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PolyOne Corporation Page 4 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • 20 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Goal of $2.50 adjusted EPS by 2015, three times the EPS generated in 2011 of $0.82 • Drive double digit operating income and adjusted EPS growth PolyOne Corporation Page 5 Building & Construction 13% Industrial 12% Transportation 18% Wire & Cable 9% Packaging 16% Consumer 10% HealthCare 11% Appliance 6% Electronics & Electrical 5% 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia 6% Latin America 6% Specialty 54% PP&S 18% Distribution 28% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 Specialty Operating Income PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $191M Target Mix Shift Highlights Specialty Transformation Transformation 2015 Target PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs.

PolyOne Corporation Page 3 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • 19 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Goal of $2.50 Adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth PolyOne Corporation Page 4 Building & Construction 13% Industrial 12% Transportation 18% Wire & Cable 9% Packaging 16% Consumer 10% HealthCare 11% Appliance 6% Electronics & Electrical 5% 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia 6% Latin America 6% Specialty 54% PP&S 18% Distribution 28% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 Specialty Operating Income PolyOne Corporation Page 5 Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 66% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $129M Target Mix Shift Highlights Specialty Transformation 2015 Target PolyOne Corporation Page 6 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 7 -150% -50% 50% 150% 250% 350% 450% 550% POL S&P 500 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs.

Use of Non-GAAP Measures Page 3 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • 18 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Targeting $2.50 Adjusted EPS by 2015, nearly double 2013 EPS • Drive double digit operating income and adjusted EPS growth Page 4 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion Page 5 PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia 6% Latin America 6% Specialty 54% PP&S 18% Distribution 28% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 Specialty Operating Income Building & Construction 13% Industrial 12% Transportation 18% Wire & Cable 9% Packaging 16% Consumer 10% HealthCare 11% Appliance 6% Electronics & Electrical 5% Old PolyOne Transformation *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 64% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 Q1 2014 2015 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $60M Target Mix Shift Highlights Specialty Transformation 2015 Target Page 6 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence Page 7 -150.00% -50.00% 50.00% 150.00% 250.00% 350.00% 450.00% 550.00% PolyOne S&P 500 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs.

Einige Beispiele unserer Geschäftsaufzeichnungen umfassen: • Entwicklung neuer Produkte • Testergebnisse • Laborberichte • Forschungsdaten • Finanzberichte • Ausgabenberichte • Rechnungen • Zeitaufzeichnungen • Personalaufzeichnungen • Geschäftspläne • Briefe, Newsletter-Memoranden und E-Mails an Mitarbeiter • Auf The Loop gepostete Informationen Unternehmenseigene und vertrauliche Informationen umfassen: • Geschäftspläne und Richtungsstrategien • Forschungs- und technische Daten • Produktrezepte und Verfahrenstechnologien • Produktverantwortung • Handelsgeheimnisse, Technologien und „Know-how“ • Informationen über unsere Wettbewerbssituation • Unveröffentlichte Finanzinformationen und finanzielle Prognosen • Produktkosteninformationen • Informationen über vorgeschlagene Verträge und Transaktionen • Kunden-, Lieferanten-, Preisgestaltungs- und sonstige Informationen • Computersoftware und für unser Unternehmen entwickelte Computersysteme • Alle sonstigen Informationen, die für einen Konkurrenten nützlich sein könnten VERHALTENSKODEX | 13 INHALTSANGABE EINLEITUNG UNSER VERHALTENSKODEX RESPEKT FÜR ALLE EHRLICHKEIT BEI DER ARBEIT INTEGRITÄT IN UNSEREM GESCHÄFT SOZIALE VERANTWORTUNG DES UNTERNEHMENS RESSOURCEN Fragen & Antworten F: Mein Vorgesetzter ist im Urlaub und ich bin in seiner Abwesenheit gebeten worden, einen Vertrag im Namen des Unternehmens zu unterzeichnen. Personenbezogene Daten sind alle Daten, die zur Identifizierung einer Person verwendet werden können, wie etwa: • Von einer Regierung ausgegebene Erkennungsnummern, wie etwa Sozialversicherungs- oder nationale Versicherungsnummern • Vergütungsinformationen • Krankenakten • Leistungsaufzeichnungen • Privatadressen und private Telefonnummern Verwendung von Internet und E-Mail Avient stellt unseren Mitarbeitern Zugang zu vielen Formen von elektronischen Medien zur geschäftlichen Verwendung bereit. Einige Beispiele: • Einnahmen oder Schätzungen oder sonstige Finanzinformationen vor ihrer öffentlichen Freigabe • Erhebliche Änderungen des Betriebsniveaus • Diskussionen über wichtige Transaktionen, einschließlich Akquisitionen, Joint-Ventures oder Veräußerungen • Informationen über unsere finanzielle Verfassung, Prognosen und Pläne, Marketing- und Verkaufsprogramme und F & E-Informationen • Veränderungen in der oberen Geschäftsführung, die noch nicht öffentlich bekannt gegeben worden sind • Vergabe oder Aufhebung wichtiger Verträge mit Kunden oder Lieferanten • Anstehende Produkte oder neue Produkte, Dienstleistungen oder Verfahren • Das Bestehen von wichtigen Aufsichtsverfahren, Regierungsermittlungen und Gerichtsverfahren unter Beteiligung des Unternehmens und Entwicklungen mit Bezug zu solchen Verfahren VERHALTENSKODEX | 18 INHALTSANGABE EINLEITUNG UNSER VERHALTENSKODEX RESPEKT FÜR ALLE EHRLICHKEIT BEI DER ARBEIT INTEGRITÄT IN UNSEREM GESCHÄFT SOZIALE VERANTWORTUNG DES UNTERNEHMENS RESSOURCEN Politische Spended/Aktivitäten und gemeinnützige Spenden Avient fordert Sie auf, über wichtige Themen informiert zu bleiben, zu wählen und sich am politischen Prozess zu beteiligen.

