Exhibit 12.1 DST SYSTEMS, INC. COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (DOLLARS IN THOUSANDS) Six Months Years Ended Decmeber 31 Ended June --------------------------------------------------------------- 30, 2005 2004 2003 2002 2001 2000 --------- ---------- ---------- --------- --------- --------- Pretax income from continuing operations before adjustment for minority interests in consolidated subsidiaries or income or loss from equity $334,291 $296,706 $417,707 $310,132 $354,977 $325,318 investees Add: Fixed Charges 43,229 73,114 50,328 38,946 31,851 29,351 Amortization of capitalized interest 102 189 167 179 162 118 Distributed earnings of equity investees 473 - 102 371 49 92 Subtract: Capitalized interest - (597) (571) (210) (1,005) (852) --------- --------- ---------- --------- --------- --------- Pretax income as adjusted $378,095 $369,412 $467,733 $349,418 $386,034 $354,027 ========= ========= ========== ========= ========= ========= Fixed charges: Interest expense 34,768 $55,204 $26,877 $13,379 $ 7,452 $ 5,561 Interest capitalized - 597 571 210 1,005 852 --------- --------- ---------- --------- --------- --------- 34,768 55,801 27,448 13,589 8,457 6,413 Portion of rents representative of an appropriate interest factor (1) 8,461 17,313 22,880 25,357 23,394 22,938 --------- --------- ---------- --------- --------- --------- Total fixed charges $ 43,229 $73,114 $50,328 $38,946 $31,851 $29,351 ========= ========= ========== ========= ========= ========= Ratio of earnings to fixed charges 8.7 5.1 9.3 9.0 12.1 12.1 - -------------- (1) Rents represent one-third of rent expense.