EXHIBIT 12.0
LORAL CYBERSTAR, INC.
COMPUTATION OF DEFICIENCY OF EARNINGS TO COVER FIXED CHARGES
(IN THOUSANDS)
(UNAUDITED)
<Table>
<Caption>
NINE MONTHS NINE MONTHS
ENDED YEARS ENDED ENDED
SEPTEMBER 30, DECEMBER 31, DECEMBER 31,
-------------------- --------------------- ------------
2001 2000 2000 1999 1998
-------- --------- --------- --------- ------------
Loss before income taxes........... $(91,570) $(114,039) $(136,288) $(124,532) $(81,002)
Plus fixed charges:
Interest expense................... 75,121 72,572 97,223 69,776 46,439
Interest component of rent
expense(1)....................... 4,488 518 4,829 440 452
Less: capitalized interest......... -- -- -- (20,955) (16,339)
-------- --------- --------- --------- --------
Loss available to cover fixed
charges.......................... $(11,961) $ (40,949) $ (34,236) $ (75,271) $(50,450)
======== ========= ========= ========= ========
Fixed charges...................... $(79,609) $ (73,090) $(102,052) $ (70,216) $(46,891)
======== ========= ========= ========= ========
Deficiency of earnings to cover
fixed charges.................... $(91,570) $(114,039) $(136,288) $(145,487) $(97,341)
======== ========= ========= ========= ========
</Table>
- ---------------
(1) The interest component of rent expense is deemed to be approximately 25% of
total rent expense.