<TABLE> <S> <C>

<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF UST CORP. AT OR FOR THE YEAR ENDED DECEMBER 31, 1997
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS OF
FORM 10-K.
</LEGEND>
<CURRENCY> U.S. CURRENCY

<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<EXCHANGE-RATE>                                   1.00
<CASH>                                          95,542
<INT-BEARING-DEPOSITS>                             160
<FED-FUNDS-SOLD>                                67,851
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                    722,432
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                      2,835,982
<ALLOWANCE>                                     52,230
<TOTAL-ASSETS>                               3,838,258
<DEPOSITS>                                   2,978,215
<SHORT-TERM>                                   421,313
<LIABILITIES-OTHER>                             49,266
<LONG-TERM>                                     49,338
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        18,601
<OTHER-SE>                                     321,525
<TOTAL-LIABILITIES-AND-EQUITY>               3,838,258
<INTEREST-LOAN>                                234,972
<INTEREST-INVEST>                               45,466
<INTEREST-OTHER>                                 4,775
<INTEREST-TOTAL>                               285,213
<INTEREST-DEPOSIT>                              82,666
<INTEREST-EXPENSE>                             110,008
<INTEREST-INCOME-NET>                          175,205
<LOAN-LOSSES>                                      900
<SECURITIES-GAINS>                             (1,491)
<EXPENSE-OTHER>                                157,082
<INCOME-PRETAX>                                 55,246
<INCOME-PRE-EXTRAORDINARY>                      55,246
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    32,393
<EPS-PRIMARY>                                     1.09
<EPS-DILUTED>                                     1.08
<YIELD-ACTUAL>                                    8.29
<LOANS-NON>                                     25,518
<LOANS-PAST>                                     1,069
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                 40,100
<ALLOWANCE-OPEN>                                51,984
<CHARGE-OFFS>                                    6,746
<RECOVERIES>                                     6,092
<ALLOWANCE-CLOSE>                               52,230
<ALLOWANCE-DOMESTIC>                            52,230
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                          7,258


</TABLE>