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 the 10% threshold by Together Partnership on March 30, 2023. As of such date, Together Partnership held 2,948,285 shares, representing 10.42% of the total number of voting rights on March 30, 2023 (28,286,985).

The notification dated April 17, 2023 contains the following information:

• Reason for the notification: acquisition or disposal of voting securities or voting rights
• Notification by: a person that notifies alone
• Persons subject to the notification requirement: Together Partnership (with address at Van Putlei 31, 2018 Antwerp)
• Date on which the threshold was crossed: March 30, 2023
• Threshold that is crossed: 10%
• Denominator: 28,286,985
• Notified details:

• Chain of controlled undertakings through which the holding is effectively held: Together Partnership is not a controlled entity.

ResMed Inc.

On April 18, 2023, Nyxoah received a transparency notification from ResMed Inc. following the crossing of the 5% threshold by ResMed Inc. on March 30, 2023. As of such date, ResMed Inc. held 1,499,756 shares, representing 5.30% of the total number of voting rights on March 30, 2023 (28,286,985).

The notification dated April 16, 2023 contains the following information:

• Reason for the notification: acquisition or disposal of voting securities or voting rights
• Notification by: a person that notifies alone
• Persons subject to the notification requirement: ResMed Inc. (with address at 9001 Spectrum Center Boulevard, San Diego, CA 92123, USA)
• Date on which the threshold was crossed: March 30, 2023
• Threshold that is crossed: 5%
• Denominator: 28,286,985
• Notified details:

• Chain of controlled undertakings through which the holding is effectively held: No indirect holding of voting securities. ResMed Inc. is not a controlled entity.

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Contact:
Nyxoah
David DeMartino, Chief Strategy Officer
david.demartino@nyxoah.com
+1 310 310 1313

Attachment

• ENGLISH_PR Transparency notifications FINAL

GLOBENEWSWIRE (Distribution ID 1000805225)

PRESS RELEASE

REGULATED INFORMATION

Publication relating to transparency notifications

Mont–Saint–Guibert (Belgium), September 1, 2021, 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.

Robelga SRL / Robert Taub

On August 27, 2021, Nyxoah received a transparency notification from Robelga SRL following the passive downward crossing by Robelga SRL of the 3% threshold on July 7, 2021. As of such date, Robelga SRL held 696,000 shares, representing 2.78% of the total number of voting rights on July 7, 2021 (25,002,609).

The notification dated August 27, 2021 contains the following information:

• • Reason for the notification: passive crossing of a threshold
  • Notification by: a parent undertaking or a controlling person
  • Persons subject to the notification requirement: Robelga SRL (with address at Avenue Blcher 63, 1180 Uccle), BMI Estate (with address at Avenue Blcher 63, 1180 Uccle) and Robert Taub
  • Date on which the threshold was crossed: July 7, 2021
  • Threshold that is crossed: 3%
  • Denominator: 25,002,609
  • Notified details:

• • Chain of controlled undertakings through which the holding is effectively held: Robelga SRL is 100% owned by BMI Estate (a partnership (socit simple) without legal personality). Robert Taub has 100% usufruct and Robert Taub's children have 100% bare ownership of BMI Estate.
  • Additional information:

1. On 23 June 2021, MINV SA (former shareholder) was absorbed (merger by absorption) by Robelga SRL.

2. The participation of Robelga SRL passed below the 3% threshold. The participation of the group Robelga SRL and Robert Taub stays above the 10% threshold.

3. BMI Estate is the new name of Romata (mistakenly referred to as “Ronata” in the previous transparency notification).

Together Partnership

On August 27, 2021, Nyxoah received a transparency notification from Together Partnership following the passive downward crossing of the 10% threshold on July 9, 2021. As of such date, Together held 2,503,500 shares, representing 9.84% of the total number of voting rights on July 9, 2021 (25,437,859).

The notification dated August 27, 2021 contains the following information:

• • Reason for the notification: passive crossing of a threshold
  • Notification by: a person notifying alone
  • Person subject to the notification requirement: Together Partnership (with address at Uitbreidingstraat 10–16, 2600 Berchem)
  • Date on which the threshold was crossed: July 9, 2021
  • Threshold that is crossed: 10%
  • Denominator: 25,437,859
  • Notified details:

• • Chain of controlled undertakings through which the holding is effectively held: Together Partnership is not a controlled entity.

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Contact:

Nyxoah
Fabian Suarez, Chief Financial Officer
fabian.suarez@nyxoah.com
+32 10 22 24 55

Attachment

• 2021 09 01 PR Transparency notifications 2021 08 (Together Robelga Taub) (ENG)

GLOBENEWSWIRE (Distribution ID 1000544893)