On June 22, 2024, Russell Medford, Joseph Thomis, and James Xu resigned, effective immediately, from their positions as members of the Board of Directors of ThermoGenesis Holdings, Inc. At the time of his resignation, Dr. Medford served as the Chairman of the Governance and Nominating Committee, the Chairman of the Audit Committee, and a member of the Compensation Committee. At the time of his resignation, Dr. Thomis served as the Chairman of the Compensation Committee, a member of the Governance and Nominating Committee, and a member of the Audit Committee. At the time of his resignation, Mr. James Xu served as a member of the Governance and Nominating Committee.