London Metal Exchange Official and UnOfficial Prices 4/5/2007
| USD/LB
| Cash
| 3 Month
| Official
| Unofficial
| +/-
| Official
| Unofficial
| +/-
| Aluminum
| 1.2755
| 1.2925
| .0170
| 1.2884
| 1.3005
| .0121
| Al Alloy
| 1.0074
| 1.0206
| .0132
| 1.0297
| 1.0387
| .0090
| NASAAC
| .9888
| .9888
| .0000
| 1.0115
| 1.0070
| -.0045
| Copper
| 3.3861
| 3.4269
| .0408
| 3.3616
| 3.4019
| .0403
| Lead
| .9167
| .9276
| .0109
| .9026
| .9208
| .0182
| Nickel
| 23.7569
| 23.8476
| .0907
| 22.4551
| 22.5662
| .1111
| Tin
| 6.4297
| 6.5068
| .0771
| 6.4183
| 6.4864
| .0681
| Zinc
| 1.5431
| 1.5753
| .0322
| 1.5427
| 1.5740
| .0313
| London Metal Exchange Official and UnOfficial Prices 4/5/2007
| USD/MT
| Cash
| 3 Month
| Official
| Unofficial
| +/-
| Official
| Unofficial
| +/-
| Aluminum
| 2,812.00
| 2,849.50
| 37.50
| 2,840.50
| 2,867.00
| 26.50
| Al Alloy
| 2,221.00
| 2,250.00
| 29.00
| 2,270.00
| 2,290.00
| 20.00
| NASAAC
| 2,180.00
| 2,180.00
| .00
| 2,230.00
| 2,220.00
| -10.00
| Copper
| 7,465.00
| 7,555.00
| 90.00
| 7,411.00
| 7,500.00
| 89.00
| Lead
| 2,021.00
| 2,045.00
| 24.00
| 1,990.00
| 2,030.00
| 40.00
| Nickel
| 52,375.00
| 52,575.00
| 200.00
| 49,505.00
| 49,750.00
| 245.00
| Tin
| 14,175.00
| 14,345.00
| 170.00
| 14,150.00
| 14,300.00
| 150.00
| Zinc
| 3,402.00
| 3,473.00
| 71.00
| 3,401.00
| 3,470.00
| 69.00
| London Metal Exchange Official and UnOfficial Prices 4/5/2007 | USD/KG | Cash | 3 Month | Official | Unofficial | +/- | Official | Unofficial | +/- | Aluminum | 2.812 | 2.850 | .038 | 2.841 | 2.867 | .026 | Al Alloy | 2.221 | 2.250 | .029 | 2.270 | 2.290 | .020 | NASAAC | 2.180 | 2.180 | .000 | 2.230 | 2.220 | -.010 | Copper | 7.465 | 7.555 | .090 | 7.411 | 7.500 | .089 | Lead | 2.021 | 2.045 | .024 | 1.990 | 2.030 | .040 | Nickel | 52.375 | 52.575 | .200 | 49.505 | 49.750 | .245 | Tin | 14.175 | 14.345 | .170 | 14.150 | 14.300 | .150 | Zinc | 3.402 | 3.473 | .071 | 3.401 | 3.470 | .069 | | |