Trinseo PLC

Trinseo PLC is a specialty material solutions provider that partners with companies to develop products. The company's products are used globally in various customer products, including those for building and construction, automotive applications, paper and board, appliances, packaging, textile, and consumer electronics. Trinseo PLC maintains long-standing relationships with a diverse global customer base, many of whom are market leaders. These customers depend on Trinseo PLC for formulation, technological differentiation, and compounding expertise to find sustainable business solutions. While Trinseo PLC's products often represent a small part of a finished product's manufacturing cost, they provide critical functionality and are frequently developed to specific customer requirements. The company continuously develops new and improved products and processes, supported by its intellectual property portfolio and manufacturing know-how, to enhance customer product offerings. Trinseo PLC is an Irish public limited company. Its business was previously wholly owned by The Dow Chemical Company until 2010 when it was sold to investment funds advised or managed by affiliates of Bain Capital Partners, LP. Bain Capital Partners, LP fully divested its ownership in 2016. Trinseo PLC has been listed on the New York Stock Exchange ("NYSE") under the ticker symbol "TSE" since June 2014. On March 2, 2026, the NYSE notified Trinseo PLC of delisting proceedings and immediate suspension of trading in its ordinary shares due to failing to maintain an average market capitalization of at least $15 million over a 30-trading day period.