Eastern Time on Thursday, May 16, 2024. i NOTICE OF 2024 ANNUAL MEETING OF SHAREHOLDERS Thursday, May 16, 2024 9:00 a.m. Miscellaneous 16.

Eastern Time on Thursday, May 16, 2024. i NOTICE OF 2024 ANNUAL MEETING OF SHAREHOLDERS Thursday, May 16, 2024 9:00 a.m. Please carefully review the proxy materials for the Annual Meeting, which will be held virtually via live webcast on Thursday, May 16, 2024 at 9:00 a.m.

ET) on May 16, 2018. ET) on May 16, 2018. Section 16(a) Beneficial Ownership Reporting Compliance Section 16(a) of the Exchange Act requires that certain of our officers, our Directors and persons who own more than 10% of a registered class of our equity securities file reports of ownership and changes in ownership with the SEC.

Seller may assign/transfer rights and/or delegate duties/obligations hereunder to any affiliated company within the PolyOne group. 16. Le Vendeur pourra transférer/céder et/ou déléguer les devoirs/obligations au titre des présentes à toute société du groupe PolyOne. 16.

6 A magatartási kódex hatálya 6 A kódex megsértése 6 A tisztelet mindenkinek jár Sokszínűség és bevonás 8 Hátrányos megkülönböztetés és zaklatás 8 Munkahelyi kapcsolatok 9 Szerfüggőség 10 Fizikai biztonság és munkahelyi erőszak 10 Becsületesség a munkahelyen Pontos információk, adatok és nyilvántartások 12 Tisztességes könyvvitel 12 Kérdések és válaszok: 12 Vállalati kommunikáció 14 A vagyontárgyak védelme és használata 14 Tulajdonosi és bizalmas információk, ötletek és szellemi tulajdon 15 A magánélet tiszteletben tartása, a személyes információk és adatok védelme 16 Internet és e-mail-használat 16 Közösségi média és a közösségi hálózatokban való részvétel 17 Számítógépes biztonság, szoftverlicenc és szerzői jog 17 Bennfentes információk és bennfentes kereskedés 18 Politikai hozzájárulások/ tevékenységek és jótékonysági hozzájárulások 19 Kormányzati vizsgálatok és adatkérések 19 Tisztességes üzletelés 21 Vesztegetés és kenőpénz felajánlása 21 Ügynökök és tanácsadók 22 Verseny 22 Ajándékok és vendéglátás 23 Összeférhetetlenség 24 Önérdekű kereskedés 25 Nemzetközi kereskedelem 25 Pénzmosás 25 Társadalmi felelősségvállalás Fenntarthatóság 27 Egészség-, munka- és környezetvédelem 28 Termékeink és szolgáltatásaink biztonságossága 29 Az emberi jogok tiszteletben tartása 29 Közös kötelezettségvállalás 29 Erőforrások és elérhetőségek Irányelveink 30 Belső kapcsolat 30 Etikai forródrót 30 Üzenet vezérigazgatónktól Kedves Avient csapat! MAGATARTÁSI KÓDEXÜNK | 16 MAGATARTÁSI A TISZTELET BECSÜLETESSÉG A ÜZLETI TÁRSADALMI Közösségi média és a közösségi hálózatokban való részvétel Az Avient elismeri, hogy a közösségi média/hálózatok lehetnek szakmailag értékesek. Gyermekmunkának tekintjük a 16 éven aluliak általi munkavégzést, ha pedig a helyi jogszabályok szigorúbbnak bizonyulnak belső normáinknál, a szigorúbb előírásokat kell betartanunk.

