EXHIBIT 12 CALCULATION OF RATIOS OF EARNINGS TO FIXED CHARGES--CONSOLIDATED Years Ended December 31, ------------------------------------------------------------------- 1996 1995 1994 1993 1992 ------------ ------------ ----------- ------------ ------------ Excluding Interest on Deposits Fixed Charges: Interest on long-term debt and short-term borrowings........... $ 588,693 $ 489,697 $499,065 $467,841 $513,322 One-third of rent expense........ 14,495 13,651 14,412 10,859 10,252 ------------ ------------ ----------- ------------ ------------ Total fixed charges.......... $ 603,188 $ 503,348 $513,477 $478,700 $523,574 ============ ============ =========== ============ ============ Earnings: Income before income............. $ 590,546 $ 398,115 $ 492,366 $451,358 $347,269 Fixed charges................... 603,188 503,348 513,477 478,700 523,574 ------------ ------------ ----------- ------------ ------------ Total earnings............... $1,193,734 $ 901,463 $1,005,843 $930,058 $870,843 ============ ============ =========== ============ ============ Ratio of earnings to fixed charges excluding interest on deposits.... 1.98x 1.79x 1.96x 1.94x 1.66x Including Interest on Deposits Fixed Charges: Interest on long-term debt, short- term borrowings and deposits.... $1,870,898 $1,627,772 $1,326,855 $1,157,075 $1,318,228 One-third of rent expense........ 14,495 13,651 14,412 10,859 10,252 ------------ ------------ ----------- ------------ ------------ Total fixed charges.......... $1,885,393 $1,641,423 $1,341,267 $1,167,934 $1,328,480 ============ ============ =========== ============ ============ Earnings: Income before income taxes....... $ 590,546 $ 398,115 $ 492,366 $ 451,358 $347,269 Fixed charges................... 1,885,393 1,641,423 1,341,267 1,167,934 1,328,480 ------------ ------------ ----------- ------------ ------------ Total earnings............... $2,475,939 $2,039,538 $1,833,633 $1,619,292 $1,675,749 ============ ============ =========== ============ ============ Ratio of earnings to fixed charges including interest on deposits......................... 1.31x 1.24x 1.37x 1.39x 1.26x For the purpose of computing the consolidated ratio of earnings to fixed charges, earnings represent consolidated income before income taxes plus fixed charges. Fixed charges excluding interest on deposits consist of interest on long-term debt and short-term borrowings and one-third of rental expense (which is deemed representative of the interest factor). Fixed charges including interest on deposits consist of the foregoing items plus interest on deposits.