On January 9, 2020, Jingrong Jean Cui, Ph.D. notified Turning Point Therapeutics, Inc. of her decision to step down as the company’s Chief Scientific Officer, effective as of January 31, 2020. During the period prior to the Separation Date, Dr. Cui will remain as Chief Scientific Officer. Dr. Cui will also continue to serve as a member of the Board of Directors of the Company until the Company’s 2020 Annual Meeting of Stockholders and will not stand for re-election at such meeting.