Avient Colorants Sweden AB in Malmoe and Avient Colorants USA LLC in Lewiston, Maine are Medical Centers of Competence with an external ISO 13485 certification. Validation Avient Colorants Sweden AB and Avient Colorants Lewiston, ME follow the Global Harmonization Task Force guideline GHTF/SG3/N99-10 to define the procedure for process validation. HACCP Avient Colorants Spain S.A., Avient Colorants Toluca Mexico, and PolyOne Spain SLU follow the structure of HACCP (Hazard Analysis and Critical Control Point) as a system for assessing compliance to food safety standards.

Providing solutions that are considered recyclable within the colored bottle stream will thus be an integral part of the recyclability strategy for both convertors and brand owners. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. It was also demonstrated that usage of a reduced amount of color, namely 0,045% of Fortis Amber-1, allows the production of bottles (Bottle C) that closely resembles the original bottles (Bottle A).

MEDICAL CONTRACT MANUFACTURER A U T O - I N J E C T O R H O U S I N G • Excellent chemical and wear resistance • Excellent impact resistance • Specific color matching based on customer’s needs • Outstanding durability to extend product life • Customized a chemically resistant formulation to offer an impact-modified alternative to traditional competitors in the market • Provided technical support for material selection, part & tool design, and process development to accelerate commercialization • Delivered custom color matching to meet all key requirements Custom Trilliant™ HC Healthcare Thermoplastic KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION CUSTOMIZATION + SPEED LEARN MORE Copyright © 2023, Avient Corporation.

RECREATIONAL EQUIPMENT MANUFACTURER P L A Y G R O U N D E Q U I P M E N T • Protection from harsh elements and weathering • Coating solution to protect children against metal abrasions • Range of bright colors • Formulated without phthalates • Provided vinyl coating solutions to protect against the effects of harsh weather, and to protect children from potential scrapes and scratches • Incorporated antimicrobial and UV additives to resist mold growth • Offered brightly colored, non-phthalate plastisol formulations CORE™ Non-Phthalate Plastisols KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PROTECTION + AESTHETICS LEARN MORE © 2023, Avient Corporation, All Rights Reserved https://www.avient.com/products/vinyl-formulations/vinyl-plastisols-organosols/core-non-phthalate-plastisols

BIODEGRADABLES Y COMPOSTABLES P E L Í C U L A S D E A B O N O • Cumplimiento de la norma europea EN17033 u OK Compost • Estándares de color blanco y negro disponibles bajo diferentes certificaciones TÜV Austria (OK Compost y más) • Soporte completo para la certificación del producto final para EN13432 y EN17033 • Formuladas con pigmentos probados y aprobados por un organismo certificado OnColor™ Bio-Colorants REQUISITOS CLAVE ¿POR QUÉ AVIENT? LA SOLUCIÓN AVIENT SOSTENIBILIDAD Copyright © 2020, Avient Corporation.

LEADING PRODUCER OF CLOSURES FOR SPIRITS L U X U R Y C L O S U R E S • Replace metal while providing metallic look and feel • Customization of density and color • Easy processing • FDA compliance • Replaced metal with a weighted polymer solution to maintain high-quality perception • Minimized the appearance of chips from everyday wear better than metal by matching closure interior and metalized coating colors • Enabled the customer to introduce their luxury closures to a new market segment Gravi-Tech™ Density Modified Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION AESTHETICS + HAPTICS LEARN MORE Copyright © 2020, Avient Corporation.

ORTHOPEDIC PARTS MANUFACTURER O R T H O P E D I C S O L E I N S E R T • A super soft TPE ( AVIENT SOLUTION HAPTICS + BIOCOMPATIBILITY LEARN MORE © 2024 Avient Corporation, All Rights Reserved https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers

NORBERT MERKLEIN Vice President and General Manager EMEA of Color, Additives & Inks Norbert Merklein serves as Vice President and General Manager for the Europe, Middle East, and Africa (EMEA) region of Color, Additives & Inks at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Merklein joined Avient in July of 2020 through the acquisition of the Clariant Masterbatch business. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

MONOFILAMENT MANUFACTURER P V D F F I L A M E N T E X T R U S I O N • Reduce or eradicate die build-up • Improve predictive and final part quality • Optimize PVDF extrusion for the desired coefficient of friction (CoF) • Reduce energy consumption • Boosted overall production efficiency by minimizing die build-up through use of a PVDF-specific processing aid • Achieved a flawless surface by reducing friction and improving flow for enhanced final part quality • Controlled extrusion pressure to reduce energy required in processing Colorant Chromatics PVDF Processing Aid KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION EFFICIENCY + QUALITY LEARN MORE Copyright © 2025, Avient Corporation. https://www.avient.com/products/polymer-additives/processing-enhancement-additives/colorant-chromatics-pvdf-processing-aids Slide 1: Monofilament manufacturer

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. F X ) -10% -11% -3% -12% 10 Avient ex. Avient Specialty Other Specialty / 2023E(%) 32 79 87 83 81 76 73 90 79 77 76 73 69 60 22 MULTIPLE EXPANSION Avient Specialty Other Specialty / Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.51.