subject= http://avient.ethicspoint.com 6 Snelle verwijzing: ABAC WEL DOEN EN NIET DOEN WEL DOEN • Beseffen dat Avient elke vorm van omkoping en corruptie verbiedt en geen faciliterende betalingen toestaat Francisco Nakasato, 1700 13295-000 Itupeva Sao Paulo, Brazilië Telefoon: +55 11 4593 9200 Europa Regionaal hoofdkantoor Pommerloch, Luxemburg 19 Route de Bastogne Pommerloch, Luxemburg, L-9638 Telefoon: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com

 Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance  Addressable market exceeds $40 billion PolyOne Corporation Page 17 Appendix PolyOne Corporation Page 18 +25% $262 $320 $200 $275 $350 2013 2014 Adjusted Operating Income (in millions) +22% 2014 Financial Highlights  All of our segments delivered both operating income and margin expansion during the year  Our specialty businesses achieved record levels of profits and profitability this year  Achieved 21st consecutive quarter, or over five years, of strong, double-digit adjusted EPS growth +37% $1.31 $1.80 $1.00 $1.50 $2.00 2013 2014 Adjusted EPS $195 $242 $150 $200 $250 2013 2014 Specialty Operating Income (in millions) PolyOne Corporation Page 19 Building & 7% Electrical & 1% 31% Textiles 7% 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 12-16% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Operating Income % of Sales At a Glance Global Color, Additives and Inks 2014 Revenues: $0.9 Billion Solutions Expanding Profits 2014 Revenue by Industry Segment 14.7% Target 36% PolyOne Corporation Page 20 4% Building & 18% Electrical & 16% At a Glance Global Specialty Engineered Materials 2014 Revenues: $0.6 Billion Solutions 2014 Revenue by Industry Segment Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12-16% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Operating Income % of Sales Target 12.1% 33% 19% PolyOne Corporation Page 21 2% Building & 23% 27% 30% 96% At a Glance Designed Structures and Solutions Solutions 2014 Revenues: $0.6 Billion Expanding Profits 2014 Revenue by Industry Segment 1.4% 5.6% 7.3% 8-10% 2012 2013 2014 2015 Operating Income % of Sales Target PolyOne Corporation Page 22 Building & 33% 5% Electrical & 1% 18% 16% 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 2006 2007 2008 2009 2010 2011 2012 2013 2014 Operating Income % of Sales At a Glance Performance Products and Solutions Solutions Expanding Profits 2014 Revenues: $0.8 Billion 9-12% Target 2014 Revenue by Industry Segment 2015 7.7% PolyOne Corporation Page 23 Building & 13% Electrical & 23% 15% 25% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.4% 5.9% 6 - 7.5% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Operating Income % of Sales 15% 52% 2006 2014 At a Glance Distribution *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Key Suppliers 2014 Revenues: $1.1 Billion ROIC* Expanding Profits 6.1% Target http://www.avient.com/Pages/VariationRoot.aspx PolyOne Corporation Page 24 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 25 Commitment to Operational Excellence 81% 93% 2006 2014 16.2% 9.9% 2006 2014 On-Time Delivery Working Capital % of Sales 5% 43% 2006 2014 Percent of Associates Trained in LSS  Four consecutive years – CFO Magazine Best Working Capital Management in the chemical industry World’s Best Business Process Excellence Program in 2012*  103 trained Black Belts  247 trained Green Belts  127 trained Kaizen Leaders World’s Best Start-up Program for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 26 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 4 11 5 10 6 9 3 4 2 15 9 1 10 4 Breakthrough Platform Derivative A Rich Pipeline of Opportunity Number of Projects 25 14 19 17 18 93 Addressable Market ($ millions) TBD TBD $800 $450 $450 $1,700 PolyOne Corporation Page 27 Application Examples PolyOne Corporation Page 28  $1.5 billion attractive, growing market  Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product  Aligned with megatrend of protecting the environment:  Sustainability benefits include lower package weight and improved recyclability of package at end of use Market Opportunity Leading Global Supplier of Additives In Fast Growing PET Market Shelf-life extension Greater product consistency Recyclability and reduced carbon footprint Color and Special Effects Weight reduction Enhanced product aesthetics High heat resistance 4% 4% 8% 9% 9% 10% 11% 14% Western Europe North America South America MEA Easter Europe Asia Pacific China India PET 2008-13P CAGR PET Bottling Technology PolyOne Corporation Page 29 • Includes formulation and consultative services to assist manufacturers and brand owners in positively identifying their finished goods • Protects brand equity & consumer welfare • Reduces exposure to unwarranted recall expenses • Secures supply chain integrity – support for safe expansion into new geographies Authentication Technology PolyOne Corporation Page 30 • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital Range Rover Evoque Interior PolyOne Corporation Page 31 • Reduced health and environmental impact • System cost reduction • Radiation-shielding performance • Parts consolidation • Design freedom CT Scanner PolyOne Corporation Page 32 Metal Replacement Solutions • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost PolyOne Corporation Page 33 Next Generation Solar Charger • Ginkgo Solar Tree charger utilizing our unique reSound™ material • reSound™ is a durable material consisting of 50% bio-derived plastic and 50% traditional petroleum-based plastic • Use of reSound™ reduced the carbon footprint for this product by 35% • reSound™ Is classified as a PolyOne Sustainable SolutionSM PolyOne Sustainable SolutionSM PolyOne Corporation Page 34 High-Barrier Packaging Containers • Capability to extrude up to 13 layers • Strong oxygen and moisture vapor transmission protection • Can be made symmetrical or asymmetrical to meet customized needs of broad variety of applications • Barrier protection and superior organoleptic properties PolyOne Corporation Page 35 Aerospace Applications • Leading provider of specialty materials for the aerospace industry • Typical applications  Mil-spec aircraft windows, canopies, windscreens, instrument panels, wingtip lenses  Interior – gallery furnishings, tray tables, arm rests, trim strips, joint/edge coverings • Benefits:  High impact strength  Resistant to UV rays  Flame and smoke compliance  Easy to clean with aggressive cleaners; anti-microbial grades available  Range of sizes, thicknesses, colors, etc.

