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| Reserves and resources of the NEVES CORVO - Copper Project |
| Tonnage | Grade | Reserves and resources |
| Lead | Copper | Zinc | Silver | Lead | Copper | Zinc | Silver |
| % | % | % | g/t | lbs | lbs | lbs | oz |
| Measured | 0 | 0.00 | 3.40 | 0.00 | 50.00 | | 2 773 040 550 | | 59 470 843 |
| Mesured and Indicated | 0 | 0.00 | 3.40 | 0.00 | 50.00 | | 2 773 040 550 | | 59 470 843 |
| Inferred | 26,319,000 | 0.30 | 0.00 | 1.00 | 0.00 | 174 070 395 | | 580 234 628 | |
| Total | 26 319 000 | | | | | 174 070 395 | 2 773 040 550 | 580 234 628 | 59 470 843 |
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| Reserves and resources of the NEVES CORVO - Copper Project |
| Metal | Total | Reserves | Resources | Unit | In situ value |
| | Proven | Probable | Proven and Probable | Measured | Indicated | Mesured and Indicated | Inferred | | |
| Copper | 2 773 040 550 | | | | 2 773 040 550 | | 2 773 040 550 | | lbs | 9 206 494 627 US$ |
| Silver | 59 470 843 | | | | 59 470 843 | | 59 470 843 | | oz | 1 286 949 053 US$ |
| Zinc | 580 234 628 | | | | | | | 580 234 628 | lbs | 429 895 836 US$ |
| Lead | 174 070 395 | | | | | | | 174 070 395 | lbs | 141 049 241 US$ |
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| Production history |
| Metal | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| COPPER (lbs) | 190,616,081 | 391,268,733 | 198,817,277 | 173,230,427 | 197,313,724 | 210,982,384 | 170,970,688 | 170,196,866 | 182,763,215 | 168,212,706 |
| SILVER (oz) | | 1,853,465 | 852,434 | | | | | | | |
| TIN (lbs) | | | | | | | 220,462 | 372,581 | 1,296,318 | 2,746,959 |
| ZINC (lbs) | 1,104,515 | 49,750,000 | 53,268,091 | 16,545,692 | | | | | | |
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