Code of Ethics _Sr Financial Officers Revised December 2023 Code of Ethics Applicable to Senior Financial Officers Application and Standards of this Code of Ethics This Code of Ethics applies to Avient’s Chief Executive Officer, Chief Financial Officer, and Corporate Controller. In addition to their responsibilities under this Code of Ethics, these officers must comply with Avient’s Code of Conduct. Should any such conflict of interest situation arise, the officer must report the details of the situation to both the General Counsel and the Chair of the Audit Committee for disposition; • be responsible, to the best of his or her ability, for full, fair, accurate, timely and understandable disclosure in reports and documents that the company files with, or submits to, the SEC and in other public communications made by the company; • maintain compliance with applicable governmental laws, rules and regulations; • report violations of this code of ethics in accordance with the procedures outlined below; and • be personally responsible for adherence to this Code of Ethics.

Contact your Avient representative for more information. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

PRODUCT BULLETIN ColorMatrix™ Liquid Dispersion for Extrusion Blow Molding Avient’s ColorMatrix™ LCX liquid color products are the latest advancement in technology to deliver stable pigment dispersions for the extrusion blow molding (EBM) process. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Avient’s exclusive production system specifically addresses the need for small volume requirements of color. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Modern battery enclosures do more than house the vehicle’s battery system, they also integrate with the vehicle’s structure to enhance safety and performance. These materials, typically used to replace aluminum sheets, can save up to 40% in weight, translating to nearly 78 pounds (35.4 kg) per vehicle. For more insights into how Avient supports EV design and development, click here.