<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
BALANCE SHEETS AS OF JUNE 30, 1999 AND DECEMBER 31, 1998 AND CONSOLIDATED
STATEMENTS OF INCOME FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 1999 AND 1998.
</LEGEND>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>                     <C>                     <C>
<C>
<PERIOD-TYPE>                   3-MOS                   3-MOS                   6-MOS                   6-MOS
YEAR
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1998             DEC-31-1999             DEC-31-1998
             DEC-31-1998
<PERIOD-START>                             APR-01-1999             APR-01-1998             JAN-01-1999             JAN-01-1998
             DEC-31-1998
<PERIOD-END>                               JUN-30-1999             JUN-30-1998             JUN-30-1999             JUN-30-1998
             DEC-31-1999
<CASH>                                           2,500                       0                       0                       0
                   1,891
<SECURITIES>                                         0                       0                       0                       0
                       0
<RECEIVABLES>                                    1,060                       0                       0                       0
                   1,030
<ALLOWANCES>                                         0                       0                       0                       0
                       0
<INVENTORY>                                          0                       0                       0                       0
                       0
<CURRENT-ASSETS>                                     0<F1>                   0                       0                       0
                       0<F1>
<PP&E>                                         364,343                       0                       0                       0
                 349,195
<DEPRECIATION>                                  33,662                       0                       0                       0
                  25,695
<TOTAL-ASSETS>                                 419,489                       0                       0                       0
                 419,489
<CURRENT-LIABILITIES>                           12,629<F2>                   0                       0                       0
                  15,190<F2>
<BONDS>                                        204,440                       0                       0                       0
                 210,634
<PREFERRED-MANDATORY>                                0                       0                       0                       0
                       0
<PREFERRED>                                     20,000                       0                       0                       0
                       0
<COMMON>                                            77                       0                       0                       0
                      76
<OTHER-SE>                                     107,368                       0                       0                       0
                 109,571
<TOTAL-LIABILITY-AND-EQUITY>                   127,445                       0                       0                       0
                 109,647
<SALES>                                              0                       0                       0                       0
                       0
<TOTAL-REVENUES>                                13,720                  10,448                  27,045                  19,368
                       0
<CGS>                                                0                       0                       0                       0
                       0
<TOTAL-COSTS>                                    5,207                   3,756                  10,729                   6,733
                       0
<OTHER-EXPENSES>                                 (240)<F3>                 279                   (373)                     207
                       0
<LOSS-PROVISION>                                     0                       0                       0                       0
                       0
<INTEREST-EXPENSE>                               3,830                   2,006                   7,508                   2,922
                       0
<INCOME-PRETAX>                                  2,917                   2,639                   5,631                   5,720
                       0
<INCOME-TAX>                                         0                       0                       0                       0
                       0
<INCOME-CONTINUING>                              2,917                   2,639                   5,631                   5,720
                       0
<DISCONTINUED>                                       0                       0                       0                       0
                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
                       0
<CHANGES>                                            0                       0                       0                       0
                       0
<NET-INCOME>                                     2,917                   2,639                   5,631                   5,720
                       0
<EPS-BASIC>                                        .38                     .35                     .73                     .75
                       0
<EPS-DILUTED>                                      .38                     .33                     .73                     .73
                       0
<FN>
<F1>AS A REIT, WE DO HAVE A CLASSIFIED BALANCE SHEET.
<F2>AS A REIT, WE DO HAVE A CLASSIFIED BALANCE SHEET.
<F3>INTEREST INCOME AND LOSS OR DISPOSAL OF ASSETS.
</FN>


</TABLE>