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BEGGS Senior Vice President and Chief Financial Officer Jamie A. Beggs is senior vice president and chief financial officer of Avient Corporation, a premier provider of specialized and sustainable material solutions and services. Prior to Hunt, she worked for Celanese Corporation, where she served in a variety of finance and business positions, including vice president and corporate treasurer, and earlier as chief financial officer of the materials solutions business.

About Toyobo MC Corporation TOYOBO MC Corporation began operations in April 2023 as a joint venture between Toyobo Co., Ltd. and Mitsubishi Corporation. Media Contact Crandall Turner Avient Corporation crandall.turner@avient.com  Company Officers

CLEVELAND – PolyOne Corporation (NYSE: POL), a premier provider of specialized polymer materials, services and solutions, intends to release its fou SHANGHAI – PolyOne Corporation (NYSE: POL), a premier provider of specialized polymer materials, services and solutions, was recently recognize Company Officers

SHANGHAI – At Chinaplas 2014, PolyOne Corporation (NYSE: POL), a premier global provider of specialized polymer materials, services and solutions, w SHANGHAI – PolyOne Corporation (NYSE: POL) is introducing its Percept™ Authentication Technologies in Asia this week at Chinaplas 2014. Company Officers

CLEVELAND – PolyOne Corporation (NYSE: POL), a premier provider of specialized polymer materials, services and solutions, today announced that CLEVELAND – PolyOne Corporation (NYSE: POL), a premier provider of specialized polymer materials, services and solutions, today announced that Bradl Company Officers

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

Corporate Media Contact: Kyle G. Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Company Officers

Swanson Director, Investor Relations PolyOne Corporation +1 440-930-1018 eric.swanson@avient.com Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Company Officers

Patterson, president and chief executive officer, PolyOne Corporation. Rose Vice President, Corporate Communications PolyOne Corporation +1 440.930.3162 kyle.rose@avient.com Company Officers