EXHIBIT 12 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES THREE SIX MONTHS MONTHS ENDED ENDED JUNE 30 JUNE 30 (DOLLARS IN MILLIONS) 1996 1996 EARNINGS 1. Net income $254.1 $430.9 2. Applicable income taxes 150.9 276.8 3. Net income before taxes (1 + 2) $405.0 $707.7 4. Fixed charges: a. Interest expense excluding interest on deposits $107.5 $220.5 b. Portion of rents representative of interest and amortization of debt expense 8.3 14.9 c. Fixed charges excluding interest on deposits (4a + 4b) 115.8 235.4 d. Interest on deposits 170.9 337.9 e. Fixed charges including interest on deposits (4c + 4d) $286.7 $573.3 5. Amortization of interest capitalized $-- $-- 6. Earnings excluding interest on deposits (3 + 4c + 5) 520.8 943.1 7. Earnings including interest on deposits (3 + 4e + 5) 691.7 1,281.0 8. Fixed charges excluding interest on deposits (4c) 115.8 235.4 9. Fixed charges including interest on deposits (4e) 286.7 573.3 RATIO OF EARNINGS TO FIXED CHARGES 10. Excluding interest on deposits (line 6/line 8) 4.50 4.01 11. Including interest on deposits (line 7/line 9) 2.41 2.23