No. 0562.01) Revised 05/31/2022 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, 2023 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 SAE J1756 Fogging Characteristics of Interior Automotive Materials (Photometric Only) 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.

Our culture of safety permeates every facet of our operations, building a foundation of trust, integrity, and collective accountability that empowers each employee to act with vigilance every day. As Avient is focused on its ultimate goal of zero recordable injuries and our ongoing desire to integrate safety into all aspects of our operations, we track annual reduction goals measured at the business unit and regional levels. Leading indicators are also tracked to ensure efforts to identify and eliminate risk proactively continue.

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As we produce our materials we recognize and embrace our responsibility to the planet, and we monitor several metrics to track our performance. In doing so, it not only strengthens their business and builds loyalty to Avient, but also multiplies the positive impact on our planet.

Building & Construction - Industry Bulletin Off-Road Vehicle Hood Panel Off-Road Vehicle Structural Body Components

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Learn how to build a FlexCart™ G Electric Vehicle Part Maxxam polyolefin replaces aluminum and reduces weight in electric vehicle part

Building & Construction Building & Construction: Reinforcement of wood products & plywood, structural sandwich panels, window lineals, ceiling tiles, pipe reinforcement  Security & Defense: Ballistic-resistant panels and body armor, vehicle armor 

Building & Construction Building & Construction: Reinforcement of wood products & plywood, structural sandwich panels, window lineals, ceiling tiles, pipe reinforcement  Security & Defense: Ballistic-resistant panels and body armor, vehicle armor 

Building & Construction Building & Construction: Reinforcement of wood products & plywood, structural sandwich panels, window lineals, ceiling tiles, pipe reinforcement  Security & Defense: Ballistic-resistant panels and body armor, vehicle armor