EXHIBIT A JOINT FILING AGREEMENT
EXHIBIT A
Pursuant to Rule 13d-1(f)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that the Schedule 13D/A to which this Joint Filing Agreement is being filed as an exhibit shall be a joint statement filed on behalf of each of the undersigned.
| Date: February 14, 2003 | AUSTIN VENTURES VII, L.P. | |||
| By: | AV Partners VII, L.P., its general partner | |||
| By: /s/ Xxxxxxx X. XxXxxxxxx Name: Xxxxxxx X. XxXxxxxxx Title: General Partner |
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| AUSTIN VENTURES VIII, L.P. | ||||
| By: | AV Partners VIII, L.P., its general partner | |||
| By: /s/ Xxxxxxx X. XxXxxxxxx Name: Xxxxxxx X. XxXxxxxxx Title: General Partner |
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| AV PARTNERS VII, L.P. | ||||
| By: /s/ Xxxxxxx X. XxXxxxxxx Name: Xxxxxxx X. XxXxxxxxx Title: General Partner |
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| AV PARTNERS VIII, L.P. | ||||
| By: /s/ Xxxxxxx X. XxXxxxxxx Name: Xxxxxxx X. XxXxxxxxx Title: General Partner |
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| /s/ Xxxxxx X. Xxxxxxx Xxxxxx X. Xxxxxxx |
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| /s/ Xxxxxxx X. XxXxxxxxx Xxxxxxx X. XxXxxxxxx |
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| /s/ Xxxxxx X. Xxxxxxx Xxxxxx X. Xxxxxxx |
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| /s/ Xxxx X. Xxxxxxxx Xxxx X. Xxxxxxxx |
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| /s/ Xxxxxx X. Xxxxxx Xxxxxx X. Xxxxxx |
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| /s/ Xxxxxxxxxxx X. Xxxxxxx Xxxxxxxxxxx X. Xxxxxxx |
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