PRODUCT BULLETIN KEY BENEFITS Avient’s antimicrobial concentrates for fiber applications provide the following benefits: • High active-ingredient loading which translates to excellent efficacy at low let-down ratios • Easily withstand 50 washings in ISO 20743 standard tests • Also applicable for bi-component technology • Low levels of abrasiveness means higher process performance—reducing cost in the spinning phase • Can be combined with colors and with other additives (e.g., flame retardants) into a single combination concentrate for convenience • Product guidance and technical assistance from our experts Copyright © 2022, Avient Corporation.

The white ABS plastic samples, produced with and without Cesa Light Additives, were exposed to simulated sunlight conditions using the weathering test ISO 4892- 2:2013.

Whether your application demands can be supported by the NEUSoft Express color palette or require customization, all our NEUSoft TPUs are designed with patient safety and regulatory specifications in mind, complying with ISO 10993 and USP Class VI standards.

ISO 10993 & USP Class VI compliant solutions

Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance Certificate No: 2997-2006-AQ-RGC-RvA Initial certification date: 08 June, 2006 Valid: 11 April, 2022 – 11 April, 2025 This is to certify that the management system of Polyone - Suzhou, China EM Sector, 77 Shenggang Street, Suzhou Industrial Park, Suzhou, Jiangsu, China, 215024 and the sites as mentioned in the appendix accompanying this certificate has been found to conform to the Quality Management System standard: GB/T 19001-2016/ISO 9001:2015 This certificate is valid for the following scope: Design and Manufacture of Plastic Compounding Material Certificate No: 2997-2006-AQ-RGC-RvA Place and date: Shanghai, 27 April, 2022 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.

Certificate Number:Certificate Number: Certificate expiration date:Certificate expiration date: Effective date:Effective date: 31-10-202231-10-2022 30-10-202530-10-2025 Expiry date of previous cycle:Expiry date of previous cycle: 30-10-202230-10-2022 31-10-201631-10-2016 ES133794ES133794 Scope of certification:Scope of certification: MANUFACTURING OF MASTERBATCHES, ADDITIVESMANUFACTURING OF MASTERBATCHES, ADDITIVES AND COMPOUNDS FOR PIGMENTING THERMOPLASTICAND COMPOUNDS FOR PIGMENTING THERMOPLASTIC MATERIALS USED IN FOOD INDUSTRYMATERIALS USED IN FOOD INDUSTRY ISO 22000:2018ISO 22000:2018 POLIGONO INDUSTRIAL EZCABARTE, C/H, Nº3 - 31194 - ORICAIN - NAVARRA - ESPAÑA AVIENT ESPAÑA, S.L.AVIENT ESPAÑA, S.L.

Park, Pudong, Shanghai China, 201203 and the sites as mentioned in the appendix accompanying this certificate has been found to conform to the Quality Management System standard: GB/T 19001-2016/ISO 9001:2015 This certificate is valid for the following scope: Design and Manufacture of Masterbatch Certificate No: 7071-1998-AQ-RGC-RvA Place and date: Shanghai, 19 March, 2021 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.

Ltd Business Registration Number: 91320505799067336K Registered I Operation Address: 13 Plant, No.855, Zhujiang Road, Suzhou New District, Jiangsu Province, China by reason of its Quality Management System has been awarded this certificate for compliance with the standard ISO 9001:2015 The Quality Management System Applies in the following area: Production Activities of Plastic Colorant & Additive (UV Blockers, Anti-Oxidation, Anti-Aging) Certified since: January 8, 2009 Valid from: January 16, 2024 Valid until: January 4, 2027 the expiry date of last certification cycle: January 4, 2024 the date of recertification 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.

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 Avient Corporation A B S Q u al it y E va lu at io n s C er ti fic at io n E Certificate Of ConformanceCertificate Of Conformance This is to certify that the Quality Management System of: Avient CorporationAvient 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 9001:2015ISO 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, PresidentDominic 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 it y E va lu at io n s C er ti fic at io n E ISO 9001:2015ISO 9001:2015 Certificate Of ConformanceCertificate Of Conformance ANNEXANNEX Certificate No.: 31307 Avient CorporationAvient Corporation At the below facilities FACILITYFACILITY NAMENAME FACILITY ACTIVITYFACILITY ACTIVITY ADDRESSADDRESS 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.