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EXHIBIT 12.1
Computer Network Technology
Ratio of Earnings To Fixed Charges
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6 Months
Ended July 31,
1995 1996 1997 1998 1999 2000
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<S> <C> <C> <C> <C> <C> <C>
Income from continuing operations before tax $ 5,421 $8,349 $ 761 $ 5,089 $ 6,555 $ 8,809
Plus fixed charges:
Interest expense including amortization
of debt issuance costs 60 46 57 79 264 175
Assumed interest element included in
rent expense (1) 659 607 717 714 1,057 815
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719 653 774 793 1,321 990
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Adjusted earnings 6,140 9,002 1,535 5,882 7,876 9,799
Fixed charges 719 653 774 793 1,321 990
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Ratio of earnings to fixed charges 8.54 13.79 1.98 7.42 5.96 9.90
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(1) Total rent expense for the period divided by three. This is the portion of
rental expense which the company believes to be representative of interest.
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<S> <C> <C> <C> <C> <C> <C>
Rent expense $ 1,977 $1,822 $ 2,151 $ 2,141 $ 3,171 $ 2,444
Interest portion - 33% $ 659 $ 607 $ 717 $ 714 $ 1,057 $ 815
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