EXHIBIT A
AGREEMENT
JOINT FILING OF SCHEDULE 13G
The undersigned hereby agree to jointly prepare and file with regulatory
authorities a Schedule 13G and any future amendments thereto reporting each of
the undersigned's ownership of securities, and hereby affirm that such Schedule
13G is being filed on behalf of each of the undersigned pursuant to and in
accordance with the provisions of Rule 13d-1(k) under the Securities Exchange
Act of 1934. The undersigned acknowledge that each shall be responsible for the
timely filing of such amendments, and for the completeness and accuracy of the
information concerning him or it contained therein, but shall not be responsible
for the completeness and accuracy of the information concerning the other,
except to the extent that he or it knows or has reason to believe that such
information is inaccurate.
Dated: February 14, 2007
New York, New York
S Squared Technology, LLC
By: /s/ Xxxxxxx X. Xxxxxxxxx
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Xxxxxxx X. Xxxxxxxxx
President
S Squared Technology Partners, L.P.
By: /s/ Xxxxxxx X. Xxxxxxxxx
--------------------------------
Xxxxxxx X. Xxxxxxxxx
President
/s/ Xxxxxxx X. Xxxxxxxxx
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Xxxxxxx X. Xxxxxxxxx
/s/ Xxxxxxx X. Xxxxxxxxx
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Xxxxxxx X. Xxxxxxxxx
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