JOINT FILING UNDERTAKING
Exhibit 99.1
The undersigned, being authorized thereunto, hereby execute this agreement to evidence the agreement of the below-named parties, in accordance with rules promulgated pursuant to the Securities Exchange Act of 1934, to make filings required under Section 13, as they may be amended, jointly on behalf of each of such parties.
Dated: April 2, 2013
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STEELHEAD PARTNERS, LLC
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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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General Counsel
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STEELHEAD NAVIGATOR MASTER, L.P.
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By:
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Steelhead Partners, LLC
Investment Manager
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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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General Counsel
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/s/ Xxxxx X. Xxxxx
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Xxxxx X. Xxxxx, Attorney in Fact for
XXXXX XXXXXXX XXXXXXXX
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/s/ Xxxxx X. Xxxxx
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Xxxxx X. Xxxxx, Attorney in Fact for
XXXXX XXXX XXXXX
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