Exhibit 99.1 Inozyme Pharma Reports First Quarter 2024 Financial Results and Provides Business Highlights - Interim data from SEAPORT-1, a Phase 1 trial of INZ-701 in patients with end-stage kidney disease receiving hemodialysis, on track for fourth quarter of 2024 - - Interim data from ENERGY-1, a Phase 1b trial of INZ-701 in infants with ENPP1 Deficiency, on track for second half of 2024 - - Cash, cash equivalents, and short-term investments as of March 31, 2024 expected to fund operations into the fourth ...