<TABLE> <S> <C>

<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF UST CORP. FOR THE SIX MONTHS ENDED JUNE 30, 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>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<EXCHANGE-RATE>                                   1.00
<CASH>                                         129,414
<INT-BEARING-DEPOSITS>                             166
<FED-FUNDS-SOLD>                                14,540
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                  1,204,772
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                      4,453,060
<ALLOWANCE>                                     63,654
<TOTAL-ASSETS>                               6,031,579
<DEPOSITS>                                   4,240,811
<SHORT-TERM>                                 1,140,184
<LIABILITIES-OTHER>                             63,381
<LONG-TERM>                                     50,595
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        26,705
<OTHER-SE>                                     508,903
<TOTAL-LIABILITIES-AND-EQUITY>               6,031,579
<INTEREST-LOAN>                                175,907
<INTEREST-INVEST>                               38,284
<INTEREST-OTHER>                                 1,015
<INTEREST-TOTAL>                               215,206
<INTEREST-DEPOSIT>                              55,644
<INTEREST-EXPENSE>                              26,326
<INTEREST-INCOME-NET>                          133,236
<LOAN-LOSSES>                                    2,600
<SECURITIES-GAINS>                                 312
<EXPENSE-OTHER>                                104,388
<INCOME-PRETAX>                                 54,767
<INCOME-PRE-EXTRAORDINARY>                      54,767
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    35,103
<EPS-BASIC>                                      .82
<EPS-DILUTED>                                      .81
<YIELD-ACTUAL>                                    7.74
<LOANS-NON>                                     25,476
<LOANS-PAST>                                     1,470
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                 76,600
<ALLOWANCE-OPEN>                                65,274
<CHARGE-OFFS>                                    6,549
<RECOVERIES>                                     2,329
<ALLOWANCE-CLOSE>                               63,654
<ALLOWANCE-DOMESTIC>                            63,654
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0


</TABLE>