Exhibit 12

Consolidated Natural Gas Company
Computation of Ratio of Earnings to Fixed Charges

(millions of dollars)

|                                   |                                                                                  |                                 | Years Ended                  
|---------------------------------- | -------------------------------------------------------------------------------- | ------------------------------- | -----------------------------
|                                   |                                                                                  |                                 | 12 Months Ended June 30, 2004
|Earnings, as defined:              |                                                                                  |                                 |                              
|                                   | Earnings before income taxes and minority interests in consolidated subsidiaries | $ 1,245                         | $ 1,022                      
|                                   | Distributed income from unconsolidated investees, less equity in earnings        | (15)                            | (14)                         
|                                   | Fixed charges included in the determination of net income                        | 175                             | 169                          
|                                   |                                                                                  | Total earnings, as defined      | $ 1,405                      
|                                   |                                                                                  |                                 |                              
|                                   | Fixed charges, as defined:                                                       |                                 |                              
|                                   |                                                                                  | Interest charges                | $ 222                        
|                                   |                                                                                  | Rental interest factor          | 15                           
|                                   |                                                                                  | Total fixed charges, as defined | $ 237                        
|                                   |                                                                                  |                                 |                              
|Ratio of Earnings to Fixed Charges | 5.93                                                                             | 4.99                            | 4.63                         
|                                   |                                                                                  |                                 |                              
|                                   |                                                                                  |                                 |                              



(a) Earnings for the twelve months ended June 30, 2004 include a $13 million impairment of certain assets held for sale and restructuring cost. Excluding these items from the calculation would result in a higher ratio of earnings to fixed charges for the twelve months ended June 30, 2004.