This document is property of Avient Corporation and may not be reproduced or communicated to third parties without authorization. Location(s) North Haven, CT As a valued customer (“Customer”) of NEU Specialty Materials, LLC (“NEU”), NEU is communicating this Quality Commitment to communicate the quality parameters, expectations and risk surrounding quality matters for the products NEU supplies. This document is property of Avient Corporation and may not be reproduced or communicated to third parties without authorization. 4.2 Each container label will show: 4.2.1 Customer Part No.

PREPERM™ Solutions for Satellite Communications APPLICATION BULLETIN DIELECTRIC SUBSTRATES PREPERM low-loss antenna substrates improve the antenna bandwidth and gain compared to common materials. PREPERM materials are used in a wide range of industries Whether you operate in the field of telecom and 5G, automotive or industrial radars, or satellite communications, we have a solution for you.

AVIENT RESPONSIBLE CARE POLICY Avient Corporation conducts its operations in a manner that is protective of the environment, and the health, safety and security of associates, customers, and all our stakeholders, including the communities in which we operate. Bob Patterson Chairman, President, and CEO August 1, 2020 ENVIRONMENTAL POLICY Avient Corporation conducts its operations in an environmentally responsible manner that is protective of the communities in which we operate. Sustainable and ethical management of our products protects our employees, customers and communities in which we operate, while maintaining customer confidence in Avient’s materials.

Bob Patterson Chairman, President, and CEO August 1, 2020 ENVIRONMENTAL POLICY Avient Corporation conducts its operations in an environmentally responsible manner that is protective of the communities in which we operate. It is our policy to conduct business in a manner that ensures the safety and health of employees, customers, suppliers and the communities in which we operate. Sustainable and ethical management of our products protects our employees, customers and communities in which we operate, while maintaining customer confidence in Avient’s materials.

Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

Rose, Vice President, Marketing and Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com