Exhibit 99.1 Prime Medicine Reports First Quarter 2024 Financial Results and Provides Business Updates -- Announced FDA clearance of first-ever IND application for a Prime Editing product, PM359, for the treatment of CGD; initial data from planned Phase 1/2 clinical trial expected in 2025 -- -- Presented new preclinical data demonstrating broad potential of Prime Editing technology at LNP Formulation and Process Development Summit and ASGCT 2024 -- -- Appointed Tony Coles, M.D. as senior advisor -- Cambridg ...