EXHIBIT A
JOINT FILING AGREEMENT
Pursuant to Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of
1934, the undersigned agree to the joint filing of a Statement on Schedule 13G
(including any and all amendments thereto, and any filing on Schedule 13D
relating to the same investment) with respect to the shares of common stock,
par value $0.001 per share, of Auto Data Network, Inc.,and further agree that
this Joint Filing Agreement be included as an Exhibit thereto. In addition,
each party to this Agreement expressly authorizes each other party to this
Agreement to file on its behalf any and all amendments to such Statement.
Dated: February 7, 2007.
RHO CAPITAL PARTNERS, INC.
By: /s/ Xxxxxxx X. Xxxxxx
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Xxxxxxx X. Xxxxxx, Authorized Signer
RHO MANAGEMENT TRUST I
By: Rho Capital Partners, Inc.
as Investment Advisor
By: /s/ Xxxxxxx X. Xxxxxx
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Xxxxxxx X. Xxxxxx, Authorized Signer
XXXXXX XXXX
/s/ Xxxxxxx X. Xxxxxx
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Xxxxxxx X. Xxxxxx, Authorized Signer
XXXXX XXXXXXX
/s/ Xxxxxxx X. Xxxxxx
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Xxxxxxx X. Xxxxxx, Authorized Signer
XXXX XXXXXXX
/s/ Xxxxxxx X. Xxxxxx
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Xxxxxxx X. Xxxxxx, Authorized Signer