Ltd Business Registration Number: 91320505799067336K Registered/ Operation Address: 13 Plant, No.855, Zhujiang Road, Suzhou New District, Jiangsu Province, China by reason of its Environmental Management System has been awarded this certificate for compliance with the standard ISO 14001:2015 The Environmental Management System Applies in the following area: Production and Related Management Activities of Plastic Colorant & Additive (UV Blockers, Anti-Aging,Anti-Oxidation) Certified since: June 6, 2012 Valid from: January 17, 2024 Valid until: January 7, 2027 the expiry date of last certification cycle: January 7, 2024 the date ofrecertification audit: December 21, 2023 to December 22, 2023 After a surveillance cycle, the certificate is valid only when used together with an Acceptance Notice of Surveillance Audit issued by CQC.

Certificate Magna Colours Limited Certificate Of Conformance This is to certify that the Quality Management System of: Magna Colours Limited Unit 3 Dodworth Business Park, Dodworth Barnsley South Yorkshire S75 3SP United Kingdom has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: ISO 9001:2015 The Quality Management System is applicable to: The Provision of a Service Of Sourcing, Procuring, Design, Manufacturing and Distribution of Specialty Colouration Products and Chemical Auxiliaries for use the Textile, Dying, Printing and Finishing Industries.

主要特性 在四个通过ISO 13485认证的医疗生产线生 产，拥有全球统一的配方，提供一致性和供 应链保障 变更控制记录的不限于CAS编号级别，降低变 更风险 不含动物源性物质和邻苯二甲酸盐 不同的琥珀色色调，可根据要求定制—偏红色 或偏黄色，和/或颜色浅或深 适用于液体形式 • • • • • 法规支持 经过预测试的原材料： - ISO 10993-1和USP第、 部分（VI级） - 欧洲药典，，美国药典， 元素分析符合ICH Q3D - USP 溶液性状、颜色标准 FDA发布的注册药品主文件（III类） 食品接触符合FDA/EU*要求 符合YBB00102002-2015 (口服液体药用聚酯 瓶）标准 • • • • 1.844.4AVIENT www.avient.com 适用医疗保健使用限制—见下文。

Certificate Avient Corporation A B S Q u al ity E va lu at io n s C er tif ic at io n E Certificate Of Conformance This is to certify that the Quality Management System of: Avient Corporation 33587 Walker Road, Building 428 Avon Lake OH 44012 United States has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: ISO 9001:2015 The Quality Management System is applicable to: Manufacture of plastic compounds, color and performance additives, engineered thermoplastics, vinyl resins, custom mixed plastic materials, custom and commodity colorants for plastics, polyurethane systems, and plasticizers with design and sampling support at Suwanee, GA, and purchasing, customer service, logistics, quality, design and sampling support at PolyOne Corporate Headquarters at Avon Lake, OH, and distribution of resins Certificate No: 31307 Certification Date: 12 OCT 1995 Effective Date: 11 JUL 2024 Expiration Date 07 OCT 2025 Revision Date: 17 JUL 2024 Dominic Townsend, President Copyright as of the Effective Date, ABS Quality Evaluations, Inc. Page 1 of 4 https://abs.ez2xs.com https://abs.ez2xs.com A B S Q u al ity E va lu at io n s C er tif ic at io n E ISO 9001:2015 Certificate Of Conformance ANNEX Certificate No.: 31307 Avient Corporation At the below facilities FACILITY NAME FACILITY ACTIVITY ADDRESS Avient - Birmingham Manufacturing The Manufacture of Pultruded and Filament wound components Pultrusion and CRTM 3943, Valley East Industrial Drive, Buildings 1,2,3,4 Birmingham - AL 35217 United States Avient - Birmingham Manufacturing The Manufacture of Pultruded and Filament wound components Pultrusion and Filament Wound Tubing 3968, Valley East Industrial Drive, Building 5 Birmingham - AL 35217 United States Avient - Birmingham Manufacturing The Manufacture of Pultruded and Filament wound components Pultrusion 3950, Valley East Industrial Drive, Building 6 Birmingham - AL 3517 United States Avient Corporation Management of QMS.

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.

