<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND> This schedule contains summary financial information extracted from
SEC Form 10-Q and is qualified in its entirety by reference to such financial
statements.
</LEGEND>
<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> 133,830
<SECURITIES> 0
<RECEIVABLES> 1,265,610<F1>
<ALLOWANCES> 0<F1>
<INVENTORY> 0
<CURRENT-ASSETS> 0<F2>
<PP&E> 12,709,516
<DEPRECIATION> 1,265,610
<TOTAL-ASSETS> 13,826,798
<CURRENT-LIABILITIES> 0<F2>
<BONDS> 8,805,667
0
1,028,300
<COMMON> 3,514,835
<OTHER-SE> (119,050)
<TOTAL-LIABILITY-AND-EQUITY> 13,826,798
<SALES> 0
<TOTAL-REVENUES> 957,915
<CGS> 0
<TOTAL-COSTS> 526,437
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 4,357
<INTEREST-EXPENSE> 314,514
<INCOME-PRETAX> 149,691
<INCOME-TAX> 0
<INCOME-CONTINUING> 149,691
<DISCONTINUED> 0
<EXTRAORDINARY> (440)
<CHANGES> (12,311)
<NET-INCOME> 136,940
<EPS-BASIC> 0.41
<EPS-DILUTED> 0.41
<FN>
<F1> Receivables are stated net of allowances.
<F2> The Registrant does not report using a classified balance sheet.
</FN>
</TABLE>