Exhibit 12

Consolidated Natural Gas Company

Computation of Ratio of Earnings to Fixed Charges

(millions of dollars)



|                                                                                 |  |             |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |      |  
|-------------------------------------------------------------------------------- |  | ----------- | ----- | - | ---- | - | ----- | ---- |  | - | ----- | - |  | ---- | ----- | - |  | - | ---- | -
|                                                                                 |  | Years Ended |      
|                                                                                 |  | 2005        |       |   | 2004 |   |       | 2003 |  |   | 2002  |   |  | 2001 |      
|Earnings, as defined:                                                            |  |             |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |      |  
|Earnings before income taxes and minority interests in consolidated subsidiaries |  | $           | 872   |   |      | $ | 1,349 |      |  | $ | 1,022 |   |  | $    | 950   |   |  | $ | 604  |  
|                                                                                 |  |             |       |   |     
|Distributed income from unconsolidated investees, less equity in earnings        |  |             | (5    | ) |      |   | (5    | )    |  |   | (14   | ) |  |      | (16   | ) |  |   | (6   | )
|                                                                                 |  |             |       |   |     
|Fixed charges included in the determination of net income                        |  |             | 245   |   |      |   | 190   |      |  |   | 169   |   |  |      | 168   |   |  |   | 170  |  
|                                                                                 |  |             |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |      |  
|Total earnings, as defined                                                       |  | $           | 1,112 |   |      | $ | 1,534 |      |  | $ | 1,177 |   |  | $    | 1,102 |   |  | $ | 768  |  
|                                                                                 |  |             |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |      |  
|Fixed charges, as defined:                                                       |  |             |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |      |  
|Interest charges                                                                 |  | $           | 285   |   |      | $ | 229   |      |  | $ | 223   |   |  | $    | 227   |   |  | $ | 181  |  
|Rental interest factor                                                           |  |             | 18    |   |      |   | 17    |      |  |   | 13    |   |  |      | 11    |   |  |   | 11   |  
|                                                                                 |  |             |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |      |  
|Total fixed charges, as defined                                                  |  | $           | 303   |   |      | $ | 246   |      |  | $ | 236   |   |  | $    | 238   |   |  | $ | 192  |  
|                                                                                 |  |             |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |      |  
|Ratio of Earnings to Fixed Charges                                               |  |             | 3.67  |   |      |   | 6.24  |      |  |   | 4.99  |   |  |      | 4.63  |   |  |   | 4.00 |