On November 23, 2020, the board of directors of Taysha Gene Therapies, Inc. appointed Drs. Kathleen Reape and Laura Sepp-Lorenzino to serve as directors of the Company. Each of Drs. Reape and Sepp-Lorenzino will serve as a Class III director whose term will expire at the 2023 annual meeting of stockholders. The Board also appointed Dr. Reape to serve as a member of the Nominating and Corporate Governance Committee of the Board (the “Nominating and Corporate Governance Committee”) and Dr. Sepp-Lorenzino to serve as a member of the Audit Committee of the Board. Kathleen Reape served as Chief Medical Officer of Spark Therapeutics, Inc. from September 2018 to March 2020 and as the Head of Clinical Research and Development of Spark from January 2016 to September 2018. Laura Sepp-Lorenzino, Ph.D., has served as Executive Vice President, Chief Scientific Officer of Intellia Therapeutics, Inc. since May 2019.