Physical Property of TPE-1 and TPE-2 Properties TPE-1A TPE-1B TPE-2A TPE-2B Shore A Hardness (10 second delay) 44 43 51 56 Specific Gravity (g/cm3) 0.90 0.92 0.93 0.93 300 % Modulus (MPa) 2.4 3.2 3.0 3.6 Tensile Strength (MPa) 4.1 5.2 7.0 7.5 Elongation at Break (%) 598 500 721 713 Tear Strength (N/mm) 19 20 24.5 23 Table 2. T P E-1A T P E-1A T P E-1B T P E-1B 4.1 4.2 2.5 2.3 5.2 5.5 3.2 3.3 TPE-1A, -1B Tensile Properties 0 500 El on ga tio n at b re ak (% ) 7 days at RT 7 days at 70C TPE-1A TPE-1B 574 569 564 546 TPE-1A, -1B Tensile Properties 0 10 20 Te ar s tr en gt h (N /m m ) 7 days at RT 7 days at 70C TPE-1A TPE-1B 22.6 20.2 21.5 21.5

INDUSTRY BULLETIN STANDARD UNITS ONFLEX LO 7120-45N Volatile Organic Compounds VDA 278 ug/g(ppm) 41 Fogging VDA 278 ug/g(ppm) 521 Odor • Control • Dry conditions • Wet conditions SAE J1351 (15) 1-10 Scale 1 2 1 Compression Set (23°C) • 22 hours • 70 hours ASTM D395 % 14.4 14.6 Capillary Viscosity • 1341/s • 11170/s ASTM D3835 Pa*s 35 7 HVAC SYSTEMS OnFlex™ LO • Features: low VOC/FOG, low odor, good compression set, easy processing, overmolds to polypropylene • Example applications: seals and flaps in heating, ventilation and air conditioning systems CHARACTERISTICS ONFLEX™ LO ONFLEX™ AF TPE GENERAL PURPOSE TPV TPO Volatile Organic Compounds (VDA 278) Very Low Moderate Moderate Moderate Very Low Fogging (VDA 278 & DIN 75201) Very Low Moderate Moderate High Very Low Odor (VDA 270 Requirement ≤3.0) ≤3.0 ≤3.0 >3 >3 ≤3.0 Gloss Level Low Low Low Very Low High Tactile Feel Grippy Grippy Grippy Grippy Waxy Pre-Drying Required No No No Yes No Raw Material Costs $$ $$ $$ $$$ $ Compression Set @ RT Good Good Good Excellent N/A Compression Set @ ≥70°C Moderate Moderate Moderate Good N/A UV Resistance Good Excellent Good Good Good Weatherability Good Excellent Good Good Good Hardness Range Low to High Low to High Low to High Low to High High Density (g/ml) 1.15 0.99 0.90–1.20 0.95–0.98 0.90–1.20 GENERAL CHARACTERISTICS COMPARING TPE, TPV, TPO Grades shown on both pages are representative of solutions manufactured in North America, more grades available globally.

