Celcuity Announces Clinically Meaningful Improvement in Both Progression-Free Survival (“PFS”) Primary Endpoints from PIK3CA Wild-Type Cohort of Phase 3 VIKTORIA-1 Trial

Hazard Ratios and Improvements in Median PFS areUnprecedented in HR+/HER2- Advanced Breast Cancer (“ABC”)

• Gedatolisib + palbociclib + fulvestrant (“gedatolisib triplet”) reduced the risk of disease progression or death by 76% vs. fulvestrant (HR=0.24; 95% CI: 0.17–0.35; p