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 14, 2008 | |||||
EDISON VENTURE FUND IV, L.P. | ||||||
By: | Edison Partners IV, L.P., its General Partner | |||||
By: | * | |||||
Xxxx Xxxxxxx, General Partner | ||||||
EDISON PARTNERS IV, L.P. | ||||||
By: | * | |||||
Xxxx Xxxxxxx, General Partner |
* | ||
Xxxx Xxxxxxx | ||
* | ||
Xxxx Xxxxxxxxx | ||
* | ||
Xxx Allegra | ||
* | ||
Xxxx Xxxxxxxxx |
* By:
|
/s/ Xxxx Xxxxxxx | |||