Exhibit 12 COMPUTATIONS OF RATIOS OF EARNINGS TO FIXED CHARGES Three months ended December 31 (in thousands) 2001 2000 - ---------------------------------------------------------------------------------------- Income before taxes $158,026 $196,664 Add fixed charges: Interest expense-excluding interest on deposits 6,068 5,492 Interest expense-deposits 2,754 604 Interest factor on rent 5,293 4,303 ---------------------------------- Total fixed charges 14,115 10,399 ----------------------------------- Earnings before fixed charges and taxes on income $172,141 $207,063 ======================================= Ratio of earnings to fixed charges 12.2 19.9 -including interest on deposits Ratio of earnings to fixed charges 14.9 21.1 -excluding interest on deposits