SPECIALTY INKS OVERVIEW PolyOne Specialty Inks is a leading global manufacturer of screen printing inks for the textile industry and of specialty inks for industrial applications. PolyOne makes no warranties or guarantees respecting suitability of either PolyOne’s products or the information for your process or end-use application. POLYONE MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

TEL:+31(0)102922689. www.dnvgl.com/assurance Certificate No: 7071-1998-AQ-RGC-RvA Initial certification date: 28 April, 1998 Valid: 29 March, 2021 – 29 March, 2024 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. TEL:+31(0)102922689. www.dnvgl.com/assurance Page 2 of 2 Appendix to Certificate PolyOne-Shanghai, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne Polymer (Tianjin) Company Limited No.28#C, Jin Bin Hi-Tech Industrial Park, 156 Nan Hai Road, Tianjin Economic-Technological, Tianjin, China, 300457 Manufacture of Masterbatch PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.

7071-1998-AQ-RGC-RvA Initial certification date: 28 April 1998 Valid: 30 March 2024 – 29 March 2027 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. ACCREDITED UNIT: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance Page 2 of 2 Appendix to Certificate PolyOne-Shanghai, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne Polymer (Tianjin) Company Limited No. 28#C, Jin Bin Hi-Tech Industrial Park, No. 156, Nan Hai Road, Tianjin Economic- Technological Development Area, Tianjin, China 300457 Manufacture of Colour and Additive Concentrates PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.

IATF 16949:2016 The Quality Management System is applicable to: Certificate No: 58976 Effective Date: 08 February 2019 Expiration Date: 09 August 2022 Revision Date: 17 November 2020 IATF No: 0349837 Dominic Townsend, President DESIGN AND MANUFACTURE OF THERMOPLASTIC COMPOUNDS (WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) Certificate Of Conformance has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: Page 2 of 2 ABS Quality Evaluations Avient Corporation IATF 16949:2016 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation.

BASE RESIN ABS Drying Temperature 80–90°C Drying Time 2–3 Hours Barrel Temperatures °C Rear Zone 180–210 Center Zone 190–220 Front Zone 200–230 Nozzle 210–240 Mold Temperature 50–80 Screw Speed Moderate Back Pressure 3–10 bar Cushion 5–15 mm Injection Speed Low to medium Injection Pressure Moderate to high Holding Pressure 10–30% of injection pressure Screw Type General purpose Screw L/D 20:1 Screw Compression Ratio 2.0:1–2.5:1 Non-return Check Valve Free flow check ring Nozzle Type Reverse taper Barrel Capacity 30–80% of barrel should be used STARTUP & SHUTDOWN RECOMMENDATIONS Purge Compound 2–3 melt flow PP or purging compound.

VALVE-GATED TOOLS IN INJECTION MOLDING GUIDELINES CESA CLEAN ADDITIVES ™ KEY FEATURES Cesa™ Clean Additives • Cesa Clean is a concentrated purge product, not a purge compound. • It can be processed through manifolds, valve-gated tools and small sub gates. • Cesa Clean is 100% recyclable with polyolefin resins and compounds.

INDUSTRY BULLETIN DISPERSIONS IN HEALTHCARE TECHNOLOGY DESCRIPTION TYPICAL APPLICATIONS Silicone Colorant Dispersions Biocompatible, conformable silicone rubber colorants that deliver lightfastness and aesthetic appeal • 3D medical silicone printing • Anatomical models and surgical guides • External prosthetics and orthotics • Medical ventilation/respiratory masks • Dental and medical tools and equipment Silicone Additive Dispersions Silicone additive solutions formulated to provide chemical resistance, durability, and enhanced physical properties Rubber Colorant Dispersions Durable rubber colorants formulated for optimal dispersion and lot-to-lot consistency to promote ease of handling • Medical devices and tools • Vibration and shock control for medical equipment • Drug delivery devices Urethane Colorant Dispersions Versatile urethane colorants that streamline production and enhance quality • Foam enclosures/support for medical tools and equipment • Medical and surgical devices • Physical therapy tools Epoxy Colorant Dispersions Long-lasting, hygienic epoxy colorants that provide high-cost efficiency, stability, and customization opportunities • Healthcare facility floor coatings Vinyl Colorant Dispersions Vinyl colorants developed for applications where dispersion, uniformity, compatibility, and cleanliness are essential • Medical equipment Aqueous Additive Formulations Functional additives stabilized, suspended, and dispersed in water that shorten development cycles, streamline operations, and can be customized to meet specific requirements • Medical gloves • Wound care Electrically Conductive Additives for Silicone Innovative silicone additives to provide high conductivity and lower filler loadings • Neurostimulation electrode pads • Medical tools and equipment Laser Marking Additives for Silicone Dispersions containing laser absorbers and color formers that eliminate the need for secondary etching while promoting chemical resistance, mechanical property retention, and production efficiency • 3D medical silicone printing • Anatomical models and surgical guides • External prosthetics and orthotics • Medical ventilation/respiratory masks • Medical devices Surface Modification Additives for Silicone Non-oil based silicone additives that reduce tackiness and enhance smoothness of the cured compound • Dental tools and equipment • Medical devices, tools, and equipment Self-Bonding Silicone Silicone compounds able to bond to various substrates without prime coating • Medical tools and equipment This listing represents standard Avient dispersion technologies and addresses common healthcare applications, but we can work with you to explore additional options.

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 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 Page 1 of 4 ISO 9001:2015 Certificate Of Conformance ANNEX Certificate No.: 65799 Avient Corporation At the below facilities 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.

This product group includes hydrazides and azo compounds. Furthermore, azo compounds are characterized by a yellow color, which can lead to undesired color changes. Endothermic CFAs are based on bicarbonate and citric acid derivate compounds.

İNTERNET SİTESİ İÇERİĞİ POLYONE TEKNO POLİMER MÜHENDİSLİK PLASTİKLERİ SANAYİ VE TİCARET ANONİM ŞİRKETİ Şirket Bilgileri (Yönlendirilmiş Mesaj) No İçerik Detay 1 Ticaret Unvanı Polyone Tekno Polimer Mühendislik Plastikleri Sanayi ve Ticaret Anonim Şirketi 2 MERSİS Numarası 0836003561100014 3 Merkezi Orhan Gazi Mah.1683 Sk. No.150 Şişli/İstanbul 1 WEBSITE CONTENT POLYONE TEKNO POLİMER MÜHENDİSLİK PLASTİKLERİ SANAYİ VE TİCARET ANONİM ŞİRKETİ Content to be published permanently * Please note that in case of any changes to the following content, the update shall be published on the websites on the date such changes occur. No Content Detail 1 MERSIS number of the Company 0836003561100014 2 Title of the Company Polyone Tekno Polimer Mühendislik Plastikleri Sanayi ve Ticaret Anonim Şirketi 3 Registered office of the Company Orhan Gazi Mah.1683 Sk.