Announcements / 2012 Announcement of regulated information based on Law 3556/2007 Announcement - Write off of the Unclaimed DividendsAnnouncement - Financial Results 30/9/2012 PresentationAnnouncement - Conference Call Invitation Announcement - Greek Investment Forum in New York, Hellenic Exchange GroupAnnouncement - Reply to question made by the Capital Market CommissionGroup presentation, 7th Annual Greek Roadshow of Athens Exchange Announcement - Financial Results 30/06/2012 Presentation Announcement - Conference Call Invitation Announcement of regulated information based on Law 3556/2007 Resolutions of Ordinary Shareholders General Meeting Announcement - Revised Invitation to Ordinary Shareholders' Meeting Announcement - Invitation to Ordinary Shareholders' Meeting Announcement - Financial Results 31/3/2012 PresentationAnnouncement - Conference Call Invitation Announcement of regulated information based on Law 3556/2007 Announcement of regulated information based on Law 3556/2007 Announcement of regulated information based on Law 3556/2007 Announcement of regulated information based on Law 3556/2007 Announcement - Reply to ATHEX Question - Comments on articleAnnouncement - Financial Results 31/12/2011 PresentationAnnouncement - Conference Call Invitation Announcement - Financial Calendar 2011 Announcement of regulated information based on Law 3556/2007 Announcement - Contract Signed in Romania Announcement - Contract Signed in Izmir, Turkey