Nikrant 2:30 Designed Structures and Solutions Michael E. Van Hulle Senior Vice President, President of Global Color, Additives & Inks Michael E. Garratt Senior Vice President, President of Performance Products & Solutions John Midea Senior Vice President, Global Operations & Process Improvement Mark Crist Senior Vice President, President of PolyOne Distribution Cathy Dodd Vice President, Marketing Chris Murphy Vice President, Research & Development, Chief Innovation Officer Kurt Schuering Vice President, Global Key Account Management The Leaders Behind the Team PolyOne Corporation Page 8 Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • Substantial EPS growth from $0.13 to all-time high of $1.80 • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Specialty mix expands to 65% of Operating Income – strongest mix of earnings in history • Accelerating growth • Deliver consistent double digit annual EPS growth • Maintain >35% vitality index • Pursue strategic acquisitions that expand specialty offerings and geographic breadth • Invest and grow current and next generation talent PolyOne Corporation Page 9 2006 2014 “Where we were” “Where we are” Operating Income % Specialty: Global Color, Additives & Inks 1.7% 14.7% Global Specialty Engineered Materials 1.1% 12.1% Designed Structures & Solutions 1.4%(2012) 7.3% Performance Products & Solutions 5.5% 7.7% Distribution 2.6% 6.1% Specialty Platform % of Operating Income 6.0% 65% ROIC 5.0% 11.3% Adjusted EPS Growth N/A 37% Proof of Performance PolyOne Corporation Page 10 2% 34% 43% 62% 65% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty Old PolyOne Mix Shift Highlights Specialty Transformation New PolyOne Transformation Specialty OI $5M $46M $87M $195M $242M *Operating Income excludes corporate charges and special items PolyOne Corporation Page 11 2014 2015 Target “Where we are” (Est. in 2012) Operating Income % Specialty: Global Color, Additives & Inks 14.7% 12 – 16% Global Specialty Engineered Materials 12.1% 12 – 16% Designed Structures & Solutions 7.3% 8 – 10% Performance Products & Solutions 7.7% 9 – 12% Distribution 6.1% 6 – 7.5% Specialty Platform % of Operating Income 65% 65 – 75% ROIC 11.3% 15% Adjusted EPS Growth 37% Double Digit Expansion Proof of Performance PolyOne Corporation Page 12 • Sold non-core resin assets – EPS dilutive • Completed acquisition of Spartech • Housing starts below 1.25 million units Single family units 30% below expectations • Longstanding weakness in Europe, and decline in Euro Successfully Navigating Change Since 2012 PolyOne Corporation Page 13 -100% 0% 100% 200% 300% 400% 500% 600% POL S&P 500 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 '06 '07 '08 '09 '10 '11 '12 '13 '14 ‘06-‘14 Adjusted EPS CAGR = 40% Adjusted EPS Share Price vs.

