Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.

The supplier should complete the QF-05 Supplier Self Assessment Audit Form (DOC-03818) to demonstrate quality conformance and accept Avient’s Supplier Change Notification. Avient reserves the right to request the completion of the supplier assessment based upon quality recommendation regardless of supplier accreditation status. Evaluations are completed using the Avient Supplier Risk Matrix which identifies “high-”, “medium-” and “low-risk” suppliers based upon the following inputs: total business impact, supplier performance, and QMS profile (certification and self-assessment completion).

Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.

Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.

Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.

Name of topic CABLE PRODUCER P H O T O V O L T A I C C A B L E • Simplified supply chain and inventory by providing one solution for both insulation and jacket coating • Provided a material that gave cable a good surface finish and improved cable life time value (passed Arrhenius life time prediction as per IEC 60216-1 in internal lab test) • Reduced catalyst dosage resulting in lower material cost • Improved customer processing speeds • Enabled flame retardant performance to EN 50618 and IEC 60332-1 standards on complete cable ECCOH™ XL 8148 + ECCOH XL CAT 005 Formulations KEY REQUIREMENTS WHY AVIENT?

Check one box below and provide information as required: Complete the following information: Form 540 Prescribed by: POLYONE CORPORATION 1181191 1701.70(B)(6) DOC ID ----> 202018203934 Page 2 of 2Form 540 Last Revised: 06/2019 A copy of the resolution of amendment is attached to this document. If you are amending the total number of shares, please complete this box so the appropriate filing fee is charged. I have provided all the necessary information to complete the filing process with our office.

A full copy of Avient’s Code of Conduct is available in over 20 languages and can be found here: Avient’s Position on Human Rights can be found here http://www.avient.com/ https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/sites/default/files/2021-07/avient-human-rights-position-statement-updated-july-2021.pdf Page 2 of 3 Training To mitigate against the risk of non-compliance with our policy, Avient requires all associates to complete mandatory Code of Conduct training. Our effectiveness in combating slavery and human trafficking In 2024 the following key performance indicators (KPIs) will be used to measure how effective we have been in ensuring that slavery and human trafficking is not taking place in any part of our business or supply chains  100% completion of the Code of Conduct for all associates Page 3 of 3 Our on-going commitment As part of our modern slavery strategy we will continue to monitor the progress we have made and build on our achievements and initiatives in the next financial year.

With complete visibility of performance and cost parameters across multiple color options, it is possible to evaluate and select the formulation that best meets the requirementsof a specific application. Ultra- fast availability of representative samples in your target resin allows visualization, adjustment and approval of colors to be completed within days instead of weeks.

When you complete your edits, and if any, enter comments for Avient and then click “Submit” 9. Click “Send Invoice” to complete the process 11.