Oxurion NV — Major Shareholding Notification 2025

May 15, 2025

Oxurion ontvangt transparantiekennisgevingen van Atlas Special Opportunities II LLC

Leuven, BELGIË – 1 5 m e i 2025 – 18u00 CET Oxurion NV (Euronext Brussel: OXUR), een biofarmaceutisch bedrijf met hoofdkantoor in Leuven, België, heeft vandaag aangekondigd dat het, in overeenstemming met de Belgische transparantiewetgeving¹ , de volgende transparantiekennisgevingen heeft ontvangen:

Oxurion ontving een transparantiekennisgeving op 15 mei 2025 van Atlas Special Opportunities II LLC waaruit blijkt dat het op 8 mei 2025 202.731 aandelen van de toen uitstaande 4.634.663 aandelen bezat en dus onder de drempel (5%) kwam door de verkoop van stemrechtverlenende effecten.

Oxurion ontving een transparantiekennisgeving op 15 mei 2025 van Atlas Special Opportunities II LLC waaruit blijkt dat het op 12 mei 2025 1.724.103 aandelen van de toen uitstaande 6.156.035 aandelen bezat en dus boven de drempel (25%) kwam door de aankoop van stemrechtverlenende effecten.

Over Oxurion

Oxurion (Euronext Brussel: OXUR) houdt zich bezig met de ontwikkeling van de volgende generatie standaard oftalmologische therapieën voor de behandeling van netvliesaandoeningen. Oxurion is gevestigd in Leuven, België. Meer informatie is beschikbaar op www.oxurion.com.

Belangrijke informatie over toekomstgerichte verklaringen

Bepaalde verklaringen in dit persbericht kunnen als "toekomstgericht" worden beschouwd. Dergelijke toekomstgerichte verklaringen zijn gebaseerd op de huidige verwachtingen en brengen dienovereenkomstig verschillende risico's en onzekerheden met zich mee en worden ze beïnvloed. Het bedrijf kan daarom geen enkele garantie geven dat dergelijke toekomstgerichte verklaringen zullen materialiseren en aanvaardt geen enkele verplichting om een toekomstgerichte verklaring bij te werken of te herzien, hetzij als gevolg van nieuwe informatie, toekomstige gebeurtenissen of enige andere reden. Aanvullende informatie over risico's en onzekerheden die van invloed zijn op het bedrijf en andere factoren die ertoe kunnen leiden dat de werkelijke resultaten wezenlijk verschillen van een toekomstgerichte verklaring, is opgenomen in het jaarverslag van het bedrijf. Dit persbericht vormt geen aanbod of uitnodiging voor de verkoop of aankoop van effecten of activa van Oxurion in enig rechtsgebied. Er mogen geen effecten van Oxurion worden aangeboden of verkocht in de Verenigde Staten zonder registratie onder de U.S. Securities Act van 1933, zoals gewijzigd, of in overeenstemming met een vrijstelling daarvan, en in overeenstemming met toepasselijke Amerikaanse effectenwetten.

Voor meer informatie kunt u contact opnemen met:

Oxurion NV Pascal Ghoson Chief Executive Officer Pascal.ghoson@oxurion.com

________

^1. Art 14, eerste alinea, van de Wet van 2 mei 2007 betreffende de openbaarmaking van belangrijke deelnemingen.

ANNEX 1

FSMA	FINANCIAL SERVICES AND MARKETS AUTHORITY		Form TR-1 BE PART I	Transparency notification
1) Status of the notification
	Final
2) Issuer
	Name OXURION
ldentification number 0881-620-924
3) Reason for the notification
	Acquisition or disposal of voting securities or voting rights
4) Notification by
	A person that notifies alone
5) Persons subject to the notification requirement
	Name				Address (for legal entities)
	Atlas Special Opportunities II LLC			2500 Westchester Avenue, Suite 401, Purchase, NY 10577
6) Persons that dispose of voting rights (only to be filled in if art. 7 of the Law applies)
	Name				Address (for legal entities)
C	Please continue entering the information in part II concerning the persons referred to in Sections 5 and 6			Part II
7) Date on which the threshold is crossed
			08/05/2025 (DD/MMYYYY)
8) Threshold that is crossed (in %)
		5
	If the holding has fallen below the lowest threshold, you have the option of not entering any numbers in Section 10
9) Denominator
		4,634,663
	Please enter the denominator before filling in the data
10) Notified details
A) Voting rights	Previous notification			After the transaction
Holders of woting rights	# of voting rights		Linked to .	# of voting rights Not linked to the	Linked to	% of voting rights Not linked to the

