EXHIBIT A JOINT FILING UNDERTAKING
EXHIBIT A
The undersigned, being authorized
thereunto, hereby execute this agreement as an exhibit to this Form 4 to evidence the
agreement of the below-named parties, in accordance with rules promulgated pursuant to the
Securities Exchange Act of 1934, to file this Form, as it may be amended, jointly on
behalf of such parties.
Dated: March 4, 2011
GREEK INVESTMENTS, INC.
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By:
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/s/ Xxxxxxxxx Xxxxxxxxxxx
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Name:
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Xxxxxxxxxx Xxxxxxxxxxx
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Title:
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Director
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| 10% Owner |
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/s/ Xxxxx Xxxxxxxxxxx
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XXXXX XXXXXXXXXXX
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Title:
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Director
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10% Owner
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