Quest Holdings S.A. announces that, pursuant to Article 49 of Law 4548/2018, in application of Regulation (EU) 596/2014 of the European Parliament and of the Council and Delegated Regulation (EU) 2016/1052, and in execution of the decision of the Company's Annual General Meeting of Shareholders dated 10/06/2026 and the decision of the Board of Directors dated 11/06/2026, proceeded during the trading session of 17/09/2026, through the brokerage firm "Eurobank Equities," to purchase 637 treasury shares at an average acquisition price of €7.55, and on 18/09/2026 to purchase 5.000 treasury shares at an average acquisition price of €7.50, with a total transaction value across the two sessions of €42.298,04.
Following the aforementioned purchase, the Company holds 1.461.241 treasury shares, representing 1,3628% of the Company's total shares.

