Who We Are Personal Values INTEG R IT Y R E SP ECT H O N E S T Y Core Values COLLABO R A T IO N E X C E LL ENCE INNOVATION HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 7 https://responsiblecare.americanchemistry.com https://endplasticwaste.org/about/ http://www.avient.com What We Do: Material Science Avient’s vision is to create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Since 2014, we have increased our commercial resources in R&D, Sales and Marketing. D O LL A R S Community Service Our community service work extends well beyond our important clean-up efforts.

AT 20-17 1 Avis Technique – Tri Détectabilité et tri de la solution colorante AVIENT CORPORATION / CESA® IR PE 94000828 les centres de tri D E S C R IP TI O N D E L A D E M A N D E GENERALITES Demandeur Avient Corporation Date de la demande 2020 Référence de la solution colorante CESA® IR PE 94000828 Limite max de concentration de la solution colorante 4% DESCRIPTION DE LA SOLUTION COLORANTE Couleur Noire Solution colorante adaptée pour : Emballages rigides en PE OBJET DE LA DEMANDE Etude de la détectabilité dans les centres de tri français de la solution colorante CESA® IR PE 94000828 proposée par Avient Corporation et utilisée pour colorer des emballages rigides en PE.

AT 20-18 1 Avis Technique – Tri Détectabilité et tri de la solution colorante AVIENT CORPORATION / CESA® IR PE 94000816 dans les centres de tri D E S C R IP TI O N D E L A D E M A N D E GENERALITES Demandeur Avient Corporation Date de la demande 2020 Référence de la solution colorante CESA® IR PE 94000816 Limite max de concentration de la solution colorante 4% DESCRIPTION DE LA SOLUTION COLORANTE Couleur Noire Solution colorante adaptée pour : Emballages rigides en PE OBJET DE LA DEMANDE Etude de la détectabilité dans les centres de tri français de la solution colorante noire CESA® IR PE 94000816 proposée par Avient Corporation et utilisée pour colorer des emballages rigides en PE.

AT 20-19 1 Avis Technique – Tri Détectabilité et tri de la solution colorante AVIENT CORPORATION / CESA® IR PP 94000725 dans les centres de tri D E S C R IP TI O N D E L A D E M A N D E GENERALITES Demandeur Avient Corporation Date de la demande 2020 Référence de la solution colorante CESA® IR PP 94000725 Limite max de concentration de la solution colorante 4% DESCRIPTION DE LA SOLUTION COLORANTE Couleur Noire Solution colorante adaptée pour : Emballages rigides en PP OBJET DE LA DEMANDE Etude de la détectabilité dans les centres de tri français de la solution colorante noire CESA® IR PP 94000725 proposée par Avient Corporation et utilisée pour colorer des emballages rigides en PP.

Let us walk you through: Optimizing the LFT Molding Processes • Ensuring proper drying and preparation of the material (review of drying equipment) • Processing guidance for the specific grade (temperature and pressure suggestions) • Primary process development (including runner & gate geometry) • Secondary operation process development • Tooling debugging/optimization, especially if the injection mold is new Troubleshooting • Failure analysis/issue resolution (including pyrolysis/burn-off reviews to study internal fiber structure and length) • Process/mold support to perfect finished goods • Equipment review Training • Polymers fundamentals training • Design guidance for LFT IN-HOUSE PROTOTYPING SUPPORT Our 55,000 square foot Application Development Center is most often leveraged for new program prototyping and R&D trials.

PVC PVC BARE PERFORMANCE Operating Temperature Range -55°C - 105°C Chemical Resistance P Flame Resistance P UV Resistance P Flex Properties P EXTRUSION FIBERS PROCESSES PRODUCTS PVDF BARE PERFORMANCE Operating Temperature Range -40°C - 140°C Chemical Resistance P Flame Resistance P UV Resistance P Flex Properties P PVDF MOVING HIGH PERFORMANCE FIBERS FORWARD 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.

POPULAR COATED STRENGTH MEMBERS MOVING HIGH PERFORMANCE FIBERS FORWARD 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.

James DOC ID ----> 202018203934 S T A T E OF O H I O C E R T I F I C A T E Ohio Secretary of State, Frank LaRose 4463782 It is hereby certified that the Secretary of State of Ohio has custody of the business records for and, that said business records show the filing and recording of: AVIENT CORPORATION United States of America State of Ohio Office of the Secretary of State Witness my hand and the seal of the Secretary of State at Columbus, Ohio this 23rd day of April, A.D. 2020.

SIMULATION SUPPORT • Computer-aided engineering (CAE) • Onsite processing support • Optimizing the LFT molding processes • Troubleshooting • Training IN-HOUSE PROTOTYPING SUPPORT • New program prototyping with press sizes ranging from 50 to 550 tons • R&D material trials • 3D printed prototypes and tooling DESIGN SUPPORT • Critical understanding of application requirements • Industrial & structural/mechanical design • Material validation & formulation 1.844.4AVIENT www.avient.com Copyright © 2024, Avient Corporation.

Microsoft PowerPoint - AVNT Q1 2024 Investor Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) M AY 2 0 2 4 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. FX -1.5% FX -0.5% Total Avient -2.0% Q 1 2024 R ES U LT S Q1 2024 PERFORMANCE VS.