end life” New designs for energy and carbon efficiency New applications for used and recycled plastics Page 31 Therma-Tech™ LED Lighting • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost Page 32 Decreasing Decreasing Dependence on Dependence on Fossil FuelsFossil Fuels Globalizing and Globalizing and LocalizingLocalizing Protecting the Protecting the EnvironmentEnvironment Protecting the Protecting the EnvironmentEnvironment Improving Improving Health and Health and WellnessWellness Improving Improving Health and Health and WellnessWellness Alignment with Megatrends • Aging population • Longer life expectancy • Healthy living • Aging in place • Aging population • Longer life expectancy • Healthy living • Aging in place • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles Page 33 48.7% $40.5 26.3% Research & Development Spending Specialty Platform Vitality Index Progression* Innovation Drives Earnings Growth Specialty Platform Gross Margin % * Percentage of Specialty platform revenue from products introduced in last five years 19.5% $20.3 14.3% ($ millions) Page 34 StrategyStrategy PolyOne Innovation Framework Unmet Needs Identification Idea Generation and Shaping Offering Offering Offering Offering Phased Offering Launch Offering Offering LaunchLaunch Offering Offering DevelopmentDevelopment Market Penetration and Value Maximization Intellectual Property ● Resources ● CultureIntellectual Property ● Resources ● Culture Page 35 • Accelerate growth in targeted industries and expand geographic presence through market-driven innovations • Leverage new talent, tools, and training to drive customer satisfaction and margin expansion Critical Imperatives satisfaction and margin expansion • Translate best practices to / from ColorMatrix • Drive specialization using a value-based mindset Page 36 Page 37

Handelsregister B des Amtsgerichts Mannheim Nummer der Firma: Seite 1 von 2 HRB 722072 Nummer der Eintragung a) Firma b) Sitz, Niederlassung, inländische Geschäftsanschrift, empfangsberechtigte Person, Zweigniederlassungen c) Gegenstand des Unternehmens Grund- oder Stammkapital a) Allgemeine Vertretungsregelung b) Vorstand, Leitungsorgan, geschäftsführende Direktoren, persönlich haftende Gesellschafter, Geschäftsführer, Vertretungsberechtigte und besondere Vertretungsbefugnis Prokura a) Rechtsform, Beginn, Satzung oder Gesellschaftsvertrag b) Sonstige Rechtsverhältnisse a) Tag der Eintragung b) Bemerkungen 1 2 3 4 5 6 7 1 a) PolyOne Deutschland GmbH b) Sitz verlegt; nun: Gaggenau Änderung der Geschäftsanschrift: Adolf-Dambach-Straße 2-4, 76571 Gaggenau c) Der Erwerb von Beteiligungen an Gesellschaften jeglicher Art, die Verwaltung von Beteiligungen und eigenem Vermögen sowie die Beratung über den Beteiligungserwerb mit Ausnahme rechtlicher und steuerlicher Beratung. 26.100,00 EUR Ist nur ein Geschäftsführer bestellt, vertritt er allein.

