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Press Release Results from Mont Blanc Phase 3 Trial of Nicox’s NCX 470 in Glaucoma Published in the American Journal of Ophthalmology First publication of the data from the Mont Blanc Phase 3 trial in a peer-reviewed journalAuthors conclude: "NCX 470 could become an important first-line therapy for IOP reduction in glaucoma."Topline results from second Phase 3 trial of NCX 470, Denali, expected in H2 2025 March 20, 2024 – release at 7:30 am CETSophia Antipolis, France Nicox SA (Euronext Growth Paris: FR0013018124, ALCOX), an international ophthalmology company, today announced that the results from the Mont Blanc pivotal Phase 3 trial comparing NCX 470 to latanoprost in the lowering of intraocular pressure (IOP) in patients with open-angle glaucoma or ocular hypertension have been published in the peer-reviewed journal American Journal of Ophthalmology. The principal author of the publication is Dr. Robert Fechtner, Professor and Chair of the Department of Ophthalmology at SUNY Upstate Medical University, Syracuse, NY and Chairman of Nicox’s U.S. Glaucoma Clinical Advisory Board. “We are pleased to see the publication of these data in such a recognized and respected journal,” said Doug Hubatsch, Chief Scientific Officer of Nicox. “The data from the Mont Blanc Phase 3 trial demonstrated the potential of NCX 470 and we look forward to seeing confirmation of this clinical profile in the upcoming results from the ongoing Denali Phase 3 trial, expected in H2 2025. I’d also like to thank all the Mont Blanc study sites for their excellent work on this trial.” The publication entitled “A Randomized, Controlled Comparison of NCX 470, a Nitric Oxide-Donating Bimatoprost, and Latanoprost in Subjects with Open-Angle Glaucoma or Ocular Hypertension: The MONT BLANC Study” was published online in the American Journal of Ophthalmology on March 16, 2024 and is available by clicking here. The Mont Blanc publication concludes that “The NO-donating prostaglandin analogue NCX 470 0.1% was well-tolerated and lowered IOP more than latanoprost in subjects with open-angle glaucoma or ocular hypertension at all 6 time points. With a dual mechanism of action that enhances both uveoscleral and trabecular outflow, NCX 470 could become an important first-line therapy for IOP reduction in glaucoma.” About NCX 470 NCX 470, Nicox’s lead clinical asset, is a novel nitric oxide-donating bimatoprost eye drop. The Denali Phase 3 clinical trial evaluating NCX 470 for the lowering of IOP in patients with open-angle glaucoma or ocular hypertension, being conducted in the U.S. and China, is on track to generate topline results in H2 2025. 80% of the target number of patients have been randomized in the trial and completion of recruitment of U.S. patients is expected in Q4 2024. Supportive development data required for the preparation of the U.S. New Drug Application (NDA) is expected to be available on or before the completion of the Denali trial. The database from the trial will not be locked until after the last patient has completed their final trial visit in China, which drives the timing of the Denali results. About Nicox Nicox SA is an international ophthalmology company developing innovative solutions to help maintain vision and improve ocular health. Nicox’s lead program in clinical development is NCX 470, a novel nitric oxide-donating bimatoprost eye drop, for lowering intraocular pressure in patients with open-angle glaucoma or ocular hypertension. Nicox generates revenue from VYZULTA® in glaucoma, licensed exclusively worldwide to Bausch + Lomb, and ZERVIATE® in allergic conjunctivitis, licensed in multiple geographies, including to Harrow, Inc. in the U.S., and Ocumension Therapeutics in the Chinese and in the majority of Southeast Asian markets. Nicox, headquartered in Sophia Antipolis, France, is listed on Euronext Growth Paris (Ticker symbol: ALCOX) and is part of the CAC Healthcare index. For more information www.nicox.com. Analyst coverage Bryan, Garnier & Co Eric Yoo Paris, FranceH.C. Wainwright & Co Yi Chen New York, U.S. The views expressed by analysts in their coverage of Nicox are those of the author and do not reflect the views of Nicox. Additionally, the information contained in their reports may not be correct or current. Nicox disavows any obligation to correct or to update the information contained in analyst reports.Contacts NicoxGavin SpencerChief Executive Officer T +33 (0)4 97 24 53 00communications@nicox.comMedia / InvestorsSophie BaumontCohesion Bureau+33 6 27 74 74 49sophie.baumont@cohesionbureau.com Forward-Looking Statements The information contained in this document may be modified without prior notice. This information includes forward-looking statements. Such forward-looking statements are not guarantees of future performance. These statements are based on current expectations or beliefs of the management of Nicox S.A. and are subject to a number of factors and uncertainties that could cause actual results to differ materially from those described in the forward-looking statements. Nicox S.A. and its affiliates, directors, officers, employees, advisers or agents, do not undertake, nor do they have any obligation, to provide updates or to revise any forward-looking statements. Risks factors which are likely to have a material effect on Nicox’s business are presented in section 2.7 of the “Rapport Annuel 2022” and in section 4 of the “Rapport semestriel financier et d’activité 2023” which are available on Nicox’s website (www.nicox.com). Nicox S.A.Sundesk Sophia Antipolis, Bâtiment C, Emerald Square, Rue Evariste Galois, 06410 Biot, FranceT +33 (0)4 97 24 53 00 Attachment EN_NCX470MontBlancPublicationAJO PR_20240320_F

