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Q1 2025 results Copyright © . 2025 7 Color, Additives & Inks – Q1 2025 performance Sales 515 520 Adj. Specialty Engineered Materials END MARKETS REGIONS 17% 14%13% Defense Packaging Telecom 54% 33% US & Canada Europe, Middle East Energy Copyright © . 2025 16 Avient 2024 regional sales, by end market US & CANADA 41% of sales EMEA 35% of sales ASIA 18% of sales LATIN AMERICA 6% of sales 22% Packaging TelecomEnergyDefenseHealthcareBuilding & TransportationIndustrialConsumer 26% 16% 31% 26% 1%1% 2% 61% Copyright © . 2025 17 NON-HYDROCARBON MATERIALS HYDROCARBON-BASED ~35% of the raw material basket including part of “Other raw materials” are hydrocarbon-based Raw material basket 16% 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 attributable to Avient common shareholders and diluted adjusted earnings per share (EPS) attributable to Avient common shareholders, excluding special items, to assess performance and facilitate comparability of results. Three Months Ended March 31, 2025 2024 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net (loss) income attributable to Avient common shareholders $ (20.2) $ (0.22) $ 49.4 $ 0.54 Special items, after-tax 75.7 0.82 5.5 0.06 Amortization expense, after-tax 14.5 0.16 14.9 0.16 Adjusted net income / EPS $ 70.0 $ 0.76 $ 69.8 $ 0.76 March 31, Reconciliation to EBITDA and Adjusted EBITDA: 2025 2024 Net (loss) income – GAAP $ (19.9) $ 49.7 Income tax (benefit) expense (6.7) 16.8 Interest expense, net 26.9 26.6 Depreciation & amortization 45.3 44.3 EBITDA $ 45.6 $ 137.4 Special items, before tax 101.2 6.2 Interest expense included in special items (1.7) — Depreciation & amortization included in special items (0.4) (0.5) Adjusted EBITDA $ 144.7 $ 143.1 Adjusted EBITDA as a percent of sales 17.5 % 17.3 % 1 March 31, 2025 2024 Sales: Color, Additives and Inks $ 519.7 $ 515.3 Specialty Engineered Materials 308.4 314.4 Corporate (1.5) (0.7) Sales $ 826.6 $ 829.0 Operating income: Color, Additives and Inks $ 78.6 $ 74.8 Specialty Engineered Materials 47.1 53.4 Corporate (125.0) (34.2) Operating income $ 0.7 $ 94.0 Depreciation & amortization: Color, Additives and Inks $ 21.7 $ 21.9 Specialty Engineered Materials 21.5 19.6 Corporate 2.1 2.8 Depreciation & amortization $ 45.3 $ 44.3 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 100.3 $ 96.7 Specialty Engineered Materials 68.6 73.0 Corporate (122.9) (31.4) Other expense, net (0.4) (0.9) EBITDA $ 45.6 $ 137.4 Special items, before tax 101.2 6.2 Interest expense included in special items (1.7) — Depreciation & amortization included in special items (0.4) (0.5) Adjusted EBITDA $ 144.7 $ 143.1 Adjusted EBITDA as a percent of sales: Color, Additives and Inks 19.3 % 18.8 % Specialty Engineered Materials 22.2 % 23.2 % Reconciliation to EBITDA and Adjusted EBITDA: Year Ended December 31, 2024 Net income – GAAP $ 170.7 Income tax expense 54.1 Interest expense 105.6 Depreciation & amortization 179.7 EBITDA $ 510.1 Special items, before tax 20.1 Interest expense included in special items (2.3) Depreciation & amortization included in special items (1.5) Adjusted EBITDA $ 526.4 Adjusted EBITDA as a percent of sales 16.2 % 2 Three Months Ended March 31, 2023 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) Net income from continuing operations attributable to Avient common shareholders $ 20.8 $ 0.23 Special items, after tax 22.3 0.24 Amortization expense, after-tax 15.1 0.16 Adjusted net income / EPS $ 58.2 $ 0.63 June 30, 2024 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) Net income attributable to Avient common shareholders $ 33.6 $ 0.36 Special items, after-tax 21.8 0.24 Amortization expense, after-tax 14.8 0.16 Adjusted net income / EPS $ 70.2 $ 0.76 Year Ended December 31, 2024 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) Net income attributable to Avient common shareholders $ 169.5 $ 1.84 Special items, after-tax 15.9 0.17 Amortization expense, after-tax 59.5 0.65 Adjusted net income / EPS $ 244.9 $ 2.66 3 AVNT Q1 2025 webcast slides_v16.pdf Q1 2025 Earnings webcast Slide 1 Slide 2: Disclaimer Slide 3: Q1 2025 highlights Slide 4: Q1 2025 organic revenue growth - by region Slide 5: Playbook in current environment Slide 6 Slide 7: Color, Additives & Inks – Q1 2025 performance Slide 8: Specialty Engineered Materials – Q1 2025 performance Slide 9: Global reach with a local touch Slide 10 Slide 11: 2025 financial guidance unchanged...

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