<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q,
FOR THE THREE MONTHS AND NINE MONTHS ENDED SEPTEMBER 30, 2000 AND IS QUALFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 9-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-2000
<PERIOD-START> JUL-01-2000 JAN-01-2000
<PERIOD-END> SEP-30-2000 SEP-30-2000
<CASH> 47,552 47,552
<SECURITIES> 0 0
<RECEIVABLES> 57,425 57,425
<ALLOWANCES> (6,594) (6,594)
<INVENTORY> 0 0
<CURRENT-ASSETS> 49,750 49,750
<PP&E> 4,130,489 4,130,489
<DEPRECIATION> (529,403) (529,403)
<TOTAL-ASSETS> 3,749,219 3,749,219
<CURRENT-LIABILITIES> 263,985 263,985
<BONDS> 2,531,634 2,531,634
0 0
482,000 482,000
<COMMON> 733 733
<OTHER-SE> 470,867 470,867
<TOTAL-LIABILITY-AND-EQUITY> 3,749,219 3,749,219
<SALES> 0 0
<TOTAL-REVENUES> 134,645 392,251
<CGS> 0 0
<TOTAL-COSTS> 79,679 226,810
<OTHER-EXPENSES> 5,133 16,913
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> (46,794) (138,510)
<INCOME-PRETAX> 13,305 43,844
<INCOME-TAX> 0 0
<INCOME-CONTINUING> 13,305 43,844
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 13,305 43,844
<EPS-BASIC> 0.04 0.17
<EPS-DILUTED> 0.04 0.16
</TABLE>