This is to certify that the Quality Management System of: PolyOne Polymers India Pvt. F-27, MIDC, Ranjangaon, Shirur Pune, Maharashtra 412 220 India ISO 9001:2015 The Quality Management System is applicable to: Certificate No: 51482 Certification Date: 08 April 2015 Effective Date: 03 March 2021 Expiration Date: 07 April 2024 Revision Date: 08 March 2021 Dominic Townsend, President THE DESIGN AND MANUFACTURE OF COLOR, ADDITIVE CONCERTRATES AND SPECIALITY COMPOUNDS This certificate may be found on the ABS QE Website (www.abs-qe.com).

PolyOne Corporation, with 2013 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. Avient Announces Second Quarter 2025 Results... Avient Announces Quarterly Dividend...

Validity Avient (Taiwan) Co. A.Grisard, President SQS F. A.Grisard, President SQS F.

Chairman, President and Chief Executive Officer, Investor Relations, Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media, Kyle G. Rose, Vice President, Marketing and Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

Chairman, President, and Chief Executive Officer, Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

Specialty Wire and Cable Solutions Featured by Avient at Wire China 2023 New reSound™ REC TPEs from Avient offer sustainable alternatives to traditional materials for automotive interior applications. CLEVELAND – June 27, 2023 – Avient, a leading innovator of specialty and sustainable material solutions, is pleased to announce the issuance of th

At Avient, a culture of safety is a foundational strength. Avient’s Vice President of EH&S and Senior Vice President of Global Operations and Process Improvement are responsible for reporting performance to the EH&S Committee of the Board of Directors. It addresses every aspect of our operations, including material transportation, site and warehouse activities, product distribution, customer usage, and our ongoing commitment to be a positive influence in the communities where we operate.

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About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. Avient Announces Second Quarter 2025 Results... Avient Announces Quarterly Dividend...

About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions. Avient Announces Second Quarter 2025 Results... Avient Announces Quarterly Dividend...