EXHIBIT 99.1
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, we, the signatories of the statement on schedule 13D to which this joint filing agreement is attached, hereby agree that such statement is, and any amendments thereto filed by any of us will be filed on behalf of each of us.
Dated: December 21, 2010 | ||||
STG UGP, LLC | ||||
By: | /s/ Brad MacMillin | |||
Name: | Brad MacMillin | |||
Title: | Authorized Person* | |||
STG III GP, L.P. | ||||
By: | STG UGP, LLC, its general partner | |||
By: | /s/ Brad MacMillin | |||
Name: | Brad MacMillin | |||
Title: | Authorized Person* | |||
STG III, L.P. | ||||
By: | STG III GP, L.P., its general partner | |||
By: | STG UGP, LLC, its general partner | |||
By: | /s/ Brad MacMillin | |||
Name: | Brad MacMillin | |||
Title: | Authorized Person* | |||
STG III-A, L.P. | ||||
By: | STG III GP, L.P., its general partner | |||
By: | STG UGP, LLC, its general partner | |||
By: | /s/ Brad MacMillin | |||
Name: | Brad MacMillin | |||
Title: | Authorized Person* | |||
ROMESH WADHWANI | ||||
By: | /s/ Brad MacMillin | |||
Name: | Brad MacMillin | |||
Title: | Authorized Person* |