<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,
1998 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-31-1997
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<EXCHANGE-RATE>                                   1.00
<CASH>                                         101,754
<INT-BEARING-DEPOSITS>                             160
<FED-FUNDS-SOLD>                                28,821
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                    689,605
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                      2,893,189
<ALLOWANCE>                                     54,060
<TOTAL-ASSETS>                               3,834,855
<DEPOSITS>                                   2,958,078
<SHORT-TERM>                                   433,390
<LIABILITIES-OTHER>                             51,497
<LONG-TERM>                                     41,289
<PREFERRED-MANDATORY>                           18,636
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                     331,965
<TOTAL-LIABILITIES-AND-EQUITY>               3,834,855
<INTEREST-LOAN>                                 62,421
<INTEREST-INVEST>                               10,729
<INTEREST-OTHER>                                   966
<INTEREST-TOTAL>                                74,116
<INTEREST-DEPOSIT>                              20,543
<INTEREST-EXPENSE>                              26,488
<INTEREST-INCOME-NET>                           47,628
<LOAN-LOSSES>                                      975
<SECURITIES-GAINS>                               1,441
<EXPENSE-OTHER>                                 37,157
<INCOME-PRETAX>                                 20,817
<INCOME-PRE-EXTRAORDINARY>                      20,817
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    12,856
<EPS-PRIMARY>                                      .43
<EPS-DILUTED>                                      .42
<YIELD-ACTUAL>                                    8.45
<LOANS-NON>                                     24,640
<LOANS-PAST>                                     1,192
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                 32,500
<ALLOWANCE-OPEN>                                52,230
<CHARGE-OFFS>                                    2,397
<RECOVERIES>                                     3,252
<ALLOWANCE-CLOSE>                               54,060
<ALLOWANCE-DOMESTIC>                            54,060
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                          9,255
        

</TABLE>