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

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

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

Patterson, executive vice president and chief operating officer, PolyOne Corporation. DeLuca Vice President, Investor Relations PolyOne Corporation +1 440-930-1226 isaac.deluca@avient.com

Beggs Senior Vice President, Chief Financial Officer Michael A. Kunkle Senior Vice President, General Counsel and Secretary Joel R. Beggs Senior Vice President, Chief Financial Officer Michael A.

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. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com NEWS RELEASE

She was Executive Vice President, then Corporate Executive Vice President at Celanese Corporation, a global hybrid chemical company from 2001 until 2010. Patterson served as Executive Vice President and Chief Operating Officer of PolyOne from March 2012 until May 2014, as Executive Vice President and Chief Financial Officer from January 2011 until March 2012, and as PolyOne’s Senior Vice President and Chief Financial Officer from May 2008 until January 2011. Richardson Executive Vice President, Chief Financial Officer Stephen D.

Avient enabled us to quickly meet our utility customers’ growing demand for improved, customized physical asset protection,” said Dave Lombardo, vice president and general manager, Service Division, Southern States LLC.

With these technologies, we continue to help our customers solve their manufacturing challenges and win competitive advantage in the marketplace,” said Barto Du Plessis, vice president Asia, at PolyOne.

The wire and cable industry is rapidly transforming to meet today’s demands for infrastructure, telecommunications, alternative energy, and more,” said Say-Eng Lee, vice president and general manager, Color and Additives Asia, for Avient.