Current packaging trends also place sustainability front and center. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications. For more information about Cesa™ Anti-Block Slip LS and how it can enhance your flexible packaging solutions, please contact Avient.

LoC No: 798019/2023 Page 1 of 1 Letter of Conformity Good Manufacturing Practices — Guidelines The Letter of Conformity is granted to Polyone Polymers India Private Limited Plot No. F -27, MIDC, Ranjangaon, Taluka – Shirur, Pune Maharashtra 412220 India Hold this Opinion Statement No. 798019/2023 The Organization has demonstrated that they have followed the guidelines provided for Good Manufacturing Practices as per the ICHQ7 guidelines in their organization for the following Business activity: Research and Development, Manufacture of Color additives, Concentrates and Specialty Formulations for intended use in pharma and other industries Theuns Kotze, Managing Director – IMETA Assurance Last Audit Date: 31.10.2023 BSI Group India Private Limited T: +91-4762-9000 (CIN U74899DL1999PTC101381 info.in@bsigroup.com The Mira Corporate Suites bsigroup.com/en-IN Plot 1&2, Ishwar Nagar, Mathura Road New Delhi-110065, India

Discover how Avient's in-plastic solution can protect against counterfeiting in E&E applications Sustainable Fiber Coloration Technology (Spin-Dyeing) Take the next big step towards true sustainability in fashion textiles

Discover how Avient's in-plastic solution can protect against counterfeiting in E&E applications Sustainable Fiber Coloration Technology (Spin-Dyeing) Take the next big step towards true sustainability in fashion textiles

Governance QualityScore is a data-driven scoring and screening solution designed to enable quality reviews of corporate governance across four key areas: Board Structure, Compensation, Shareholder Rights, and Audit & Risk Oversight.

On March 13, 2013, PolyOne acquired Spartech Corporation (Spartech), a supplier of sustainable plastic sheet, color and engineered materials, and packaging solutions. Spartech Corporation On March 13, 2013, PolyOne acquired Spartech, a supplier of sustainable plastic sheet, color and engineered materials and packaging solutions. Limitations in internal control over financial reporting Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements.

CREATING A MORE SUSTAINABLE PACKAGE There are a number of ways to create packaging that is considered more sustainable. It is to enable our customers’ innovation and sustainability goals through world class products and services and excellence in the four cornerstones of: WE HELP OUR CUSTOMERS MAKE PRODUCTS THAT ARE MORE SUSTAINABLE IN 8 DIFFERENT WAYS: • Lightweighting • Reduced Energy Use • Volatile Organic Compound Reduction • Recycle Solutions • Bio-polymers • Eco-conscious • Sustainable Infrastructure • Human Health & Safety For more information on how we can help, visit avient.com 1.844.4AVIENT www.avient.com Copyright © 2021, Avient Corporation. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

About Avient Our purpose at Avient Corporation (NYSE: AVNT) is to be an innovator of materials solutions that help our customers succeed, while enabling a sustainable world. By intersecting our broad portfolio of technologies with the product roadmaps of our customers, we help create differentiated and high-performance products that make the world better and more sustainable. Visit www.avient.com to learn more. 5 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995.

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Sustainable Infrastructure Color and Additives Solutions Overview Solutions for EV Charging Stations