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, |        
|                                                                            |  | 2009                     |         |   | 2008 |   |          | 2007 |  |   | 2006     |     |  | 2005 |       
|Earnings:                                                                   |  |                          |         |   |      |   |          |      |  |   |          |     |  |      |        |   |  |   |        |  
|Income (loss) from continuing operations before income tax expense(1)(2)(3) |  | $                        | 219     |   |      | $ | (625,244 | )    |  | $ | (171,199 | )   |  | $    | 22,202 |   |  | $ | 21,482 |  
|Fixed charges                                                               |  |                          | 110,110 |   |      |   | 98,461   |      |  |   | 66,483   |     |  |      | 27,496 |   |  |   | 14,199 |  
|Interest capitalized                                                        |  |                          | (2,778  | ) |      |   | (7,713   | )    |  |   | (2,193   | )   |  |      | (2,566 | ) |  |   | (77    | )
|Preferred dividends                                                         |  |                          | (900    | ) |      |   | (1,769   | )    |  |   |         |     |  |      |       |   |  |   |       |  
|Amortization of previously capitalized interest                             |  |                          | 544     |   |      |   | 309      |      |  |   | 123      |     |  |      | 22     |   |  |   |       |  
|                                                                            |  |                          |         |   |      |   |          |      |  |   |          |     |  |      |        |   |  |   |        |  
|Total                                                                       |  | $                        | 107,195 |   |      | $ | (535,956 | )    |  | $ | (106,786 | )   |  | $    | 47,154 |   |  | $ | 35,604 |  
|                                                                            |  |                          |         |   |      |   |          |      |  |   |          |     |  |      |        |   |  |   |        |  
|Fixed Charges:                                                              |  |                          |         |   |      |   |          |      |  |   |          |     |  |      |        |   |  |   |        |  
|Interest cost and debt expense                                              |  |                          | 103,629 |   |      |   | 85,991   |      |  |   | 62,592   |     |  |      | 23,698 |   |  |   | 13,448 |  
|Interest capitalized                                                        |  |                          | 2,778   |   |      |   | 7,713    |      |  |   | 2,193    |     |  |      | 2,566  |   |  |   | 77     |  
|Preferred dividends                                                         |  |                          | 900     |   |      |   | 1,769    |      |  |   |         |     |  |      |       |   |  |   |       |  
|Interest allocable to rental expense(4)                                     |  |                          | 2,803   |   |      |   | 2,988    |      |  |   | 1,698    |     |  |      | 1,232  |   |  |   | 674    |  
|                                                                            |  |                          |         |   |      |   |          |      |  |   |          |     |  |      |        |   |  |   |        |  
|Total                                                                       |  | $                        | 110,110 |   |      | $ | 98,461   |      |  | $ | 66,483   |     |  | $    | 27,496 |   |  | $ | 14,199 |  
|                                                                            |  |                          |         |   |      |   |          |      |  |   |          |     |  |      |        |   |  |   |        |  
|Ratio of Earnings to Fixed Charges                                          |  |                          | 1.0x    |   |      |   |         | (5)  |  |   |         | (6) |  |      | 1.7x   |   |  |   | 2.5x   |  
|                                                                            |  |                          |         |   |      |   |          |      |  |   |          |     |  |      |        |   |  |   |        |  



|(1) | 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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|(2) | 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 in face amount of its senior unsecured notes for an aggregate purchase price of 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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|(3) | Includes a $169.4 million non-cash loss recognized on derivatives for the year ended December 31, 2007.
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|(4) | Represents one-third of the total operating lease rental expense which is that portion deemed to be interest.
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|(5) | Due to Partnerships loss for the year ended December 31, 2008, its earnings were insufficient to cover its fixed charges by $634.4 million.
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|(6) | Due to Partnerships loss for the year ended December 31, 2007, its earnings were insufficient to cover its fixed charges by $173.3 million.
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