Il nostro Codice di condotta 2023 Un messaggio dal CEO 1 La nostra visione e strategia 2 Valori fondamentali e personali 2 Il nostro Codice di condotta Linee guida per il comportamento etico 4 Valori personali 4 Risolvere questioni e segnalare situazioni di non conformità 6 Linea di assistenza telefonica sull’etica 6 Non ritorsione 6 Applicazione del Codice di condotta 7 Violazioni del Codice 7 Rispetto per tutti Diversità e inclusione 9 Discriminazione o molestie 9 Rapporti di lavoro 9 Abuso di sostanze 9 Sicurezza fisica e violenza sul luogo di lavoro 10 Onestà sul lavoro Informazioni, dati e documenti accurati 12 Integrità contabile 12 Comunicazioni aziendali 14 Tutela e uso dei beni 14 Informazioni proprietarie e riservate, idee e proprietà intellettuale 14 Privacy, informazioni personali e protezione dei dati 15 Uso di Internet e delle e-mail 15 Social media e social networking 15 Sicurezza informatica, licenze software e copyright 16 Insider trading e informazioni privilegiate 16 Contributi/attività per partiti politici e contributi ad organizzazioni di beneficenza 17 Indagini e inchieste governative 17 Integrità nella nostra attività Trattamento equo 19 Corruzione e mazzette 19 Agenti e consulenti 20 Concorrenza 20 Omaggi e ospitalità 20 Conflitti di interessi 21 Autonegoziazion 22 Commercio internazionale 22 Responsabilità sociale dell’azienda Sostenibilità 24 Sicurezza, salute e ambiente 24 Sicurezza di prodotti e servizi 25 Rispetto dei diritti umani 25 Un impegno condiviso 25 Risorse e informazioni di contatto 26 1 Un messaggio dal CEO Gentili Dipendenti Avient, facendo parte di un’azienda globale in crescita, ci troviamo di fronte a situazioni impegnative e a decisioni complesse. Siete tenuti a conoscere e a seguire le linee guida aziendali quando utilizzate social media/network, per uso personale o aziendale e quando tale utilizzo riguarda informazioni o comunicazioni legate a Avient o fa riferimento al vostro lavoro o alle vostre responsabilità all’interno dell’azienda. 16 Sicurezza informatica, licenze software e copyright Come per altre forme di informazioni essenziali per le operazioni di Avient, dovete proteggere attentamente le informazioni contenute nei computer o registrate su diversi dispositivi di archiviazione da copia, modifica, divulgazione o distruzione accidentali o non autorizzate. Consideriamo sfruttamento del lavoro minorile qualsiasi servizio svolto da persone di età inferiore ai 16 anni e nel caso in cui la legge locale fosse più rigida della nostra politica rispetteremo tale legge.

6 A Magatartási kódex hatósugara 7 A Kódex megsértése 7 Sokszínűség és bevonás 9 Hátrányos megkülönböztetés és zaklatás 9 Munkahelyi kapcsolatok 9 Szerfüggőség 10 Fizikai biztonság és munkahelyi erőszak 10 Pontos információk, adatok és nyilvántartások 12 Tisztességes könyvvitel 12 Vállalati kommunikáció 14 A vagyontárgyak védelme és használata 14 Tulajdonosi és bizalmas információk, ötletek és szellemi tulajdon 14 A magánélet tiszteletben tartása, a személyes információk és adatok védelme 15 Internet és e-mail használat 15 Közösségi média és a közösségi hálózatokban való részvétel 15 Számítógépes biztonság, szoftverlicenc és szerzői jog 16 Bennfentes információk és azok továbbadása 16 Politikai hozzájárulások/tevékenységek és jótékonysági hozzájárulások 17 Kormányzati nyomozások és vizsgálatok 17 Tisztességes üzletelés 19 Vesztegetés és kenőpénz felajánlása 19 Ügynökök és tanácsadók 20 Verseny 20 Ajándékok és vendéglátás 20 Összeférhetetlenség 21 Önérdekű kereskedés 22 Nemzetközi kereskedelem 22 Fenntarthatóság 24 Egészség és munkavédelem, környezetvédelem 24 Termékeink és szolgáltatásaink biztonságossága 25 Az emberi jogok tiszteletben tartása 25 Közös kötelezettségvállalás 25 Erőforrások és elérhetőségek 26 1 Üzenet a CEO-tól Kedves Avient Munkatársak! Elvárjuk Öntől, hogy a közösségi médiában/hálózatokon való megnyilvánulásai – legyenek ezek üzletiek vagy személyesek, vagy az Avient-re vonatkozó információkkal vagy közlésekkel kapcsolatosak, vagy a munkaviszonyára vagy a Vállalattal szembeni feladataival kapcsolatosak – mindig tartsa szem előtt a vállalat politikáit. 16 Számítógépes biztonság, szoftverlicenc és szerzői jog Akárcsak minden egyéb, az Avient működése szempontjából kritikus információkat Ön köteles megóvni, a számítógépeken vagy egyéb adathordozókon tárolt információkat a véletlenszerű vagy jogosulatlan sokszorosítással, módosítással, felfedéssel vagy megsemmisítéssel szemben. Gyermekmunkának tekintjük a 16 éven aluliak által végzett munkát, ha pedig a helyi jogszabályok szigorúbbnak bizonyulnak belső normáinknál, a szigorúbb előírásokat tartjuk be.

