Exhibit 12

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

(millions of dollars)

|                                   |                                                                                  |                                 |                                    | Years Ended
|---------------------------------- | -------------------------------------------------------------------------------- | ------------------------------- | ---------------------------------- | -----------
|                                   |                                                                                  |                                 | 12 months ended September 30, 2002 | 2001       
|Earnings, as defined:              |                                                                                  |                                 |                                    |            
|                                   | Earnings before income taxes and minority interests in consolidated subsidiaries | $721.0                          | $604.0                             | $360.4     
|                                   | Distributed income from unconsolidated investees, less equity in earnings        | (14.7)                          | (5.8)                              | 13.1       
|                                   | Fixed charges included in the determination of net income                        | 161.4                           | 170.2                              | 184.1      
|                                   |                                                                                  | Total earnings, as defined      | $867.7                             | $768.4     
|                                   |                                                                                  |                                 |                                    |            
|                                   | Fixed charges, as defined:                                                       |                                 |                                    |            
|                                   |                                                                                  | Interest charges                | $213.4                             | $181.1     
|                                   |                                                                                  | Rental interest factor          | 12.2                               | 11.1       
|                                   |                                                                                  | Total fixed charges, as defined | $225.6                             | $192.2     
|                                   |                                                                                  |                                 |                                    |            
|Ratio of Earnings to Fixed Charges | 3.85                                                                             | 4.00                            | 3.03                               | 2.33       
|                                   |                                                                                  |                                 |                                    |            
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