Solid Biosciences Provides 2026 Outlook Underscoring Neuromuscular and Cardiac Pipeline Momentum and Expanded Access to Next-Generation Capsid AAV-SLB101

• Duchenne: Dosed 33 participants in the Phase 1/2 INSPIRE DUCHENNE clinical trial as of January 9, 2026; SGT-003 continues to be generally well tolerated using a steroid-only prophylactic immunomodulation regimen - - Duchenne: First participant enrolled in IMPACT DUCHENNE, a Phase 3 randomized, double-blind, placebo-controlled, ex-U.S. clinical trial, with dosing expected in Q1 2026 - - FA: First participant dosed in Phase 1b FALCON clinical trial; FDA Orphan Drug designation granted to SGT-212, the only d ...