Nosso Código de Conduta 2023 Mensagem do diretor executivo 1 Nossa visão e estratégia 2 Valores fundamentais e pessoais 2 Nosso Código de Conduta Orientações para comportamento ético 4 Valores pessoais 4 Solução de dúvidas e comunicação de situações de não conformidade 6 Linha direta de ética 6 Nenhuma retaliação 6 Aplicação do Código de Conduta 7 Violações do Código 7 Respeito por todos Diversidade e inclusão 9 Discriminação ou assédio 9 Relacionamentos no local de trabalho 9 Abuso de substância 10 Segurança física e violência no local de trabalho 10 Honestidade no trabalho Informações, dados e registros precisos 12 Integridade da contabilidade 12 Comunicações da empresa 14 Proteção e uso de ativos 14 Informações exclusivas e confidenciais, ideias e propriedade intelectual 14 Privacidade, informações pessoais e proteção de dados 15 Uso de internet e e-mail 15 Mídias sociais e redes sociais 15 Segurança do computador, licenciamento de software e direitos autorais 16 Informações privilegiadas e transações com informações privilegiadas 16 Contribuições/atividades políticas e contribuições para caridade 17 Investigações e consultas do governo 17 Integridade em nossos negócios Negociação justa 19 Suborno e propinas 19 Agentes ou consultores 20 Concorrência 20 Presentes e hospitalidade 20 Conflitos de interesses 21 Autonegociação 22 Comércio internacional 22 Responsabilidade social corporativa Sustentabilidade 24 Segurança, saúde e meio-ambiente 24 Segurança de produtos e serviços 25 Respeito pelos direitos humanos 25 Um compromisso compartilhado 25 Recursos e informações de contato 26 1 Mensagem do diretor executivo Prezados colaboradores da Avient, Como parte de uma empresa global em crescimento, enfrentamos situações desafiadoras e tomadas de decisões complexas. Você deve entender e cumprir as orientações da empresa ao usar mídias/redes sociais, quer seja para fins comerciais ou pessoais, quando o uso envolver informações ou comunicações relacionadas à Avient ou se relacionar ao seu emprego ou responsabilidades com a empresa. 16 Segurança do computador, licenciamento de software e direitos autorais Como com outras formas de informações cruciais para as operações da Avient, você deve proteger de maneira cuidadosa as informações contidas em computadores ou registradas em várias mídias de armazenamento contra duplicação, modificação, divulgação ou destruição acidental ou não autorizada. Definimos trabalho infantil como os serviços prestados por qualquer um com menos de 16 anos de idade, e se a lei local for mais restritiva que nossa política, cumprimos a lei local mais restritiva.

