Document:

Lease Agreement between Minera Peru Copper Syndicate S.A. and Maria A. De Olazab

 Exhibit 10.51 
  
 TRA. 0414-05/N 
  
 LEASE AGREEMENT 
  
 WITNESSETH HEREBY the document issued in two (2) counterparts, whereby legal and binding force is given to the LEASE AGREEMENT entered into by and between María A.
DE OLAZÁBAL OVIEDO DE PREBLE, identified by National Identity Card (DNI) 07273415, with usual residence at Avenida El Golf Los Inkas 951, Dpto. 301, Santiago de Surco, hereinafter referred to as THE LESSOR, and MINERA PERÚ
COPPER SYNDICATE S.A., identified by Tax ID Number (RUC) 20506675457, with registered office at Av. San Borja Norte 1302, San Borja, acting by and through by Angel ÁLVAREZ ANGULO, engineer, identified by National Identity Card (DNI) 07276927,
as per power of attorney filed with the Registry of Companies of the Public Records Office in and for Lima under Entry 11532703, hereinafter referred to as THE LESSEE, under the following terms and conditions: 
  
 ONE: THE LESSOR hereby leases to THE LESSEE the apartment owned
by her, located at Av. Aurelio Miro Quesada 292, Departamento 201 and the respective garage, District of San Isidro, Province and Department of Lima, and duly filed with the Real Estate Property in and for Lima under Cards 97599 and 97585.

  
 TWO: THE LESSOR hereby leases to THE LESSEE the
furnished apartment and garage mentioned in the preceding clause to be used as dwelling, being strictly prohibited to use it for purposes other than the aforementioned one. Therefore, THE LESSEE may not sublease the real property,
either in whole or in part, or dispose of the furniture and fixtures subject matter hereof, neither may THE LESSEE convey it to third parties. Failure to comply with these obligations shall give rise to the automatic termination of this Lease
Agreement. 
  
 THREE: The term hereof is ONE (01) calendar
year for both parties, starting from June 1, 2004 and ending on May 31, 2005, being binding upon both parties. This Agreement may be renewed upon expiry of the term thereof for one additional year, for which purpose THE LESSEE shall send a
notarized letter to THE LESSOR at least two (2) months in advance of the expiry of the term hereof. 
  
 FOUR: The monthly rental mutually agreed is US$800 (Eight Hundred US Dollars), which shall be deposited, without prior request, on the first day of each month in the foreign currency account
100-0008054089 held by María A. PREBLE at INTERBANK, as indicated by THE LESSOR. 
  
 FIVE: THE LESSOR shall deliver to THE LESSEE the receipt evidencing payment of the monthly rental within three (3) days following the date stated in the tax calendar of the National
Superintendency of Tax Administration (SUNAT) and after the respective collection. 
  
 SIX: Failure to pay two (2) consecutive monthly rentals shall give rise to the termination hereof. THE LESSOR may evict THE LESSEE, collect the rentals accrued and demand a compensation for the damages
caused by the noncompliance with this clause. 

 Page 2 
  
 SEVEN: THE LESSEE represents that it has received the apartment fully furnished, in good order and repair, with its complete services,
as detailed in the attached inventory, which forms an integral part hereof as EXHIBIT 1, and undertakes to return it in the same conditions as received, except for the normal wear and tear. It is the responsibility of THE LESSEE to
maintain the apartment, furniture, electrical appliances, ornaments and fixtures in good order and repair, promptly making any electrical repairs required by the water and sewage pipes and for any minor damages caused by the normal wear and tear or
an undue use. 
  
 Likewise, THE LESSEE shall be exclusively responsible for
any failure or damage to the apartment and/or its facilities, furniture and fixtures, caused either by a mistake, negligence or fraud attributable to THE LESSEE and/or the persons under its care or service. 
  
 EIGHT: THE LESSEE may only make modifications to the leased apartment
with the prior consent of THE LESSOR, which shall be made on the exclusive account of THE LESSEE. Any improvement shall inure to the benefit of the apartment, except for those improvements that may be dismantled without damaging the
property, and THE LESSOR shall not be under the obligation to make any payment or reimbursement therefor. Upon expiry hereof, THE LESSEE must remove, on its own account, all modifications and installations made by it with the
authorization of THE LESSOR and must return the furnished apartment in the same conditions as received, unless otherwise agreed with THE LESSOR. 
  

NINE: THE LESSOR does not assume any responsibility for any accident that may occur inside the apartment and this responsibility shall be solely
and exclusively assumed by THE LESSEE. 
  