FIBER-LINE™ PERFORMANCE ENHANCING COATINGS PRODUCT SELECTION GUIDE FIBER-LINE™ COATING SELECTION GUIDE COATING Bondcoat™ Adhesion Enhancing Colorcoat™ Fiber Color Packcoat™ Performance Enhancing Protexcoat™ UV Resistant Swellcoat™ Blocker Water Blocking Swellcoat™ Water Absorbing Wearcoat™ High Abrasion Blockcoat™ Anti-Wicking Repelcoat™ Water Repellant Flamecoat™ Flame Resistant FEATURES • Created for applications where an untreated fiber does not have the ability to provide the appropriate amount of bonding characteristics to another material • Provides adhesion to another fiber or substrate without impacting other performance properties • Improves adhesion of the fiber to the resin matrix it is introduced into • Enables industry standard “burst” tests or stringent delamination analysis • Designed to achieve vibrant colors for safety, identification, and aesthetics • Specialized formulas and binders adhere the pigment to the exterior of the individual filaments, while impregnating deep into the fiber bundle • Available by Pantone or RAL number • Compatible with a variety of composite resins including epoxy, polyurethane, and polyethylene • Stronger than solution-dyed fibers • Designed to add lubricity and temperature resistance at the filament level for braided compression packing • Coating at the fiber level versus the finished braid achieves higher % level coating • Fiber level coating extends the life of the braid and reduces required maintenance • Various formulations available • PTFE, silicone, graphite, and mineral oil • Created for high performance fibers that lack inherent ultraviolet (UV) resistance • Coating impregnates the individual fibers with a specialized resin for improved UV protection • Coating enhancements include UV inhibitors, absorbers and stabilizers • Improves the processing of the product via reduced filament snagging and friction • Low level water- blocking finish for any technical fiber or textile substrate • Provides water- blocked strength reinforcements for dry cable designs • Can absorb 5x to 15x its weight in water • Dust-free coating imparts a very soft fiber hand, advantageous to cable, rope, and other textile processes • Patented technology incorporates super absorbent polymer (SAP) suspended in a proprietary resin matrix • Used in the production of ‘dry-dry’ telecommunications, electromechanical, seismic, umbilical and power cables • Can absorb up to 100x its weight in water • Creates a stable gel when exposed to water • Functionally replaces flooding compounds, filling gels, spun SAF yarns, and water blocking tapes • Enables faster, more economical and robust cable manufacturing • Increases durability and abrasion resistance by encapsulating filaments in the fiber bundle • Extends the life of the product by reducing the effects of friction and yarn on yarn abrasion • Protects the fiber from degradation and filamentation • Ideal for high abrasion and high friction applications in a range of fiber constructions and environments • Wicking refers to the tendency of a yarn or other fiber to draw moisture into filaments via capillary action • Coatings designed to prevent moisture from wicking within and between fibers and strands • Protects Wire or Optical Fiber from damaging effects of moisture, which can cause a drop in signal and attenuation • Hydrophobic additives used to promote and enhance water repellancy in industrial applications • Creates a waterproof barrier that prevents moisture from further migration • Applied at various % levels to optimize for water-proof ratings • Designed to inhibit or slow the spread of fire/flame • Coupled to fibers with inherent flame and thermal resistance to boost performance • Added to fibers with weak flame resistance to improve burn rating SUITABLE FIBERS • Technora® Fiber • UHMWPE • Graphite Fiber • PTFE Fiber • Technora® Fiber • PET Polyester (All shrinks) • UHMWPE • Vectran® LCP • Technora® Fiber • PET Polyester (All shrinks) • PET Polyester (All shrinks) • UHMWPE • PET Polyester (All shrinks) • PET Polyester (All shrinks) • Vectran® LCP • PET Polyester (All shrinks) PRODUCTS • Belt & Hose Reinforcement Yarn • Braided compression rings and seals • Valve stem packing • Pump packing • Filler Yarn • Synthetic Wire Rope • Buffer Thread • Filler Yarn • FRP Rod • Synthetic Wire Rope Kevlar® and Nomex® are trademarks of DUPONT SAFETY & CONSTRUCTION, INC.

Product Product Type Initiation Optimum Gas Yield Gas Yield POWDER Hydrocerol BIH PEAUFF Endo 140 160 140–150 EVA, polyethylene, PE copolymers, TPEs/TPOs, PVC Hydrocerol Compound EMASAD Endo 140 200 135–145 Polyethylene, polypropylene, TPEs/TPOs, styrenes, acrylics, TPUs, POM, PVC Hydrocerol HK EMA0766025 Endo 200 210 135–145 Polypropylene, styrenes, acrylics, Hydrocerol 1480 EMA0766027 Endo-Exo 140 180 240–259 EVA, polyethylenes, PE copolymers, TPEs/TPOs, styrenes, acrylics, PVC Product Product Type Initiation Optimum Gas Yield Gas Yield MASTERBATCH Hydrocerol 862 PLASAD Endo 140 160 10–20 • Sink mark removal EVA, polyethylene, PE compolymers, Hydrocerol BIH-40-E PLASAF Endo 140 160 55–65 EVA, polyethylene, PE compolymers, Hydrocerol 1004 PEAUFQ Endo 140 160 80–90 • Weight reduction EVA, polyethylene, PE compolymers, Hydrocerol CF-5-E PEASCF Endo 140 200 5–10 • Sink mark removal Polyethylene, polypropylene, TPEs/TPOs, styrenes, Hydrocerol 1602 PRASAD Endo 140 200 50–60 Polyethylene, polypropylene, TPEs/TPOs, styrenes, Hydrocerol PEA0820021 PEA0820021 Endo 140 200 25–35 Styrenes Hydrocerol PEA08200095 PEA0820095 Endo-Exo 140 180 100–120 PVC Hydrocerol ITP-820 PRAN698588 Endo 200 210 5–10 • Sink mark removal EVA, polyethylene, PE copolymers, TPEs/TPOs, PVC Hydrocerol HK-40-E PLASAH Endo 200 210 55–65 Polyethylene, polypropylene, TPEs/TPOs, styrenes, acrylics, TPUs, POM, PVC Hydrocerol CT-3205-B OMA0698633 Endo 200 210 50–60 PLA Hydrocerol 1135 PEAN698616 Exo 170 190 20–30 • Sink mark removal Polyethylene, polypropylene, TPEs/TPOs, styrenes, Hydrocerol 8418M PHA0698418 Exo 170 190 50–60 Polyethylene, polypropylene, TPEs/TPOs, styrenes, Product Product Type Initiation Optimum Gas Yield Gas Yield MASTERBATCH Hydrocerol 141 PEASCH Exo 200 210 10–20 • Sink mark removal Polypropylene, styrenes, acrylics, Hydrocerol 1191 PRAN698433 Exo 200 210 55–65 Polypropylene, styrenes, acrylics, Hydrocerol NBA0820012 NBA0820012 Exo 240 260 25–35 Polyesters, high-temperature resins Hydrocerol XH-901 SAASCC Exo 240 260 30–40 Polycarbonate blends, polycarbonate, high-temperature resins Hydrocerol 1376-4 PRAN698541 Endo-Exo 200 210 90–100 Polypropylene, styrenes, acrylics, polyamides, PVC LIQUID Excelite FA-37 CC10212522 Endo-Exo 120 140 65–75 • Weight reduction/ WPC Polyethylene Excelite PF-1 CC01053625 Endo-Exo 120 140 55–65 • Weight reduction Vinyl Excelite FA-185 CC10303252 Endo 140 200 75–85 • Weight reduction • Direct gas assist Polyolefin Excelite Foam PPRO CC10250288 Endo 160 200 50–60 • Weight reduction • Warpage reduction Polypropylene Excelite FA-77 CC10232527 Endo-Exo 120 140 85–95 • Weight reduction/ WPC Polyethylene Excelite FA-108 CC10290626 Endo 180 200 55–65 • Weight reduction • Sink mark removal Polyolefin Excelite FA-112 CC10313065 Endo 140 200 50-60 • Weight reduction • Sink mark removal Polyolefin 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

