EXHIBIT 12.1 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (in thousands, except ratio amounts) For the Three Months Ended March 31, For the Year Ended December 31, -------------------------- -------------------------------------- 2000 1999 1999 1998 1997 ---------- --------- --------- --------- ---------- Income Before Extraordinary Item $ 29,534 $ 22,896 $111,929 $ 87,982 $ 59,153 Fixed Charges 8,828 9,935 37,352 21,751 15,534 -------- -------- -------- -------- -------- Adjusted Earnings $ 38,362 $ 32,831 $149,281 $109,733 $ 74,687 ======== ======== ======== ======== ======== Fixed Charges: Interest on indebtedness and amortization of deferred finance costs $ 8,828 $ 9,935 $ 37,352 $ 21,751 $ 15,534 -------- -------- -------- -------- -------- Total Fixed Charges $ 8,828 $ 9,935 $ 37,352 $ 21,751 $ 15,534 ======== ======== ======== ======== ======== Ratio of Earnings to Fixed Charges 4.35x 3.30x 4.00x 5.04x 4.81x ======== ======== ======== ======== ========