On March 16, 2023, Michael C. Dugan, M.D., the Senior Vice President, Chief Medical Officer and Medical Director of Biocept, Inc. (the “Company”), was terminated, effective March 17, 2023. Effective March 17, 2023, the Company has promoted its Associate Medical Director, Nathaniel Sweed, M.D., to Medical Director. The Company has also designated a new laboratory medical director of the Company's CLIA-certified, CAP-accredited clinical laboratory in San Diego, California.