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. 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 - Suzhou, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne Management (Shanghai) Co., Ltd.

+358 (0)29 509 5000 registry@prh.fi Page: 1 (2) Business ID: 2046676-4 Date and time of creating the document: 01.12.2020 08:37:55 TRANSLATION OF THE EXTRACT FROM THE TRADE REGISTER, ELECTRONIC 01.12.2020 08:37:54 the details in the register Identifiers Name Avient Finland Oy Business ID 2046676-4 Entered in the register 31.03.2007 Company type Limited company Contact details: Postal address Äyritie 8 E 01510 Vantaa Street address Äyritie 8 E 01510 Vantaa Email tina.ahlquist@clariant.com Telephone 0106808500 Fax 0106808509 Name details Name Avient Finland Oy Auxiliary company name Drycolor Registered office Vantaa Share capital Share capital 169.000,00 € Number of shares 1 000 pcs Nominal value of a share 169,00 € Financial period Financial period 01.01 - 31.12 Financial statements The last financial statements submitted 01.01.2019 - 31.12.2019 Representation Page: 2 (2) Business ID: 2046676-4 Statutory representation: Under the law, the Board of Directors represents the company.

Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance MANAGEMENT SYSTEM CERTIFICATE Certificate no.: 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.

MAIA+ N° rapport :223-2023-000066-FR 10898066 0.5 jour Date Début / Fin :04/11/2022 /04/11/2022 PolyOne France - site de Saint Ouen l'Aumône 1 /11 ATTESTATION DE RECONNAISSANCE Attribué à PolyOne France - site de Saint Ouen l'Aumône 14 avenue de l'Eguillette / ZA du Vert Galant 95310 - SAINT OUEN L'AUMONE - FRANCE Bureau Veritas Certification certifie que les prestations de l’entreprise susmentionnée ont été évaluées et jugées conformes aux caractéristiques énoncées dans le décret en vigueur à la date d’édition du présent certificat : Décret n°2021-461 du 16 avril 2021 relatif à la prévention des pertes de granulés de plastiques industriels dans l’environnement Sous réserve du respect des caractéristiques vérifiées, cette attestation est valable jusqu’au : 16/02/2026 Date originale : 17/02/2023 Attestation n°: 223-2023-000066-FR Date : 17/02/2023 Affaire n°: 10898066 Laurent CROGUENNEC - Président Adresse de l’organisme certificateur : Bureau Veritas Certification France Le Triangle de l'Arche - 9 Cours du Triangle - 92937 Paris La Défense Des informations supplémentaires concernant le périmètre de cette attestation ainsi que l'applicabilité des exigences du décret peuvent être obtenues en consultant l'organisme. Pour vérifier la validité de ce certificat, vous pouvez téléphoner au : + 33 (0)1 41 97 00 60

PVC EDGE BANDING MANUFACTURER E X T R U S I O N S H E E T & S T R A P • Meet the diverse coefficient of friction (CoF) requirements across various film structures and compositions for a wide range of • Improve the speed of slip blooming and ensure consistent slip performance post-film production • Preserve excellent optical and mechanical properties • Compliance with food regulations for end packaging in food sealant applications • Achieved the optimal flowability of liquid white and liquid orange, ensuring consistent color through suitable mixing with other colorants • Ensured lot-to-lot consistency with DE value of less than 0.5 • Supported customers in achieving stable and high-quality coloration during their PVC processing ColorMatrix Liquid Color Concentrates KEY REQUIREMENT WHY AVIENT AVIENT SOLUTION FUNCTIONALITY + COMPLIANCE Avient Corporation 1 • Meet the diverse coefficient of friction (CoF) requirements across various film structures and compositions for a wide range of • Improve the speed of slip blooming and ensure consistent slip performance post-film production • Preserve excellent optical and mechanical properties • Compliance with food regulations for end packaging in food sealant applications KEY REQUIREMENT • Standard colorant for internal color matching in PVC sheet • Manufactured with phthalate-free plasticizer • Good thermal stability and compatibility with PVC resin for a wide rang of color index choices • Compliance with heavy metal-free and RoHS regulations LIQUID COLOR CONCENTRATES AND DOSING | AVIENTLEARN MORE KEY REQUIREMENTS Copyright © 2025, Avient Corporation. Slide 1: Pvc edge banding Manufacturer

U-PVC PIPE & FITTING PRODUCER P I P E & F I T T I N G • Meet the diverse coefficient of friction (CoF) requirements across various film structures and compositions for a wide range of applications • Improve the speed of slip blooming and ensure consistent slip performance post-film production • Preserve excellent optical and mechanical properties • Compliance with food regulations for end packaging in food sealant applications • Improved the customer’s workplace environment by installing a new tote liquid supply system • Enhanced color consistency and reduced production wastage from pigment speck and streak issues • Complied with strict regulatory controls for potable pipe requirements ColorMatrix Liquid Color Concentrates KEY REQUIREMENT WHY AVIENT AVIENT SOLUTION PRODUCTIVITY + COMPLIANCE Avient Corporation 1 • Meet the diverse coefficient of friction (CoF) requirements across various film structures and compositions for a wide range of applications • Improve the speed of slip blooming and ensure consistent slip performance post-film production • Preserve excellent optical and mechanical properties • Compliance with food regulations for end packaging in food sealant applications KEY REQUIREMENT • Standard colorant to apply for internal color matching in PVC sheet applications • Phthalate free plasticizer class as hazardous healthy control requirement • Good thermal stability and compatibility in PVC resin of color index choices • Compliance with Heavy metal free and RoHS regulation KEY REQUIREMENT• Support the mass production capacity of white pipe extrusion • Reduces particulates from TiO2 bulk pigment use in the workplace • Ensure excellent pigment dispersion to meet mechanical pipe properties over an extensive useful life • Compliance with NSF and UL regulations for end application requirements in the building and construction industry LIQUID COLOR CONCENTRATES AND DOSING | AVIENTLEARN MORE KEY REQUIREMENTS Copyright © 2025, Avient Corporation. Slide 1: U-Pvc pipe & fitting Producer

VERSAFLEX™ PF Capa de adherencia Versaflex™ PF para películas de protección de superficies BOLETÍN TÉCNICO Propiedades Versaflex PF MD6727 Versaflex PF MD6741 Versaflex PF MD6649 Versaflex PF 9512 Versaflex PF MD6666 Versaflex PF MD6748 Versaflex PF MD6700 Características Baja adherencia Baja adherencia; se utiliza para ajustar el revestimiento con MD6700 Baja-media adherencia Oferta de valor Adherencia media Bajo contenido de gel/residuos Construcción de baja adherencia Alta adherencia Resistencia al desprendimiento Baja Baja-media Media Media-Alta Media-Alta Alta Alta Aplicaciones Películas ópticas Electrodomésticos Plásticos Construcción / Metales sin recubrimiento Metales acabados Acero/Metales pintados Metales sin recubrimiento MFR a 190 °C/2,16 kg -- 4,5 17 5,4 21 4,8 6,5 MFRa@ 230 °C/2,16 kg 10 20 -- -- -- -- -- Gravedad específica, g/cc 0,92 0,91 0,92 0,92 0,94 0,94 0,94 Dureza, Límite A 50 49 37 38 37 31 30 G' a 23 °C, Pa 28,0 x 105 10,4 x 106 8,3 x 105 -- 9,9 x 105 11,8 x 105 10,0 x 105 Tg DMA, °C -29 -30 -9 10 11 15 21 Película LDPE/Versaflex PF1 Desprendimiento de 180°, N/25 mm Acero inoxidable después de 20 minutos a 25 °C 0,5 2,2 3,2 6,1 6,7 8,5 8,6 después de 7 días a 25 °C 0,6 2,7 4,3 5,5 8,2 8,3 10,3 PMMA2 después de 20 minutos a 25 °C 1,1 1,7 3,8 4,9 6,9 8,3 8,8 después de 20 minutos a 75 °C 2,8 4,1 5,1 6,9 9,0 10,7 11,8 después de 7 días a 75 °C 4,0 4,4 5,9 9,8 8,4 9,8 10,3 Policarbonato3 después de 20 minutos a 25 °C 1,4 2,2 3,8 6,8 6,3 8,4 7,0 después de 20 minutos a 75 °C 3,4 4,8 6,7 8,8 8,8 10,0 11,8 después de 7 días a 75 °C 4,6 6,5 7,5 10,6 11,6 10,6 13,8 1 Grosor de la película: LDPE de 51 micras/Versaflex PF de 25 micras. 2 Arkema Plexiglas™ V052-100 (Plexiglas es una marca comercial de Arkema France Corp). 3 Sabic Lexan™ L52-111 (Lexan es una marca comercial de Sabic Innovative Plastics). Electrodomésticos. • Construcción y materiales de construcción. • Mobiliario y gabinetes. • Automoción y otros medios de transporte. 100/0 90/10 80/20 70/30 60/40 40/60 30/70 20/80 10/90 0/100 0,9 1,1 2,0 2,4 2,8 3,7 3,8 4,9 0 1 2 3 4 6 7 8 6,5 1,6 MD6727 MD6748 MD6700 MD6666 9512 MD6649 MD6741 0 2 4 6 8 10 12 % de MD6741/MD6700 El grado de adherencia puede personalizarse para superficies de sustrato.