 TEN: THE LESSEE
shall bear the payment of the services of electricity, water, cable, Internet, surveillance, municipal police, parks and gardens, municipal taxes, citizenship’s safety and all taxes, either created or to be created during the term hereof,
affecting the use of the apartment. THE LESSOR shall pay the Property Tax or any other levy, either created or to be created, for which it is liable. 
  
 ELEVEN: It is expressly and formally agreed that, if THE LESSEE desires to terminate this Agreement prior to the expiry of the stipulated
term, THE LESSEE must notify this fact by means of a written notarized letter at least thirty (30) days in advance. Furthermore, THE LESSEE binds itself to pay the amount corresponding to two (2) rentals as compensation for loss of
profit and on account of all respective items. 
  
 TWELVE:
Should THE LESSEE fail to vacate the apartment after expiry of the term established in Clause Three without the parties having agreed in writing on the renewal thereof, THE LESSEE undertakes to pay, in addition to the monthly rental
stated in Clause Four and as penalty, the amount of US$30 (Thirty US Dollars) per day during the time the apartment continues to be occupied, without prejudice to the right of THE LESSOR to file the pertinent legal actions seeking to
obtain the immediate eviction of the property. 

 Page 3 
  
 THIRTEEN: Upon execution of this Agreement, THE LESSEE shall deliver to THE LESSOR the amount of US$800 (Eight Hundred US Dollars) as
advance payment for one monthly rental, by means of a check drawn to the order of María A. PREBLE, as expressly indicated by THE LESSOR. This payment shall be considered final and this constitutes an agreement contrary to the
provisions of Article 1233 of the Civil Code. 
  
 FOURTEEN:
Both parties expressly agree to submit themselves to the jurisdiction of the Judges in and for Lima for all purposes hereof, establishing as the registered office of THE LESSOR that indicated in the introduction of this Agreement and as the
registered office of THE LESSEE Av. San Borja Norte 1302, District of San Borja. If a change of address is not notified as indicated, any and all communications and judicial and notarized notices served to the domicile validly designated in
this Clause shall be deemed to have been validly delivered. 
  
 FIFTEEN: THE LESSOR shall deliver the real property to THE LESSEE on June 1, 2004. 
  
 IN WITNESS WHEREOF, the parties hereto signed this Agreement in two (2) counterparts this 28th day of May, 2004. 
  
 THE LESSOR 
 (By) (signed) María A. Preble 
  
 THE LESSEE 
 (By) (signed) Ángel Álvarez Angulo 
  

BA/MA/mcp 
 270414K5.20 

 EXHIBIT 1 
  
 LIST OF ASSETS - Apartment of Charles & Maria Preble 
 Miro Quesada 292 Dept. 201 
  

			
	 Department:
	 	Finance & Accounting
	 By:
	 	Andrea Vizcarra

  

									
	 Number

	  	 Code

	  	 Description

	  	Label

	    	Location

	 2
	  	 	  	Picture	  	 	    	Entrance hall
	 1
	  	 	  	Carpet	  	 	    	Entrance hall
	 1
	  	 	  	White drape	  	 	    	Entrance hall
	 1
	  	 	  	Ceiling glass candelabra	  	 	    	Entrance hall
	 1
	  	 	  	Wash basin	  	 	    	Visitors bathroom
	 1
	  	 	  	Watercloset	  	 	    	Visitors bathroom
	 1
	  	 	  	Trashcan	  	 	    	Visitors bathroom
	 1
	  	 	  	Beige towell	  	 	    	Visitors bathroom
	 1
	  	 	  	Plastic Soap holder	  	 	    	Visitors bathroom
	 1
	  	 	  	Glass shelf	  	 	    	Visitors bathroom
	 1
	  	 	  	Mirror	  	 	    	Visitors bathroom
	 3
	  	 	  	Mirror light	  	 	    	Visitors bathroom
	 1
	  	 	  	Artificial flower bouquet	  	 	    	Visitors bathroom
	 6
	  	 	  	Wood chair with cloth	  	 	    	Dinning room
	 1
	  	 	  	Wood table	  	 	    	Dinning room
	 1
	  	 	  	Wooden pedestal	  	 	    	Dinning room
	 2
	  	 	  	White double drape	  	 	    	Dinning room
	 1
	  	 	  	Silver trophy	  	 	    	Dinning room
	 1
	  	 	  	Wooden bar	  	 	    	Dinning room
	 1
	  	 	  	Wooden furniture	  	 	    	Dinning room
	 1
	  	 	  	Mirror with white wooden borders	  	 	    	Dinning room
	 1
	  	 	  	White telephone	  	Telefónica	    	Dinning room
	 1
	  	 	  	Picture	  	 	    	Dinning room
	 1
	  	 	  	Ceiling glass candelabrum	  	 	    	Dinning room
	 6
	  	 	  	Glass	  	 	    	Dinning room
	 2
	  	 	  	Small glass container	  	 	    	Dinning room
	 1
	  	 	  	Candle extinguisher	  	 	    	Dinning room

