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|   | MEDIAMIND TECHNOLOGIES INC. |                                                          |
|--------|-----------------------------|---------------------------------------------------------------|
|   |                        |                                                          |   |
|   | By:                         | /s/ Gal Trifon                                           |   |
|   |                        | Name: Gal Trifon                                              |   |
|   |                        | Title:   President and Chief Executive Officer |   |

|   | INVESTORS AND COMMON HOLDERS: |                                       |
|--------|-------------------------------|--------------------------------------------|
|   |                          |                                       |
|   | BRM GROUP LTD.           |                                       |
|   | By:                           | /s/ Avi Basher                        |   |
|   |                          | Name: Avi Basher                           |   |
|   |                          | Title:   Chief Financial Officer |   |

|   | JONATHAN KOLBER |                     |
|--------|-----------------|--------------------------|
|   |            |                     |
|   | By:             | /s/ Jonathan Kolber |   |
|   |            | Name: Jonathan Kolber    |   |
|   |            |

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| GAL TRIFON  |                |
|------------------|---------------------|
| By:              | /s/ Gal Trifon |   |
|             | Gal Trifon          |   |

| INSIGHT VENTURE PARTNERS IV, L.P.  |
|-----------------------------------------|
| By:                                     | /s/ Deven Parekh |   |
|                                    | Name: Deven Parekh |   |
|                                    | Title:   Director |   |

| INSIGHT VENTURE PARTNERS (CAYMAN) IV, L.P.  |
|--------------------------------------------------|
| By:                                              | /s/ Deven Parekh |   |
|                                             | Name: Deven Parekh |   |
|                                             | Title:   Director |   |

| INSIGHT VENTURE PARTNERS IV (CO-INVESTORS), L.P.  |
|--------------------------------------------------------|
| By:                                                    | /s/ Deven Parekh |   |
|                                                   | Name: Deven Parekh |   |
|                                                   | Title:   Director |   |

| INSIGHT VENTURE PARTNERS IV (FUND B), L.P.  |
|--------------------------------------------------|
| By:                                              | /s/ Deven Parekh |   |
|                                             | Name: Deven Parekh |   |
|                                             | Title:   Director |   |

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| ACKNOWLEDGED AND AGREED BY HOLDER OF CONVERTED PREFERRED STOCK: SYCAMORE TECHNOLOGIES VENTURES L.P.  |
|----------------------------------------------------------------------------------------------------------------|
| By:                                                                                                            | /s/ Eli Barkat |   |
|                                                                                                           | Name: Eli Barkat |   |
|                                                                                                           | Title:  Managing Partner |   |

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