C/ Valportillo Primera 22-24, Edificio Caoba, 28108 Alcobendas - Madrid, España This certificate is valid, subject to the general and specific terms and conditions of certification services STANDARD Bureau Veritas certification certifies that the Management System has been audited and found to be in accordance with the requirements of standard: Awarded to Certification https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 https://e-cer.bureauveritas.com/WJLVJDYG9LKV98RP6JCHF8NPSKES0NHDXDPLOWOT1TB290DE4LNZC0JCBAI2BVWEAZ1GJWC8BMDC2TXFBGVDXP3YXG0JLAVMFN3HLEWBLUWJGXCY5PAJ8QKKSTVJYSZ9M9 2022-12-15T10:52:43+0100 Authenticity and Integrity 2022-12-15T10:53:51+0100 BUREAU VERITAS CERTIFICATION

area_of_inquiry=thermoplastic%20elastomers https://www.avient.com/idea-filter? productgroup=85&theme= https://www.avient.com/idea-filter? https://www.avient.com/services/how-resources/technical-bulletins/hardness https://www.avient.com/services/how-resources/tpe-faqs#stretchProperties What are the main advantages of using TPEs?

We thank you for your understanding, and we look forward to serving your needs. 3 Table of contents A Message from our Global Quality Manager ...............................................................2 Avient Corporation: Overview ............................4 Avient Policy for Customer Audits ......................5 Management Responsibility ...............................6 Product Liability Insurance .............................6 Ethics - Code of Conduct.................................6 Modern Slavery Statement.............................6 Conflict Mineral Policy....................................6 Technical Data Sheets.....................................6 Safety Data Sheets..........................................6 Regulatory Requests and Certificates (FDA certificate, Absence declaration, REACH, SDS) ........................................6 Safety Performance ........................................6 Environmental Performance...........................6 Energy Management ......................................6 Business Continuation Plan.............................6 Preventive - Predictive Maintenance..............6 Financial Report..............................................6 Quality Management..........................................7 3rd Party Certification......................................7 Complaint Handling ........................................7 Continuous Improvement...............................7 Traceability .....................................................7 Record Retention............................................7 IT Security.........................................................8 Firewall .........................................................8 Critical Data ..................................................8 IT Disaster Recovery .....................................8 IT Systems of Use Policy ...............................8 Annex 1 - Special dispositions related to ISO 13485 certification for Mevopur .......................9 Change control .............................................9 Validation .....................................................9 Control of documents and records ...............9 Supplier approval and supplier evaluation ...9 Traceability ...................................................9 Material management ..................................9 Release of finished products.........................9 Control of Non-conforming products, complaints handling, recall and CAPA..........9 Annex 2 – special dispositions related to ISO 22000 certification............................................10 Change..........................................................10 HACCP ..........................................................10 Control of documents and records ...............10 Material management ..................................10 Supplier approval and supplier evaluation ...10 Traceability ...................................................10 Release of finished products.........................10 Control of Non-conforming products, complaints handling, recall and CAPA..........10 4 Avient Corporation: Overview The Avient website is your home base for information about the company: http://www.avient.com/ To find our facility locations: http://www.avient.com/contact/global-directory-and-contacts For more information about our management systems certifications, including ISO, go to: http://www.avient.com/company/sustainability/environmental/global-iso-certificate-library Avient Governance (corporate policies and the Avient Code of Conduct): http://www.avient.com/investors/governance Financial reports: https://www.avient.com/investors Avient Sustainability Report: https://www.avient.com/company/sustainability http://www.avient.com/ http://www.avient.com/contact/global-directory-and-contacts http://www.avient.com/company/sustainability/environmental/global-iso-certificate-library http://www.avient.com/investors/governance https://www.avient.com/investors https://www.avient.com/company/sustainability 5 Avient Policy for Customer Audits Avient may permit audits of facilities, subject to:  Advanced notice and an audit agenda provided at least thirty (30) days in advance or as agreed by the Avient location to be audited for a routine audit.  Audits must be conducted during normal business hours.  Audits may require a signed Non-Disclosure Agreement (NDA) prior to the audit. Information that Avient considers as confidential and will not communicate through questionnaires:  Building and facilities figures  Workforce effective  Organization charts  Shift organization  Unions affiliations  Customers  Suppliers  Procedures  Work instructions  Quality Manuals  FMEA/CCP  Control plans http://www.avient.com/company/sustainability/environmental/global-iso-certificate-library https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/company/sustainability/sustainability-report/people/human-rights https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/company/policies-and-governance-0/global-iso-certificate-library https://www.avient.com/resources/safety-data-sheets https://www.avient.com/resources/technical-data-sheets https://www.avient.com/company/sustainability/people/safety https://www.avient.com/company/sustainability/sustainability-report/planet/energy-ghg-emissions https://www.avient.com/investors/investor-news? IT Systems of Use Policy This Policy is available here. https://www.avient.com/company/policies-and-governance/it-systems-use-policy 9 10 Annex 1 - ISO 13485 certification for Mevopur manufacturing sites North America & EMEA.

