EXHIBIT 12.1

Statement of Computation of Ratio of Earnings to Fixed Charges (UNAUDITED)

Atlas Pipeline Partners, L.P.

(amounts in thousands except ratios)



|                                                                      |  |                          |         |      |         |   |         |         |  |   |          |      |  |         |          |      |  |   |        |     
|--------------------------------------------------------------------- |  | ------------------------ | ------- | ---- | ------- | - | ------- | ------- |  | - | -------- | ---- |  | ------- | -------- | ---- |  | - | ------ | ----
|                                                                      |  | Years Ended December 31, |        
|                                                                      |  | 2010                     |         |      | 2009(1) |   |         | 2008(1) |  |   | 2007(1)  |      |  | 2006(1) |         
|Earnings:                                                             |  |                          |         |      |         |   |         |         |  |   |          |      |  |         |          |      |  |   |        |     
|Loss from continuing operations before income tax expense(2)(3)(4)(5) |  | $                        | (40,717 | )    |         | $ | (21,434 | )       |  | $ | (510,896 | )    |  | $       | (116,728 | )    |  | $ | (1,551 | )   
|Fixed charges                                                         |  |                          | 94,511  |      |         |   | 108,840 |         |  |   | 101,045  |      |  |         | 68,213   |      |  |   | 28,581 |     
|Adjustment to net distributed income of equity investee               |  |                          | 6,146   |      |         |   | 267     |         |  |   |         |      |  |         |         |      |  |   |       |     
|Interest capitalized                                                  |  |                          | (757    | )    |         |   | (2,783  | )       |  |   | (8,872   | )    |  |         | (3,259   | )    |  |   | (2,636 | )   
|Amortization of previously capitalized interest                       |  |                          | 255     |      |         |   | 581     |         |  |   | 309      |      |  |         | 123      |      |  |   | 34     |     
|Non-controlling interest                                              |  |                          | (4,738  | )    |         |   | (3,176  | )       |  |   | 22,781   |      |  |         | 3,940    |      |  |   |       |     
|                                                                      |  |                          |         |      |         |   |         |         |  |   |          |      |  |         |          |      |  |   |        |     
|Total                                                                 |  | $                        | 54,700  |      |         | $ | 82,295  |         |  | $ | (395,633 | )    |  | $       | (47,711  | )    |  | $ | 24,428 |     
|                                                                      |  |                          |         |      |         |   |         |         |  |   |          |      |  |         |          |      |  |   |        |     
|Fixed Charges:                                                        |  |                          |         |      |         |   |         |         |  |   |          |      |  |         |          |      |  |   |        |     
|Interest cost and debt expense                                        |  | $                        | 91,632  |      |         | $ | 103,787 |         |  |   | 89,869   |      |  |         | 63,989   |      |  |   | 25,521 |     
|Interest capitalized                                                  |  |                          | 757     |      |         |   | 2,783   |         |  |   | 8,872    |      |  |         | 3,259    |      |  |   | 2,636  |     
|Interest allocable to rental expense(6)                               |  |                          | 2,122   |      |         |   | 2,270   |         |  |   | 2,304    |      |  |         | 965      |      |  |   | 424    |     
|                                                                      |  |                          |         |      |         |   |         |         |  |   |          |      |  |         |          |      |  |   |        |     
|Total Fixed Charges                                                   |  |                          | 94,511  |      |         |   | 108,840 |         |  |   | 101,045  |      |  |         | 68,213   |      |  |   | 28,581 |     
|Preferred dividends                                                   |  |                          | 780     |      |         |   | 900     |         |  |   | 2,274    |      |  |         | 6,250    |      |  |   | 1,898  |     
|                                                                      |  |                          |         |      |         |   |         |         |  |   |          |      |  |         |          |      |  |   |        |     
|Total Fixed Charges and Preferred Dividends                           |  | $                        | 95,291  |      |         | $ | 109,740 |         |  | $ | 103,319  |      |  | $       | 74,463   |      |  | $ | 30,479 |     
|                                                                      |  |                          |         |      |         |   |         |         |  |   |          |      |  |         |          |      |  |   |        |     
|Ratio of Earnings to Fixed Charges                                    |  |                          |        | (7)  |         |   |        | (8)     |  |   |         | (9)  |  |         |         | (10) |  |   |       | (11)
|                                                                      |  |                          |         |      |         |   |         |         |  |   |          |      |  |         |          |      |  |   |        |     
|Ratio of Earnings to Fixed Charges and Preferred Dividends            |  |                          |        | (12) |         |   |        | (13)    |  |   |         | (14) |  |         |         | (15) |  |   |       | (16)
|                                                                      |  |                          |         |      |         |   |         |         |  |   |          |      |  |         |          |      |  |   |        |     



|(1) | Restated to reflect amounts reclassified to discontinued operations due to the Partnerships sale of Elk City.
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|(2) | Includes a non-cash gain recognized on derivatives of $10.2 million and a non-recurring cash derivative unwind expense of $17.9 million for the year ended
December 31, 2010.
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|(3) | Includes a gain on asset sales of $111.4 million, a non-cash loss recognized on derivatives of $51.3 million, a $10.3 million non-cash impairment charge to goodwill and
other assets and a non-recurring cash derivative unwind expense of $5.0 million for the year ended December 31, 2009.
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|(4) | Includes a $676.9 million non-cash impairment charge to goodwill and other assets; a $115.8 million non-cash gain recognized on derivatives; a $19.9 million gain from
the Partnerships repurchase of approximately $60.0 million of its senior unsecured notes for approximately $40.1 million; and a net $197.6 million cash derivative expense related to the early termination of certain derivative contracts for the
year ended December 31, 2008.
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|(5) | Includes a $169.4 million non-cash loss recognized on derivatives for the year ended December 31, 2007.
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|(6) | Represents one-third of the total operating lease rental expense which is that portion deemed to be interest.
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|(7) | The Partnership earnings were insufficient to cover its fixed charges by $39.8 million for this period.
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|(8) | The Partnership earnings were insufficient to cover its fixed charges by $26.5 million for this period.
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|(9) | The Partnership earnings were insufficient to cover its fixed charges by $496.7 million for this period.
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|(10) | The Partnership earnings were insufficient to cover its fixed charges by $115.9 million for this period.
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|(11) | The Partnership earnings were insufficient to cover its fixed charges by $4.2 million for this period.
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|(12) | The Partnership earnings were insufficient to cover its fixed charges and preferred dividends by $40.6 million for this period.
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|(13) | The Partnership earnings were insufficient to cover its fixed charges and preferred dividends by $27.4 million for this period.
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|(14) | The Partnership earnings were insufficient to cover its fixed charges and preferred dividends by $499.0 million for this period.
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|(15) | The Partnership earnings were insufficient to cover its fixed charges and preferred dividends by $122.2 million for this period.
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|(16) | The Partnership earnings were insufficient to cover its fixed charges and preferred dividends by $6.1 million for this period.
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