EXHIBIT 12.1

DUKE REALTY LIMITED PARTNERSHIP

CALCULATION OF
RATIO OF EARNINGS TO FIXED CHARGES AND RATIO OF EARNINGS

TO COMBINED FIXED CHARGES AND PREFERRED DISTRIBUTIONS

(in thousands, except ratios)



|                                                                       |  |                  |          |     |                  |   |         |                  |  |                  |         |                  |   |         |  |   |        
|---------------------------------------------------------------------- |  | ---------------- | -------- | --- | ---------------- | - | ------- | ---------------- |  | ---------------- | ------- | ---------------- | - | ------- |  | - | -------
|                                                                       |  | December 31,2009 |          |     | December 31,2008 |   |         | December 31,2007 |  | December 31,2006 |         | December 31,2005
|Income (loss) from continuing operations, less preferred distributions |  | $                | (350,516 | )   |                  | $ | 20,102  |                  |  | $                | 106,142 |                  | $ | 102,762 |  | $ | 96,530 
|Preferred distributions                                                |  |                  | 73,451   |     |                  |   | 71,426  |                  |  |                  | 58,292  |                  |   | 56,419  |  |   | 46,479 
|Interest expense                                                       |  |                  | 220,239  |     |                  |   | 198,449 |                  |  |                  | 174,981 |                  |   | 170,348 |  |   | 105,882
|                                                                       |  |                  |          |     |                  |   |         |                  |  |                  |         |                  |   |         |  |   |        
|Earnings (loss) before fixed charges                                   |  | $                | (56,826  | )   |                  | $ | 289,977 |                  |  | $                | 339,415 |                  | $ | 329,529 |  | $ | 248,891
|                                                                       |  |                  |          |     |                  |   |         |                  |  |                  |         |                  |   |         |  |   |        
|                                                                       |  |                  |          |     |                 
|Interest expense                                                       |  | $                | 220,239  |     |                  | $ | 198,449 |                  |  | $                | 174,981 |                  | $ | 170,348 |  | $ | 105,882
|Interest costs capitalized                                             |  |                  | 26,864   |     |                  |   | 53,456  |                  |  |                  | 59,167  |                  |   | 36,260  |  |   | 9,510  
|                                                                       |  |                  |          |     |                  |   |         |                  |  |                  |         |                  |   |         |  |   |        
|Total fixed charges                                                    |  |                  | 247,103  |     |                  |   | 251,905 |                  |  |                  | 234,148 |                  |   | 206,608 |  |   | 115,392
|                                                                       |  |                  |          |     |                 
|Preferred distributions                                                |  |                  | 73,451   |     |                  |   | 71,426  |                  |  |                  | 58,292  |                  |   | 56,419  |  |   | 46,479 
|                                                                       |  |                  |          |     |                  |   |         |                  |  |                  |         |                  |   |         |  |   |        
|Total fixed charges and preferred distributions                        |  | $                | 320,554  |     |                  | $ | 323,331 |                  |  | $                | 292,440 |                  | $ | 263,027 |  | $ | 161,871
|                                                                       |  |                  |          |     |                  |   |         |                  |  |                  |         |                  |   |         |  |   |        
|                                                                       |  |                  |          |     |                 
|Ratio of earnings to fixed charges                                     |  |                  | N/A      | (1) |                  |   | 1.15    |                  |  |                  | 1.45    |                  |   | 1.59    |  |   | 2.16   
|                                                                       |  |                  |          |     |                  |   |         |                  |  |                  |         |                  |   |         |  |   |        
|                                                                       |  |                  |          |     |                 
|Ratio of earnings to fixed charges and preferred distributions         |  |                  | N/A      | (2) |                  |   | N/A     | (3)              |  |                  | 1.16    |                  |   | 1.25    |  |   | 1.54   
|                                                                       |  |                  |          |     |                  |   |         |                  |  |                  |         |                  |   |         |  |   |        

(1) N/A  the ratio is less than 1.0; deficit of $303.9 million
exists for the year ended December 31, 2009. The calculation of earnings includes $339.0 million of non-cash depreciation expense and $302.8 million of impairment.

(2) N/A  the ratio is less than 1.0; deficit of $377.4 million exists for the year ended December 31, 2009. The calculation of earnings includes $339.0 million of non-cash depreciation expense
and $302.8 million of impairment.

(3) N/A  the ratio is less than 1.0; deficit of $33.4 million exists for the year ended
December 31, 2008. The calculation of earnings includes $308.1 million of non-cash depreciation expense and $18.5 million of impairment.