• • • 測試方法：FTTS-FA-010-2007 4.2 設備：紅外線熱像儀 熱源：500W鹵素燈 熱輻射距離：100 cm 加入Cesa紅外蓄熱纖維添加劑 加熱10分鐘後表面溫度：33.85°C 溫度變化：+13.6°C 測試方法 0.9 9°C 8.9°C 5.6°C 0.625 +12.9% +13.6% +1.7% www.avient.com 標準要求 測試結果 GB/T 30127 遠紅外線性能 GB/T 18319-2019 光蓄熱性能 FTTS-FA-010 紅外線性能及蓄熱升溫 GB/T 11048-2008 Method A 熱舒適性 熱阻性能 單位：CLO 人體生理實驗 遠紅外線發射率 ≥0.88 (5-14um) （測試溫度:34°C） 遠紅外線輻射溫升值 ≥1.4°C 最高允許溫升值 ≥6°C 平均溫升值 ≥4.4°C（20分鐘） 平均發射率 ≥ 0.8 (2-22um) （測試溫度: 25°C) 0.81 規定加熱ΔT ≥ 0.5°C （相對於標準） +5.34°C (ΔT) 裸體：0 內褲：0.04 T恤：0.09 厚毛衣：0.35 冬季大衣：0.7 上述所有資料均為參考值 血流量 血流速 血氧濃度（%SpO2） 請聯絡您的埃萬特業務代表以了解 您所在國家或地區是否有售。

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Nicht mehr Geschäftsführer: Katsers, Guy, Clervaux / Belgien, *26.06.1950 a) 17.11.2016 Rinke 8 b) Vertretungsbefugnis geändert (Einzelvertretungsbefugnis entfallen) bei Geschäftsführer: Machin, Genevieve Elizabeth, Luxembourg / Luxemburg, *31.03.1972 mit der Befugnis, im Namen der Gesellschaft mit sich im eigenen Namen oder als Vertreter eines Dritten Rechtsgeschäfte abzuschließen. a) 02.02.2017 Rinke 9 b) Berichtigung von Amts wegen zur Geschäftsanschrift: Adolf-Dambach-Str. 2, 76571 Gaggenau a) 06.06.2018 Rinke 10 b) Bestellt als Geschäftsführer: a) 25.03.2019 Rinke Abruf vom 08.11.2021 19:52 Handelsregister B des Amtsgerichts Mannheim Nummer der Firma: Seite 4 von 4 HRB 521568 Nummer der Eintragung a) Firma b) Sitz, Niederlassung, inländische Geschäftsanschrift, empfangsberechtigte Person, Zweigniederlassungen c) Gegenstand des Unternehmens Grund- oder Stammkapital a) Allgemeine Vertretungsregelung b) Vorstand, Leitungsorgan, geschäftsführende Direktoren, persönlich haftende Gesellschafter, Geschäftsführer, Vertretungsberechtigte und besondere Vertretungsbefugnis Prokura a) Rechtsform, Beginn, Satzung oder Gesellschaftsvertrag b) Sonstige Rechtsverhältnisse a) Tag der Eintragung b) Bemerkungen 1 2 3 4 5 6 7 Potoczny, Zaneta Gabriela, Mersch / Luxemburg, *17.10.1974 mit der Befugnis, im Namen der Gesellschaft mit sich im eigenen Namen oder als Vertreter eines Dritten Rechtsgeschäfte abzuschließen.

The resolution was adopted pursuant to Ohio Revised Code section 1701.70(B) (In this space insert the number 1 through 10 to provide basis for adoption.)

Si les parties ne réussissent pas à se mettre d'accord à ce sujet pour appliquer de tels changements dans les soixante (60) jours suivant cette notification, le Vendeur aura alors le droit de résilier la (les) commande(s) concernée(s) immédiatement par notification écrite à l'Acheteur. 10. L'Acheteur doit informer le Vendeur de cette acquisition dans les dix (10) jours qui suivent. Dans les dix (10) jours suivant la réception de cette notification, le Vendeur peut exercer son droit de résilier la confirmation de commande en adressant à l'Acheteur une notification écrite. 21.

