Biohaven Pharmaceutical Holding Company Ltd. appointed Irina Antonijevic, M.D., Ph.D., as a director, effective May 1, 2022. Dr. Antonijevic will serve in the class of directors whose term will expire at the Company's 2023 Annual Meeting of Shareholders. There is no arrangement or understanding between Dr. Antonijevic and any other person pursuant to which she was selected as a director of the Company, and there is no family relationship between Dr. Antonijevic and any of the Company's other directors or executive officers.

Since the beginning of the Company's last fiscal year, there are no transactions in which the Company was or is to be a participant and in which Dr. Antonijevic or any member of her immediate family had or will have any interest that are required to be reported under Item 404(a) of Regulation S-K.