{"url_path":"/sec/tseof/8-k/2026-05-14/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 **","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-14","source_url":"https://www.sec.gov/Archives/edgar/data/1519061/0001104659-26-060590-index.html","accession_number":"0001104659-26-060590","cik":"0001519061","ticker":"TSEOQ","issuer_name":"Trinseo PLC","edgar_url":"https://www.sec.gov/Archives/edgar/data/1519061/0001104659-26-060590-index.html","primary_entity_key":"0001519061","primary_entity_name":"Trinseo PLC"},"word_count":242,"has_tables":true,"body_markdown":"**ITEM 9.01**\n**Exhibits.**\n\n \n \n\n[10.1+](tm2614481d1_ex10-1.htm)\n[Restructuring Support Agreement, dated as of May 13,\n2026, by and among Trinseo PLC, certain of its subsidiaries and affiliates party thereto, and the Supporting Creditors party thereto](tm2614481d1_ex10-1.htm)\n\n[10.2](tm2614481d1_ex10-2.htm)\n[Third Amendment, dated as of May 13, 2026, to\nthe Credit Agreement dated as of January 17, 2025, by and among Trinseo Luxco S.à r.l., Trinseo Holding S.à r.l.,\nTrinseo Materials Finance, Inc., Trinseo Ireland Global IHB Limited, Trinseo Services Ireland Limited, Deutsche Bank AG New\nYork Branch, as administrative agent, and the lenders party thereto](tm2614481d1_ex10-2.htm)\n\n[10.3](tm2614481d1_ex10-3.htm)\n[Second Amendment, dated as of May 13, 2026, to\nthe Credit Agreement dated as of September 6, 2017, by and among Trinseo Luxco S.à r.l., Trinseo Holding S.à r.l.,\nTrinseo Materials Finance, Inc., and the lenders party thereto](tm2614481d1_ex10-3.htm)\n\n[99.1](tm2614481d1_ex99-1.htm)\n[Press Release, dated May 13,\n2026](tm2614481d1_ex99-1.htm)\n\n[99.2](tm2614481d1_ex99-2.htm)\n[Cleansing Material](tm2614481d1_ex99-2.htm)\n\n104\nCover Page Interactive Data File (formatted in\nInline XBRL and contained in Exhibit 101)\n\n \n\n+ Portions of this exhibit (indicated by asterisks) have been omitted\nin accordance with Item 601(b)(10)(iv) of Regulation S-K because they are both not material and are the type that the Registrant treats\nas private or confidential.\n\n \n\n \n\n \n\n \n\n**SIGNATURE**\n\n \n\nPursuant to the requirements of the Securities\nExchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.\n\n \n\n \n**TRINSEO PLC**\n\n \n \n \n\n \nBy:\n/s/ David Stasse\n\n \nName:\nDavid Stasse\n\n \nTitle:\nExecutive Vice President and Chief Financial Officer\n\n \n \n \n\nDate:  May 13, 2026"}