CASTER REPAIR TECHNICIAN *CASTER REPAIR TECHNICIAN (22) *Regresses back to last incumbent job Exhibit 12 SHEFFIELD STEEL CORPORATION AND SUBSIDIARIES Computation of Ratio of Earnings to Fixed Charges (In thousands, except ratios) Years Ended April 30, ---------------------------------------------------------------------- 1993 1994 1995 1996 1997 ---- ---- ---- ---- ---- Fixed charges, as defined: Interest on long-term debt $ 5,707 $ 7,384 $ 10,127 $ 11,758 $ 11,769 Amortization of debt issue costs 174 422 474 476 368 ------- ------ -------- -------- -------- Total fixed charges $ 5,881 $ 7,806 $ 10,601 $ 12,234 $ 12,137 ====== ===== ====== ====== ====== Earnings, as defined: Income (loss) before income taxes and extraordinary item $ (10,503) $ (2,353) $ 2,022 $ (3,091) $ (3,509) Fixed charges (as shown above) 5,881 7,806 10,601 12,234 12,137 ------ ----- ------ ------ ------ Earnings available for fixed charges $ (4,622) $ 5,453 $ 12,623 $ 9,143 $ 8,628 ====== ===== ====== ======= ======= Ratio of earnings to fixed charges - .70x 1.19x .75x .71x ======== ==== ===== ===== =====