EXTRUDER Screw 3/4" to 6" Polyethylene type—Single flight, no mixing section, 1.5–2:1 compression ratio Tooling Semi-Pressure type: 30°–40° angle Die On size with 1/8" or less land L/D 24:1 recommended Screen Pack No screen pack (Optional depending on pressure) Cooling Trough 120–150°F (50–65°C) recommended Feeder Gravimetric type preferred—3 compartment for cross-linked Dryer Desiccant type, 4 hours at 160°F (70°C) For ECCOH™ compound only; never put Dry Silane in Dryers PROCESSING Temperature ECCOH 5000 Series ECCOH 6000 Series Wire Preheat 180–250°F (80–120°C) 180–250°F (80–120°C) Feed Zones 200°F (93°C) 275°F (135°C) Transition 275°F (135°C) 325°F (163°C) Metering 300°F (150°C) 375°F (190°C) Head/Die 330°F (165°C) 420°F (215°C) Target Melt 330–340°F (165–170°C) 420–440°F (215–225°C) Flame at Die Tip Yes—as needed Line Speed Shear sensitive: Observe Melt Temperature, Motor Amperage, and Pressure Purge Compound HDPE Copyright © 2020, Avient Corporation.

Handelsregister B des Amtsgerichts Mannheim Nummer der Firma: Seite 1 von 2 HRB 731450 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 S.à r.l., Germany Branch b) Gaggenau Geschäftsanschrift: Adolf-Dambach-Straße 2, 76571 Gaggenau Zweigniederlassung der "PolyOne S.à r.l." mit Sitz in Pommerloch / Luxemburg (Registre de commerce et des sociétés B226205) c) Den Vertrieb und den Großhandel von Fertigerzeugnissen, die unter anderem aus ein- und mehrschichtigen thermoplastischen Platten, Polymermischungen und Farbkonzentraten sowie klaren thermogeformten Kunststoffbehältern bestehen, wobei die Tätigkeiten für die das Gesetz besondere Qualifikationen oder Erlaubnisse vorschreibt, die von der Zweigniederlassung nicht erfüllt oder gehalten werden, ausdrücklich ausgeschlossen sind. 12.000,00 EUR a) Jeder Geschäftsführer vertritt einzeln. a) 10.09.2018 Kretzler 2 b) Bestellt als Geschäftsführer: Fielding, Gary J., Chesire / Vereinigtes Königreich, *20.09.1963 Bestellt als Geschäftsführer: Potoczny, Zaneta Gabriela, Mersch / Luxemburg, *17.10.1974 Ausgeschieden als Geschäftsführer: Machin, Geneviéve Elizabeth, Luxemburg / Luxemburg, *31.03.1972 a) 17.03.2020 Knauf Abruf vom 27.12.2021 17:13 Handelsregister B des Amtsgerichts Mannheim Nummer der Firma: Seite 2 von 2 HRB 731450 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 3 a) Firma geändert; nun: Avient S.à r.l., Germany Branch b) Daten der Hauptniederlassung geändert; nun: Zweigniederlassung der "Avient S.à r.l." mit Sitz in Pommerloch / Luxemburg (Registre de commerce et des sociétés B226205) b) Ausgeschieden als Geschäftsführer: Fielding, Gary J., Chesire / Vereinigtes Königreich, *20.09.1963 Bestellt als Geschäftsführer: Merklein, Norbert, Kronberg im Taunus, *03.05.1964 a) Der geänderte Gesellschaftsvertrag der Hauptniederlassung wurde zum Handelsregister eingereicht.

