CHANGE OF MAINTENANCE SCHEDULES FOR THERMAL UNITS

After the requests of the producers PPC S.A., ELPEDISON S.A. and ALOUMINIO the annual maintenance schedules for reliability years 2011-2012 and 2012-2013 have been modified as follows. 1. Ag. Dimitrios 5: Extension of maintenance until 04-10-2012 instead of 30-09-2012. 2. ELPEDISON ENTHESS : Cancellation of scheduled maintenance (28-09-2012 until 30-09-2012) 3. Kardia 4: Additional maintenance from 30-09-2012 until 14-09-2012. 4. Kardia 2: Maintenance starts on 02-10-2012 instead of 29-09-2012. 5. Aloumino: Maintenance will take place in 2013 instead of 08-10-2012 until 22-10-2012. The modified schedules shall be published on our website.