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|   | X =      the number of Warrant Shares to be issued to the  Holder. |
|--------|--------------------------------------------------------------------|

|   | Y =      the number of Warrant Shares with respect to which this Warrant is being      exercised. |
|--------|---------------------------------------------------------------------------------------------------|

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|   | A =      the average of the Closing Prices for the five Trading Days immediately      prior to (but not including) the ExerciseDate. |
|--------|--------------------------------------------------------------------------------------------------------------------------------------|

|   | B =      the Exercise Price. |
|--------|------------------------------|

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|  By:          |   |
|--------------------|--------|
|  Name:        |   |
|  Title:  |   |

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|   |
|--------|

|   |
|--------|

|         |
|--------------|
|    |

|   |
|--------|

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| 1. | The      Warrant is currently exercisable to purchase a total of ______________      Warrant Shares. |
|----|------------------------------------------------------------------------------------------------------|

| 2. | The      undersigned Holder hereby exercises its right to purchase      _________________ Warrant Shares pursuant to the  Warrant. |
|----|------------------------------------------------------------------------------------------------------------------------------------|

| 3. | The      Holder intends that payment of the Exercise Price shall be made as (check      one): |
|----|-----------------------------------------------------------------------------------------------|

| 4. | If      the Holder has elected a Cash Exercise, the Holder shall pay the sum of      $____________ to the Company in accordance with the terms of the      Warrant. |
|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | If      the Holder has elected a reduction in a Note or Additional Note, Holder      shall deliver Note(s) or Additional Note(s) in the aggregate principal      amount of $________________ to the Company in accordance with the terms of      the Warrant.  Please reduce the aggregate principal amount of      such Note(s) or Additional Note(s) in the amount of $____________ and      issue a new Note or Additional Note to Holder (or in accordance with      Holder’s instructions provided herewith) in the amount of the      difference.  To the extent that the difference is zero, no such      Note or Additional Note shall be issued.  To the extent that the      difference is a negative amount, Holder intends that the payment of such      amount shall be made as a (check one): ______ “Cash Exercise” under Section 10 or a      ____ “Cashless Exercise” under Section      10(a).  If Cash Exercise is checked, Holder shall pay the      sum of $_____________ to the Company in accordance with the terms of the      Warrant. |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 5. | Pursuant      to this exercise, the Company shall deliver to the Holder _______________      Warrant Shares in accordance with the terms of the  Warrant. |
|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------|

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| 6. | Following      this exercise, the Warrant shall be exercisable to purchase a total of      ______________ Warrant Shares. |
|----|---------------------------------------------------------------------------------------------------------------------------|

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| DATE   | NUMBER      OF WARRANT SHARES AVAILABLE TO BE EXERCISED | NUMBER      OF WARRANT SHARES EXERCISED | NUMBER      OF WARRANT SHARES REMAINING TO BE EXERCISED |
|--------|---------------------------------------------------------|-----------------------------------------|---------------------------------------------------------|
|   |                                                    |                                    |                                                    |
|   |                                                    |                                    |                                                    |
|   |                                                    |                                    |                                                    |
|   |                                                    |                                    |                                                    |