Any samples or developmental material provided by Seller are provided “AS IS” with no warranty as to its performance and such samples or materials shall not create any warranty by sample, which is hereby waived. The sale of Products or the providing of samples or developmental material shall not, by implication or otherwise, convey any license under any intellectual property right relating to the compositions and/or applications of the Products, sample, or developmental material, as applicable. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 22.

A sale of goods under these Terms and Conditions requires a Buyer’s order (offer) and Seller’s order confirmation (offer acceptance). Any samples or developmental material provided by Seller are provided “AS IS” with no warranty as to its performance and such samples or materials shall not create any warranty by sample, which is hereby waived. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 19.

Avient's OnColor™ Portfolio application for iPad is a productivity tool to help designers and product developers effectively evaluate and implement color and special effects into their new products. The ability to browse color options, request samples and new color designs

Level of Assurance and Qualifications:  Limited  This verification used a materiality threshold of ±5% for aggregate errors in sampled data for each of the above indicators GHG Verification Methodology: Evidence-gathering procedures included, but were not limited to:  Interviews with relevant personnel of Avient and their consultant;  Review of documentary evidence produced by Avient;  Review of Avient data and information systems and methodology for collection, aggregation, analysis and review of information used to determine GHG emissions; and  Audit of sample of data used by Avient to determine GHG emissions. Page 3 WATER RESOURCES • ENVIRONMENTAL SERVICES • HEALTH & SAFETY • CLIMATE CHANGE Apex Companies, LLC • (800) 733-2739 • www.apexcos.com Statement of independence, impartiality and competence Apex is an independent professional services company that specializes in Health, Safety, Social and Environmental management services including assurance with over 30 years history in providing these services. We consent to the release of this declaration by you to CDP in order to satisfy the terms of CDP disclosure requirements but without accepting or assuming any responsibility or liability on our part to CDP or to any other party who may have access to this declaration.

POM is based on polymerized formaldehyde, which makes the polymer sensitive to thermal degradation, releasing formaldehyde gas. On the other hand, the PK structure is based on copolymerized carbon monoxide and ethylene, which is more thermally stable than POM and does not release formaldehyde as it thermally degrades. The glass-filled polyketone samples showed better property retention and lower dimensional change than PA6 and PA66.

Microsoft Word - Q4 release 2.14.23 430PM 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Fourth Quarter and Full Year 2022 Results • Fourth quarter and full year GAAP EPS from continuing operations of $(0.19) and $0.90 • Fourth quarter and full year adjusted EPS from continuing operations of $0.39 and $2.69 exceeds prior guidance of $0.29 and $2.60 due to better-than-expected orders for personal protection products from Avient Protective Materials (“APM”) and cost reductions • On a pro forma basis, fourth quarter and full year adjusted EPS of $0.42 and $3.04 exceeded prior guidance of $0.33 and $2.95, respectively • Strong working capital performance to finish the year resulted in cash flow from operations of approximately $400 million for 2022; full year free cash flow of approximately $290 million • Paid down additional $200 million of debt for a year-end net debt-to-adjusted EBITDA of 2.9x which improved from prior projections • Earned fourth Great Place to Work® certification, achieving the highest employee engagement scores in the history of the company CLEVELAND – February 15, 2023 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable solutions, today announced its fourth quarter and full year results for 2022. Orders in Europe and Asia were slightly better than expected at the end of the year. See Attachment 3 for a definition and summary of special items.

Any samples or developmental material provided by Seller are provided “AS IS” with no warranty as to its performance and such samples or materials shall not create any warranty by sample, which is hereby waived. In no event shall Seller have liability to Buyer for any incidental, consequential, indirect, exemplary, punitive or special damages. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions.

Any samples or developmental material provided by Seller are provided “AS IS” with no warranty as to its performance and such samples or materials shall not create any warranty by sample, which is hereby waived. In no event shall Seller have liability to Buyer for any incidental, consequential, indirect, exemplary, punitive or special damages. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 20.

Any samples or developmental material provided by Seller are provided “AS IS” with no warranty as to its performance and such samples or materials shall not create any warranty by sample, which is hereby waived. In no event shall Seller have liability to Buyer for any incidental, consequential, indirect, exemplary, punitive or special damages. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 20.

Any samples or developmental material provided by Seller are provided “AS IS” with no warranty as to its performance and such samples or materials shall not create any warranty by sample, which is hereby waived. In no event shall Seller have liability to Buyer for any incidental, consequential, indirect, exemplary, punitive or special damages. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 20.