Esta Política es de aplicación para Avient y sus filiales, incluidos todos los directores, empleados y agentes u otros terceros que actúen en nombre de Avient. Las infracciones pueden causar daños a la reputación de Avient, graves sanciones y penas de prisión. Su supervisor o cualquier gerente de Avient • El Responsable de Ética Corporativa mediante correo electrónico a ethics.officer@avient.com • El Asesor Jurídico de Avient mediante correo electrónico a legal.officer@avient.com • Cualquier miembro del Departamento Jurídico • La Línea Directa de Ética de Avient mailto:ethics.officer%40avient.com%20?

Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. Webcast Details Avient will host a webcast on Wednesday, November 2, 2022 at 8:00 a.m. To access Avient’s news library online, please visit www.avient.com/news # # # Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G.

Gajewski joined Avient in July 2013 from AkzoNobel/PPG and has since taken on multiple roles with increasing responsibility within the Human Resources function, including HR Director for Avient’s Color, Additives & Inks business segment, and an international assignment with responsibility for the EMEA and India regions. Gajewski led Avient’s learning and organizational development programs, talent management and acquisition, as well as working as the HR Director for all global Corporate Functions. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Rose joined Avient in 2011 and has led communications aspects and initiatives during the company’s specialty portfolio and cultural transformation. He also serves as the Executive Sponsor of Avient’s United Way and Global Giving campaigns, as well as the company’s young professional network. Before his tenure at Avient, Mr.

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. For the same reasons, Avient is unable to address the probable significance of the unavailable information.

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. It is the responsibility of every associate at Avient, including contractors, to understand these commitments and support them through their daily actions including conformance with our programs and procedures, making safe decisions and protecting our natural resources. To assist in reaching these commitments, Avient is a proud member of the American Chemistry Council and have committed to their Responsible Care Guiding Principles to guide our efforts in continual improvement.

Phil Clark is Senior Vice President, Chief Technology Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Clark joined Avient in 2024 from Nouryon, a global specialty chemicals organization where he served as Chief Technology Officer. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Sequeira joined Avient in May 2024, bringing nearly 25 years of experience in information technology to this role. Before joining Avient, Mr. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Beggs is Senior Vice President and Chief Financial Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Beggs joined Avient in August 2020 and has more than 20 years of experience in finance and business leadership roles in both public and private organizations with an emphasis on specialty materials and diverse end markets. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

JOHN MIDEA Senior Vice President, Global Operations and Process Improvement John Midea is Senior Vice President, Global Operations and Process Improvement at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Midea joined Avient in February 2015 and leads the company’s award-winning global operational excellence initiatives, including manufacturing process improvement, environmental health and safety, global sourcing and logistics, Lean Six Sigma training and deployment, and acquisition integration. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com