CONTRACT No. VSM-GPS-011-2006 BUYER: ECOPETROL S.A. SELLER: ARGOSY ENERGY INTERNATIONAL PURPOSE: CRUDE PURCHASE-SALE OF THE SANTANA SHARED RISK CONTRACT (CPR-SANTANA) AND GUAYUYACO ASSOCIATION CONTRACTCrude Purchase-Sale Contract • March 30th, 2007 • Gran Tierra Energy, Inc. • Crude petroleum & natural gas
The contracting parties, namely: ECOPETROL S.A., a decentralized entity of the national order, established through Law 165 of 1948, organized as a joint Stock Company pursuant to Decree 1760 of 2003, with Tax Identification Number 899-999-068-1, attached to the Ministry of Mines and Energy, with main domicile in Bogotá D.C., whose corporate bylaws are contained in Public Deed No. 4832 dated October 31, 2005, and Public Deed 4302 of September 26, 2006, from the Second Notary of the Bogotá D.C. Circle, hereinafter and for all purposes of this contract referred to as ECOPETROL or the BUYER, represented herein by CAMILO MARULANDA LOPEZ, of legal age and resident of this city, bearer of Identity Document No. 10.008.868, issued in Pereira, who in his capacity as Supply and Marketing Vice President and in exercise of the authorization contained in the Administrative Control Manual acts in the name and on behalf of this corporation and, on the other hand, ARGOSY ENERGY INTERNATIONAL, a company