Press Release Nicox Updates on Corporate, Pipeline and Financing Perspectives and Will Hold a Webcast on March 18, 2024 Focusing resources on the clinical development of Nicox’s lead program NCX 470 in glaucomaNCX 470 Denali Phase 3 trial in patients with open-angle glaucoma or ocular hypertension on track to generate topline results in H2 2025Objective of securing financing to support clinical development of NCX 470Implementing cost reductions and exploring developing other assets through collaborationsWebcast (in French) to be held on March 18, 2024 at 6:00 pm CET; additional details to follow March 13, 2024 – release at 7:30 am CET Sophia Antipolis, France Nicox SA (Euronext Growth Paris: FR0013018124, ALCOX), an international ophthalmology company, today provided an update on its corporate and development strategy, in the context of its debt restructuring and the appointment of Gavin Spencer as Chief Executive Officer and announced it will be holding a Webcast (in French) on March 18, 2024 at 6:00 pm CET. Further details on the webcast will be sent shortly. “Nicox is focusing its resources on the Denali Phase 3 pivotal trial of its lead asset NCX 470 in glaucoma. This trial, which we are conducting with our long-term Chinese partner Ocumension Therapeutics, is on track with 80% of the target number of patients already randomized. We expect topline results in H2 2025 and expect that these will be supportive of future regulatory approval and partnering in the U.S. and other territories. We are reducing costs, including the size of the organization, and are exploring advancing NCX 1728, through collaborations. Our licensed, marketed products, VYZULTA and ZERVIATE, are generating royalty revenues for Nicox. With an experienced team delivering on the Denali trial, we are also focused on putting financing in place to complete the debt restructuring and to deliver on the promise of our innovative treatment NCX 470,” said Gavin Spencer, Chief Executive Officer of Nicox. “We maintain constructive relationships with potential licensing and strategic partners for NCX 470 in the U.S and other territories outside of those already partnered and continue to update them on the status.” Update on Development Pipeline NCX 470, our lead clinical asset, is a novel nitric oxide-donating bimatoprost eye drop. The Denali Phase 3 clinical trial evaluating NCX 470 for the lowering of intraocular pressure (IOP) in patients with open-angle glaucoma or ocular hypertension, being conducted in the U.S. and China, is on track to generate topline results in H2 2025. 80% of the target number of patients have been randomized in the trial and completion of recruitment of U.S. patients is expected in Q4 2024. Supportive development data required for the preparation of the U.S. New Drug Application (NDA) is expected to be available on or before the completion of the Denali trial. The database from the trial will not be locked until after the last patient has completed their final trial visit in China, which drives the timing of the Denali results. The Whistler Phase 3b trial investigating the dual mechanism of action of NCX 470 in IOP lowering is underway and results are expected in Q1 2025. The Phase 3b optical coherence tomography (OCT) trial to investigate the potential benefits of NCX 470 on the retina is not included in the current plan, however this development will be revisited when finances allow. Neither of the two Phase 3b trials are required for an NDA submission in either the U.S. or China. The potential of NCX 470 has been validated by our established partnerships with Ocumension and more recently with Kowa, for China and Japan respectively. With the completion of the Denali trial, Nicox expects to be in a position to partner NCX 470 for commercialization in the U.S. and potentially other territories. Mont Blanc and Denali trials have been designed to fulfill the regulatory requirements for safety and efficacy Phase 3 trials to support NDA submissions in both the U.S. and in China, where NCX 470 is exclusively licensed to Ocumension. NCX 1 728, an NO-donating phosphodiesterase-5 (NO-PDE5) inhibitor, is a preclinical asset with potential for development in retinal conditions. The United States Patent Office (USPTO) recently issued the Notice of Allowance for the patent covering NO-PDE5 inhibitors including NCX1728, with an expiry date in 2039. Nonclinical data have demonstrated potential for the development of NCX 1728 in a number of ophthalmic conditions and we are exploring continuing the development of this product candidate through partnerships.NCX 4251, a novel suspension of fluticasone propionate nanocrystals, is at development stage for dry eye disease. The Company has agreed a development plan with the U.S. Food and Drug Administration (FDA) for a Phase 3 program in dry eye disease, and this asset is available for partnering outside China. NCX 4251 is licensed to Ocumension in China who are currently reviewing the pharmaceutical development activities which would be needed to enter in clinical trials in China. Update on Revenue Generating Products Historically, Nicox has been generating and reporting royalty revenues from the sales of its products by its partners, primarily Bausch + Lomb for the commercialization of VYZULTA®, and from upfront and milestone payments from its licensing agreements. We expect to add to this the royalty revenue from Ocumension from the commercialization of ZERVIATE® in China this year and, in the future, from the commercialization of NCX 470 by Ocumension and Kowa, by its future partners in the U.S. and potentially other territories. Nicox estimates annual global net sales of NCX 470 could be over $300 million1 within 8 years of the