Patterson, president and chief executive officer, and Eric R. Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Company Officers

Richardson, executive vice president and Chief Financial Officer, and Eric Swanson, director, Investor Relations, will present at the Gabelli & Company Sixth Annual Specialty Chemicals Conference. Media Contact: Kyle Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Company Officers

Patterson, President and Chief Executive Officer, and Isaac D. Media Contact: Kyle Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Company Officers

Patterson, president and chief executive officer, PolyOne Corporation. Vice President, Corporate Communications PolyOne Corporation Company Officers

Patterson, president and chief executive officer, PolyOne Corporation. Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Company Officers

Avient Corporation Chairman, President and Chief Executive Officer, Avient Corporation

PolyOne Corporation Chairman, President, and Chief Executive Officer, PolyOne Corporation

Richardson, Executive Vice President, Chief Financial Officer Robert M. Patterson, Chairman, President and Chief Executive Officer Michael A. Garratt, Senior Vice President, Chief Commercial Officer Lisa K.

Investor contact: Isaac DeLuca Vice President, Investor Relations PolyOne Corporation +1 440-930-1226 Isaac.deluca@avient.com Media contact: Kyle Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Company Officers

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