**Exhibit No. 12.1**

**UNIONBANCALCORPORATION AND SUBSIDIARIES**

**COMPUTATIONOF RATIO OF EARNINGS TO COMBINED FIXED CHARGES REQUIREMENTS**
| ** **                                                                                                         | ** ** | **For the Years Ended December 31,** | ** ** |
|--------------------------------------------------------------------------------------------------------------------|------------|---------------------------------------------------------------|------------|
| **(In millions, except ratios)**                                                                    | ** ** | ** **                                                    | ** ** | **2002** | ** ** | **2003** | ** ** | **2004** | ** ** | **2005** | ** ** | **2006** | ** ** |
| EXCLUDING INTEREST ON  DEPOSITS                                                                                    |       |                                                          |       |   |   |   |   |   |   |   |   |
| Income before income  taxes and effect of accounting changes                                                       |       | $                                                             | 736        |   | $ | 824 |   | $ | 1,109 |   | $ | 1,087 |   | $ | 1,035 |   |
| Fixed Charges:                                                                                                     |       |                                                          |       |   |   |   |   |   |   |   |   |
| Interest  expense, excluding interest on deposits                                                                  |       | 59                                                            |       | 37 |   | 38 |   | 82 |   | 194 |   |
| One third of  rents, net income from subleases (A)                                                                 |       | 11                                                            |       | 11 |   | 14 |   | 17 |   | 15 |   |
| Total fixed  charges                                                                                               |       | 70                                                            |       | 48 |   | 52 |   | 99 |   | 209 |   |
| Earnings before taxes,  fixed charges, and effect of accounting changes, excluding capitalized  interest           |       | $                                                             | 806        |   | $ | 872 |   | $ | 1,161 |   | $ | 1,186 |   | $ | 1,244 |   |
| Ratio of earnings to  fixed charges requirements                                                                   |       | 11.51                                                         |       | 18.17 |   | 22.33 |   | 11.98 |   | 5.95 |   |
|                                                                                                               |       |                                                          |       |   |   |   |   |   |   |   |   |
| INCLUDING INTEREST ON  DEPOSITS                                                                                    |       |                                                          |       |   |   |   |   |   |   |   |   |
| Fixed charges                                                                                                      |       | $                                                             | 70         |   | $ | 48 |   | $ | 52 |   | $ | 99 |   | $ | 209 |   |
| Add: Interest on  deposits                                                                                         |       | 220                                                           |       | 152 |   | 147 |   | 303 |   | 650 |   |
| Total fixed charges  including interest on deposits                                                                |       | $                                                             | 290        |   | $ | 200 |   | $ | 199 |   | $ | 402 |   | $ | 859 |   |
| Earnings before taxes,  fixed charges, and effect of accounting changes, excluding capitalized  interest, as above |       | $                                                             | 806        |   | $ | 872 |   | $ | 1,161 |   | $ | 1,186 |   | $ | 1,244 |   |
| Add: Interest on  deposits                                                                                         |       | 220                                                           |       | 152 |   | 147 |   | 303 |   | 650 |   |
| Total earnings before  taxes, fixed charges, effect of accounting changes, and interest on deposits                |       | $                                                             | 1,026      |   | $ | 1,024 |   | $ | 1,308 |   | $ | 1,489 |   | $ | 1,894 |   |
| Ratio of earnings to fixed charges requirements                                                                    |       | 3.54                                                          |       | 5.12 |   | 6.57 |   | 3.70 |   | 2.20 |   |
|                                                                                                                    |            |                                                               |            |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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(A)         Theproportion deemed representative of the interest factor.

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