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. # # # 7 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, 2022 2021 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net (loss) income from continuing operations attributable to Avient shareholders $ (17.0) $ (0.19) $ 11.2 $ 0.12 Special items, after tax (Attachment 3) 38.3 0.42 23.9 0.26 Amortization expense, after-tax 14.6 0.16 11.3 0.12 Adjusted net income / EPS $ 35.9 $ 0.39 $ 46.4 $ 0.50 (1) Per share amounts may not recalculate from figures presented herein due to rounding Year Ended December 31, 2022 2021 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 82.8 $ 0.90 $ 151.8 $ 1.65 Special items, after tax (Attachment 3) 116.2 1.26 50.0 0.54 Amortization expense, after-tax 49.0 0.53 44.9 0.49 Adjusted net income / EPS $ 248.0 $ 2.69 $ 246.7 $ 2.68 (1) Per share amounts may not recalculate from figures presented herein due to rounding 9 Attachment 2 Avient Corporation Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended December 31, Year Ended December 31, 2022 2021 2022 2021 Sales $ 790.4 $ 807.1 $ 3,396.9 $ 3,315.5 Cost of sales 618.4 590.5 2,514.2 2,371.7 Gross margin 172.0 216.6 882.7 943.8 Selling and administrative expense 171.6 166.4 639.4 664.1 Operating income 0.4 50.2 243.3 279.7 Interest expense, net (49.4) (17.5) (119.8) (75.2) Other expense, net (28.4) (5.3) (59.7) (1.0) (Loss) income from continuing operations before income taxes (77.4) 27.4 63.8 203.5 Income tax benefit (expense) 60.8 (17.1) 19.3 (51.9) Net (loss) income from continuing operations (16.6) 10.3 83.1 151.6 Income from discontinued operations, net of income taxes 561.5 18.7 620.3 79.0 Net income 544.9 29.0 703.4 230.6 Net (income) loss attributable to noncontrolling interests (0.4) 0.9 (0.3) 0.2 Net income attributable to Avient common shareholders $ 544.5 $ 29.9 $ 703.1 $ 230.8 Earnings per share attributable to Avient common shareholders - Basic: Continuing operations $ (0.19) $ 0.12 $ 0.91 $ 1.66 Discontinued operations 6.17 0.21 6.80 0.87 Total $ 5.98 $ 0.33 $ 7.71 $ 2.53 Earnings per share attributable to Avient common shareholders - Diluted: Continuing operations $ (0.19) $ 0.12 $ 0.90 $ 1.65 Discontinued operations 6.17 0.20 6.73 0.86 Total $ 5.98 $ 0.32 $ 7.63 $ 2.51 Cash dividends declared per share of common stock $ 0.2475 $ 0.2375 $ 0.9600 $ 0.8750 Weighted-average shares used to compute earnings per common share: Basic 91.0 91.5 91.2 91.4 Diluted 91.0 92.4 92.2 92.1 10 Attachment 3 Avient Corporation Summary of Special Items (Unaudited) (In millions, except per share data) Special items (1) Three Months Ended December 31, Year Ended December 31, 2022 2021 2022 2021 Cost of sales: Restructuring costs, including accelerated depreciation $ (21.3) $ (6.0) $ (31.1) $ (14.6) Environmental remediation costs (0.4) (0.5) (24.2) (22.9) Reimbursement of previously incurred environmental costs — — 8.3 4.5 Acquisition related costs (23.8) 0.6 (34.1) (0.6) Impact on cost of sales (45.5) (5.9) (81.1) (33.6) Selling and administrative expense: Restructuring, legal and other (8.3) (4.2) (8.3) (5.9) Acquisition related costs (6.1) (1.1) (19.3) (8.3) Impact on selling and administrative expense (14.4) (5.3) (27.6) (14.2) Impact on operating income (59.9) (11.2) (108.7) (47.8) Interest expense, net - committed financing and debt extinguishment (16.0) — (26.0) — Mark-to-market on derivatives — — (30.9) — Pension and post retirement mark-to-market adjustment and other (28.4) (9.3) (28.4) (9.3) Impact on Other expense, net (28.4) (9.3) (59.3) (9.3) Impact on income from continuing operations before income taxes (104.3) (20.5) (194.0) (57.1) Income tax benefit benefit/(expense) on above special items 26.8 4.1 49.4 13.0 Tax adjustments(2) 39.2 (7.5) 28.4 (5.9) Impact of special