Bragar Eagel & Squire, P.C., a nationally recognized stockholder rights law firm, announces that a class action lawsuit has been filed against Trinseo PLC (“Trinseo” or the “Company”) (NYSE: TSE) in the United States District Court for the Eastern District of Pennsylvania on behalf of all persons and entities who purchased or otherwise acquired Trinseo securities between May 3, 2021 and March 27, 2023, both dates inclusive (the “Class Period”). Investors have until June 20, 2023 to apply to the Court to be appointed as lead plaintiff in the lawsuit.

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According to the lawsuit, defendants throughout the Class Period made false and/or misleading statements and/or failed to disclose, among other things, that: (1) the Company’s Bristol, Pennsylvania plant had a troubled safety record while under prior ownership and continued to be unsafe after the Company acquired it; (2) Defendants did not sufficiently disclose specific risks related to conducting operations at that plant; (3) Operating a chemical plant with an unsafe history and presently unsafe operations exposed the Company to a heightened risk of a chemical spill or other adverse event; and (4) as a result, Defendants’ statements about its business, operations, and prospects, were materially false and misleading and/or lacked a reasonable basis at all times. When the true details entered the market, the lawsuit claims that investors suffered damages.

If you purchased or otherwise acquired Trinseo shares and suffered a loss, are a long-term stockholder, have information, would like to learn more about these claims, or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact Brandon Walker or Melissa Fortunato by email at investigations@bespc.com, telephone at (212) 355-4648, or by filling out this contact form. There is no cost or obligation to you.

About Bragar Eagel & Squire, P.C.:

Bragar Eagel & Squire, P.C. is a nationally recognized law firm with offices in New York, California, and South Carolina. The firm represents individual and institutional investors in commercial, securities, derivative, and other complex litigation in state and federal courts across the country. For more information about the firm, please visit www.bespc.com. Attorney advertising. Prior results do not guarantee similar outcomes.

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