									
	1	 	 	 	White table cloth	  	 	  	Dinning room
	1	 	 	 	Wood table	  	 	  	Living room
	2	 	 	 	Glass candelabrum	  	 	  	Living room
	1	 	 	 	Turttle glass ornament	  	 	  	Living room
	1	 	 	 	Wood ornament	  	 	  	Living room
	1	 	 	 	Sofa, large	  	 	  	Living room
	2	 	 	 	Sofa, small	  	 	  	Living room
	1	 	 	 	Wood chair with beige cloth	  	 	  	Living room
	6	 	 	 	Beige cloth cushion	  	 	  	Living room
	1	 	 	 	Beige carpet	  	 	  	Living room
	2	 	 	 	Wood table	  	 	  	Living room
	1	 	 	 	Mirror wall	  	 	  	Living room
	2	 	 	 	glass lamp	  	 	  	Living room
	1	 	 	 	Wooden glass holder	  	 	  	Living room
	1	 	 	 	Foot lamp	  	 	  	Living room
	1	 	 	 	Wood table with marble	  	 	  	Living room
	1	 	 	 	Wooden oval style table	  	 	  	Living room
	1	 	 	 	Beige table cloth	  	 	  	Living room
	1	 	 	 	Bronze candelabra	  	 	  	Living room
	1	 	 	 	Glass box for bombons	  	 	  	Living room
	1	 	 	 	Glass flower base	  	 	  	Living room
	1	 	 	 	Wood dressing table	  	 	  	Living room
	3	 	 	 	Wooden candelabrum	  	 	  	Living room
	1	 	 	 	Picture	  	 	  	Living room
	1	 	 	 	White double drape	  	 	  	Living room
	1	 	 	 	Wooden ornament	  	 	  	Living room
	1	 	 	 	ceramic ornament	  	 	  	Living room
	1	 	 	 	Picture	  	 	  	Kitchen
	1	 	 	 	Intercomunicator	  	 	  	Kitchen
	1	 	 	 	Square table	  	 	  	Kitchen
	1	 	 	 	White wood chair with cloth	  	 	  	Kitchen
	1	 	 	 	Napkin holder	  	 	  	Kitchen
	1	 	 	 	Water holder	  	 	  	Kitchen
	1	 	 	 	Wood bread basquet	  	 	  	Kitchen
	1	 	 	 	White waffler machine	  	Imaco	  	Kitchen
	1	 	 	 	White toaster	  	Oster	  	Kitchen

									
	1	 	 	 	Beige refrigerator	  	Kenmore	  	Kitchen
	1	 	 	 	Metal oiler	  	 	  	Kitchen
	1	 	 	 	Beige kitchen with four pans and one oven	  	 	  	Kitchen
	1	 	 	 	White electric boiler	  	Oster	  	Kitchen
	1	 	 	 	Black coffee machine	  	Braun	  	Kitchen
	1	 	 	 	White plastic trashcan	  	 	  	Kitchen
	1	 	 	 	White drape	  	 	  	Kitchen
	1	 	 	 	White dinner set holder	  	 	  	Kitchen
	2	 	 	 	Wooden tray	  	 	  	Kitchen
	4	 	 	 	Ceramic bottle with wood	  	 	  	Kitchen
	1	 	 	 	Marble cheese holder	  	 	  	Kitchen
	1	 	 	 	Black ceramic container	  	 	  	Kitchen
	2	 	 	 	Beige beerglass	  	 	  	Kitchen
	8	 	 	 	Wine glass	  	 	  	Kitchen
	23	 	 	 	Waterglass	  	 	  	Kitchen
	8	 	 	 	Blue individual table cloth	  	 	  	Kitchen
	5	 	 	 	Kitchen cloth for drying dishes	  	 	  	Kitchen
	8	 	 	 	White ceramic plate	  	 	  	Kitchen
	8	 	 	 	White ceramic soupplate	  	 	  	Kitchen
	1	 	 	 	White ceramic boiler	  	 	  	Kitchen
	1	 	 	 	Pink pirex	  	 	  	Kitchen
	2	 	 	 	Glass pirex	  	 	  	Kitchen
	1	 	 	 	Glass jar	  	 	  	Kitchen
	1	 	 	 	Wooden cheese holder	  	 	  	Kitchen
	1	 	 	 	White suggarcup	  	 	  	Kitchen
	2	 	 	 	White fluorecent light	  	 	  	Kitchen
	5	 	 	 	Ornament (over the kitchen furniture)	  	 	  	Kitchen
	3	 	 	 	Metal pot	  	 	  	Kitchen
	1	 	 	 	Frying pan	  	 	  	Kitchen
	1	 	 	 	Long glass pirex	  	 	  	Kitchen
	1	 	 	 	Long metal molde	  	 	  	Kitchen
	4	 	 	 	Tupper	  	 	  	Kitchen
	11	 	 	 	Metal knife	  	 	  	Kitchen
	6	 	 	 	Metal spoon	  	 	  	Kitchen
	16	 	 	 	Metal fourk	  	 	  	Kitchen
	15	 	 	 	Metal teaspoon	  	 	  	Kitchen

