2 Corruzione di funzionari pubblici 2 Corruzione commerciale 2 Pagamenti agevolanti e tangenti 3 Lavorare con agenti, distributori e altre terze parti 3 Due diligence e processo di approvazione 3 Segnali di allerta 3 Requisiti di contabilità e tenuta dei registri 4 Segnalazione di possibili violazioni 4 Linea di assistenza telefonica sull’etica Avient 4 Protezione dalle ritorsioni 4 Riferimento rapido: COSA SI PUÒ FARE E COSA NO, AI SENSI DELLE LEGGI ABAC 5 1 La nostra Politica globale su anti- corruzione e anti-concussione Avient proibisce severamente la frode, la corruzione e le altre pratiche commerciali corrotte in tutte le nostre unità operative ovunque nel mondo. subject= http://avient.ethicspoint.com 5   Riferimento rapido: COSA SI PUÒ FARE E COSA NO, AI SENSI DELLE LEGGI ABAC COSA FARE • Sapere che Avient vieta qualsiasi forma di concussione e corruzione e non consente pagamenti agevolanti • Avere dimestichezza con gli aspetti rilevanti delle nostre Politiche ABAC e comunicarli ai subalterni e alle parti terze • Porre domande se le Politiche o le azioni da intraprendere non sono chiare • Segnalare tempestivamente violazioni, effettive o sospette, al vostro supervisore, all’Ufficio legale o alla Linea di assistenza telefonica sull’etica • Sapere che il “valore” non è necessariamente misurato in termini monetari • Sapere che le tangenti possono includere quanto segue: • Denaro e mezzi equivalenti (carte regali o voucher di regali) • Doni, intrattenimento e ospitalità che non hanno una chiara finalità commerciale o che vanno oltre le esigenze commerciali • Pagamento di spese di viaggio o vacanze • Pagare un funzionario pubblico per aggirare un requisito doganale applicabile o per accelerare un rimborso fiscale • Servizi, favori e prestiti personali • Offerte di lavoro o altri benefici a un familiare o un amico della persona influente • Contributi ai partiti politici e ai candidati • Donazioni di beneficenza e sponsorizzazioni • Altri elementi meno ovvi includono contributi in natura, opportunità di investimento e subappalti favorevoli o pilotati • Sapere che il divieto si applica nel caso tale bene vada a beneficio della persona direttamente o di un’altra persona, come un familiare, un amico o un socio in affari • Tenere libri, registri e conti in modo ragionevole e rendicontare accuratamente e correttamente le transazioni • Condurre la due diligence su agenti, distributori e altre terze parti prima dell’incarico e durante il rapporto e ottenere l’approvazione dell’Ufficio legale • Gestire correttamente e monitorare le attività commerciali condotte tramite terze parti COSA NON FARE • Offrire, promettere, pagare o autorizzare il pagamento di qualsiasi bene di valore a qualsiasi funzionario pubblico e/o dipendente del settore privato per aiutare Avient a ottenere o mantenere affari o assicurarsi qualche altro vantaggio commerciale improprio.

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. 2) Tax adjustments include the net tax impact from non-recurring income tax items, adjustments to uncertain tax position reserves and the establishment, reversal or changes to valuation allowances. 