Page 1 TCHAD OIL TRANSPORTATION COMPANY S.A. March 29, 2001 International Bank for Reconstruction and Development 1818 H Street, N.W. Washington, D.C. 20433 United States of America Re: Loan No. 4558 CD Project Agreement (Petroleum Development and Pipeline Project) Performance Indicators Dear Sirs: We refer to paragraph (a) of Schedule 2 of the above-referenced Project Agreement and confirm, on behalf of TOTCO, that the performance indicators agreed upon between TOTCO and the Bank are as shown in the Annex to this letter. Very truly yours, TOTCO By /s/ André Madec Authorized Representative Attachment ANNEX Performance Indicators 1. (a) Export of first oil flow through pipeline by end-2004 and 81 million barrels/year in 2005-2007. (b) Government petroleum revenues of at least US$70 million per annum by 2005-2007. 2. Private sector ownership and control of Doba oilfields and pipeline companies (excluding Government share). 3. Achievement of targets and norms prescribed in the EMP, including the Resettlement and Compensation Plan. 4. (a) Construction of at least 35 % of the infrastructure facilities referred to in paragraphs (a), (b), (c), (d), (e) and (f) of Part A of Schedule 2 to the Loan Agreement by end-2002, and at least 75% of these infrastructure facilities by end-2003. (b) Construction of 70 km of pipeline in Chad by end-2003. (c) Upgrading of at least 100km of roads and construction of Mbere River bridge by end-2002. Page 2 (d) Commissioning of Export System and Field System before end-2004. 5. Project investments in Chad of US$250 million by end-2001, of US$550 million by end-2002, and of US$1,350 million by end-2003. 6. Re: environmental and social aspects: (a) compensation and resettlement completed in a timely manner; (b) no significant or lasting environmental damage caused by construction; (c) minimal social conflict in project area; and (d) affected communities participate in economic benefits.