Completion of acquisition of petrol station network in Bulgaria Following the announcement on 19 June 2008, Hellenic Petroleum S.A. announces that, after obtaining all regulatory approvals, it acquired today a 100% stake in Opet Aygaz Bulgaria EAD ("OAB"), which operates a network of 17, newly-built petrol stations, located in/around major Bulgarian cities, where demand growth is strong. Moreover, OAB owns 3 strategically located fuel depots (including one in Sofia) and several plots of land earmarked for petrol station development. In addition to its retail marketing activities, OAB enjoys a strong position in the local wholesale market for LPG due to its well-developed logistics network.

Notes to Editors:

Founded in 1998, Hellenic Petroleum is one of leading energy groups in South East Europe, with activities spanning over 10 countries in the region and across the energy value chain. In 2007, group net earnings amounted to euros 351 million, on total revenues of euros 8.8 billion. Its shares are listed on the Athens Exchange (ATHEX: ELPE), and it has a market capitalisation of about euros 2 billion. Further information:

E. Stranis, PR and Corporate Affairs Director

Tel.: +30-210-5539241

Email: estranis@hellenic-petroleum.gr

G. Grigoriou, IRO

Tel.: +30-210-5539109

Email: georgegrigoriou@hellenic-petroleum.gr.