Exhibit 99.1 REGULATED INFOMATION Publication relating to transparency notifications Mont-Saint-Guibert (Belgium), April 20, 2023, 10.30pm CET / 4.30pm ET – In accordance with article 14 of the Act of 2 May 2007 on the disclosure of large shareholdings, Nyxoah SA (Euronext Brussels/Nasdaq: NYXH) announces that it received two transparency notifications as detailed below. Together Partnership On April 18, 2023, Nyxoah received a transparency notification from Together Partnership following the crossing of th ...

Nyxoah S.A. (NASDAQ:NYXH) Q4 2022 Earnings Conference Call March 22, 2023 4:30 PM ET Company Participants Olivier Taelman - Chief Executive Officer Loïc Moreau - Chief Financial Officer Conference Call Participants Adam Maeder - PSC Jon Block - Stifel Suraj Kalia - Oppenheimer Operator Thank you for standing by. And welcome to the Nyxoah Fourth Quarter 2022 Earnings Conference Call. At this time, all participants are in a listen-only mode. After the speakers’ presentation, there will be a question-and-answe ...

Table of Contents As filed with the Securities and Exchange Commission on March 22, 2023 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transiti ...

Exhibit 99.1 REGULATED INFORMATION Nyxoah Reports Fourth Quarter and Full Year 2022 Financial and Operating Results Completed all 115 implants in the DREAM U.S. pivotal study Mont-Saint-Guibert, Belgium – March 22, 2023 09:05pm 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), today reported financial and operating results for t ...

Nyxoah S.A. (NASDAQ:NYXH) Q3 2022 Results Earnings Conference Call November 8, 2022 4:30 PM ET Company Participants Jeremy Feffer - Vice President, Investor Relations Olivier Taelman - Chief Executive Officer Loïc Moreau - Chief Financial Officer Conference Call Participants Simran Kaur - Piper Sandler Jonathan Block - Stifel Nicolaus Ross Osborn - Cantor Fitzgerald Operator Good day. And thank you for standing by. Welcome to the Nyxoah Third Quarter 2022 Conference Call. [Operator Instructions] Please be a ...

Nyxoah S.A. (NASDAQ:NYXH) Q2 2022 Results Conference Call August 8, 2022 4:30 PM ET Â Company Participants Jeremy Feffer - VP, IR Olivier Taelman - CEO Loic Moreau - CFO Conference Call Participants Ross Osborn - Cantor Fitzgerald Simran Kaur - Piper Sandler Suraj Kalia - OpCo Operator Good day, and thank you for standing by. Welcome to the Nyxoah Second Quarter '22 Conference Call. [Operator Instructions] Please be advised, todayÂ's conference is being recorded. I would like to hand the conference call to ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _______________________ to _____________________________ ...

Exhibit 99.1 REGULATED INFORMATION Mont-Saint-Guibert, Belgium – March 24, 2022, 9:30pm CET / 4:30pm 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), today reported financial and operating results for the full year ending December 31, 2021. Full Year 2021 Operational and Financial Highlights "2021 was a very strong year for Nyxoah. I am pro ...