Exhibit 12.1 JABIL CIRCUIT, INC. STATEMENT REGARDING COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (dollars in thousands, except ratio data) Years Ended August 31, Nine Months Ended -------------------------------------------------------------- MAY 31, 2003 2002 2001 2000 1999 1998 ------------ --------- --------- --------- -------- -------- (Unaudited) Pretax Income from Operations $ 13,075 $ 44,756 $ 166,148 $ 212,696 $133,303 $ 83,041 Fixed Charges 22,482 25,266 18,095 16,841 12,006 6,512 Interest Expense Capitalized(1) (837) (1,737) (3,023) (1,046) -- (83) Amortization of previously capitalized interest 121 120 43 -- -- -- -------- --------- --------- --------- -------- -------- $ 34,841 $ 68,405 $ 181,263 $ 228,491 $145,309 $ 89,470 ======== ========= ========= ========= ======== ======== Fixed Charges: Interest Expense $ 11,773 $ 13,055 $ 5,857 $ 7,605 $ 7,110 $ 3,876 Capitalized Interest 837 1,737 3,023 1,046 -- 83 Interest Expense portion of Annual rent expense(1) 9,872 10,474 9,215 8,190 4,896 2,553 -------- --------- --------- --------- -------- -------- Total Fixed Charges $ 22,482 $ 25,266 $ 18,095 $ 16,841 $ 12,006 $ 6,512 ======== ========= ========= ========= ======== ======== Ratio of Earnings to Fixed Charges 1.5 2.7 10.0 13.6 12.1 13.7 ======== ========= ========= ========= ======== ======== (1) Includes an appropriate interest portion of the annual rent expense for certain leased facilities and equipment which was deemed to be representative of the interest factor in rent expense.