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 D
TOTAL (A & B)				# of voting rights % of voting rights

CALCULATE

202,731

4.37%

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

Atlas Special Opportunities II LLC is not a controlled entity.
12) In case of proxy voting for only one GM
	(DDMM/YYYY)
will cease to hold / D voting rights as of Holder will hold again
13) Additional information
On 25 Ann 2025 (with setternet date on 29 (pr) 2025), Atas Special Operation N, as a result of wich its stareholing decreased a 30,828 shares ( 7.6%,
denominator = 4,634,663).
On 28 Ann 2020 (with settenent date on 30 Apr 2020), Atas Special Open N, as a result wirin its stareholing cecrased of 30,00 stares (= 7.6%, denominator = 4,634,663).
On 29 And 2025 (with setterner date on 2 May 2025), Atas Special Opportunities II L.C solo of virish is shareholing becased b 30,00 shares (= 7.63%, denominator = 4,634,663).

ermania e 1,0303), kis Sepera Sportmilie ILO ski 20 skren Ourin NI, a resil crimin ita startiding becased b20.02.42 skreet T.8%.
De 24.0% selevat de on Mer-2025, Mas Specif

	Done at New York
On		13/05/2025 (DD/MMYYYYY)
	Name & capacity Patrick Vance, Proxyholder		- Signed by: + Patrick Varial Signature -9A8C4789B05442E

For security reasons, the unsigned form in xlsx format should
be transmitted to trp.fin@fsma.be. You can do this manually
OR if you have MS Outlook at your disposal via th Send" button.

In addition, a signed copy in PDF format should also be
transmitted.

ANNEX 2

FSMA	FINANCIAL SERVICES AND MARKETS AUTHORITY		Transparency notification Form TR-1 BE PART I
1) Status of the notification
	Final
2) Issuer
	Name OXURION
Identification number 0881-620-924
3) Reason for the notification
	Acquisition or disposal of voting securities or voting rights
4) Notification by
	A person that notifies alone
5) Persons subiect to the notification requirement.
	Name		Address (for legal entities)
	Atlas Special Opportunities II LLC		2500 Westchester Avenue, Suite 401, Purchase, NY 10577
	6) Persons that dispose of voting rights (only to be filled in if art. 7 of the Law applies)
	Name		Address (for legal entities)
1	Please continue entering the information in part II concerning the persons referred to in Sections 5 and 6		Part II
7) Date on which the threshold is crossed
		12/05/2025 (DD/MMYYYYY)
8) Threshold that is crossed (in %)
		25
	If the holding has fallen below the lowest threshold, you have the option of not entering any numbers in Section 10
9) Denominator
		6,156,035
	Please enter the denominator before filling in the data
10) Notified details
A) Voting rights	Previous notification		After the transaction
	# of voting rights		# of voting rights	% of voting rights

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
Atlas Special Opportunities II LLC	202,731	1,724,103		28.01%
	TOTAL	1,724,103	0	28.01%	0.00%

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%
	Concession Company Concession Company Concession

The totals will be updated once you have clicked on

TOTAL (A & B)			# of voting rights % of voting rights
	CALCULATE	1,724,103	28.01%

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

	Atlas Special Opportunities II LLC is not a controlled entity.
12) In case of proxy voting for only one GM
Holder	will cease to hold / voting rights as of 0 will hold again	(DDMM/YYYY)
13) Additional information
28.01%, denominator = 6,156,035).	On 8 May 2025 (with setterned cate on 12 May 2020). Alass Special Opportunities II LC 3 and of Wirich its stareholing increased b 1,724,103 shares (=

	Done at New York
On		13/05/2025 (DD/MMYYYYY)
	Name & capacity Patrick Vance, Proxyholder	- Sianed by: Signature Datigfler arrive Vanat -9A8C4789B05442E

For security reasons, the unsigned form in xlsx format should
be transmitted to trp.fin@fsma.be. You can do this manually
OR if you have MS Outlook at your disposal via th

In addition, a signed copy in PDE format should also be
transmitted.