Reference: Isbank's public disclosures on 17/01/2012, 24/02/2012, 23/03/2012, 20/04/2012, 22/05/2012 and 06/07/2012.

The “updated text of the prospectus” related to the changes in the prospectus regarding Isbank’s domestic offering of bills and bonds, which were attached to Isbank’s disclosure on 17/01/2012, and the changes in the updated text of the prospectus, which were attached to Isbank’s disclosures on 24/02/2012, 23/03/2012, 20/04/2012, 22/05/2012 and 06/07/2012, have been certified by the Capital Markets Board and registered by İstanbul Trade Registry Office.

The updated text of the prospectus is attached hereto.

http://www.kap.gov.tr/yay/Download/Bildirim/Ek/77164.pdf

“This is a translation of the original public disclosure in Turkish made by İşbank through the Public Disclosure Platform (www.kap.gov.tr), which is to be accepted as the main source of public disclosures. The original public disclosure in Turkish is the only definitive and official version. If there is any discrepancy between the Turkish public disclosure and the English translation of it, the Turkish public disclosure shall prevail. The translation is for informational purposes only and is provided by İşbank for convenience to non-Turkish speaking parties. However, İşbank cannot guarantee the accuracy, completeness or correctness of the translation. İşbank does not accept any liability whatsoever for any direct or consequential loss arising from any use of this translation due to any misleading information that may be found in the translation. Any person or entity who relies on information contained in the translation does so at his or her own risk.”