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% 10 Avient ex. Avient Specialty Other Specialty / 2023E(%) 32 79 87 83 81 76 73 90 79 77 76 73 69 60 22 MULTIPLE EXPANSION Avient Specialty Other Specialty / Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.51.

Global Chemical Management Policy AVIENT CORPORATION AND SUBSIDIARIES At Avient, we strive to conduct our business activities in a manner that is protective of health and the environment, while using a scientific and risk-based approach to chemical management. Adhering to Avient’s Responsible Care® pledge and Product Stewardship Policy All suppliers are expected to comply with Avient’s Supplier Code of Conduct

Moh also served as Vice President of Asia, where he strengthened a One Avient approach internally and externally with customers, regional leaders and associations, as Avient has invested for growth in Asia. He is based in Avient’s world headquarters located outside Cleveland, Ohio. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

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. For the same reasons, Avient is unable to address the probable significance of the unavailable information. Avient reflects 2023 adjusted EBITDA guidance of $525M and estimated run-rate CAPEX of $110M. 2023E (%) 23 79 90 84 83 76 73 88 82 77 74 72 67 57 20 Avient Specialty Other Specialty / MULTIPLE EXPANSION Note: Avient reflects 2023 adjusted EBITDA guidance of $525M and closing share price of $40.93.

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% 14 Avient ex. Avient Specialty Other Specialty / 2023E(%) 36 79 87 83 81 76 73 90 79 77 76 73 69 60 22 MULTIPLE EXPANSION Avient Specialty Other Specialty / Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.51.

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. For the same reasons, Avient is unable to address the probable significance of the unavailable information. Copyright © . 2025 3 Avient at a glance

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 © .

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.

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.