Second quarter sales increased 5% over the prior year quarter to $1.3 billion, and adjusted EPS increased 13% (20% excluding negative foreign exchange) to $0.98.” For more information, visit www.avient.com/. 4 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. 2) Tax adjustments include the net tax benefit/(expense) from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments. 9 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (In millions) (Unaudited) June 30, 2022 December 31, 2021 ASSETS Current assets: Cash and cash equivalents $ 645.1 $ 601.2 Accounts receivable, net 752.6 642.3 Inventories, net 494.0 461.1 Other current assets 128.4 122.4 Total current assets 2,020.1 1,827.0 Property, net 638.9 676.1 Goodwill 1,256.8 1,286.4 Intangible assets, net 867.2 925.2 Operating lease assets, net 62.7 74.1 Other non-current assets 197.9 208.4 Total assets $ 5,043.6 $ 4,997.2 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 607.7 $ 8.6 Accounts payable 634.0 553.9 Current operating lease obligations 21.4 24.2 Accrued expenses and other current liabilities 307.5 353.9 Total current liabilities 1,570.6 940.6 Non-current liabilities: Long-term debt 1,249.1 1,850.3 Pension and other post-retirement benefits 95.0 100.0 Deferred income taxes 106.6 100.6 Non-current operating lease obligations 41.8 50.1 Other non-current liabilities 154.7 165.1 Total non-current liabilities 1,647.2 2,266.1 SHAREHOLDERS' EQUITY Avient shareholders’ equity 1,809.7 1,774.7 Noncontrolling interest 16.1 15.8 Total equity 1,825.8 1,790.5 Total liabilities and equity $ 5,043.6 $ 4,997.2 10 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Six Months Ended June 30, 2022 2021 Operating Activities Net income $ 169.2 $ 149.1 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 71.1 69.5 Accelerated depreciation and amortization 3.2 1.4 Share-based compensation expense 6.3 5.6 Changes in assets and liabilities, net of the effect of acquisitions: Increase in accounts receivable (133.2) (196.1) Increase in inventories (45.9) (88.1) Increase in accounts payable 98.5 108.4 Decrease in pension and other post-retirement benefits (9.9) (9.2) (Decrease) increase in accrued expenses and other assets and liabilities, net (52.6) 27.5 Net cash provided by operating activities 106.7 68.1 Investing activities Capital expenditures (34.0) (42.1) Settlement of cross-currency swaps 75.1 — Net cash proceeds used by other assets — (2.0) Net cash provided (used) by investing activities 41.1 (44.1) Financing activities Purchase of common shares for treasury (36.4) (4.2) Cash dividends paid (43.5) (38.8) Repayment of long-term debt (4.4) (4.4) Payments of withholding tax on share awards (4.1) (4.2) Net cash used by financing activities (88.4) (51.6) Effect of exchange rate changes on cash (15.5) (5.7) Increase (decrease) in cash and cash equivalents 43.9 (33.3) Cash and cash equivalents at beginning of year 601.2 649.5 Cash and cash equivalents at end of period $ 645.1 $ 616.2 11 Attachment 6 Avient Corporation Business Segment Operations (Unaudited) (In millions) Operating income and earnings before interest, taxes, depreciation and amortization (EBITDA) at the segment level does not include: special items as defined in Attachment 3; corporate general and administration costs that are not allocated to segments; intersegment sales and profit eliminations; share-based compensation costs; and certain other items that are not included in the measure of segment profit and loss that is reported to and reviewed by the chief operating decision maker.

STAT-TECH AS-10CF/000 BLACK STAT-TECH ST3200-0010 NH FR BLACK STAT-TECH ST9620-0020 ES RED STAT-TECH NN-40CF/000 NH FRV0 NATURAL Applications Sensor, Camera & ECU Housings Sensor, Camera & ECU Housings Sensor, Camera & ECU Housings Sensor, Camera & ECU Housings Defining Features Antistatic Conductive EMI Shielding Flame Retardant EMI Shielding Good Chemical Resistance High Stiffness Filler/ Reinforcement Carbon Fiber, 10% by Wt — Nickel-Coated Carbon Fiber Carbon Fiber, 40% by Wt Surface Resistivity 1.0E+2 to 1.0E+6 ohms 1.5E+4 ohms 1.0E+2 to 1.0E+4 ohms 1.0E+2 to 1.0E+5 ohms Shielding Effectiveness (10GHz, 1/8" thickness) — — 61 dB 70 dB HOW STAT-TECH MATERIAL MAKES THE DIFFERENCE IN AUTOMOTIVE ADAS SENSORS, CAMERAS AND ECUS Protection from static buildup – Stat-Tech material reduces static buildup with surface resistivity between 1.0E+2 ohms and 1.0E+6 ohms, minimizing sparks from damaging nearby electrical components, especially those near fuel storage.

