TSHA -102 Rett Syndrome program Update: Longer -term Results from REVEAL Phase 1/2 trials June 2026 1 Legal disclosure FORWARD LOOKING STATEMENTS This presentation contains forward-looking statements that involve substantial risks and uncertainties. All statements, other than statements of historical facts, contained in this presentation, including statements regarding the potential of TSHA-102, the durability and reproducibility of the clinical data from the REVEAL trials, the anticipated Part B trial desi ...