TScan Therapeutics, Inc.'s Board of Directors appointed Barbara Klencke to the Audit Committee and Gabriela Gruia to the Nominating and Corporate Governance Committee, in each case to replace Ittai Harel, effective as of June 13, 2023. Effective as of June 13, 2023, Timothy Barberich will no longer serve in the Audit Committee, the Compensation Committee and the Nominating and Corporate Governance Committee, but he will continue in his position as a Class I Director and Chair of the Board of Directors. To fill in the vacancies created by Mr. Barberich's no longer serving in these committees, the Company's Board of Directors also appointed Gabriela Gruia to the Audit Committee, Barbara Klencke to the Compensation Committee and Katina Dorton to the Nominating and Corporate Governance Committee, in each case to replace Timothy Barberich, effective as of June 13, 2023.