• PolyOne’s chief operating decision makers use these financial measures to  monitor and evaluate the ongoing performance of the Company and each  business segment and to allocate resources.  Senior management uses adjusted operating income, adjusted EPS, and working capital to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and that current levels may serve as a base for future performance.

 PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. The New PolyOne: A Specialty Growth Company Segment Highlights 16POLYONE CORPORATION 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 14.7% 16.7% 16.0% 2017 Revenue: $0.9 Billion United 46% 31% Asia 15% Latin South (27%) (14%) (10%) Textiles (12%) (8%) 15.5% Color, Additives & Inks 17POLYONE CORPORATION 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1% 14.7% United 48% 28% 22% (20%) (19%) Electrical & Electronics (15%) (13%) (11%) 12.5% 2017 Revenue: $0.6 Billion Operating Income % of Sales 14.3% Specialty Engineered Materials 18POLYONE CORPORATION 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 7.7% 8.3% 12-14% 10.7% 11.1% United 77% 16% Latin 5% Building & Construction (30%) (16%) (15%) (18%) 2017 Revenue: $0.7 Billion Operating Income % of Sales Performance Products & Solutions 19POLYONE CORPORATION 23% 22% 18% 15% Appliance 7% E & E 6% B & C 3% W & C 38% ROIC* 2.6% 3.0% 3.5% 4.6% 5.6% 6.4% 5.9% 6.1% 6.6% 6.5 - 7.5%6.3% *After-Tax ROIC 6.4% 2017 Revenue: $1.2 Billion Key Suppliers 4.0% Distribution http://www.polyone.com/Pages/VariationRoot.aspx http://www.polyone.com/Pages/VariationRoot.aspx Target End Markets & Application Examples 21POLYONE CORPORATION Thermally Conductive Chemical Resistant Polymer Colorants Elastomeric Grips and Handles Structural Composites Antimicrobial Technologies Anti-Counterfeiting Target End Markets… Healthcare Catheter Technologies 22POLYONE CORPORATION Under-hood Components Target End Markets… Automotive Interior Structural Components Sound & Vibration Management Roof Systems Air Management Electronics and Cameras Lighting Exterior / Interior Trim Braces & Brackets Fasteners Seals & Flaps 23POLYONE CORPORATION Target End Markets… Consumer Thermally Conductive Components Polymer Colorants Elastomeric Grips and Handles Structural Composite Components 24POLYONE CORPORATION Oxygen Scavenger Laser Marking Additives Antistatic Technologies UV Light Barrier Technologies Cap & Closure Colorants Process Optimization Antioxidant Technologies Density Modified Technologies Target End Markets… Packaging 25POLYONE CORPORATION  Impart weight, sound and metallic finish to caps and closures for cosmetics and spirits applications  Elevate quality and prestige perceptions among high-end consumers  Eliminate time and cost associated with secondary operations and assembly Luxury Packaging GravitechTM Density Modified Polymers 26POLYONE CORPORATION Optimize Color Usage OnColorTM Super Concentrates  Eliminate costs by increasing pigment density  Enhance color performance without altering form and formulation  Increasing design capabilities by reducing weight and layer thickness 27POLYONE CORPORATION Combat Bacteria Formation WithStandTM Antimicrobial Technology  Inhibit microbial growth on polymer surfaces  Enhance value or products and devices  Highly versatile concentrate with the ability to be incorporated into a wide variety of products 28POLYONE CORPORATION Medical Device Housings Chemically Resistant Engineered Polymers  Durable, long-lasting products stand up to the most aggressive disinfectants  Minimize environmental stress cracking and discoloration  One of the broadest medically approved polymer and colorant portfolios 29POLYONE CORPORATION Color & Design Services  Greater control of color development and supply chain  Work across entire design process from concept to commercialization  Inspire creativity in the use of polymer materials, colors, and effects  Innovative brand differentiation  Faster development timelines 30POLYONE CORPORATION Outdoor Applications  Leading provider of high performance specialty materials for the recreational and sports & leisure industry  Well positioned across all segments to address market needs  Metal to Polymer Conversion  Lightweighting  Thermal Management  Impact Performance 31POLYONE CORPORATION  ColorMatrix Fiber Colorant  Proprietary advanced liquid color formulations and equipment enable greater efficiency and productivity  Eliminates aqueous dyeing and its associated wastewater treatment  Solid Color Concentrates  Extrusion-spun fibers colored via solid masterbatch Fiber Colorants 32POLYONE CORPORATION Smart Home Devices ResilienceTM Vinyl Solutions  High flame retardancy to meet strict UL standards  Greater processing and design flexibility  Specialized additives provide long term color stability  Diffusive lens materials improve light dispersion 1 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne common shareholders, adjusted earnings per share (EPS) attributable to PolyOne common shareholders and adjusted earnings before interest, taxes, depreciation and amortization (EBITDA) to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and that current levels may serve as a base for future performance.

