Effective December 30, 2022 (the Resignation Date), James Sulat and Bali Muralidhar, M.D., Ph.D. each resigned from the Board of Directors of Exicure, Inc. (the Company). Effective as of the Resignation Date, Mr. Sulat resigned from the Audit Committee and Nominating and Corporate Governance Committee of the Board, and Dr. Muralidhar resigned from the Audit Committee, Compensation Committee and Nominating and Corporate Governance Committee of the Board. Appointment of Jiyoung Hwang to the Board of Directors.