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. Slide 12 Slide 13: Avient 2024 sales Slide 14: Color, Additives & Inks Slide 15: Specialty Engineered Materials Slide 16: Avient 2024 regional sales, by end market Slide 17: Raw material basket IR Deck - AVNT-2025.03.31 Non-Gaap Recs.pdf Attachment

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. For the same reasons, Avient is unable to address the probable significance of the unavailable information. 3Copyright © .

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.

Hager, a long- standing customer of Avient, has been using a polyolefin material for an outdoor socket. Avient is constantly innovating to enhance its portfolio of sustainable materials. Using Avient’s Product Carbon Footprint Calculator, which has been third-party certified by TÜV Rhineland to ISO 14067 standard, the new Avient formulations enable a 50% carbon footprint reduction compared to the materials previously used.

Avient colorants for TPU applications are specifically designed to reach high quality standards. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. Avient Additives for Wire & Cable • Cesa™ Flame Retardant Additives: Flame- retardant additives that add or improve flame resistance.

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. 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. This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. 1.844.4AVIENT www.avient.com Copyright © 2024, 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’s designers and engineers formulate and manufacture customized solutions to meet the technical and structural demands of design across a broad range of market applications. To learn more about Avient advanced composite solutions, call +1.844.4AVIENT or visit www.avient.com/composites 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.

Avient facility, go to avient.com. Copyright © 2021, 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.

The determination of the GHG emissions is the sole responsibility of Avient. Avient is responsible for the preparation and fair presentation of the GHG emissions statement in accordance with the criteria. Miami, Florida Santa Ana, California July 26, 2022 This verification opinion declaration, including the opinion expressed herein, is provided to Avient and is solely for the benefit of Avient in accordance with the terms of our agreement.