आचार सहंि ता | 17 वि षय-सचू ी परि चय हमार ी आचार सहंि ता सभ ी का समम्ान काम पर ईमानदार ीकाम पर ईमानदार ी हमार े वय्ापार म े ं ईमानदार ी कॉरप्ोर टे सामाजि क ससंाधन और सपंरक् जानकार ी http://polynet/ethics/CorporatePolicies/InformationSystemsUsePolicies/tabid/1885/Default.aspx http://polynet/ethics/CorporatePolicies/InformationSystemsUsePolicies/tabid/1885/Default.aspx http://polynet/ethics/GlobalPrivacyandDataProtectionPolicies/tabid/1870/Default.aspx http://polynet/ethics/CorporatePolicies/CyberandDataIncidentResponsePolicy/tabid/2729/Default.aspx अदंरनू ी सचूना और वय्ापारअदंरनू ी सचूना और वय्ापार Avient म े,ं आप Avient या कि स ी भ ी कपंन ी स े सबंधंि त भौति क जानकार ी स े अवगत हो सकत े ह ै,ं जि सक े साथ हम ऐसा वय्वसाय करत े ह ै ं जि सका जनता क े सामन े पर्कट ीकरण नह ी ं कि या गया ह ।ै आचार सहंि ता | 27 वि षय-सचू ी परि चय हमार ी आचार सहंि ता सभ ी का समम्ान काम पर ईमानदार ी हमार े वय्ापार म े ं ईमानदार ी कॉरप्ोर टे सामाजि क कॉरप्ोर टे सामाजि क ससंाधन और सपंरक् जानकार ी http://Avient.com/sustainability https://www.avient.com/company/sustainability/sustainability-report https://www.avient.com/company/sustainability/sustainability-report https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge-0 पर्शन् और उतत्रपर्शन् और उतत्र पर्शन्: म रे े परय्व केष्क न े म झु े एक नई अपशि षट् नि पटान पर्कर्ि या का पालन करन े क े लि ए कहा, ल केि न म झु े यक ीन नह ी ं ह ै कि यह सरुकष्ि त ह ै या काननू ी भ ी ह ।ै वि षय-सचू ी परि चय हमार ी आचार सहंि ता सभ ी का समम्ान काम पर ईमानदार ी हमार े वय्ापार म े ं ईमानदार ी कॉरप्ोर टे सामाजि क ससंाधन और सपंरक् ससंाधन और सपंरक् जानकार ीजानकार ी आचार सहंि ता | 30 http://avient.ethicspoint.com http://avient.ethicspoint.com http://avient.ethicspoint.com उतत्र ी अम रेि काउतत्र ी अम रेि का व शैव्ि क मखुय्ालय एवन ल के, सयंकुत् राजय् अम रेि का 33587 वॉकर रोड एवन ल के, OH, सयंकुत् राजय् अम रेि का 44012 टोल फर् ी: +1 866 765 9663 फोन: +1 440 930 1000 फ कैस्: +1 440 930 3064 एशि या पर्शातंएशि या पर्शातं पर्कष् तेर् ीय मखुय्ालय शघंाई, च ीन 2F, बल्ॉक C 200 जि नस् ू रोड प डुोगं, 201206 शघंाई, च ीन दरूभाष: +86 (0) 21 6028 4888 फ कैस्: +86 (0) 21 6028 4999 दकष्ि ण अम रेि का दकष्ि ण अम रेि का पर्कष् तेर् ीय मखुय्ालय साओ पॉलो, बर्ाज़ ील Av.

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)

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.

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.