Nyxoah SA

Major Shareholding Notification • Jul 14, 2021

2) Issuer

² +

⁰ +

1) Status of the notification

	Final
	Name NYXOAH
Identification number 0817-149-675

3) Reason for the notification

Acquisition or disposal of voting securities or voting rights

4) Notification by

A parent undertaking or a controlling person

5) Persons subject to the notification requirement

Name	Address (for legal entities)
James E. Flynn	N/A
Deerfield Partners, L.P.	345 Park Ave S, 12th FL, New York, NY 10010 United States
Deerfield Mgmt, L.P.	345 Park Ave S, 12th FL, New York, NY 10010 United States
J.E. Flynn Capital, LLC	345 Park Ave S, 12th FL, New York, NY 10010 United States
Deerfield Management Company, L.P.	345 Park Ave S, 12th FL, New York, NY 10010 United States
Flynn Management LLC	345 Park Ave S, 12th FL, New York, NY 10010 United States

6) Persons that dispose of voting rights (only to be filled in if art. 7 of the Law applies)

A) Voting rights	Previous notification After the transaction
	# of voting rights		# of voting rights		% of voting rights
Holders of voting rights		Linked to securities	Not linked to the securities	Linked to securities	Not linked to the securities	S
James E. Flynn		0	0	0.00%	0.00%	1

	TOTAL Start with "groups" of holders. Add subtotals with , and then finish with the persons who are "alone".	899,300	0	3.60%	0.00%
Subtotal		899,300		3.60%		S
Deerfield Partners, L.P.		899,300	0	3.60%	0.00%	1

For groups, start with the ultimate controlling natural person or legal entity. The totals, subtotals and % will be updated once you have clicked on .

B) Equivalent financial instruments	After the transaction
Holders of equivalent financial instruments	Type of financial instrument		Expiration date Exercise period or date	# of voting rights that may be acquired if the instrument is exercised	% of voting rights	Settlement
							+
TOTAL			0	0.00%

The totals will be updated once you have clicked on

TOTAL (A & B)		# of voting rights % of voting rights
	CALCULATE	899,300	3.60%

11) Full chain of controlled undertakings through which the holding is effectively held, if applicable

Deerfield Partners, L.P. is controlled by (i) Deerfield Mgmt L.P., which is controlled by J.E. Flynn Capital, LLC and (ii) Deerfield Management Company, L.P., which is controlled by Flynn Management LLC. Both Flynn Management LLC and J.E. Flynn Capital, LLC are controlled by James E. Flynn.

12) In case of proxy voting for only one GM

				(DD/MM/YYYY)
Holder	will cease to hold / will hold again	0	voting rights as of

13) Additional information

	Done at New York, New York, USA
On		12/07/2021 (DD/MM/YYYY)
	Name & capacity David J. Clark, Authorized Signatory		Signature