http://Avient.com/sustainability http://Avient.com/sustainability 22 产品和服务的安全 Avient 提供的安全产品和服务可令客户满怀信心， 践行我们面向公众的职责，并保持我们的市场竞争 地位。 道德热线： https://www.Avient.com/company/policies-and-governance/ethics-hotline 道德热线电话： 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline 北美 全球总部，美国 Avon Lake 33587 Walker Road Avon Lake, OH, United States 44012 免费电话：+1 866 765 9663 电话：+1 440 930 1000 传真：+1 440 930 3064 亚太地区 地区总部，中国上海 金苏路 200 号 C 幢 2 楼 中国上海，邮编 201206 电话：+86 (0) 21 6028 4888 传真：+86 (0) 21 6028 4999 南美 地区总部，巴西圣保罗 Av. Francisco Nakasato, 1700 13295-000 Itupeva Sao Paulo, Brazil 电话：+55 11 4593 9200 欧洲 地区总部，卢森堡 Pommerloch 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 电话：+352 269 050 35 传真：+352 269 050 45 www.avient.com http://www.avient.com 首席执行官寄语 我们的愿景和战略 核心价值观和个人价值观 我们的《行为准则》 道德行为指南 个人价值观 解决问题和举报违规情况 道德热线 禁止打击报复 《行为准则》的适用范围 违反本准则的行为 尊重所有人กคน 多元和包容 歧视或骚扰 工作场所关系 物质滥用 人身安全和 工作场所暴力 工作诚实 准确的信息、数据和记录 会计诚信 政府调查和询查 政治献金/活动和慈善捐款 内幕信息和内幕交易 计算机安全、软件许可和版权 社交媒体和社交网络 互联网和电子邮件的使用 隐私、个人信息和数据保护 专有和机密信息、创意和知识产权 资产的保护和使用 公司通讯 我们企业的诚信 公平交易 贿赂和回扣 代理人和顾问 竞争 礼品和招待 利益冲突 假公济私 国际贸易 企业社会责任 可持续性 安全、健康和环境 产品和服务的安全 尊重人权 共同的承诺 资源和联系信息

http://Avient.com/sustainability http://Avient.com/sustainability 25 Q : Mon superviseur m’a demandé de suivre une nouvelle procédure de mise au rebut des déchets, mais je ne suis pas certain qu’elle soit sans danger ni même légale. Ligne d’assistance de l’éthique : https://www.Avient.com/company/policies-and-governance/ethics-hotline Numéro de téléphone de la ligne d’assistance liée à l’éthique : 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline Amérique du Nord Siège mondial d’Avon Lake, États-Unis 33587 Walker Road Avon Lake, Ohio, États-Unis 44012 Numéro gratuit : +1-866-765-9663 Téléphone : +1-440-930-1000 Télécopie : +1-440 930 3064 Asie Pacifique Siège régional de Shanghai, Chine 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, Chine Téléphone : +86 (0) 21 6028 4888 Télécopie : +86 (0) 21 6028 4999 Amérique du Sud Siège régional de Sao Paulo, Brésil Av. Francisco Nakasato, 1700 13295-000 Itupeva Sao Paulo, Brésil Téléphone : +55 11 4593 9200 Europe Siège régional Pommerloch, Luxembourg 19 Route de Bastogne Pommer- loch, Luxembourg, L-9638 Téléphone : +352 269 050 35 Télécopie : +352 269 050 45 www.avient.com http://www.avient.com

