Oxurion NV — Major Shareholding Notification 2025

May 20, 2025

Oxurion ontvangt transparantiekennisgevingen van Atlas Special Opportunities II LLC

Leuven, BELGIË – 2 0 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 16 mei 2025 van Atlas Special Opportunities II LLC waaruit blijkt dat het op 16 mei 2025 1.535.806 aandelen van de toen uitstaande 6.156.035 aandelen bezat en dus onder de drempel (25%) kwam door de verkoop van stemrechtverlenende effecten.

Oxurion ontving een transparantiekennisgeving op 20 mei 2025 van Atlas Special Opportunities II LLC waaruit blijkt dat het op 20 mei 2025 1.230.728 aandelen van de toen uitstaande 6.156.035 aandelen bezat en dus onder de drempel (20%) kwam door de verkoop 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	Transparency notification Form TR-1 BE PART I
1) Status of the notification
	Final
2) Issuer
ldentification number 0881-620-924	Name OXURION
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)
B	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
		16/05/2025 (DD/MM/YYYY)
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 # of voting rights	After the transaction # of voting rights % of voting rights
		Not linked to the 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 P
TOTAL (A & B)				# of voting rights	% of voting rights
			CALCII ATE	1 535 806	24 05%

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

12) In case of proxy voting for only one GM

13) Additional information

On 8 May 2025 (with settenert date on 12 May 2025), Atas Special Operior NY, as a result of writh its stareholding beceased to 1,694,033 stares (= 2.33%, Comment of Marcel Cale Securements LC on Librares County & Parlemente March Person Proses D 1927 Mae C2004
Comments of Marcel Comments LC or Microse on Comments assemble secu lenominator = 6,156,035).

	Done at New York
On		16/05/2025 (DD/MMYYYY)
	Name & capacity Patrick Vance, Proxyholder

-------Patrick Varce

Signature

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 the " 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
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)
3	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
		20/05/2025 (DD/MM/YYYY)
8) Threshold that is crossed (in %)
	20
	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 secunties	Linked to securities	Not linked to the secunties
Atlas Special Opportunities II LLC	1.535.806		1,230,728		19.99%
	TOTAL	0	1,230,728	0.00%	19.99%

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

CALCULATE

-

1,230,728

19.99%

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 will cease to hold / voting rights as of Holder	(DD/MM/YYYY)
will hold again 13) Additional information
On 15 May 2025 (with setterner tate on 19 May 2025), Mas Special Opprimies II LL C sold 14, 34 stare in Oruin NV, as a result of which its stareholding decreased of 5,20 (372 denominator = 6,156,035). On 15 May 2025 (with setternent cate on 19 May 2025), Mas Special Opprimities II LLC sold 23,124 stare in Oruin NV, as a result of which its stareholding decreased of 1,490,2 denominator = 6,156,035). On 16 May 2025 (with settement cate on 20 May 2025), Alass Special Operior NY, as a result of witch is stransforling is stares on 1,20,728 stares (19.9% denominator = 6,156,035).

Done at New York
On	20/05/2025 (DD/MM/YYYY)
Name & capacity Patrick Vance, Proxyholder		Sagned by Patrick Varree Signature - 9A8C4789054428

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.