<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> 5,981
<SECURITIES> 0
<RECEIVABLES> 13,819
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 0
<PP&E> 1,013,486
<DEPRECIATION> 151,817
<TOTAL-ASSETS> 938,505
<CURRENT-LIABILITIES> 0
<BONDS> 670,543
0
0
<COMMON> 265
<OTHER-SE> 228,854
<TOTAL-LIABILITY-AND-EQUITY> 938,505
<SALES> 0
<TOTAL-REVENUES> 69,181
<CGS> 0
<TOTAL-COSTS> 20,144
<OTHER-EXPENSES> 4,661<F1>
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 29,700
<INCOME-PRETAX> 14,676
<INCOME-TAX> 0
<INCOME-CONTINUING> 0
<DISCONTINUED> 0
<EXTRAORDINARY> (1,864)
<CHANGES> 0
<NET-INCOME> 12,812
<EPS-BASIC> 0.48
<EPS-DILUTED> 0.48
<FN>
<F1>Includes depreciation and amortization of $12,783, $971 allocated to minority
interests, $2,631 in G&A costs and $11,724 gain on sale of assets.
</FN>
</TABLE>