items on net income from continuing operations $ (38.3) $ (23.9) $ (116.2) $ (50.0) Diluted earnings per common share impact $ (0.42) $ (0.26) $ (1.26) $ (0.54) Weighted average shares used to compute adjusted earnings per share: Diluted 91.7 92.4 92.2 92.1 (1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; settlement gains or losses and mark-to- market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results. (2) Tax adjustments include the net tax benefit/(expense) from non-recurring income tax items, adjustments to uncertain tax position reserves and deferred income tax valuation allowances. 11 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (Unaudited) (In millions) Year Ended December 31, 2022 2021 ASSETS Current assets: Cash and cash equivalents $ 641.1 $ 601.2 Accounts receivable, net 440.6 439.9 Inventories, net 372.7 305.8 Current assets held for sale — 360.2 Other current assets 115.3 119.9 Total current assets 1,569.7 1,827.0 Property, net 1,049.2 672.3 Goodwill 1,671.9 1,284.8 Intangible assets, net 1,597.6 925.2 Operating lease assets, net 60.4 58.2 Non-current assets held for sale — 22.0 Other non-current assets 136.2 207.7 Total assets $ 6,085.0 $ 4,997.2 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 2.2 $ 8.6 Accounts payable 454.4 429.5 Current operating lease obligations 17.0 21.1 Current liabilities held for sale — 141.3 Accrued expenses and other current liabilities 395.8 340.2 Total current liabilities 869.4 940.7 Non-current liabilities: Long-term debt 2,176.7 1,850.3 Pension and other post-retirement benefits 67.2 99.9 Deferred income taxes 342.5 100.6 Non-current operating lease obligations 40.9 37.3 Non-current liabilities held for sale — 13.1 Other non-current liabilities 235.5 164.8 Total non-current liabilities 2,862.8 2,266.0 SHAREHOLDERS' EQUITY Avient shareholders’ equity 2,334.5 1,774.7 Noncontrolling interest 18.3 15.8 Total equity 2,352.8 1,790.5 Total liabilities and equity $ 6,085.0 $ 4,997.2 12 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Year Ended December 31, 2022 2021 Operating activities Net income $ 703.4 $ 230.6 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 157.6 144.2 Accelerated depreciation 5.5 1.7 Amortization of inventory step-up 34.4 1.5 Deferred income tax expense (benefit) 0.5 (27.3) Share-based compensation expense 13.2 11.2 Changes in assets and liabilities, net of the effect of acquisitions: Decrease (increase) in accounts receivable 32.6 (143.1) Decrease (increase) in inventories 14.0 (141.0) Increase in accounts payable 10.7 95.3 Increase (decrease) in pension and other post-retirement benefits 7.1 (10.9) Taxes paid on gain on divestiture (2.8) — (Decrease) increase in accrued expenses and other assets and liabilities, net (27.7) 71.6 Net cash provided by operating activities 398.4 233.8 Investing activities Capital expenditures (105.5) (100.6) Business acquisitions, net of cash acquired (1,426.1) (47.6) Settlement of foreign exchange derivatives 93.3 — Proceeds from divestiture 928.2 — Other investing activities 6.1 (2.0) Net cash used by investing activities (504.0) (150.2) Financing activities Debt offering proceeds 1,300.0 — Purchase of common shares for treasury (36.4) (4.2) Cash dividends paid (86.8) (77.7) Repayment of long-term debt (956.8) (18.5) Payments on withholding tax on share awards (4.3) (10.7) Debt financing costs (49.3) — Other financing activities — (3.5) Net cash provided (used) by financing activities 166.4 (114.6) Effect of exchange rate changes on cash (20.9) (17.3) Increase (decrease) in cash and cash equivalents 39.9 (48.3) Cash and cash equivalents at beginning of year 601.2 649.5 Cash and cash equivalents at end of year $ 641.1 $ 601.2 13 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.

