Harmony Biosciences(HRMY) - 2025 Q3 - Quarterly Results

Exhibit 99.1 HARMONY BIOSCIENCES PREANNOUNCES STRONG Q3 2025 WAKIX PERFORMANCE; RAISES 2025 REVENUE GUIDANCE To participate in the live call by phone, dial 800-274-8461 (domestic) or 203-518-9814 (international), and reference passcode HRMYQ325. The live and replay webcast of the ● WAKIX® (pitolisant) franchise delivered net revenue of approximately $239M in Q3 2025, representing 29% year-over- year revenue growth ● These results were driven by the highest ever quarterly increase in average number of patien ...