Common use of EXHIBIT FOUR Clause in Contracts

EXHIBIT FOUR. You are kindly requested in your capacity as Notary Public to enter in your Notarial Record Book one evidencing the TRUST ADMINISTRATION AGREEMENT (the “AGREEMENT”) entered into by and between: Acting in its capacity as “TRUSTOR”: MINERA PERÚ COPPER S.A. (hereinafter “MINERA PERÚ COPPER” or the “TRUSTOR”, indistinctively) joint stock company incorporated under the laws of the Republic of Peru, registered on Entry 00001 of Electronic Card 11532703 of the Registry of Companies in and for Lima, identified by Tax ID Number (RUC) 20506675457, with principal place of business at A▇▇▇▇▇▇ ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ 1302, San B▇▇▇▇, Lima 41, acting by and through C▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇, identified by Alien ID Card (CE) 000084967, and T▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, identified by Alien ID Card (CE) 114608 as per powers of attorney registered on Entry C-00003 and Entry D-0002 of Electronic Card 11532703 of the Registry of Companies of the Public Records Office in and for Lima. Acting in its capacity as “TRUST BENEFICIARY”: MINISTRY OF ENERGY AND MINES (hereinafter the “MINISTRY” or the “TRUST BENEFICIARY”, indistinctively) identified by Tax ID Number (RUC) 20131368829, with principal place of business at A▇. ▇▇▇ ▇▇▇▇▇ ▇▇▇ ▇▇▇ – ▇▇▇ ▇▇▇▇▇, ▇▇▇▇ 41, acting by and through the Vice-Minister of Energy and M▇▇▇▇, ▇▇▇▇▇▇ MUCHO MAMANI, identified by National Identity Card (DNI) 0▇▇▇▇▇▇▇, appointed as per Supreme Resolution 021-2006-EM dated April 27, 2006, and authorized as per Ministerial Resolution 282-2006-MEM/DM dated June 9, 2006. Acting in its capacity as “TRUSTEE”: SCOTIABANK PERU S.A.A. (formerly Banco W▇▇▇▇ Sudameris S.A.A.) identified by Tax ID Number (RUC) 2010043140, with principal place of business at D▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇ ▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇ and Department of Lima, acting by and through Francisco J▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇ ▇▇▇▇▇▇▇, identified by National Identity Card (DNI) 3▇▇▇▇▇▇▇ and A▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ I▇▇▇▇▇▇, identified by National Identity Card (DNI) 0▇▇▇▇▇▇▇, as per powers of attorney registered on Entry C 00145 of Electronic Card 1▇▇▇▇▇▇▇ of the Registry of Companies in and for Lima and El Callao (hereinafter the “TRUSTEE”). It is hereby certified that by Shareholder’s Meeting held on April 28, 2006 it was agreed to change the name of Banco W▇▇▇▇ Sudameris to Scotiabank Perú S.A.A., which proceeding will be in due time executed as provided for by law. Moreover, this AGREEMENT is entered into with the participation of the Agency for the Promotion of Private Investment (hereinafter “PROINVERSIÓN”) identified by Tax ID Number (RUC) 20380799643, with principal place of business at A▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇ ▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇, ▇▇▇▇ 9, San Isidro, Lima, acting by and through its Executive Director R▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇, identified by National Identity Card (DNI) 0▇▇▇▇▇▇▇, appointed as per Ministerial Resolution 180-2004-EF/10 dated March 22, 2004, and ratified by Supreme Decree 015-2006-EF. This AGREEMENT is entered into under the terms and conditions set forth in the following clauses:

EXHIBIT FOUR. You are kindly requested in your capacity as Notary Public to enter in your Notarial Record Book one evidencing the TRUST ADMINISTRATION AGREEMENT (the “AGREEMENT”) entered into by and between: Acting in its capacity as “TRUSTOR”: MINERA PERÚ COPPER S.A. (hereinafter “MINERA PERÚ COPPER” or the “TRUSTOR”, indistinctively) joint stock company incorporated under the laws of the Republic of Peru, registered on Entry 00001 of Electronic Card 11532703 of the Registry of Companies in and for Lima, identified by Tax ID Number (RUC) 20506675457, with principal place of business at A▇▇▇▇▇▇▇ ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ 1302, San B▇▇▇▇▇, Lima 41, acting by and through C▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇, identified by Alien ▇▇▇▇▇ ID Card (CE) 000084967, and T▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇, identified by Alien ID Card (CE) 114608 as per powers of attorney registered on Entry C-00003 and Entry D-0002 of Electronic Card 11532703 of the Registry of Companies of the Public Records Office in and for Lima. Acting in its capacity as “TRUST BENEFICIARY”: MINISTRY OF ENERGY AND MINES (hereinafter the “MINISTRY” or the “TRUST BENEFICIARY”, indistinctively) identified by Tax ID Number (RUC) 20131368829, with principal place of business at A▇▇. ▇▇▇ ▇▇▇▇▇ ▇▇▇ ▇▇▇ – - ▇▇▇ ▇▇▇▇▇, ▇▇▇▇ Lima 41, acting by and through the Vice-Minister of Energy and M▇▇▇▇▇, ▇▇▇▇▇▇ MUCHO MAMANI, identified by National Identity Card (DNI) 0▇▇▇▇▇▇▇▇, appointed as per Supreme Resolution 021-2006-EM dated April 27, 2006, and authorized as per Ministerial Resolution 282-2006-MEM/DM dated June 9, 2006. Acting in its capacity as “TRUSTEE”: SCOTIABANK PERU S.A.A. (formerly Banco W▇▇▇▇▇ Sudameris S.A.A.) identified by Tax ID Number (RUC) 2010043140, with principal place of business at D▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇ ▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇ Province and Department of Lima, acting by and through Francisco J▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇ ▇▇▇▇▇▇▇, identified by National Identity Card (DNI) 3▇▇▇▇▇▇▇▇ and A▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ I▇▇▇▇▇▇▇, identified by National Identity Card (DNI) 0▇▇▇▇▇▇▇▇, as per powers of attorney registered on Entry C 00145 of Electronic Card 1▇▇▇▇▇▇▇▇ of the Registry of Companies in and for Lima and El Callao (hereinafter the “TRUSTEE”). It is hereby certified that by Shareholder’s Meeting held on April 28, 2006 it was agreed to change the name of Banco W▇▇▇▇▇ Sudameris to Scotiabank Perú S.A.A., which proceeding will be in due time executed as provided for by law. Moreover, this AGREEMENT is entered into with the participation of the Agency for the Promotion of Private Investment (hereinafter “PROINVERSIÓNPROINVERSION”) identified by Tax ID Number (RUC) 20380799643, with principal place of business at A▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇ ▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇, ▇▇▇▇ 9, San Isidro, Lima, acting by and through its Executive Director R▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇, identified by National Identity Card (DNI) 0▇▇▇▇▇▇▇▇, appointed as per Ministerial Resolution 180-2004-EF/10 dated March 22, 2004, and ratified by Supreme Decree 015-2006-EF. This AGREEMENT is entered into under the terms and conditions set forth in the following clauses: ONE: INTERPRETATION AND DEFINITIONS In order to understand this AGREEMENT, the parties hereby agree to the following: