No. 0562.01) 11/30/2023 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION 733 East Water Street North Baltimore, OH 45872 Claire Holman Phone: (419) 257-1327 MECHANICAL Valid To: October 31, 2025 Certificate Number: 0562.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following automotive plastics tests: Test Method: Test Name: ASTM D412 Tensile ASTM D523 Specular Gloss ASTM D618 (A) Conditioning of Plastics ASTM D624 (Die C) Tear Strength ASTM D638 Tensile Properties ASTM D792 (A) Density and Specific Gravity by Displacement ASTM D1004 Initial Tear Resistance ASTM D1203 (A) Volatile Loss ASTM D1895 (A) Apparent Density, Bulk Factor, Pourability ASTM D1921 Particle Size (Sieve Analysis) ASTM D2240 Durometer Hardness (Shore A and D) ASTM E1331 Color by Spectrophotometry Using Hemispherical Geometry FMVSS 571.302 Flammability FORD BN-102-01 (A) Low Temperature Flexibility FORD BO-131-03 Interior Odor ISO 3795 Determination of Burning Behavior of Interior Materials SAE J323 (A) Cold Cracking (Mandrel Bend) SAE J1351 Hot Odor for Insulation Materials SAE J1545 Instrumental Color Difference Measurement DOC-058151 Angle of Repose 1 Laboratory Developed Method For the tests to which this accreditation applies, please refer to the laboratory’s Mechanical Scope of Accreditation. Accredited Laboratory A2LA has accredited AVIENT CORPORATION North Baltimore, OH for technical competence in the field of Mechanical Testing This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories.

Este é para certificar que o Sistema de Gestão da Qualidade da: Avient Itupeva - Brasil AVIENT BRASIL LTDA Av.

Página [1] de [3] CEDULA DE IDENTIFICACION FISCAL PMS190904JZ1 Registro Federal de Contribuyentes AVIENT COLORANT SOLUTIONS MX Nombre, denominación o razón social idCIF: 19090104984 VALIDA TU INFORMACIÓN FISCAL CONSTANCIA DE SITUACIÓN FISCAL Lugar y Fecha de Emisión ECATEPEC DE MORELOS , MEXICO A 18 DE MAYO DE 2021 PMS190904JZ1 Datos de Identificación del Contribuyente: RFC: PMS190904JZ1 Denominación/Razón Social: AVIENT COLORANT SOLUTIONS MX Régimen Capital: SOCIEDAD DE RESPONSABILIDAD LIMITADA DE CAPITAL VARIABLE Nombre Comercial: AVIENT COLORANT SOLUTIONS MX Fecha inicio de operaciones: 04 DE SEPTIEMBRE DE 2019 Estatus en el padrón: ACTIVO Fecha de último cambio de estado: 04 DE SEPTIEMBRE DE 2019 Datos de Ubicación: Código Postal:55540 Tipo de Vialidad: CALLE Nombre de Vialidad: PLASTICOS Número Exterior: 28 Número Interior:B-102 Nombre de la Colonia: SANTA CLARA COATITLA Nombre de la Localidad: Nombre del Municipio o Demarcación Territorial: ECATEPEC DE MORELOS Nombre de la Entidad Federativa: MEXICO Entre Calle: CANAL DE RISCO Y Calle: AVENIDA VIA MORELOS Correo Electrónico: caio.zuccarelli@clariant.com Tel.

Avient offers solutions that can help you meet the demands for the vehicles of today, and tomorrow.

Handelsregisteramt des Kantons Basel-Landschaft BASEL LANDSCHAFT lpt Firmennummer cHE-112.279.714 Rechtsnatur Gesellschaft mit beschränkter Haft ung Eintragung 18.03.2005 Löschung Ubertrag CH-280.3.008.468-3 von: CH-280.3.008.468-3/a auf: 1 lllllililililIil ilril il Alle Eintragungen Ei Lö Firma Rel Sitz 1 1 2 2 2 2 elarian*ebsties feoatings-AG @ Avient Switzerland GmbH (Avient Switzerland LLC) 1 Muttenz Ref Stammkap. I SHAB Arlesheim, 04.1 2.2O2O 07 :34 Fortsetzung auf der folgenden Seite Handelsregisteramt des Kantons Basel-Landschaft BASEL LANDSCHAFT Jlt cHE-112.279.714 Avient Switzerland GmbH Muttenz 2 Alle Eintragungen Ref TR-Nr TR-Datum SHAB SHAB-Dat.

Number: BC1228188 CERTIFICATE OF CHANGE OF NAME BUSINESS CORPORATIONS ACT I Hereby Certify that POLYONE CANADA ULC changed its name to AVIENT CANADA ULC on January 15, 2021 at 12:13 PM Pacific Time.

PolyOne’s industry-leading portfolio of engineered composite panels offers a solution to these challenges. Processing conditions can cause material properties to shift from the values stated in the information. They are ideal for watercraft of any size, from powerboats and sailing yachts to ferries and fishing boats.

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ABS Quality Evaluations This is to certify that the Environmental Management System of: Avient Corporation Avient Corporation HQ 33587 Walker Road Avon Lake, OH 44012 U.S.A. All rights reserved. 65537Certificate No: Facility: Avient Corporation - Lomagna, Italy Via Piave 12 23871, Lomagna, Lecco Italy Facility: Avient Corporation - Lomas de Zamora, Argentina AV . Facility: Avient Corporation - McHenry, IL 921 Ridgeview Drive McHenry, IL 60050 U.S.A.

ABS Quality Evaluations This is to confirm that the Environmental, Health, Safety and Security Management System of: Avient Corporation Avient Corporation HQ 33587 Walker Road Avon Lake, OH 44012 U.S.A. All rights reserved. 65536Certificate No: Facility: Avient Corporation - Lomagna, Italy Via Piave 12 23871, Lomagna, Lecco Italy Facility: Avient Corporation - Lomas de Zamora, Argentina AV . Facility: Avient Corporation - McHenry, IL 921 Ridgeview Drive McHenry, IL 60050 U.S.A.