Exhibit 99.1 Biohaven Reports First Quarter 2024 Financial Results and Recent Business Developments • Cash, cash equivalents, marketable securities and restricted cash totaled approximately $287.6 million on March 31, 2024, which excludes the net proceeds of approximately$247.8 million from Biohaven's public offering completed on April 22, 2024 • Completed public offering of 6,451,220 Biohaven Ltd. common shares, which included the exercise in full of the underwriters' option to purchase additional shares, ...