RTF Template Place and date: For the issuing office: Shanghai, 19 March, 2021 DNV GL - Business Assurance Suite A, Building 9, No.1591 Hongqiao Road, Changning District, Shanghai 200336, P.R. TEL:+31(0)102922689. www.dnvgl.com/assurance Page 2 of 2 Appendix to Certificate PolyOne-Shanghai, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne Polymer (Tianjin) Company Limited No.28#C, Jin Bin Hi-Tech Industrial Park, 156 Nan Hai Road, Tianjin Economic-Technological, Tianjin, China, 300457 Manufacture of Masterbatch PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.

MSC Certificate Place and date: For the issuing office: Shanghai, 20 March 2024 DNV - Business Assurance Building 9, No. 1591 Hongqiao Road, Changning DistrictShanghai China 200336 Zhu Hai Ming Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. ACCREDITED UNIT: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance Page 2 of 2 Appendix to Certificate PolyOne-Shanghai, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne Polymer (Tianjin) Company Limited No. 28#C, Jin Bin Hi-Tech Industrial Park, No. 156, Nan Hai Road, Tianjin Economic- Technological Development Area, Tianjin, China 300457 Manufacture of Colour and Additive Concentrates PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.

To address this, advancements in recycling technologies and the use of performance additives are crucial. The journey towards a more circular economy for PET involves addressing several challenges, from process optimization and enhancing the consumer experience to generating quality rPET feedstock and creating value for rPET and PET producers. Avient offers solutions that address many of these challenges, helping to enhance the circularity of PET and promote a more sustainable packaging industry.

For example, through these processes, we have identified potential human rights risks, including: protecting the health and safety of our associates and contractors, addressing modern slavery in the supply chain and preventing, minimizing and eliminating waste contamination in the environment.

ColorMatrix™ Amosorb™ 4020R addresses this performance issue and is the latest in a portfolio of solutions Avient has developed to enable high-quality recycled packaging.

ColorMatrix™ Amosorb™ 4020R addresses this performance issue and is the latest in a portfolio of solutions Avient has developed to enable high-quality recycled packaging.

Mirror, mirror on the wall… – a collection of silver and chrome effect for ISBM of PET and rPET addressed to high-end personal care and cosmetic products

Khandpur is Chairman, President and Chief Executive Officer at Avient Corporation, an innovator of materials solutions to help customers succeed, while enabling a sustainable world. Executive Vice President and Chief Digital Officer at Otis Worldwide Corporation (“Otis”), a leading elevator and escalator manufacturing, installation and service company, since 2020. Retired Vice President, Chief Financial Officer of Stryker Corporation (“Stryker”), one of the world’s leading medical technology (“Medtech”) companies.

Corporate Media Contact: Kyle G. Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Company Officers

PolyOne Corporation chairman, president and chief executive officer, senior vice president and chief commercial officer, and