atai Life Sciences Reports First Quarter 2025 Financial Results and Recent Corporate Updates Exhibit 99.1 With clinical momentum across its pipeline, atai strengthens its position as a leader in potentially transformative psychedelic mental health treatments Cash, cash equivalents, short-term securities, and public equity holdings expected to fund operations into 2027 NEW YORK and BERLIN, May 14, 2025 – atai Life Sciences (NASDAQ: ATAI) ("atai" or "Company"), a clinical-stage biopharmaceutical company on a ...