2015 Investor Presentations PolyOne IR Presentation - Credit Suisse - June 2015 PolyOne IR Presentation - Goldman Sachs Conference - 2015

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.

Homepage // News Center // PolyOne Wilflex Screen Printing Inks Receive Key 2014 Regulatory Certifications KENNESAW, Georgia – PolyOne Corporation, a premier global provider of specialized polymer materials, services and solutions announced today that it has received several sustainability-related compliance and regulatory product certifications for Wilflex™ Textile Printing Inks. These certifications enable printers to meet regulatory and quality specifications, creating value for customers without sacrificing production performance.

Poor Registration

Certificate Avient Corporation This is to certify that the Environmental Management System of: Avon Lake Corporate 33587 Walker Road Avon Lake OH 44012 United States (WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: The Environmental Management System is applicable to: Responsible Care Corporate Support Activities in Sr. Leadership, EHS&S-PS, Facility Services, Design & Development, Information Technology, Sourcing, Logistics, Legal, and Human Resources Certification Date: 29 SEP 2023 Effective Date: 27 FEB 2025 Expiration Date: 27 SEP 2026 Revision Date: 05 MAR 2025 Dominic Townsend, President Page 1 of 5 Avon Lake Corporate Responsible Care Corporate Support Activities in Sr.

Mink served in this capacity from 2015 until her retirement in 2020. Mink served as Business President of Elastomers, Electrical and Telecommunications at the Dow Chemical Company (“Dow”), a specialty chemicals provider, from 2012 to 2015. Wulfsohn served in this capacity from 2015 until 2019.

November 2, 2015

in 2015 as general manager of the company's Geon business unit from Johns Manville, where he had P&L responsibility for its Performance Materials division.  with 2015 revenues of

Case Study LED Manufacturer Innovates and Saves with Polymer Heat Sinks Shift from metal drives improved product line for component manufacturer Read More May 30, 2015 Read More Jun 15, 2015

October 13, 2015 FRIEDRICHSHAFEN, Germany – October 13, 2015 – PolyOne is unveiling new bold color and extrusion options within the reSound™ Natural Fiber Reinforced Composites portfolio this week at the 30th annual Fakuma International Trade Fair, a global plastics industry exhibition.