Jeddah, Saudi Arabia 9. Hickory, North Carolina 9. On December 9, 2020, we announced that we would increase our share buyback by an additional 5.0 million shares.

POLYONE CORPORATION 9 ITEM 1A. Louis, Missouri Jersey 5.La Mirada, Tennessee 4.Gaggenau, Germany 5.Sullivan, Missouri 5.Statesville, North California 7.Pasadena, Texas 5.Istanbul, Turkey 6.Massillon, Ohio Carolina 6.Manitowoc, 8.Seabrook, Texas 6.Barbastro, Spain 7.Norwalk, Ohio 6.Elyria, Ohio Wisconsin 9.Orangeville, Ontario, 7.Melle, Germany 8.North Baltimore, 7.La Porte, Texas 7.McMinnville, Canada 8 & 9. 9) Included for the first quarter 2013 are: 1) $9.9 million in employee separation and restructuring costs 2) acquisition and divestiture-related costs of $8.7 million, 3) environmental remediation costs of $2.0 million, 4) a gain related to the reimbursement of previously incurred environmental costs of $5.2 million and 5) $10.6 million in debt extinguishment costs related to the early retirement of our senior secured term loan. 78 POLYONE CORPORATION ITEM 9.

In the event of Buyer’s breach or failure to perform, Seller shall be entitled to (but is not required to) re- cover from Buyer, in addition to any other damages caused by such action: (i) in the case of Products produced specifically for Buyer or which reasonably cannot be resold by Seller to a third party, the price of such Products as quoted in Seller’s order con- firmation; or (ii) in the case of Products which can be resold by Seller, damages equal to fifty percent (50%) of the price for the Products as quoted in Seller’s order confirmation, as liquidated damages. 9. I händelse av Köparens avtalsbrott eller underlåten fullgörelse ska Säljaren ha rätt (men inte vara skyldig) att återkräva från Köparen, utöver eventuella andra skador som orsakats av en sådan åtgärd: (i) när det gäller Produkter som tillverkats specifikt för Köparen eller som rimligen inte kan säljas vidare av Säljaren till en tredje part, priset för sådana Produkter som anges i Säljarens orderbekräftelse; eller (ii) när det gäller Produkter som kan säljas vidare av Säljaren, ersättning motsvarande femtio procent (50%) av priset för Produkterna som anges i Säljarens orderbekräftelse, såsom vite. 9.

وفي حالة إخالل المشتري من المشتري، باإلضافة أن یستردلكنھ غیر ملزم) (و ، یحق للبائعاألداءأو عدم ) في حالة المنتجات التي 1: (التصرفأي أضرار أخرى وقعت نتیجة ذلك إلى للمشتري أو التي ال یمكن بشكل معقول للبائع إعادة بیعھا إلى الغیر، خصیًصاتُنتج ) أو في حالة المنتجات 2سعر المنتجات الوارد في تأكید الطلب الخاص بالبائع، ( %) من 50التي تعادل خمسین بالمائة ( التعویضاتالتي یمكن للبائع إعادة بیعھا، ر المنتجات الوارد في تأكید الطلب الخاص بالبائع، في صورة تعویضات سع اتفاقیة. 9. التعلیق واإلنھاء. 9 ) أو إذا 2تاریخ التسلیم محدد الموعد، (ولم یقدم التأكید الكافي ألداء المشتري قبل كان لدى البائع شكوك معقولة حول أداء المشتري اللتزاماتھ ولم یقدم المشتري إلى البائع تأكیدًا كافیًا ألداء المشتري قبل تاریخ التسلیم محدد الموعد، وفي أي ا أصبح) أو إذ3) یوًما من طلب البائع لذلك التأكید، (30حالة في غضون ثالثین ( لتصفیة دخولھ دور االمشتري معسًرا أو عاجًزا عن سداد دیونھ حال استحقاقھا، أو أو إقامة أي دعوى إفالس من جانب المشتري أو ضده، أو في حالة تعیین أمین إذا أجرى كافة أصول المشتري أو غالبیتھا، أو على م أو حارس قضائي أو قیّ عدم التزام المشتري بأي قانون ) أو في حالة 4المشتري أي تنازل لصالح دائنیھ، ( تشریع أو أمر أو الئحة أو نظام أو معیار ("القوانین والمعاییر")، یجوز للبائع أو إلى المشتري، دون اإلخالل بأي من حقوقھ األخرى: حینئذ بموجب إخطار خطي جمیع تكون لمة لم تُدفع قیمتھا واسترداد حیازتھا، و(أ) طلب إعادة أي منتجات مس التكالیف المتعلقة باسترداد المنتجات لحساب المشتري، و/أو (ب) تعلیق األداء أو ما لم یسدد المشتري دفعة ،إنھاء تأكید الطلب بشأن التسلیم المعلق للمنتجات ابل المنتجات إلى البائع.

