July 27, 2012 Hellenic Petroleum (ATH:ELPE) publishes Sustainability Report 2011 Hellenic Petroleum SA
July 28, 2011 Hellenic Petroleum Group (ATH:ELPE) publishes Sustainability Report 2010 Hellenic Petroleum SA
September 1, 2010 Hellenic Petroleum Group (ATH:ELPE) publishes Sustainability Report 2009 Hellenic Petroleum SA