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Hanna Company. http://www.avient.com/contact/global-directory-and-contacts http://www.avient.com/ https://www.avient.com/sites/default/files/resources/PolyOne%2520Code%2520of%2520Conduct_0.pdf https://www.avient.com/sites/default/files/resources/PolyOne%2520Code%2520of%2520Conduct_0.pdf http://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-trafficking-statement http://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-trafficking-statement http://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-trafficking-statement Approved Corporate : Template/Form Document #: DOC-01879 Revision: 8 Document Owners: Brian Hoar Effective Date: May 13, 2022 Title: QF-02 Quality Standard Response Page 10 of 19 Only the electronic version of this document in ETQ is the controlled version of the document. Avient’s No Surprises Pledge https://www.avient.com/company/sustainability/product/no- surprises-pledge https://www.avient.com/company/policies-and-governance/it-systems-use-policy https://www.avient.com/company/policies-and-governance/it-systems-use-policy https://www.avient.com/company/sustainability/planet/responsible-care https://www.avient.com/company/sustainability/planet/responsible-care https://www.avient.com/company/sustainability/product/no-surprises-pledge https://www.avient.com/company/sustainability/product/no-surprises-pledge Approved Corporate : Template/Form Document #: DOC-01879 Revision: 8 Document Owners: Brian Hoar Effective Date: May 13, 2022 Title: QF-02 Quality Standard Response Page 11 of 19 Only the electronic version of this document in ETQ is the controlled version of the document. Refer to website: http://www.avient.com/resources/safety-data-sheets https://www.polyonedistribution.com/safety-data-sheets If unable to locate please email: MSDSREQUESTColorsVinylEM@polyone.com Are certifications supplied for regulatory requirements (i.e.

A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations shortly after the live webcast. http://www.avient.com/investors https://sustainabilityday2023.avient.com/ http://www.avient.com/investors https://register.vevent.com/register/BI0b9400e410674b9d9dc80471579b64b9 https://www.avient.com/investors/events-presentations About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Rose Vice President, Marketing and Communications +1 440-930-3162 kyle.rose@avient.com http://www.avient.com/ http://www.avient.com/news mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com

