Athens, 14 June 2010

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

• "TURKIYE GARANTI BANKASI" new weighting factor 0.836975.
• "ΑΚΒΑΝΚ" new weighting factor 0.7453315

The changes will by effective as of Monday, June 21, 2010.

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