EX-12 4 cmw195b.txt COMPUTATION OF RATIOS INTERSTATE POWER AND LIGHT COMPANY RATIO OF EARNINGS TO FIXED CHARGES Exhibit 12
Six Months Ended June 30, Years Ended December 31, ------------------------- ------------------------ 2003 2002 2002 2001 2000 1999 1998 ------------------------- -------------------------------------------------- (Dollars in thousands) Net income $32,829 $28,676 $90,877 $98,066 $103,127 $97,292 $80,667 Income taxes 21,518 16,764 62,294 52,967 65,020 69,291 52,587 -------------------- ----------------------------------------------------- Income before income taxes 54,347 45,440 153,171 151,033 168,147 166,583 133,254 -------------------- ----------------------------------------------------- Interest expense 34,174 32,992 67,458 68,149 67,234 66,973 67,180 Estimated interest component of rent expense 1,879 2,305 4,394 4,923 5,530 4,539 4,588 -------------------- ----------------------------------------------------- Fixed charges as defined 36,053 35,297 71,852 73,072 72,764 71,512 71,768 -------------------- ----------------------------------------------------- Earnings as defined $90,400 $80,737 $225,023 $224,105 $240,911 $238,095 $205,022 ==================== ===================================================== Ratio of Earnings to Fixed Charges 2.51 2.29 3.13 3.07 3.31 3.33 2.86 ==================== =====================================================