									
	 1
	  	 	  	White knife, spoon, fourk and teaspoon holder	  	Rubbermaid	  	Kitchen
	 5
	  	 	  	Kitchen utenciles	  	 	  	Kitchen
	 1
	  	 	  	Metal cheese grater	  	 	  	Kitchen
	 1
	  	 	  	White shaker	  	Oster	  	Kitchen
	 2
	  	 	  	Plastic colander	  	 	  	Kitchen
	 8
	  	 	  	White ceramic cup	  	 	  	Kitchen
	 8
	  	 	  	White ceramic bread plate	  	 	  	Kitchen
	 8
	  	 	  	White ceramic cup plate	  	 	  	Kitchen
	 2
	  	 	  	White ceramic pirex	  	 	  	Kitchen
	 3
	  	 	  	Glass recipient	  	 	  	Kitchen
	 1
	  	 	  	Yellow pirex	  	 	  	Kitchen
	 1
	  	 	  	Beige cloth dryer	  	Kenmore	  	Laundry
	 1
	  	 	  	Beige washing machine	  	Kenmore	  	Laundry
	 1
	  	 	  	Water heater	  	 	  	Laundry
	 1
	  	 	  	Iron furniture	  	 	  	Laundry
	 1
	  	 	  	White drape	  	 	  	Laundry
	 2
	  	 	  	Black folding bed	  	 	  	Service room
	 2
	  	 	  	White heater	  	EWT GERMANY	  	Service room
	 1
	  	 	  	White iron	  	Black&Decker	  	Service room
	 1
	  	 	  	White fan	  	Universal 2000	  	Service room
	 1
	  	 	  	Beige drape	  	 	  	Service room
	 1
	  	 	  	White wooden bureau	  	 	  	Service room
	 1
	  	 	  	Blue vacuum cleaner	  	Electrolux	  	Service room
	 3
	  	 	  	Broom	  	 	  	Service room
	 1
	  	 	  	Watercloset	  	 	  	Service bathroom
	 1
	  	 	  	Wash basin	  	 	  	Service bathroom
	 1
	  	 	  	White plastic trashcan	  	 	  	Service bathroom
	 2
	  	 	  	Plastic pail	  	 	  	Service bathroom
	 3
	  	 	  	Broom	  	 	  	Service bathroom
	 1
	  	 	  	Dust gatherer	  	 	  	Service bathroom
	 1
	  	 	  	Mirror with blue borders	  	 	  	Service bathroom
	 3
	  	 	  	Picture	  	 	  	Distribution Hall
	 1
	  	 	  	Ceiling glass candelabrum	  	 	  	Distribution Hall
	 2
	  	 	  	Beige wooden single bed	  	 	  	Bedroom
	 1
	  	 	  	Beige wooden nighttable	  	 	  	Bedroom
	 1
	  	 	  	Beige lamp	  	 	  	Bedroom

