在本准 则中，“Avient 员工”包括 Avient 所有子公司的员工、董事、代理 人、顾问和承包商。 Avient 主管和经理的其他责任 • 发挥榜样作用，为 Avient 的恰当行为确立基调。 Avient 禁止员工在酒精、毒品和其他管制物品的影响下 代表 Avient 开展工作。

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. Senior management believes the measures described above are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

AVIENT RESPONSIBLE CARE POLICY Avient Corporation conducts its operations in a manner that is protective of the environment, and the health, safety and security of associates, customers, and all our stakeholders, including the communities in which we operate. It is the responsibility of every associate at Avient, including contractors, to understand these commitments and support them through their daily actions including conformance with our programs and procedures, making safe decisions and protecting our natural resources. To assist in reaching these commitments, Avient is a proud member of the American Chemistry Council and have committed to their Responsible Care Guiding Principles to guide our efforts in continual improvement.

Phil Clark is Senior Vice President, Chief Technology Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Clark joined Avient in 2024 from Nouryon, a global specialty chemicals organization where he served as Chief Technology Officer. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Sequeira joined Avient in May 2024, bringing nearly 25 years of experience in information technology to this role. Before joining Avient, Mr. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Beggs is Senior Vice President and Chief Financial Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Beggs joined Avient in August 2020 and has more than 20 years of experience in finance and business leadership roles in both public and private organizations with an emphasis on specialty materials and diverse end markets. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

JOHN MIDEA Senior Vice President, Global Operations and Process Improvement John Midea is Senior Vice President, Global Operations and Process Improvement at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Midea joined Avient in February 2015 and leads the company’s award-winning global operational excellence initiatives, including manufacturing process improvement, environmental health and safety, global sourcing and logistics, Lean Six Sigma training and deployment, and acquisition integration. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

SAFETY & HEALTH POLICY Avient Corporation believes that safety and health are the highest corporate priority. Avient strives to be the industry leader in safety and health by setting aggressive goals, measuring performance, and making necessary adjustments. Each Avient associate’s responsibility is to give the highest priority to safety and health, both on and off the job.

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.