JOINT FILING AGREEMENT
Exhibit 11
The undersigned reporting persons hereby agree that, pursuant to Rule 13d-1(k) of Regulation 13D promulgated by the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, the statements filed pursuant to this Schedule 13D, to which this Agreement is filed as an exhibit, are filed on behalf of each of them.
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VANGUARD NATURAL GAS, LLC
its sole member.
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By:
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/s/ Xxxxx X. Xxxxx
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Name:
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Xxxxx X. Xxxxx
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Title:
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President, Chief Executive Officer and Director
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By:
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/s/ Xxxxx X. Xxxxx
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Name:
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Xxxxx X. Xxxxx
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Title:
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President, Chief Executive Officer and Director
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Date: December 31, 2010
