Phathom Pharmaceuticals(PHAT) - 2024 Q3 - Quarterly Results

Exhibit 99.1 Phathom Pharmaceuticals Reports Third Quarter 2024 Financial Results and Provides Business Updates • Net revenues of $16.4 million reported for the third quarter 2024 compared to $7.3 million in the second quarter 2024, over 120% sequential quarterly increase • Over 143,000 prescriptions filled for VOQUEZNA® (vonoprazan) products, launch to date, a 138% increase since last quarterly report • Commercial access for VOQUEZNA tablets expanded, now covering over 80% of U.S. commercial lives • Manage ...