EUROPEAN INNOVATION SOLUTIONS S.A.

E.In.S. CORPORATE ACTIONS - ADMISSION OF 250.000 NEW SHARES FOLLOWING THE EXERCISE OF ALL STOCK OPTIONS FOR THE 3rd PERIOD OF THE STOCK OPTION PLAN

Admission to Trading of Two Hundred and Fifty Thousand (250,000) New Shares Resulting from the Exercise of the Total Number of Stock Options of the Third Period under the Stock Option Programme of “European Innovation Solutions S.A.”

“European Innovation Solutions S.A.” (hereinafter the “Company”) announces that on 7.5.2026 the trading of 250,000 new common registered shares of the Company will commence on Euronext Athens. These shares resulted from the recent increase of the Company’s share capital by the amount of €25,000.00, corresponding to the nominal value of the new shares (i.e. 250,000 shares x €0.10).

The aforementioned increase is due to the exercise of the total of 250,000 stock options of the third period (period from 27.9.2025 until 26.9.2026) of the Company’s stock option plan by ten (10) beneficiaries, at an exercise price of €0.10 per share, in accordance with the resolution of the Ordinary General Meeting of Shareholders dated 09.06.2023, as amended (with respect to the exercise price) by the First Repeat Ordinary General Meeting of 24.06.2025 and as in force, as well as the relevant resolutions of the Company’s Board of Directors dated 27.09.2023 (Programme), 09.03.2026 (Granting of Third Period Options), 16.03.2026 (Share Capital Increase and Amendment of the Articles of Association) and 24.03.2026 (Certification of Capital Payment).

On 02.04.2026, the Announcement of the Directorate of Companies & G.E.MI. of the Ministry of Development & Investments, acting as the competent Supervisory Authority, regarding the increase of the Company’s share capital by the amount of €25,000.00 through cash payment (i.e. €25,000.00) and the issuance of 250,000 new common registered shares with a nominal value of ten euro cents (€0.10) each, was registered with the General Commercial Registry (G.E.MI.) under protocol number 4056168/02.04.2026. The above increase was certified on 24.03.2026 by the Company’s Board of Directors, and such certification was registered with the General Commercial Registry (G.E.MI.) under Announcement protocol number 4056217/02.04.2026 of the Directorate of Companies & G.E.MI. of the Ministry of Development & Investments.

Following the above increase, the Company’s share capital amounts to €1,558,348.00, fully paid-up, divided into 15,583,480 common registered shares, each with a nominal value of ten euro cents (€0.10).

Euronext Athens approved, on 5.5.2026, the admission to trading of the above 250,000 new common registered shares of the Company.

By decision of the Company, the above new shares will be admitted to trading on Euronext Athens on the second business day following the aforementioned approval, i.e. on 7.5.2026.

As of the same date, the opening price of the Company’s shares on Euronext Athens will be determined in accordance with the Euronext Athens Rulebook and decision no. 26 of the Board of Directors of Euronext Athens, as in force, and the new shares will have been credited to the accounts and securities accounts of the beneficiary shareholders in the Dematerialized Securities System (D.S.S.).

For further information, shareholders may contact the Company’s Shareholders’ Service Department, tel. +30 2310 804047, Mr. Paris Tsirchoglou (Legal Counsel).

Thessaloniki, 5.5.2026