EXHIBIT 11
CANTEL INDUSTRIES, INC.
COMPUTATION OF EARNINGS PER SHARE
Three Months Ended Nine Months Ended
April 30, April 30,
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1998 1997 1998 1997
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BASIC
Weighted average number of
shares outstanding 4,262,213 4,166,322 4,197,583 4,041,958
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Net income $ 484,000 $ 164,000 $1,265,000 $ 828,000
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Earnings per common share $ 0.11 $ 0.04 $ 0.30 $ 0.20
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DILUTED
Weighted average number of
shares outstanding 4,262,213 4,166,322 4,197,583 4,041,958
Dilutive effect of options and
warrants using the treasury
stock method and the average
market price for the period 243,412 234,969 228,622 317,643
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Weighted average number of
shares and common stock
equivalents 4,505,625 4,401,291 4,426,205 4,359,601
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Net income $ 484,000 $ 164,000 $1,265,000 $ 828,000
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Earnings per common share $ 0.11 $ 0.04 $ 0.29 $ 0.19
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