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.

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.

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.