JOINT FILING AGREEMENT
Exhibit 1
Pursuant to Rule 13d-1(k)(1) under the Securities and Exchange Act of 1934, each of the
undersigned hereby agree that only one statement containing the information required by Schedule
13G need be filed with respect to the ownership by each of the undersigned of shares of stock of
Vocus, Inc. This Agreement may be executed in any number of counterparts, each of which shall be
deemed an original.
Date: February 8, 2006 | ||||||
LAZARD ALTERNATIVE INVESTMENTS LLC | ||||||
By: | LTP II LP, its General Partner | |||||
By: | LTI II GenPar LLC, its General Partner | |||||
By: | * | |||||
Xxxxx Xxxxx, Managing Principal | ||||||
LAZARD TECHNOLOGY PARTNERS II LP | ||||||
By: | LTP II LP, its General Partner | |||||
By: | LTI II GenPar LLC, its General Partner | |||||
By: | * | |||||
Xxxxx Xxxxx, Managing Principal | ||||||
LTP II LP | ||||||
By: | LTI II GenPar LLC, its General Partner | |||||
By: | * | |||||
Xxxxx Xxxxx, Managing Principal | ||||||
LTI II GENPAR LLC | ||||||
By: | * | |||||
Xxxxx Xxxxx, Managing Principal | ||||||
* | ||||||
Xxxxx Xxxxx | ||||||
* | ||||||
Xxxxxxx X. Xxxxxxxxx | ||||||
* | ||||||
Manu X. Xxxx |
* By: /s/ Xxxxx Xxxxx |
||
Xxxxx Xxxxx, in his individual |
||
capacity and as attorney-in-fact |