KEY CHARACTERISTICS ECCOH 5924FORMULATION ECCOH 5981 FORMULATION ECCOH 5983 UV FORMULATION Material Standards BS7655-6, 1 (LTS1–4), BS6724, IEC 60502 BS7655-6, 1 (LTS3) BS7655-6, 1 (LTS1–4) Tear Strength at 23°C 7.7 N/mm 10 N/mm 11 N/mm Tear Strength at 65°C 2.3 N/mm 5 N/mm 6.5 N/mm Hot Pressure Test (6h at 90°C) 39% –

These include: • Industrial – Conveyor belts (food production and pharmaceutical industries) and controls ( joy sticks, machinery handles and knobs, corrugated bellows, tool grips) • Electrical and electronic devices – Seals and gaskets, radars and sensors • ADAS components – Camera systems, navigation systems, vehicle control systems, infotainment systems PRODUCT OVERVIEW STAT-TECH SOLUTIONS KEY TECHNICAL PROPERTIES Material Description Base Resin Color Hardness Range Surface Resistivity (Ω) Key Characteristics ST0100-5003 ESD FD White VN8904 GP0F025721 TPU White 85 ShA 108 to 109 High elongation, static conductive, FDA compliance ST0100-5006 ESD X2 Natural TPU Natural 85 ShA 107 to 109 High elongation, static conductive ST0200-5001 ESD Natural X1 TPE Natural 40 ShD 107 to 109 High elongation, permanent anti-static, static conductive SST0200-5004 ESD Black TPE Black 40 ShA 103 to 105 Electrically conductive, static dissipative, lower hardness ST0200-5002 EC ES Black TPE Black 60 ShA 100 to 102 Electrically conductive, high elongation ST0200-5009 EC Black TPE Black 60 ShA 100 to 102 Electrically conductive, high elongation Property Unit Standard Test Methods ST0100-5003 ESD FD White VN8904 GP0F02571 ST0100- 5006 ESD X2 Natural ST0200- 5001 ESD Natural X1 ST0200- 5004 ESD Black ST0200- 5002 EC ES Black ST0200- 5009 EC Black Base Resin TPU TPU TPE TPE TPE TPE Physical Properties Hardness Shore ISO 48-4 85A 85A 50D 40A 60 A 60A Density ISO 1183 1.19 1.15 1 1.01 0.965 1.21 Mechanical Properties Tensile Strength (Break) Mpa DIN 53404 10 15 15 4 5.7 2.5 Elongation, Break % DIN 53504 600 650 500 300 400 250 Electrical Properties Surface Resistivity Ω IEC 60093 108 to 109 107 to 109 107 to 109 103 to 105 100 to 102 100 to 102 Volume Resistivity Ω.cm IEC 60093 108 to 109 107 to 109 107 to 109 103 to 105 100 to 102 100 to 102 Color White Natural Natural Black Black Black Copyright © 2023, Avient Corporation.

