Exhibit 99.1 Wave Life Sciences Reports Fourth Quarter and Full Year 2023 Financial Results and Provides Business Update INHBE lead clinical candidate selected; potential best-in-class treatment for obesity with potent and durable silencing, weight loss with no loss of muscle mass, reduction of visceral fat, and every-six-month or annual subcutaneous dosing; clinical trial initiation expected 1Q 2025 Dose escalation ongoing in RestorAATion-1 clinical trial of WVE-006, industry’s first-ever RNA editing candi ...