| Rio Tinto plc - Fourth Quarter 2001 Mine-by-Mine Operating Results |
| Mine | Ore treated ('000 t)* | Grade (g/t) | Gold production (oz) | Cash cost (US$/oz) | Total cost (US$/oz) |
| Gold mines: | |||||
|
Kelian § Indonesia (90%) |
1,894 | 2.71 | 110,000 | n/a | n/a |
|
Cortez/Pipeline § US (40%) |
829 | 9.23 | 118,000 | n/a | n/a |
|
Greens Creek Alaska (70%) |
157 | 6.36 | 15,000 | n/a | n/a |
|
Peak ¶ Australia (100%) |
153 | 5.57 | 25,000 | n/a | n/a |
|
Rawhide § US (51%) |
1,433 | 0.86 | 12,000 | n/a | n/a |
|
Alumbrera Argentina (25%) |
7,142 | 1.1 | 47,000 | n/a | n/a |
|
Morro do Ouro § Brazil (51%) |
4,567 | 0.42 | 24,000 | n/a | n/a |
|
Lihir § PNG (16.3%) |
827 | 5.43 | 20,000 | n/a | n/a |
|
Barneys Canyon US (100%) |
432 | 3.15 | 41,000 | n/a | n/a |
| Copper-Gold Mines: | |||||
|
Bingham Canyon § US (100%) |
10,203 | 0.55 | 120,000 | n/a | n/a |
|
Grasberg FXC ¶ § Indonesia (14.3%) |
21,780 | 1.03 | 70,000 | n/a | n/a |
|
Grasberg JV Indonesia (40%) |
** | ** | 199,000 | n/a | n/a |
|
Escondida § Chile (30%) |
10,060 | n/a | 8,000 | n/a | n/a |
|
Northparks Australia (80%) |
1,444 | 0.32 | 9,000 | n/a | n/a |
| Attributable total | . | . | 830,000*** | n/a | n/a |
¶ Underground § Open pit *100% basis ** Included in Grasberg FXC *** Includes 11,000 oz from other sources
(Source: GFMS)