date of launches in the U.S. and China. VYZULTA – Nicox continues to receive royalties on net sales of VYZULTA. Bausch + Lomb, exclusive worldwide partner of Nicox, reported 35% revenue growth for VYZULTA in 2023. VYZULTA is commercialized by Bausch + Lomb in more than 15 countries and territories, including the U.S., and is also approved in a number of other countries. VYZULTA is indicated for the reduction of IOP in patients with open-angle glaucoma or ocular hypertension.ZERVIATE – Our forecasts assume that the majority of the ZERVIATE revenue will come from the sales of ZERVIATE in China by our exclusive Chinese partner Ocumension. ZERVIATE is expected to be approved in China shortly, following submission of the NDA there in April 2023. Ocumension forecasts peak annual net sales of over $100 million within 7 years of launch in China. ZERVIATE is also currently commercialized in the U.S. for ocular itching associated with allergic conjunctivitis by Harrow, Inc. In January 2024, Nicox expanded the territory of the exclusive licensing agreement with Harrow, Inc., to include Canada. No payment was associated with the extension of the territory, and Nicox would receive royalties on any net sales of ZERVIATE in Canada. ZERVIATE forms part of Harrow’s recent agreement with Apotex for Canada. Update on Cash Runway The Company is financed to at least November 2024, based on focusing exclusively on the development of NCX 470. The Company is pursuing business development discussions, including the sale or license of certain assets, and exploring multiple strategic options which could further extend the cash runway. The Company is evaluating all options for financing and will use the most appropriate at the time. As of February 28, 2024, Nicox had a total amount of debt2 of €18.2 million consisting of €16.9 million debt outstanding from Kreos Capital VI (UK) Limited (an affiliate of BlackRock) and a €1.3 million of non-dilutive loan facility credit agreement guaranteed by the French state related to the COVID-19 pandemic. About Nicox Nicox SA is an international ophthalmology company developing innovative solutions to help maintain vision and improve ocular health. Nicox’s lead program in clinical development is NCX 470, a novel nitric oxide-donating bimatoprost eye drop, for lowering intraocular pressure in patients with open-angle glaucoma or ocular hypertension. Nicox generates revenue from VYZULTA® in glaucoma, licensed exclusively worldwide to Bausch + Lomb, and ZERVIATE® in allergic conjunctivitis, licensed in multiple geographies, including to Harrow, Inc. in the U.S., and Ocumension Therapeutics in the Chinese and in the majority of Southeast Asian markets. Nicox, headquartered in Sophia Antipolis, France, is listed on Euronext Growth Paris (Ticker symbol: ALCOX) and is part of the CAC Healthcare index. For more information www.nicox.com. Analyst coverage Bryan, Garnier & Co Eric Yoo Paris, FranceH.C. Wainwright & Co Yi Chen New York, U.S. The views expressed by analysts in their coverage of Nicox are those of the author and do not reflect the views of Nicox. Additionally, the information contained in their reports may not be correct or current. Nicox disavows any obligation to correct or to update the information contained in analyst reports.Contacts NicoxGavin SpencerChief Executive Officer T +33 (0)4 97 24 53 00communications@nicox.comMedia / InvestorsSophie BaumontCohesion Bureau+33 6 27 74 74 49sophie.baumont@cohesionbureau.com Forward-Looking Statements The information contained in this document may be modified without prior notice. This information includes forward-looking statements. Such forward-looking statements are not guarantees of future performance. These statements are based on current expectations or beliefs of the management of Nicox S.A. and are subject to a number of factors and uncertainties that could cause actual results to differ materially from those described in the forward-looking statements. Nicox S.A. and its affiliates, directors, officers, employees, advisers or agents, do not undertake, nor do they have any obligation, to provide updates or to revise any forward-looking statements. Risks factors which are likely to have a material effect on Nicox’s business are presented in section 2.7 of the “Rapport Annuel 2022” and in section 4 of the “Rapport semestriel financier et d’activité 2023” which are available on Nicox’s website (www.nicox.com). Nicox S.A.Sundesk Sophia Antipolis, Bâtiment C, Emerald Square, Rue Evariste Galois, 06410 Biot, FranceT +33 (0)4 97 24 53 00 1 See Press Release of 10 July 2023 2 This figure is the contractual amount of the debt which is different from that reported under accounting standards. It does not include the premium of €2.4 million due to BlackRock upon repayment of the non-amortizing, non-convertible bond, which would be paid on January1st, 2026 at the earliest. Nor does it include the Armistice put option granted in the November 2022 equity financing, payable in the case of a merger by acquisition (fusion par absorption), merger (fusion par création d’une nouvelle société), division (scission), or a change of control within the meaning assigned in article L.233-3 I of the French commercial code (Code de commerce) where the consideration for such transaction is Nicox shares at a value of less than €1.70, the exercise price of the warrants, Armistice can request that Nicox purchases the warrants granted to Armistice at their Black Scholes value (using pre-defined terms). This figure will no longer be reported following the Company’s decision to change from Consolidated Financial Statements under IFRS to statutory financial statements under French Gaap. Attachment EN_Nicox-Strategy PR_20240313_F