Trinseo S.A. Announces the Appointment of Frank A. Bozich as its President and Chief Executive Officer, Effective Effective March 4, 2019

Trinseo S.A. announced that Frank A. Bozich has been named the company's President and Chief Executive Officer, effective March 4, 2019. Since May 2013, Mr. Bozich has been the President and Chief Executive Officer at the SI Group Inc.