EXHIBIT 12 BANK UNITED CORP. COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (DOLLARS IN THOUSANDS) FOR THE SIX MONTHS ENDED FOR THE YEAR ENDED SEPTEMBER 30, MARCH 31, ---------------------------------------------------------- 1996 1995 1994 1993 1992 1991 ----------- ---------- ---------- ---------- ---------- ---------- EARNINGS Income before income taxes, minority interest, and extraordinary loss... $ 61,387 $ 90,111 $ 86,081 $ 122,303 $ 56,805 $ 18,706 Fixed charges........................ 312,232 560,989 328,940 308,181 355,860 335,836 ----------- ---------- ---------- ---------- ---------- ---------- Income before income taxes, minority interest, extraordinary loss, and fixed charges...................... $ 373,619 $ 651,100 $ 415,021 $ 430,484 $ 412,665 $ 354,542 =========== ========== ========== ========== ========== ========== FIXED CHARGES Interest expense..................... $ 309,289 $ 552,760 $ 320,924 $ 300,831 $ 348,291 $ 330,659 One-third net rental expense......... 2,455 7,253 7,039 6,656 7,007 4,569 Amortization of debt expense......... 488 976 977 694 562 608 ----------- ---------- ---------- ---------- ---------- ---------- Total fixed charges.................. $ 312,232 $ 560,989 $ 328,940 $ 308,181 $ 355,860 $ 335,836 =========== ========== ========== ========== ========== ========== Earnings to fixed charges ratio...... 1.20 1.16 1.26 1.40 1.16 1.06 COMPUTATION OF RATIOS OF EARNINGS TO COMBINED FIXED CHARGES AND BANK'S PREFERRED STOCK DIVIDENDS (DOLLARS IN THOUSANDS) FOR THE SIX MONTHS ENDED FOR THE YEAR ENDED SEPTEMBER 30, MARCH 31, ---------------------------------------------------------- 1996 1995 1994 1993 1992 1991 ----------- ---------- ---------- ---------- ---------- ---------- EARNINGS Income before income taxes, minority interest, and extraordinary loss... $ 61,387 $ 90,111 $ 86,081 $ 122,303 $ 56,805 $ 18,706 Fixed charges........................ 312,232 560,989 328,940 308,181 355,860 335,836 ----------- ---------- ---------- ---------- ---------- ---------- Income before income taxes, minority interest, extraordinary loss, and fixed charges...................... $ 373,619 $ 651,100 $ 415,021 $ 430,484 $ 412,665 $ 354,542 =========== ========== ========== ========== ========== ========== COMBINED FIXED CHARGES AND BANK'S PREFERRED STOCK DIVIDENDS Interest expense..................... $ 309,289 $ 552,760 $ 320,924 $ 300,831 $ 348,291 $ 330,659 One-third net rental expense......... 2,455 7,253 7,039 6,656 7,007 4,569 Amortization of debt expense......... 488 976 977 694 562 608 ----------- ---------- ---------- ---------- ---------- ---------- Total fixed charges.................. 312,232 560,989 328,940 308,181 355,860 335,836 Bank's Preferred Stock dividends, pre-tax basis Series A........................ 7,024 14,011 14,006 10,581 -- -- Series B........................ 7,793 3,152 -- -- -- -- ----------- ---------- ---------- ---------- ---------- ---------- Combined fixed charges and Bank's Preferred Stock dividends.......... $ 327,049 $ 578,152 $ 342,946 $ 318,762 $ 355,860 $ 335,836 =========== ========== ========== ========== ========== ========== Earnings to combined fixed charges and Bank's Preferred Stock dividends ratio.................... 1.14 1.13 1.21 1.35 1.16 1.06