Announcement of Regulated Information under Law 3556/2007

Thessaloniki, 5 May 2026

“European Innovation Solutions S.A.”, with the distinctive title “E.In.S. S.A.”, formerly “Euroconsultants Société Anonyme for Development and Technology Consultants”, pursuant to Law 3556/2007 and the provisions of Regulation (EU) No 596/2014 of the European Parliament and of the Council, following the implementation of the third period of the Company’s Stock Option Programme, which was established pursuant to the resolution of the General Meeting dated 9 June 2023 and the resolution of the Board of Directors dated 27 September 2023, as amended and currently in force pursuant to the resolution of the Ordinary General Meeting dated 24 June 2025, as well as the resolutions of the Board of Directors regarding the third (3rd) Period of the Stock Option Programme, from 27 September 2025 to 26 September 2026, namely the resolution of the Board of Directors dated 9 March 2026 concerning the determination of the beneficiaries, the resolution of the Board of Directors dated 16 March 2026 concerning the share capital increase and the amendment of Article 5 of the Articles of Association, and the resolution of the Board of Directors dated 24 March 2026 concerning the certification of payment of the share capital increase, and further to its relevant announcements, hereby announces that the following beneficiaries, who are persons subject to the obligation to notify transactions pursuant to the above regulatory framework, acquired on 5 May 2026 the following new shares following the exercise of the stock option rights granted to them for the third (3rd) Period of the Company’s Stock Option Programme.

The Chairman and Chief Executive Officer, Mr. Paris Kokorotsikos, exercised 80,000 stock option rights and, on 5 May 2026, acquired 80,000 new shares, with a nominal value of €0.10 each, at an offering price of €0.10 each, paying to the Company the total amount of €8,000.00.

The Vice-Chairman and Chief Executive Officer, Mr. Efstathios Tavridis, exercised 100,000 stock option rights and, on 5 May 2026, acquired 100,000 new shares, with a nominal value of €0.10 each, at an offering price of €0.10 each, paying to the Company the total amount of €10,000.00.

The Member of the Board of Directors, Mr. Michail Broustis, exercised 7,500 stock option rights and, on 5 May 2026, acquired 7,500 new shares, with a nominal value of €0.10 each, at an offering price of €0.10 each, paying to the Company the total amount of €750.00.

The Member of the Board of Directors, Mr. Petros Iakovou, exercised 7,500 stock option rights and, on 5 May 2026, acquired 7,500 new shares, with a nominal value of €0.10 each, at an offering price of €0.10 each, paying to the Company the total amount of €750.00.

The Executive – Department Director, Mr. Themistoklis Kokorotsikos, exercised 25,000 stock option rights and, on 5 May 2026, acquired 25,000 new shares, with a nominal value of €0.10 each, at an offering price of €0.10 each, paying to the Company the total amount of €2,500.00.

The Executive – Department Director, Mr. Nikolaos Giannoulidis, exercised 5,000 stock option rights and, on 5 May 2026, acquired 5,000 new shares, with a nominal value of €0.10 each, at an offering price of €0.10 each, paying to the Company the total amount of €500.00.

The Executive – Department Director, Mr. Panagiotis Raidís, exercised 10,000 stock option rights and, on 5 May 2026, acquired 10,000 new shares, with a nominal value of €0.10 each, at an offering price of €0.10 each, paying to the Company the total amount of €1,000.00.

The Executive – Department Director, Mr. Evangelos Fragkogiannis, exercised 5,000 stock option rights and, on 5 May 2026, acquired 5,000 new shares, with a nominal value of €0.10 each, at an offering price of €0.10 each, paying to the Company the total amount of €500.00.

The Executive, Mr. Athanasios Papotis, exercised 5,000 stock option rights and, on 5 May 2026, acquired 5,000 new shares, with a nominal value of €0.10 each, at an offering price of €0.10 each, paying to the Company the total amount of €500.00.

The Legal Counsel, Mr. Paraschos Tsirchoglou, exercised 5,000 stock option rights and, on 5 May 2026, acquired 5,000 new shares, with a nominal value of €0.10 each, at an offering price of €0.10 each, paying to the Company the total amount of €500.00.