1 Trademark of Trinseo PLC or its affiliates Second Quarter 2025 Financial Results & Full Year 2025 Outlook Introductions & Disclosure Rules August 6, 2025 Introductions • Bee van Kessel, Senior Vice President, Corporate Finance & Investor Relations Disclosure Rules This presentation may contain forward-looking statements including, without limitation, statements concerning plans, objectives, goals, projections, forecasts, strategies, future events or performance, and underlying assumptions and other statem ...