Announcement of Business Developments

MOTOR OIL (HELLAS) CORINTH REFINERIES S.A. hereby announces that on June 2, 2015 the company M & M Gas as joint venture leader submitted an offer in the context of the Open Tender conducted by the Natural Gas Public Company of Cyprus (DEFA) titled “Invitation for Supply of Natural Gas to DEFA for Power Generation”. Together with M & M Gas, Trafigura, one of the leading commodity trading firms worldwide, and METKA, which is part of the MYTILINEOS Group, participate in the joint venture.

MOTOR OIL (HELLAS) CORINTH REFINERIES S.A. and the MYTILINEOS Group participate in the share capital of M & M Gas with a stake of 50% each.

In case the Tender is awarded to the above mentioned joint venture, MOTOR OIL (HELLAS) CORINTH REFINERIES S.A. will proceed with a new announcement in order to inform the investment community.

Maroussi, June 3, 2015

The Board of Directors