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Avient Design Sync design with manufacturability: Learn about how Avient Design can help simplify your new product development process It's also vital to us at Avient.

No. 0962.01) 09/05/2023 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION 80 North West Street Norwalk, OH 44857 Craig Polta Phone: 419 660 4278 MECHANICAL Valid To: September 30, 2025 Certificate Number: 0962.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following tests on plastics: Test Method(s) Test Name ASTM D256; ISO 180 Notched Izod ISO 179 (1eA) Determination of Charpy Impact ASTM D523 Gloss ASTM D618 (Method A) Conditioning of Test Specimens ASTM D792 (Method A) Specific Gravity ASTM D1238 (Method B) Melt Flow Rate ASTM D3012 Thermal Oxidative Stability ASTM D3641 Injection Molding Test Specimens FMVSS 302 Flammability ASTM E1331; SAE J1545 Spectrophotometric Color Difference SAE J1885 (Rev. Accredited Laboratory A2LA has accredited AVIENT CORPORATION Norwalk, 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.

HYPE helps build a collaborative network of Avient’s young professionals, eager to innovate and impact our company. HYPE also expanded to LATAM this year to further connect Avient’s network of young professionals across the globe. Sustainability education, safety reminders and Avient overviews

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

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

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.

At Avient, we maintain a strong commitment to sustainability, by conducting business in a way that puts the safety of our employees and needs of our customers first, while enabling a sustainable world. Further, based on assessment of global risk and in an effort to sustain a culture of excellence, we select certain specific countries or functional groups within Avient for focused training or audits. The Hotline is available to anyone within or outside Avient to allow access to report questions or concerns directly to Avient’s Ethics & Compliance team.

At Avient, our proven ability to innovate materials that enable our customers’ sustainability goals remains a key differentiator for our company. Avient offers a broad portfolio of technologies that help our customers—and our planet—be more sustainable. From lightweighting to renewable energy applications to improved recyclability, Avient has a robust portfolio of sustainable solutions.

As we celebrate these achievements, Avient remains committed to continuously improving the employee experience. Avient was again named one of America’s Most Responsible Companies by Newsweek and Statista and a Barron’s 100 Most Sustainable Companies in 2024. They are significant milestones in Avient’s cultural journey and demonstrate our commitment to positively impacting our people and all our stakeholders.