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: Actual.......................... 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: Actual.......................... 1.14 1.13 1.21 1.35 1.16 1.06