									
	 1
	  	 	  	Beige telephone	  	NEC	  	Bedroom
	 1
	  	 	  	Black television	  	SHARP	  	Bedroom
	 1
	  	 	  	Black remote control	  	SHARP	  	Bedroom
	 2
	  	 	  	Ceramic ash tray	  	 	  	Bedroom
	 1
	  	 	  	Dressing table with three drawers	  	 	  	Bedroom
	 1
	  	 	  	Mirror with beige wooden borders	  	 	  	Bedroom
	 1
	  	 	  	Beige wooden chair with cloth	  	 	  	Bedroom
	 2
	  	 	  	Beige double drape	  	 	  	Bedroom
	 1
	  	 	  	Beige plastic trashcan	  	 	  	Bedroom
	 1
	  	 	  	Blue carpet	  	 	  	Bedroom
	 1
	  	 	  	Picture	  	 	  	Bathroom
	 1
	  	 	  	Wash basin	  	 	  	Bathroom
	 1
	  	 	  	Watercloset	  	 	  	Bathroom
	 1
	  	 	  	Beige plastic trashcan	  	 	  	Bathroom
	 1
	  	 	  	Green carpet	  	 	  	Bathroom
	 2
	  	 	  	Spot light	  	 	  	Bathroom
	 1
	  	 	  	Ceiling glass lamp	  	 	  	Bathroom
	 2
	  	 	  	Picture	  	 	  	Master bedroom
	 2
	  	 	  	Wood nighttable	  	 	  	Master bedroom
	 2
	  	 	  	Lamp	  	 	  	Master bedroom
	 1
	  	 	  	White telephone	  	NEC	  	Master bedroom
	 1
	  	 	  	Wooden twin bed	  	 	  	Master bedroom
	 1
	  	 	  	Wooden chair with cloth	  	 	  	Master bedroom
	 1
	  	 	  	Plastic folding table	  	 	  	Master bedroom
	 1
	  	 	  	White fan	  	Mirray	  	Master bedroom
	 1
	  	 	  	Wooden furniture	  	 	  	Master bedroom
	 2
	  	 	  	Beige double drape	  	 	  	Master bedroom
	 1
	  	 	  	Mirror wall	  	 	  	Master bedroom
	 1
	  	 	  	Television	  	Panasonic	  	Master bedroom
	 1
	  	 	  	VHS	  	Sony	  	Master bedroom
	 1
	  	 	  	Remote control	  	Panasonic	  	Master bedroom
	 1
	  	 	  	Beige carpet	  	 	  	Master bedroom
	 1
	  	 	  	Watercloset	  	 	  	Master bathroom
	 1
	  	 	  	Labatory	  	 	  	Master bathroom
	 1
	  	 	  	Bidet	  	 	  	Master bathroom
	 3
	  	 	  	White ceramic ornament	  	 	  	Master bathroom

  
  

									
	 1
	  	 	  	Blue glass flower base	  	 	  	Master bathroom
	 1
	  	 	  	White carpet	  	 	  	Master bathroom
	 1
	  	 	  	Beige plastic trashcan	  	 	  	Master bathroom
	 1
	  	 	  	Pink bathroom drape	  	 	  	Master bathroom
	 1
	  	 	  	Brown hairdryer	  	Vidal Sassoon	  	Master bathroom
	 2
	  	 	  	Spot light	  	 	  	Master bathroom
	 1
	  	 	  	Ceiling glass lamp	  	 	  	Master bathroom
	 1
	  	 	  	Wooden book shelf	  	 	  	Study
	 1
	  	 	  	Wooden desktop with four drawers	  	 	  	Study
	 1
	  	 	  	Computer desktop	  	 	  	Study
	 1
	  	 	  	White telephone	  	Panasonic	  	Study
	 1
	  	 	  	Grey desktop lamp	  	 	  	Study
	 1
	  	 	  	Wooden trashcan	  	 	  	Study
	 1
	  	 	  	White wooden chair with cloth	  	 	  	Study
	 1
	  	 	  	White double drape	  	 	  	Study
	 1
	  	 	  	Wooden furniture with shelfs	  	 	  	Study
	 1
	  	 	  	Black swivel chair	  	 	  	Study
	 1
	  	 	  	Flat computer monitor	  	Samsung	  	Study
	 2
	  	 	  	White speakers	  	Genius	  	Study
	 1
	  	 	  	Printer	  	HP PSC 1210	  	Study
	 1
	  	 	  	CPU	  	LG	  	Study
	 1
	  	 	  	Black box for internet connection (Speedy)	  	Telefónica	  	Study
	 1
	  	 	  	Beige carpet fixed to the floor	  	 	  	StudyConsulting Services Agreement between Minera Peru Copper Syndicate S.A. and Juli

 Exhibit 10.52 
  
 TRA. 0413-05/N 
  
 CONSULTING SERVICES AGREEMENT 
  
 WITNESSETH HEREBY the Consulting Services Agreement entered into by and between: 
  