NAME BASE RESIN(S) TARGET MARKETS AVAILABLE FEATURES1 Artisan™ Pre-Colored Thermoplastics PA Powersports, Lawn & Garden, Marine Customizable pre-color solutions Scratch & mar resistance Weatherability & UV resistance High impact resistance Chemical resistance Simplifies processing/replaces paint Tailored temperature performance range: -20°C to 105°C Global availability Complēt™ OnForce™ PA, PP, PPA, PPS, TPU Consumer, Transportation, Industrial Long fiber technology Elevated impact and mechanical properties at room temperature Increased performance at temperature extremes Excellent creep and fatigue resistance Glass and carbon fiber filled options Lubricated, fire retardant, and pre-colored options Edgetek™ Bergadur™ ABS, LCP, PA, PC, PC/ABS, PC/PBT, PC/PET, PC/PSU, PEEK, PES, PEI, POM, PPA, PPS, PSU Consumer, Transportation, Industrial Strength and durability Chemical resistance High impact resistance Weatherability Flame retardant grades: UL 94 V-0, V-1, V-2, and 5VA Pre-color solutions Lightweighting 5G properties - Dk/Df and 3D/LDS Gravi-Tech™ PA, TPU, TPE, PBT Consumer, Transportation, Industrial Customized density, from 1.5 to 11 gm/cm3 Broad modulus and strength: flexible to rigid Chemical and corrosion resistance Gravi-Tech™ LD light density grades available LubriOne™ PA, PBT, PC, PEEK, PEI, POM, PP, PPA, PPS, PS Transportation, Electrical & Electronics, Industrial Low coefficient of friction Self-lubricating Chemical, wear, and corrosion resistance Maxxam™ PP Consumer, Transportation, Electrical & Electronics, Industrial Homopolymer and copolymer grades Optional additives: UV, heat stabilizers Standard grades available in natural and black Maxxam™ FR PE, PP Consumer, Transportation, Electrical & Electronics, Industrial Flame retardant grades: UL 94 V-0, V-1, V-2, and 5VA Flame retardant masterbatches Elevated UL RTI ratings Halogen-free flame retardant grades available Nymax™ Nymax™ PIR Bergamid™ PA 6, 66, 612, 12, co-polymers Transportation, Building & Construction, Electrical & Electronics Toughened grades: medium and high impact Optional additives: heat stabilized, lubricated, impact modified, nucleated Standard grades available in natural and black Pre-colored solutions available PIR grades with 20%–100% recycled content, supporting the circular economy SPECIALTY ENGINEERED THERMOPLASTICS 1 See technical data sheets for complete product details 1 See technical data sheets for complete product details 2 From NEU™ Specialty Engineered Materials, LLC., a wholly-owned subsidiary of Avient Corporation NAME BASE RESIN(S) AVAILABLE FEATURES1 Trilliant™ ABS, LCP, PA, PC, ABS, PA 6, PA 66, PC/ABS, PC/PSU, PEBA, PEEK, PES, POM, PPA, PSU Certified to USP Class VI Formulations locked down Drug master file submissions by product stewardship Pre-colored, small lot production down to 50 lb–250 lb Sterilization, chemical resistance, and secondary process guidance Adherence to FDM-GMP manufacturing standards Antimicrobial technologies Materials for radiation shielding protection NEU™ Specialty Materials2 PEBA, TPU, PA 11, PA 12, PP, PE, TPE Radiopacifiers, stabilizers, and surface modifiers Antimicrobial technologies Pre-colored formulations Small lot capabilities Short lead times Versaflex™ HC TPE Overmolding Clear and heat resistant Ultra clear grades Ultra soft TPE gels, 30 shore OO FDA, USP Class VI, ISO 10993 approved grades Sterilizable under autoclave, radiation, and EtO gas Extrusion, injection, and blow moldable HEALTHCARE SPECIALTY THERMOPLASTICS NAME BASE RESIN(S) TARGET MARKETS AVAILABLE FEATURES1 reSound™ R Recycled Formulations PA6, PA66, PC Transportation, Consumer, Household Appliance, Electrical & Electronics, Industrial PA grades: Up to 100% recycled content PC grades: Up to 70% recycled content PIR and PCR grades available Support the circular economy Comparable performance to prime grades Customizable solution Surround™ ABS, PP, PBT, PC, PA 66 Transportation, Electrical & Electronics Integrated EMI/RFI shielding Long fiber technology Conductive properties Galvanic corrosion protection Lightweighting and ease of processing Stat-Tech™ ABS, PA, PC, PC/ABS, PC/PSU, PEEK, PEI, PES, PP, PPA Transportation, Electrical & Electronics Integrated EMI/RFI shielding Conductive properties Anti-static/dissipative properties Corrosion resistance Lightweighting and ease of processing Clean room materials for semiconductors available Therma-Tech™ LCP, PA, PEEK, PP, PPA, PPS Consumer, Transportation Thermally conductive Low coefficient of thermal expansion Corrosion resistance SPECIALTY ENGINEERED THERMOPLASTICS NAME BASE RESIN(S) TARGET MARKETS AVAILABLE FEATURES1 Barricade™ Elastomers with Fortrex™ Technology Barricade™ high-performance elastomers bring next genera- tion technology to market to bridge the gap between tradi- tional TPEs and silicone Healthcare, Industrial Aerospace, Appliances, Electronics High temperature compression set Processes on thermoplastic injection molding and extrusion equipment Customizable and colorable Process simplicity CROSSLINKABLE ELASTOMERS Barricade formulations leverage licensed Fortrex™ technology.

Yes. 4. Each Sourcing Manager rates vendors on pricing. 4. The policy can be found at www.polyone.com 4.

