Exhibit 11.1
AMERICAN MOBILE SATELLITE CORPORATION
---------------------------------------
COMPUTATIONS OF EARNING PER COMMON SHARE
---------------------------------------
(in thousands, except per share amounts)
---------------------------------------
Three Months
Ended March 31,
1997 1996
---- ----
PRIMARY CALCULATION
Net Loss $(27,081) $(29,877)
========= ==========
Net Loss per common share $ (1.08) $ (1.20)
======== ========
Weighted-average common shares outstanding 25,109 24,995
====== ======
FULLY DILUTED CALCULATION
- -----------------------------------------------
Net Loss (1) $(27,081) $ (27,968)
========= ==========
Net Loss per common share $(1.08) $ (1.05)
======= ========
Weighted-average common shares outstanding (2) 25,188 26,726
====== ======
Three Months Ended
March 31,
(1) Calculated as follows: 1997 1996
---- ----
Primary net loss $(27,081) $(29,877)
Amortization of debt discount -- 995
Interest on convertible debt -- 914
--------- ----------
$(27,081) $(27,968)
(2) Calculated as follows:
Historical weighted average number of shares outstanding 25,109 24,995
--
Assumed exercise of stock options 17 86
Assumed exercise of stock purchase warrants 62 100
Assumed conversion of convertible short term borrowing -- 1,545
------- -----
25,188 26,726
====== =======