ATAI Investor Day Presentation Deck

Clinical insights in cognition Clinically and statistically significant signals in learning and memory across multiple studies Phase 1 scopolamine challenge: reverses learning and memory deficits better than donepezil (30 mg TID) Phase 1 PK study: single and multi-dose (1 week) effects on learning (40 mg TID) Phase 2 DPNP pain study: statistically significant effects on learning and memory (40-80 mg TID) Phase 2 DPNP pain study: statistically significant effects on Cognitive and Physical Function Questionnaire (data not shown; 40-80 mg TID) atai LIFE SCIENCES | 32

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