10 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (Unaudited) (In millions) Year Ended December 31, 2023 2022 ASSETS Current assets: Cash and cash equivalents $ 545.8 $ 641.1 Accounts receivable, net 399.9 440.6 Inventories, net 347.0 372.7 Other current assets 114.9 115.3 Total current assets 1,407.6 1,569.7 Property, net 1,028.9 1,049.2 Goodwill 1,719.3 1,671.9 Intangible assets, net 1,590.8 1,597.6 Operating lease assets, net 65.3 60.4 Other non-current assets 156.6 136.2 Total assets $ 5,968.5 $ 6,085.0 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 9.5 $ 2.2 Accounts payable 432.3 454.4 Current operating lease obligations 16.6 17.0 Accrued expenses and other current liabilities 315.2 395.8 Total current liabilities 773.6 869.4 Non-current liabilities: Long-term debt 2,070.5 2,176.7 Pension and other post-retirement benefits 67.2 67.2 Deferred income taxes 281.6 342.5 Non-current operating lease obligations 43.2 40.9 Other non-current liabilities 394.4 235.5 Total non-current liabilities 2,856.9 2,862.8 SHAREHOLDERS' EQUITY Avient shareholders’ equity 2,319.2 2,334.5 Noncontrolling interest 18.8 18.3 Total equity 2,338.0 2,352.8 Total liabilities and equity $ 5,968.5 $ 6,085.0 11 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Year Ended December 31, 2023 2022 Operating activities Net income $ 76.2 $ 703.4 Adjustments to reconcile net income to net cash provided by operating activities: Gain on sale of business, net of tax expense — (550.1) Depreciation and amortization 186.9 157.6 Accelerated depreciation 1.9 5.5 Amortization of inventory step-up — 34.4 Deferred income tax (benefit) expense (61.3) 0.5 Share-based compensation expense 13.2 13.2 Changes in assets and liabilities, net of the effect of acquisitions: Decrease in accounts receivable 38.6 32.6 Decrease in inventories 24.3 14.0 (Decrease) increase in accounts payable (22.2) 10.7 (Decrease) increase in pension and other post-retirement benefits (15.1) 7.1 Taxes paid on gain on sale of business (104.1) (2.8) Accrued expenses and other assets and liabilities, net 63.2 (27.7) Net cash provided by operating activities 201.6 398.4 Investing activities Capital expenditures (119.4) (105.5) Business acquisitions, net of cash acquired — (1,426.1) Settlement of foreign exchange derivatives — 93.3 Net proceeds from divestiture 7.3 928.2 Proceeds from plant closures 7.6 6.1 Other investing activities 10.3 — Net cash used by investing activities (94.2) (504.0) Financing activities Debt offering proceeds — 1,300.0 Purchase of common shares for treasury — (36.4) Cash dividends paid (90.2) (86.8) Repayment of long-term debt (105.8) (956.8) Payments on withholding tax on share awards (3.4) (4.3) Debt financing costs (2.3) (49.3) Net cash (used) provided by financing activities (201.7) 166.4 Effect of exchange rate changes on cash (1.0) (20.9) (Decrease) increase in cash and cash equivalents (95.3) 39.9 Cash and cash equivalents at beginning of year 641.1 601.2 Cash and cash equivalents at end of year $ 545.8 $ 641.1 12 Attachment 6 Avient Corporation Business Segment Operations (Unaudited) (In millions) Operating income at the segment level does not include: special items as defined in Attachment 3; corporate general and administration costs that are not allocated to segments; intersegment sales and profit eliminations; share-based compensation costs; and certain other items that are not included in the measure of segment profit and loss that is reported to and reviewed by the chief operating decision maker.

Slide 5 - Business Segment and Data Recast for DSS Divestiture Reflects segment disclosures recast for DSS as a discontinued operation. Table of Contents POLYONE CORPORATION 3 GAAP Financial Information Recast for DSS Divestiture Sales 759.6$ 838.7$ 821.1$ 754.4$ 3,173.8$ 828.7$ 841.5$ 806.1$ 741.7$ 3,218.0$ 754.0$ 775.5$ 729.2$ 665.4$ 2,924.1$ Cost of sales 598.6 657.1 661.4 657.0 2,574.1 660.2 674.2 644.1 602.7 2,581.2 589.9 599.6 564.2 518.9 2,272.6 Gross margin 161.0 181.6 159.7 97.4 599.7 168.5 167.3 162.0 139.0 636.8 164.1 175.9 165.0 146.5 651.5 Selling and