Selecta Biosciences, Inc. announced that on January 4, 2023, Göran A. Ando, M.D., a member of the Board of Directors, notified the Company that he is retiring from the Company's Board effective immediately. Prior to his retirement, Dr. Ando served on the Board's Compensation and Research and Development Committees, and will cease service on each committee in connection with his retirement. Dr. Ando's retirement was not the result of a disagreement with the Company on any matter relating to the Company's operations, policies or practices.