G E N O M I C D I AG N O S T I C D E V I C E M A N U FAC T U R E R I N - V I T R O D I A G N O S T I C ( I V D ) D E V I C E MEVOPURTM Laser-Transmitting and Laser-Absorbing Pre-color Solution AV I E N T S O L U T I O N • Customized solutions - Quality-by-Design (QdB) approach • Optimized pigment / additive selection – good distribution in final part minimizes welding failure • Mitigated contamination and extractable risk on incoming raw material with control based on fingerprinting • Ensured uninterrupted supply from multiple ISO13485-2016 certified sites • Minimized risk of change with change control agreements W H Y AV I E N T K E Y R E Q U I R E M E N T S P R O D U C T I V I T Y & Q U A L I T Y • Good weldability, low rejection rate • Solutions in wide range of polymers, colors and transparency • Pre-tested ingredients to biocompatibility and extractable metals L E A R N M O R E https://www.avient.com/products/polymer-additives/performance-enhancement-additives/mevopur-functional-additives

Our Code of Conduct and Ethics Hotline are available at: https://www.avient.com/company/policies-and- governance ETHICS REPORTS: Confidential, Discreet, No Retaliation Do you have an ethics concern? Governance 102–18 Governance structure Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–22 https://www.avient.com/investors/governance 102–20 Executive-level responsibility for economic, environmental, and social topics Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement https://www.avient.com/investors/governance 102–22 Composition of the highest governance body and its committees Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–22 https://www.avient.com/investors/governance 102–23 Chair of the highest governance body Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–18 https://www.avient.com/investors/governance 102–24 Nominating and selecting the highest governance body Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 21–22 https://www.avient.com/investors/governance Sustainability Report | 2018 85 GRI Standard Disclosure Title PolyOne Disclosures 102–25 Conflicts of interest Performance—Board of Directors Code of Conduct https://www.avient.com/investors/governance 102–26 Role of highest governance body in setting purpose, values, and strategy Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–22 https://www.avient.com/investors/governance 102–27 Collective knowledge of highest governance body Performance—Board of Director PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 9–12 https://www.avient.com/investors/governance 102–28 Evaluating the highest governance body's performance Performance—Board of Directors PolyOne 2018 Annual Report and Proxy Statement Page 22 https://www.avient.com/investors/governance 102–29 Identifying and managing economic, environmental, and social impacts Performance—Board of Directors https://www.avient.com/investors/governance 102–30 Effectiveness of risk management processes Performance—Board of Directors Proxy Statement Page 18 https://www.avient.com/investors/governance 102–31 Review of economic, environmental, and social topics Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–22 https://www.avient.com/investors/governance 102–32 Highest governance body's role in sustainability reporting Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Pages 17–22 https://www.avient.com/investors/governance 102–33 Communicating critical concerns Performance—Board of Directors PolyOne 2018 Annual Report—Form 10-K Pages 11–12 & 63 and Proxy Statement Page 19 Code of Conduct https://www.avient.com/investors/governance 102–34 Nature and total number of critical concerns PolyOne 2018 Annual Report—Form 10-K Page 51–52 102–35 Renumeration Policies PolyOne Notice of 2019 Annual Meeting of Shareholders and Proxy Statement GRI Content Index 86 Sustainability Report | 2018 GRI Standard Disclosure Title PolyOne Disclosures 102–36 Process for determining renumeration PolyOne Proxy Statement 102–37 Stakeholders' involvement in renumeration PolyOne Proxy Statement 102–38 Annual total compensation ratio PolyOne Proxy Statement 102–39 Percentage increase in annual total compensation ratio PolyOne Proxy Statement 5. Code of Conduct https://www.avient.com/investors/governance GRI 206: Anti-competitive Behavior 206–1 Legal actions for anti-competitive behavior, anti-trust, and monopoly practices No legal actions were brought against PolyOne for anti-competitive behavior, anti-trust, or monopoly practices in 2018.

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

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 Índice Política antitruste revisada em 2021 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 leis antitruste 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

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 Índice Política Antimonopolio revisada de 2021 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 Содержание Пересмотренная антимонопольная политика в 2021 г. 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

Horká linka pro etiku https://www.Avient.com/company/policies-and- governance/ethics-hotline telefonu 1-877-228-5410 6 Obsah Revidované antimonopolní zásady 2021 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 Tartalomjegyzék 2021. évi módosított trösztellenes szabályzat 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

Ethische hotline https://www.Avient.com/company/policies-and- governance/ethics-hotline Telefonisch 1-877-228-5410 7 Inhoudsopgave Herzien Antitrustbeleid 2021 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

公 公 公 公 公 公 公 公 （“公 公 ”）公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 ，公 公 https://avient.referrals.selectminds.com/（“公 公 ”），Avient 公 公 公 公 、公 公 公 公 公 公 公 公 公 公 公 公 （公 公 公 “公 ”）公 公 公 公 公 ）。公 公 公 公 Avient 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 ，公 公 公 Avient 公 公 公 公 公 公 ：https://www.avient.com/company/policies-and-governance/avient-corporation-privacy-statement。公 公 公 公 公 https://edpb.europa.eu/about-edpb/board/members_en 公 公 公 公 公 ，公 公 公 公 公 公 公 公 公 公 、公 公 ，公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 公 。