administrative 104.8 108.5 104.2 66.1 383.6 112.5 118.0 104.1 151.6 486.2 93.8 97.2 90.7 112.2 393.9 Income from equity affiliates and minority interest 0.1 - - 26.8 26.9 - - - - - - - - - - Operating income (loss) 56.3 73.1 55.5 58.1 243.0 56.0 49.3 57.9 (12.6) 150.6 70.3 78.7 74.3 34.3 257.6 Interest expense, net (15.6) (16.6) (15.9) (15.2) (63.3) (15.5) (15.7) (15.4) (15.5) (62.1) (16.1) (16.2) (16.2) (15.5) (64.0) Premium on early extinguishment of debt (10.6) - (5.2) - (15.8) - - - - - - - - (16.4) (16.4) Other income (expense), net 1.5 (1.3) (1.5) - (1.3) (0.7) (0.4) (1.6) (1.4) (4.1) (0.6) (1.2) (1.7) 0.3 (3.2) Income (loss) before income taxes 31.6 55.2 32.9 42.9 162.6 39.8 33.2 40.9 (29.5) 84.4 53.6 61.3 56.4 2.7 174.0 Income tax (expense) benefit (10.8) (21.6) (13.4) (16.6) (62.4) (10.7) (2.6) (12.0) 15.6 (9.7) (23.3) 4.3 (8.8) 2.3 (25.5) Net income (loss) from continuing operations 20.8 33.6 19.5 26.3 100.2 29.1 30.6 28.9 (13.9) 74.7 30.3 65.6 47.6 5.0 148.5 Net (loss) income from discontinued operations, net of income taxes (5.7) 147.0 3.3 (2.1) 142.5 0.1 0.9 3.8 (1.1) 3.7 (0.1) 1.4 (3.1) (2.0) (3.8) Net income (loss) 15.1 180.6 22.8 24.2 242.7 29.2 31.5 32.7 (15.0) 78.4 30.2 67.0 44.5 3.0 144.7 Less: Non-controlling interest 0.2 0.3 0.2 0.4 1.1 0.2 0.2 - 0.4 0.8 - (0.2) - 0.1 (0.1) Net income (loss) attributable to PolyOne common shareholders 15.3$ 180.9$ 23.0$ 24.6$ 243.8$ 29.4$ 31.7$ 32.7$ (14.6)$ 79.2$ 30.2$ 66.8$ 44.5$ 3.1$ 144.6$ Earnings per share attributable to PolyOne common shareholders - Basic Continuing operations 0.23$ 0.35$ 0.21$ 0.28$ 1.06$ 0.31$ 0.33$ 0.32$ (0.15)$ 0.82$ 0.34$ 0.73$ 0.55$ 0.06$ 1.69$ Discontinued operations (0.06)$ 1.50$ 0.03$ (0.02)$ 1.49$ -$ 0.01$ 0.04$ (0.01)$ 0.04$ -$ 0.02$ (0.04)$ (0.02)$ (0.04)$ Total 0.17$ 1.85$ 0.24$ 0.26$ 2.55$ 0.31$ 0.34$ 0.36$ (0.16)$ 0.86$ 0.34$ 0.75$ 0.51$ 0.04$ 1.65$ Earnings per share attributable to PolyOne common shareholders - Diluted Continuing operations 0.22$ 0.34$ 0.20$ 0.27$ 1.05$ 0.31$ 0.33$ 0.31$ (0.15)$ 0.81$ 0.34$ 0.73$ 0.54$ 0.06$ 1.67$ Discontinued operations (0.06)$ 1.49$ 0.04$ (0.02)$ 1.48$ -$ 0.01$ 0.04$ (0.01)$ 0.04$ -$ 0.01$ (0.04)$ (0.02)$ (0.04)$ Total 0.16$ 1.83$ 0.24$ 0.25$ 2.53$ 0.31$ 0.34$ 0.35$ (0.16)$ 0.85$ 0.34$ 0.74$ 0.50$ 0.04$ 1.63$ Sales 738.5$ 758.2$ 746.6$ 694.8$ 2,938.1$ 796.7$ Cost of sales 561.9 576.3 580.5 542.3 2,261.0 614.4 Gross margin 176.6 181.9 166.1 152.5 677.1 182.3 Selling and administrative 106.2 100.1 94.1 90.4 390.8 98.3 Operating income 70.4 81.8 72.0 62.1 286.3 84.0 Interest expense, net (14.6) (14.6) (15.1) (15.4) (59.7) (14.6) Premium on early extinguishment of debt - (0.4) - - (0.4) (0.3) Other income (expense), net - 0.1 (0.1) 0.4 0.4 (1.1) Income before income taxes 55.8 66.9 56.8 47.1 226.6 68.0 Income tax expense (17.6) (16.8) (14.0) (12.0) (60.4) (19.7) Net income from continuing operations 38.2 50.1 42.8 35.1 166.2 48.3 Net income (loss) from discontinued operations, net of income taxes 0.8 (0.1) (0.5) (1.4) (1.2) (1.4) Net income 39.0 50.0 42.3 33.7 165.0 46.9 Less: Non-controlling interest 0.1 - - 0.1 0.2 - Net income attributable to PolyOne common shareholders 39.1$ 50.0$ 42.3$ 33.8$ 165.2$ 46.9$ Earnings per share attributable to PolyOne common shareholders - Basic Continuing operations 0.45$ 0.59$ 0.51$ 0.43$ 1.98$ 0.58$ Discontinued operations 0.01$ -$ (0.01)$ (0.02)$ (0.01)$ (0.01)$ Total 0.46$ 0.59$ 0.50$ 0.41$ 1.97$ 0.57$ Earnings per share attributable to PolyOne common shareholders - Diluted Continuing operations 0.45$ 0.59$ 0.51$ 0.42$ 1.96$ 0.58$ Discontinued operations 0.01$ -$ (0.01)$ (0.02)$ (0.01)$ (0.01)$ Total 