Exhibit 99.1
EXHIBIT 1
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AGREEMENT AS TO JOINT FILING OF SCHEDULE 13G
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Each of the undersigned hereby affirms that it is individually eligible to
use Schedule 13G, and agrees that this Schedule 13G is filed on its behalf.
Dated: February 1, 2010
CITIGROUP VENTURE CAPITAL INTERNATIONAL PARTNERSHIP G.P. LIMITED
By: /s/ Xxxxxx Xxxxxxxxx
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Name: Xxxxxx Xxxxxxxxx
Title: Alternate Director
CITIGROUP VENTURE CAPITAL INTERNATIONAL DELAWARE CORPORATION
By: /s/ Xxxxxx Xxxxxxxxx
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Name: Xxxxxx Xxxxxxxxx
Title: Director
CITICORP INTERNATIONAL FINANCE CORPORATION
By: /s/ Xxxxxxx X. Xxxx
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Name: Xxxxxxx X. Xxxx
Title: Vice President
CITICORP BANKING CORPORATION
By: /s/ Xxxxxxx X. Xxxx
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Name: Xxxxxxx X. Xxxx
Title: Senior Vice President
CITIGROUP INC.
By: /s/ Xxx X. Xxxxxxx
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Name: Xxx X. Xxxxxxx
Title: Assistant Secretary
