Exicure, Inc.® announced that Brian C. Bock has submitted his resignation as President and member of the Board of Directors to pursue a new opportunity. Effective February 4, 2022, Mr. Bock will transition into an advisory role with the Company and will serve as Special Advisor to the Chief Executive Officer to assist during a transition period. The Board has appointed Matthias Schroff, Ph.D., Exicure's current Chief Scientific Officer, to succeed Mr. Bock effective February 4, 2022.

Additionally, Dr. Schroff was appointed as a member of the Company's Board of Directors to fill the vacancy resulting from Mr. Bock's resignation from the Board. The Company also announced that Andrew (Andy) Sassine, a Board member and a member of the Audit Committee, has tendered his resignation to step down from the Board as of February 3, 2022. Timothy P. Walbert, who currently serves as Exicure's Chair of the Board, and Bosun Hau, a Board member and Compensation Committee Chair, have each tendered their resignations to step down from the Board, effective February 4, 2022.

The Board has appointed Betsy Garofalo, M.D. to succeed Mr. Walbert as Chair of the Board and to serve on the Compensation Committee of the Board of Directors to fill the vacancy on the Compensation Committee resulting from Mr. Hau's resignation from the Board. The Board also appointed Jeffrey L. Cleland, Ph.D. to serve as the Chair of the Compensation Committee following Mr. Hau's resignation, and appointed Bali Muralidhar, M.D., Ph.D. to serve as a member of the Audit Committee following Mr. Sassine's resignation.