<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
FOR MILLER EXPLORATION COMPANY AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANICAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 6-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-2000
<PERIOD-START> APR-01-2000 JAN-01-2000
<PERIOD-END> JUN-30-2000 JUN-30-2000
<CASH> 388 388
<SECURITIES> 0 0
<RECEIVABLES> 5,398 5,398
<ALLOWANCES> 0 0
<INVENTORY> 210 210
<CURRENT-ASSETS> 6,655 6,655
<PP&E> 139,701 139,701
<DEPRECIATION> 87,418 87,418
<TOTAL-ASSETS> 59,743 59,743
<CURRENT-LIABILITIES> 16,792 16,792
<BONDS> 0 0
0 0
0 0
<COMMON> 127 127
<OTHER-SE> 24,012 24,012
<TOTAL-LIABILITY-AND-EQUITY> 59,743 59,743
<SALES> 6,346 11,856
<TOTAL-REVENUES> 6,469 12,192
<CGS> 0 0
<TOTAL-COSTS> 5,605 11,143
<OTHER-EXPENSES> 0 0
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 818 1,667
<INCOME-PRETAX> 46 (618)
<INCOME-TAX> 16 (210)
<INCOME-CONTINUING> 30 (408)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 30 (408)
<EPS-BASIC> 0.00 (0.03)
<EPS-DILUTED> 0.00 (0.03)
</TABLE>