Avient acquired the Clariant Masterbatch business (CMB) on July 1, 2020 (the “Acquisition Date”). Reduce Scope 1 & 2 greenhouse gas emissions by 35%. Operating Income $3,783 $4,100 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Previous Guidance Current Guidance $3,783 $4,300 $308 $360 $308 $410 $1.93 $2.40 $1.93 $2.80 (1) (1)(1) (1)(1) (1) $442 $457 $560 $1.74 $1.93 $2.80 FULL YEAR 2019 – 2021 ORGANIC GROWTH 23 Sales Adjusted EBITDA $3,981 $3,783 $4,300 + 8% (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (1)(1) + 27% + 61% 24 BALANCE SHEET • Deleveraging to 1.9x net debt to adjusted EBITDA by the end of 2021 • Driven by record adjusted EBITDA performance and strong free cash flow generation from asset light business • Future cash deployment: M&A, opportunistic share repurchases and balance sheet / continued leverage reduction 3.5x 2.7x 1.9x Net Debt / Adjusted EBITDA ($ in millions) 2021E Adjusted EBITDA 560$ Free Cash Flow 275$ Total Debt 1,860 Less: Cash (800) Net Debt 1,060$ 2021E Net Debt / Adjusted EBITDA 1.9x (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition PEER COMPARISONS 25 As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from.

Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. END MARKET FOCUS ON LESS CYCLICAL INDUSTRIES 11 14.8% 17.6% 21.0% 2018 2020 2022 PF 1.8% 2006 15.3% 16.2% 17.0% 2018PF 2020PF 2022E CAI 2.7% 2006 SEM SPECIALTY EBITDA MARGIN EXPANSION 12 • Portfolio transformation accelerates growth in less cyclical, higher margin end markets • Investments in our composites platform continue to drive margin expansion (1) (1) (1) 2018 and 2020 financial information is pro forma to include a full year of Clariant Color acquisition PORTFOLIO EVOLUTION OVER THE YEARS 13 Adj. The Q3 2022 "Pro Forma APM" adjustments reflect periods prior to the acquisition date and are preliminary estimates for APM’s results for the months of July and August. 2 Reconciliation of Avient consolidated pro forma EBITDA Avient(1) Pro forma APM(1) Pro forma Avient Avient Pro forma APM Pro forma Avient Net income from continuing operations (27.8) 3.9 (23.9) 33.4 0.3 33.7 Income tax expense (1.2) 0.6 (0.6) 2.0 2.5 4.5 Interest expense 37.3 1.8 39.1 19.0 11.2 30.2 Depreciation and amortization 39.8 10.9 50.7 36.6 18.4 55.0 EBITDA 48.1 17.2 65.3 91.0 32.4 123.4 Special items, before tax 82.0 — 82.0 19.9 — 19.9 Interest expense included in special items (10.0) — (10.0) — — — Depreciation included in special items (0.8) — (0.8) (0.9) — (0.9) Adjusted EBITDA $ 119.3 $ 17.2 $ 136.5 $ 110.0 $ 32.4 $ 142.4 (1) - Q3 2022 Avient results reflect one month of APM’s results while owned by Avient, as the acquisition closed on September 1, 2022.

Microsoft PowerPoint - AVNT Q2 2021 Earnings Presentation - Website AVIENT CORPORATION S E C O N D Q U A R T E R 2 0 2 1 R E S U LT S (NYSE: AVNT) J U LY 3 0 , 2 0 2 1 DISCLAIMER 2 Forward-Looking Statements In this presentation, 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. Avient acquired the Clariant Masterbatch business (CMB) on July 1, 2020 (the “Acquisition Date”). Clariant MB acquired July 1, 2020 COLORWORKS INSPIRATION.

Runners 1. Venting 1. Draft Angle 1.

Density Impact Flexural Tensile HDT Equilibrium Moisture — PKE-GF PA12-GF PA612-GF 5 4 3 2 1 0 Impact Shrink Modulus Chemical Resistance Flexural (Cond.) CO2 Emission Factor — PKE-GF — PA6-GF — PA66-GF HDT Wear Density 5 4 3 2 1 0 Equilibrium Moisture 1: Poor 3: Good 5: Excellent

EXTRUSOR Tornillo 3/4" a 6" para polietileno, de filete sencillo y sin sección de mezcla, Relación de compresión 1.5–2:1 Cabezal De presión media: ángulo de 30° a 40° Dado Del tamaño adecuado para una hilera de 1/8" o menos L/D 24:1 recomendado Paquete de mallas Sin paquete de mallas (opcional según la presión) Canal de enfriamiento 50–65°C recomendado Alimentador Preferentemente gravimétrico—3 compartimentos para cross-linked Secador Desecante, 4 horas a 70°C, para el compuesto ECCOH™ solamente; nunca se debe colocar silano seco en los secadores PROCESAMIENTO Temperatura ECCOH Serie 5000 ECCOH Serie 6000 Precalentamiento del alambre 80–120°C 80–120°C Zonas de alimentación 93°C 135°C Transición 135 °C 163°C Dosificación 150°C 190°C Cabezal/dado 165°C 215°C Material fundido 165–170°C 215–225°C Llama a la salida del dado Sí, según sea necesario Velocidad de la línea Sensible a la cizalla: Observar temperatura de fusión, amperaje del motor y presión Compuesto de purga HDPE +1.844.4AVIENT www.avient.com Copyright © 2020, Avient Corporation.

