REGULATED INFORMATION

Information on the total number of voting rights and shares

Mont-Saint-Guibert (Belgium), August 29, 2025, 10:30 pm CET / 4:30 pm ET – In accordance with article  15 of the Law of 2 May 2007 on the disclosure of large shareholdings, Nyxoah SA (Euronext Brussels and Nasdaq: NYXH) publishes the below information following the issue of new shares.

• Share capital: EUR 6,449,871.98
• Total number of securities carrying voting rights: 37,544,782 (all ordinary shares)
• Total number of voting rights (= denominator): 37,544,782 (all relating to ordinary shares)
• Number of rights to subscribe to securities carrying voting rights not yet issued: 2,775,566 (all granted subscription rights; this number excludes 493,057 subscription rights that were issued but not yet granted)

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Contact:
Nyxoah
John Landry, CFO
IR@nyxoah.com

Attachment

• 2025 08 29 - Press release - Number of shares (ENG)