Plastics have brought critical sanitary, safety, health preservation and infrastructure benefits to the world, especially in developing regions, helping to improve living standards, hygiene and nutrition. Avient offers a broad portfolio of technologies that help our customers—and our planet—be more sustainable. From lightweighting to renewable energy applications to improved recyclability, Avient has a robust portfolio of sustainable solutions.

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets.2 AVIENT: WHO WE ARE 36 24 9 35 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia 25,000+ CUSTOMERS Headquartered in Avon Lake, OH (Cleveland) 100+ manufacturing plants Key Financial Data 2023E Sales $3.45 billion 2023E EBITDA $530 million 2023E EPS $2.40 100% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales Guidance as of February 15, 2023 Webcast WHO WE ARE – VISION, STRATEGY, CULTURE Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Avient Specialty Other Specialty / 2023E(%) 31 79 87 81 79 76 73 90 77 76 75 73 64 59 33 MULTIPLE EXPANSION Avient Specialty Other Specialty / Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.89.

Health and Safety • Implement appropriate processes and procedures to ensure that human health and safety are at the forefront of your actions. Comply with all applicable environmental, health, safety, and security regulations. Establish an information security and data privacy system to protect Avient’s information, including information of its customers and associates, from being disclosed, changed, destroyed, or used for any purpose other than the purpose for which it was provided.

In millions, except per share data) In millions, except per share data) Condensed Consolidated Balance Sheets

In millions, except per share data) In millions, except per share data) Condensed Consolidated Balance Sheets

In millions, except per share data) In millions, except per share data) Condensed Consolidated Balance Sheets

In millions, except per share data) In millions, except per share data) Condensed Consolidated Balance Sheets

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FRP FIBERS PROCESSES PRODUCTS This data is provided for informational purposes only, and does not constitute a specification. Uranusweg 3 8938 AJ Leeuwarden The Netherlands +31(0) 58 216 75 99 info@fiber-line.com ABOUT FIBER-LINE® NOTICE: The information and data contained herein do not constitute sales specifications. No liability, warranty or guarantee of product performance is created by this document.

HYPE helps build a collaborative network of Avient’s young professionals, eager to innovate and impact our company. HYPE also expanded to LATAM this year to further connect Avient’s network of young professionals across the globe. Sustainability education, safety reminders and Avient overviews