Patterson, Chairman, President, and Chief Executive Officer, Avient Corporation. The comprehensive publication is issued in advance of Avient’s upcoming Sustainability Day to be held on September 20, 2023. To access Avient’s news library online, please visit www.avient.com/news.

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 Avient ex. Avient Specialty Other Specialty / 2023E(%) 37 79 89 83 81 76 73 90 82 77 76 74 70 58 22 MULTIPLE EXPANSION Avient Specialty Other Specialty / Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $36.50.

➢ Please remember- any supplier can register to the CSP, however, for transactions to flow between Avient and yourself, we need to send an invitation. STEP 3: COUPA PROFILE ➢ Clicking on the “Next” button takes you to the Congratulations page informing you about your successful setup that allows you to do business with Avient ➢ Please note this person registering on the CSP will be able to see all Avient’s PO’s, create and submit invoices and perform administrative duties on the account like adding users and updating company information.

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.

© 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.

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. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. Senior management believes the measures described above are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

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.