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. F X ) -10% -11% -3% -12% 15 US & Canada Latin America EMEA Asia Avient ex. Avient reflects 2023 adjusted EBITDA guidance of $530M and estimated run-rate CAPEX of $110M.

Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. 1 Mr. About Avient Avient Corporation (NYSE: AVNT), with 2020 pro forma revenues of $3.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com 5 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended December 31, Year Ended December 31, 2020 2019 2020 2019 Sales $ 997.0 $ 658.6 $ 3,242.1 $ 2,862.7 Operating Income 65.0 20.5 189.3 156.8 Net income from continuing operations attributable to Avient shareholders 74.2 6.4 132.0 75.5 Basic earnings per share from continuing operations attributable to Avient shareholders $ 0.81 $ 0.08 $ 1.47 $ 0.98 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.81 $ 0.08 $ 1.46 $ 0.97 Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Patterson, Chairman, President, and Chief Executive Officer, Avient Corporation. Beggs, Senior Vice President and Chief Financial Officer, Avient Corporation. To access Avient’s news library online, please visit www.avient.com/news.

Ashish Khandpur, President and Chief Executive Officer of Avient Corporation. To access Avient’s news library online, please visit www.avient.com/news-events. About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

Furthermore, Avient Design’s idea of adding a supportive ridge to the grip became a substantial game changer! Working with the Avient Design team on our VITALPOINT™ grip project was a big win for us. Engage Avient material experts, engineers, and designers early in the process for maximum impact.

Copyright © 2023, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. Avient is committed to the needs of our healthcare customers.

Copyright © 2023, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. Avient is committed to the needs of our healthcare customers.

You can trust that Avient materials meet the rigorous quality and safety management standards required across the globe www.avient.com Copyright © 2020, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

© 2021, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about Versaflex™ TPEs, contact Avient at +1.844.4AVIENT (1.844.428.4368) or visit us at avient.com. For the mouse feet, Avient formulated a special grade of LubriOne™ filled acetal as an improvement over the neat acetal found in traditional designs. The Avient team worked carefully to develop a compound that could utilize existing tooling to avoid additional tooling costs.

Wire & cable manufacturer W I R E & C A B L E M A N U FAC T U R E R A E R O N A U T I C D A T A T R A N S M I S S I O N C A B L E S • Permanent contrast marking meeting aerospace industry standards SAE AS4373F and EN-3475-706 • Benign marking that, compared to infrared (IR) laser marking, will not damage the jacket surface • Elevated temperature performance in corrosive environments, maintaining dielectric properties under continuous service • No vital optical fiber or data transmission cable interference • Demonstrated fluorinated ethylene propylene (FEP) application expertise incorporating laser marks • Provided formulation expertise in PTFE alternatives • Delivered a high-quality product with no clumping during the extrusion process • Offered a proven array of specific aeronautic colors • Provided commercial, technical, and operational support KEY REQUIREMENTS APPEARANCE + PERFORMANCE WHY AVIENT? AVIENT SOLUTION Colorant Chromatics UV Laser Marking Additives for FEP LEARN MORE © 2024, Avient Corporation.