0.46$ 0.59$ 0.50$ 0.40$ 1.95$ 0.57$ POLYONE CORPORATION 4 Adjusted Financial Information Recast for DSS Divestiture Sales 759.6$ 838.7$ 821.1$ 754.4$ 3,173.8$ 828.7$ 841.5$ 806.1$ 741.7$ 3,218.0$ 754.0$ 775.5$ 729.2$ 665.4$ 2,924.1$ Cost of sales 601.6 670.6 656.6 606.9 2,535.7 656.0 660.1 637.0 592.6 2,545.7 588.7 597.4 561.0 511.0 2,258.1 Gross margin 158.0 168.1 164.5 147.5 638.1 172.7 181.4 169.1 149.1 672.3 165.3 178.1 168.2 154.4 666.0 Selling and administrative 102.4 106.2 107.6 107.5 423.7 109.6 108.4 100.0 94.5 412.5 91.6 93.1 88.1 96.5 369.3 Operating income 55.6 61.9 56.9 40.0 214.4 63.1 73.0 69.1 54.6 259.8 73.7 85.0 80.1 57.9 296.7 Interest expense, net (13.7) (16.6) (15.9) (15.2) (61.4) (15.5) (15.7) (15.4) (15.5) (62.1) (16.1) (16.2) (16.2) (15.5) (64.0) Other income (expense), net 0.1 (1.3) (1.5) - (2.7) (0.7) (0.9) (1.7) (1.5) (4.8) (0.6) (1.2) (1.8) 0.3 (3.3) Income before income taxes 42.0 44.0 39.5 24.8 150.3 46.9 56.4 52.0 37.6 192.9 57.0 67.6 62.1 42.7 229.4 Income tax expense (14.2) (16.1) (13.5) (9.8) (53.6) (14.9) (18.3) (16.6) (12.0) (61.8) (18.8) (21.3) (19.4) (12.1) (71.6) Adjusted net income from continuing operations 27.8 27.9 26.0 15.0 96.7 32.0 38.1 35.4 25.6 131.1 38.2 46.3 42.7 30.6 157.8 Less: Non-controlling interest 0.2 0.3 0.2 0.4 1.1 0.2 0.2 - 0.4 0.8 - (0.2) - 0.1 (0.1) Adjusted net income attributable to PolyOne common shareholders - continuing operations 28.0$ 28.2$ 26.2$ 15.4$ 97.8$ 32.2$ 38.3$ 35.4$ 26.0$ 131.9$ 38.2$ 46.1$ 42.7$ 30.7$ 157.7$ Adjusted earnings per share attributable to PolyOne common shareholders - Diluted 0.30$ 0.28$ 0.27$ 0.15$ 1.01$ 0.34$ 0.41$ 0.38$ 0.28$ 1.41$ 0.43$ 0.51$ 0.48$ 0.36$ 1.78$ Sales 738.5$ 758.2$ 746.6$ 694.8$ 2,938.1$ 796.7$ Cost of sales 557.8 576.5 576.1 540.7 2,251.1 612.0 Gross margin 180.7 181.7 170.5 154.1 687.0 184.7 Selling and administrative 100.0 93.9 88.3 94.9 377.1 99.0 Operating income 80.7 87.8 82.2 59.2 309.9 85.7 Interest expense, net (14.6) (14.6) (15.1) (15.4) (59.7) (14.6) Other (expense) income, net (0.2) 0.2 (0.1) 0.3 0.2 (1.2) Income before income taxes 65.9 73.4 67.0 44.1 250.4 69.9 Income tax expense (21.0) (23.1) (20.7) (11.5) (76.3) (20.7) Adjusted net income from continuing operations 44.9 50.3 46.3 32.6 174.1 49.2 Less: Non-controlling interest 0.1 - - 0.1 0.2 - Adjusted net income attributable to PolyOne common shareholders - continuing operations 45.0$ 50.3$ 46.3$ 32.7$ 174.3$ 49.2$ Adjusted earnings per share attributable to PolyOne common shareholders - Diluted 0.53$ 0.59$ 0.55$ 0.39$ 2.06$ 0.59$ POLYONE CORPORATION 5 Business Segment and Data Recast for DSS Divestiture Sales: Color, Additives and Inks 205.3 229.4 219.0 198.6 852.3 219.6 228.7 212.0 190.5 850.8 208.5 217.4 199.9 184.9 810.7 Specialty Engineered Materials 152.9 158.8 157.6 146.2 615.5 157.4 157.8 145.8 137.3 598.3 141.9 139.7 136.0 125.2 542.8 Performance Products and Solutions 166.6 210.3 207.4 188.9 773.2 207.6 211.2 213.0 184.8 816.6 175.9 190.3 175.2 152.7 694.1 PolyOne Distribution 268.0 275.1 275.0 257.1 1,075.2 284.1 287.0 280.5 262.8 1,114.4 265.7 266.8 259.5 242.1 1,034.1 Corporate and Eliminations (33.2) (34.9) (37.9) (36.4) (142.4) (40.0) (43.2) (45.2) (33.7) (162.1) (38.0) (38.7) (41.4) (39.5) (157.6) Sales 759.6 838.7 821.1 754.4 3,173.8 828.7 841.5 806.1 741.7 3,218.0 754.0 775.5 729.2 665.4 2,924.1 Gross Margin: Color, Additives and Inks 67.7 75.2 71.8 63.1 277.8 74.9 81.7 71.8 65.1 293.5 73.4 80.0 73.4 67.0 293.8 Specialty Engineered Materials 39.2 39.0 39.2 35.8 153.2 42.6 43.5 39.7 37.4 163.2 43.0 41.1 39.6 37.3 161.0 Performance Products and Solutions 24.0 26.9 27.6 23.5 