GlobeNewswire Inc | Oct 29, 2021 04:30PM EDT

October 29, 2021

REGULATED INFORMATION

Information on the total number of voting rights and shares

Mont-Saint-Guibert(Belgium),October 29, 2021, 10:30 pm CET / 4:30 pm ET Inaccordancewitharticle15of 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 exercise of subscription rights and the issue of new shares.

-- Share capital: EUR 4,407,612.69 -- Total number of securities carrying voting rights: 25,657,359 (all ordinary shares) -- Total number of voting rights (= denominator): 25,657,359 (all relating to ordinary shares) -- Number of rights to subscribe to securities carrying voting rights not yet issued:

-- 90 2013 ESOP Warrants issued on May 3, 2013 and 23 December 2014, entitling their holders to subscribe to a total number of 45,000 securities carrying voting rights (all ordinary shares);205 2016 ESOP Warrants issued on November 3, 2016, entitling their holders to subscribe to a total number of 102,500 securities carrying voting rights (all ordinary shares);100 2018 ESOP Warrants issued on December 12, 2018, entitling their holders to subscribe to a total number of 50,000 securities carrying voting rights (all ordinary shares);510,500 2020 ESOP Warrants issued on February 21, 2020, entitling their holders to subscribe to a total number of 510,500 securities carrying voting rights (all ordinary shares); and1,400,000 2021 ESOP Warrants issued on September 8, 2021, entitling their holders to subscribe to a total number of 1,400,000 securities carrying voting rights (all ordinary shares).

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For further information, please contact:

NyxoahJeremy Feffer, VP IR and Corporate Communicationsjeremy.feffer@nyxoah.com+1 917 749 1494

Gilmartin GroupVivian CervantesIR@nyxoah.com

Attachment

-- 2021 10 29 - Press release - Number of shares (ENG) (final)