– Leadership updates come as Precision advances its lead programs, PBGENE-HBV for chronic hepatitis B and PBGENE-DMD for Duchenne muscular dystrophy –

Precision BioSciences, Inc. (NASDAQ:DTIL), a clinical stage gene editing company utilizing its novel proprietary ARCUS® platform to develop in vivo gene editing therapies for high unmet need diseases, today announced changes to its senior leadership team. Alex Kelly, currently Chief Financial Officer, has been promoted to the newly created role of Chief Operating Officer where he will oversee all key customer-facing functions. Naresh Tanna, currently Vice President of Investor Relations and Chief of Staff to the CEO, has been promoted to Chief Financial Officer where he will oversee corporate finance, reporting and investor relations. These two leadership changes will take effect beginning August 1, 2026. Cindy Atwell, Chief Development Officer, continues to lead clinical development across both of the Company’s clinical stage programs, PBGENE-HBV and PBGENE-DMD. To further support the development of two clinical stage programs, the Company has hired two new physician leaders under Ms. Atwell with proven expertise in infectious diseases and muscular dystrophy. In addition, Cassie Gorsuch, PhD, Chief Scientific Officer, now leads all research functions, including clinical stage translational sciences and next generation programs.