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

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.

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.

SER_Report_2021 ACTIVITY GROUP PERFORMANCE Trading, wholesale, distribution, rental & leasing Your company is amongst 19% of companies that reached Leadership level in your Activity Group A sample of A-list companies from your Activity Group: Grupo Logista Hilton Food Group plc Lerøy Seafood Group Samsung C&T Avient received a A- which is in the Leadership band. Leadership (A/A-): Implementing current best practices Management (B/B-): Taking coordinated action on supplier engagement Awareness (C/C-): Knowledge of impacts of supplier engagement Disclosure (D/D-): Transparent about supplier engagement UNDERSTANDING YOUR SCORE REPORT Avient Region North America Country United States of America Questionnaire Chemicals Activity Group Trading, wholesale, distribution, rental & leasing CDP evaluates organizations engagement with their suppliers on climate change.

e-Certificate of registration Swedish Companies Registration Office LIMITED COMPANY D1a- 6064988 Registration number Date of registration of the company Document created on Date of registration of current name Page 556393-1020 1990-04-10 2020-11-30 14:53 2020-11-30 1 (2) Registration number: 556393-1020 Business name: Avient Colorants Sweden AB Address: Box 9053 200 39 MALMÖ Registered office: Malmö Note: The company is registered as a private limited company. ARTICLES OF ASSOCIATION Date of the latest change: 2020-11-02 FINANCIAL YEAR Registered financial year: 0101 - 1231 Latest annual report submitted covers financial period 20190101-20191231 DATE OF REGISTRATION OF CURRENT AND PREVIOUS BUSINESS NAMES 2020-11-30 Avient Colorants Sweden AB 2016-01-19 Clariant Plastics & Coatings (Nordic) AB 2000-08-23 Clariant Masterbatches Norden Aktiebolag 1990-05-22 Drycolor Aktiebolag 1990-04-10 Nya Drycolor Aktiebolag **** The above information is an extract from the Trade and Industry Register Bolagsverket, the Swedish Companies Registration Office **** Bolagsverket 851 81 Sundsvall 0771-670 670 bolagsverket@bolagsverket.se www.bolagsverket.se 2020-11-30T14:53:51+0100 Sweden Bolagsverket Bolagsverket intygar äktheten och integriteten för detta dokument

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.

เคารพเสรี ภาพของลู กค้าของคุณ โดยไม่กําหนดข้อจํากัด ดา้นราคา อาณาเขต ลูกคา้หรอืเรือ่งทั่วไปตอ่ความสามารถของ ลูกคา้ของคณุในการขายตอ่ผลิตภัณฑ์ของ Avient โดยไม่ ไดร้บั อนุญาตจากฝ่ายกฎหมายของ Avient ล่วงหน้า 10. ดําเนิ นการปรกึษากับฝ่ายกฎหมายของ Avient ก่อนเลิกจ้าง ตวัแทน ผู้จําหน่ายหรอืผู้จัดจําหน่าย 12. เวน้แตค่ณุไดร้บัอนุญาตล่วงหน้าจากฝ่ายกฎหมายของ Avient ที่จะทําการตกลงเช่นน้ัน ห้ ามม ิให้พยายามที่จะรบัข้อตกลงจาก ลูกคา้ที่จะซือ้ข้อกําหนดทัง้หมดของผลิตภัณฑ์ที่เฉพาะเจาะจง จาก Avient เท่าน้ัน ซ่ึงจะทําธุรกิจกับ Avient แตผู่้เดยีว หรอืจะ ไม่ซือ้ หรอืมิฉะน้ันจะรบัผลิตภัณฑ์ที่มีการแข่งขัน นอกจากน้ี ห้ามมิ ให้เรยีกรอ้งให้ลูกคา้ซือ้ผลิตภัณฑ์หรอืบรกิารหน่ึงเพื่อเป็น เงือ่นไขในการขายผลิตภัณฑ์หรอืบรกิารอื่นของคณุ โดยไม่ ไดร้บั การอนุญาตจากฝ่ายกฎหมายของ Avient 13.

A sample of A-list companies from your Activity Group: AmorePacific Corporation Beiersdorf AG Borregaard ASA CDP SCORE REPORT - CLIMATE CHANGE 2023 Avient received an A- which is in the Leadership band. Leadership (A/A-): Implementing current best practices Management (B/B-): Taking coordinated action on climate issues Awareness (C/C-): Knowledge of impacts on, and of, climate issues Disclosure (D/D-): Transparent about climate issues UNDERSTANDING YOUR SCORE REPORT ACTIVITY GROUP PERFORMANCE Chemicals A- Your CDP score Average performance B C C Chemicals North America Global Average *Please note that the peer group average scores are compiled with only investor- requested company scores Avient Region North America Country/Area United States of America Questionnaire Chemicals Activity Group Chemicals The CDP Score Report allows companies to understand their score and indicate which categories require attention to reach higher scoring levels.

It should be remembered that customers and suppliers of Avient also may be competitors of Avient Your supervisor or any Avient manager • The Corporate Ethics Officer via email at ethics.officer@avient.com • Avient’s General Counsel via email at legal.officer@avient.com • Any member of the Legal department • The Avient Ethics Hotline Avient Ethics Hotline The Ethics Hotline is available globally in over 20 languages, 24 hours a day, 7 days a week, by phone and through a website. Consult with the Avient Legal Department if you have any questions. 14.