<TABLE> <S> <C>

<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF UST CORP. FOR THE THREE MONTHS ENDED MARCH 31, 1999 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS OF FORM
10-Q.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U. S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<EXCHANGE-RATE>                                      1
<CASH>                                         112,438
<INT-BEARING-DEPOSITS>                             165
<FED-FUNDS-SOLD>                                58,274
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                  1,254,077
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                      4,345,445
<ALLOWANCE>                                     63,840
<TOTAL-ASSETS>                               5,929,827
<DEPOSITS>                                   4,207,158
<SHORT-TERM>                                 1,071,881
<LIABILITIES-OTHER>                             61,136
<LONG-TERM>                                     54,500
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        26,705
<OTHER-SE>                                     508,447
<TOTAL-LIABILITIES-AND-EQUITY>               5,929,827
<INTEREST-LOAN>                                 87,423
<INTEREST-INVEST>                               19,606
<INTEREST-OTHER>                                   779
<INTEREST-TOTAL>                               107,808
<INTEREST-DEPOSIT>                              28,102
<INTEREST-EXPENSE>                              13,154
<INTEREST-INCOME-NET>                           66,552
<LOAN-LOSSES>                                    1,200
<SECURITIES-GAINS>                                 154
<EXPENSE-OTHER>                                 52,270
<INCOME-PRETAX>                                 26,489
<INCOME-PRE-EXTRAORDINARY>                      26,489
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    17,265
<EPS-PRIMARY>                                      .40
<EPS-DILUTED>                                      .40
<YIELD-ACTUAL>                                    7.80
<LOANS-NON>                                     23,970
<LOANS-PAST>                                     2,998
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                 63,600
<ALLOWANCE-OPEN>                                65,274
<CHARGE-OFFS>                                    3,662
<RECOVERIES>                                     1,028
<ALLOWANCE-CLOSE>                               63,840
<ALLOWANCE-DOMESTIC>                            63,840
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                          2,121
        

</TABLE>