Polymer Diagnostics Inc. 33587 Walker Road Avon Lake, Ohio 44012 United States +1 800 438 2335 +1 440 930 1644 fax Polymer Diagnostics Inc. is a contract laboratory with accreditation to ISO/IEC 17025 by the American Association for Laboratory Accreditation (A2LA) for both chemical and mechanical capacities. 17.2 8 .25 in 8 .5 in 17 C M Y K HC_Industry bulletin_PDI_fi nal.indd REMAY 78810 TR: 16.5000" x 11.6875" and 17.000" x 11.000" Digital/IAM BL: 17.2500" x 11.9375" FINAL: 8.2500" x 11.6875" and 8.500" x 11.000" 11.6875 in 25 in 11.9375 in 8 .25 in 8 .5 in 11 in i n Asset No. 78810 Polymer Diagnostics Inc. is a wholly-owned subsidiary of PolyOne Corporation. Polymer Diagnostics Inc. 33587 Walker Road Avon Lake, Ohio 44012 United States +1 800 438 2335 +1 440 930 1644 fax Polymer Diagnostics Inc. is a contract laboratory with accreditation to ISO/IEC 17025 by the American Association for Laboratory Accreditation (A2LA) for both chemical and mechanical capacities. 17.2 8 .25 in 8 .5 in 17 C M Y K HC_Industry bulletin_PDI_fi nal.indd REMAY 78810 TR: 16.5000" x 11.6875" and 17.000" x 11.000" Digital/IAM BL: 17.2500" x 11.9375" FINAL: 8.2500" x 11.6875" and 8.500" x 11.000" 11.6875 in 25 in 11.9375 in 8 .25 in 8 .5 in 11 in i n Asset No. 78810

Certificate Avient Corporation Certificate Of Conformance This is to certify that the Quality Management System of: Avient Corporation 33587 Walker Road Avon Lake OH 44012 United States has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: ISO 9001:2015 The Quality Management System is applicable to: Design and manufacture of colour and additive concentrates, thermoplastic resins and specialty compounds Certificate No: 65799 Certification Date: 01 OCT 2020 Effective Date: 25 SEP 2023 Expiration Date 30 SEP 2026 Revision Date: 06 DEC 2024 Dominic Townsend, President Copyright as of the Effective Date, ABS Quality Evaluations, Inc. Page 1 of 4 https://abs.ez2xs.com https://abs.ez2xs.com ISO 9001:2015 Certificate Of Conformance ANNEX Certificate No.: 65799 Avient Corporation At the below facilities FACILITY NAME FACILITY ACTIVITY ADDRESS Avient Corporation - Avon Lake, OH Management of QMS, Design and manufacture of colour and additive concentrates, thermoplastic resins and specialty compounds 33587 Walker Road Avon Lake OH 44012 United States Avient (Argentina) SA Administration, Site management, Manufacture, Laboratory (QC and Colormatching), Procurement, Maintenance, Infrastructure, Warehouse and Transport, Sales Av.

Composite panels for modular ISO shelters, transport containers and pallets TRANSPORTATION Rail car doors, floors and body panels, shipping containers, tractor trailer panels, large trucks, trailers, RVs, and mass transit vehicles MARINE Structural bulkheads, transoms, decks/soles, subflooring, and interior walls www.avient.com Copyright © 2020, Avient Corporation.

GLOBAL REGULATORY COMPLIANCE Our regional tech centers around the world offer regulatory support and product stewardship expertise to help you qualify your products BIO-COMPATIBILITY APPLICATIONS Bio-compatible additives and colorants, tested under USP Class VI and ISO 10993, allow your materials to achieve required functional performance while meeting brand and color standards STERILIZATION REQUIREMENTS A standard color range and deliberate formulations provide stability under harsh sterilization methods AUTHENTICATION TECHNOLOGY Protect your brands with our Percept™ anti-counterfeit, security and tracking taggant technologies, or utilize radiopacifiers for placement protection LASER MARKING SOLUTIONS Optimized for color and contrast without diminishing physical property characteristics for branding, inventory management, data coding, or universal device identification PRODUCT & PROCESS OPTIMIZATION Maximize production throughput or eliminate waste with solutions including dimensional stabilization, cycle time reducers, chemical foaming agents, nucleation or hybrid technology ONCOLOR™ HC Colorants designed to be healthcare-friendly.

Using Avient’s Product Carbon Footprint Calculator, which has been third-party certified by TÜV Rhineland to ISO 14067 standard, the new Avient formulations enable a 50% carbon footprint reduction compared to the materials previously used.