*PAGE*

*Delaware*

*The      First State*

*I,      HARRIET SMITH WINDSOR, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY      CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF MERGER,      WHICH MERGES:*

*"URIGEN      PHARMACEUTICALS, INC.", A DELAWARE CORPORATION,*

*WITH      AND INTO "VALENTIS, INC." UNDER THE NAME OF "URIGEN *
*PHARMACEUTICALS,      INC.", A CORPORATION ORGANIZED AND EXISTING *
*UNDER THE LAWS OF THE STATE      OF DELAWARE, AS RECEIVED AND FILED *
*IN THIS OFFICE THE NINETEENTH*
*OF JULY, A. D. 2007,  AT 12 : 29 *
*O'CLOCK      P.M.*

*A      FILED COPY OF THIS CERTIFICATE HAS BEEN FORWARDED TO THE NEW CASTLE COUNTY      RECORDER OF DEEDS.*

|                                   |   |   | Harriet                    Smith Windsor                     |
|----------------------------------------|--------|--------|--------------------------------------------------------------|
|  *2784403                  8100M* |   |   | Harriet                    Smith Windsor, Secretary of State |
|  *070830700*                      |   |   | AUTHENTICATION:                    *5856229*                 |
|                                   |   |   |  *DATE:                    07-19-07*                    |

----

|  | ***State                of Delaware******Secretary                of State******Division                of Corporations******Delivered                12:46 PM 07/19/2007******FILED                12:29 PM 07/19/2007******SRV                070830700 - 2784403                FILE*** |
|--|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  NAME                             | STATE              OF INCORPORATION |   |   |
|-------------------------------------------------------|-------------------------------------|--------|--------|
|                                                  |                                |   |   |
|  Valentis,              Inc.                |  Delaware                      |   |   |
|                                                  |                                |   |   |
|  Urigen              Pharmaceuticals, Inc.  |  Delaware                      |   |   |

|   | VALENTIS,              INC. |                                                     |
|--------|-----------------------------|----------------------------------------------------------|
|   |                        |                                                     |   |
|   | By:                         | /s/ William              Garner                     |   |
|   |                        | Name:              William J. Garner                     |   |
|   |                        | Title:              Chief Executive              Officer |   |
|   |                        |                                                     |   |

|   | URIGEN                PHARMACEUTICALS,                INC. |                                                         |
|--------|------------------------------------------------------------|--------------------------------------------------------------|
|   |                                                       |                                                         |   |
|   | By:                                                        | /s/ William                Garner                       |   |
|   |                                                       | Name:                William J. Garner                       |   |
|   |                                                       | Title:                Chief Executive                Officer |   |
|   |                                                       |                                                         |   |