102.0 28.0 29.0 29.2 22.8 109.0 22.5 27.4 27.2 24.8 101.9 PolyOne Distribution 28.2 28.1 27.6 24.7 108.6 29.8 28.8 29.3 26.1 114.0 27.8 30.2 29.4 27.2 114.6 Corporate and Eliminations 1.9 12.4 (6.5) (49.7) (41.9) (6.8) (15.7) (8.0) (12.4) (42.9) (2.6) (2.8) (4.6) (9.8) (19.8) Gross Margin 161.0 181.6 159.7 97.4 599.7 168.5 167.3 162.0 139.0 636.8 164.1 175.9 165.0 146.5 651.5 Selling and Administrative Expense: Color, Additives and Inks 43.5 44.3 42.9 43.1 173.8 44.5 44.0 41.7 38.4 168.6 39.6 40.4 38.9 39.5 158.4 Specialty Engineered Materials 23.4 24.0 24.6 24.0 96.0 24.3 24.6 21.3 20.6 90.8 19.9 21.0 19.6 20.9 81.4 Performance Products and Solutions 10.4 11.6 12.5 11.5 46.0 12.0 11.4 11.4 11.1 45.9 11.0 11.1 11.1 11.3 44.5 PolyOne Distribution 12.0 11.2 11.0 11.1 45.3 12.6 11.5 10.6 11.1 45.8 12.1 11.1 11.8 11.6 46.6 Corporate and Eliminations 15.5 17.4 13.2 (23.6) 22.5 19.1 26.5 19.1 70.4 135.1 11.2 13.6 9.3 28.9 63.0 Selling and Administrative Expense 104.8 108.5 104.2 66.1 383.6 112.5 118.0 104.1 151.6 486.2 93.8 97.2 90.7 112.2 393.9 Operating Income: Color, Additives and Inks 24.2 30.9 28.9 20.0 104.0 30.4 37.7 30.1 26.7 124.9 33.8 39.6 34.5 27.5 135.4 Specialty Engineered Materials 15.8 15.0 14.6 11.8 57.2 18.3 18.9 18.4 16.8 72.4 23.1 20.1 20.0 16.4 79.6 Performance Products and Solutions 13.6 15.3 15.1 12.0 56.0 16.0 17.6 17.8 11.7 63.1 11.5 16.3 16.1 13.5 57.4 PolyOne Distribution 16.2 16.9 16.6 13.6 63.3 17.2 17.3 18.7 15.0 68.2 15.7 19.1 17.6 15.6 68.0 Corporate and Eliminations (13.5) (5.0) (19.7) 0.7 (37.5) (25.9) (42.2) (27.1) (82.8) (178.0) (13.8) (16.4) (13.9) (38.7) (82.8) Operating Income (loss) 56.3 73.1 55.5 58.1 243.0 56.0 49.3 57.9 (12.6) 150.6 70.3 78.7 74.3 34.3 257.6 Sales: Color, Additives and Inks 204.9 212.2 195.9 184.7 797.7 211.8 Specialty Engineered Materials 141.0 143.3 146.2 135.3 565.8 159.1 Performance Products and Solutions 166.2 172.8 171.3 158.2 668.5 183.7 PolyOne Distribution 268.8 272.6 274.8 254.8 1,071.0 286.1 Corporate and Eliminations (42.4) (42.7) (41.6) (38.2) (164.9) (44.0) Sales 738.5 758.2 746.6 694.8 2,938.1 796.7 Gross Margin: Color, Additives and Inks 75.3 78.0 70.0 62.8 286.1 75.2 Specialty Engineered Materials 44.2 43.0 41.7 38.6 167.5 46.1 Performance Products and Solutions 32.4 33.0 29.2 26.6 121.2 33.9 PolyOne Distribution 30.7 29.5 29.6 27.3 117.1 31.4 Corporate and Eliminations (6.0) (1.6) (4.4) (2.8) (14.8) (4.3) Gross Margin 176.6 181.9 166.1 152.5 677.1 182.3 Selling and Administrative Expense: Color, Additives and Inks 40.4 39.8 38.6 39.8 158.6 40.1 Specialty Engineered Materials 20.8 21.6 21.2 22.8 86.4 22.5 Performance Products and Solutions 12.7 11.7 11.2 11.2 46.8 11.8 PolyOne Distribution 13.2 11.7 11.4 12.6 48.9 12.8 Corporate and Eliminations 19.1 15.3 11.7 4.0 50.1 11.1 Selling and Administrative Expense 106.2 100.1 94.1 90.4 390.8 98.3 Operating Income: Color, Additives and Inks 34.9 38.2 31.4 23.0 127.5 35.1 Specialty Engineered Materials 23.4 21.4 20.5 15.8 81.1 23.6 Performance Products and Solutions 19.7 21.3 18.0 15.4 74.4 22.1 PolyOne Distribution 17.5 17.8 18.2 14.7 68.2 18.6 Corporate and Eliminations (25.1) (16.9) (16.1) (6.8) (64.9) (15.4) Operating Income 70.4 81.8 72.0 62.1 286.3 84.0 POLYONE CORPORATION 6 Non-GAAP Reconciliations Sales 759.6 838.7 821.1 754.4 3,173.8 828.7 841.5 806.1 741.7 3,218.0 754.0 775.5 729.2 665.4 2,924.1 Gross margin - GAAP 161.0 181.6 159.7 97.4 599.7 168.5 167.3 162.0 139.0 636.8 164.1 175.9 165.0 146.5 651.5 Special items in gross margin (see slide 7) (3.0) (13.5) 4.8 50.1 38.4 4.2 14.1 7.1 10.1 35.5 1.2 2.2 3.2 7.9 14.5 Adjusted gross margin 158.0 