https://www.avient.com/investors https://edge.media-server.com/mmc/p/3u462yxq/ https://www.avient.com/investors https://register.vevent.com/register/BIfa0de3bdf9964987b4d7a1c21860e063 https://www.avient.com/investors/events-presentations 3 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. For more information, visit https://www.avient.com. 4 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995.

Predecessors MA Hanna and The Geon Company, over 100 years. 2.0 Management System Registrations For more information regarding our Management System certifications, please refer to our website at http://www.avient.com/company/sustainability/environmental/global-iso-certificate-library 3.0 Audit PolyOne is open to permitting an audit of PolyOne facilities, subject to: • Advanced notice of minimum thirty (30) days, or as otherwise specified by individual facility’s audit governance Refer to PolyOne Internet site – About Us > Locate Us http://www.avient.com/en- us/Pages/default.aspx Who can answer questions about PolyOne conformance to various “Right-to-Know” legislation (such as California Proposition 65)? PolyOne management will decide any future considerations for ISO 14001 registration. 8.0 Credit References Please contact your customer service representative to request specific references and related information. 9.0 Sustainability and No Surprises Pledge View policies at www.polyone.com http://www.avient.com/en-us/docs/Documents/PolyOne%20No%20Surprises%20Pledge.pdf

本应聘者隐私声明 （“声明 ”）阐述您在访问或使用我们的职业网站时 ，包括 https://avient.referrals.selectminds.com/（“网 站 ”），Avient 如何收集 、使用或披露求职者和应聘者 （统称为 “您 ”）的个人信息 ）。 若 要了解 Avient 如何处理您在这些服务和第三方网站的个人信息的更多情况 ，请访问 Avient 公 司隐私声明 ： https://www.avient.com/company/policies-and-governance/avient-corporation-privacy-statement。 修订与修改 https://edpb.europa.eu/about-edpb/board/members_en 本声明并不 ，也非旨在提供就业要约 、合同 ，也不以其它方式创造任何法律权利或义务 。

Horká linka pro etiku https://www.Avient.com/company/policies-and- governance/ethics-hotline telefonu 1-877-228-5410 6 mailto:ethics.officer%40avient.com? subject= http://avient.ethicspoint.com http://www.Avient.com/company/policies-and-governance/ethics-hotline http://www.Avient.com/company/policies-and-governance/ethics-hotline 1. Francisco Nakasato, 1700 13295-000 Itrevea Sao Paulo, Brazílie Telefonní číslo: +55 11 4593 9200 Evropa Regionální centrála Pommer- loch, Lucembursko 19 Route de Bastogne Pommer- loch, Lucembursko, L-9638 Telefonní číslo: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com Rychlé rady: Antimonopolní zásady CO DĚLAT a CO NEDĚLAT Antimonopolní kontrolní seznam Ochrana před odvetou Hlášení možných porušení Závěr Oblasti potenciálně dotčené antimonopolní problematikou Porušení antimonopolních zákonů Een Overzicht van de Amerikaanse Přehled antimonopolních zákonů USA Přehled zásad Horká linka pro etiku společnosti Avient

Etikai forródrót https://www.Avient.com/company/policies-and- governance/ethics-hotline Telefonon: 1-877-228-5410 7 mailto:%20ethics.officer%40avient.com%20? subject= http:// avient.ethicspoint.com http://www.Avient.com/company/policies-and-governance/ethics-hotline http://www.Avient.com/company/policies-and-governance/ethics-hotline 1. Francisco Nakasato, 1700 13295-000 Itupeva São Paulo, Brazília Telefonszám: +55 11 4593 9200 Európa Regionális Központ Pommerloch, Luxemburg 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 Telefonszám: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com Gyors hivatkozás: Mit TEGYEN és mit NE TEGYEN a trösztellenes területen Trösztellenes ellenőrzőlista Megtorlással szembeni védelem Az irányelv lehetséges megsértéseinek jelentése Következtetés Trösztellenes szempontból potenciálisan aggályos területek A trösztellenes szabályok megsértése Az USA trösztellenes jogszabályainak áttekintése A szabályzat áttekintése Avient etikai forródrót

Línea Directa de Ética https://www.Avient.com/company/policies-and- governance/ethics-hotline Teléfono en la Línea Directa de Ética: 1-877-228-5410 7 mailto:ethics.officer%40avient.com? subject= http://avient.ethicspoint.com http://www.Avient.com/company/policies-and-governance/ethics-hotline http://www.Avient.com/company/policies-and-governance/ethics-hotline 1. Francisco Nakasato, 1700 13295-000 Itupeva São Paulo, Brasil Teléfono: +55 11 4593 9200 Europa Sede regional de Pommerloch, Luxemburgo 19 Route de Bastogne Pommerloch, Luxemburgo, L-9638 Teléfono: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com Referencia rápida: Qué hacer y qué no hacer en materia antimonopolio Lista de verificación antimonopolio Protección contra represalias Informes de posibles infracciones Conclusión Posibles áreas de preocupación antimonopolio Infracciones de leyes antimonopolio Descripción general de las leyes antimonopolio Descripción general de la política Línea Directa de Ética de Avient