1 How to manage Purchase Orders through the Coupa Supplier Portal (CSP) Suppliers Guide For Avient Suppliers The Coupa Supplier Portal (CSP) is a no-cost tool for suppliers that makes working with your clients, such as Avient, easier and smoother. With a custom view you can create a set of advanced search filters. 1.

Modern Slavery Template Statement (HEPA) Page 1 of 3 ColorMatrix Europe Limited - Modern Slavery and Human Trafficking Statement This statement has been published in accordance with section 54(1) of the Modern Slavery Act 2015 and constitutes the modern slavery and human trafficking statement of ColorMatrix Europe Limited (“ColorMatrix”) and covers the 2023 financial year.

KEY PROPERTIES AND PERFORMANCE FR GRADES H GRADES PEEK GRADES LCP GRADES FLEX GRADES PROPERTIES CONDITION ISO UNIT PPE400FR PPE700FR PPE950FR PPE1200FR H1500HF H2300HF PEEK700 PEEK900 PEEK1000 PEEK1200 LCP650 LCP800 LCP950 FLX400 FLX700 FLX1100 Dielectric Constant (Dk) 2.4 GHz 4.0 7.0 9.5 12.0 15.0 23.0 7.0 9.0 10.0 12.0 6.5 8.0 9.5 4.0 7.0 11.0 Loss Tangent (Df) 2.4 GHz 0.0030 0.0039 0.0042 0.0045 0.0010 0.0037 0.0024 0.0025 0.0024 0.0027 0.0043 0.0045 0.0047 0.0010 0.0009 0.0012 Density 1183 g/cm3 1.44 1.97 2.20 2.50 2.60 3.40 1.94 2.20 2.30 2.40 2.00 2.15 2.30 1.52 1.93 2.50 Melt Flow Index (MFI) 5 kg, 300 °C (unless noted) 1113 g/10 min 17 12 13 5 5 8 15 @ 380 °C 13 @ 380 °C 10 @ 380 °C 6 - - - 11 @ 230 °C 2 @ 230 °C 0.3 @ 230 °C Tensile Strength at Break 23 °C/73 °F 527 MPa 47 52 44 45 23 40 64 62 65 67 75 80 75 11 17 25 Flexural Modulus 23 °C/73 °F 178 MPa 3100 4500 - 9300 2100 5000 6200 7600 9200 11000 8000 8500 8500 1400 1600 2900 Unnotched Izod 23 °C/73 °F 180 kJ/m2 NB 42 20 9 17 10 28 25 18 15 31 20 12 NB NB NB -20 °C/-4 °F 180 kJ/m2 - - - - 17 10 - - - - - - - - - Notched Izod 23 °C/73 °F 180 kJ/m2 14 6 4 3 5 4 6 4 4 4 10 6 4 59 23 13 -20 °C/-4 °F 180 kJ/m2 - - - - 5 4 - - - - - - - - - - STANDARD GRADES RADOME GRADES PROPERTIES CONDITION ISO UNIT PPE260 PPE300 PPE320 PPE350 PPE400 PPE440 PPE500 PPE650 PPE800 PPE950 PPE1200 RS260 RB260 RS265FR Dielectric Constant (Dk) 2.4 GHz 2.6 3.0 3.2 3.5 4.0 4.4 5.0 6.5 8.0 9.5 12.0 2.6 2.6 2.7 Loss Tangent (Df) 2.4 GHz 0.0009 0.0009 0.0010 0.0009 0.0009 0.0009 0.0009 0.0009 0.0009 0.0009 0.0010 0.0009 0.0012 0.0032 Density 1183 g/cm3 1.07 1.18 1.21 1.27 1.43 1.50 1.62 1.86 2.10 2.20 2.40 1.06 1.08 1.09 Melt Flow Index (MFI) 5 kg, 300 °C 1113 g/10 min 15 15 16 14 14 14 15 11 10 4 2 21 16 25 Tensile Strength at Break 23 °C/73 °F 527 MPa 40 45 47 50 50 48 45 43 37 37 36 50 42 52 Flexural Modulus 23 °C/73 °F 178 MPa 2700 2400 2000 2600 2800 2700 2600 2600 2300 2600 2600 2200 2200 2600 Unnotched Izod 23 °C/73 °F 180 kJ/m2 NB NB NB NB NB NB NB NB 50 28 24 NB NB NB -20 °C/-4 °F 180 kJ/m2 NB NB NB NB NB NB NB 50 47 27 25 NB NB NB Notched Izod 23 °C/73 °F 180 kJ/m2 8 55 69 35 22 20 15 9 8 5 4 19 14 11 -20 °C/-4 °F 180 kJ/m2 8 15 20 14 12 10 9 8 8 5 4 10 12 10 PREPERM™ SERIES PROPERTIES CONDITION ISO UNIT 8027 8025 8037 8019 8028 8026 8044 8029 8041 8045 8048 8036 8056 8031 Dielectric Constant (Dk) 1 GHz, 23 °C 3.0 3.1 3.4 3.6 3.8 4.4 4.8 5.3 5.4 5.9 6.0 7.0 7.3 9.0 Loss Tangent (Df) 1 GHz, 23 °C 0.0012 0.0012 0.0008 0.0010 0.0010 0.0010 0.0004 0.0008 0.0006 0.0002 0.0006 0.0007 0.0002 0.0007 Density 1183 g/cm3 1.25 1.26 1.35 1.39 1.45 1.59 1.72 1.75 1.79 1.89 1.88 2.06 2.086 2.25 Melt Flow Index (MFI) 5 kg, 300 °C 1113 g/10 min 16 19 10 11 15 13 10 10 15 15 19 10 18 4.7 Tensile Strength at Break 23 °C/73 °F 527 MPa 59 54 54 62 59 54 52 58 52 45 49 45 37 38 Flexural Modulus 23 °C/73 °F 178 MPa 2780 2560 2850 3060 3350 3700 3157 4300 4320 3137 4150 3370 2560 4200 Notched Izod 23 °C/73 °F 180 kJ/m2 15.3 14 14.8 14 12.6 10.4 9.9 8.6 7.4 7.9 6.6 7.1 6.2 6.8 EDGETEK™ 7600 SERIES Copyright © 2021, Avient Corporation.