Athens, 17 September 2012

Review of GT-30 Index

Following the results of the quarterly review of weighting factors of the «Greece - Turkey 30 Index» (GT-30) constituents, the following weight changes will take place:

• "TURKIYE GARANTI BANKASI" new capping factor 0.8714313

• "ΑΚΒΑΝΚ" new capping factor 0.9765157

Additionally, the shares of the companies "PIRAEUS BANK S.A." and "MYTILINEOS HOLDINGS S.A." are removed from the index and replaced by the shares of the companies "LAMPSA HOTEL CO." and "METKA S.A." with investability weighting 1.

All changes will by effective as of Monday, September 24, 2012.

See in detail the composition of the index and all changes in the file attached.