Minería” authorized the expansion of the Toquepala  SX/EW Plant to a 18,737-Metric Ton/Day throughput. Based on Report No. 506-98-EM/DGM/DPDM,  dated September 2, 1998, the “Director General de  Minería” authorized the expansion of the Ilo Cop- per Refinery to a capacity of 658 Metric Tons/Day  throughput of blister copper. Based on Report N° 080-2002-EM-DGM/DPDM,  dated March 13th, 2002, the “Director General de  Minería” authorized the expansion of the Ilo Cop- per Refinery to a capacity of 800 MT/Day. Based on Report No. 204-2000-EM-DGM-DPDM,  dated June 20, 2000, the “Director General de Min- ería” authorized the expansion of the Ilo Smelter  to a 3,100-Metric Ton/Day throughput of copper  concentrates. separating sand and other materials from the co- quina using sea water washing screens. The purpose of Southern Peru Copper Corporation (SPCC)  is to engage in activities allowed by the laws of the State  of Delaware. Its main activity is to extract, mill, concen- trate, smelt, treat, prepare for market, manufacture, sell,  exchange and, in general, to produce and negotiate the  sale of copper, gold, silver, lead, zinc, iron and any other  class of minerals and materials or other materials, effects  and goods of any nature or description; as well as to  explore, exploit, sample, examine, investigate, recognize,  locate, appraise, buy, sell, exchange, etc., mining conces- sions and mining deposits. SPCC belongs to the CIUU  1320 group.  The term of duration of the Company is indefinite. The Company was incorporated on December 12, 1952,  fifty-two years ago, according to the Laws of the State  of Delaware, United States of America, under the name  of Southern Peru Copper Corporation (SPCC). In 1954,  SPCC established a branch in Peru to carry out mining  activities in this country.  Nº 3025091 for business entities, Registry Office of Lima  and Callao (formerly, Entry N° 384 under Record N°  2447, Mining Individuals and Business Entities of the  Public Mining Registry). On September 7, 1995, Southern Peru Copper Holding  Company was incorporated, also in accordance with the  laws of the State of Delaware, with the purpose of acting  as a holding company of 100% of Southern Peru Copper  Corporation’s shares (SPCC). By the end of 1995, SPCC  changed its name to Southern Peru Limited, and South- ern Peru Copper Holding Company changed its name to  Southern Peru Copper Corporation.  See “Expansion and Modernization Program” on page 12. On November 20th, 1996, SPCC and the Peruvian gov- ernment (Ministry of Energy and Mines) signed a contract  that will remain effective until the year 2010 and which  guarantees tax stability and the availability of foreign  currency to exchange the Branch’s earnings related to  the operation of the SX/EW plant at Toquepala and the  Solvent Extraction (SX) operation in Cuajone. Also, on  April 18th, 1995, SPCC and the Peruvian Government  (CONITE) signed a contract that guarantees the avail- ability of foreign currency, free remittance of dividends  abroad, among other guarantees related to the acid plant  of the Ilo Smelter.  Both companies agreed, effective December 31, 1998,  to the merger of Southern Peru Copper Corporation  with Southern Peru Limited, the former absorbing the  latter and with SPCC assuming all assets and liabilities,  including the branch in Peru. This merger did not imply  any modification to the participation percentages in  the equity stock or the Patrimony Participation Account  (investment stock), which remained unchanged.  Mining activities in Peru are carried out under the name  of Southern Peru Copper Corporation, abbreviated as  Southern Peru or the initials SPCC, through its branch  in Peru. The branch is registered under Electronic Record  SPCC’s tax credit revenues in Peru derive from the general  sales tax (IGV) paid on the acquisition of capital goods  and other goods and services used in its operations,  which are accounted for as expenses paid in advance. By  virtue of this rebate, SPCC is entitled to credit the any IGV  amount against its Peruvian tax obligations or to receive  a rebate. 4. Cuajone Leaching Plant (LX/EW): Authorized by Direc- torial Resolution No.155-96-EM/DGM, dated May 6,  1996, which approved the operation of the Cuajone  leaching plant. The resolution granted 400 hect- ares of surface land and authorized a throughput  of 2,100 Tons/Day. 5. Ilo Smelter: Authorized (definitely) by Directorial  Resolution No. 0078-69-EM/DGM, dated August  21, 1969, which approved the operation of the Ilo  Smelter. The resolution authorized a production of  400 Short Tons/Day of blister copper. 7. Sulfuric Acid Plant: Authorized by Directorial  Resolution No. 024-96-EM/DGM, dated January  19, 1996, the “Director General de Minería” au- thorized the operation of the sulfuric acid plant at  a production rate of 472 Metric Tons/Day. Based  on Report No. 313-98-EM/DGM/DPDM, dated  May 18, 1998, the “Director General de Minería”  authorized the expansion of the Ilo Sulfuric Acid  Plant to a capacity of 300,000 Metric Tons/Year  production. 6. Ilo Refinery: Authorized by Report No. 056-94-EM/ DGM/DRDM, dated May 27, 1994, the “Director  General de Minería” authorized the operation of  the Ilo Copper Refinery at a 190,000 Metric Ton/ Day throughput of blister copper. 8. “Coquina Wash Plant and Sea shell Concentrates,”  authorized to operate by Directorial Resolution Nº  110-93-EM/DGM dated August 3, 1993. The plant  processes 2068 MT/day of raw material (coquina)  recovered from nearby mines. Seashell is produced  1. The Toquepala Production Unit comprises three  Economic Administrative Units: TOQUEPALA 1  comprising 30 mining claims over a 7988 hectare  surface. SIMARRONA, including 14 mining claims  over 7800 hectares, and TOTORAL, with 18  mining claims distributed over 7320 hectares. In  addition, the Toquepala Production Unit owns 35  mining claims over 23,244 hectares outside the  above Economic Administrative Units. Overall, the  Toquepala Production Unit holds 97 mining claims  over 46,353 hectares. 2. “Toquepala Concentrator” Beneficiation Plant, with  Milling capacity of 60,000 tons per day, consists of  1 Primary Crusher, 2 Secondary Crushers, 4 Tertiary  Crushers, 8 Bar Mills, 24 Ball Mills, 8 Ball Mills for  Re-crushing, 1 control milling system, sections 3  and 4, as well as 4 OK-100 Flotation Cells, 3 OK-50  Flotation Cells, 13 Column Cells and 4 130m3 Flota- SOUTHERN PERU COPPER CORPORATION 27. SOUTHERN PERU COPPER CORPORATION 26. DESCRIPTION OF OPERATIONS AND  DEVELOPMENT REGARDING THE  ISSUING ENTITY PURPOSE  BRIEF HISTORICAL REVIEW THE COMPANY’S  INCORPORATION INFORMATION ABOUT PLANS AND  INVESTMENT POLICIES SPECIAL RELATIONSHIPS BETWEEN ISSUER  AND THE STATE GENERIC DESCRIPTION OF MAIN ASSETS TOQUEPALA