Fearon to serve as independent Lead Director Among other responsibilities, the independent Lead Director: Chairs�executive�sessions�of�the�non­employee�Directors�and�provides�feedback�and�perspective�to�the�Chief� Executive�Officer�regarding�discussions�at�these�sessions� Facilitates�communications�between�the�Chairman�and�other�members�of�the�Board� Provides�input�from�the�Directors�to�the�Chairman�of�the�Board�with�regard�to�agendas�and�schedules�for�Board� meetings� Advises�the�Chairman�of�the�Board�as�to�the�quality,�quantity�and�timeliness�of�the�flow�of�information�from� management�to�the�Board�and�regarding�the�effectiveness�of�Board�meetings� Interviews�all�Board�candidates,�and�provide�the�Nominating�and�Governance�Committee�with� recommendations�on�each�candidate� Maintains�close�contact�with�the�Chair�of�each�standing�committee�and�assists�in�maintaining�communications� between�each�committee�and�the�Board� Considers�the�retention�of�advisers�and�consultants�who�report�directly�to�the�Board�of�Directors� Chairs�Board�meetings�when�the�Chairman�of�the�Board�is�unable�to�do�so� Board Oversight of Risk Management The Board oversees risk management, setting appropriate “tone at the top” The Board assesses and analyzes the most likely areas of current and future risk for the Company on an on- going basis The Board regularly communicates with management regarding materials risks and to convey its expectations clearly Stock Ownership Requirements We maintain robust stock ownership requirements The stock ownership requirement for our Chief Executive Officer is 125,000 shares and for all other directors is 12,500 shares (within five years of onboarding) Board Practices Our Board annually conducts an evaluation of its performance, which includes a peer evaluation of each Director The Nominating and Governance Committee reviews criteria for Board membership and considers changes as needed so that the Board continues to reflect the appropriate mix of skills and experience Non-employee Directors may not stand for re-election following the date of the Director’s 72nd birthday, although the Board may waive this limitation if it determines such waiver to be in the best interests of the Company All Directors stand for election annually We maintain a majority voting policy for uncontested Director elections PROXY STATEMENT POLYONE CORPORATION PolyOne Center 33587 Walker Road Avon Lake, Ohio 44012 PROXY STATEMENT Dated March 29, 2018 Our Board respectfully requests your proxy for use at the Annual Meeting to be held at PolyOne’s corporate headquarters located at PolyOne Center, 33587 Walker Road, Avon Lake, Ohio 44012 at 9:00 a.m. on Thursday, May 17, 2018, and at any adjournments of that meeting. Our Board sets the appropriate “tone at the top” when it comes to risk tolerance and management.

Our Board sets the appropriate “tone at the top” when it comes to risk tolerance and management by fostering a culture of risk-adjusted decision-making throughout PolyOne. The Consultant specifically used the following surveys: the Consultant’s executive compensation database; the Consultant’s Top Management Compensation Survey and Mercer’s Executive Compensation Survey.

http://Avient.com/sustainability 25 S: Amirim benden yeni bir atıkların bertarafı prosedürüne uymamı istedi, ancak bunun güvenli ve hatta yasal olduğundan emin değilim. Etik Yardım Hattı: https://www.Avient.com/company/policies-and-governance/ethics-hotline Etik Yardım Hattı Telefon Numarası: 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline Kuzey Amerika Global Genel Müdürlük Avon Lake, Amerika Birleşik Devletleri 33587 Walker Road Avon Lake, OH, Amerika Birleşik Devletleri 44012 Ücretsiz: 1-866-765-9663 Telefon: 1-440-930-1000 Faks: +440 930 3064 Asya Pasifik Bölge Merkezi Şanghay, Çin 2F, Block C 200 Jinsu Road Pudong, 201206 Şanghay, Çin Telefon: +86 (0) 21 6028 4888 Faks: +86 (0) 21 6028 4999 Güney Amerika Bölge Merkezi Sao Paulo, Brezilya Av. 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 İcra Kurulu Başkanı’ndan Mesaj Vizyonumuz ve Stratejimiz Temel ve Kişisel Değerler Davranış Kurallarımız Etik Davranış için Kurallar Kişisel Değerler Sorunların Çözümlenmesi ve Uygunsuz Durumların Rapor Edilmesi Etik Yardım Hattı Misilleme Yapmama Davranış Kurallarının Uygulaması Kuralların İhlalleri Herkese Saygı Çeşitlilik ve Katılım Ayırımcılık veya Taciz İşyeri İlişkileri Madde Bağımlılığı Fiziksel Güvenlik ve İşyerinde Şiddet İşyerinde Dürüstlük Doğru Bilgiler, Veriler ve Kayıtlar Muhasebe Dürüstlüğü Hükümet Soruşturmaları ve Araştırmaları Yardım Amaçlı Katkılar Siyasi Katkılar/Faaliyetler ve İçeriden Bilgiler ve Bunlara Dayalı Menkul Değer Alım Satımı Bilgisayar Güvenliği, Yazılım Lisansı ve Telif Hakları Sosyal Medya ve Sosyal Ağ Oluşturma Gizlilik, Kişisel Bilgiler ve Veri Koruma Fikri Mülkiyet Özel ve Gizli Bilgiler, Fikirler ve Varlıkların Korunması ve Kullanımı Şirket İletişimleri İnternet ve E-posta Kullanımı İşletmemizde Dürüstlük Dürüst İş Yapmak Rüşvet ve Bahşişler Temsilciler ve Danışmanlar Rekabet Hediyeler ve Ağırlama Çıkar Çatışması Kendi Yararına İşlem Uluslararası Ticaret Kurumsal Sosyal Sorumluluk Sürdürülebilirlik Güvenlik, Sağlık ve Çevre Ürün ve Hizmet Güvenliği İnsan Haklarına Saygı Ortak Bir Taahhüt Kaynaklar ve İletişim Bilgileri