PolyOne’s chief operating decision makers use these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. Senior management uses adjusted operating income, adjusted EPS, and working capital to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and that current levels may serve as a base for future performance.

P1PC-011AquamixFactSheet2.indd Aquamix™ Dispersions & Emulsions Using 40 years of customization and technical expertise, Aquamix dispersions and emulsions from PolyOne® Chemists help latex formulators, adhesive manufacturers, specialty coatings producers, and polymer manufacturers shorten development cycles, streamline operations, and more effectively use resources. UV Stabilizer Dispersion Tinuvin® P Aquamix 150 50 UV absorber to prevent UV degradation Slab Dip Dispersions Clay Aquamix 186 65 Zinc Stearate Aquamix 394 25 Wax Amide Aquamix 1124 20 Calcium Stearate Aquamix 1172 50 trim: 17.000" x 11.000" bleed: .125" Digital/IAM Aquamix™ Dispersions & Emulsions Using 40 years of customization and technical expertise, Aquamix dispersions and emulsions from PolyOne® Chemists help latex formulators, adhesive manufacturers, specialty coatings producers, and polymer manufacturers shorten development cycles, streamline operations, and more effectively use resources.

HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES KODEX CHOVÁNÍ | 9 POCTIVOST NA INTEGRITA PŘI NAŠEM SPOLEČENSKÁ Užívání návykových látek Je na nás všech, abychom podnikli kroky zajišťující prostředí bez jakéhokoli vlivu alkoholu a nelegálních drog a jiných kontrolovaných látek. HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES „Důležité neveřejné informace“ jsou jakékoli informace, které by uvážlivý člověk považoval za významné při investičním rozhodnutí, které nebylo veřejně zpřístupněno. KODEX CHOVÁNÍ | 29 POCTIVOST NA INTEGRITA PŘI NAŠEM SPOLEČENSKÁ https://www.avient.com/sites/default/files/2021-07/avient-human-rights-position-statement-updated-july-2021.pdf Interní kontakty – zdroje informací pro etiku a dodržování předpisů Více informací o Kodexu nebo našich očekáváních vám poskytnou přímo následující zdroje informací: • Vašemu vedoucímu nebo jakémukoli manažerovi společnosti Avient • Zástupce personálního oddělení • Poradce pro profesní etiku • Jakémukoli členovi právního oddělení • Osoba s příslušnou odborností (např. z finančního oddělení, oddělení interního auditu, oddělení zajišťování zdrojů) Na Horkou linku pro etiku volejte nebo ji využijte v následujících případech: • Potřebujete radu nebo máte otázku • Potřebujete informovat o problému nebo obavách • Informovali jste o problému nebo obavách a nebyli jste spokojení • Nejste si jistí, na koho se obrátit • Nemáte dobrý pocit z využití jiného zdroje uvedeného v Kodexu Horká linka pro etiku je k dispozici globálně ve 20 jazycích 24 hodin denně, 7 dní v týdnu.

HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES VERHALTENSKODEX | 9 UNSER EHRLICHKEIT BEI INTEGRITÄT IN SOZIALE VERANTWORTUNG Drogenmissbrauch Es liegt an uns allen, Schritte zu unternehmen, um zu gewährleisten, dass wir in einer Umgebung arbeiten, die frei von den Wirkungen von Alkohol, Drogen und anderen Betäubungsmitteln ist. HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES „Erhebliche nicht-öffentliche Informationen“ sind alle Informationen, die eine vernünftige Person für eine Investmententscheidung für wichtig halten würde und die nicht der Allgemeinheit offengelegt worden sind. VERHALTENSKODEX | 29 UNSER EHRLICHKEIT BEI INTEGRITÄT IN SOZIALE VERANTWORTUNG https://www.avient.com/company/policies-and-governance-0/avients-human-rights-policy Interne Kontakte—Ethik- und Compliance-Ressourcen Wenn Sie weitere Informationen über den Kodex oder unsere Erwartungen möchten, wenden Sie sich direkt an die folgenden Ressourcen: • Ihrem Vorgesetzten oder einem anderen Avient-Manager • Ihren Vertreter der Personalabteilung oder die Personalabteilung • Den Corporate Ethics Officer • einem beliebigen Mitarbeiter der Rechtsabteilung • Die Funktion mit dem geeigneten Fachwissen (z.

HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES PEDOMAN PERILAKU | 9 PEDOMAN PERILAKU MENGHORMATI KEJUJURAN DI TEMPAT INTEGRITAS DALAM TANGGUNG JAWAB Penyalahgunaan Zat Terlarang Kita semua bertanggung jawab untuk mengambil langkah dalam memastikan bahwa kita bekerja di lingkungan yang bebas dari segala efek alkohol serta obat-obatan terlarang dan zat terkontrol lainnya. HOME OUR CODE RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES “Informasi penting nonpublik” adalah informasi yang secara wajar dianggap penting oleh seseorang dalam mengambil keputusan investasi yang belum diungkapkan ke publik. PEDOMAN PERILAKU | 29 PEDOMAN PERILAKU MENGHORMATI SEMUA KEJUJURAN DI TEMPAT INTEGRITAS DALAM TANGGUNG JAWAB https://www.avient.com/sites/default/files/2021-07/avient-human-rights-position-statement-updated-july-2021.pdf Kontak Internal—Sumber Daya Etika dan Kepatuhan Untuk mendapatkan informasi lebih lanjut mengenai Pedoman atau harapan kita, hubungi sumber daya berikut secara langsung: • Supervisor Anda atau manajer Avient • Perwakilan sumber daya manusia Anda atau departemen Sumber Daya Manusia • Pejabat Etika Perusahaan • Setiap anggota departemen Hukum • Fungsi dengan keahlian yang sesuai (misalnya, Keuangan Perusahaan, Audit Internal, Pengadaan) Hubungi atau gunakan Saluran Langsung Etika jika: • Anda memerlukan saran atau memiliki pertanyaan • Anda ingin mengemukakan masalah atau kekhawatiran • Anda mengemukakan masalah atau kekhawatiran dan tidak merasa puas • Anda tidak yakin ke mana harus mencari informasi • Anda merasa tidak nyaman menggunakan salah satu sumber daya lain yang tercantum dalam Pedoman Saluran Langsung Etika tersedia secara global dalam 20 bahasa, 24 jam sehari, 7 hari seminggu.

Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient employs approximately 8,400 associates and is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®. Three Months Ended June 30, Six Months Ended June 30, 2021 2020 2021 2020 Sales: Color, Additives and Inks $ 624.4 $ 226.8 $ 1,233.7 $ 483.3 Specialty Engineered Materials 240.6 158.8 457.1 344.1 Distribution 404.4 238.8 767.1 528.3 Corporate and eliminations (34.2) (15.3) (60.4) (35.1) Sales $ 1,235.2 $ 609.1 $ 2,397.5 $ 1,320.6 Gross margin: Color, Additives and Inks $ 193.4 $ 75.7 $ 390.9 $ 165.1 Specialty Engineered Materials 69.6 42.5 134.3 95.1 Distribution 40.1 27.2 79.4 60.8 Corporate and eliminations (14.4) 4.3 (13.5) 0.2 Gross margin $ 288.7 $ 149.7 $ 591.1 $ 321.2 Selling and administrative expense: Color, Additives and Inks $ 107.1 $ 43.4 $ 215.8 $ 92.3 Specialty Engineered Materials 32.3 25.5 62.8 55.8 Distribution 16.4 12.6 31.7 26.8 Corporate and eliminations 24.8 30.2 52.3 55.5 Selling and administrative expense $ 180.6 $ 111.7 $ 362.6 $ 230.4 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 72.8 Specialty Engineered Materials 37.3 17.0 71.5 39.3 Distribution 23.7 14.6 47.7 34.0 Corporate and eliminations (39.2) (25.9) (65.8) (55.3) Operating income $ 108.1 $ 38.0 $ 228.5 $ 90.8 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 94.4 Specialty Engineered Materials 45.4 24.6 87.4 54.4 Distribution 23.9 14.7 48.1 34.2 Corporate and eliminations (39.0) (23.3) (63.8) (51.4) Other income, net 1.2 9.5 $ 2.7 $ 11.1 EBITDA $ 143.1 $ 68.4 $ 302.1 $ 142.7 12 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Senior management also uses operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Senior management also uses operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.