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 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Three Months Ended June 30, 2022 Three Months Ended June 30, 2021 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income attributable to Avient shareholders $ 84.7 $ 0.92 $ 68.8 $ 0.74 Special items, after tax (Attachment 3) 5.1 0.06 11.7 0.13 Adjusted net income / EPS - excluding special items $ 89.8 $ 0.98 $ 80.5 $ 0.87 Six months ended June 30, 2022 Six months ended June 30, 2021 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income attributable to Avient shareholders $ 168.9 $ 1.83 $ 148.1 $ 1.60 Special items, after tax (Attachment 3) 12.3 0.13 14.3 0.16 Adjusted net income / EPS - excluding special items $ 181.2 $ 1.96 $ 162.4 $ 1.76 7 Attachment 2 Avient Corporation Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended June 30, Six Months Ended June 30, 2022 2021 2022 2021 Sales $ 1,302.4 $ 1,235.2 $ 2,596.2 $ 2,397.5 Cost of sales 998.6 946.5 1,998.7 1,806.4 Gross margin 303.8 288.7 597.5 591.1 Selling and administrative expense 174.3 180.6 339.4 362.6 Operating income 129.5 108.1 258.1 228.5 Interest expense, net (16.2) (19.5) (33.1) (38.8) Other income, net 1.4 1.2 0.8 2.7 Income before income taxes 114.7 89.8 225.8 192.4 Income tax expense (30.0) (20.4) (56.6) (43.3) Net income 84.7 69.4 169.2 149.1 Net income attributable to noncontrolling interests — (0.6) (0.3) (1.0) Net income attributable to Avient shareholders $ 84.7 $ 68.8 $ 168.9 $ 148.1 Earnings per share attributable to Avient common shareholders - Basic $ 0.93 $ 0.75 $ 1.85 $ 1.62 Earnings per share attributable to Avient common shareholders - Diluted $ 0.92 $ 0.74 $ 1.83 $ 1.60 Cash dividends declared per share of common stock $ 0.2375 $ 0.2125 $ 0.4750 $ 0.4250 Weighted-average shares used to compute earnings per common share: Basic 91.4 91.3 91.4 91.3 Diluted 92.1 92.4 92.2 92.3 8 Attachment 3 Avient Corporation Summary of Special Items (Unaudited) (In millions, except per share data) Special items (1) Three Months Ended June 30, Six Months Ended June 30, 2022 2021 2022 2021 Cost of sales: Restructuring costs, including accelerated depreciation and amortization $ (2.6) $ (1.5) $ (7.0) $ (3.3) Environmental remediation costs (3.0) (12.5) (5.0) (13.0) Reimbursement of previously incurred environmental costs 7.6 — 8.2 4.5 Acquisition related costs — 1.4 — 1.4 Impact on cost of sales 2.0 (12.6) (3.8) (10.4) Selling and administrative expense: Restructuring, legal and other (4.2) (0.4) (3.3) (1.7) Acquisition related costs (2.1) (1.2) (5.0) (4.5) Impact on selling and administrative expense (6.3) (1.6) (8.3) (6.2) Impact on operating income (4.3) (14.2) (12.1) (16.6) Other income, net — — 0.1 — Mark-to-market on cross-currency swaps 0.9 — 0.9 — Impact on income before income taxes (3.4) (14.2) (11.1) (16.6) Income tax benefit on above special items 0.8 3.4 2.8 4.3 Tax adjustments(2) (2.5) (0.9) (4.0) (2.0) Impact of special items on net income attributable to Avient Shareholders $ (5.1) $ (11.7) $ (12.3) $ (14.3) Diluted earnings per common share impact $ (0.06) $ (0.13) $ (0.13) $ (0.16) Weighted average shares used to compute adjusted earnings per share: Diluted 92.1 92.4 92.2 92.3 (1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; settlement gains or losses and mark-to- market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results. (2) Tax adjustments include the net tax benefit/(expense) from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments. 