To access PolyOne’s news library online, please go to www.avient.com/news. Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K.

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. ACCREDITED UNIT: DNV Business Assurance USA Inc., 1400 Ravello Drive, Katy, TX, 77449-5164, USA - TEL: +1 281-396-1000. www.dnv.com Page 1 of 2 MANAGEMENT SYSTEM CERTIFICATE Certificate no.: 273138-2018-AQ-RGC-IATF IATF Certificate No: 0558323 Valid: 10 December 2024 – 09 December 2027 This is to certify that the management system of Polyone - Shenzhen Co., Ltd. No. 1, Qihang Industry Park, Haoxiang Road, Shajing Town, Baoan, Shenzhen, Guangdong, China 518104 (USI: C5M65R) and, if applicable, the remote supporting locations as mentioned in the Appendix accompanying this Certificate has been found to conform to the Quality Management System standard: IATF 16949:2016 This certificate is valid for the following scope: DESIGN AND MANUFACTURE OF PLASTIC COMPOUNDING MATERIAL EXCLUSION: NONE http://www.dnv.com Certificate no.: 273138-2018-AQ-RGC-IATF IATF Certificate No: 0558323 Place and date: Katy, TX, 10 December 2024 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.

PRE-FILLED SYRINGE COMPANY S Y R I N G E T I P C A P • Excellent sealing performance • No DEHP or natural rubber latex added during processing • Can be sterilized by EtO • Compliant with ISO 10993-4&5 and USP Class VI • Formulated a solution that met rigorous medical application requirements • Leveraged global footprint to ensure supply continuity • Increased process efficiency by replacing previous thermoset material with a TPE Versaflex™ HC Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION COMPLIANCE + EASY PROCESSING LEARN MORE Copyright © 2023, Avient Corporation.

Finally, our global Hiformer team makes sure materials and equipment are delivered on time and that your Hiformer process starts up efficiently and satisfactorily. Browse and download our literature to learn more about Avient solutions and services. See our extensive library of resources about our growing company.

This can help brand owners and technical colorists simplify the process of transitioning to higher levels of PCR content, shorten the time-to-launch of new product ranges, and create global color consistency. About Avient To access Avient's news library online, please visit www.avient.com/news  

We are thrilled to announce the global launch of Wilflex Revive – the first of our bio-derived product lines for inks,” said Jeanette Hardy, EMEA and APAC Sales Director, Avient Specialty Inks. About Avient   To access Avient’s news library online, please visit www.avient.com/news.      

We are thrilled to introduce ColorMatrix AAnchor to our customers," said Andrea Smith, Global Product Manager at Avient Corporation. About Avient   To access Avient's news library online, please visit www.avient.com/news.  

MagnaPrint Hybrid Fusion Vibrant White is an exciting, PVC-free addition to the MagnaColours portfolio, offering a curing time that is half as long as the leading competitor’s water-based ink,” said Jake Ojeda, Global Marketing Director and Americas Sales Director, Color, Additives, and Inks at Avient. About Avient  To access Avient’s news library online, please visit www.avient.com/news.

Complēt moisture-resistant nylon 6 and 6/6 grades are globally available in several fiber loading levels (weight percentages) using long glass fiber, long carbon fiber, or hybrid combinations. About Avient To access Avient’s news library online, please visit www.avient.com/news.

Products can now be designed with TPEs that can help extend useful life by inhibiting microbial growth,” said Matt Mitchell, director, global marketing of Specialty Engineered Materials at Avient, “and these newly formulated materials also deliver the performance synonymous with our GLS brand of TPEs.” To access Avient’s news library online, please visit www.avient.com/news. Avient Announces Quarterly Dividend...