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 persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13G (including amendments thereto) with respect to the Common Stock of The Management Network Group, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
Dated: February 7, 2013
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POTOMAC CAPITAL PARTNERS L.P.
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By:
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Potomac Capital Management, L.L.C.
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General Partner
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By:
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/s/ Xxxx X. Xxxxx
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Name:
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Xxxx X. Xxxxx
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Title:
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Managing Member
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POTOMAC CAPITAL MANAGEMENT, L.L.C.
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By:
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/s/ Xxxx X. Xxxxx
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Name:
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Xxxx X. Xxxxx
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Title:
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Managing Member
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/s/ Xxxx X. Xxxxx
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XXXX X. XXXXX
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