Exhibit 99.1 AtaiBeckley Reports Third Quarter 2025 Financial Results and Recent Corporate Highlights AtaiBeckley solidifies position as a global leader in transformative mental health therapies with a short psychedelic duration NEW YORK and AMSTERDAM, November 12, 2025 – Atai Beckley N.V. (NASDAQ: ATAI) ("AtaiBeckley" or "Company"), a clinical-stage biopharmaceutical company on a mission to transform patient outcomes by developing effective, rapid-acting and convenient mental health treatments, today annou ...