Our Businesses US and Canada

As part of our commitment to injury prevention, we continuously engage our associates in our Health and Safety Program by consulting them and encouraging their participation through ongoing feedback to help us improve our practices. We are committed to implementing appropriate security management programs, processes and procedures to protect all of our assets and to reduce the risk of harm and business interruption. Ashish Khandpur President and CEO December 18, 2023 Product Stewardship Policy Product Stewardship plays a significant role in Avient’s sustainable and ethical business practices.

$3.1B 9,000+ 80+ 100+ 2011 36% 64% 2023 sales by business segment Specialty Engineered Materials SEM Color, Additives & Inks CAI 2023 sales by end market 41% 36% 18% 5% 2023 sales by region US, Canada LATAM Asia EMEA PACKAGING 23% CONSUMER 19% INDUSTRIAL 16% TRANSPORTATION 10% BUILDING & CONSTRUCTION 9% HEALTHCARE 7% DEFENSE 7% ENERGY 5% TELECOM 4% Copyright © . All Rights Reserved 2024 8 The fast-changing world creating opportunities for us... to grow double-digits in prioritized businesses through key growth vectors 5.

We expect seasonality of the business to play out in the third quarter and estimate sales of $1.15 billion and adjusted EPS of $0.68. Eastern Time on July 30, 2021. 3 *Pro Forma The company acquired the Clariant Masterbatch business (“CMB”) on July 1, 2020 (the “Acquisition Date”). Management believes this provides better comparability of the performance of the combined businesses.

Trilliant XR - CT and MRI Scanners M E D I C A L D E V I C E M A N U FAC T U R E R M R I A N D C T S C A N N E R S • Uniform shielding with no “hot spots” • X-ray shielding up to 140 KeV • Meet European Union’s Restriction of Hazardous Substances (RoHS) future compliance requirements • Provided a lead alternative solution that delivered improved geometric flexibility for more uniform radiation shielding • Lowered shielding component costs 30-50% by eliminating machining and assembly steps Trilliant™ XR Lead Replacement Thermoplastics KEY REQUIREMENTS WHY AVIENT?

Versaflex - MAM Cup - Spanish MAM T A Z A E N T R E N A D O R A - L E A R N T O D R I N K ™ • En cumplimiento de las normas de contacto con alimentos grasos de la Unión Europea* • Sensación de suavidad y tersura al tacto • Sin BPA, sin ftalatos • Gran facilidad de coloración • Ofreció una solución personalizada para cumplir con los Requerimientos de contacto con alimentos grasos y las necesidades de aplicación en Europa • Mejoró el atractivo para el cliente con un material suave, duradero y con color personalizado Versaflex™ FFC KEY REQUIREMENTS SOLUCIÓN AVIENT CUMPLE CON LA NORMATIVIDAD DE ALIMENTOS GRASOS MÁS INFORMACIÓN* Puede haber limitaciones: Consulte a Avient para obtener más información Copyright © 2020, Avient Corporation.

Continuous, automated manufacturing process A new Glasforms™ composite brace saves weight and improves structural integrity for a major US automotive OEM

Avient'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. Our local touch and customer engagement, combined with our global presence, allows us to serve customers with agility. Management excludes intangible asset amortization from adjusted EPS as it believes excluding acquired intangible asset amortization is a useful measure of current period earnings per share.

Avient'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. Our local touch and customer engagement, combined with our global presence, allows us to serve customers with agility. Management excludes intangible asset amortization from adjusted EPS as it believes excluding acquired intangible asset amortization is a useful measure of current period earnings per share.