KEY CHARACTERISTICS • Meets critical need for thermal weldability and kink resistance • Minimizes extractables during processing • Provides excellent tensile strength • Complies with USP VI and ISO 10993-4, -5, -11 certifications • Suitable for gamma and autoclave sterilization methods • Bio-based grade option formulated with nearly 40% Gen 1 biomass content PRODUCT OVERVIEW 1.844.4AVIENT www.avient.com Copyright © 2023, Avient Corporation.

ECert - 2023-11-22T154408.223.pdf Page 1 of 10 Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof. This is to confirm that the Environmental, Health, Safety and Security Management System of: Avient Corporation HQ 33587 Walker Road The Environmental, Health, Safety and Security Management System is applicable to: Certificate No: 65536 Effective Date: 29 September 2023 Expiration Date: 28 September 2026 Revision Date: 22 November 2023 Dominic Townsend, President CORPORATE SUPPORT ACTIVITIES, DESIGN, MANUFACTURE AND DISTRIBUTION OF COLOUR AND ADDITIVE CONCENTRATES, THERMOPLASTIC RESINS AND PELLETS, SPECIALTY COMPOUNDS AND COLORANTS.

To find more details about our certifications, visit our ISO Certifications Library. The certification allows all locations on the certification to maintain a Responsible Care® Certification and ISO:14001 certification. In addition to our global certifications, individual sites have obtained additional certification specific to the products and customers they serve.

To find more details about our certifications, visit our ISO Certifications Library. The certification allows all locations on the certification to maintain a Responsible Care® Certification and ISO:14001 certification. In addition to our global certifications, individual sites have obtained additional certification specific to the products and customers they serve.

ECert - 2024-03-22T104613.866.pdf Page 1 of 53 Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof. Avient Corporation Avient Corporation HQ Certificate No: 65536 Certification Date: 29 September 2023 CORPORATE SUPPORT ACTIVITIES, DESIGN, MANUFACTURE AND DISTRIBUTION OF COLOUR AND ADDITIVE CONCENTRATES, THERMOPLASTIC RESINS AND PELLETS, SPECIALTY COMPOUNDS AND COLORANTS.

Seller warrants good and clear title in goods subject to the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis, a Certificate of Compliance, or a Product Specification Sheet, if any such document exists, and other specifications signed by Seller (“Specifications”). Such tax and duties will be added by Seller to the sales price when Seller has the legal obligation to collect the same and Buyer will pay such taxes and duties unless Buyer provides Seller with a proper tax exemption certificate for each jurisdiction in which taxes otherwise would be due.

This low smoke and fume non-halogen (LSFOH) grade was developed to provide comparable performance to market-leading jacket materials, including PVC, while offering additional benefits to cable manufacturers needing to meet CSA Teck 90 certification.

