• Trinseo entered voluntary Chapter 11 in the US Bankruptcy Court for the Southern District of Texas under a pre-packaged restructuring plan.
• Plan targets about $2 billion debt reduction, annual interest expense cut of about $140 million.
• Process backed by lenders holding a majority of senior secured debt; existing lenders expected to receive nearly 100% of reorganized equity.
• Restructuring funded by a fully committed about $158 million debtor-in-possession financing, supported by exit financing.
• General unsecured claims, including trade creditors, vendors, suppliers, expected to be unimpaired; cases limited to certain US affiliates.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Trinseo plc published the original content used to generate this news brief via Business Wire (Ref. ID: 202605260141BIZWIRE_USPR_____20260525_BW073034) on May 26, 2026, and is solely responsible for the information contained therein.