<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS RESTATED SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
TELETECH HOLDINGS, INC.'S SEPTEMBER 30, 1999 FORM 10-Q AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FORM 10-Q FILING.
</LEGEND>
<RESTATED>
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> SEP-30-1999
<CASH> 21,775
<SECURITIES> 37,296
<RECEIVABLES> 90,659
<ALLOWANCES> 3,448
<INVENTORY> 0
<CURRENT-ASSETS> 154,834
<PP&E> 160,750
<DEPRECIATION> 57,370
<TOTAL-ASSETS> 294,939
<CURRENT-LIABILITIES> 70,886
<BONDS> 26,148
0
0
<COMMON> 631
<OTHER-SE> 195,947
<TOTAL-LIABILITY-AND-EQUITY> 294,939
<SALES> 383,567
<TOTAL-REVENUES> 383,567
<CGS> 256,576
<TOTAL-COSTS> 352,152
<OTHER-EXPENSES> (8,764)
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 1,690
<INCOME-PRETAX> 38,489
<INCOME-TAX> 15,257
<INCOME-CONTINUING> 23,232
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 23,232
<EPS-BASIC> 0.36
<EPS-DILUTED> 0.35
</TABLE>