<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 589
<SECURITIES> 0
<RECEIVABLES> 54,028
<ALLOWANCES> 824
<INVENTORY> 0
<CURRENT-ASSETS> 0
<PP&E> 974,843
<DEPRECIATION> 160,828
<TOTAL-ASSETS> 1,093,981
<CURRENT-LIABILITIES> 0
<BONDS> 924,773
0
0
<COMMON> 33
<OTHER-SE> (37,385)
<TOTAL-LIABILITY-AND-EQUITY> 1,093,981
<SALES> 198,865
<TOTAL-REVENUES> 198,865
<CGS> 94,210
<TOTAL-COSTS> 94,210
<OTHER-EXPENSES> 48,414
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 44,254
<INCOME-PRETAX> 11,987
<INCOME-TAX> 5,747
<INCOME-CONTINUING> 6,240
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 6,240
<EPS-BASIC> 1.88
<EPS-DILUTED> 1.88
</TABLE>