By intersecting our broad portfolio of technologies with the product roadmaps of our customers, we help create differentiated and high-performance products that make the world better and more sustainable. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 6 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. Three Months Ended December 31, Year Ended December 31, 2024 2023 2024 2023 Sales: Color, Additives and Inks $ 467.7 $ 459.4 $ 2,046.5 $ 2,007.4 Specialty Engineered Materials 279.7 259.8 1,196.8 1,138.2 Corporate (0.9) (0.2) (2.9) (2.8) Sales $ 746.5 $ 719.0 $ 3,240.4 $ 3,142.8 Gross margin: Color, Additives and Inks $ 152.6 $ 148.3 $ 681.1 $ 631.2 Specialty Engineered Materials 84.2 78.1 374.9 341.8 Corporate 22.7 (17.5) 0.7 (80.5) Gross margin $ 259.5 $ 208.9 $ 1,056.7 $ 892.5 Selling and administrative expense: Color, Additives and Inks $ 92.8 $ 86.5 $ 384.9 $ 371.3 Specialty Engineered Materials 49.6 48.7 207.7 199.3 Corporate 31.5 30.6 134.8 125.1 Selling and administrative expense $ 173.9 $ 165.8 $ 727.4 $ 695.7 Operating income: Color, Additives and Inks $ 59.8 $ 61.8 $ 296.2 $ 259.9 Specialty Engineered Materials 34.6 29.4 167.2 142.5 Corporate (8.8) (48.1) (134.1) (205.6) Operating income $ 85.6 $ 43.1 $ 329.3 $ 196.8 Depreciation and amortization: Color, Additives and Inks $ 21.9 $ 22.2 $ 87.5 $ 98.3 Specialty Engineered Materials 21.0 19.8 82.1 81.5 Corporate 2.5 2.2 10.1 9.0 Depreciation and amortization $ 45.4 $ 44.2 $ 179.7 $ 188.8 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 81.7 $ 84.0 $ 383.7 $ 358.2 Specialty Engineered Materials 55.6 49.2 249.3 224.0 Corporate (6.3) (45.9) (124.0) (196.6) Other income, net 3.2 4.3 1.1 5.8 EBITDA from continuing operations $ 134.2 $ 91.6 $ 510.1 $ 391.4 Special items, before tax (23.9) 22.4 20.1 114.6 Interest expense included in special items — (0.1) (2.3) (2.3) Depreciation and amortization included in special items (0.3) — (1.5) (1.9) Adjusted EBITDA $ 110.0 $ 113.9 $ 526.4 $ 501.8 13 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses operating income before special items to assess performance and allocate resources because senior management believes that this measure is most useful in understanding current profitability levels and how it may serve as a basis for future performance.

By intersecting our broad portfolio of technologies with the product roadmaps of our customers, we help create differentiated and high-performance products that make the world better and more sustainable. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 5 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. Three Months Ended 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 Gross margin: Color, Additives and Inks $ 173.1 $ 171.2 Specialty Engineered Materials 97.8 107.0 Corporate (7.7) — Gross margin $ 263.2 $ 278.2 Selling and administrative expense: Color, Additives and Inks $ 94.5 $ 96.4 Specialty Engineered Materials 50.7 53.6 Corporate 117.3 34.2 Selling and administrative expense $ 262.5 $ 184.2 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 12 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses operating income before special items to assess performance and allocate resources because senior management believes that this measure is most useful in understanding current profitability levels and how it may serve as a basis for future performance.

By intersecting our broad portfolio of technologies with the product roadmaps of our customers, we help create differentiated and high-performance products that make the world better and more sustainable. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 5 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G. Three Months Ended June 30, Six Months Ended June 30, 2025 2024 2025 2024 Sales: Color, Additives and Inks $ 538.6 $ 542.0 $ 1,058.3 $ 1,057.3 Specialty Engineered Materials 329.7 308.1 638.1 622.5 Corporate (1.8) (0.4) (3.3) (1.1) Sales $ 866.5 $ 849.7 $ 1,693.1 $ 1,678.7 Gross margin: Color, Additives and Inks $ 188.0 $ 184.5 $ 361.1 $ 355.7 Specialty Engineered Materials 93.8 94.7 191.6 201.7 Corporate (3.9) (21.6) (11.6) (21.6) Gross margin $ 277.9 $ 257.6 $ 541.1 $ 535.8 Selling and administrative expense: Color, Additives and Inks $ 97.7 $ 98.4 $ 192.2 $ 194.8 Specialty Engineered Materials 53.6 51.9 104.3 105.5 Corporate 30.5 34.8 147.8 69.0 Selling and administrative expense $ 181.8 $ 185.1 $ 444.3 $ 369.3 Operating income: Color, Additives and Inks $ 90.3 $ 86.1 $ 168.9 $ 160.9 Specialty Engineered Materials 40.2 42.8 87.3 96.2 Corporate (34.4) (56.4) (159.4) (90.6) Operating income $ 96.1 $ 72.5 $ 96.8 $ 166.5 Depreciation & amortization: Color, Additives and Inks $ 22.4 $ 21.8 $ 44.1 $ 43.7 Specialty Engineered Materials 22.4 20.8 43.9 40.4 Corporate 1.8 2.3 3.9 5.1 Depreciation & amortization $ 46.6 $ 44.9 $ 91.9 $ 89.2 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 112.7 $ 107.9 $ 213.0 $ 204.6 Specialty Engineered Materials 62.6 63.6 131.2 136.6 Corporate (32.6) (54.1) (155.5) (85.5) Other expense, net (0.5) (0.9) (0.9) (1.8) EBITDA $ 142.2 $ 116.5 $ 187.8 $ 253.9 Special items, before tax 7.3 28.1 108.5 34.3 Interest expense included in special items (0.3) (1.0) (2.0) (1.0) Depreciation & amortization included in special items (0.3) (0.3) (0.7) (0.8) Adjusted EBITDA $ 148.9 $ 143.3 $ 293.6 $ 286.4 12 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses operating income before special items to assess performance and allocate resources because senior management believes that this measure is most useful in understanding current profitability levels and how it may serve as a basis for future performance.

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