<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF THE TITAN CORPORATION'S REPORT ON FORM 10-Q FOR THE SIX
MONTH PERIOD ENDED JUNE 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 81,992
<SECURITIES> 0
<RECEIVABLES> 315,460
<ALLOWANCES> 0<F1>
<INVENTORY> 20,671
<CURRENT-ASSETS> 463,788
<PP&E> 149,012
<DEPRECIATION> 81,518
<TOTAL-ASSETS> 906,808
<CURRENT-LIABILITIES> 192,852
<BONDS> 270,125
0
690
<COMMON> 543
<OTHER-SE> 144,683
<TOTAL-LIABILITY-AND-EQUITY> 906,808
<SALES> 476,708
<TOTAL-REVENUES> 476,863
<CGS> 359,187
<TOTAL-COSTS> 359,187
<OTHER-EXPENSES> 136,250
<LOSS-PROVISION> 0<F1>
<INTEREST-EXPENSE> 16,998
<INCOME-PRETAX> (33,600)
<INCOME-TAX> (8,400)
<INCOME-CONTINUING> (22,978)
<DISCONTINUED> 0
<EXTRAORDINARY> (4,744)
<CHANGES> 0
<NET-INCOME> (27,722)
<EPS-BASIC> (0.54)
<EPS-DILUTED> (0.54)
<FN>
<F1>DUE TO THE USE OF CONDENSED FINANCIAL STATEMENTS FOR INTERIM REPORTING, THIS
INFORMATION IS NOT COMPILED ON A QUARTERLY BASIS.
</FN>
</TABLE>