Exhibit 99.1 Biohaven Reports Second Quarter 2025 Financial Results and Recent Business Developments NEW HAVEN, Conn., August 11, 2025 /PRNewswire/ – Biohaven Ltd. (NYSE: BHVN) (Biohaven or the Company), a global clinical-stage biopharmaceutical company focused on the discovery, development and commercialization of life- changing therapies to treat a broad range of rare and common diseases, today reported financial results for the second quarter ended June 30, 2025, and provided a review of recent accomplis ...