MINERA PERÚ COPPER SYNDICATE S.A., identified by Tax ID Number (RUC) 20508875457, acting by and through its General Manager, Charles PREBLE, identified
by Alien’s Card 84967, and its Administrative Manager, Luis Alfredo DE OLAZÁVAL OVIEDO, identified by National Identity Card (DNI) 09877637, duly authorized as per power of attorney filed with the Registry of Companies in and for Lima
under Entry 11532703, with registered office for the purposes hereof at Avenida San Borja Norte # 1302, District of San Borja, Province of Lima, Department of Lima, hereinafter referred to as “THE COMPANY”, and 
  
 Julián TÚPAC YUPANQUI, identified by National Identity Card (DNI)
08485945 and Tax ID Number (RUC) 10085849544, with usual residence for the purposes hereof at Javier Prado Este 4011, District of Surco, Province of Lima, hereinafter referred to as “THE CONSULTANT”. 
  
 They shall be jointly referred to as the “Parties”. 
  
 In consideration of the mutual covenants and agreements contained herein and for other good
and valuable consideration, the receipt of which is hereby acknowledged, THE COMPANY and THE CONSULTANT agree the following: 
  

	I.	SERVICES 

  

	 	1.1	This Agreement regulates the consulting services to be rendered by THE CONSULTANT to THE COMPANY for purposes of preparing the SOCIOECONOMIC DIAGNOSIS
STUDY OF THE AREA OF INFLUENCE OF THE TOROMOCHO PROJECT, pursuant to the terms and conditions hereof. The study is contained in the technical and economic proposal that forms an integral part hereof. 

  

	 	1.2	The objectives and actions to be accomplished by the service are as follows: 

  

	 	a.	Identification of stakeholders 

  

	 	b.	Identification of interests, demands, fears, attitudes and expectations of stakeholders 

  

	 	c.	Advice on the community relations plan 

  

	 	d.	Workshop intended for the company’s personnel 

  

	 	e.	Identification of support groups 

  

	 	f.	Method for working with support groups so as to give rise to favorable opinions 

  

	 	g.	Evaluation of the company’s work with the population 

 Page 2 
  

	 	h.	Design of an awareness campaign in favor of the mining industry 

  

	 	i.	Evaluation of the execution of the awareness campaign 

  

	 	j.	Proposed activities to improve the management of the local Municipality 

  

	 	k.	Proposal to improve the management of neighboring communities 

  

	 	l.	Preparation of the proposal to contain / respond to those groups opposing the company 

  

	 	m.	Evaluation of the work of Non-governmental Organizations (ONGs) 

  

	 	n.	Identification of the public and private institutions with which the company must coordinate and preparation of proposals of activities to be carried out 

 

	 	o.	Advice on image enhancement 

  

	 	p.	Preparation of disclosure material 

  

	 	q.	Proposed persuasion campaigns among the population 

  

	 	1.3	The service to be rendered by THE CONSULTANT, the results he may obtain and the recommendations he may give shall be keyed to develop the Toromocho mining project.

  

	 	1.4	Any and all services provided by THE CONSULTANT hereunder shall be hereinafter referred to as “Services”. 

  

	2.	AUTHORIZED REPRESENTATIVES 

  
 Any and all notices related hereto shall be addressed to the following entities or their duly appointed representatives or successors: 
  

					
	THE COMPANY	  	:	  	MINERA PERÚ COPPER S.A.
	Representative	  	:	  	Luis Alfredo DE OLAZÁVAL OVIEDO
	Office	  	:	  	Administrative Manager
	Address	  	:	  	Av. San Borja Norte 1302
	Telephone	  	:	  	476-7000
	Fax	  	:	  	476-7070
	E-mail	  	:	  	ladompcs@speedy.com.pe
			
	THE CONSULTANT	  	:	  	Julián TÚPAC YUPANQUI, Engineer
	Address	  	:	  	Av. Javier Prado 4011, Surco, Lima
	Telephone	  	:	  	435-5104
	E-mail	  	:	  	jtupacyupanqui@perumine.com

  

	3.	COMPENSATION 

  

	 	3.1	In consideration of a satisfactory execution and within the term stipulated for the Services to be rendered by THE CONSULTANT hereunder, THE COMPANY shall pay
THE CONSULTANT the amount of US$19,475.50 (Nineteen Thousand Four Hundred Seventy-Five and 50/100 US Dollars) plus the taxes provided for by law. 

 Page 3 
  

	 	3.2	The payment method shall be as follows: 

  
 Payments shall be effected in two parts: 50% on the effective date of the agreement and the remaining 50% upon completion of the service and against the
delivery of the report issued by THE CONSULTANT, prior approval of THE COMPANY. 
  