Notre Code de conduite 2023 Table des matières Un message du président-directeur général 1 Notre vision et notre stratégie 2 Valeurs fondamentales et personnelles 2 Notre Code de conduite Directives pour un comportement éthique 4 Valeurs personnelles 4 Résoudre les questions et signaler les situations de non-conformité 6 Ligne d’assistance liée à l’éthique 6 Non-représailles 6 Application du Code de conduite 7 Violations du Code 7 Respect pour tous Diversité et inclusion 9 Discrimination ou harcèlement 9 Relations sur le lieu de travail 9 La toxicomanie/l’alcoolisme 10 Sécurité physique et violence sur le lieu de travail 10 Honnêteté au travail Exactitude des informations, données et archives 12 Intégrité comptable 12 Communications de la société 14 Protection et utilisation des actifs 14 Informations exclusives et confidentielles ; idées et propriété intellectuelle 14 Protection de la sphère privée, des informations et données personnelles 15 Utilisation d’Internet et des courriers électroniques 15 Médias sociaux et réseaux sociaux 16 Sécurité informatique, licences logicielles et copyrights 16 Délit d’initié 16 Contributions/activités politiques et contributions caritatives 17 Enquêtes et demandes de renseignements du gouvernement 17 Intégrité dans notre activité Traitement équitable 19 Corruption et pots-de-vin 19 Agents et Consultants 20 Concurrence 20 Cadeaux et marques d’hospitalité 20 Conflits d’intérêts 21 Transactions intéressées 22 Commerce international 22 Responsabilité sociale d’entreprise Durabilité 24 Sécurité, santé et environnement 24 Sécurité des produits et des services 25 Respect des droits de l’homme 25 Un engagement partagé 25 Ressources et coordonnées 26 1 Table des matières Un message du président-directeur général Chers collaborateurs d’Avient, En tant que société mondiale en pleine expansion, nous sommes confrontés à des situations difficiles et à des prises de décisions complexes. Specialization Globalization Operational Excellence Commercial Excellence Associates 3 Table des matières Notre Code de conduite 4 Table des matières Directives pour un comportement ethique Le Code de conduite (le « Code ») d’Avient est un guide de la conduite professionnelle. La ligne d’assistance de l’éthique est disponible dans le monde entier, dans plus de 20 langues, 24 heures sur 24, 7 jours sur 7.

Notre Code de conduite 2023 Table des matières Un message du président-directeur général 1 Notre vision et notre stratégie 2 Valeurs fondamentales et personnelles 2 Notre Code de conduite Lignes directrices en matière d’éthique 4 Valeurs personnelles 4 Résolution des problèmes et signalement des situations de non-conformité 6 Ligne d’assistance en matière d’éthique 6 Absence de représailles 6 Application du Code de conduite 7 Violations du Code 7 Respect de tous Diversité et inclusion 9 Discrimination ou harcèlement 9 Relations au travail 9 Abus de drogues ou d’alcool 10 Sécurité physique et violence au travail 10 Honnêteté au travail Renseignements, données et dossiers 12 Intégrité comptable 12 Communications de l’Entreprise 14 Protection et utilisation des biens 14 Renseignements internes, exclusifs et confidentiels, idées novatrices et propriété intellectuelle 14 Confidentialité, renseignements personnels et protection des données 15 Utilisation d’Internet et des courriels 15 Médias sociaux et réseautage social 16 Sécurité informatique, licence de logiciels et droits d’auteur 16 Information privilégiée et délit d’initié 16 Contributions/activités politiques et contributions de bienfaisance 17 Enquêtes administratives et autres enquêtes 17 Intégrité dans nos affaires Utilisation équitable 19 Corruption et commissions clandestines 19 Agents et consultants 20 Concurrence 20 Cadeaux et hospitalité 20 Conflits d’intérêts 21 Transactions d’initié 22 Commerce international 22 Responsabilité sociale d’entreprise Développement durable 24 Sécurité, santé et environnement 24 Sécurité des produits et des services 25 Respect des droits de la personne 25 Un engagement commun 25 Ressources et coordonnées 26 1 Table des matières Un message du président-directeur général Chers associés Avient, En tant qu’entreprise mondiale en pleine croissance, nous sommes confrontés à des situations difficiles et à des décisions complexes. Specialization Globalization Operational Excellence Commercial Excellence Associates 3 Table des matières Notre Code de conduite 4 Table des matières Lignes directrices en matière d’ethique Le Code de conduite (le « Code ») d’Avient est un guide de conduite des affaires qui a pour objectif d’assurer la préservation et le renforcement de nos valeurs et de la réputation d’Avient. Lorsque vous voyagez pour le compte de l’entreprise, on s’attend à ce que vous fassiez ce qui suit : 1. respecter la politique d’Avient en matière de voyages et de divertissements; 2. maintenir une apparence et un comportement qui préserve la réputation et les valeurs fondamentales d’Avient; 3. respecter toutes les lois; 4. déclarer et documenter toutes les dépenses d’affaires directes, ordinaires et appropriées.