QuickLinks -- Click here to rapidly navigate through this documentExhibit 12.1
SI International, Inc. and Subsidiaries
Calculation of Ratios of Earnings to Fixed Charges and Preferred Stock Dividends
(Amounts in thousands)
| | 3 Months Ended
|
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| | March 27, 2004
| | March 29, 2003
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Earnings from continued operation before fixed charges | | | | | | |
Pre-tax income from continuing operations | | $ | 3,896 | | $ | 2,461 |
Add: Fixed charges computed below | | | 1,069 | | | 600 |
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| |
|
Earnings from continued operation before fixed charges | | $ | 4,965 | | $ | 3,061 |
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| |
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Fixed charges | | | | | | |
Interest expenses | | $ | 426 | | $ | 66 |
Amortization of deferred financing costs and debt discount | | | 108 | | | 96 |
Rental interest factor | | | 535 | | | 438 |
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Total fixed charges | | $ | 1,069 | | $ | 600 |
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Preferred Stock Dividends | | $ | — | | $ | — |
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Ratio of earnings to fixed charges | | | 4.64 | | | 5.10 |
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Ratio of earnings to fixed charges and Preferred Stock Dividends | | | 4.64 | | | 5.10 |
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SI International, Inc. and Subsidiaries
Calculation of Ratios of Earnings to Fixed Charges
(Amounts in thousands)
| | Twelve Months Ended
|
---|
| | December 27, 2003
| | December 28, 2002
| | December 29, 2001
| | December 30, 2000
| | January 1, 2000
|
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Earnings from continued operation before fixed charges | | | | | | | | | | | | | | | |
Pre-tax income from continuing operations | | $ | 12,163 | | $ | 3,922 | | $ | (72 | ) | $ | (322 | ) | $ | 382 |
Add: Fixed charges computed below | | | 2,307 | | | 4,888 | | | 4,810 | | | 5,168 | | | 586 |
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| |
| |
| |
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Earnings from continued operation before fixed charges | | $ | 14,470 | | $ | 8,810 | | $ | 4,738 | | $ | 4,846 | | $ | 968 |
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|
Fixed charges | | | | | | | | | | | | | | | |
Interest expenses | | $ | 227 | | $ | 2,129 | | $ | 3,159 | | $ | 3,792 | | $ | 419 |
Amortization of deferred financing costs and debt discount | | | 379 | | | 1,190 | | | 292 | | | 231 | | | 0 |
Rental interest factor | | | 1,701 | | | 1,569 | | | 1,359 | | | 1,145 | | | 167 |
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Total fixed charges | | $ | 2,307 | | $ | 4,888 | | $ | 4,810 | | $ | 5,168 | | $ | 586 |
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Ratio of earnings to fixed charges | | | 6.27 | | | 1.80 | | | 0.99 | | | 0.94 | | | 1.65 |
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2
SI International, Inc. and Subsidiaries
Calculation of Ratios of Earnings to Fixed Charges
and Preferred Stock Dividends
(Amounts in thousands)
| | Twelve Months Ended
|
---|
| | December 27, 2003
| | December 28, 2002
| | December 29, 2001
| | December 30, 2000
| | January 1, 2000
|
---|
Earnings from continued operation before fixed charges | | | | | | | | | | | | | | | |
Pre-tax income from continuing operations | | $ | 12,163 | | $ | 3,922 | | $ | (72 | ) | $ | (322 | ) | $ | 382 |
Add: Fixed charges computed below | | | 2,307 | | | 4,888 | | | 4,810 | | | 5,168 | | | 586 |
| |
| |
| |
| |
| |
|
Earnings from continued operation before fixed charges | | $ | 14,470 | | $ | 8,810 | | $ | 4,738 | | $ | 4,846 | | $ | 968 |
| |
| |
| |
| |
| |
|
Fixed charges | | | | | | | | | | | | | | | |
Interest expenses | | $ | 227 | | $ | 2,129 | | $ | 3,159 | | $ | 3,792 | | $ | 419 |
Amortization of deferred financing costs and debt discount | | | 379 | | | 1,190 | | | 292 | | | 231 | | | 0 |
Rental interest factor | | | 1,701 | | | 1,569 | | | 1,359 | | | 1,145 | | | 167 |
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Total fixed charges | | $ | 2,307 | | $ | 4,888 | | $ | 4,810 | | $ | 5,168 | | $ | 586 |
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Preferred Stock Dividends | | $ | — | | $ | 1,954 | | $ | 2,052 | | $ | 1,505 | | $ | 251 |
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Ratio of earnings to fixed charges and Preferred Stock Dividends | | | 6.27 | | | 1.29 | | | 0.69 | | | 0.73 | | | 1.16 |
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3
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SI International, Inc. and Subsidiaries Calculation of Ratios of Earnings to Fixed Charges and Preferred Stock Dividends (Amounts in thousands)