Corporate News Corporate News Corporate News Francesca Reverberi Appointed to Newly Created Chief Sustainability Officer CORPORATE NEWS Trinseo Reports Fourth Quarter and Full-Year 2025 Financial Results March 13, 2026 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