Weitere Informationen darüber, wie Avient Ihre persönlichen Daten für diese Dienste und Websites Dritter verarbeitet, finden Sie in der Datenschutzerklärung der Avient Corporation, die unter (https://www.avient.com/company/policies-and- governance/avient-corporation-privacy-statement) verfügbar ist. Wenn Sie Grund zu der Annahme haben, dass Ihre Interaktion https://edpb.europa.eu/about-edpb/board/members_en mit uns nicht mehr sicher ist, informieren Sie uns bitte umgehend über das Problem, indem Sie sich über die unten stehenden „Kontakt“-Informationen an uns wenden. 7. August 2020 mailto:PRIVACY.OFFICER@AVIENT.COM https://privacyportal.onetrust.com/webform/b25cf7b1-a93a-4d26-8c84-ceda4d0ae91b/e180cbe4-d1b9-49bd-b621-cb5f6a0f42cb https://privacyportal.onetrust.com/webform/b25cf7b1-a93a-4d26-8c84-ceda4d0ae91b/e180cbe4-d1b9-49bd-b621-cb5f6a0f42cb mailto:PRIVACY.OFFICER@AVIENT.COM

A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations immediately following the conference call and will be accessible for one year. 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.

Our Code of Conduct and Ethics Hotline are available at: https://www.polyone.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.polyone.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.polyone.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.polyone.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.polyone.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.polyone.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.polyone.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.polyone.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.polyone.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.polyone.com/investors/governance 102–29 Identifying and managing economic, environmental, and social impacts Performance—Board of Directors https://www.polyone.com/investors/governance 102–30 Effectiveness of risk management processes Performance—Board of Directors Proxy Statement Page 18 https://www.polyone.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.polyone.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.polyone.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.polyone.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.polyone.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.

À Paris, le 17 juillet 2020 1 Disponible sur le site du COTREP : https://www.cotrep.fr/content/uploads/sites/3/2019/02/tri-p1-emballages-sombres-v01-2019.pdf https://www.cotrep.fr/content/uploads/sites/3/2019/02/tri-p1-emballages-sombres-v01-2019.pdf

À Paris, le 17 juillet 2020 1 Disponible sur le site du COTREP : https://www.cotrep.fr/content/uploads/sites/3/2019/02/tri-p1-emballages-sombres-v01-2019.pdf https://www.cotrep.fr/content/uploads/sites/3/2019/02/tri-p1-emballages-sombres-v01-2019.pdf

• Geçerli yasalara uygun olarak örgütlenme özgürlüğünü ve toplu sözleşme hakkını korumak • Ücret, sosyal haklar ve fazla mesai dahil olmak üzere ücret ve çalışma saati gerekliliklerini düzenleyen tüm geçerli yasalara uymak. https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf Etik ve Yönetişim • Tüm ticari müzakereleri sorumlu, etik ve yasal bir şekilde yürütün. • Faaliyet gösterdiğiniz yerlerde iş yapmak için gerekli uygun lisanslara, kayıtlara ve sertifikalara sahip olun. • Tüm teklifleri, iş yazışmalarının doğrudan bir kopyasını yazılı olarak uygun kaynak alım ve tedarik uzmanlarına verin. • Avient çalışanlarına kişisel kullanımları veya yararları için para, borç, kredi, önyargılı indirimler, hediyeler, ürünler veya hizmetler sunmaktan kaçının.

Advantages Recyclability, enhanced toughness, chemical resistance, noise and vibration damping, post-formability, and lower density DURABILITY STRENGTH • Corrosion resistance for marine and deep water applications • Improved shock resistance with aramid fibers • Protection from shrapnel for military barriers • Structural performance in aerospace and marine markets • High tensile strength for industrial applications © 2020 Avient, All Rights Reserved For more information on advanced composites, visit avient.com or call +1.844.4AVIENT http://avient.com

Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com http://www.avient.com/

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.polyone.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. • Audit must be conducted during normal business hours; and • All persons attending the audit may be required to sign a non-disclosure agreement prior to being permitted into PolyOne facilities. Refer to PolyOne Internet site – About Us > Locate Us http://www.polyone.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.polyone.com/en-us/docs/Documents/PolyOne%20No%20Surprises%20Pledge.pdf

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