Avient Corporation. All Rights Reserved 2025 27 NON-HYDROCARBON MATERIALS HYDROCARBON-BASED ~35% of the raw material basket including part of “Other raw materials” are hydrocarbon-based Raw material basket 16% 14% 9% 2% 37% 9% 5% 4% 4% Performance additives Pigments TiO2 Dyestuffs Styrenic block copolymers Polypropylene Nylon Polyethylene Other raw materials Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) 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. Further, as a result of Avient's strategic shift to an innovator of materials solutions, it has completed several acquisitions and divestitures which have resulted in a significant amount of intangible asset amortization.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. In case Buyer is required to disclose the information by virtue of a court order or statutory duty, Buyer shall immediately inform Seller and reasonably cooperate with Seller should it seek to obtain a protective order.

Microsoft Word - Terms and Conditions of Sale for Hong Kong (12-17-24) TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. Any samples or developmental material provided by Seller are provided “AS IS” with no warranty as to its performance and such samples or materials shall not create any warranty by sample, which is hereby waived. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms.

Microsoft Word - Terms and Conditions of Sale for Singapore (English 12-17-24) TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. In case Buyer is required to disclose the information by virtue of a court order or statutory duty, Buyer shall immediately inform Seller and reasonably cooperate with Seller should it seek to obtain a protective order.

Microsoft Word - Terms and Conditions of Sale for Thailand (English 12-17-24) TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. In case Buyer is required to disclose the information by virtue of a court order or statutory duty, Buyer shall immediately inform Seller and reasonably cooperate with Seller should it seek to obtain a protective order.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. In case Buyer is required to disclose the information by virtue of a court order or statutory duty, Buyer shall immediately inform Seller and reasonably cooperate with Seller should it seek to obtain a protective order.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. In case Buyer is required to disclose the information by virtue of a court order or statutory duty, Buyer shall immediately inform Seller and reasonably cooperate with Seller should it seek to obtain a protective order.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. In case Buyer is required to disclose the information by virtue of a court order or statutory duty, Buyer shall immediately inform Seller and reasonably cooperate with Seller should it seek to obtain a protective order.

Microsoft Word - Terms and Conditions of Sale for India (English 12-17-24) TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. In case Buyer is required to disclose the information by virtue of a court order or statutory duty, Buyer shall immediately inform Seller and reasonably cooperate with Seller should it seek to obtain a protective order.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. In case Buyer is required to disclose the information by virtue of a court order or statutory duty, Buyer shall immediately inform Seller and reasonably cooperate with Seller should it seek to obtain a protective order.