EXHIBIT 11
CHIRON CORPORATION
STATEMENT OF COMPUTATION OF EARNINGS (LOSS) PER SHARE
YEAR ENDED DECEMBER 31,
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1997 1996 1995
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Earnings (loss) per share:
Income (loss) from continuing operations
available to common stockholders $50,838,000 $56,603,000 $(465,274,000)
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Income (loss) per share $ 0.29 $ 0.33 $ (2.86)
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Income (loss) per share - assuming dilution $ 0.29 $ 0.32 $ (2.86)
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Net income (loss) available to common stockholders $71,219,000 $55,145,000 $(512,463,000)
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Income (loss) per share $ 0.41 $ 0.33 $ (3.15)
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Income (loss) per share - assuming dilution $ 0.40 $ 0.31 $ (3.15)
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Shares used in earnings (loss) per share computations:
Weighted-average common shares outstanding 173,524,000 169,347,000 162,442,000
Effect of dilutive securities:
Options and equivalents 4,219,000 7,450,000 -
Warrants 204,000 297,000 -
Performance units 41,000 10,000 -
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Weighted-average common shares outstanding
plus assumed conversions 177,988,000 177,104,000 162,442,000
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