	 	3.3	Payments shall be made through a bank transfer for credit to the current account in foreign currency held by THE CONSULTANT, as indicated in the invoice or letter attached
thereto. 

  

	4.	TERM 

  
 The term of this Agreement is six (6) months as from the execution hereof. 
  

	5.	OBLIGATIONS 

  

	 	5.1	THE COMPANY shall facilitate access to the Project areas, granting such authorizations and furnishing such documents and information as may be relevant to the study.

  
 Furthermore, the responsible officers must
participate in the meetings with important authorities and stakeholders, clarifying any doubt and answering any questions asked to THE COMPANY. 
  

	 	5.2	THE CONSULTANT shall assume the liability and costs arising from the preparation of the technical file mentioned in the terms of reference, as well as the liability for the
professionals assisting him in the development of the study. 

  

	 	5.3	Any issue not provided for herein shall be coordinated and agreed upon by the parties on an equal and fair basis. 

  

	6.	WARRANTY FOR THE CONSULTANT’S SERVICES 

  
 During the performance of the services hereunder, THE CONSULTANT, individually and on behalf of the professionals assisting him, warrants that he
shall render the services with the same degree of care, ability and diligence as that required by THE COMPANY for the execution and performance of services. THE CONSULTANT warrants that the performance of his personnel shall reflect
his best professional knowledge, skills and judgment. 

 Page 4 
  

	7.	INDEPENDENT CONTRACTOR 

  

	 	7.1	Unless otherwise stated in an independent representation contract, if any has been entered into, THE CONSULTANT agrees to provide the Services stipulated herein as an
independent contractor and not as a representative of THE COMPANY. Moreover, any and all persons hired by THE CONSULTANT or his authorized subcontractors in connection with such Services shall be considered to be employees of
THE CONSULTANT and not employees or agents of THE COMPANY. THE CONSULTANT shall not be entitled to engage in undertakings or enter into any kind of contracts on behalf of THE COMPANY, unless THE COMPANY
grants its written authorization. In direct coordination with THE COMPANY, THE CONSULTANT shall supervise the performance of his own Services. 

  

	 	7.2	THE CONSULTANT represents that he has wide experience and is duly qualified, registered, authorized, equipped and organized and owns the financial resources necessary to
render the Services hereunder. 

  

	 	7.3	Nothing contained herein or in any subcontract shall create any contractual relationship between THE COMPANY and any employee, supplier or subcontractor assisting THE
CONSULTANT. 

  

	8.	CONFIDENTIALITY 

  
 THE CONSULTANT, individually and on behalf of the professionals, agents and subcontractors assisting him, agrees to keep confidential and treat as
restricted information and, if THE COMPANY has not granted its express written consent, accepts not to disclose to third parties, during the term hereof and after expiration hereof, the information obtained during the performance of his
services or any other oral or written information related to the description (including technical information, experience or data) of such plans, programs, processes, projects, costs, equipment, operations or customers of THE COMPANY
as THE COMPANY may make available to him and/or to any of his professionals, agents, and subcontractors for the performance hereof. THE CONSULTANT agrees to take reasonable precautions and measures, either contractual or of any
other nature, to prevent the unauthorized disclosure or use of the information obtained. 
  
 Such information shall not include: 
  

	 	a.	Information in the possession of THE CONSULTANT, either currently or prior to the execution hereof. 

  

	 	b.	Information of public domain or freely available due to causes other than a noncompliance of THE CONSULTANT and that the public can use without engaging in any direct or
indirect obligation to THE COMPANY. 

 Page 5 
  

	 	c.	Information acquired by THE CONSULTANT or that THE CONSULTANT may acquire at any time from third parties who are the legal owners of such information and who have no
direct or indirect obligations with THE COMPANY with respect to said information. 

  

	 	d.	Information required to comply with administrative, legal or arbitration proceedings. 

  

	9.	ACCEPTANCE OF RISKS AND INDEMNITIES 

  
 THE CONSULTANT, individually and on behalf of the workers, agents, assignees and subcontractors assisting him, voluntarily agrees to assume any
reasonable risks associated with the services to be rendered hereunder. Furthermore, THE CONSULTANT agrees to indemnify, defend and hold harmless THE COMPANY against any and all known and effective liabilities, claims, fines,
sanctions, complaints, causes of action, losses, damages, court costs and attorney’s fees arising from the noncompliance by THE CONSULTANT with the provisions hereof, or from negligent or intentional acts, or omissions of THE
CONSULTANT, his employees, agents, assignees and/or subcontractors supporting him in the performance of the Services hereunder; provided, however, that such indemnity shall not apply to injuries or damages resulting from
intentional or negligent acts of THE COMPANY or of its own employees, agents, assignees and subcontractors. 
  

