JOINT FILING AGREEMENT
Exhibit 99.1
The undersigned acknowledge and agree that the foregoing Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this Statement on Schedule 13D may be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements.
Dated: November 10, 2008
| By: |
/s/ Xxxxx X. Xxxxxxxxxx | |
| Name: Xxxxx X. Xxxxxxxxxx | ||
| Title: Chairman | ||
| By: |
/s/ Xxxx Xxxxxxxxxx | |
| Name: Xxxx Xxxxxxxxxx | ||
| Title: Director | ||
| GLENCORE INTERNATIONAL AG | ||
| By: |
/s/ Xxxxxx Xxxxx | |
| Name: Xxxxxx Xxxxx | ||
| Title: Officer | ||
| By: |
/s/ Lotti Grenacher Xxxxxxx | |
| Name: Lotti Grenacher Xxxxxxx | ||
| Title: Officer | ||
| GLENCORE AG | ||
| By: |
/s/ Xxxxxxx Xxxxxxx | |
| Name: Xxxxxxx Xxxxxxx | ||
| Title: Director | ||
| By: |
/s/ Xxxxxx Xxxxxx | |
| Name: Xxxxxx Xxxxxx | ||
| Title: Director | ||
