PepGen Inc. (NASDAQ:PEPG), a clinical-stage biotechnology company advancing the next generation of oligonucleotide therapies with the goal of transforming the treatment of severe neuromuscular and neurological diseases, today announced that data from its PGN-EDODM1 program will be presented in a poster and late-breaking oral presentation at the 15th International Myotonic Dystrophy Consortium (IDMC-15) being held May 26-30, 2026, in Saguenay, Quebec, Canada. The late-breaking oral presentation will include analyses of individual patient mis-splicing data from the PGN-EDODM1 program, as well as natural history data characterizing mis-splicing in patients with myotonic dystrophy type 1 (DM1).

Ahead of IDMC-15, PepGen's President and Chief Executive Officer, James McArthur, PhD, will present single and initial multiple ascending dose data for PGN-EDODM1 at the 6th Annual Pharma Day, co-hosted by Euro-DyMA and the Myotonic Dystrophy Foundation (MDF), on May 26, 2026, at 11:00–11:20am EDT in Saguenay, Quebec, Canada.