She was Executive Vice President, then Corporate Executive Vice President, at Celanese Corporation, a global hybrid chemical company, from 2007 to 2010. Garratt Senior Vice President, Chief Commercial Officer Craig M. Crist, who had previously served as Senior Vice President, President of POD, was named as Senior Vice President, President of CAI on July 3, 2017.

Trace McInturff, Vice President, Accreditation Services For the Accreditation Council Certificate Number 0562.01 Valid to October 31, 2025 0562-01 0562-01c

Beggs Senior Vice President, Chief Financial Officer Michael A. Rathbun Senior Vice President, Mergers and Acquisitions Lisa K. Beggs Senior Vice President, Chief Financial Officer Michael A.

Richardson Executive Vice President & Chief Financial Officer Donald Wiseman Senior Vice President, President of Joel Rathbun Mergers & Acquisitions John Midea Global Operations & Process Improvement Scott Horn Senior Vice President, President of PolyOne Distribution Kurt Schuering Vice President Global Key Account Management Michael A. Garratt Senior Vice President & Chief Commercial Officer João José San Martin Neto Senior Vice President and Chief Human Resources Officer Cathy Dodd Vice President Marketing Mark Crist Senior Vice President, President of Color, Additives & Inks Lisa Kunkle Senior Vice President, General Counsel & Secretary Chris Murphy Vice President, Research & Development, Chief Innovation Officer T H E L E A D E R S B E H I N D T H E T E A M PolyOne Corporation 6 Robert M.

Evins brings over 28 years of IT leadership experience to Avient, most recently serving as Executive Vice President and CIO at LPL Financial where she led agile technology transformations to improve end user experience and meet increased business needs.

Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

This document has been approved by Avient Corporation’s Vice President, Tax, and by each of the UK sub-groups owned by the Avient Group through such appropriate board of directors of the UK sub-groups.

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No. 63431 Toluca, Mexico ✓ ✓ ✓ ✓ Santa Clara, Mexico ✓ ✓ ✓ ✓ Guatemala City Guatemala ✓ ✓ ✓ Cota, Columbia ✓ ✓ ✓ Suzano, Brazil ✓ ✓ ✓ Itupeva, Brazil ✓ Buenos Aires, Argentina ✓ ✓ ✓ Santiago, Chile ✓ ✓ ✓ ISO 9001:2015 A ISO 9001:2015 é uma norma global que descreve os processos específicos que as organizações devem criar, manter e melhorar para fabricar produtos ou prestar serviços com um Sistema de Gestão da Qualidade (SGQ) eficiente.