Oxurion NV

Major Shareholding Notification • Oct 2, 2025

Oxurion Receives Transparency Notification from Atlas Special Opportunities II LLC

Leuven, BELGIUM – October 2, 2025 – 06:00 PM CET - Oxurion NV (Euronext Brussels: OXUR), a company headquartered in Leuven, today announced that, pursuant to Belgian Transparency legislation¹ it has received transparency notification as follows:

Oxurion received a transparency notification on October 2, 2025, from Atlas Special Opportunities II, LLC indicating that as of September 26, 2025, it held 1,864,164 shares of the then outstanding 50,377,523 shares, and therefore crossed under the threshold (5%) by virtue of the selling of voting securities.

About Oxurion

Oxurion NV (Euronext Brussels: OXUR) is a company specializing in acquiring majority stakes in promising European pharmaceutical subcontractors. Oxurion's ambition is to build an integrated group of subcontractors serving healthcare players. The Group's headquarters are based in Leuven, Belgium. More information is available at www.oxurion.com.

Important information about forward-looking statements

Certain statements in this press release may be considered "forward-looking". Such forward-looking statements are based on current expectations, and, accordingly, entail and are influenced by various risks and uncertainties. The Company therefore cannot provide any assurance that such forward-looking statements will materialize and does not assume any obligation to update or revise any forward-looking statement, whether as a result of new information, future events, or any other reason. Additional information concerning risks and uncertainties affecting the business and other factors that could cause actual results to differ materially from any forwardlooking statement is contained in the Company's Annual Report. This press release does not constitute an offer or invitation for the sale or purchase of securities or assets of Oxurion in any jurisdiction. No securities of Oxurion may be offered or sold within the United States without registration under the U.S. Securities Act of 1933, as amended, or in compliance with an exemption therefrom, and in accordance with any applicable U.S. state securities laws.

Additional Disclaimer

________

The planned investment in digital assets (such as Bitcoin and Ethereum) exposes the company to specific risks related to volatility, regulatory uncertainty, and cybersecurity. These factors may significantly affect the expected performance of the investments.

For further information please contact:

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

1. Article 14, first paragraph, of the Law of 2 May 2007 on disclosure of major holdings.

ANNEX 1

FSMA FINANCIAL SERVICES AND MARKETS AUTHORITY			Transparency notification Form TR-1 BE PART I
1) Status of the notification
	Final
2) Issuer
Identification 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 entitles)
	Atlas Special Opportunities II LLC		2500 Westchester Avenue, Sulte 401, Purchase, NY 10577
6) Persons that dispose of votinq rights (only to be filled in if art. 7 of the Law applies)
	Name			Address (for legal entitles)
	persons referred to In Sections 5 and 6	Please continue entering the information in part II concerning the		Part II
7) Date on which the threshold is crossed
			26/09/2025 (DD/MM/YYYYY)
8) Threshold that is crossed (in %)
		5
		If the holding has faller below the lowest threehold, you have the option of not entering any numbers in Section 10
9) Denominator
		50,377,523
		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
Holders of voting rights			Linked to securities	Not linked to the	Linked to	Not linked to the

	# of voting rights		# of voting rights	% of voting rights
of voting rights		Linked to securities	Not linked to the securities	Linked to securities	Not linked to securities
portunities II LLC	4.003.999	1,864,164		3.70%
	TOTAL	1,864,164	0	3.70%	0.00%

B) Equivalent financial instruments	After the transaction
Holders of equivalent financial Instruments	Type of financial Instrument	Expiration diate	Exercise period or diate	# of voting rights that may be acquired if the Instrument Is percised	% of voting rights	Settlement
							+
	TOTAL			0	0.00%
P The zotals will be updated once you have clicked on «CALCULATE>
	# of voting rights % of voting rights TOTAL (A & B)
			CALCULATE	1,864,164	3.70%

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

13) Additional information

On 26 August 2025 Mith setteren date on 20 August 2010 1,05,000 per on Divinn N. as a result of while is free of a 1,000 million is stares of 4,003,99 hares - 7.9479%, denominator = 50,377,523)
On 27 August 2025 (with setternet date on 29 August 2016) 11:00 AM ( 3 6 1 6:56) stares In Online N , 3 a result of this hareholding econsed b 3,49 ,775 shares (
6.9423%, denominator = 50,377,523)
On 12 September 2025 jillith ethernet date on 15 September 11, 2014 33 055 shares in Oxinon N. 3 a result of which is stareholing decessed b 3,159,24
shares (= 6.2713%, denominator = 50,377,523)
On 15 September 2025 with settement date on 17 September I LC 60 194254 stares in Oxinon N. 3 a result of which is stareholm decessed to 2.95.070 shares (= 5.8857%, denominator = 50,377,523)
On 16 September 2025 July settement date on 18 September 1 LC 600 259,071 stares in Oxinon N. 3 a result of which is stareholing decessed by 2,65,199
shares (= 5.3500%, denominator = 50,377,523)
On 17 September 2025 (with setterner data on 19 September 1 LC 600 35,64 stars in Outlin NV, as a reall of which its starest of 2,633,35 shares (- 5.2787%, denominator = 50,377,523)
On 18 September 2025 (with settlement data on 22 September II LC sold 4,26 shares in Church NY, as a real of which its stares in 2,65 [155 shares
(- 5.2703%, denominator = 50,377,523)
On 24 September 2025 with settement date on 26 Septembers I LC soll 79.055 stares in Oxicon N. 3 a result of which is starely of the 154,154,154
shares (- 3.7003%, denominator - 50,377,523)
Done at New York
On 29/09/2025 (DD/MMYYYYY)

Name & capacity Patrick Vance, Proxyholder

Signed by:
signature latrick Javall
-9A8C4789B05442E

For security reasons, the unsigned form in xlsx format should