| Compaņia De Minas Buenaventura - First Quarter 2001 Mining Operations |
| Corporate Information | 1999 Mining Operations | 2000 Mining Operations | Second Quarter 2001 Mining Operations | Third Quarter 2001 Mining Operations | First Quarter 2002 Mining Operations |
| Mine | Ore treated ('000 t) | Grade (g/t) | Gold production (oz) | Cash cost (US$/oz) | Total cost (US$/oz) |
| Yanacocha (43.65%) | n/a | n/a | 190920.9314 | n/a | n/a |
| Orcopampa | n/a | n/a | 36,524 | 130.11 | n/a |
| other * | n/a | n/a | 7,624 | n/a | n/a |
| Attributable total | . | . | 235068.9314 | . | . |