MOTOR OIL (HELLAS) CORINTH REFINERIES S.A. hereby announces that the financial results of H1 2023 will be released after the close of business on Tuesday August 29^th, 2023 while a teleconference has been scheduled for Wednesday August 30^th, 2023 at 17:30 hrs local time (UK: 15:30, EASTERN US: 10:30).

The Half Year Financial Report will be available on the Company website www.moh.gr (Investor Relations / Financial Information / Half Year Financial Reports) as well as on the ATHEX website www.athexgroup.gr after the close of business on Tuesday August 29^th, 2023.

Maroussi, 18 August 2023

The Board of Directors