Information on the Total Number of Voting Rights (Denominator) following Conversion Notice from ATLA

Regulated Information – Denominator

Atlas Special Opportunities, LLC has converted 8 convertible bonds in Oxurion resulting in a EUR 200,000 capital increase. This is part of Atlas Special Opportunities, LLC’s EUR 20 million Capital Commitment¹ that will allow Oxurion to focus on progressing its novel and differentiated back of the eye drug candidate targeting potential market opportunities of over USD 5 billion.

Leuven, BELGIUM, Boston, MA, US – March 24, 2023 – 07.00 PM CET – In accordance with article 15 of the Belgian Act of May 2, 2007 on the disclosure of major participations in issuers of which shares are admitted to trading on a regulated market and regarding miscellaneous provisions, Oxurion NV (Euronext Brussels: OXUR) (the “Company” or “Oxurion”), announces the below information, following the issuance of 19,013,817 new ordinary shares on March 22, 2023, for a total amount of EUR 200,000, as the result of the conversion of 8 convertible bonds, pursuant to the Capital Commitment entered into with Atlas Special Opportunities, LLC.

Following completion of the capital increase through the conversion of the convertible bonds, the total number of shares issued by Oxurion amounts to 603,716,557 outstanding ordinary shares carrying voting rights (compared to 584,702,740 outstanding ordinary shares previously). This number will be used as the denominator for the calculation of the percentages of shareholdings.

Therefore, Oxurion publishes the following updated information:

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About Oxurion

Oxurion (Euronext Brussels: OXUR) is a biopharmaceutical company developing next generation standard of care ophthalmic therapies, which are designed to improve and better preserve vision in patients with retinal disorders including diabetic macular edema (DME), the leading cause of vision loss in working-age people, as well as other conditions. Oxurion intends to play an important role in the treatment of retinal disorders, including the successful development of THR-149, its novel therapeutic for the treatment of DME. THR-149 is a potent plasma kallikrein inhibitor being developed as a potential new standard of care for the up to 50% of DME patients showing suboptimal response to anti-VEGF therapy. Oxurion is headquartered in Leuven, Belgium, with corporate operations in Boston, MA. 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 forward-looking 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.

For further information please contact:

¹Press release Oxurion, 20/03/2023

Attachments

• OXUR PR_Voting rights (ENG)_20230323
• OXUR PR_Voting rights (NED)_20230323