<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED LAKOTA
TECHNOLOGIES, INC AND FROM SUBSIDIARIES CONSOLIDATED BALANCE SHEET AND
CONSOLIDATED STATEMENTS OF OPERATIONS AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<CASH> 65,413
<SECURITIES> 0
<RECEIVABLES> 18,312
<ALLOWANCES> (1,268)
<INVENTORY> 0
<CURRENT-ASSETS> 99,938
<PP&E> 84,091
<DEPRECIATION> (12,263)
<TOTAL-ASSETS> 228,991
<CURRENT-LIABILITIES> 8,711,493
<BONDS> 0
0
0
<COMMON> 5,662,968
<OTHER-SE> 0
<TOTAL-LIABILITY-AND-EQUITY> 228,991
<SALES> 257,316
<TOTAL-REVENUES> 257,316
<CGS> 159,209
<TOTAL-COSTS> 159,209
<OTHER-EXPENSES> 12,259,189
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 437,042
<INCOME-PRETAX> (12,588,149)
<INCOME-TAX> 0
<INCOME-CONTINUING> (12,588,149)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (12,588,149)
<EPS-BASIC> (.36)
<EPS-DILUTED> (.36)
</TABLE>