Exhibit 99.1 Soleno Therapeutics Provides Corporate Update and Reports Fourth Quarter and Full-Year 2023 Financial Results REDWOOD CITY, Calif., March 6, 2024 – Soleno Therapeutics, Inc. (Soleno) (NASDAQ: SLNO), a clinical-stage biopharmaceutical company developing novel therapeutics for the treatment of rare diseases, today provided a corporate update, and reported financial results for the fourth quarter and full-year ended December 31, 2023. Full Year 2023 and Recent Corporate Highlights • Announced posi ...