In caso di violazione o inadempimento da parte dell'Acquirente, il Venditore avrà il diritto (ma non l'obbligo) di rivalersi sull'Acquirente, oltre a qualsiasi altro danno causato da tale azione: (i) nel caso di Prodotto realizzato specificamente per l'Acquirente o che ragionevolmente non possa essere rivenduto dal Venditore a terzi, il prezzo di tale Prodotto come indicato nella conferma d'ordine del Venditore; o (ii) nel caso di Prodotti che possono essere rivenduti dal Venditore, un risarcimento pari al cinquanta per cento (50%) del prezzo del Prodotto come indicato nella conferma d'ordine del Venditore, a titolo di risarcimento danni. 9. Suspension and Termination 9.

In the event of Buyer’s breach or failure to perform, Seller shall be entitled to (but is not required to) recover from Buyer, in addition to any other damages caused by such action: (i) in the case of Products produced specifically for Buyer or which reasonably cannot be resold by Seller to a third party, the price of such Products as quoted in Seller’s order confirmation; or (ii) in the case of Products which can be resold by Seller, damages equal to fifty percent (50%) of the price for the Products as quoted in Seller’s order confirmation, as liquidated damages. 9. Em qualquer caso, conforme descrito acima, todas as reivindicações pendentes do Vendedor serão devidas e pagáveis imediatamente com relação aos Produtos entregues ao Comprador e não retomados pelo Vendedor. 9.

In the event of Buyer’s breach or failure to perform, Seller shall be entitled to (but is not required to) recover from Buyer, in addition to any other damages caused by such action: (i) in the case of Products produced specifically for Buyer or which reasonably cannot be resold by Seller to a third party, the price of such Products as quoted in Seller’s order confirmation; or (ii) in the case of Products which can be resold by Seller, damages equal to fifty percent (50%) of the price for the Products as quoted in Order Confirmation, as liquidated damages. 9. En caso de incumplimiento por parte del Comprador, el Vendedor tendrá derecho (aunque no estará obligado a ello) a recuperar del Comprador, además de cualquier otro daño causado por dicha acción: (i) en el caso de Productos producidos específicamente para el Comprador o que razonablemente no puedan ser revendidos por el Vendedor a un tercero, el precio de dichos Productos indicado en la confirmación de pedido del Vendedor; o (ii) en el caso de Productos que puedan ser revendidos por el Vendedor, daños y perjuicios equivalentes al cincuenta por ciento (50%) del precio de los Productos indicado en la Confirmación de Pedido, en concepto de daños y perjuicios. 9.

Si el Vendedor otorga un descuento, dicho descuento solo se refiere a la entrega y/o cantidad de los Seller’s order confirmation; or (ii) in the case of Products which can be resold by Seller, damages equal to fifty percent (50%) of the price for the Products as quoted in Seller’s order confirmation, as liquidated damages. 9. En caso de incumplimiento o falta de cumplimiento del Comprador, el Vendedor tendrá derecho a (pero no estará obligado a) recuperar del Comprador, además de cualquier otro daño causado por tal acción: (i) en el caso de Productos producidos específicamente para el Comprador o que razonablemente no pueden ser revendidos por el Vendedor a un tercero, el precio de dichos Productos según lo cotizado en la confirmación del pedido del Vendedor; o (ii) en el caso de Productos que puedan ser revendidos por el Vendedor, daños equivalentes al cincuenta por ciento (50%) del precio de los Productos según lo cotizado en la confirmación del pedido del Vendedor, como daños liquidados. 9.

