Joint Filing Agreement
Exhibit 99.1
In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as
amended, the undersigned hereby agree by and among them to the joint filing on behalf of them of a
Statement on Schedule 13D and that this Agreement be included as an Exhibit to such filing. The
undersigned further agree that any and all amendments to such Statement on Schedule 13D may be
filed on behalf of each of the undersigned without the necessity of filing additional joint filing
agreements. The undersigned acknowledge that each shall be responsible for the timely filing of
such amendments, and for the completeness and accuracy of the information concerning it contained
in such Statement on Schedule 13D or in any such joint amendment thereto, but shall not be
responsible for the completeness and accuracy of the information concerning the others, except to
the extent that it knows or has reason to believe that such information is inaccurate. This
Agreement may be executed in any number of counterparts, each of which shall be deemed an original
and all of which together constitute one instrument.
[Remainder of Page Intentionally Left Blank]
IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of this 10th
day of June, 2011
XXXXXXXXX ELECTRIC SA |
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| By: | /s/ Xxxxx Xxxxxx | |||
| Name: | Xxxxx Xxxxxx | |||
| Title: | Senior Vice President & General Counsel |
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| XXXXXXXXX ELECTRIC ESPAÑA, S.A.U. |
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| By: | /s/ Xxxxx Xxxxxxxx Anta | |||
| Name: | Xxxxx Xxxxxxxx Anta | |||
| Title: | Chief Legal Counsel | |||
