Unibios Holdings SA announces to the investment public, in accordance with the Regulations (EU) 2016/1052, 596/2014 and article 49 of Law 4548/2018, that in execution of the decision of the Ordinary General Meeting of the shareholders of the company held on 09.09.2022, the company bought 2,000 own shares on 23.05.2024 with an average purchase price of 1.335 euros and a total transaction value of 2,692.95 euros. The above shares were purchased through the member of the Athens Stock Exchange "N. Chryssochoidis Stock Brokerage I.S.S.A."

Please see attached.

Quest Holdings S.A. informs the investors that, according to article 49 of the Law 4548/2018 and in compliance with the terms of the Regulation no.2273/2003 of the Commission of the European Communities, as well as by virtue of the Decision of the Regular General Assembly of its Shareholders dated 15/06/2022 and the Decision of the Board of Directors dated 03/01/2024, proceeded on May 23, 2024 through the member of the A.S.E. “Eurobank Equities”, with the purchase of 10.221 Quest Holdings S.A.

Please see the atached announcement.

"Performance Technologies SA" ("Company") informs the investing public that, in implementation of the 31/1/2024 decision of the 8th item of the Agenda of the Extraordinary General Meeting of the Company's shareholders, as specified by the 12/4/2024 decision of the Board of Directors, on Thursday 23/5/2024 it purchased 1,883 own shares with an average purchase price of 6.85 euros per share, with a total value of 12,898.55 euros.