tion Cells , 24 Flotation Cells WEMCO with a capacity of 42.5m3, 1 Track tractor CAT D10-R, 2 Komatsu wheel tractors and a recycled water pipe line. 

3. 22 trucks with a capacity of 218 tons each. 11 trucks with a capacity of 181 tons each. 12 trucks with a capacity of 109 tons each. 

4. 2 4100A shovels with a capacity of 66 tons (43 m3), 4 2100BL shovels with a capacity of 21 tons (11.4 m3), 1 495BI shovel with a capacity of 66 tons (43 m3), 1 56 yd3 dipper, 1 120A electric drill, 2 100XP electric drills, 1 49RIII rotary drill. 1 front-end loader 992d, 1 Komatsu wheel tractor. 

5. Additionally, new equipment for the concentrator had been incorporated with the expansion and modernization: 1 secondary crusher, 2 tertiary crushers, enlargement of the ore milled deposit, 1 tripper car, 1 ball mill 6.4 x 10.2 m, 2 cells of 130 m3 y 4 of 60 m3 for flotation rougher, 4 pre-classi- fier cyclones, 1 cell of cleaning, 1 cell scavenger of 60 m3, 1 line of 24 cells for cleaning and re-clean- ing, 6 cells of 2.8 m3 changing the existing line of 14 cells to 2 lines of 10 cells each one for molybde- num plant, 1 pressure filter for copper concentrate, 1 thickener high-rate of 43 meters of diameter, 1 

new tailing distributor tank which replaced the existing tank; enlargement of the pumping house, 1 pump of recover water, 1 transformer of 33/40 MVA, 138/38 Kv., DCS system. 

## CUAJONE 

6. The Cuajone Production Unit comprises two Eco- nomic Administrative Units: CUAJONE 1, comprising 23 mining claims over 7390 hectares; and CO- COTEA, with 15 mining claims over 7711 hectares. Additionally the Cuajone Production Unit has claims for mining 20,093 hectares outside the above two Economic Administrative Units. Overall, the Cuajone Production Unit comprises 70 mining claims over a total 35,194-hectare surface. 

7. “Cuajone Concentrator” Beneficiation Plant with Milling capacity of 87,000 tons per day, consisting of 1 primary crusher, 3 secondary crushers, 7 tertiary crushers, 10 ball mills, 4 ball mills for re-crushing, 1 vertical mill, as well as 30 OK-100 flotation cells, 6 column cells, 28 Wemco flotation cells, 48 Denver flotation cells, 1 truck Volvo FM12, and recycled wa- ter pipelines. 

8. 18 Dresser 830E trucks with a capacity of 218 tons each, 8 Cat 793C trucks with a capacity of 218 tons 

each, and 4 Wabco trucks with a capacity of 109 tons each. 

9. 2 4100A Shovels with a capacity of 66 tons, 1 2800XPB Shovel with a capacity of 49 tons, 1 2100BL Shovel with a capacity of 21 tons, 1 Le Tourneau 1800 front-end loader with a capacity of 38 tons, 2 120A electric drills, 1 100XP electric drill, 4 front-end loaders 966 of 3.8 m3 capacity, 3 front- end loaders 950 of 3.1 m3 capacity, 3 front-end loaders 988 of 6.1 m3 capacity, and 1 wheel tractor Komatsu. 

## OTHER 

One SX/EW plant in Toquepala and one SX plant in Cuajone. The SX Cuajone plant has 1 primary jaw crusher and 1 secondary cone crusher with a capacity of 4,300 tons per day to process Cuajone’s oxides. In addition, 1 agglomeration mill, 1 front-end loader, and 3 109-ton trucks for agglomerated ore hauling to the leach dumps. Copper in solution produced in Cuajone is sent to To- quepala through an 8” pipe laid alongside the Cuajone - Toquepala railroad track. 

The Toquepala lant has 2 spray systems: 1 for the south dump and 1 for the northwest dump, and 4 pregnant solution ponds, each with its own pumping system to 

send the solution to the SX/EW Plant. The plant has 3 lines of SX, each with a nominal capacity of 1,068 m3 / h of pregnant solution and 162 electrowinning cells arranged in two lines: one with 122 cell and the other with 40. 

## ILO 

10. “Ilo Smelter” with a smelting capacity of 1,120,000 tons of concentrate per year. It has 2 reverberatory furnaces, 7 Peirce-Smith converters, 1 “El Teniente” Modified Converter and 2 casting wheels. 

11. “Ilo Refinery” – Anode Plant: 2 Basculant Maerz Ov- ens, each with a 400-MT capacity, 1 casting wheel (70 MT / hour) – Electrolitic Plant with a 280,000 MT / year capacity (Catodes), 926 commercial cells and 52 starting cells. – Precious Metals Plant with 1 Wenmec Selenium Reactor, 2 cupel furnace, 22 silver refining cells and 1 hydrometallurgical system for gold recovery. 

12. Sulfuric Acid Plant with production capacity of 300,000 tons per year (average 1,000 x day). 

13. Oxygen Plant with a production capacity of 100,000 tons per year (average 272 x day). 

14. “Coquina” Plant with a seashell production capacity of 200,000 tons per year. 

15. Burnt Lime Plant with a capacity of 80,000 tons per year, 1 Dust extraction system, 1 16v industrial en- gine with DDEC. 

## OTHERS 

Industrial railroad to haul concentrates and supplies be- tween Toquepala, Cuajone and Ilo, with 30 locomotives, 256 dump cars, 92 flat cars, 254 boxcars, 8 closed boxcars, 11 closed hopper-type cars, 34 open hopper-type cars, 31 various tank wagons, 23 sulfuric acid tanks, 5 patrol cars, 17 dump cars, 1 front-end loader CAT 966G, used for maintenance components and equipment transportation, a new mobile system of classification and shell loading, 1 track tractor D9R for handling slag, 1 console DCS for the acid plant and reverberator furnace, 1 power factor trans- former equipment, oil heater, COEN, and 1 dragshovel for smelter, 1 south bar casting system. 

