<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<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> 1,955
<SECURITIES> 0
<RECEIVABLES> 9,348
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 1,215
<PP&E> 420,103
<DEPRECIATION> 30,173
<TOTAL-ASSETS> 420,104
<CURRENT-LIABILITIES> 13,396
<BONDS> 122,083
100,000
0
<COMMON> 152
<OTHER-SE> 170,523
<TOTAL-LIABILITY-AND-EQUITY> 420,104
<SALES> 27,696
<TOTAL-REVENUES> 28,099
<CGS> 11,216
<TOTAL-COSTS> 14,337
<OTHER-EXPENSES> 100
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 1,675
<INCOME-PRETAX> 11,987
<INCOME-TAX> 4,675
<INCOME-CONTINUING> 7,312
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 6,520<F1>
<EPS-BASIC> .44
<EPS-DILUTED> .41
<FN>
<F1>NET INCOME ATTRIBUTABLE TO COMMON STOCK
</FN>
</TABLE>