CARDINAL HEALTH, INC. COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES FOR THE FIVE YEARS ENDED JUNE 30, 2001 and FOR THE SIX MONTHS ENDED DECEMBER 31, 2001 Exhibit 99(a) Fiscal Year Ended June 30, ------------------------------------------------------- Six Months ($'s in millions) 1997 1998 1999 2000 2001 Ended --------- --------- --------- ---------- ---------- December 31, 2001 Earnings from continuing operations before income taxes $ 596.5 $ 734.4 $ 821.7 $ 1,141.9 $ 1,332.2 $ 802.3 Add-Fixed Charges: Interest Expense $ 120.2 $ 110.6 $ 118.0 $ 142.7 $ 158.1 $ 68.9 Interest Capitalized 0.4 1.7 4.5 1.6 2.7 1.7 Amortization of Debt Offering Costs 1.1 0.9 1.6 1.6 2.3 1.6 Interest Portion of Rent Expense 24.6 25.3 28.6 33.7 37.5 14.6 --------- --------- --------- ---------- ----------- ---------- Total Fixed Charges $ 146.3 $ 138.5 $ 152.7 $ 179.6 $ 200.6 $ 86.8 Less: Interest Capitalized (0.4) (1.7) (4.5) (1.6) (2.7) (1.7) --------- --------- --------- ---------- ----------- ---------- Earnings as Adjusted $ 742.4 $ 871.2 $ 969.9 $ 1,319.9 $ 1,530.1 $ 887.4 ========= ========= ========= ========== =========== ========== Ratio of Earnings to Fixed Charges 5.1 6.3 6.4 7.3 7.6 10.2