Náš Kodex chování 2023 Obsah Zpráva od generálního ředitele 1 Naše vize a strategie 2 Klíčové a osobní hodnoty 2 Náš Kodex chování Pokyny pro etické chování 4 Osobní hodnoty 4 Řešení otázek a hlášení nedodržování předpisů 6 Horká linka pro etiku 6 Žádná odvetná opatření 6 Uplatňování Kodexu chování 7 Porušení Kodexu 7 Respekt vůči všem Diverzita a inkluze 9 Diskriminace nebo obtěžování 9 Vztahy na pracovišti 9 Užívání návykových látek 10 Fyzické bezpečí a násilí na pracovišti 10 Poctivost na pracovišti Přesné informace, data a záznamy 12 Účetní integrita 12 Firemní komunikace 14 Zabezpečení a používání majetku 14 Vlastnické a důvěrné informace, nápady a duševní vlastnictví 14 Soukromí, osobní údaje a ochrana údajů 15 Používání internetu a e-mailů 15 Sociální média a sdružování na sociálních sítích 16 Bezpečnost počítačů, licence na software a autorská práva 16 Informace a obchodování zasvěcených osob 16 Politické příspěvky/aktivity a charitativní příspěvky 17 Vládní vyšetřování a dotazy 17 Integrita při našem podnikání Spravedlivé jednání 19 Úplatky a nelegální provize 19 Zástupci a konzultanti 20 Spravedlivá soutěž 20 Dary a pohoštění 20 Střety zájmů 21 Nekalé finanční transakce 22 Mezinárodní obchod 22 Společenská odpovědnost firmy Trvalá udržitelnost 24 Bezpečnost, zdraví a životní prostředí 24 Bezpečnost výrobků a služeb 25 Respektování lidských práv 25 Společný závazek 25 Zdroje informací a kontaktní údaje 26 1 Obsah Zpráva od generálního ředitele Vážení spolupracovníci ve společnosti Avient, jako součást rozrůstající se globální organizace čelíme náročným situacím a složitému rozhodování. Některé příklady firemních záznamů: • Vývoj nových produktů • Výsledky testů • Laboratorní zprávy • Údaje z výzkumů • Finanční výkazy • Vyúčtování výdajů • Faktury • Hodinovníky • Záznamy o personálu • Pracovní plány • Dopisy, zpravodaje a e-mailové adresy spolupracovníků • Informace publikované v The Loop Vlastnické a důvěrné informace zahrnují: • Pracovní plány a strategie směrování • Údaje z výzkumů a technická data • Složení výrobků a technologie zpracování • Řízení výrobků • Obchodní tajemství, technologie a „know-how“ • Informace o naší konkurenceschopné pozici • Nepublikované finanční údaje a plány • Informace o nákladech na výrobky • Informace o navrhovaných smlouvách a transakcích • Informace o zákaznících, dodavatelích, cenách a jiné obchodní informace • Počítačový software a systémy vyvinuté pro naši společnost • Jakékoliv jiné informace, které by mohly být užitečné pro konkurenci 14 Obsah Otázky a odpovědi Otázka: Moje vedoucí je na dovolené a v době její nepřítomnosti jsem byla požádána, abych jménem společnosti podepsala smlouvu Vím, že to je důležitá smlouva a všichni chtějí, aby byla rychle uzavřená. Osobní údaje jsou jakékoli informace, které lze použít k identifikaci nějaké osoby, například: • Státem vydaná identifikační čísla, jako je rodné číslo nebo číslo občanského průkazu • Informace o odměňování • Zdravotní anamnéza • Záznamy o výkonu • Soukromé adresy a telefonní čísla Používání internetu a e-mailů Společnost Avient svým spolupracovníkům poskytuje přístup k mnoha formám elektronických médií pro pracovní využití.

Personal Values INTEG R IT Y R E SP ECT H O N E S T Y Core Values COLLABO R A T IO N E X C EL LE NCE INNOVATION OUR CULTURE 1 Annual Report | 2022 Dear Avient Shareholders, 2022 was a challenging year but also one filled with significant accomplishments that we look back on with a great sense of pride. Beggs /S/ ROBERT E. ABERNATHY Director February 22, 2023 Robert E.