Green Tariffs) Renewable electricity technology type Renewable electricity mix, please specify 100% renewable Renewable electricity consumed via selected sourcing method in the reporting year (MWh) 390 Tracking instrument used Contract Total attribute instruments retained for consumption by your organization (MWh) 390 Country/area of origin (generation) of the renewable electricity/attribute consumed Argentina Commissioning year of the energy generation facility (e.g. date of first commercial operation or repowering) Vintage of the renewable energy/attribute (i.e. year of generation) 2021 Brand, label, or certification of the renewable electricity purchase No brand, label, or certification Comment Country/area of renewable electricity consumption Belgium Sourcing method Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 96 Unbundled Energy Attribute Certificate (EAC) purchase Renewable electricity technology type Renewable electricity mix, please specify 100% renewable Renewable electricity consumed via selected sourcing method in the reporting year (MWh) 4,111.8 Tracking instrument used I-REC Total attribute instruments retained for consumption by your organization (MWh) 4,111.8 Country/area of origin (generation) of the renewable electricity/attribute consumed Belgium Commissioning year of the energy generation facility (e.g. date of first commercial operation or repowering) Vintage of the renewable energy/attribute (i.e. year of generation) 2021 Brand, label, or certification of the renewable electricity purchase No brand, label, or certification Comment Country/area of renewable electricity consumption Germany Sourcing method Green electricity products from an energy supplier (e.g. Green Tariffs) Renewable electricity technology type Renewable electricity mix, please specify 100% renewable Renewable electricity consumed via selected sourcing method in the reporting year (MWh) 1,991.2 Tracking instrument used Contract Total attribute instruments retained for consumption by your organization (MWh) 1,991.2 Country/area of origin (generation) of the renewable electricity/attribute consumed Sweden Commissioning year of the energy generation facility (e.g. date of first commercial operation or repowering) Vintage of the renewable energy/attribute (i.e. year of generation) 2021 Brand, label, or certification of the renewable electricity purchase No brand, label, or certification Comment Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 99 Country/area of renewable electricity consumption Italy Sourcing method Unbundled Energy Attribute Certificate (EAC) purchase Renewable electricity technology type Renewable electricity mix, please specify 100% renewable Renewable electricity consumed via selected sourcing method in the reporting year (MWh) 21,403.1 Tracking instrument used I-REC Total attribute instruments retained for consumption by your organization (MWh) 21,403.1 Country/area of origin (generation) of the renewable electricity/attribute consumed Italy Commissioning year of the energy generation facility (e.g. date of first commercial operation or repowering) Vintage of the renewable energy/attribute (i.e. year of generation) 2021 Brand, label, or certification of the renewable electricity purchase No brand, label, or certification Comment Country/area of renewable electricity consumption United States of America Sourcing method Unbundled Energy Attribute Certificate (EAC) purchase Renewable electricity technology type Renewable electricity mix, please specify Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 100 100% renewable Renewable electricity consumed via selected sourcing method in the reporting year (MWh) 100,008 Tracking instrument used US-REC Total attribute instruments retained for consumption by your organization (MWh) 100,008 Country/area of origin (generation) of the renewable electricity/attribute consumed United States of America Commissioning year of the energy generation facility (e.g. date of first commercial operation or repowering) Vintage of the renewable energy/attribute (i.e. year of generation) 2021 Brand, label, or certification of the renewable electricity purchase Green-e Comment C8.2j (C8.2j) Provide details of your organization’s renewable electricity generation by country in the reporting year. Country/area of generation Belgium Renewable electricity technology type Solar Facility capacity (MW) Total renewable electricity generated by this facility in the reporting year (MWh) 252.8 Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 101 Renewable electricity directly consumed by your organization from this facility in the reporting year for which certificates were not issued (MWh) 0 Renewable electricity directly consumed by your organization from this facility in the reporting year for which certificates were issued and retired (MWh) 252.8 Renewable electricity sold to the grid in the reporting year (MWh) 0 Certificates issued for the renewable electricity that was sold to the grid (MWh) 0 Certificates issued and retired for self-consumption for the renewable electricity that was sold to the grid (MWh) 0 Type of energy attribute certificate GO Total self-generation counted towards RE100 target (MWh) [Auto-calculated] 252.8 Comment Country/area of generation Belgium Renewable electricity technology type Wind Facility capacity (MW) Total renewable electricity generated by this facility in the reporting year (MWh) 2,399.5 Renewable electricity directly consumed by your organization from this facility in the reporting year for which certificates were not issued (MWh) 0 Avient CDP Climate Change Questionnaire 2022 Friday, July 29, 2022 102 Renewable electricity directly consumed by your organization from this facility in the reporting year for which certificates were issued and retired (MWh) 2,399.5 Renewable electricity sold to the grid in the reporting year (MWh) 0 Certificates issued for the renewable electricity that was sold to the grid (MWh) 0 Certificates issued and retired for self-consumption for the renewable electricity that was sold to the grid (MWh) 0 Type of energy attribute certificate GO Total self-generation counted towards RE100 target (MWh) [Auto-calculated] 2,399.5 Comment C8.2k (C8.2k) Describe how your organization’s renewable electricity sourcing strategy directly or indirectly contributes to bringing new capacity into the grid in the countries/areas in which you operate.

Global Compact & fulfilled Communication of Progress (COP) requirements • New Sustainability Strategy overview page including our 2022 AIP ESG metrics • New ESG Performance page with ESG ratings, awards, and certifications • Increased disclosures on carbon emissions, including disclosure of Climate Change Scenario Analysis • Added new Product Stewardship and Chemical Management policies • Enhanced data reporting for Workforce Demographics • Improved social disclosures on human rights, dependent care and special leave and strategic training management 2021 SUSTAINABILITY REPORT Launching integrated sustainability website in parallel with report Aligned with leading reporting frameworks 6 Released July 2022 ESG RATINGS PERFORMANCE ESG AWARDS AND CERTIFICATIONS ESG PERFORMANCE & AWARDS 84th 3 1 2 7 T RAN S FO R MAT IO NAL OVE RV IE W Avient Protective Dyneema ® RECENT TRANSACTIONS Acquired Divested $1.45 B $0.95 B 9 Distribution UPDATED CAPITAL STRUCTURE & LIQUIDITY • Proceeds from completed sale of Distribution used to pay near-term maturing debt to strengthen balance sheet • Fixed/floating debt ratio of ~55/45 • Proven track record of deleveraging following major acquisitions through strong free cash flow generation • 2022 pro forma net debt/adjusted EBITDA expected to be 3.1x $725 $725 $575 $500 $600 $525 $650 $650 $600 Capital Structure Cas h $544 Undr awn Rev olve r $250 Liquidity $3.15B $2.40B 2030 Notes 2029 Term Loan 2026 Term Loan 2025 Notes 2023 Notes After Dyneema Acquisition After Distribution Divestiture $794M (1) $250M reflects estimated undrawn revolver following the divestiture of Distribution 10 PREVIOUS TRANSACTIONS Performance Solutions Products & $0.8 B COLOR $1.4 B Acquired (2020)Divested (2019) 11 • Acquisition of Clariant Color business significantly expanded presence in healthcare, packaging and consumer end markets • Strength of portfolio – double-digit annual EBITDA growth since acquisition • $75 million of realized synergies anticipated in 2022 • Acquisition completed on July 1, 2020 for $1.45 billion.

Seller warrants good and clear title in goods subject to the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis or a Certificate of Compliance, if either such document exists, and other specifications signed by Seller (“Specifications”).