Precision BioSciences Announces Publication in Nucleic Acids Research Elucidating the Mechanisms for High Efficiency Gene Insertion in Dividing and Non-Dividing Cells Using ARCUS Nucleases

- Publication describes how the unique qualities of ARCUS nucleases contribute to precise and efficient gene editing for gene insertion, single base editing, specific small and large deletions, and replacement of large stretches of genomic DNA - DURHAM, N.C. --(BUSINESS WIRE)--Oct.

Precision BioSciences Announces Opening of First Clinical Trial Site in U.S. for ELIMINATE-B Trial

- Massachusetts General Hospital , Harvard Medical School , actively recruiting chronic hepatitis B patients along with multiple global clinical trial sites - - Phase 1 ELIMINATE-B trial for PBGENE-HBV is progressing and on track to report additional data from higher dose cohorts in 2025 - DURHAM,

Precision BioSciences Announces Late-Breaking Poster Presentation at the 30th Annual International Congress of the World Muscle Society

- Data to highlight latest long-term preclinical efficacy and durability data supporting PBGENE-DMD for the treatment of Duchenne Muscular Dystrophy   - - On track to file an IND and/or CTA by the end of 2025; clinical data anticipated in 2026- DURHAM, N.C. --(BUSINESS WIRE)--Sep.

Precision BioSciences Presents Data from the Phase 1 ELIMINATE-B Trial of PBGENE-HBV at the 6th International Coalition to Eliminate HBV Cure Symposium

DURHAM, N.C. --(BUSINESS WIRE)--Sep. 12, 2025-- 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 that the Company presented

Precision BioSciences Announces U.S. Patent Covering PBGENE-HBV for Chronic Hepatitis B and Updates Program Status

- Strengthens the Company’s intellectual property portfolio for lead in vivo program PBGENE-HBV with U.S. patent protection into 2042- - Phase 1 ELIMINATE-B trial progressing through clinical investigation with dosing of Cohort 3 initiated in Third Quarter of 2025- DURHAM, N.C.

Precision BioSciences Reports Second Quarter 2025 Financial Results and Provides Business Update

- Continued rapid progress with Phase 1 ELIMINATE-B trial evaluating PBGENE-HBV for Hepatitis B; Announced safety and efficacy for Cohort 1 and safety data for Cohort 2 - PBGENE-HBV demonstrated substantial antiviral activity in all Cohort 1 patients, with best responses achieving a 47-69%

Precision BioSciences Announces Phase 1 Safety and Efficacy for Cohort 1, Lowest Dose Level in ELIMINATE-B, a First-In-Human Trial of PBGENE-HBV for Chronic Hepatitis B

- Proof-of-activity now established for PBGENE-HBV, the first and only clinical modality designed to eliminate covalently closed circular DNA (cccDNA) and inactivate integrated DNA, with the goal of complete cure - Cohort 1, the lowest dose cohort (0.2 mg/kg) of ELIMINATE-B, established a safe and

Precision BioSciences to Report Second Quarter 2025 Results on August 7, 2025

DURHAM, N.C. --(BUSINESS WIRE)--Aug. 4, 2025-- 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 diseases with high unmet need, today announced that it will publish

Precision BioSciences Receives FDA Orphan Drug Designation for PBGENE-DMD for the Treatment of Duchenne Muscular Dystrophy

DURHAM, N.C. --(BUSINESS WIRE)--Jul. 23, 2025-- 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 diseases with high unmet need, today announced that the U.S.

Precision BioSciences Highlights New Preclinical Data for PBGENE-DMD Further Supporting Advancement of Novel Gene Editing Approach for the Treatment of Duchenne Muscular Dystrophy Towards Clinic

- New preclinical data for the PBGENE-DMD final clinical candidate demonstrates an increase in dystrophin positive muscle cells across key muscle types, potentially driven by editing of muscle satellite cells - - PBGENE-DMD is a first-in-class in vivo gene editing approach for up to 60% of Duchenne

Precision BioSciences Receives FDA Rare Pediatric Disease Designation for PBGENE-DMD for the Treatment of Duchenne Muscular Dystrophy

DURHAM, N.C. --(BUSINESS WIRE)--Jun. 25, 2025-- 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 diseases with high unmet need, today announced that the U.S.

Precision BioSciences Reports First Quarter 2025 Financial Results and Provides Business Update

- Announced new clinical data for two programs utilizing ARCUS validating safety and efficacy for Precision’s in vivo gene editing approach - Announced initial data from first cohort in the ongoing Phase 1 ELIMINATE-B trial evaluating PBGENE-HBV; initial safety data presented at EASL; ongoing

Precision BioSciences Accelerates Development of PBGENE-DMD Within its Wholly Owned Organic Pipeline and Highlights Pre-clinical Evidence at the American Society of Gene and Cell Therapy (ASGCT) Annual Meeting

- PBGENE-DMD is a first-in-class in vivo gene editing approach for the majority of Duchenne Muscular Dystrophy patients impacted by dystrophin mutations in the most common ‘hot spot’ region between exons 45-55 - - Final clinical candidate PBGENE-DMD demonstrates compelling preclinical data for

Precision BioSciences to Report First Quarter 2025 Results on May 15, 2025

DURHAM, N.C. --(BUSINESS WIRE)--May 8, 2025-- 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 diseases with high unmet need, today announced that it will publish

Precision BioSciences Announces Presentation of Initial Safety Data from the Phase 1 ELIMINATE-B Trial Evaluating PBGENE-HBV at the 2025 European Association for the Study of the Liver Congress (EASL)

DURHAM, N.C. --(BUSINESS WIRE)--May 7, 2025-- 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 diseases with high unmet need, today announced that it will present initial