Exhibit 99.1
Exhibit 1
JOINT FILING AGREEMENT
The undersigned acknowledge and agree that the foregoing statement on 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: September 10, 2012
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| HEBEI IRON & STEEL GROUP CO., LTD. | ||
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| By: |
| /s/ Duan Guomian |
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| Name: | Mr. Duan Guomian |
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| Title: | Authorized Signatory |
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| HEBEI IRON & STEEL INTERNATIONAL HOLDING CO., LTD. | ||
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| By: |
| /s/ Zhang Kai |
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| Name: | Mr. Zhang Kai |
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| Title: | President |
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| HBIS INTERNATIONAL HOLDING (LUXEMBOURG) CO.,S.Á R.L. | ||
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| By: |
| /s/ Zheng Liangjun |
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| Name: | Ms. Zheng Liangjun |
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| Title: | Director |
