Exhibit 12.1
SI International Inc. and Subsidiaries
Calculation of Ratios of Earnings to Fixed Charges and Preferred Stock Dividends
(Amounts in thousands)
| | 9 Months Ended | |
| | September 30, 2006 | | September 24, 2005 | |
| | | | | |
Earnings from continued operation before fixed charges | | | | | |
Pre-tax income from continuing operations | | $ | 23,330 | | $ | 19,566 | |
Add: Fixed charges computed below | | 8,628 | | 6,419 | |
| | | | | |
Earnings from continued operation before fixed charges | | $ | 31,958 | | $ | 25,985 | |
| | | | | |
Fixed charges | | | | | |
Interest expenses | | $ | 4,445 | | $ | 3,933 | |
Amortization of deferred financing costs and debt discount | | 1,750 | | 513 | |
Rental interest factor | | 2,433 | | 1,973 | |
| | | | | |
Total fixed charges | | $ | 8,628 | | $ | 6,419 | |
| | | | | |
Preferred Stock Dividends | | $ | — | | $ | — | |
| | | | | |
Ratio of earnings to fixed charges | | 3.70 | | 4.05 | |
| | | | | |
Ratio of earnings to fixed charges and Preferred Stock Dividends | | 3.70 | | 4.05 | |
SI International, Inc. and Subsidiaries
Calculation of Ratios of earnings to Fixed Charges
(Amounts in thousands)
| | Twelve Months Ended | |
| | December 31, | | December 25, | | December 27, | | December 28, | | December 29, | |
| | 2005 | | 2004 | | 2003 | | 2002 | | 2001 | |
Earnings from continued operation before fixed charges | | | | | | | | | | | |
Pre-tax income from continuing operations | | $ | 27,879 | | $ | 17,975 | | $ | 12,163 | | $ | 3,922 | | $ | (72 | ) |
Add: Fixed charges computed below | | 8,802 | | 4,861 | | 2,307 | | 4,888 | | 4,810 | |
| | | | | | | | | | | |
Earnings from continued operation before fixed charges | | $ | 36,681 | | $ | 22,836 | | $ | 14,470 | | $ | 8,810 | | $ | 4,738 | |
| | | | | | | | | | | |
Fixed charges | | | | | | | | | | | |
Interest expenses | | $ | 5,398 | | $ | 2,344 | | $ | 227 | | $ | 2,129 | | $ | 3,159 | |
Amortization of deferred financing costs and debt discount | | 705 | | 416 | | 379 | | 1,190 | | 292 | |
Rental interest factor | | 2,699 | | 2,101 | | 1,701 | | 1,569 | | 1,359 | |
| | | | | | | | | | | |
Total fixed charges | | $ | 8,802 | | $ | 4,861 | | $ | 2,307 | | $ | 4,888 | | $ | 4,810 | |
| | | | | | | | | | | |
Ratio of earnings to fixed charges | | 4.17 | | 4.70 | | 6.27 | | 1.80 | | 0.99 | |
| | | | | | | | | | | |
SI International, Inc. and Subsidiaries
Calculation of Ratios of earnings to Fixed Charges
and Preferred Stock Dividends
(Amounts in thousands)
| | Twelve Months Ended | |
| | December 31, | | December 25, | | December 27, | | December 28, | | December 29, | |
| | 2005 | | 2004 | | 2003 | | 2002 | | 2001 | |
| | | | | | | | | | | |
Earnings from continued operation before fixed charges | | | | | | | | | | | |
Pre-tax income from continuing operations | | $ | 27,879 | | $ | 17,975 | | $ | 12,163 | | $ | 3,922 | | $ | (72 | ) |
Add: Fixed charges computed below | | 8,802 | | 4,861 | | 2,307 | | 4,888 | | 4,810 | |
| | | | | | | | | | | |
Earnings from continued operation before fixed charges | | $ | 36,681 | | $ | 22,836 | | $ | 14,470 | | $ | 8,810 | | $ | 4,738 | |
| | | | | | | | | | | |
| | | | | | | | | | | |
Fixed charges | | | | | | | | | | | |
Interest expenses | | $ | 5,398 | | $ | 2,344 | | $ | 227 | | $ | 2,129 | | $ | 3,159 | |
Amortization of deferred financing costs and debt discount | | 705 | | 416 | | 379 | | 1,190 | | 292 | |
Rental interest factor | | 2,699 | | 2,101 | | 1,701 | | 1,569 | | 1,359 | |
| | | | | | | | | | | |
Total fixed charges | | $ | 8,802 | | $ | 4,861 | | $ | 2,307 | | $ | 4,888 | | $ | 4,810 | |
| | | | | | | | | | | |
Preferred Stock Dividends | | $ | — | | $ | — | | $ | — | | $ | 1,954 | | $ | 2,052 | |
| | | | | | | | | | | |
Ratio of earnings to fixed charges and Preferred Stock Dividends | | 4.17 | | 4.70 | | 6.27 | | 1.80 | | 0.99 | |
| | | | | | | | | | | |
| | | | | | | | | | | |