You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. Investor Presentation for Website PolyOne investor presentation Forward Looking Statements USE OF �NON-GAAP�MEASURES Vision Safety First PolyOne�2017 Revenue | $3.2 billion Proof of Performance Sustainable Path to Double-Digit EPS Growth Investment in Commercial Resources driving growth The Evolving Customer Relationship Slide Number 11 New Resources Fueling the Future Aligning with trends for Growth Innovation 3 Horizons of Development Innovation Pipeline Innovation Spotlight: Composites Composites Refresher Strategic Investment History COMPOSITES in Transportation Invest-to-Grow M&A Strategy Invest-to-Grow M&A Playbook Invest-to-Grow Proof of performance Invest-to-Grow Driving the future Strong Pipeline�driven by fragmented Market Returning cash to shareholders�Over $1 Billion since 2011 ROIC drives shareholder return Why Invest In PolyOne? Service:�The Timeless differentiator Talent development IQ DESIGN LABS LSS CUSTOMER FIRST 3D Printing�Bringing New ideas to life Slide Number 34 Innovating with PolyOne COLOR, ADDITIVES & INKS Color, Additives & Inks Specialty Engineered Materials Specialty Engineered Materials Performance Products & Solutions Performance Products & Solutions DISTRIBUTION Target end markets & �application examples Slide Number 44 Slide Number 45 Slide Number 46 Slide Number 47 Slide Number 48 Slide Number 49 Slide Number 50 Slide Number 51 Slide Number 52 Slide Number 53 Slide Number 54 Slide Number 55 Investor Presentation - June 2018 Investor Presentation - March 2018 Adjusted EBITDA

HEALTHCARE DEVICE OEM S U R G I C A L S T A P L E R H O U S I N G • Easy-to-mold, durable, and good aesthetics • Excellent disinfection performance and good chemical resistance • Compatible with high- and low-temperature sterilization • Delivered durable and aesthetically pleasing specialty polymer with the added benefit of processing flexibility without retooling • Passed physical, chemical and disinfection tests in different testing conditions which proved good tensile strength and chemical resistance • Achieved consistent molding shape and properties Trilliant™ HC Thermoplastics KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION CHEMICAL RESISTANCE + EASY PROCESS LEARN MORECopyright © 2021, Avient Corporation. All Rights Reserved. https://www.avient.com/products/engineered-polymer-formulations/chemical-corrosion-resistant-formulations/trilliant-hc-healthcare-thermoplastics

Versaflex - BVM Resuscitator Bag BAG-VALVE-MASK (BVM) MANUFACTURER R E S U S C I T A T O R B A G • Compatible gamma sterilization process • Achieve desired elastomeric properties • PVC-free formulation • FDA, ISO 10993, USP VI compliant • Repeatable injection molding process • Complemented customer expertise with technical support in material selection, part & tool design, and process development • Customized TPE offered customer an alternative to vinyl without sacrificing performance • Improved process efficiency and overall system costs through injection molding method Customized Versaflex™ TPE KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PROCESS IMPROVEMENT + SPEED LEARN MORE Copyright © 2020, Avient Corporation. All Rights Reserved. https://www.polyone.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers

NEBULIZER DEVICE OEM S E A L I N G O F N E B U L I Z E R L I D • Easy-to-mold, excellent durability • Good self-lubrication with low coefficient of friction • Excellent overmolding performance on ABS • Delivered self-lubricating materials which enabled the lid to open easily • Passed durability test with good wear resistance • Provided TPE to support an easy injection molding process Versaflex™ Overmolding TPE KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION WEAR RESISTANCE + EASY PROCESSING LEARN MORE Copyright © 2022, Avient Corporation. All Rights Reserved. https://www.avient.com/products/thermoplastic-elastomers/tpe-knowledge-center/overmolding-solutions

Avient Resources Trendwatch™ Overcoming 5G Component Challenges (English) Avient Resources

REDUCED WEIGHT 40–50% weight reduction when switching from metal, portability SOLUTION: Long carbon fiber reinforced composites SUSTAINABILITY PIR/PCR content incorporation SOLUTION: Recycled content long fiber thermoplastics STRENGTH IN EXTREME ENVIRONMENTS High strength-to-weight ratio, high and low temperature performance SOLUTION: Long carbon fiber reinforced composites CORROSION RESISTANCE Metal replacement, eliminate secondary operations, slow moisture uptake SOLUTION: Moisture resistant long fiber reinforced nylons ELECTRIFYING STRENGTH Ignite a passion for exploration and push the boundaries of durability with long fiber thermoplastic technology for bikes, engineered to excel in extreme challenges! BATTERY RANGE EXTENSION Lightweighting SOLUTION: Long fiber reinforced polyketone (PK) thermoplastics © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-rec-formulations https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-rec-formulations https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/long-fiber-technology/complet-pke-formulations https://www.avient.com/products/long-fiber-technology/complet-pke-formulations https://www.avient.com/products/long-fiber-technology/complet-pke-formulations

Avient Announces Second Quarter 2025 Results... Jul 10, 2025 Avient Announces Quarterly Dividend...

Product Selection Help Product Selection Help Sales Offices Wilflex Distributors By adding 10 percent additional pigment to a formula, the color will go from translucent to super Opaque. Product Selection Help Product Selection Help Sales Offices Wilflex Distributors

This Policy applies to Avient and its subsidiaries, including all officers, employees, agents and other third parties acting on Avient’s behalf . They can also pose compliance challenges, so Avient must take appropriate steps to prevent bribery. Misleading, incomplete or false entries in Avient’s books and records are never acceptable.

-------------------------------------------------------------------------------------------------- CON FUNDAMENTO EN LA MATRÍCULA E INSCRIPCIONES EFECTUADAS EN EL REGISTRO MERCANTIL, LA CÁMARA DE COMERCIO CERTIFICA: NOMBRE, IDENTIFICACIÓN Y DOMICILIO Razón social: AVIENT COLOMBIA S.A.S Nit: 900.896.246-4 Domicilio principal: Cota (Cundinamarca) MATRÍCULA Matrícula No. 02613284 Fecha de matrícula: 10 de septiembre de 2015 Último año renovado: 2021 Fecha de renovación: 26 de marzo de 2021 Grupo NIIF: Grupo I. Llevar los libros actas de la sociedad; 10. Garantizar las obligaciones de los funcionarios de la compañía frente al tesoro público cuando estos deban salir del país en ejercicio de funciones para la empresa; 10.