Горячая линия по вопросам этики компании https://www.Avient.com/company/policies-and- governance/ethics-hotline телефону 1-877-228-5410 7 mailto:ethics.officer%40avient.com%20%20? subject= http://avient.ethicspoint.com http://www.Avient.com/company/policies-and-governance/ethics-hotline http://www.Avient.com/company/policies-and-governance/ethics-hotline 1. Поммерлох, Люксем- бург 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 Телефон: +352 269 050 35 Факс: +352 269 050 45 www.avient.com http://www.avient.com Краткий справочник: Что следует и не следует делать в рамках антимонопольной политики Контрольный список по соблюдению требований антимонопольного законодательства Защита от преследований Фиксация возможных нарушений Заключение Потенциальные проблемные области в сфере антимонопольного законодательства Нарушения антимонопольного законодательства Общий обзор Антимонопольного законодательства США Общие сведения о политике Горячая линия по вопросам этики компании Avient

Ethische hotline https://www.Avient.com/company/policies-and- governance/ethics-hotline Telefonisch 1-877-228-5410 7 mailto:ethics.officer%40avient.com%20? subject= http://avient.ethicspoint.com http://www.Avient.com/company/policies-and-governance/ethics-hotline http://www.Avient.com/company/policies-and-governance/ethics-hotline 1. Francisco Nakasato, 1700 13295-000 Itupeva Sao Paulo, Brazilië Telefoon: +55 11 4593 9200 Europa Regionaal hoofdkantoor Pommerloch, Luxemburg 19 Route de Bastogne Pommer- loch, Luxemburg, L-9638 Telefoon: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com Snelle verwijzing: WEL DOEN en NIET DOEN inzake antitrust Antitrust Checklist Bescherming tegen vergelding Melden van mogelijke overtredingen Conclusie Potentiële gebieden van zorg inzake antitrust Schendingen van Antitrustwetgeving Een Overzicht van de Amerikaanse Antitrustwetgeving Overzicht van het Beleid Ethische hotline van Avient

Linha direta de ética https://www.Avient.com/company/policies-and- governance/ethics-hotline Telefone na linha direta de ética 1-877-228-5410 7 mailto:ethics.officer%40avient.com? subject= http:// avient.ethicspoint.com http://www.Avient.com/company/policies-and-governance/ethics-hotline http://www.Avient.com/company/policies-and-governance/ethics-hotline 1. Francisco Nakasato, 1700 13295-000 Itupeva São Paulo, Brasil Telefone: +55 (11) 4593 9200 Europa Sede regional Pommerloch, Luxemburgo 19 Route de Bastogne Pommer- loch, Luxemburgo, L-9638 Telefone: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com Referência rápida: O QUE FAZER e O QUE NÃO FAZER em relação às Lista de verificação antitruste Proteção contra retaliação Denúncias de possíveis violações Conclusão Possíveis áreas de atenção da lei antitruste Violações da lei antitruste Visão geral das Leis Antitruste Visão geral da Política Linha direta de ética da Avient

subject= http:// http://avient.com Non ritorsione Avient non tollererà ritorsioni nei confronti di chi, in buona fede, chiede consiglio, solleva un dubbio, segnala cattive condotte o fornisce informazioni durante un’indagine su una sospetta violazione del codice di condotta. CODICE DI CONDOTTA | 17 IL NOSTRO CODICE INTEGRITÀ NELLA RESPONSABILITÀ http://polynet/ethics/CorporatePolicies/InformationSystemsUsePolicies/tabid/1885/Default.aspx http://polynet/ethics/CorporatePolicies/InformationSystemsUsePolicies/tabid/1885/Default.aspx http://polynet/ethics/CorporatePolicies/CyberandDataIncidentResponsePolicy/tabid/2729/Default.aspx http://polynet/ethics/CorporatePolicies/CyberandDataIncidentResponsePolicy/tabid/2729/Default.aspx Insider trading e informazioni privilegiate In Avient, potreste venire a conoscenza di informazioni sostanziali su Avient o su altre aziende con cui facciamo affari che non sono state divulgate al pubblico. subject= http://avient.com/sustainability https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge-0 D: il mio supervisore mi ha chiesto di seguire una nuova procedura di smaltimento dei rifiuti ma non sono certo che sia sicura o addirittura legale.