JOINT FILING AGREEMENT
EXHIBIT 2
The undersigned hereby agree to the joint filing of the Amendment No. 4 to Schedule 13D to which this Agreement is attached.
Dated: February 9, 2010
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DISCOVERY GROUP I, LLC |
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for itself and as general partner of |
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DISCOVERY EQUITY PARTNERS, L.P. |
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By |
Xxxxxxx X. Xxxxxx* |
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Xxxxxxx X. Xxxxxx |
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Managing Member |
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| Xxxxxx X. Xxxxxxxx* | |||
| Xxxxxx X. Xxxxxxxx | |||
| Xxxxxxx X. Xxxxxx* | |||
| Xxxxxxx X. Xxxxxx | |||
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*By: |
/s/ Xxxx Xxxxxxx |
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Xxxx Xxxxxxx |
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Attorney-in-Fact for Xxxxxx X. Xxxxxxxx | |||
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Attorney-in-Fact for Xxxxxxx X. Xxxxxx | |||
