**Exhibit 12.1**

 

**IESI CORPORATION**

 

**COMPUTATION OF RATIO OF EARNINGS TO FIXEDCHARGES**

** **

**(IN THOUSANDS, EXCEPT RATIOS)**

**(Unaudited)**

 
|                                          |   | **For the Year Ended December 31,** |    |
|-----------------------------------------------|--------|-------------------------------------|---------|
|                                          |   | **2002**                            |    | **2001** |   | **2000** |   | **1999** |   | **1998** |   |
|                                          |   |                                |    |   |   |   |   |   |   |   |   |
| Earnings:                                     |   |                                |    |   |   |   |   |   |   |   |   |
| Income (loss) before income taxes             |   | $                                   | 4,332   |   | $ | 2,950 |   | $ | (884 | ) | $ | (9,983 | ) | $ | (3,857 | ) |
| Add back:                                     |   |                                |    |   |   |   |   |   |   |   |   |
|                                          |   |                                |    |   |   |   |   |   |   |   |   |
| Interest expense                              |   | 15,478                              |    | 12,961 |   | 11,142 |   | 7,905 |   | 2,590 |   |
|                                          |   |                                |    |   |   |   |   |   |   |   |   |
| Implicit interest in rents                    |   | 147                                 |    | 284 |   | 273 |   | 163 |   | 94 |   |
|                                          |   |                                |    |   |   |   |   |   |   |   |   |
| Earnings  available for fixed charges         |   | $                                   | 19,956  |   | $ | 16,195 |   | $ | 10,532 |   | $ | (1,915 | ) | $ | (1,173 | ) |
|                                          |   |                                |    |   |   |   |   |   |   |   |   |
| Fixed  Charges:                               |   |                                |    |   |   |   |   |   |   |   |   |
|                                          |   |                                |    |   |   |   |   |   |   |   |   |
| Interest expense                              |   | $                                   | 15,478  |   | $ | 12,961 |   | $ | 11,142 |   | $ | 7,905 |   | $ | 2,590 |   |
| Capitalized interest                          |   | 1,853                               |    | 1,602 |   | 1,883 |   | 80 |   | — |   |
|                                          |   |                                |    |   |   |   |   |   |   |   |   |
| Implicit interest in rents                    |   | 147                                 |    | 284 |   | 273 |   | 163 |   | 94 |   |
|                                          |   |                                |    |   |   |   |   |   |   |   |   |
| Total fixed  charges                          |   | $                                   | 17,478  |   | $ | 14,847 |   | $ | 13,299 |   | $ | 8,148 |   | $ | 2,685 |   |
|                                          |   |                                |    |   |   |   |   |   |   |   |   |
| Ratio of  earnings to fixed charges           |   | 1.1                                 | x  | 1.1 | x  | 0.8 | x  | -0.2 |   | -0.4 |   |
|                                          |   |                                |    |   |   |   |   |   |   |   |   |
| Insufficient  earnings to cover fixed charges |   |                                |    |   |   | $ | (2,767 | ) | $ | (10,063 | ) | $ | (3,857 | ) |

 

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