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| THE                PLEDGOR:         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|-------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                | [Pledgor]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|                                | By:                                                                                    |
|                                | Name:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|                                | Title:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
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| THE                PLEDGEHOLDER:    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|                                | AIGH                INVESTMENT PARTNERS, LLC                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|                                | By:                                                                                    |
|                                | Name:                Orin Hirschman                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|                                | Title:                Manager                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| AGENT                FOR INVESTORS: |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|                                | AIGH                INVESTMENT PARTNERS, LLC                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|                                | By:                                                                                    |
|                                | Name:                Orin Hirschman                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|                                | Title:                Manager                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |

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