9 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (In millions) (Unaudited) June 30, 2022 December 31, 2021 ASSETS Current assets: Cash and cash equivalents $ 645.1 $ 601.2 Accounts receivable, net 752.6 642.3 Inventories, net 494.0 461.1 Other current assets 128.4 122.4 Total current assets 2,020.1 1,827.0 Property, net 638.9 676.1 Goodwill 1,256.8 1,286.4 Intangible assets, net 867.2 925.2 Operating lease assets, net 62.7 74.1 Other non-current assets 197.9 208.4 Total assets $ 5,043.6 $ 4,997.2 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 607.7 $ 8.6 Accounts payable 634.0 553.9 Current operating lease obligations 21.4 24.2 Accrued expenses and other current liabilities 307.5 353.9 Total current liabilities 1,570.6 940.6 Non-current liabilities: Long-term debt 1,249.1 1,850.3 Pension and other post-retirement benefits 95.0 100.0 Deferred income taxes 106.6 100.6 Non-current operating lease obligations 41.8 50.1 Other non-current liabilities 154.7 165.1 Total non-current liabilities 1,647.2 2,266.1 SHAREHOLDERS' EQUITY Avient shareholders’ equity 1,809.7 1,774.7 Noncontrolling interest 16.1 15.8 Total equity 1,825.8 1,790.5 Total liabilities and equity $ 5,043.6 $ 4,997.2 10 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Six Months Ended June 30, 2022 2021 Operating Activities Net income $ 169.2 $ 149.1 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 71.1 69.5 Accelerated depreciation and amortization 3.2 1.4 Share-based compensation expense 6.3 5.6 Changes in assets and liabilities, net of the effect of acquisitions: Increase in accounts receivable (133.2) (196.1) Increase in inventories (45.9) (88.1) Increase in accounts payable 98.5 108.4 Decrease in pension and other post-retirement benefits (9.9) (9.2) (Decrease) increase in accrued expenses and other assets and liabilities, net (52.6) 27.5 Net cash provided by operating activities 106.7 68.1 Investing activities Capital expenditures (34.0) (42.1) Settlement of cross-currency swaps 75.1 — Net cash proceeds used by other assets — (2.0) Net cash provided (used) by investing activities 41.1 (44.1) Financing activities Purchase of common shares for treasury (36.4) (4.2) Cash dividends paid (43.5) (38.8) Repayment of long-term debt (4.4) (4.4) Payments of withholding tax on share awards (4.1) (4.2) Net cash used by financing activities (88.4) (51.6) Effect of exchange rate changes on cash (15.5) (5.7) Increase (decrease) in cash and cash equivalents 43.9 (33.3) Cash and cash equivalents at beginning of year 601.2 649.5 Cash and cash equivalents at end of period $ 645.1 $ 616.2 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.

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. Three Months Ended March 31, 2021 Three Months Ended March 31, 2020 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income from continuing operations attributable to Avient shareholders $ 79.3 $ 0.86 $ 33.1 $ 0.38 Special items, after tax (Attachment 3) 2.6 0.03 8.6 0.10 Adjusted net income / EPS - excluding special items $ 81.9 $ 0.89 $ 41.7 $ 0.48 7 Attachment 2 Avient Corporation Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended March 31, 2021 2020 Sales $ 1,162.3 $ 711.5 Cost of sales 859.9 540.0 Gross margin 302.4 171.5 Selling and administrative expense 182.0 118.7 Operating income 120.4 52.8 Interest expense, net (19.3) (9.4) Other income, net 1.5 1.6 Income from continuing operations before income taxes 102.6 45.0 Income taxes (22.9) (11.9) Net income from continuing operations 79.7 33.1 Loss from discontinued operations, net of income taxes — (0.3) Net income 79.7 32.8 Net income attributable to noncontrolling interests (0.4) — Net income attributable to Avient common shareholders $ 79.3 $ 32.8 Earnings per share attributable to Avient common shareholders - Basic: Continuing operations $ 0.87 $ 0.38 Discontinued operations — — Total $ 0.87 $ 0.38 Earnings per share attributable to Avient common shareholders - Diluted: Continuing operations $ 0.86 $ 0.38 Discontinued operations — — Total $ 0.86 $ 0.38 Cash dividends declared per share of common stock $ 0.2125 $ 0.2025 Weighted-average shares used to compute earnings per common share: Basic 91.3 86.3 Diluted 92.2 86.7 8 Attachment 3 Avient Corporation Summary of Special Items (Unaudited) (In millions, except per share data) Special items (1) Three Months Ended March 31, 2021 2020 Cost of sales: Restructuring costs, including accelerated depreciation and amortization $ (1.8) $ — Environmental remediation costs (0.5) (0.4) Reimbursement of previously incurred environmental costs 4.5 0.2 Impact on cost of sales 2.2 (0.2) Selling and administrative expense: Restructuring, legal and other (1.3) (1.8) Acquisition earn-out adjustments — (1.0) Acquisition related costs (3.3) (6.7) Impact on selling and administrative expense (4.6) (9.5) Impact on operating income (2.4) (9.7) Other income, net — 0.1 Impact on income from continuing operations before income taxes (2.4) (9.6) Income tax benefit on above special items 0.9 2.0 Tax adjustments(2) (1.1) (1.0) Impact of special items on net income from continuing operations attributable to Avient Shareholders $ (2.6) $ (8.6) Diluted earnings per common share impact $ (0.03) $ (0.10) Weighted average shares used to compute adjusted earnings per share: Diluted 92.2 86.7 (1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; settlement gains or losses and mark-to- market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results. (2) Tax adjustments include the net tax benefit/(expense) from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments. 9 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (In millions) (Unaudited) March 31, 2021 December 31, 2020 ASSETS Current assets: Cash and cash equivalents $ 594.5 $ 649.5 Accounts receivable, net 642.2 516.6 Inventories, net 357.0 327.5 Other current assets 122.7 108.5 Total current assets 1,716.4 1,602.1 Property, net 675.5 694.9 Goodwill 1,281.9 1,308.1 Intangible assets, net 973.3 1,008.5 Operating lease assets, net 80.9 80.9 Other non-current assets 181.4 176.0 Total assets $ 4,909.4 $ 4,870.5 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 18.8 $ 18.6 Accounts payable 529.6 471.7 Current operating lease obligations 24.3 25.1 Accrued expenses and other current liabilities 290.9 285.6 Total current liabilities 863.6 801.0 Non-current liabilities: Long-term debt 1,852.7 1,854.0 Pension and other post-retirement benefits 111.3 115.0 Non-current operating lease obligations 56.8 56.0 Other non-current liabilities 303.0 332.8 Total non-current liabilities 2,323.8 2,357.8 SHAREHOLDERS' EQUITY Avient shareholders’ equity 1,707.0 1,697.1 Noncontrolling interest 15.0 14.6 Total equity 1,722.0 1,711.7 Total liabilities and equity $ 4,909.4 $ 4,870.5 10 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Three Months Ended March 31, 2021 2020 Operating Activities Net income $ 79.7 $ 32.8 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 36.6 19.9 Accelerated depreciation and amortization 0.5 — Share-based compensation expense 2.7 2.1 Changes in assets and liabilities, net of the effect of acquisitions: Increase in accounts receivable (137.6) (56.9) Increase in inventories (35.1) (13.0) Increase in accounts payable 67.3 44.6 Decrease in pension and other post-retirement benefits (7.1) (3.2) Increase in post-acquisition earnout liabilities — 1.0 Decrease in accrued expenses and other assets and liabilities, net (3.4) (19.1) Payment of post-acquisition date earnout liability — (21.0) Net cash provided (used) by operating activities 3.6 (12.8) Investing activities Capital expenditures (16.5) (11.1) Net proceeds from divestiture — 7.1 Net proceeds (used) provided by other assets (2.0) 5.2 Net cash (used) provided by investing activities (18.5) 1.2 Financing activities Purchase of common shares for treasury (4.2) (13.6) Cash dividends paid (19.5) (15.6) Repayment of long-term debt (2.3) (2.0) Payments of withholding tax on share awards (3.1) (1.3) Equity offering proceeds, net of underwriting discount and issuance costs — 496.3 Payment of acquisition date earnout liability — (32.9) Net cash (used) provided by financing activities (29.1) 430.9 Effect of exchange rate changes on cash (11.0) (3.8) (Decrease) increase in cash and cash equivalents (55.0) 415.5 Cash and cash equivalents at beginning of year 649.5 864.7 Cash and cash equivalents at end of period $ 594.5 $ 1,280.2 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.