Certificate of Registration 9001:2015 MSP 9001:2015–MSP-ANAB-US (2.0) Page 1 of 2 Certificate of Registration of Quality Management System to ISO 9001:2015 The National Standards Authority of Ireland certifies that: Colorant Chromatics Ab Kroklundsvagen 346 AX-22 320 Odkarby Aland Finland has been assessed and deemed to comply with the requirements of the above standard in respect of the scope of operations given below: The Design, Manufacture and Sales of Fluoropolymer Color Concentrates and Compounds Additional sites covered under this multi-site certification are listed on the Annex (File No. 19.2540/C) Approved by: Geraldine LarkinChief Executive Officer Approved by: Lisa Greenleaf Operations Manager Registration Number: 19.2540/C Certification Granted: May 15, 1997 Effective Date: Oct 20, 2018 Expiry Date: Oct 19, 2021 National Standards Authority of Ireland, 20 Trafalgar Square, Nashua, New Hampshire, NH 03063, USA T +1 603 882 4412 9001:2015–MSP-ANAB-US (2.0) Page 2 of 2 Annex to Certificate Number: 19.2540/C Scope of Registration: The Design, Manufacture and Sales of Fluoropolymer Color Concentrates and Compounds Activity Location Central Management Group, Design, Manufacture Colorant Chromatics Kroklundsvagen 346 AX-22 320 Odkarby Aland Finland File No.: 19.2540/C Headquarters, Sales, Distribution Colorant Chromatics Europe B.V.

The top priority at Avient is safety. Each assessment considers geographic location, relationships with communities and applicable laws. In higher-risk locations, we maintain detailed security preparedness plans.

As part of the realignment, PolyOne will close manufacturing plants located in Diadema and Joinville, Brazil. The above list of factors is not exhaustive. Avient Announces First Quarter 2025 Results...

Remember that the same ethical standards apply wherever we are located or do business. You must also comply with all Avient policies, procedures and location specific work and conduct rules. If you still have concerns, contact local management or any of the resources listed in the Code.

This Policy applies to Avient and its subsidiaries, including all officers, employees, agents and other third parties acting on Avient’s behalf . These requirements apply to all of our business activities in all of our locations and are implemented through Avient’s standard accounting rules and procedures. You can make an inquiry or a complaint from this website, or by calling the third- party hotline at any of the country specific telephone numbers listed on the website.

Engage has been a key program to improve engagement and our culture of learning in our manufacturing locations. Last year, our first full year as Avient, we surveyed employees in 40 countries, and over 130 locations participated, providing actionable feedback to support our employee engagement efforts. We established threshold, target and maximum adjusted EPS goals for each of the above listed performance periods.

About Avient   Components and solutions are produced at 22 locations around the globe and are distributed to customers in more than 100 countries. Avient Announces First Quarter 2025 Results...

The vast majority of Avient sites are generally comparably smaller scale and located in urban or suburban areas. Avient PAC’s Federal Election Commission filings, including listings of contributions, are publicly available at www.fec.gov. Further, the vast majority of Avient sites are generally comparably smaller scale and located in urban or suburban areas.

President and Chief Executive Officer of Avient. Khandpur has served as President and Chief Executive Officer of Avient since 2023. Avient Company Officers

ColorMatrix Europe Limited is a wholly owned indirect subsidiary of Avient Corporation, a U.S. publicly-traded corporation listed on the New York Stock Exchange with global headquarters in Avon Lake, Ohio, United States. More information about Avient and its locations can be found on our website – www.Avient.com Our policies on slavery and human trafficking The Avient Code of Conduct establishes a clear set of ethical and behavioral standards for the employees of Avient for our business conduct. Our supply base currently includes 63 suppliers: 70% located in the UK, 12% in the EU and the remaining 18% split between China, USA and India.