EXHIBIT 11.1
AMERICAN MOBILE SATELLITE CORPORATION
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COMPUTATIONS OF EARNINGS PER COMMON SHARE
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(in thousands, except per share amounts)
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Three Months Ended March 31,
1999 1998
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BASIC EARNINGS PER SHARE CALCULATION
Net Loss ($39,649) ($25,242)
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Net Loss per common share ($1.23) ($1.00)
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Weighted-average common shares outstanding 32,225 25,241
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DILUTED EARNINGS PER SHARE CALCULATION
Net Loss ($39,649) ($25,242)
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Net Loss per common share ($1.23) ($1.00)
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Weighted-average common shares (1) 32,309 25,336
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(1) Calculated as follows:
Historical weighted average number of
shares outstanding 32,225 25,241
Assumed exercise of stock options -- 33
Assumed exercise of stock purchase 84 62
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warrants
32,309 25,336
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