It is announced that DOSON INVESTMENTS COMPANY (related legal entity with Mr. Nikolaos Th. Vardinoyannis, Non-Executive Board member of MOTOR OIL (HELLAS) CORINTH REFINERIES S.A.)  effected transactions with subject MOTOR OIL (HELLAS) CORINTH REFINERIES S.A. shares as follows:

• Sale of 40,000 shares of total value EUR 996,000 through an Over-The-Counter (OTC) transaction on 21 June 2023.
• Sale of 25,000 shares of total value EUR 621,500 through a block trade stock exchange transaction on 22 June 2023.

Mr. Nikolaos Th. Vardinoyannis is under the obligation to acknowledge his transactions on Company securities pursuant to the article 19 of the Regulation (EU) 596/2014.

Maroussi, 23 June 2023

The Board of Directors