CLEVELAND, June 30, 2021 /PRNewswire/ -- Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, int June 30, 2021

LUXEMBOURG – March 30, 2021 – Avient today announced global expansion of its reSound™ R recycled-content thermoplastic elastomer (TPE) range. March 30, 2021

April 30, 2015 April 30, 2015

CLEVELAND – January 30, 2020 – In its eighth annual trend forecast, Color Inspiration 2021+, PolyOne delivers four carefully considered palettes t January 30, 2020

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: 2025年10月31日 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. Presented this 30th day of November 2023. _______________________ Mr.

SL-BK 2031 SL-BK 2002

9222-BK-80 BK PP COLOR CONCENTRATE

9636-BK-66 BK ABS COLOR CONCETRATE

EDGETEK PK-30CF/000 EM BK Edgetek PK-30GF/000 EM BK

PG 93826.00 PEARL BK PP PG 93827.00 PEARL BK PP