Inclusion in U.S. CRSP® benchmark indices triggers mandatory position-building by passive index funds tracking more than $3 trillion in AUM, including the world's largest mutual fund Expands market presence across the S&P Total Market Index, covering virtually all U.S.-listed equities, and the S&P Completion Index, which represents approximately 3,000 mid-, small-, and micro-cap companies not included in the S&P 500® Continues a series of index inclusions across the U.S. equity benchmark landscape, reflecting AtaiBeckley's enhanced eligibility following its U.S. re-domiciliation and building on its addition to the Nasdaq Biotechnology Index in December 2025 NEW YORK, March 24, 2026 (GLOBE NEWSWIRE) -- AtaiBeckley Inc. (NASDAQ: ATAI) (“AtaiBeckley” or “Company”), a clinical-stage biotechnology company on a mission to transform patient outcomes by developing rapid-acting, durable and convenient mental health treatments, today announced its addition to the S&P Total Market Index, the S&P Completion Index and CRSP® U.S. benchmark indices, effective March 23, 2026. BPL-003 Phase 3 program remains on track to initiate in Q2 2026, and topline data from the VLS-01 Phase 2b study are expected in H2 2026.