Page 1 TURKIYE ELEKTRIK ILETIM VE URETIM A.S. June 25, 1998 International Bank for Reconstruction and Development 1818 H St., NW Washington, DC 20433 United States of America Re: Loan No. 4344 TU (National Transmission Grid Project) Performance Indicators - Loan Agreement Dear Sirs or Mesdames: This refers to the provisions of paragraph 6 of Schedule 5 to the Loan Agreement (National Transmission Grid Project) of even date herewith between the International Bank for Reconstruction and Development (the Bank) and Turkiye Elektrik Iletim ve Uretim A.S. (the Borrower). The Borrower hearby confirms to the Bank that the performance indicators set forth in the attachment to this letter shall serve as the basis for the Borrower to monitor and evaluate the progress of the Project and the achievement of the objectives thereof. Very truly yours, TURKIYE ELEKTRIK ILETIM VE URETIM A.S. By /s/ Gunes Taner Authorized Representative