مدونة قواعد السلوك مدونة قواعد السلوك تاريخ الإصدار: أكتوبر 2024 جدول المحتويات 1 تنفيذي رسالة من المدير ال مدونة قواعد السلوك الخاصة بنا 3 المبادئ التوجيهية للسلوك الأخلاقي 3 القيم الشخصية 4 مسؤولياتك المسؤوليات الإضافية 4 Avient للمشرفين والمديرين في حل المسائل والإبلاغ عن 5 حالات عدم الامتثال 5 الخط الساخن للأخلاقيات 6 عدم الانتقام 6 تطبيق مدونة قواعد السلوك 6 مخالفات مدونة قواعد السلوك عيمجلل مارتحالا 8 التنوع والدمج 8 التمييز أو المضايقات 9 العلاقات في مكان العمل 10 إدمان المخدرات 10 الأمن المادي و العنف في مكان العمل لمعلا يف ةنامألا 12 بيانات، والسجلات الدقيقة المعلومات، وال 12 نزاهة المحاسبة 14 اتصالات الشركة 14 حماية الأصول واستخدامها حقوق الملكية وسرية المعلومات، 15 والأفكار والملكية الفكرية حماية الخصوصية، والمعلومات 16 بيانات الشخصية، وال استخدام شبكة الإنترنت 16 والبريد الإلكتروني وسائل التواصل الاجتماعي والشبكات 17 الاجتماعية الأمن الحاسوبي، تراخيص 17 البرمجيات وحقوق النشر 18 المعلومات الداخلية والتداول المساهمات والأنشطة 19 السياسية/والمساهمات الخيرية 19 التحقيقات والاستفسارات الحكومية انلمع يف ةهازنلا 21 التعامل العادل 21 الرشاوى والعمولات 22 الوكلاء والمستشارون 22 المنافسة 23 iالهدايا والاستضافة 24 تضارب المصالح 25 تعامل ذاتي تتنافر فيه المصلحة والواجب 25 التجارة الدولية 25 غسل الأموال ةيعامتجالا ةيلوؤسملا ةكرشلاب 27 الاستدامة 28 بيئة السلامة، والصحة، وال 29 سلامة المنتج والخدمة 29 احترام حقوق الإنسان 29 التزام مشترك لاصتالا تامولعمو دراوم 30 حول سياساتنا 30 موارد الأخلاقيات والامتثال 30 الخط الساخن للأخلاقيات رسالة من المدير التنفيذي لقرارات شركتنا آثار بعيدة المدى في عالم اليوم المعقد والمترابط. مدونة قواعد السلوك مدونة قواعد السلوك الخاصة | 16 http://polynet/ethics/GlobalPrivacyandDataProtectionPolicies/tabid/1870/Default.aspx وسائل التواصل الاجتماعي والشبكات الاجتماعية تُسُلّمّ Avient بما قد يكون لوسائل/شبكات التواصل الاجتماعي من قيمة على الجانب المهني. ونُعُ�رِِّ الأطفال بوصفها خدمات يقدمها أي فرد تحت سن 16 عامًًا وإن كان النظام القانوني المحلي أكثر تقييدًًا من سياستنا، فسوف نلتزم بهذا النظام القانوني الأكثر تقييدًًا.

ColorWorks innovation centers are specially designed to foster imagination and enable creative exploration of innovative solutions • Focus on customers’ sustainability initiatives through recyclability and post-consumer recycled materials for packaging applications • Supports 8-12% long-term revenue growth expectations across our sustainable solutions portfolio 14 2020 Pro forma $870 $69 Sustainable Solutions 66 37% 26 Healthcare 29 20% 7 Composites 12 36% 6 Growth in Asia / LATAM 47 39% 11 Other 190 48% 22 Sub-total $1,214 40% $141 COVID Response Applications (15) (8) FX Impact 36 4 Synergies 11 Incentives, Travel, Other Employee Costs (26) 2021 Actual $1,235 42% $122 Q2 2021 ORGANIC SALES AND OPERATING INCOME 15 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Sales Growth Rate Operating Income$ millions 16 Q2 2020PF Q2 2021 (2) Financial information is presented on a constant currency basis (1,2) (44% of total revenue) (56% of total revenue) Q2 END MARKET SALES PERFORMANCE +26% +38% +46% +103% +51% +9% +7% +67% Energy Telecom Building & Transportation Industrial Healthcare Packaging Consumer Q2 YEAR-OVER-YEAR EBITDA BRIDGE Q2 2020 Pro forma $ 106 Demand 69 17 EBITDA$ millions • Demand impact driven by growth in sustainable solutions and consumer products • Price increases more than offset raw material and