Key findings from the studies showed: These findings provide important proof-of-concept for Prime Medicine's LNP liver-targeted delivery approach, and support the further advancement of the Company's Prime Editors targeting the p.L348fs and p.G339C mutations in GSD1b, as well as its additional liver-targeted programs. Presentation Details About Prime Medicine Prime Medicine is a leading biotechnology Company dedicated to creating and delivering the next generation of gene editing therapies to patients. The Company is leveraging its proprietary Prime Editing platform, a versatile, precise and efficient gene editing technology, to develop a new class of differentiated, one-time, potentially curative genetic therapies. Designed to make only the right edit at the right position within a gene while minimizing unwanted DNA modifications, Prime Editors have the potential to repair almost all types of genetic mutations and work in many different tissues, organs and cell types.