| **CILCORP                  INC.****Computation                  of Ratio of Earnings to Fixed Charges****(Thousands                  of Dollars, Except Ratios)** |                                |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------|
|                                                                                                                                                              |                                |   |   |   |   |
|                                                                                                                                                              |                                |   |   |   |   |
|                                                                                                                                                              | **9                  Months Ended** |   |   | **Year                  Ended** |   |
|                                                                                                                                                              | **September                  30,**  |   |   | **December                  31,** |   |
|                                                                                                                                                              | **2007**                            |   |   | **2006** |   |
| Net                  income from continuing operations                                                                                                            | $                                   | 35,586 |   |   | $ | 21,004 |   |
| Less-                  Change in accounting principle                                                                                                             |                                | - |   |   |   | - |   |
| Add-                  Taxes (benefit) based on income (loss)                                                                                                      |                                | 17,204 |   |   |   | (10,944 | ) |
|                                                                                                                                                              |                                |   |   |   |   |   |   |
| Net                  income before income taxes and change in accounting                  principle                                                               |                                | 52,790 |   |   |   | 10,060 |   |
|                                                                                                                                                              |                                |   |   |   |   |   |   |
| Add-                  fixed charges:                                                                                                                              |                                |   |   |   |   |   |   |
| Interest                  on long term debt                                                                                                                       |                                | 46,068 | (1)  |   |   | 51,574 |   |
| Estimated                  interest cost within rental expense                                                                                                    |                                | 260 |   |   |   | 289 |   |
| Amortization                  of net debt premium, discount,and                  expenses                                                                         |                                | 976 |   |   |   | 801 |   |
| Subsidiary                  preferred stock dividends                                                                                                             |                                | 1,410 |   |   |   | 1,933 |   |
| Adjust                  preferred stock dividends to pre-taxbasis                                                                                                 |                                | 682 |   |   |   | (1,007 | ) |
| Total                  fixed charges                                                                                                                              |                                | 49,396 |   |   |   | 53,590 |   |
|                                                                                                                                                              |                                |   |   |   |   |   |   |
| Less:                  Adjustment of preferred stock dividends to pre-tax basis                                                                                   |                                | 682 |   |   |   | (1,007 | ) |
|                                                                                                                                                              |                                |   |   |   |   |   |   |
| Earnings                  available for fixed charges                                                                                                             | $                                   | 101,504 |   |   | $ | 64,657 |   |
|                                                                                                                                                              |                                |   |   |   |   |   |   |
| Ratio                  of earnings to fixed charges                                                                                                               |                                | 2.05 |   |   |   | 1.20 |   |