AFNOR M 2 in France, DIN 4102 B 2–B 1 in Germany, UNI 8457–9174 C 1 in Italy, BKZ 5.2 in Switzerland, BS 5852.1990 CRIB 3–5 in UK)** • Standard portfolio available for PP injection molded applications APPLICATION BULLETIN * Laboratory weathering testing may not be determinative of all conditions of use; the end user must determine suitability of a product for its intended use ** Contact us for more information on regulatory compliance Copyright © 2022, Avient Corporation. COLOR RAL REFERENCE COLOR RAL REFERENCE 1015 Brown/12 6026 Green/14 1034 Yellow/14 6032 Green/20 1018 Yellow/19 7004 Grey/21 1003 Yellow/20 8025 Brown/14 3020 Red/15 9022 Pearl Grey/1 5005 Blue/35 9010 White/5 5000 Blue/36

And, because TPEs can be overmolded, brand owners and packaging manufacturers have new options for designing components that can be integrated directly into the package. 4345, 4355, 4365 4465 4570 4665 Hardness Shore A 45A, 55A, 65A 65A 70A 65A Regulatory* • EU 10/2011 Color Translucent Translucent Natural Natural Overmolding Bonds To Polypropylene Polypropylene Polar substrates Polar substrates Chemical Resistance • #1 for soaps • Low-cost solution for non-polar oils • #2 for soaps • Some oils • #1 for polar & non-polar oils • #1 for non-polar solvents, like isododecane • #2 for non-polar oils • Abrasion resistance * Regulatory compliance is offered for consideration only—limitations apply; please check with product stewardship.

Product ID FIBER-LINE® Coating Base Fiber Tensile Strength Load at 1% Elongation Absorption Capacity 2.3 mm FRP Swellcoat® Fiberglass ≥ 5115 N ≥ 2100 2.5 – 4.5 g/m .60 mm ARP N/A Kevlar® ≥ 340 N ≥ 165 N N/A 5.00 mm FRP N/A Fiberglass ≥ 24041 ≥ 9617 N/A .40 mm ARP N/A Kevlar® ≥ 210 N ≥ 95 N N/A .50 mm FRP Swellcoat® Fiberglass ≥ 300 N ≥ 130 ≤ 1.0 g/m POPULAR FRP ROD PRODUCTS LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V.

Página [1] de [3] CEDULA DE IDENTIFICACION FISCAL PMS190904JZ1 Registro Federal de Contribuyentes AVIENT COLORANT SOLUTIONS MX Nombre, denominación o razón social idCIF: 19090104984 VALIDA TU INFORMACIÓN FISCAL CONSTANCIA DE SITUACIÓN FISCAL Lugar y Fecha de Emisión ECATEPEC DE MORELOS , MEXICO A 18 DE MAYO DE 2021 PMS190904JZ1 Datos de Identificación del Contribuyente: RFC: PMS190904JZ1 Denominación/Razón Social: AVIENT COLORANT SOLUTIONS MX Régimen Capital: SOCIEDAD DE RESPONSABILIDAD LIMITADA DE CAPITAL VARIABLE Nombre Comercial: AVIENT COLORANT SOLUTIONS MX Fecha inicio de operaciones: 04 DE SEPTIEMBRE DE 2019 Estatus en el padrón: ACTIVO Fecha de último cambio de estado: 04 DE SEPTIEMBRE DE 2019 Datos de Ubicación: Código Postal:55540 Tipo de Vialidad: CALLE Nombre de Vialidad: PLASTICOS Número Exterior: 28 Número Interior:B-102 Nombre de la Colonia: SANTA CLARA COATITLA Nombre de la Localidad: Nombre del Municipio o Demarcación Territorial: ECATEPEC DE MORELOS Nombre de la Entidad Federativa: MEXICO Entre Calle: CANAL DE RISCO Y Calle: AVENIDA VIA MORELOS Correo Electrónico: caio.zuccarelli@clariant.com Tel. Móvil Lada: 044 Número: 5578657254 Página [2] de [3] Actividades Económicas: Orden Actividad Económica Porcentaje Fecha Inicio Fecha Fin 1 Servicios de consultoría en administración 100 04/09/2019 Regímenes: Régimen Fecha Inicio Fecha Fin Régimen General de Ley Personas Morales 04/09/2019 Obligaciones: Descripción de la Obligación Descripción Vencimiento Fecha Inicio Fecha Fin Pago definitivo mensual de IVA. Si conoces algún posible acto de corrupción o delito presenta una queja o denuncia a través de: www.sat.gob.mx, denuncias@sat.gob.mx, desde México: 01 (55) 8852 2222, desde el extranjero: 1 844 28 73 803, SAT móvil o www.gob.mx/sfp".