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| \s\ Edward J. Gibbon   |
|------------------------|
| Edward J. Gibbon, P.E. |
| TBPE License No. 52750 |
| Senior Vice President  |

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| As of December 31, 2010 |
|-------------------------|

|   |   | Proved    |
|--------|--------|-----------|
|   |   | Developed |   |   |   | Total |

|                                       |   | Producing                      |   | Non-Producing                             |   | Undeveloped             |   | Proved                         |
|--------------------------------------------|--------|--------------------------------|--------|-------------------------------------------|--------|-------------------------|--------|--------------------------------|
| Net Remaining Reserves                     |   |                           |   |                                      |   |                    |   |                           |
|   Oil/Condensate – Barrels |   | 4,278,121                 |   | 9,039,106                                 |   | 1,239,867               |   | 14,557,094                     |
|   Gas – MMCF               |   | 45,810                    |   | 99,172                                    |   | 47,513                  |   | 192,495                        |
|                                       |   |                           |   |                                      |   |                    |   |                           |
| Income Data                                |   |                           |   |                                      |   |                    |   |                           |
|   Future Gross Revenue           |   | $533,062,492              |   | $1,167,327,354                            |   | $314,526,913            |   | $2,014,916,759                 |
|   Deductions                     |   |   535,474,489   |   |      395,649,818 |   |   165,610,264 |   |   1,096,734,571      |
|   Future Net Income (FNI)        |   | $   (2,411,997) |   | $   771,677,536            |   | $148,916,649            |   | $   918,182,188 |
|                                       |   |                           |   |                                      |   |                    |   |                           |
|   Discounted FNI @ 10%           |   | $  32,224,517   |   | $   534,817,906            |   | $  83,877,956 |   | $   650,920,379 |

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|          |   | Discounted Future Net Income |
|---------------|--------|------------------------------|
|          |   | As of December 31, 2010      |
| Discount Rate |   | Total                        |   |
| Percent       |   | Proved                       |   |
|          |   |                         |   |
|   8 |   | $693,302,942                 |   |
| 15            |   | $560,940,889                 |   |
| 20            |   | $488,497,323                 |   |
| 25            |   | $429,135,587                 |   |

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| GeographicArea                                   | Product        | PriceReference | AverageBenchmark Prices | AverageRealized Prices |
|--------------------------------------------------|----------------|----------------|-------------------------|------------------------|
|    United   States | Oil/Condensate | WTI Cushing    | $79.43/Bbl              | $76.97/Bbl             |
| Gas                                              | Henry Hub      | $4.38/MMBTU    | $4.70/MCF               |

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

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|   | (i) Through existing wells with existing equipment and operating methods or in which the cost of the required equipment is relatively minor compared to the cost of a new well; and |
|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (ii) Through installed extraction equipment and infrastructure operational at the time of the reserves estimate if the extraction is by means not involving a well. |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| (1)   | completion intervals which are open at the time of the estimate, but which have not  started producing; |
|-----------------|-------------------------------------------------------------------------------------------------------------------|

| (2)   | wells which were shut-in for market conditions or pipeline connections; or |
|-----------------|----------------------------------------------------------------------------|

| (3)   | wells not capable of production for mechanical reasons. |
|-----------------|---------------------------------------------------------|

| (i)   | Reserves on undrilled acreage shall be limited to those directly offsetting development spacing areas that are reasonably certain of production when drilled, unless evidence using reliable technology exists that establishes reasonable certainty of economic producibility at greater distances. |
|-----------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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