supply chain impacts (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition CAI: Price / Mix 40 Inflation (32) SEM: Price / Mix 23 Inflation (18) Distribution: Price / Mix 81 Inflation (77) Net Price Benefit 17 Supply Chain Disruptions (14) COVID Response Applications (8) Synergies 11 Incentives, Travel, FX, Other (22) Q2 2021 Actual $ 159 Q1 2021 Actual $ 161 CAI: Price / Mix 32 Inflation (22) SEM: Price / Mix 15 Inflation (9) Distribution: Price / Mix 50 Inflation (48) Net Price Benefit 18 Supply Chain Disruptions (12) Demand / Seasonality (6) Other (2) Q2 2021 Actual $ 15918 EBITDA$ millions • Price increases more than offset raw material and freight inflation impacts • Demand impact driven by Q2 seasonality for the business Q1 TO Q2 SEQUENTIAL EBITDA BRIDGE Q 3 AN D FU LL Y EA R 2021 O U TLO O K $74 $98 $0.46 $0.68 ORGANIC GROWTH PROJECTIONS – Q3 20 Sales Adjusted Operating Income $925 $1,150 + 24% + 32% + 48% FULL YEAR GUIDANCE INCREASED 21 Sales Adj. APPENDIX Performance Additives Pigments TiO2 Dyestuffs 4%Polyethylene Nylon Polypropylene Other Raw Materials 29% Styrenic Block Copolymer ~1/3 hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 34 • In Q2 2021, several raw material markets experienced significant price inflation and tight inventory o Average cost of hydrocarbon based materials was up 45% year-over-year and 20% sequentially o Average cost of non-hydrocarbon based materials was up 10% year-over-year and 8% sequentially • Additionally, we experienced other supply chain challenges during Q2 related to raw material spot purchases, freight constraints and productivity loss as a result of these shortages Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2020 pro forma purchases, excludes Distribution business SEGMENT DATA U.S. & Canada 50% 26% Latin America 2021 YTD SEGMENT, END MARKET AND GEOGRAPHY 36 GEOGRAPHY REVENUESEGMENT FINANCIALS 23% Building and 9% END MARKET REVENUE (1) Total company sales and EBITDA of $2,398M and $320M, respectively, include intercompany sales eliminations and corporate costs All charts reflect YTD financials through June 30 $1,234M $228M $457M $87M $767M $48M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $320M$2,398M 14% 34% 21% Building & 9% 2% Telecommunications C O L O R , A D D I T I V E S & I N K S 2021 YTD REVENUE | $1 .2 BILL ION 31% 42% 21% Latin America END MARKET REGION 37 S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 28% Building & 2021 YTD REVENUE | $457 MILLION END MARKET 54% 26% REGION 38 DI S TR IBU T I ON 27% 22% Building and 81% Latin America END MARKET REGION K E Y S U P P L I ER S 2021 YTD REVENUE | $767 MILLION 39 TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET 30% 27%Healthcare Building & 2% Energy (16% of sales) 32% 13% 18% Building & (26% of sales) 40 25% 19% Building & US & Canada (50% of sales) 13% 40% 33% Building & LATAM (8% of sales) Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) June 30, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Special Adjusted Operating income $ 108.1 $ 14.2 $ 122.3 Income from continuing operations before income taxes $ 89.8 $ 14.2 $ 104.0 Income tax expense - GAAP (20.4) — (20.4) Income tax impact of special items — (3.4) (3.4) Tax adjustments — 0.9 0.9 Net income attributable to noncontrolling interests (0.6) — (0.6) Net income from continuing operations attributable to Avient shareholders $ 68.8 $ 11.7 $ 80.5 Net income / EPS $ 0.74 $ 0.13 $ 0.87 Weighted-average diluted shares 92.4 92.4 92.4 September 30, 2020 Reconciliation to Condensed Consolidated Statements of Income GAAP Special Adjusted Operating income $ 33.5 $ 40.4 $ 73.9 Income from continuing operations before income taxes $ 5.3 $ 50.0 $ 55.3 Income tax expense - GAAP (2.7) — (2.7) Income tax impact of special items — (12.7) (12.7) Tax adjustments — 3.0 3.0 Net income attributable to noncontrolling interests (0.9) — (0.9) Net income from continuing operations attributable to Avient shareholders $ 1.7 $ 40.3 $ 42.0 Net income / EPS $ 0.02 $ 0.44 $ 0.46 Weighted-average diluted shares 91.9 91.9 91.9 Three Months Ended Year Ended December 31, Reconciliation to Pro Forma Adjusted EBITDA 2021 March 31, 2021 June 30, 2020 2020 2019 Net income from continuing operations – GAAP $ 69.4 $ 79.7 $ 23.4 $ 133.8 $ 75.7 Income tax expense 20.4 22.9 7.9 5.2 33.7 Interest expense 19.5 19.3 16.2 74.6 59.5 Depreciation and amortization from continuing operations 33.8 37.1 20.9 115.0 78.1 EBITDA $ 143.1 $ 159.0 $ 68.4 $ 328.6 $ 247.0 Special items, before tax 14.2 2.4 2.4 66.2 61.7 Interest expense included in special items — — (0.5) (10.1) — Depreciation and amortization included in special items 1.4 (0.5) (1.2) (3.2) — Adjusted EBITDA $ 158.7 $ 160.9 $ 69.1 $ 381.6 $ 308.7 Clariant MB pro forma adjustments(1) — — 37.0 75.1 133.2 Pro forma adjusted EBITDA $ 158.7 $ 160.9 $ 106.1 $ 456.7 $ 441.9 (1) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition 1 Reconciliation of EBITDA by Segment Six Months Ended December 31, 2021 2020 2021 2020 2019 2018 Sales: Color, Additives and Inks $ 624.4 $ 226.8 $ 1,233.7 $ 483.3 $ 1,502.9 $ 1,003.8 Specialty Engineered Materials 240.6 158.8 457.1 344.1 708.8 745.7 Distribution 404.4 238.8 767.1 528.3 1,110.3 1,192.2 Corporate and eliminations (34.2) (15.3) (60.4) (35.1) (79.9) (79.0) Sales $ 1,235.2 $ 609.1 $ 2,397.5 $ 1,320.6 $ 3,242.1 $ 2,862.7 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 180.8 $ 147.4 $ 158.5 Specialty Engineered Materials 37.3 17.0 71.5 94.4 83.7 72.3 Distribution 23.7 14.6 47.7 69.5 75.4 71.5 Corporate and eliminations (39.2) (25.9) (65.8) (155.4) (149.7) (123.7) Operating income $ 108.1 $ 38.0 $ 228.5 $ 189.3 $ 156.8 $ 178.6 Items below OI in Corporate: Other income, net $ 1.2 $ 9.5 $ 2.7 $ 24.3 $ 12.1 $ (12.9) Depreciation & amortization: Color, Additives and Inks $ 25.3 $ 10.6 $ 52.6 $ 75.1 $ 42.7 $ 44.3 Specialty Engineered Materials 8.1 7.6 15.9 30.0 29.5 23.2 Distribution 0.2 0.1 0.4 0.7 0.5 0.7 Corporate and eliminations 0.2 2.6 2.0 9.2 5.4 4.4 Depreciation & Amortization $ 33.8 $ 20.9 $ 70.9 $ 115.0 $ 78.1 $ 72.6 EBITDA: Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 255.9 $ 190.1 $ 202.8 Specialty Engineered Materials 45.4 24.6 87.4 124.4 113.2 95.5 Distribution 23.9 14.7 48.1 70.2 75.9 72.2 Corporate and eliminations (39.0) (23.3) (63.8) (146.2) (144.3) (119.3) EBITDA $ 143.1 $ 68.4 $ 302.1 $ 328.6 $ 247.0 $ 238.3 EBITDA as a % of Sales: Color, Additives and Inks 17.9 % 18.9 % 18.5 % 17.0 % 18.9 % 19.4 % Specialty Engineered Materials 18.9 % 15.5 % 19.1 % 17.6 % 15.2 % 14.8 % Distribution 5.9 % 6.2 % 6.3 % 6.3 % 6.4 % 5.7 % 