<TABLE> <S> <C>

<PAGE>
<ARTICLE> 7
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996             DEC-31-1996             DEC-31-1996
<PERIOD-START>                             JAN-01-1996             JAN-01-1996             JAN-01-1996             JAN-01-1996
<PERIOD-END>                               MAR-31-1996             JUN-30-1996             SEP-30-1996             DEC-31-1996
<DEBT-HELD-FOR-SALE>                            20,435                  25,204                  30,247                  35,872
<DEBT-CARRYING-VALUE>                           56,612                  56,064                  54,519                  53,977
<DEBT-MARKET-VALUE>                             57,114                  55,954                  54,464                  54,396
<EQUITIES>                                           0                       0                       0                       0
<MORTGAGE>                                           0                       0                       0                       0
<REAL-ESTATE>                                        0                       0                       0                       0
<TOTAL-INVEST>                                  77,047                  81,268                  84,766                  89,849
<CASH>                                          10,960                  11,937                  13,928                  10,410
<RECOVER-REINSURE>                               7,585                   7,274                   6,795                   6,183
<DEFERRED-ACQUISITION>                           1,210                   1,467                   1,690                   1,624
<TOTAL-ASSETS>                                 109,524                 116,513                 120,790                 123,731
<POLICY-LOSSES>                                 39,487                  42,337                  45,178                  49,256
<UNEARNED-PREMIUMS>                             11,958                  14,510                  14,050                  13,308
<POLICY-OTHER>                                       0                       0                       0                       0
<POLICY-HOLDER-FUNDS>                                0                       0                       0                       0
<NOTES-PAYABLE>                                  8,944                   8,996                   9,049                   6,739
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                        27,854                  28,046                  28,609                  28,610
<OTHER-SE>                                      15,967                  18,351                  20,927                  22,701
<TOTAL-LIABILITY-AND-EQUITY>                   109,524                 116,513                 120,790                 123,731
<PREMIUMS>                                      13,764                  29,108                  46,022                  63,058
<INVESTMENT-INCOME>                              1,288                   2,666                   4,131                   5,667
<INVESTMENT-GAINS>                                   0                       0                       0                       0
<OTHER-INCOME>                                       0                       0                       0                       0
<BENEFITS>                                       7,923                  16,511                  26,625                  39,080
<UNDERWRITING-AMORTIZATION>                      1,355                   3,147                   5,190                   6,327
<UNDERWRITING-OTHER>                             1,844                   3,952                   5,767                   8,510
<INCOME-PRETAX>                                  3,656                   7,616                  11,750                  13,722
<INCOME-TAX>                                     1,373                   2,852                   4,404                   4,740
<INCOME-CONTINUING>                                  0                       0                       0                   8,982
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                     2,283                   4,764                   7,346                   8,982
<EPS-PRIMARY>                                     0.19                    0.41                    0.62                    0.76
<EPS-DILUTED>                                     0.19                    0.39                    0.61                    0.74
<RESERVE-OPEN>                                       0                       0                       0                  37,138
<PROVISION-CURRENT>                                  0                       0                       0                  49,440
<PROVISION-PRIOR>                                    0                       0                       0                (11,051)
<PAYMENTS-CURRENT>                                   0                       0                       0                  16,239
<PAYMENTS-PRIOR>                                     0                       0                       0                  10,032
<RESERVE-CLOSE>                                      0                       0                       0                  49,256
<CUMULATIVE-DEFICIENCY>                              0                       0                       0                   8,075
        

</TABLE>