Three Months Ended September 30, 2023 Three Months Ended September 30, 2022 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income (loss) from continuing operations attributable to Avient shareholders $ 5.1 $ 0.06 $ (27.4) $ (0.30) Special items, after tax (Attachment 3) 32.0 0.35 68.3 0.75 Amortization expense, after-tax 15.2 0.16 13.4 0.14 Adjusted net income / EPS $ 52.3 $ 0.57 $ 54.3 $ 0.59 Nine Months Ended September 30, 2023 Nine Months Ended September 30, 2022 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income from continuing operations attributable to Avient shareholders $ 48.0 $ 0.52 $ 99.8 $ 1.08 Special items, after tax (Attachment 3) 73.9 0.81 77.9 0.85 Amortization expense, after-tax 46.5 0.51 34.9 0.38 Adjusted net income / EPS $ 168.4 $ 1.84 $ 212.6 $ 2.31 8 Attachment 2 Avient Corporation Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Sales $ 753.7 $ 823.3 $ 2,423.8 $ 2,606.5 Cost of sales 558.4 627.9 1,740.2 1,895.8 Gross margin 195.3 195.4 683.6 710.7 Selling and administrative expense 161.0 154.8 529.9 467.8 Operating income 34.3 40.6 153.7 242.9 Interest expense, net (30.3) (37.3) (88.5) (70.4) Other income (expense), net 1.0 (32.3) 1.5 (31.3) Income (loss) from continuing operations before income taxes 5.0 (29.0) 66.7 141.2 Income tax benefit (expense) 0.1 1.2 (18.0) (41.5) Net income (loss) from continuing operations 5.1 (27.8) 48.7 99.7 Income (loss) from discontinued operations, net of income taxes — 17.1 (0.9) 58.8 Net income (loss) 5.1 (10.7) 47.8 158.5 Net loss (income) attributable to noncontrolling interests — 0.4 (0.7) 0.1 Net income (loss) attributable to Avient common shareholders $ 5.1 $ (10.3) $ 47.1 $ 158.6 Earnings (loss) per share attributable to Avient common shareholders - Basic: Continuing operations $ 0.06 $ (0.30) $ 0.53 $ 1.09 Discontinued operations — 0.19 (0.01) 0.65 Total $ 0.06 $ (0.11) $ 0.52 $ 1.74 Earnings (loss) per share attributable to Avient common shareholders - Diluted: Continuing operations $ 0.06 $ (0.30) $ 0.52 $ 1.08 Discontinued operations — 0.19 (0.01) 0.64 Total $ 0.06 $ (0.11) $ 0.51 $ 1.72 Cash dividends declared per share of common stock $ 0.2475 $ 0.2375 $ 0.7425 $ 0.7125 Weighted-average shares used to compute earnings per common share: Basic 91.1 90.9 91.1 91.3 Diluted 91.9 90.9 91.8 92.0 9 Attachment 3 Avient Corporation Summary of Special Items (Unaudited) (In millions, except per share data) Special items (1) Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Cost of sales: Restructuring costs, including accelerated depreciation $ (2.1) $ (2.8) $ (9.9) $ (9.8) Environmental remediation costs (38.1) (18.8) (52.5) (23.8) Reimbursement of previously incurred environmental costs — 0.1 — 8.3 Acquisition related costs — (10.3) — (10.3) Impact on cost of sales (40.2) (31.8) (62.4) (35.6) Selling and administrative expense: Restructuring and employee separation costs (2.0) 0.3 (13.8) (1.0) Legal and other 1.7 (0.5) (9.1) 1.0 Acquisition related costs (0.5) (8.2) (4.6) (13.2) Impact on selling and administrative expense (0.8) (8.4) (27.5) (13.2) Impact on operating income (41.0) (40.2) (89.9) (48.8) Interest expense, net - financing costs (2.2) (10.0) (2.2) (10.0) Mark-to-market on derivative instruments — (31.8) — (30.9) Other — — (0.1) 0.1 Impact on other expense, net — (31.8) (0.1) (30.8) Impact on income from continuing operations before income taxes (43.2) (82.0) (92.2) (89.6) Income tax benefit on above special items 10.8 20.5 23.2 22.5 Tax adjustments(2) 0.4 (6.8) (4.9) (10.8) Impact of special items on net income from continuing operations $ (32.0) $ (68.3) $ (73.9) $ (77.9) Diluted earnings per common share impact $ (0.35) $ (0.75) $ (0.81) $ (0.85) Weighted average shares used to compute adjusted earnings per share: Diluted 91.9 91.6 91.8 92.0 (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 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, 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

