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EXHIBIT 12.1
AMKOR TECHNOLOGY, INC.
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
<Table>
<Caption>
YEAR ENDED DECEMBER 31,
--------------------------------------------------------
1998 1999 2000 2001 2002
-------- -------- -------- --------- ---------
(IN THOUSANDS EXCEPT RATIO DATA)
Earnings
Income (loss) before income taxes,
equity in income (loss) of
investees, minority interest
and discontinued operations.... $ 92,461 $ 87,494 $173,154 $(438,498) $(564,309)
Interest expense.................. 25,860 61,803 127,027 152,067 143,441
Amortization of debt issuance
costs.......................... 1,217 3,466 7,013 22,321 8,251
Interest portion of rent.......... 2,584 3,481 4,567 7,282 4,995
Less loss of affiliates........... -- 2,622 -- -- --
-------- -------- -------- --------- ---------
$122,122 $158,866 $311,761 $(256,828) $(407,622)
======== ======== ======== ========= =========
Fixed Charges
Interest expense.................. 25,860 61,803 127,027 152,067 143,441
Amortization of debt issuance
costs.......................... 1,217 3,466 7,013 22,321 8,251
Interest portion of rent.......... 2,584 3,481 4,567 7,282 4,995
-------- -------- -------- --------- ---------
$ 29,661 $ 68,750 $138,607 $ 181,670 $ 156,687
======== ======== ======== ========= =========
Ratio of earnings to fixed
charges........................... 4.1x 2.3x 2.2x --x(1) --x(1)
======== ======== ======== ========= =========
</Table>
- ---------------
(1) The ratio of earnings to fixed charges was less than 1:1 for the year ended
December 31, 2002. In order to achieve a ratio of earnings to fixed charges
of 1:1, we would have had to generate an additional $564.3 million of
earnings during the year ended December 31, 2002. We recorded charges
totaling $292.0 million for the year ended December 31, 2002 for goodwill
and long-lived asset impairments, lease terminations and other exit costs.
The ratio of earnings to fixed charges was less than 1:1 for the year ended
December 31, 2001. In order to achieve a ratio of earnings to fixed charges
of 1:1, we would have had to generate an additional $438.5 million of
earnings in the year ended December 31, 2001.
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