Day One Biopharmaceuticals pany(DAWN) - 2024 Q1 - Quarterly Results

Exhibit 99.1 Day One Reports First Quarter 2024 Financial Results and Corporate Progress OJEMDA™ (tovorafenib) launch underway following U.S. FDA accelerated approval for relapsed or refractory BRAF-altered Pediatric Low-Grade Glioma (pLGG) First prescriptions received in the U.S. BRISBANE, Calif., May 6, 2024 – Day One Biopharmaceuticals (Nasdaq: DAWN) ("Day One" or the "Company"), a commercial-stage biopharmaceutical company dedicated to developing and commercializing targeted therapies for people of all ...