Any material risks identified by the Management System, as well as plans to address them, are reported to the Board of Directors EH&S Committee on an annual basis. Company Officers Avient Corporation Privacy Statement

RTF Template P lace and date: For the is suing office: Shanghai, 30 March, 2018 DNV GL – Business Assurance Suite A, Building 9, No.1591 Hongqiao Road, Changning District, Shanghai 200336, P.R. TEL:+31102922689. assurance.dnvgl.com Appendix to Certificate PolyOne-Shanghai, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.

IATF Certificate Place and date: For the issuing office: Katy, TX, 10 December 2024 Revision 2 DNV - Business Assurance 1400 Ravello Drive, Katy, TX, 77449- 5164, USA Sherif Mekkawy Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. Remote Support Locations included in the certification are as follows: Site Name Site Address RSL Activities Certification Body PolyOne Management (Shanghai) Co., Ltd. 2nd Floor, Building C, No.200, Jinsu Road, Pudong, Shanghai, P.R.

Understanding and addressing the challenges of choosing and using smaller quantities of colorants The basis of the ColorMatrix SOS is an exclusive dispensing system that specifically addresses the need for smaller volume requirements of liquid color. It also allows for batch-to-batch consistency to address color variations.

Addressing Challenges and Identifying Solutions for Recycled PET To address these challenges, new additive technologies have been developed with recycling in mind. By addressing the gaps that limit recyclability and providing compliance with regulatory standards, the industry can move toward a more sustainable future.

Addressing Challenges and Identifying Solutions for Recycled PET To address these challenges, new additive technologies have been developed with recycling in mind. By addressing the gaps that limit recyclability and providing compliance with regulatory standards, the industry can move toward a more sustainable future.

Addressing Challenges and Identifying Solutions for Recycled PET To address these challenges, new additive technologies have been developed with recycling in mind. By addressing the gaps that limit recyclability and providing compliance with regulatory standards, the industry can move toward a more sustainable future.

Avient is fully committed to protecting the environment by addressing climate change, conserving natural resources and preventing pollution. Avient is fully committed to protecting the environment by addressing climate change, conserving natural resources and preventing pollution.

FMC Corporation The Valspar Corporation Avery Dennison Corporation H.B. Axiall Corporation* Hexcel Corporation Cabot Corporation International Flavors & Fragrances Inc Management Continuity Agreements We have entered into Continuity Agreements with all of our elected corporate officers, including each of the Named Executive Officers.

Patterson President and Chief Executive Officer PolyOne Corporation Please refer to the accompanying materials for voting instructions. Sigma-Aldrich Corporation* Axiall Corporation Ferro Corporation The Scotts Miracle-Gro Company Cabot Corporation FMC Corporation The Valspar Corporation Celanese Corporation H.B. Management Continuity Agreements We have entered into Continuity Agreements with all of our elected corporate officers, including each of the Named Executive Officers.