**Exhibit          12**

**Consolidated          Natural Gas Company**

**Computation          of Ratio of Earnings to Fixed Charges**

|                                                      |  Years                    Ended                                                                                   |
|-----------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------|
|                                                      |  Three                    Months Ended March                    31,2006                                           |  Twelve                    Months Ended March                    31, 2006 |     2005 |     2004 |     2003 |     2002 |     2001 |
| Earnings,                    as defined:                  |                                                                                                                   |   |   |   |   |   |   |
|                                                      | Earnings                    before income taxes and minority interests in consolidated                    subsidiaries |   $                    455 |   $                    875 |   $                    872 |   $                    1,349 |   $                    1,022 |   $                    950 |   $                    604 |
|                                                      | Distributed                    income from unconsolidated investees, less equity in earnings                           |  (6) |  (6) |  (5) |  (5) |  (14) |  (16) |  (6) |
|                                                      | Fixed                    charges included in the determination of net income                                           |  73 |  261 |  245 |  190 |  169 |    168 |                        170 |
|                                                      |                                                                                                                   | Total                    earnings, as defined | $                    522 | $                    1,130 | $                    1,112 | $                    1,534 | $                    1,177 | $                    1,102 | $                    768 |
|                                                      |                                                                                                                   |   |   |   |   |   |   |   |   |
|                                                      | Fixed                    charges, as defined:                                                                          |   |   |   |   |   |   |   |
|                                                      |                                                                                                                   | Interest                    charges | $                    84 | $                    303 | $                    285 | $                    229 | $                    223 | $                    227 | $                    181 |
|                                                      |                                                                                                                   | Rental                    interest factor | 4 | 18 | 18 | 17 | 13 |                         11 |                         11 |
|                                                      |                                                                                                                   | Total                    fixed charges, as defined | $                    88 | $                    321 | $                    303 | $                    246 | $                    236 | $                    238 | $                    192 |
|                                                      |                                                                                                                   |   |   |   |   |   |   |   |   |
| **Ratio                    of Earnings to Fixed Charges** | **5.93**                                                                                                               | **3.52** | **3.67** | **6.24** | **4.99** | **4.63** | **4.00** |
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