|                                                                                   |        |                        |        |        |        |        |         |         |        |        |         |        |        |         |        |        |        |   |        |        |
|-----------------------------------------------------------------------------------|--------|------------------------|--------|--------|--------|--------|---------|---------|--------|--------|---------|--------|--------|---------|--------|--------|--------|---|--------|--------|
| West Bancorporation, Inc.                                                         |   |                   |   |   |   |   |    |    |   |   |
| Computation of Ratios of Earnings (Loss) to Fixed Charges and Preferred Dividends |
|                                                                              |   | Year Ended December 31 |
| (dollars in thousands)                                                            |   | 2010                   |   | 2009   |   | 2008   |    | 2007    |   | 2006   |
| Excluding Interest on Deposits:                                                   |   |                   |   |   |   |   |    |    |   |   |
| Fixed charges:                                                                    |   |                   |   |   |   |   |    |    |   |   |
| Interest expense                                                                  |   | $                      | 5,806  |   |   | $      | 7,088   |    |   | $      | 9,910   |   |   | $       | 13,672 |   |   | $ | 9,170  |   |
| 1/3 of net rent expense                                                           |   | 505                    |   |   | 571    |   |    | 435     |   |   | 455     |   |   | 379     |   |
| Total fixed charges                                                               |   | 6,311                  |   |   | 7,659  |   |    | 10,345  |   |   | 14,127  |   |   | 9,549   |   |
| Preferred dividend requirement                                                    |   | 1,800                  |   |   | 1,800  |   |    | — |   |   | — |   |   | — |   |
| Fixed charges and preferred dividends                                             |   | $                      | 8,111  |   |   | $      | 9,459   |    |   | $      | 10,345  |   |   | $       | 14,127 |   |   | $ | 9,549  |   |
|                                                                              |   |                   |   |   |   |   |    |    |   |   |
| Income (loss) before income taxes                                                 |   | $                      | 18,713 |   |   | $      | (12,407 | )       |   | $      | 8,697   |   |   | $       | 26,414 |   |   | $ | 28,077 |   |
| Total fixed charges                                                               |   | 6,311                  |   |   | 7,659  |   |    | 10,345  |   |   | 14,127  |   |   | 9,549   |   |
| Earnings (loss) before income taxes                                               |   |                   |   |   |   |   |    |    |   |   |
| and fixed charges                                                                 |   | $                      | 25,024 |   |   | $      | (4,748  | )       |   | $      | 19,042  |   |   | $       | 40,541 |   |   | $ | 37,626 |   |
|                                                                              |   |                   |   |   |   |   |    |    |   |   |
| Ratio of earnings (loss) before income taxes                                      |   |                   |   |   |   |   |    |    |   |   |
| and fixed charges to fixed charges                                                |   | 3.97                   |   |   | (0.62  | )      |    | 1.84    |   |   | 2.87    |   |   | 3.94    |   |
| Ratio of earnings (loss) before income taxes                                      |   |                   |   |   |   |   |    |    |   |   |
| and fixed charges to fixed charges and                                            |   |                   |   |   |   |   |    |    |   |   |    |   |   |    |
| preferred dividends                                                               |   | 3.09                   |   |   | (0.50  | )      |    | 1.84    |   |   | 2.87    |   |   | 3.94    |   |
|                                                                              |   |                   |   |   |   |   |    |    |   |   |    |   |   |    |
| Including Interest on Deposits:                                                   |   |                   |   |   |   |   |    |    |   |   |    |   |   |    |
| Fixed charges:                                                                    |   |                   |   |   |   |   |    |    |   |   |    |   |   |    |
| Interest expense                                                                  |   | $                      | 19,023 |   |   | $      | 26,636  |    |   | $      | 31,431  |   |   | $       | 43,823 |   |   | $ | 40,639 |   |
| 1/3 of net rent expense                                                           |   | 505                    |   |   | 571    |   |    | 435     |   |   | 455     |   |   | 379     |   |
| Total fixed charges                                                               |   | 19,528                 |   |   | 27,207 |   |    | 31,866  |   |   | 44,278  |   |   | 41,018  |   |
| Preferred dividend requirement                                                    |   | 1,800                  |   |   | 1,800  |   |    | — |   |   | — |   |   | — |   |
| Fixed charges and preferred dividends                                             |   | $                      | 21,328 |   |   | $      | 29,007  |    |   | $      | 31,866  |   |   | $       | 44,278 |   |   | $ | 41,018 |   |
|                                                                              |   |                   |   |   |   |   |    |    |   |   |
| Income (loss) before income taxes                                                 |   | $                      | 18,713 |   |   | $      | (12,407 | )       |   | $      | 8,697   |   |   | $       | 26,414 |   |   | $ | 28,077 |   |
| Total fixed charges                                                               |   | 19,528                 |   |   | 27,207 |   |    | 31,866  |   |   | 44,278  |   |   | 41,018  |   |
| Earnings (loss) before income taxes                                               |   |                   |   |   |   |   |    |    |   |   |
| and fixed charges                                                                 |   | $                      | 38,241 |   |   | $      | 14,800  |    |   | $      | 40,563  |   |   | $       | 70,692 |   |   | $ | 69,095 |   |
|                                                                              |   |                   |   |   |   |   |    |    |   |   |
| Ratio of earnings (loss) before income taxes                                      |   |                   |   |   |   |   |    |    |   |   |
| and fixed charges to fixed charges                                                |   | 1.96                   |   |   | 0.54   |   |    | 1.27    |   |   | 1.60    |   |   | 1.68    |   |
| Ratio of earnings (loss) before income taxes                                      |   |                   |   |   |   |   |    |    |   |   |
| and fixed charges to fixed charges and                                            |   |                   |   |   |   |   |    |    |   |   |
| preferred dividends                                                               |   | 1.79                   |   |   | 0.51   |   |    | 1.27    |   |   | 1.60    |   |   | 1.68    |   |