MOTOR OIL (HELLAS) CORINTH REFINERIES S.A. hereby announces that on December 11, 2023 it effected purchases of 3,100 Company shares of total value EUR 77,178.00 (average price per share: EUR 24.896).

 The aggregate number of treasury stock in possession of the Company equals 2,469,916 corresponding to 2.23% of its share capital. The average price of the own shares purchased by the Company equals EUR 18.110 per share.

Maroussi, 12 December 2023

The Board of Directors