It’s in this spirit that we joined legacy PolyOne and the Clariant Color business, two complementary businesses, and formed a new one that we’ve named Avient. We are better together through: Keeping Safety First — PolyOne and Clariant are both ACC Responsible Care® companies, and nothing is more important than the health, safety and well-being of our people. Leading in Sustainability — PolyOne and Clariant are both founding members of the Alliance to End Plastic Waste, and we are committed to meeting the needs of the present without compromising the ability of future generations to do the same.

It’s in this spirit that we joined legacy PolyOne and the Clariant Masterbatch business, two complementary businesses, and formed a new one that we’ve named Avient. We are better together through: Keeping Safety First — PolyOne and Clariant are both ACC Responsible Care® companies, and nothing is more important than the health, safety and well-being of our people. Leading in Sustainability — PolyOne and Clariant are both founding members of the Alliance to End Plastic Waste, and we are committed to meeting the needs of the present without compromising the ability of future generations to do the same.

It’s in this spirit that we joined legacy PolyOne and the Clariant Color business, two complementary businesses, and formed a new one that we’ve named Avient. We are better together through: Keeping Safety First — PolyOne and Clariant are both ACC Responsible Care® companies, and nothing is more important than the health, safety and well-being of our people. Leading in Sustainability — PolyOne and Clariant are both founding members of the Alliance to End Plastic Waste, and we are committed to meeting the needs of the present without compromising the ability of future generations to do the same.

It’s in this spirit that we joined legacy PolyOne and the Clariant Masterbatch business, two complementary businesses, and formed a new one that we’ve named Avient. We are better together through: Keeping Safety First — PolyOne and Clariant are both ACC Responsible Care® companies, and nothing is more important than the health, safety and well-being of our people. Leading in Sustainability — PolyOne and Clariant are both founding members of the Alliance to End Plastic Waste, and we are committed to meeting the needs of the present without compromising the ability of future generations to do the same.

Avient was formed as PolyOne Corporation on August 31, 2000 from the consolidation of The Geon Company (Geon) and M.A. Vice President and General Manager - Americas Compounding and Performance Additives, Excel Polymers from March 2009 to November 2009. Hanna Company Long-Term Incentive Plan; and 9) Registration Statement (Form S-8 No. 333-141029) pertaining to the PolyOne Retirement Savings Plan and the DH Compounding Company Savings and Retirement Plan and Trust of our reports dated February 22, 2023, with respect to the consolidated financial statements of Avient Corporation and the effectiveness of internal control over financial reporting of Avient Corporation, included in this Annual Report (Form 10-K) of Avient Corporation for the year ended December 31, 2022.

További információkért azzal kapcsolatban, hogy az Avient hogyan dolgozza fel az Ön személyes adatait ezekkel a szolgáltatásokkal és harmadik fél weboldalakkal kapcsolatban, kérjük, olvassa el az Avient Corporation adatvédelmi nyilatkozatát, amely https://www.avient.com/company/policies-and-governance/polyone-corporation-privacy-statement) oldalon érhető el. Példa: Ha Ön egy pozícióra jelentkezik a PolyOne Canada, Inc. Az USA-ban a felelős részleg (Avient Corporation) tagjai és – szokásos módon – a kanadai HR-osztály (PolyOne Canada, Inc.) tagjai vesznek részt jelentkezésének kezelésében.