MOTOR OIL (HELLAS) CORINTH REFINERIES S.A. announces that its Board in its meeting dated 26 April 2024, pursuant to the relevant decisions of the Extraordinary General Assembly of 22 March 2023 and the subsequent authorizations to the Board, approved the transfer of 182,120 treasury stock shares to the personal investment accounts at the Dematerialized Securities System (S.A.T) of eight executives of the Company and the Group as follows:

• An aggregate of 179,818 treasury stock shares will be transferred to the personal S.A.T. investment accounts of the Company CEO, the two Deputy CEOs, the GM of Fuels Refining & Trading, the GM of Human Resources and the Company General Counsel. All said six Company PDMRs opted to exercise their stock options maturing in April 2024 to purchase Company shares at the Grant Price of EUR 13.47 per share.
• 891 treasury stock shares will be transferred to the personal S.A.T. investment account of the Company Information Technology General Manager (PDMR) as stock award free of payment.
• 1,411 treasury stock shares will be transferred to the personal S.A.T. investment account of the General Manager of a subsidiary of the MOTOR OIL Group as stock award free of payment.

All above beneficiaries will get Company shares without retention obligation.

All share transfers mentioned above will be effected by the means of Over The Counter (OTC-FOP) transactions on Tuesday 30 April 2024 with same day clearance.

Furthermore, the Company Board in the same meeting mentioned above decided to suspend the current share buyback program only for the ATHEX session of Tuesday 30 April 2024 which is the date the transfer of the 182,120 Company shares will take place.

Maroussi, 29 April 2024

The Board of Directors