公司历史与所有权变更 - 公司前身Styron业务于2010年6月17日被贝恩资本收购[17] - 贝恩资本于2016年通过一系列二级市场发行完全剥离了公司所有权[17] 股东分配政策 - 公司根据卢森堡法律可通过股本偿还或法定利润分配向股东分配现金[18] - 自开始支付股息以来所有分配均被视为卢森堡法律下的股本偿还[18] - 公司预计从2020年起未来分配将从法定利润中支付[18]

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 or Table of Contents ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-36473 Trinseo S.A. (Exact name of registrant as specified in its charter) Luxembourg N/A (State or other ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Luxembourg N/A (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification Number) 1000 Chesterbrook Boulevard Suite 300 Berwyn, PA 19312 (Address of Principal Executive Offices) For the quarterly period ended June 30, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15( ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 or ◻ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES Luxembourg N/A (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification Number) For the transition period from to 1000 Chesterbrook Boulevard Suite 300 Be ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2018 ◻ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-36473 Trinseo S.A. (Exact name of registrant as specified in its charter) Luxembourg N/A (State or other jurisdiction of incorp ...