Davranış Kurallarımız 2023 İçindekiler İcra Kurulu Başkanı’ndan Mesaj 1 Vizyonumuz ve Stratejimiz 2 Temel ve Kişisel Değerler 2 Davranış Kurallarımız Etik Davranış için Kurallar 4 Kişisel Değerler 4 Sorunların Çözümlenmesi ve Uygunsuz Durumların Rapor Edilmesi 6 Etik Yardım Hattı 6 Misilleme Yapmama 6 Davranış Kurallarının Uygulaması 6 Kuralların İhlalleri 7 Herkese Saygı Çeşitlilik ve Katılım 9 Ayırımcılık veya Taciz 9 İşyeri İlişkileri 9 Madde Bağımlılığı 10 Fiziksel Güvenlik ve İşyerinde Şiddet 10 İşyerinde Dürüstlük Doğru Bilgiler, Veriler ve Kayıtlar 12 Muhasebe Dürüstlüğü 12 Şirket İletişimleri 14 Varlıkların Korunması ve Kullanımı 14 Özel ve Gizli Bilgiler, Fikirler ve Fikri Mülkiyet 14 Gizlilik, Kişisel Bilgiler ve Veri Koruma 15 İnternet ve E-posta Kullanımı 15 Sosyal Medya ve Sosyal Ağ Oluşturma 15 Bilgisayar Güvenliği, Yazılım Lisansı ve Telif Hakları 16 İçeriden Bilgiler ve Bunlara Dayalı Menkul Değer Alım Satımı 16 Siyasi Katkılar/Faaliyetler ve Yardım Amaçlı Katkılar 16 Hükümet Soruşturmaları ve Araştırmaları 17 İşletmemizde Dürüstlük Dürüst İş Yapmak 19 Rüşvet ve Bahşişler 19 Temsilciler ve Danışmanlar 20 Rekabet 20 Hediyeler ve Ağırlama 20 Çıkar Çatışması 21 Kendi Yararına İşlem 22 Uluslararası Ticaret 22 Kurumsal Sosyal Sorumluluk Sürdürülebilirlik 24 Güvenlik, Sağlık ve Çevre 24 Ürün ve Hizmet Güvenliği 25 İnsan Haklarına Saygı 25 Ortak Bir Taahhüt 25 Kaynaklar ve İletişim Bilgileri 26 1 İçindekiler İcra Kurulu Başkanı’ndan Mesaj Sayın Avient Çalışanları, Büyüyen, küresel bir şirketin bir parçası olarak zorlu durumlar ve karmaşık bir karar verme süreci ile karşı karşıyayız. İş kayıtlarımızın bazı örnekleri şunları içermektedir: • Yeni ürün geliştirme • Test sonuçları • Laboratuvar raporları • Araştırma verileri • Finansal Raporlar • Harcama raporları • Faturalar • Zaman kayıtları • Personel kayıtları • İş planları • Çalışanlara gönderilen mektuplar, bülten notları ve e-postalar • Loop’ta yayınlanan bilgiler Özel ve gizli bilgiler şunları içermektedir: • İş planları ve yönetim stratejileri • Araştırma ve teknik veriler • Ürün verileri ve süreç teknolojileri • Ürün yönetimi • Ticari sırlar, teknolojiler ve “know how” • Rekabetçi konumumuz hakkındaki bilgiler • Yayınlanmamış mali bilgiler ve projeksiyonlar • Ürün maliyeti bilgisi • Önerilen sözleşmeler ve işlemler hakkındaki bilgiler • Müşteri, satıcı, fiyatlandırma ve diğer ticari bilgiler • İşletmemiz için geliştirilen bilgisayar yazılımı ve sistemleri • Bir rakip için yararlı olabilecek diğer bilgiler 14 İçindekiler Soru ve Cevap S: Yöneticim tatilde ve onun yokluğunda benden Şirket adına bir sözleşmeye imza atmamı istedi. Kişisel bilgiler, birisini tanımlamak amacıyla kullanılabilecek her türlü bilgidir, örneğin: • Sosyal Güvenlik ya da ulusal sigorta numaraları gibi devlet tarafından verilen kimlik numaraları • Tazminat bilgileri • Tıbbi geçmiş • Performans kayıtları • Kişisel adres ve telefon numaraları İnternet ve E-posta Kullanımı Avient, çalışanlarının iş amacıyla pek çok elektronik iletişim aracına erişmesine imkân sunar.