Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...

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.

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.

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.

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.

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.

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.

SBD cordless power tool GLOBAL CLOUD SERVICE PROVIDER I N T E R N A L H O L D O F S E R V E R C A B I N E T S • PC-based solution with good impact strength • UL 94 V-0 certification • Dimensionally stable • Offered a 40% glass fiber-reinforced PC solution with high modulus and high impact strength • Achieved a UL 94 V-0 flammability rating at 3.0 mm • Provided pre-colored formulation that met specific white requirements and maintained good color stability even after long-term production at high temperatures • Ensured high flowability so the material could be injected with low pressure, avoiding damage to the metal frame Edgetek Engineered Polymer Formulations KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION FLAME RETARDANCE + IMPACT STRENGTH LEARN MORE Copyright © 2025, Avient Corporation. https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/edgetek-engineered-polymer-formulations Slide 1: Global cloud service provider

ColorForward 2026, created by the ColorWorks™ team at Avient, outlines four global societal trends that will likely affect consumers' emotions in the coming years and, in turn, influence their color choices for plastic products. A concept which has proven successful," said Maurizio Torchio, Global Manager of ColorWorks at Avient. To access Avient's news library online, please visit www.avient.com/news. 

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.