INSIDE INFORMATION REGULATED INFORMATION Nyxoah Announces CE-Mark Indication Approval to Treat Complete Concentric Collapse (CCC) Patients Notified Body DEKRA approves IFU changes to remove warning regarding CCC patients Mont-Saint-Guibert, Belgium – October 4, 2021, 10:30pm CET / 4:30pm ET – Nyxoah SA (Euronext Brussels/Nasdaq: NYXH) (“Nyxoah” or the “Company”), a medical technology