EXHIBIT 11.1
SONUS PHARMACEUTICALS, INC.
COMPUTATION OF NET INCOME (LOSS) PER SHARE
THREE MONTHS ENDED
MARCH 31,
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BASIC EARNINGS PER SHARE: 1998 1997
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Net income (loss) .................... $(3,266,692) $ 1,356,187
Weighted average common shares ....... 8,612,923 8,531,352
Basic earnings per share .......... $ (0.38) $ 0.16
DILUTED EARNINGS PER SHARE:
Net income (loss) .................... $(3,266,692) $ 1,356,187
Weighted average common shares - basic 8,612,923 8,531,352
Dilutive potential common shares ..... -- 965,730
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Total ............................. 8,612,923 9,497,082
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Diluted earnings per share ........ $ (0.38) $ 0.14
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