2 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Three Months Ended June 30, Six Months Ended Year Ended December 31, 2021 2020 2021 2020 2019 2018 Sales: Color, Additives and Inks $ 624.4 $ 226.8 $ 1,233.7 $ 1,502.9 $ 1,003.8 $ 1,046.5 Clariant MB pro forma adjustments(1) — 261.1 — 540.4 1,118.6 1,209.8 Pro forma sales $ 624.4 $ 487.9 $ 1,233.7 $ 2,043.3 $ 2,122.4 $ 2,256.3 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 180.8 $ 147.4 $ 158.5 Clariant MB pro forma adjustments(1) — 22.0 — 45.0 72.9 80.3 Pro forma operating income $ 86.3 $ 54.3 $ 175.1 $ 225.8 $ 220.3 $ 238.8 Depreciation & amortization: Color, Additives and Inks $ 25.3 $ 10.6 $ 52.6 $ 75.1 $ 42.7 $ 44.3 Clariant MB pro forma adjustments(1) — 15.0 — 30.1 60.3 61.2 Pro forma depreciation & amortization $ 25.3 $ 25.6 $ 52.6 $ 105.2 $ 103.0 $ 105.5 EBITDA Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 255.9 $ 190.1 $ 202.8 Clariant MB pro forma adjustments(1) — 37.0 — 75.1 133.2 141.5 Pro forma EBITDA $ 111.6 $ 79.9 $ 227.7 $ 331.0 $ 323.3 $ 344.3 Pro forma EBITDA as a % of Sales 17.9 % 16.4 % 18.5 % 16.2 % 15.2 % 15.3 % Three Months Ended June 30, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Adjusted Clariant MB Pro Forma Pro Forma Adjusted Sales $ 609.1 $ — $ 609.1 $ 261.1 $ 870.2 Operating income $ 38.0 $ 9.0 $ 47.0 $ 22.0 $ 69.0 Interest expense, net (16.2) — (16.2) (5.3) (21.5) Other income, net 9.5 (6.6) 2.9 — 2.9 Income taxes (7.9) 0.2 (7.7) (3.8) (11.5) Net income attributable to noncontrolling interests (0.4) — (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 23.0 $ 2.6 $ 25.6 $ 12.9 $ 38.5 Weighted average diluted shares 91.8 Pro forma adjusted EPS $ 0.42 3 December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Adjusted Clariant MB Pro Forma Pro Forma Adjusted Sales $ 3,242.1 $ — $ 3,242.1 $ 540.4 $ 3,782.5 Operating income $ 189.3 $ 73.7 $ 263.0 $ 45.0 $ 308.0 Interest expense, net (74.6) 10.1 (64.5) (18.1) (82.6) Other income, net 24.3 (17.6) 6.7 — 6.7 Income taxes (5.2) (41.4) (46.6) (6.2) (52.8) Net income attributable to noncontrolling interests (1.8) — (1.8) — (1.8) Net income from continuing operations attributable to Avient shareholders $ 132.0 $ 24.8 $ 156.8 $ 20.7 $ 177.5 Weighted average diluted shares 90.6 Impact to diluted shares from January 2020 equity offering 1.5 Pro forma weighted average diluted shares 92.1 Pro forma adjusted EPS $ 1.93 December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Adjusted Clariant MB Pro Forma Pro Forma Adjusted Sales $ 2,862.7 $ — $ 2,862.7 $ 1,118.6 $ 3,981.3 Operating income $ 156.8 $ 71.7 $ 228.5 $ 72.9 $ 301.4 Interest expense, net (59.5) — (59.5) (33.4) (92.9) Other income, net 12.1 (10.0) 2.1 — 2.1 Income taxes (33.7) (5.9) (39.6) (9.1) (48.7) Net income attributable to noncontrolling interests (0.2) — (0.2) — (0.2) Net income from continuing operations attributable to Avient shareholders $ 75.5 $ 55.8 $ 131.3 $ 30.4 $ 161.7 Weighted average diluted shares 77.7 Impact to diluted shares from January 2020 equity offering 15.3 Pro forma weighted average diluted shares 93.0 Pro forma adjusted EPS $ 1.74 4 AVNT Seaport Conference Presentation.pdf AVNT Q2 2021 Earnings Presentation - Website.pdf AVNT Q2 2021 Earnings Presentation - Website.pdf Final - 7.19 1158am Q2 21 IR Deck Version v2