https://www.avient.com/investors/governance Contact point for questions regarding the report https://www.avient.com/contact-us-now

Visit www.avient.com to learn more. FINANCIAL INFORMATION Security analysts and representatives of financial institutions are invited to contact: Joe Di Salvo Vice President, Treasurer and Investor Relations Phone: 1-440-930-1921 Email: giuseppe.disalvo@avient.com AUDITORS Ernst & Young LLP Nor th Point Tower II, Suite 1800 1001 Lakeside Ave Cleveland, OH 44114 INTERNET ACCESS Information on Avient’s products and services, news releases, corporate governance, EDGAR filings, Repor ts on Forms 10-K and 10-Q, etc. as well as an electronic version of this annual repor t, are available on the Internet at www.avient.com. Committees: 1, 2 A V IE N T C O R P O R A T IO N A N N U A L R E P O R T 2 0 2 4 2024 ANNUAL REPORT Innovator of Materials Solutions AVIENT.COM

For more information, visit www.avient.com. news library online, please visit www.avient.com/news. Investor Contacts

Contact Avient with your specific requirements. 2 6822 is only available in unidirectional tape—not as a multi-ply laminate. Contact Avient with your specific requirements. 2 No break occurred in testing. Unidirectional Tape 3-Ply 0˚/90˚/0˚ 6-Ply X-Ply™ 0˚/90˚ 4-Ply 0˚/90˚/90˚/0˚ Honeycomb Core, X-Ply™ Skins Uni Tape with Scrim 10-Ply with Film LAMINATION LAY-UP CONFIGURATIONS 4-Ply 90˚/0˚/0˚/90˚ with Film 1.844.4AVIENT www.avient.com Copyright © 2021, Avient Corporation.

For more information, visit www.avient.com.     Media contact Nicole DeChant Avient Corporation nicole.dechant@avient.com Media Relations Contacts

For more information, visit www.avient.com. Media Contact Nicole DeChant Avient Corporation nicole.dechant@avient.com Media Relations Contacts

For more information, visit www.avient.com. news library online, please visit www.avient.com/news Investor Contacts

For more information, visit www.avient.com. news library online, please visit www.avient.com/news Investor Contacts

For more information, visit www.avient.com. news library online, please visit www.avient.com/news Investor Contacts

PROCESSING AND HANDLING ColorMatrix AAzure has food contact approvals defined in the below table. For further information regarding food contact approvals, please get in touch with your local sales representative. FOOD CONTACT PRODUCT EU FDA MERCOSUR CHINA ColorMatrix AAzure • • • 2022 Increasing ColorMatrix AAzure Concentration 25% reduction in energy consumed during the bottle blowing process, based on a commercial process producing 8.5g 0.5L water bottles at 51,000 bph 1.844.4AVIENT www.avient.com Copyright © 2020, Avient Corporation.