<TABLE> <S> <C>

<ARTICLE>                                            9
<LEGEND>
THIS  SCHEDULE  CONTAINS  SUMMARY  FINANCIAL   INFORMATION  EXTRACTED  FROM  THE
FINANCIAL  STATEMENTS OF UST CORP. AT OR FOR THE NINE MONTHS ENDED SEPTEMBER 30,
1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL  STATEMENTS
OF FORM 10-Q.
</LEGEND>
<MULTIPLIER>                                   1000
<CURRENCY>                                     U.S. Dollars
       
<S>                            <C>
<PERIOD-TYPE>                   9-MOS                     
<FISCAL-YEAR-END>                              DEC-31-1997
<PERIOD-START>                                 JAN-01-1997
<PERIOD-END>                                   SEP-30-1997
<EXCHANGE-RATE>                                       1.00
<CASH>                                              92,013
<INT-BEARING-DEPOSITS>                                 158
<FED-FUNDS-SOLD>                                   129,731
<TRADING-ASSETS>                                         0
<INVESTMENTS-HELD-FOR-SALE>                        712,415
<INVESTMENTS-CARRYING>                                   0
<INVESTMENTS-MARKET>                                     0
<LOANS>                                          2,637,467
<ALLOWANCE>                                         49,969
<TOTAL-ASSETS>                                   3,690,849
<DEPOSITS>                                       2,863,927 
<SHORT-TERM>                                       427,782
<LIABILITIES-OTHER>                                 66,743
<LONG-TERM>                                         18,063
<PREFERRED-MANDATORY>                               17,832
<PREFERRED>                                              0
<COMMON>                                                 0
<OTHER-SE>                                         296,502
<TOTAL-LIABILITIES-AND-EQUITY>                   3,690,849
<INTEREST-LOAN>                                    165,324
<INTEREST-INVEST>                                   34,386
<INTEREST-OTHER>                                     3,728 
<INTEREST-TOTAL>                                   203,438
<INTEREST-DEPOSIT>                                  61,485
<INTEREST-EXPENSE>                                  78,461
<INTEREST-INCOME-NET>                              124,977
<LOAN-LOSSES>                                          600
<SECURITIES-GAINS>                                 (1,151)
<EXPENSE-OTHER>                                    117,014
<INCOME-PRETAX>                                     34,274
<INCOME-PRE-EXTRAORDINARY>                          34,274 
<EXTRAORDINARY>                                          0
<CHANGES>                                                0
<NET-INCOME>                                        19,415
<EPS-PRIMARY>                                          .67
<EPS-DILUTED>                                          .67
<YIELD-ACTUAL>                                        8.15
<LOANS-NON>                                         28,504
<LOANS-PAST>                                         2,047
<LOANS-TROUBLED>                                         0
<LOANS-PROBLEM>                                     37,000
<ALLOWANCE-OPEN>                                    50,204
<CHARGE-OFFS>                                        4,410
<RECOVERIES>                                         3,575
<ALLOWANCE-CLOSE>                                   49,969
<ALLOWANCE-DOMESTIC>                                49,969
<ALLOWANCE-FOREIGN>                                      0
<ALLOWANCE-UNALLOCATED>                              6,964
                                


</TABLE>