Exhibit 12

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

|                                   |                                                                                  |                                 |                              | Years Ended
|---------------------------------- | -------------------------------------------------------------------------------- | ------------------------------- | ---------------------------- | -----------
|                                   |                                                                                  |                                 | 12 months endedJune 30, 2002 | 2001       
|Earnings, as defined:              |                                                                                  |                                 |                              |            
|                                   | Earnings before income taxes and minority interests in consolidated subsidiaries | $684.0                          | $604.0                       | $360.4     
|                                   | Distributed income from unconsolidated investees, less equity in earnings        | (12.6)                          | (5.8)                        | 13.1       
|                                   | Fixed charges included in the determination of net income                        | 147.0                           | 170.2                        | 184.1      
|                                   |                                                                                  | Total earnings, as defined      | $818.4                       | $768.4     
|                                   |                                                                                  |                                 |                              |            
|                                   | Fixed charges, as defined:                                                       |                                 |                              |            
|                                   |                                                                                  | Interest charges                | $190.9                       | $181.1     
|                                   |                                                                                  | Rental interest factor          | 11.4                         | 11.1       
|                                   |                                                                                  | Total fixed charges, as defined | $202.3                       | $192.2     
|                                   |                                                                                  |                                 |                              |            
|Ratio of Earnings to Fixed Charges | 4.05                                                                             | 4.00                            | 3.03                         | 2.33       
|                                   |                                                                                  |                                 |                              |            
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