	10.	COMPLIANCE WITH THE SAFETY AND NON-INTERFERENCE RULES 

  
 THE CONSULTANT, the professionals, agents and subcontractors assisting him in the rendering of the Services herein stipulated shall abide by all
the Safety Rules and the Environmental Protection and Social Responsibility Policy of THE COMPANY. THE CONSULTANT represents and warrants that such professionals, agents and subcontractors shall be acquainted with and aware of all safety
rules. 
  
 THE CONSULTANT, individually and on behalf of
the professionals, employees, agents, assignees and subcontractors assisting him, agrees to comply with all the safety instructions issued by the supervisory personnel of THE COMPANY. In addition, THE CONSULTANT agrees not to interfere
in the activities of THE COMPANY, including the activities of third parties working in the facilities of THE COMPANY at its request. 
  

	11.	ASSIGNMENT 

  
 THE CONSULTANT shall not assign or subcontract his rights nor shall he delegate his duties hereunder without the express written consent of THE
COMPANY, which may be denied if deemed convenient by THE COMPANY. All authorized subcontracts must contain provisions that guarantee all the rights and remedies of THE COMPANY hereunder and impose upon the subcontractor all the
general duties and obligations of THE CONSULTANT hereunder. 

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	12.	TERMINATION 

  

	 	12.1	THE COMPANY expressly reserves the right to terminate this Agreement without a judicial decision, with or without the statement of a cause. To this effect, a letter shall be
sent to THE CONSULTANT at least seven (7) calendar days in advance of the effective date of termination. The termination shall only take effect upon expiry of the stipulated term. The termination shall entitle THE CONSULTANT to receive
an indemnity, retaining 50% of the amount received as advance payment to cover the expenses and damages incurred to perform the service. 

  

	13.	DOMICILE, APPLICABLE LAW AND SETTLEMENT OF DISPUTES 

  

	 	13.1	The parties establish as their domiciles those appearing in the introduction of this document and any communication and correspondence relating to the Agreement and its performance
shall be forwarded to such domiciles. 

  
 These
domiciles may be only changed by means of a prior notarized letter sent by the interested party at least seven (7) business days prior to the effective change of domicile. Otherwise, any and all communications sent to the domiciles stated in the
introductory part hereof shall be deemed validly delivered. 
  

	 	13.2	The validity, interpretation and performance of this Agreement shall be governed by the Peruvian laws in force. 

  

	 	13.3	Any disagreement regarding the validity, applicability and interpretation of this Agreement shall be submitted to an arbitration de jure, in accordance with the legal
provisions in force. 

  

	14.	GENERAL PROVISIONS 

  

	 	a.	This Agreement may be solely amended by means of a written document signed by both parties. 

  

	 	b.	No amendment or modification to the provisions hereof shall be valid if it is not made in writing and signed by both parties. 

  

	 	c.	If, on one or more occasions, either of the parties fails to demand compliance with the terms hereof from the other party, this fact shall not be deemed a waiver by such party of
any of its rights hereunder, either past, present or future. The obligations of both parties shall remain in full force and effect. 

 Page 7 
  

	 	d.	If an Arbitration Court or a competent body of the Judiciary decides that any of the provisions, clauses or subclauses hereof must be rendered null and void or unenforceable, either
totally or partially, this decision shall not affect the validity of the other provisions hereof. All the provisions, clauses and subclauses hereof are divisible and constitute an independent, different and binding agreement.

  

	 	e.	The headings of the paragraphs have been inserted for convenience only and shall not be considered as part of this Agreement or as a limitation on the scope of the specific sections
they may refer to. 

  

	15.	EXECUTION 

  
 The undersigned parties represent that they are fully authorized to enter into this Agreement in all the terms and conditions contained therein.
Furthermore, they recognize that they have read and understood it and agree to abide by its terms and conditions. 
  
 IN WITNESS WHEREOF, the parties hereto signed this Agreement in two (2) counterparts in the city of Lima, this 15th day of October, 2004. 
  

			
	 (signed)
	  	 Charles Preble

	 	  	 General Manager

	 	  	 MINERA PERU COPPER

		
	 (signed)
	  	 Luis Alfredo de Olazával Oviedo

	 	  	 Administrative Manager

	 	  	 MINERA PERU COPPER

		
	 (signed)
	  	 Julián Túpac Yupanqui

	 	  	 Consultant

  
 (illegible signature) 
  
 BA/MA/mcp 
 270413K5.20

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