Exhibit 11.1
AMERICAN MOBILE SATELLITE CORPORATION
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COMPUTATIONS OF EARNING PER COMMON SHARE
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(in thousands, except per share amounts)
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Three Months Nine Months Ended
Ended September 30, September 30,
1997 1996 1997 1996
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PRIMARY CALCULATION
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Net Loss ($26,264) ($30,002) ($80,187) ($103,388)
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Net Loss per common share ($1.04) ($1.20) ($3.19) ($4.13)
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Weighted-average common shares outstanding 25,145 25,065 25,125 25,024
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FULLY DILUTED CALCULATION
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Net Loss (1) ($26,264) ($30,002) ($80,187) ($97,994)
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Net Loss per common share ($1.04) ($1.19) ($3.18) ($3.88)
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Weighted-average common shares outstanding (2) 25,213 25,200 25,189 25,229
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Three Months Ended Nine Months Ended
September 30, September 30,
(1) Calculated as follows: 1997 1996 1997 1996
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Primary net loss ($26,264) ($30,002) ($80,187) ($103,388)
Amortization of debt discount --- --- --- 2,253
Interest on convertible debt --- --- --- 3,141
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($26,264) ($30,002) ($80,187) ($97,994)
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(2) Calculated as follows:
Historical weighted average number of shares 25,145 25,065 25,125 25,024
Assumed exercise of stock options 6 35 2 105
Assumed exercise of stock purchase warrants 62 100 62 100
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25,213 25,200 25,189 25,229
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