According to the company, the precise thumb control and long-term comfort has made these new accessories “wildly popular.” 1 http://www.statista.com/statistics/237749/value-of-the-global- entertainment-and-media-market/ AVIENT HELPS GAMING ACCESSORIES COMPANY TAKE AIM AT NEW OPPORTUNITIES © 2020, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more, please contact Avient at +1.844.4AVIENT (1.844.428.4368)

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.

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

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/sustainability https://www.avient.com/investors https://edge.media-server.com/mmc/p/r2x4n7pt https://www.avient.com/investors https://register.vevent.com/register/BIb9438661fe984c4f9a842829169d2868 http://www.avient.com/investors/events-presentations 3 About Avient Avient Corporation (NYSE: AVNT), with 2021 revenues of $4.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

$1.74 $1.93 $2.80 2019PF 2020PF 2021E Adjusted EPS (1) + 61% (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition 4 Webcast Details The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media- server.com/mmc/p/eaivs28r. For more information, visit www.avient.com. # # # https://www.avient.com/investors/ https://edge.media-server.com/mmc/p/eaivs28r https://edge.media-server.com/mmc/p/eaivs28r https://www.avient.com/investors/ http://www.avient.com/ 5 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.

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.

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。 更新您的信息 https://edpb.europa.eu/about-edpb/board/members_en Avient 仅会将我们认为您可能感兴趣的职位告知与您。

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

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