<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE YAHOO!
INC. FORM 10-Q FOR THE PERIOD ENDED SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 522,185
<SECURITIES> 715,338
<RECEIVABLES> 91,344
<ALLOWANCES> 16,848
<INVENTORY> 0
<CURRENT-ASSETS> 1,339,018
<PP&E> 158,167
<DEPRECIATION> 60,069
<TOTAL-ASSETS> 2,309,830
<CURRENT-LIABILITIES> 353,924
<BONDS> 0
0
0
<COMMON> 558
<OTHER-SE> 1,913,471
<TOTAL-LIABILITY-AND-EQUITY> 2,309,830
<SALES> 0
<TOTAL-REVENUES> 799,305
<CGS> 0
<TOTAL-COSTS> 116,105
<OTHER-EXPENSES> 472,842
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 309,737
<INCOME-TAX> 141,142
<INCOME-CONTINUING> 168,595
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 168,595
<EPS-BASIC> 0.31
<EPS-DILUTED> 0.27
</TABLE>