EXHIBIT 12 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Three Months Ended March 31 ----------- (Dollars in Millions) 1999 ====================================================================================================== EARNINGS 1. Net income ........................................................................ $ 366.8 2. Applicable income taxes ........................................................... 206.4 ----------- 3. Net income before taxes (1 + 2) ................................................... $ 573.2 =========== 4. Fixed charges: a Interest expense excluding interest on deposits ................................ $ 257.7 b. Portion of rents representative of interest and amortization of debt expense ... 11.5 ----------- c. Fixed charges excluding interest on deposits (4a + 4b) ......................... 269.2 d. Interest on deposits ........................................................... 311.6 ----------- e. Fixed charges including interest on deposits (4c + 4d) ......................... $ 580.8 =========== 5. Amortization of interest capitalized .............................................. $ -- 6. Earnings excluding interest on deposits (3 + 4c + 5) .............................. 842.4 7. Earnings including interest on deposits (3 + 4e + 5) .............................. 1,154.0 8. Fixed charges excluding interest on deposits (4c) ................................. 269.2 9. Fixed charges including interest on deposits (4e) ................................. 580.8 RATIO OF EARNINGS TO FIXED CHARGES 10. Excluding interest on deposits (line 6/line 8) .................................... 3.13 11. Including interest on deposits (line 7/line 9) .................................... 1.99 ====================================================================================================== U.S. Bancorp 27