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,
|                                                |  | 2008                     |          |     | 2007 |   |          | 2006 |  |   | 2005   |   |  | 2004
|Earnings:                                       |  |                          |          |     |      |   |          |      |  |   |        |   |  |      |        |   |  |   |       
|Income (loss) before income tax expense(1)(2)   |  | $                        | (581,917 | )   |      | $ | (144,309 | )    |  | $ | 33,665 |   |  | $    | 25,752 |   |  | $ | 18,334
|Fixed charges                                   |  |                          | 98,503   |     |      |   | 66,644   |      |  |   | 28,537 |   |  |      | 14,927 |   |  |   | 2,575 
|                                                |  |                          |          |     |     
|Interest capitalized                            |  |                          | (8,872   | )   |      |   | (3,259   | )    |  |   | (2,636 | ) |  |      | (77    | ) |  |   |      
|Preferred dividends                             |  |                          | (1,769   | )   |      |   |         |      |  |   |       |   |  |      |       |   |  |   |      
|Amortization of previously capitalized interest |  |                          | 309      |     |      |   | 123      |      |  |   | 22     |   |  |      |       |   |  |   |      
|                                                |  |                          |          |     |      |   |          |      |  |   |        |   |  |      |        |   |  |   |       
|Total                                           |  | $                        | (493,746 | )   |      | $ | (80,801  | )    |  | $ | 59,588 |   |  | $    | 40,602 |   |  | $ | 20,909
|                                                |  |                          |          |     |      |   |          |      |  |   |        |   |  |      |        |   |  |   |       
|                                                |  |                          |          |     |     
|Fixed Charges:                                  |  |                          |          |     |      |   |          |      |  |   |        |   |  |      |        |   |  |   |       
|Interest cost and debt expense                  |  |                          | 84,843   |     |      |   | 61,526   |      |  |   | 24,572 |   |  |      | 14,175 |   |  |   | 2,301 
|Interest capitalized                            |  |                          | 8,872    |     |      |   | 3,259    |      |  |   | 2,636  |   |  |      | 77     |   |  |   |      
|Preferred dividends                             |  |                          | 1,769    |     |      |   |         |      |  |   |       |   |  |      |       |   |  |   |      
|Interest allocable to rental expense(3)         |  |                          | 3,019    |     |      |   | 1,859    |      |  |   | 1,329  |   |  |      | 675    |   |  |   | 274   
|                                                |  |                          |          |     |      |   |          |      |  |   |        |   |  |      |        |   |  |   |       
|Total                                           |  | $                        | 98,503   |     |      | $ | 66,644   |      |  | $ | 28,537 |   |  | $    | 14,927 |   |  | $ | 2,575 
|                                                |  |                          |          |     |      |   |          |      |  |   |        |   |  |      |        |   |  |   |       
|                                                |  |                          |          |     |     
|Ratio of Earnings to Fixed Charges              |  |                          |         | (4) |      |   |         | (5)  |  |   | 2.1x   |   |  |      | 2.7x   |   |  |   | 8.1x  
|                                                |  |                          |          |     |      |   |          |      |  |   |        |   |  |      |        |   |  |   |       



|(1) | Includes a $698.5 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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|(2) | Includes a $169.4 million non-cash loss recognized on derivatives for the year ended December 31, 2007.
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|(3) | Represents one-third of the total operating lease rental expense which is that portion deemed to be interest.
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|(4) | Due to Partnerships loss for the year ended December 31, 2008, its earnings were insufficient to cover its fixed charges by $592.2 million.
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|(5) | Due to Partnerships loss for the year ended December 31, 2007, its earnings were insufficient to cover its fixed charges by $147.4 million.
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