<TABLE> <S> <C>

<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF UST CORP. AT OR FOR THE SIX MONTHS ENDED JUNE 30, 1997
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>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<EXCHANGE-RATE>                                   1.00
<CASH>                                         136,146
<INT-BEARING-DEPOSITS>                              58
<FED-FUNDS-SOLD>                               105,142
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                    700,431
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                      2,562,601
<ALLOWANCE>                                     50,155
<TOTAL-ASSETS>                               3,620,054
<DEPOSITS>                                   2,815,310
<SHORT-TERM>                                   438,130
<LIABILITIES-OTHER>                             35,332
<LONG-TERM>                                     28,504
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        17,794
<OTHER-SE>                                     284,984
<TOTAL-LIABILITIES-AND-EQUITY>               3,620,054
<INTEREST-LOAN>                                107,126
<INTEREST-INVEST>                               23,406
<INTEREST-OTHER>                                 2,071
<INTEREST-TOTAL>                               132,603
<INTEREST-DEPOSIT>                              40,421
<INTEREST-EXPENSE>                              51,847
<INTEREST-INCOME-NET>                           80,756
<LOAN-LOSSES>                                        0
<SECURITIES-GAINS>                               (573)
<EXPENSE-OTHER>                                 83,224
<INCOME-PRETAX>                                 15,938
<INCOME-PRE-EXTRAORDINARY>                      15,938
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     8,606
<EPS-PRIMARY>                                      .30
<EPS-DILUTED>                                      .30
<YIELD-ACTUAL>                                    8.07
<LOANS-NON>                                     26,275
<LOANS-PAST>                                       826
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                 37,100
<ALLOWANCE-OPEN>                                50,204
<CHARGE-OFFS>                                    2,836
<RECOVERIES>                                     2,487
<ALLOWANCE-CLOSE>                               50,155
<ALLOWANCE-DOMESTIC>                            50,155
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                          8,441
        

</TABLE>