<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, 1998
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS OF
FORM 10-K.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<EXCHANGE-RATE>                                   1.00
<CASH>                                         126,697
<INT-BEARING-DEPOSITS>                             164
<FED-FUNDS-SOLD>                                 7,969
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                  1,289,617
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                      4,296,103
<ALLOWANCE>                                     65,274
<TOTAL-ASSETS>                               5,900,877
<DEPOSITS>                                   4,233,671
<SHORT-TERM>                                   986,082
<LIABILITIES-OTHER>                             71,536
<LONG-TERM>                                     76,043
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        26,765
<OTHER-SE>                                     506,780
<TOTAL-LIABILITIES-AND-EQUITY>               5,900,877
<INTEREST-LOAN>                                351,753
<INTEREST-INVEST>                               72,982
<INTEREST-OTHER>                                 3,910
<INTEREST-TOTAL>                               428,645
<INTEREST-DEPOSIT>                             130,100
<INTEREST-EXPENSE>                             176,330
<INTEREST-INCOME-NET>                          252,315
<LOAN-LOSSES>                                    2,239
<SECURITIES-GAINS>                               3,927
<EXPENSE-OTHER>                                209,233
<INCOME-PRETAX>                                 89,647
<INCOME-PRE-EXTRAORDINARY>                      89,647
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    55,286
<EPS-PRIMARY>                                     1.30
<EPS-DILUTED>                                     1.28
<YIELD-ACTUAL>                                    8.09
<LOANS-NON>                                     23,967
<LOANS-PAST>                                     2,423
<LOANS-TROUBLED>                                   141
<LOANS-PROBLEM>                                 69,500
<ALLOWANCE-OPEN>                                68,539
<CHARGE-OFFS>                                   14,827
<RECOVERIES>                                     9,376
<ALLOWANCE-CLOSE>                               65,274
<ALLOWANCE-DOMESTIC>                            65,274
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                          3,145
        

</TABLE>