On April 7, 2023, Kronos Bio, Inc. appointed Katherine Vega Stultz to Board of Directors (the “Board”) as a Class II director with a term ending at annual meeting of stockholders to be held in 2025. Ms. Stultz's appointment to the Board became effective on April 10, 2023. On May 26, 2023, Ms. Stultz was appointed as a member of the Audit Committee and of the Compensation Committee of the Board.