Corporate News Corporate News Corporate News Trinseo Provides Third Quarter 2022 Expected Results and Potential Profitability Initiatives CORPORATE NEWS Trinseo’s Depolymerization Plant Earns ISO 9001 Certification February 19, 2026 CORPORATE NEWS Celebrating Trinseo’s 2025 Triple Zero Recipients January 12, 2026 CORPORATE NEWS Trinseo Presents at Advanced Recycling Conference 2025 December 17, 2025