http://Avient.com/sustainability 25 Pyt.: Przełożony poprosił o dostosowanie się do nowej procedury dotyczącej gospodarowania odpadami, jednak nie mam pewności, czy jest ona bezpieczna i czy w ogóle zgodna z prawem. Infolinia ds. etyki: https://www.Avient.com/company/policies-and-governance/ethics-hotline Numer telefonu Infolinii ds. etyki: 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline Ameryka Północna Global Headquarters Avon Lake, Stany Zjednoczone 33587 Walker Road Avon Lake, OH, Stany Zjednoczone 44012 Bezpłatny numer telefonu: +1-866-765-9663 Numer telefonu: +1-440-930-1000 Faks: +440 930 3064 Azja i Pacyfik Regional Headquarters Shanghai, Chiny 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, Chiny Tel. +86 (0) 21 6028 4888 Faks: +86 (0) 21 6028 4999 Ameryka Południowa Regional Headquarters Sao Paulo, Brazylia Av. 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

http://Avient.com/sustainability 25 D: il mio supervisore mi ha chiesto di seguire una nuova procedura di smaltimento dei rifiuti ma non sono certo che sia sicura o addirittura legale. Linea di assistenza telefonica sull’etica: https://www.Avient.com/company/policies-and-governance/ethics-hotline Numero della linea di assistenza telefonica sull’etica: 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline Nord America Sede globale Avon Lake, Stati Uniti 33587 Walker Road Avon Lake, Ohio, Stati Uniti 44012 Numero verde: +1 866 765 9663 Telefono: +1 440 930 1000 Fax: +1 440 930 3064 Asia Pacifico Sede regionale Shanghai, Cina 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, Cina Telefono: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 America del Sud Sede regionale San Paolo, Brasile Av. Francisco Nakasato, 1700 13295-000 Itupeva San Paolo, Brasile Telefono: +55 11 4593 9200 Europa Sede regionale Pommerloch, Lussemburgo 19 Route de Bastogne Pommer- loch, Lussemburgo, L-9638 Telefono: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com

http://Avient.com/sustainability 25 A biztonságos munkavégzés és életmód életfelfogásunk része. Etikai forródrót: https://www.Avient.com/company/policies-and-governance/ethics-hotline Az etikai forródrót telefonszáma: 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline Észak-Amerika Globális Központ Avon Lake, Egyesült Államok 33587 Walker Road Avon Lake, OH, Egyesült Államok 44012 Ingyenesen hívható telefonszám: +1 866 765 9663 Telefon: +1 440 930 1000 Fax: +440 930 3064 Ázsia és a Csendes-óceáni térség Regionális Központ Sanghaj, Kína 2F, Block C 200 Jinsu Road Pudong, 201206 Sanghaj, Kína Telefonszám: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 Dél-Amerika Regionális központ São Paulo, Brazília Av. Francisco Nakasato, 1700 13295-000 Itupeva São Paulo, Brazília Telefonszám: +55 11 4593 9200 Európa Regionális Központ Pommerloch, Luxemburg 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 Telefonszám: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com Alapvető és személyes értékek Víziónk és stratégiánk Üzenet a CEO-tól Magatartási kódexünk Az etikus magatartás irányelvei Személyes értékek Problémamegoldás és a szabálysértések jelentése Etikai forródrót Tilos a megtorlás!