| Statement      of Computation of Ratio of Earnings to Fixed Charges |
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| (UNAUDITED)                                                         |
|                                                                |
| Atlas      Energy Resources, LLC                                    |
| (amounts      in thousands except ratios)                           |

|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | Year Ended   |    |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|-------------------|---------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | December 31, |    |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | 2008              |    |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |              |    |
| Earnings:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |   |              |    |
| Net      income                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   | $                 | 142,779 |   |
| Fixed      charges                                                                                                                     |   |              | 61,721  |   |
| Minority      interest                                                                                                                 |   |              | 64      |   |
| Income      from equity      investee                                                                                                  |   |              | (233    | ) |
| Interest      capitalized                                                                                                              |   |              | (4,994  | ) |
| Amortization      of previously capitalized interest                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |              | 423     |   |
| Total                                                                                                                                                 |   | $                 | 199,760 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |              |    |   |
| Fixed      Charges:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |   |              |    |   |
| Interest      cost and debt      expense                                                                                               |   | $                 | 56,306  |   |
| Interest      allocable to rental expense(1)                                                                                           |   |              | 421     |   |
| Interest      capitalized                                                                                                              |   |              | 4,994   |   |
| Total                                                                                                                                                 |   | $                 | 61,721  |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |              |    |   |
| Ratio      of Earnings to Fixed      Charges                                                                            |   |              | 3.24    |   |

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| (1) | Represents      one-third of the total operating lease rental expense which is that      portion deemed      to be interest. |
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