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This is to certify that the Quality Management System of: Avient Corporation - Avon Lake 33587 Walker Road Avon Lake, OH 44012 The Quality Management System is applicable to: Certificate No: 65799 Certification Date: 01 October 2020 Effective Date: 25 September 2023 Expiration Date: 30 September 2026 Revision Date: 26 September 2023 Dominic Townsend, President DESIGN AND MANUFACTURE OF COLOUR AND ADDITIVE CONCENTRATES, THERMOPLASTIC RESINS AND SPECIALTY COMPOUNDS This certificate may be found on the ABS QE Website (www.abs-qe.com).

By 2030, Avient will enable 100% of our products manufactured for packaging applications to be recyclable or reusable to advance the circular economy, for which approximately 90% of Avient’s products met this criteria in 2020.

S&P 500 -150% -50% 50% 150% 250% 350% 450% 550% POL S&P 500 All time high of $43.34 July 1st, 2014 PolyOne Corporation Page 9 2006 2014 YTD 2015 “Where we were” “Where we are” Target 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 14.9% 12 – 16% Global Specialty Engineered Materials 1.1% 12.1% 12 – 16% Designed Structures & Solutions -- 7.6% 8 – 10% Performance Products & Solutions 5.5% 8.1% 9 – 12% Distribution 2.6% 6.2% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 65% 65 – 75% 3) ROIC* 5.0% 10.6% 15% 4) Adjusted EPS Growth N/A 37% Double Digit Expansion Proof of Performance & 2015 Goals *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period PolyOne Corporation Page 10 32% Adjusted EPS CAGR from 2011 2015 EPS: $2.50 2011 EPS: $0.82 Continued Gross Margin Expansion Mergers & Acquisitions Spartech Accretion Incremental Share Buybacks Ongoing LSS Programs (50-100 bps/yr) Accelerated Innovation & Mix Improvement Several Levers to Drive Growth Mid Single Digit Revenue Growth PolyOne Corporation Page 11 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 31% 2006 2013 Specialty Platform Gross Margin % 20% 43% 2006 2013 Specialty Vitality Index Target ≥ 35% Vitality Products + 700 to 1000 bps PolyOne Corporation Page 12 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 4 11 5 10 6 9 3 4 2 15 9 1 10 4 Breakthrough Platform Derivative A Rich Pipeline of Opportunity Number of Projects 25 14 19 17 18 93 Addressable Market ($ millions) TBD TBD $800 $450 $450 $1,700 PolyOne Corporation Page 13 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 14 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of September 30, 2014 Debt Maturities & Pension Funding – 9/30/14 Net Debt / EBITDA* = 1.7x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of September 30, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 9/30/2014 PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return Expanding our sales, marketing, and technical capabilities Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin Synergy opportunities Adjacent material solutions Repurchased 1.5 million shares in Q3 2014 Repurchased 9.7 million shares since early 2013  10.3 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends  Investing in operational and LSS initiatives (including synergy capture) Manufacturing alignment $0.16 $0.20 $0.24 $0.32 $0.40 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 Annual Dividend PolyOne Corporation Page 16 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

Website der Ethik-Hotline https://www.Avient.com/company/policies-and- governance/ethics-hotline Telefonisch eingehenden Meldungen an die Ethik-Hotline 1-877-228-5410 7 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 Sao Paulo, Brasilien Telefon: +55 11 4593 9200 Europa Regionale Hauptverwaltung Pommerloch, Luxemburg 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 Telefon: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com Kurzübersicht: RICHTIG und FALSCH im Kartellrecht Checkliste Kartellrecht Schutz vor Vergeltungsmaßnahmen Ethik-Hotline von Avient Meldung möglicher Verstöße Fazit Potenzielle Problembereiche in Bezug auf das Kartellrecht Verstöße gegen das Kartellrecht Ein Überblick über die US-Kartellgesetze Überblick über die Richtlinie