Discover advanced material solutions so you can solve tough challenges and leave the competition in your wake. 1.844.4AVIENT avient.com © 2025, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 TACTILE EXPERIENCE Soft Touch Feel, Wet Grip, Durable Performance, Reduced Heat Transfer SOLUTION: Thermoplastic Elastomers (TPEs), UV Blocking Additives, “Cooler to the Touch” Colorants METAL REPLACEMENT High Impact Resistance, Durability, Vibration Damping Properties, Weight Reduction, Design Flexibility SOLUTION: Long Glass Fiber Reinforced Composites, Chemical Foaming Agents WOOD REPLACEMENT & WEIGHT REDUCTION Exceptional Strength-to-Weight Ratio, Resistance to Chemicals and Moisture Degradation, Strong Adhesive Properties for Simplified Installation SOLUTION: Composite Sandwich Panels, Chemical Foaming Agents, Wood Plastic Composite (WPC) Technology, Continuous Fiber Reinforced Thermoplastic Tape & Laminates, Pultruded Composite Profiles HIGH IMPACT DURABILITY High Strength Performance, Localized Reinforcement, Material Reduction SOLUTION: Continuous Fiber Reinforced Thermoplastic Tape & Laminates CORROSION & MOISTURE RESISTANCE Extended Performance, Low Moisture Uptake, Durability SOLUTION: Moisture-Resistant Long Fiber Reinforced Composites, Corrosion Resistant Additives, Composite Sandwich Panels AESTHETIC APPEAL Custom Color and Special Effects, Paint Replacement, Color Fade Protection SOLUTION: Custom Polymer Colorants, UV Blocking Additives, Antioxidant Additives, Molded-In-Color Metallics, Scratch & Mar Additives, Laser Marking Additives, Pre-Colored High-Gloss Thermoplastics http://www.avient.com https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers https://www.avient.com/products/polymer-additives/uv-and-light-blocking-additives/cesa-light-additives https://www.avient.com/products/polymer-additives/uv-and-light-blocking-additives/oncolor-wpc-capstock-technology https://www.avient.com/products/long-fiber-technology/complet-long-glass-fiber https://www.avient.com/products/long-fiber-technology/complet-long-glass-fiber https://www.avient.com/products/polymer-additives/foaming-agents https://www.avient.com/products/advanced-composites/continuous-fiber-composite-panels/hammerhead-marine-composite-panels https://www.avient.com/products/polymer-additives/foaming-agents https://www.avient.com/products/polymer-additives/uv-and-light-blocking-additives/oncolor-wpc-capstock-technology https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-pultruded-rods-tubes-custom-profiles https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/polymer-additives/corrosion-resistant-additives/cesa-cor-additives https://www.avient.com/products/advanced-composites/continuous-fiber-composite-panels/hammerhead-marine-composite-panels https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-fx-special-effect-colorants https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-fx-special-effect-colorants https://www.avient.com/products/polymer-additives/uv-and-light-blocking-additives/cesa-light-additives https://www.avient.com/products/polymer-additives/antioxidant-additives https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-fx-paint-replacement-0 https://www.avient.com/products/polymer-additives/visual-enhancement-effects/cesa-scratch-mar-resistance-additives https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/cesa-laser-additives https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/artisan-pre-colored-thermoplastics-premium-finishes https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/artisan-pre-colored-thermoplastics-premium-finishes

For more on material solutions for snowmobiles, visit avient.com © 2025, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 EXTENDED PERFORMANCE Minimize Moisture Uptake from Melted Snow SOLUTION: Moisture-Resistant Long Fiber Reinforced Composites, Corrosion-Resistant Additives TACTILE EXPERIENCE Soft Touch Feel, Durable Performance, Lower Thermal Conductivity than Metals SOLUTION: Thermoplastic Elastomers (TPEs), Long Fiber Reinforced Composites THERMAL MANAGEMENT & SAFETY Heat Dissipation, Design Flexibility, Flame Retardancy SOLUTION: Thermally Conductive Formulations, Flame Retardant Additives HIGH IMPACT DURABILITY High Strength-To-Weight Ratio, Elevated and Low Temperature Performance SOLUTION: Long Carbon Fiber Reinforced Composites, Continuous Fiber Reinforced Thermoplastic Tape & Laminates COLD TEMPERATURE PERFORMANCE Cold Temperature Flexibility and Toughness SOLUTION: Thermoplastic Elastomers (TPEs), Long Fiber Reinforced Composites, Impact Modifiers WEIGHT REDUCTION 40–50% Lightweighting Compared to Metal, Exceptional Structural Properties, Extremely High Stiffness and Strength from -40° to 160°F SOLUTION: Long Carbon Fiber Reinforced Composites, Chemical Foaming Agents AESTHETIC APPEAL Custom Color and Special Effects, Paint Replacement, Color Fade Protection SOLUTION: Custom Polymer Colorants, UV Blocking Additives, Antioxidant Additives, Molded-In-Color Metallics, Scratch and Mar Performance, Laser Marking, Pre-Colored High-Gloss Thermoplastics https://www.avient.com/industries/consumer/consumer-discretionary/outdoor-recreation/powersports https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/polymer-additives/corrosion-resistant-additives/cesa-cor-additives https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers https://www.avient.com/products/long-fiber-technology https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/therma-tech-thermally-conductive-formulations https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/cesa-flame-retardant-additives https://www.avient.com/products/long-fiber-technology/complet-long-carbon-fiber https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/thermoplastic-elastomers/onflex-thermoplastic-elastomers https://www.avient.com/products/long-fiber-technology https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-combination-colorants-additives https://www.avient.com/products/long-fiber-technology/complet-long-carbon-fiber https://www.avient.com/products/polymer-additives/foaming-agents https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-fx-special-effect-colorants https://www.avient.com/products/polymer-additives/uv-and-light-blocking-additives/cesa-light-additives https://www.avient.com/products/polymer-additives/antioxidant-additives https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-fx-paint-replacement-0 https://www.avient.com/products/polymer-additives/visual-enhancement-effects/cesa-scratch-mar-resistance-additives https://www.avient.com/products/polymer-additives/colorants-and-additives-wire-cable/cesa-laser-additives https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/artisan-pre-colored-thermoplastics-premium-finishes

