On November 29, 2023, in connection with the previously announced planned liquidation and dissolution of the Company, Jeffrey Humphrey, M.D., notified the board of directors of Cyteir Therapeutics, Inc. of his resignation from the board of directors and all of its committees, effective immediately. The resignation is not a result of any disagreement between Dr. Humphrey and the Company. On December 4, 2023, Racquel Bracken also notified the board of directors of the Company of her resignation from the board of directors and all of its committees, effective immediately.

The resignation is not a result of any disagreement between Ms. Bracken and the Company.