BECKER DRAPKIN MANAGEMENT, L.P.
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By:
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BC Advisors, LLC, its general partner
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Date: 12/14/2011
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By:
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/s/ Andrew S. McLelland
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Name: Andrew S. McLelland
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Title: Attorney-in-Fact
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BECKER DRAPKIN PARTNERS (QP), L.P.
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By:
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Becker Drapkin Management, L.P., its general partner
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By:
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BC Advisors, LLC, its general partner
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Date: 12/14/2011
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By:
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/s/ Andrew S. McLelland
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Name: Andrew S. McLelland
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Title: Attorney-in-Fact
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BECKER DRAPKIN PARTNERS, L.P.
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By:
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Becker Drapkin Management, L.P., its general partner
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By:
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BC Advisors, LLC, its general partner
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Date: 12/14/2011
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By:
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/s/ Andrew S. McLelland
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Name: Andrew S. McLelland
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Title: Attorney-in-Fact
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BD PARTNERS IV, L.P.
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By:
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Becker Drapkin Management, L.P., its general partner
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By:
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BC Advisors, LLC, its general partner
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Date: 12/14/2011
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By:
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/s/ Andrew S. McLelland
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Name: Andrew S. McLelland
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Title: Attorney-in-Fact
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BC ADVISORS, LLC
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Date: 12/14/2011
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By:
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/s/ Andrew S. McLelland
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Name: Andrew S. McLelland
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Title: Attorney-in-Fact
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STEVEN R. BECKER
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Date: 12/14/2011
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By:
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/s/ Andrew S. McLelland
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Name: Andrew S. McLelland
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Title: Attorney-in-Fact
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MATTHEW A. DRAPKIN
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Date: 12/14/2011
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By:
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/s/ Andrew S. McLelland
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Name: Andrew S. McLelland
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Title: Attorney-in-Fact
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