168.1 164.5 147.5 638.1 172.7 181.4 169.1 149.1 672.3 165.3 178.1 168.2 154.4 666.0 Adjusted gross margin as a percent of sales 20.8% 20.0% 20.0% 19.6% 20.1% 20.8% 21.6% 21.0% 20.1% 20.9% 21.9% 23.0% 23.1% 23.2% 22.8% Operating income - GAAP 56.3 73.1 55.5 58.1 243.0 56.0 49.3 57.9 (12.6) 150.6 70.3 78.7 74.3 34.3 257.6 Special items in operating income (see slide 7) (0.7) (11.2) 1.4 (18.1) (28.6) 7.1 23.7 11.2 67.2 109.2 3.4 6.3 5.8 23.6 39.1 Adjusted operating income 55.6 61.9 56.9 40.0 214.4 63.1 73.0 69.1 54.6 259.8 73.7 85.0 80.1 57.9 296.7 Adjusted operating income as a percent of sales 7.3% 7.4% 6.9% 5.3% 6.8% 7.6% 8.7% 8.6% 7.4% 8.1% 9.8% 11.0% 11.0% 8.7% 10.1% Sales 738.5 758.2 746.6 694.8 2,938.1 796.7 Gross margin - GAAP 176.6 181.9 166.1 152.5 677.1 182.3 Special items in gross margin (see slide 7) 4.1 (0.2) 4.4 1.6 9.9 2.4 Adjusted gross margin 180.7 181.7 170.5 154.1 687.0 184.7 Adjusted gross margin as a percent of sales 24.5% 24.0% 22.8% 22.2% 23.4% 23.2% Operating income - GAAP 70.4 81.8 72.0 62.1 286.3 84.0 Special items in operating income (see slide 7) 10.3 6.0 10.2 (2.9) 23.6 1.7 Adjusted operating income 80.7 87.8 82.2 59.2 309.9 85.7 Adjusted operating income as a percent of sales 10.9% 11.6% 11.0% 8.5% 10.5% 10.8% POLYONE CORPORATION 7 Summary of Special Items Cost of sales: Restructuring Costs - - - (2.5) (2.5) (3.3) (13.2) (2.8) (7.4) (26.7) (0.2) (0.2) (1.0) (6.3) (7.7) Environmental remediation costs (2.0) (1.3) (4.8) (52.6) (60.7) (0.9) (0.9) (5.9) (2.6) (10.3) (1.5) (2.0) (4.3) (1.5) (9.3) Pension & other post-retirement benefits - mark-to-market adjustment - - - 1.6 1.6 - - - (2.0) (2.0) - - - (1.0) (1.0) Reimbursement of previously incurred environmental costs 5.2 14.9 - 3.4 23.5 - - 1.6 2.1 3.7 0.5 - 2.1 0.9 3.5 Acquisition related adjustments (0.2) (0.1) - - (0.3) - - - (0.2) (0.2) - - - - - Impact on cost of sales 3.0 13.5 (4.8) (50.1) (38.4) (4.2) (14.1) (7.1) (10.1) (35.5) (1.2) (2.2) (3.2) (7.9) (14.5) Selling and administrative expense: Restructuring, legal and other (2.3) (1.9) 4.1 (1.0) (1.1) (2.7) (9.3) (3.9) 1.0 (14.9) (1.9) (3.4) (1.8) (3.9) (11.0) Unrealized gain on foreign currency option contracts 0.4 0.2 0.3 0.2 1.1 - - - - - - - - - - Pension & other post-retirement benefits - mark-to-market adjustment - - 42.4 42.4 - - - (54.5) (54.5) - - - (10.6) (10.6) Acquisition/divestiture related costs (0.5) (0.6) (1.0) (0.2) (2.3) (0.2) (0.3) (0.2) (3.6) (4.3) (0.3) (0.7) (0.8) (1.2) (3.0) Impact on selling and administrative expense (2.4) (2.3) 3.4 41.4 40.1 (2.9) (9.6) (4.1) (57.1) (73.7) (2.2) (4.1) (2.6) (15.7) (24.6) Gain on sale of investment in equity affiliates 0.1 - - 26.8 26.9 - - - - - - - - - - Impact on operating income 0.7 11.2 (1.4) 18.1 28.6 (7.1) (23.7) (11.2) (67.2) (109.2) (3.4) (6.3) (5.8) (23.6) (39.1) - - - Debt extinguishment costs (10.6) - (5.2) - (15.8) - - - - - - - - (16.4) (16.4) Bridge loan commitment fees - interest expense (1.9) - - - (1.9) - - - - - - - - - - Other income (expense), net 1.4 - - - 1.4 - 0.5 0.1 0.1 0.7 - - 0.1 - 0.1 Impact on income before income taxes (10.4) 11.2 (6.6) 18.1 12.3 (7.1) (23.2) (11.1) (67.1) (108.5) (3.4) (6.3) (5.7) (40.0) (55.4) Income tax benefit on above special items 3.9 (5.3) 1.9 (7.1) (6.6) 2.6 10.5 4.5 24.0 41.6 1.4 1.7 1.0 14.6 18.7 Tax adjustments (0.5) (0.2) (1.8) 0.3 (2.2) 1.6 5.2 0.1 3.6 10.5 (5.9) 23.9 9.6 (0.2) 27.4 Impact of special items on net income (7.0) 5.7 (6.5) 11.3 3.5 (2.9) (7.5) (6.5) (39.5) (56.4) (7.9) 19.3 4.9 (25.6) (9.3) Diluted earnings per common share impact (0.08)$ 0.06$ (0.07)$ 0.12$ 0.04$ (0.03)$ (0.08)$ (0.07)$ (0.43)$ (0.60)$ (0.09)$ 0.22$ 0.06$ (0.30)$ (0.11)$ Cost of sales: Restructuring Costs 0.1 (1.0) - (0.2) (1.1) - Environmental remediation costs (1.7) (2.1) (2.4) (2.2) (8.4) (2.2) Pension & other post-retirement benefits - mark-to-market adjustment - - - 0.3 0.3 - Reimbursement of previously incurred environmental costs - 5.3 - 0.8 6.1 - Acquisition related adjustments (2.5) (2.0) (2.0) (0.3) (6.8) (0.2) Impact on cost of sales (4.1) 0.2 (4.4) (1.6) (9.9) (2.4) Selling and administrative expense: Restructuring, legal and other (5.9) (5.6) (5.3) (3.0) (19.8) 1.4 Unrealized gain on foreign currency option contracts - - - - - - Pension & other post-retirement benefits - mark-to-market adjustment - - - 8.1 8.1 - Acquisition/divestiture related costs (0.3) (0.6) (0.5) (0.6) (2.0) (0.7) Impact on selling and administrative expense (6.2) (6.2) (5.8) 4.5 (13.7) 0.7 Gain on sale of investment in equity affiliates - - - - - - Impact on operating income (10.3) (6.0) (10.2) 2.9 (23.6) (1.7) Debt extinguishment costs - (0.4) - - (0.4) (0.3) Bridge loan commitment fees - interest expense - - - - - - Other income (expense), net 0.2 (0.1) - 0.1 0.2 0.1 Impact on income before income taxes (10.1) (6.5) (10.2) 3.0 (23.8) (1.9) Income tax benefit on above special items 3.8 2.6 3.7 (1.8) 8.3 0.9 Tax adjustments (0.4) 3.7 3.0 1.3 7.6 0.1 Impact of special items on net income (6.7) (0.2) (3.5) 2.5 (7.9) (0.9) Diluted earnings per common share impact (0.08)$ -$ (0.04)$ 0.03$ (0.10)$ (0.01)$ Recast Financial Information for Discontinued Operations Table of Contents GAAP Financial Information Recast for DSS Divestiture Adjusted Financial Information Recast for DSS Divestiture Business Segment and Data Recast for DSS Divestiture Non-GAAP Reconciliations Summary of Special Items

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. 2) Tax adjustments include the net tax impact from non-recurring income tax items and certain adjustments to uncertain tax position reserves and valuation allowances. 9 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (In millions) (Unaudited) March 31, 2025 December 31, 2024 ASSETS Current assets: Cash and cash equivalents $ 456.0 $ 544.5 Accounts receivable, net 489.6 399.5 Inventories, net 372.8 346.8 Other current assets 111.9 131.3 Total current assets 1,430.3 1,422.1 Property, net 951.8 955.3 Goodwill 1,684.0 1,659.7 Intangible assets, net 1,464.5 1,450.4 Other non-current assets 280.6 323.6 Total assets $ 5,811.2 $ 5,811.1 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 7.8 $ 7.7 Accounts payable 422.2 417.4 Accrued expenses and other current liabilities 268.2 331.0 Total current liabilities 698.2 756.1 Non-current liabilities: Long-term debt 2,061.3 2,059.3 Deferred income taxes 268.0 260.4 Other non-current liabilities 469.3 405.7 Total non-current liabilities 2,798.6 2,725.4 SHAREHOLDERS' EQUITY Avient shareholders’ equity 2,298.3 2,313.8 Noncontrolling interest 16.1 15.8 Total equity 2,314.4 2,329.6 Total liabilities and equity $ 5,811.2 $ 5,811.1 10 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Three Months Ended March 31, 2025 2024 Operating activities Net (loss) income $ (19.9) $ 49.7 Adjustments to reconcile net (loss) income to net cash used by operating activities: Depreciation and amortization 45.3 44.3 Cloud-based enterprise resource planning system impairment 71.6 — Share-based compensation expense 2.4 3.3 Changes in assets and liabilities: Increase in accounts receivable (83.7) (81.9) Increase in inventories (20.3) (12.3) (Decrease) increase in accounts payable (1.0) 1.7 Environmental insurance recovery 34.0 — Decrease in incentive accruals (53.1) (16.8) Accrued expenses and other assets and liabilities, net (26.4) (30.8) Net cash used by operating activities (51.1) (42.8) Investing activities Capital expenditures (12.5) (24.4) Proceeds from plant closures — 2.0 Other investing activities — (2.1) Net cash used by investing activities (12.5) (24.5) Financing activities Payments on long-term borrowings — (2.7) Cash dividends paid (24.7) (23.5) Other financing activities (3.6) (1.9) Net cash used by financing activities (28.3) (28.1) Effect of exchange rate changes on cash 3.4 (6.1) Decrease in cash and cash equivalents (88.5) (101.5) Cash and cash equivalents at beginning of year 544.5 545.8 Cash and cash equivalents at end of period $ 456.0 $ 444.3 11 Attachment 6 Avient Corporation Business Segment Operations (Unaudited) (In millions) Operating income and earnings before interest, taxes, depreciation and amortization (EBITDA) at the segment level does not include: special items as defined in Attachment 3; corporate general and administration costs that are not allocated to segments; intersegment sales and profit eliminations; share-based compensation costs; and certain other items that are not included in the measure of segment profit and loss that is reported to and reviewed by the chief operating decision maker.

5. 5 मूल्य भेदभाव क्या है? 5.

Cette situation est particulièrement préoccupante s’il existe un pouvoir de monopole ou une part de marché élevée sur le marché de produits en cause. 5 5. En outre, documentez le fondement de toute décision commerciale indépendante qui, à l’avenir, pourrait faire l’objet de soupçons, de sorte que le dossier indique clairement qu’elle n’a pas été prise en vertu d’un accord avec un concurrent. 5.

MARINE PLYWOOD Hammerhead™ panels are three times lighter than marine plywood MOISTURE ABSORPTION % weight change due to water absorption for selected composites and marine plywood 10000 60000 110000 160000 210000 260000 310000 360000 0.5 0.75 1 1.25 1.5 F le x u ra l R it y - lb / 2 Panel Thickness - in Hammerhead™ 5.3lb/in^3 Core Density Hammerhead™ 8.4lb/in^3 Core Density Plywood — Hammerhead™ 5.3 lb/ft3 Core Density — Hammerhead™ 8.4 lb/ft3 Core Density — Marine Plywood 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 0 10 20 30 40 50 60 70 80 90 100 % W t C a g Immersion Time - Days .50" Hammerhead™ .75" Hammerhead™ 1" Hammerhead™ 1.50" Hammerhead™ .50" marine plywood .75" marine plywood 1" marine plywood Fl ex ur al R ity - lb -in 2 INSTALLATION INSTRUCTIONS CUTTING & DRILLING Recommended blade: Industrial fine cut-off saw blade, 10" x 80 teeth 38° ATB grind with 5/8" bore, PTFE coating Recommended router bits: 3/8" diameter, 4 flute TiAlN (titanium aluminum nitride) coated carbide bit FORMING Apply localized 400˚F heat at a length proportional to the panel thickness (see equation below) and bend to shape.

utm_source=eBook&utm_id=rPET Button 92: Button 93: Button 3: Button 83: Button 5: Button 6: Button 66: Button 67: Button 68: Button 69: Button 70: Button 71: Button 72: Button 73: Button 74: Button 75: Button 76: Button 77: Button 78: Button 79: Button 84: Button 85: Button 86: Button 87: Button 88: Button 89: Button 90: Button 91: Button 80:

Buyer assumes all risk of infringement of third-party intellectual property rights by reason of any use Buyer makes of the Product in combination with other substances or in the operation of any process, and all infringement arising out of Seller’s compliance with Buyer’s designs, specifications or instructions, and Buyer shall defend, indemnify and hold Seller harmless from and against the same. 5.

Attachment 5