| **CILCORP                INC.****Computation                of Ratio of Earnings to Fixed Charges****(Thousands                of Dollars, Except Ratios)** |                              |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------|
|                                                                                                                                                        |                              |   |   |   |   |
|                                                                                                                                                        |                              |   |   |   |   |
|                                                                                                                                                        | **6                Months Ended** |   |   | **Year                Ended** |   |
|                                                                                                                                                        | **June                30,**       |   |   | **December                31,** |   |
|                                                                                                                                                        | **2007**                          |   |   | **2006** |   |
| Net                income from continuing operations                                                                                                        | $                                 | 33,061 |   |   | $ | 21,004 |   |
| Less-                Change in accounting principle                                                                                                         |                              | - |   |   |   | - |   |
| Add-                Taxes (benefit) based on income (loss)                                                                                                  |                              | 16,479 |   |   |   | (10,944 | ) |
| Net                income before income taxes and change in accounting                principle                                                             |                              | 49,540 |   |   |   | 10,060 |   |
|                                                                                                                                                        |                              |   |   |   |   |   |   |
| Add-                fixed charges:                                                                                                                          |                              |   |   |   |   |   |   |
| Interest                on long term debt                                                                                                                   |                              | 28,994 |   |   |   | 51,574 |   |
| Estimated                interest cost within rental expense                                                                                                |                              | 172 |   |   |   | 289 |   |
| Amortization                of net debt premium, discount,     and                expenses                                         |                              | 639 |   |   |   | 801 |   |
| Subsidiary                preferred stock dividends                                                                                                         |                              | 951 |   |   |   | 1,933 |   |
| Adjust                preferred stock dividends to pre-taxbasis                                                                                             |                              | 474 |   |   |   | (1,007 | ) |
| Total                fixed charges                                                                                                                          |                              | 31,230 |   |   |   | 53,590 |   |
| Less:                Adjustment of preferred stock dividends to pre-tax basis                                                                               |                              | 474 |   |   |   | (1,007 | ) |
|                                                                                                                                                        |                              |   |   |   |   |   |   |
| Earnings                available for fixed charges                                                                                                         | $                                 | 80,296 |   |   | $ | 64,657 |   |
|                                                                                                                                                        |                              |   |   |   |   |   |   |
| Ratio                of earnings to fixed charges                                                                                                           |                              | 2.57 |   |   |   | 1.20 |   |
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