Three Months Ended June 30, 2023 Three Months Ended June 30, 2022 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income from continuing operations attributable to Avient shareholders $ 22.1 $ 0.24 $ 62.8 $ 0.68 Special items, after tax (Attachment 3) 19.6 0.21 3.2 0.03 Amortization expense, after-tax 16.2 0.18 10.5 0.12 Adjusted net income / EPS $ 57.9 $ 0.63 $ 76.5 $ 0.83 Six Months Ended June 30, 2023 Six Months Ended June 30, 2022 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income from continuing operations attributable to Avient shareholders $ 42.9 $ 0.47 $ 127.2 $ 1.38 Special items, after tax (Attachment 3) 41.9 0.46 9.6 0.10 Amortization expense, after-tax 31.3 0.34 21.3 0.23 Adjusted net income / EPS $ 116.1 $ 1.27 $ 158.1 $ 1.71 8 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, 2023 2022 2023 2022 Sales $ 824.4 $ 891.0 $ 1,670.1 $ 1,783.2 Cost of sales 583.7 630.1 1,181.8 1,267.9 Gross margin 240.7 260.9 488.3 515.3 Selling and administrative expense 178.4 160.8 368.9 313.0 Operating income 62.3 100.1 119.4 202.3 Interest expense, net (29.4) (16.2) (58.2) (33.1) Other (expense) income, net (0.2) 1.6 0.5 1.0 Income from continuing operations before income taxes 32.7 85.5 61.7 170.2 Income tax expense (10.4) (22.7) (18.1) (42.7) Net income from continuing operations 22.3 62.8 43.6 127.5 Income (loss) from discontinued operations, net of income taxes — 21.9 (0.9) 41.7 Net income 22.3 84.7 42.7 169.2 Net income attributable to noncontrolling interests (0.2) — (0.7) (0.3) Net income attributable to Avient common shareholders $ 22.1 $ 84.7 $ 42.0 $ 168.9 Earnings (loss) per share attributable to Avient common shareholders - Basic: Continuing operations $ 0.24 $ 0.69 $ 0.47 $ 1.39 Discontinued operations — 0.24 (0.01) 0.46 Total $ 0.24 $ 0.93 $ 0.46 $ 1.85 Earnings (loss) per share attributable to Avient common shareholders - Diluted: Continuing operations $ 0.24 $ 0.68 $ 0.47 $ 1.38 Discontinued operations — 0.24 (0.01) 0.45 Total $ 0.24 $ 0.92 $ 0.46 $ 1.83 Cash dividends declared per share of common stock $ 0.2475 $ 0.2375 $ 0.4950 $ 0.4750 Weighted-average shares used to compute earnings per common share: Basic 91.1 91.4 91.1 91.4 Diluted 91.9 92.1 91.9 92.2 9 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, 2023 2022 2023 2022 Cost of sales: Restructuring costs, including accelerated depreciation $ (1.2) $ (2.6) $ (7.8) $ (7.0) Environmental remediation costs (13.0) (3.0) (14.4) (5.0) Reimbursement of previously incurred environmental costs — 7.6 — 8.2 Impact on cost of sales (14.2) 2.0 (22.2) (3.8) Selling and administrative expense: Restructuring (0.5) (2.9) (11.9) (1.3) Legal and other (6.4) 1.2 (10.6) 1.5 Acquisition related costs (0.7) (2.1) (4.2) (5.0) Impact on selling and administrative expense (7.6) (3.8) (26.7) (4.8) Impact on operating income (21.8) (1.8) (48.9) (8.6) Other income (loss), net 0.1 0.9 (0.1) 1.0 Impact on income from continuing operations before income taxes (21.7) (0.9) (49.0) (7.6) Income tax expense (benefit) on above special items 5.5 0.2 12.4 2.0 Tax adjustments(2) (3.4) (2.5) (5.3) (4.0) Impact of special items on net income from continuing operations $ (19.6) $ (3.2) $ (41.9) $ (9.6) Diluted earnings per common share impact $ (0.21) $ (0.03) $ (0.46) $ (0.10) Weighted average shares used to compute adjusted earnings per share: Diluted 91.9 92.1 91.9 92.2 (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 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, 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