On December 19, 2022, the Board of Directors of MacroGenics, Inc. approved the appointment of Margaret Liu, M.D. to serve as a director on the Board, effective January 3, 2023 (the “Effective Date”). Dr. Liu has been designated as a Class II director to hold office until the Company’s 2024 Annual Meeting of Stockholders, or until her successor has been duly elected and qualified, or until her earlier death, resignation or removal. Dr. Liu has been appointed to the Science & Technology Committee, effective as of the Effective Date.