Nyxoah

NYXH

Market cap $137M

REGULATED INFORMATION Publication relating to transparency notification Mont-Saint-Guibert (Belgium), March 13, 2026 , 10:30 pm CET / 5:30 pm ET – In accordance with article 14 of the Law of May 2, 2007 on the disclosure of large shareholdings, Nyxoah SA (Euronext Brussels/Nasdaq: NYXH) announces that it received a transparency notification as detailed below. BNP Paribas Asset Management On March 11, 2026, Nyxoah received a transparency notification from BNP Paribas Asset Management SA.

Nyxoah to Participate in the Oppenheimer 36 th Annual Healthcare MedTech & Services Conference

Nyxoah to Release Fourth Quarter and Full Year 2025 Financial Results on March 19, 2026 Mont-Saint-Guibert, Belgium – March 5 2026, 10:05pm CET / 4:05pm ET – Nyxoah SA (Euronext Brussels/Nasdaq: NYXH) (“Nyxoah” or the “Company”), that develops breakthrough treatment alternatives for Obstructive Sleep Apnea (OSA) through neuromodulation, today announced that the Company will release financial results for the fourth quarter and full year of 2025 on Thursday, March 19, 2026. Company management will host a conference call to discuss financial results that day beginning at 10:30pm CET / 4:30pm ET.

REGULATED INFORMATION Information on the total number of voting rights and shares Mont-Saint-Guibert (Belgium), February 25, 2026 , 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 on February 20, 2026. Share capital: EUR 6,511,048.19 Total number of securities carrying voting rights: 43,662,403 (all ordinary shares) Total number of voting rights (= denominator): 43,662,403 (all relating to ordinary shares) Number of rights to subscribe to securities carrying voting rights not yet issued: 3,416,319 (all granted subscription rights; this number excludes 462,677 subscription rights that were issued but not yet granted) Total number of convertible bonds: 225 convertible bonds with a nominal value of EUR 91,500 per bond Total number of voting rights that can be obtained in case of conversion of all 225 convertible bonds at the current conversion price of EUR 5.00 per share: 4,117,500 * * * Contact: Nyxoah John Landry, CFOIR@nyxoah.com Attachment 2026 02 25 - Press release - Number of shares (ENG)

Nyxoah Announces the Signature of a Memorandum of Understanding with Sheikh Shakhbout Medical City Hospital to Improve OSA Therapy Management and Accelerate Access to Genio in the Middle East

Nyxoah Invests In Further Expanding Its Belgian Manufacturing Capacity To Support Its Worldwide Growth Mont-Saint-Guibert, Belgium – January 21, 2026, 10:05 pm CET / 4:05 pm ET – Nyxoah SA (Euronext Brussels/Nasdaq: NYXH) (“Nyxoah” or the “Company”), a medical technology company that develops breakthrough treatment alternatives for Obstructive Sleep Apnea (OSA) through neuromodulation, today announced an important investment in Belgium to further scale its manufacturing capacity to support its continued growth in the United States and international markets. In addition to its existing contract manufacturing operations in the United States, the Company will expand its manufacturing footprint in Wallonia, reflecting Nyxoah's long-standing relationship with the Belgium life science ecosystem.

Nyxoah SA (NYXH) Presents at 44th Annual J.P. Morgan Healthcare Conference Transcript

REGULATED INFORMATION Publication relating to transparency notification Mont-Saint-Guibert (Belgium), January 12, 2026 , 7:00 am CET / 1:00 am ET – In accordance with article 14 of the Law of May 2, 2007 on the disclosure of large shareholdings, Nyxoah SA (Euronext Brussels/Nasdaq: NYXH) announces that it received a transparency notification as detailed below. BNP Paribas Asset Management On January 8, 2026, Nyxoah received a transparency notification from BNP Paribas Asset Management SA.

Nyxoah Announces Issuance of First Tranche of Convertible Bonds Mont-Saint-Guibert, Belgium – December 19, 2025, 10:05pm CET / 4:05pm ET – Nyxoah SA (Euronext Brussels/Nasdaq: NYXH) (“Nyxoah” or the “Company”), a medical technology company focused on the development and commercialization of innovative solutions to treat Obstructive Sleep Apnea (OSA) through neuromodulation, today announced the issuance of the first tranche of the convertible bond financing entered into with an entity managed by Heights Capital Management (“HCM”) of up to €45 million, as previously announced by the Company on November 13, 2025. Closing of the first tranche of the convertible bonds' issuance On December 18, 2025, the Company issued the first tranche of convertible bonds for a nominal amount of €22.5 million under the subscription agreement entered into with HCM on November 13, 2025, as amended and restated on December 16, 2025.

Nyxoah Announces Commercial Launch of Genio® Breakthrough Therapy  in the Netherlands First Genio implants successfully performed at OLVG West and Zuyderland hospitals