EXHIBIT 1
JOINT FILING AGREEMENT
Each of the undersigned hereby agrees that this statement on Schedule 13D is being filed with the Securities and Exchange Commission on behalf of each of the undersigned pursuant to Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.
Dated: September 28, 2012
Glencore AG | |||
By: | /s/ Andreas Hubmann | ||
Name: | Andreas Hubmann | ||
Title: | Director | ||
By: | /s/ Stefan Peter | ||
Name: | Stefan Peter | ||
Title: | Officer |
Glencore International AG | |||
By: | /s/ Andreas Hubmann | ||
Name: | Andreas Hubmann | ||
Title: | Director | ||
By: | /s/ Gerda Schwindt | ||
Name: | Gerda Schwindt | ||
Title: | Officer |
Glencore International plc | |||
By: | /s/ Steven Kalmin | ||
Name: | Steven Kalmin | ||
Title: | Director |
Sopak AG | |||
By: | /s/ Andreas Hubmann | ||
Name: | Andreas Hubmann | ||
Title: | Chairman | ||
By: | /s/ Stefan Peter | ||
Name: | Stefan Peter | ||
Title: | Member |