Exhibit 12

Consolidated Natural Gas Company

Computation of Ratio of Earnings to Fixed Charges

(millions of dollars)



|                                                                                                            |  |                                 |      |   |                                  |   |       |      |  |   |       |   |  |      |       |   |      |   |       |   |  |   |       |  
|----------------------------------------------------------------------------------------------------------- |  | ------------------------------- | ---- | - | -------------------------------- | - | ----- | ---- |  | - | ----- | - |  | ---- | ----- | - | ---- | - | ----- | - |  | - | ----- | -
|                                                                                                            |  |                                 |      |   | Years Ended                      |  
|                                                                                                            |  | ThreeMonthsEnded March 31, 2007 |      |   | TwelveMonthsEnded March 31, 2007 |   |       | 2006 |  |   | 2005  |   |  | 2004 |       |   | 2003 |  
|Earnings, as defined:                                                                                       |  |                                 |      |   |                                  |   |       |      |  |   |       |   |  |      |       |   |      |   |       |   |  |   |       |  
|Earnings from continuing operations before income taxes and minority interests in consolidated subsidiaries |  | $                               | 510  |   |                                  | $ | 1,523 |      |  | $ | 1,470 |   |  | $    | 872   |   |      | $ | 1,349 |   |  | $ | 1,011 |  
|Distributed income from unconsolidated investees, less equity in earnings                                   |  |                                 | (3   | ) |                                  |   | (11   | )    |  |   | (14   | ) |  |      | (5    | ) |      |   | (5    | ) |  |   | (14   | )
|Fixed charges included in the determination of net income                                                   |  |                                 | 89   |   |                                  |   | 321   |      |  |   | 302   |   |  |      | 235   |   |      |   | 185   |   |  |   | 169   |  
|                                                                                                            |  |                                 |      |   |                                  |   |       |      |  |   |       |   |  |      |       |   |      |   |       |   |  |   |       |  
|Total earnings, as defined                                                                                  |  | $                               | 596  |   |                                  | $ | 1,833 |      |  | $ | 1,758 |   |  | $    | 1,102 |   |      | $ | 1,529 |   |  | $ | 1,166 |  
|                                                                                                            |  |                                 |      |   |                                  |   |       |      |  |   |       |   |  |      |       |   |      |   |       |   |  |   |       |  
|Fixed charges, as defined:                                                                                  |  |                                 |      |   |                                  |   |       |      |  |   |       |   |  |      |       |   |      |   |       |   |  |   |       |  
|Interest charges                                                                                            |  | $                               | 102  |   |                                  | $ | 371   |      |  | $ | 349   |   |  | $    | 275   |   |      | $ | 224   |   |  | $ | 223   |  
|Rental interest factor                                                                                      |  |                                 | 6    |   |                                  |   | 21    |      |  |   | 20    |   |  |      | 18    |   |      |   | 17    |   |  |   | 13    |  
|                                                                                                            |  |                                 |      |   |                                  |   |       |      |  |   |       |   |  |      |       |   |      |   |       |   |  |   |       |  
|Total fixed charges, as defined                                                                             |  | $                               | 108  |   |                                  | $ | 392   |      |  | $ | 369   |   |  | $    | 293   |   |      | $ | 241   |   |  | $ | 236   |  
|                                                                                                            |  |                                 |      |   |                                  |   |       |      |  |   |       |   |  |      |       |   |      |   |       |   |  |   |       |  
|Ratio of Earnings to Fixed Charges                                                                          |  |                                 | 5.52 |   |                                  |   | 4.68  |      |  |   | 4.76  |   |  |      | 3.76  |   |      |   | 6.34  |   |  |   | 4.94  |