الخط الساخن للأخلاقيات في https://www.Avient.com/company/policies-and- governance/ethics-hotline فتاه 1-877-228-5410 6 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 القائمة المرجعية لمكافحة الاحتكار 1 ا بشكل قوي ومستقل في جميع الأوقات. واتصل بإدارة الشؤون القانونية لدى Avient عندما تسنح أول ثير فيه أحد المنافسين أيً إذا وجدت نفسك في مكان يُ فرصة لذلك، وقم بتوثيق الواقعة. 9 www.avient.com أمريكا الشمالية المقر العالمي آفون ليك، الولايات المتحدة الأمريكية ووكر رود آفون ليك، أوهايو ، 33587 الولايات المتحدة 44012 الخط المجاني: 9663 765 866 1+ الهاتف: 1000 930 440 1+ الفاكس:3064 930 440 1+ آسيا والمحيط الهادئ المقر الإقليمي بشنغهاي الصين ف، بلوك سي 200 جينسو رود2 بودونغ، 201206، شنغهاي، الصين الهاتف: 4888 6028 21 (0) 86+ الفاكس: 4999 6028 21 (0) 86+ أمريكا الجنوبية المقر الإقليمي ساو باولو ، البرازيل جادة فرانسيسكو ناكاساتو، 1700 إتوبيفا، ساو باولو، 000- 13295 البرازيل الهاتف: 9200 4593 11 55+ أوروبا المقر الإقليمي بومرلوتش، لوكسمبورغ طريق باستون بومرلوتش، 19 L-9638 ،لوكسمبورغ الهاتف: 35 050 269 352+ الفاكس: 45 050 269 352+ http://www.avient.com دليل الامتثال نظرة عامة على السياسة هل تعلم؟ نظرة عامة على قوانين مكافحة الاحتكار الأمريكية هل تعلم؟ انتهاكات قانون مكافحة الاحتكار هل تعلم؟ الجوانب المثيرة للمخاوف المحتملة فيما يتعلق بمكافحة الاحتكار الخلاصة الإبلاغ عن الانتهاكات المحتملة الخط الساخن للأخلاقيات في Avient الخط الساخن للأخلاقيات في القائمة المرجعية لمكافحة الاحتكار المرجع السريع: الأوامر والنواهي فيما يتعلق بمكافحة الاحتكار

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Etik Yardım Hattı https://www.Avient.com/company/policies-and- governance/ethics-hotline Etik Yardım telefon 1-877-228-5410 7 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 Sao Paulo, Brezilya Telefon: +55 11 4593 9200 Avrupa Bölge Merkezi Pommerloch, Lüksemburg 19 Route de Bastogne Pommer- loch, Lüksemburg, L-9638 Telefon: +352 269 050 35 Faks: +352 269 050 45 www.avient.com http://www.avient.com Rychlé rady: Antimonopolní zásady CO DĚLAT a CO NEDĚLAT Antitröst Kontrol Listesi Misillemeye Karşı Koruma Olası İhlallerin Bildirilmesi Sonuç Potansiyel Antitröst Endişe Kaynağı Alanlar Antitröst Yasası İhlalleri Amerika Birleşik Devletleri Antitröst Yasalarına Genel Bakış Politikaya Genel Bakış Avient Etik Yardım Hattı

Stronę infolinii ds. etyki https://www.Avient.com/company/policies-and- governance/ethics-hotline Telefoniczna 1-877-228-5410 7 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 Sao Paulo, Brazylia Tel. +55 11 4593 9200 Europa Regional Headquarters Pom- merloch, Luksemburg 19 Route de Bastogne Pommer- loch, Luksemburg, L-9638 Tel. +352 269 050 35 Faks: +352 269 050 45 www.avient.com http://www.avient.com Krótkie podsumowanie: CO ROBIĆ, a CZEGO NIE ROBIĆ w kontekście przepisów antymonopolowych Antymonopolowa lista kontrolna Ochrona przed działaniami odwetowymi Infolinia ds. etyki Avient Wniosek Potencjalne obszary zainteresowania w ramach antymonopolu Naruszenie prawa antymonopolowego Ogólny zarys amerykańskich Przepisów antymonopolowych Ogólny zarys niniejszej polityki Zgłaszanie możliwych naruszeń

Saluran Langsung Etika https://www.Avient.com/company/policies-and- governance/ethics-hotline Telepon 1-877-228-5410 7 mailto: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 Sao Paulo, Brasil Telepon: +55 11 4593 9200 Eropa Kantor Pusat Regional Pommerloch, Luksemburg 19 Route de Bastogne Pommerloch, Luksemburg, L-9638 Telepon: +352 269 050 35 Faks: +352 269 050 45 www.avient.com http://www.avient.com Referensi Cepat: ANJURAN dan LARANGAN Antimonopoli Daftar Periksa Antimonopoli Perlindungan dari Pembalasan Dendam Melaporkan Kemungkinan Pelanggaran Kesimpulan Potensi Bidang yang Harus Diperhatikan untuk Antimonopoli Pelanggaran Hukum Antimonopoli Ikhtisar Undang-Undang Antimonopoli A.S.