SENSORY EXPERIENCE Wear Resistance, Noise Reduction, Low Friction SOLUTION: Internally Lubricated Formulations, Thermoplastic Elastomers, Scratch and Mar Resistant Additives POSSIBILITIES: Gears, Gaskets, Hood Dampers, Seating Systems STRUCTURAL INTEGRITY High Stiffness-to-Weight Ratio, Metal Replacement, Part Consolidation SOLUTION: Long Fiber Reinforced Composites POSSIBILITIES: Seat Base, Brake Pedal, Frame, Floor Pan, Controls EXTREME PERFORMANCE Chemical & Fire Resistance, Extreme Temperature Performance, Thermal Management, Lightweighting SOLUTION: Engineered Nylon Formulations, Flame Retardant Polyolefin Formulations, Engineered Polyketone Formulations, Thermally Conductive Formulations, Chemical Foaming Agents POSSIBILITIES: Under-the-Hood Applications, Electrical Connectors, Battery Assembly Housings, Exterior Trim and Equipment THERMAL MANAGEMENT Heat Dissipation, Flexible Design SOLUTION: Thermally Conductive Formulations POSSIBILITIES: LED Lights, Heat Sinks AESTHETIC APPEAL Custom Color, Special Effects, Paint Replacement, Corrosion Resistance, UV Stability SOLUTION: Custom Pre-Colored Formulations, Pre-Colored High-Gloss Thermoplastics, Solid Color Masterbatches POSSIBILITIES: Body Panels, Pedals, Control Grips, Bezels, Brand Elements TACTILE EXPERIENCE Soft-Touch Feel, Durable, Wet Grip Performance, Color Customization, UV Stability, Ergonomic Design, Overmolding SOLUTION: Thermoplastic Elastomers, Combination Colorant and Additive Formulations, Fabric-Effect Colorants and Additives POSSIBILITIES: Steering Wheel, Switches, Knobs © 2024, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/lubrione-internally-lubricated-formulations https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/lubrione-internally-lubricated-formulations https://www.avient.com/products/thermoplastic-elastomers/tpe-knowledge-center https://www.avient.com/products/thermoplastic-elastomers/tpe-knowledge-center https://www.avient.com/products/polymer-additives/visual-enhancement-effects/cesa-scratch-mar-resistance-additives https://www.avient.com/products/polymer-additives/visual-enhancement-effects/cesa-scratch-mar-resistance-additives https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/complet-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/complet-long-fiber-reinforced-structural-thermoplastics https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/nymax-bergamid-polymer https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/nymax-bergamid-polymer https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/maxxam-fr-flame-retardant-polyolefin-formulations https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/maxxam-fr-flame-retardant-polyolefin-formulations https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/edgetek-pke-polyketone-formulations https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/therma-tech-thermally-conductive-formulations https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/therma-tech-thermally-conductive-formulations https://www.avient.com/products/polymer-additives/foaming-agents/hydrocerol-chemical-foaming-agents https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/therma-tech-thermally-conductive-formulations https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/therma-tech-thermally-conductive-formulations https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/custom-pre-colored-specialty-engineered-formulations https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/artisan-pre-colored-thermoplastics-premium-finishes https://www.avient.com/products/polymer-colorants/solid-color-masterbatches https://www.avient.com/products/thermoplastic-elastomers/tpe-knowledge-center https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-combination-colorants-additives https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-fabric-fx

Their use is subject to conditions available at https://www.sustainalytics.com/legal-disclaimers ISS DISCLAIMER STATEMENT E&S Disclosure QualityScore measures and identifies risk in environmental and social areas of concern through thorough analysis of company disclosures. Read more: https://www.issgovernance.com/esg/ratings/ http://www.sustainalytics.com/ https://www.sustainalytics.com/legal-disclaimers https://www.issgovernance.com/esg/ratings/