Exhibit 12.1

UNIONBANCAL CORPORATION AND SUBSIDIARIES  COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES REQUIREMENTS

|                                                                                                                 |                                                  | For the Years Ended December 31,
|---------------------------------------------------------------------------------------------------------------- | ------------------------------------------------ | --------------------------------
|
|
|EXCLUDING INTEREST ON DEPOSITS                                                                                   |                                                  |                                 
|Income before income taxes and effect of accounting changes                                                      |                                                  | $                               
|Fixed Charges:                                                                                                   |                                                  |                                 
|                                                                                                                 | Interest expense, excluding interest on deposits |                                 
|                                                                                                                 | One third of rents, net income from subleases(A) |                                 
|                                                                                                                 |                                                  |                                 
|                                                                                                                 |                                                  | Total fixed charges             
|                                                                                                                 |                                                  |                                 
|Earnings before taxes, fixed charges, and effect of accounting changes, excluding capitalized interest           |                                                  | $                               
|                                                                                                                 |                                                  |                                 
|Ratio of earnings to fixed charges requirements                                                                  |                                                  |                                 
|                                                                                                                 |                                                  |                                 
|INCLUDING INTEREST ON DEPOSITS                                                                                   |                                                  |                                 
|Fixed charges                                                                                                    |                                                  | $                               
|Add: Interest on deposits                                                                                        |                                                  |                                 
|                                                                                                                 |                                                  |                                 
|Total fixed charges including interest on deposits                                                               |                                                  | $                               
|                                                                                                                 |                                                  |                                 
|Earnings before taxes, fixed charges, and effect of accounting changes, excluding capitalized interest, as above |                                                  | $                               
|Add: Interest on deposits                                                                                        |                                                  |                                 
|                                                                                                                 |                                                  |                                 
|Total earnings before taxes, fixed charges, effect of accounting changes, and interest on deposits               |                                                  | $                               
|                                                                                                                 |                                                  |                                 
|Ratio of earnings to fixed charges requirements                                                                  |                                                  |                                 
|                                                                                                                 |                                                  |                                 

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