MOTOR OIL (HELLAS) CORINTH REFINERIES S.A. hereby announces that on 15 June 2023 a total of two hundred and eighty thousand (280,000) treasury stock of Company shares were transferred by way of Over The Counter Transactions (OTC) to the personal S.A.T. accounts of the three executive Directors of the Company and three top Company executives in accordance with the relevant decision of the Extraordinary General Assembly dated 22 March 2023, and following the verification by the Board in its meeting dated 13 June 2023 of the fulfillment of the conditions set by the General Assembly, pursuant to the article 114 of the Law 4548/2018.

The above 280,000 Company shares were distributed to the six Persons Discharging Managerial Responsibilities (PDMRs) as follows: to the Vice Chairman of the Board and Managing Director Mr. Yannis V. Vardinoyannis - 150,000 shares, to the Deputy Managing Director Mr. Ioannis N. Kosmadakis - 35,000 shares, to the Deputy Managing Director Mr. Petros Tz. Tzannetakis - 35,000 shares, to the Refinery General Manager Mr. Michael-Matheos J-E. Stiakakis - 20,000 shares, to the Human Resources General Manager Mr. Theofanis Chr. Voutsaras - 20,000 shares, and to the General Counsel and Secretary of the Board Mr. George J. Prousanides - 20,000 shares.

The entitled PDMRs received the Company shares free of payment and without obligation to retain the shares granted for a specific period.

As a result of the above-mentioned transactions the number of treasury stock shares owned by the Company equals 2,178,446 corresponding to 1.97% of its share capital.

Maroussi, 19 June 2023

The Board of Directors