulated to include properties such as UV color protection and anti-scratch performance • Fabric FX can be processed on standard molding machinery • Different matrix materials can be enhanced with Fabric FX, including ABS, PC/ABS, PB, and unfilled or talc-filled PP • There is no limitation on the graining that can be used; the fabric effect will differ depending on the grain effect engraved in the tool • If parts are extruded or a mold is not engraved, final parts will have an attractive speckled appearance, but will not be textured TYPICAL USES Fabric FX concentrates are suitable for any application that could benefit from an enhanced textile-like appearance.

KEY CHARACTERISTICS • Eliminates secondary coating operations • Easily delivers the last drop out of a container • Reduces residual content • Reduces production costs • Won’t impact visual clarity • Non-PFAS formulations available APPLICATIONS Cesa Low Retention Additives are suitable for any olefinic application that would benefit from the ability to repel water or fluids, including: • Labware, including pipette tips • Monofilaments • Industrial fixtures • Woven fibers • Platform mats • Molded optical lenses • Medical devices • Extruded films • Carpet fibers • Textiles PRODUCT BULLETIN

Homepage // News Center // Avient Featuring Colorants and Additives for Recycling Challenges at the 2023 Plastics Recycling Conference NATIONAL HARBOR, Md. – February 27, 2023 – Avient Corporation will exhibit and participate at the Plastics Recycling Conference next week, highlighting its polymer solutions that help make plastics more recyclable and improve recycled resin.   The Plastics Recycling Conference is the largest North American gathering of plastics recycling and sustainability professionals.

Annual Report | 2024 2 STOCK EXCHANGE LISTING Avient's Common Stock is listed on the New York Stock Exchange, Symbol: AVNT SHAREHOLDER INQUIRIES If you have any questions concerning your account as a shareholder, name or address changes, inquiries regarding stock certificates, or if you need tax information regarding your account, please contact our transfer agent: Equiniti Trust Company, LLC 1110 Centre Pointe Curve, Suite 101 Mendota Heights, MN 55120-4100 Phone: 1-855-598-2615 or 1-651-450-4064 www.shareowneronline.com Additional information about Avient, including current and historic copies of Annual Reports on Form 10-K and other reports filed with the Securities and Exchange Commission, is available online at www.avient.com or free of charge from: Investor Relations Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 Phone: 1-440-930-1000 ANNUAL MEETING The annual meeting of Avient will be held virtually via live webcast at 9:00 a.m.