Exhibit 99.1 Biomea Fusion Reports Fourth Quarter and Full Year 2023 Financial Results and Corporate Highlights • In 2023, reported Phase 2 data (COVALENT-111) in type 2 diabetes patients supporting the disease-modifying potential of BMF-219 to address a root cause of diabetes: a loss of healthy, insulin-producing beta cells. o After just a 4-week treatment period in type 2 diabetes patients, who had previously failed standard of care (HbA1c > 7.0% and < 10%), BMF-219 demonstrated continued glycemic control ...