<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, 1996,
WHICH HAVE BEEN RESTATED TO REFLECT THE ACQUISITIONS OF WALDEN BANCORP, INC.
AND FIRESTONE FINANCIAL CORP. AS POOLINGS OF INTERESTS, AND THE ADOPTION OF
SFAS NO. 128 "EARNINGS PER SHARE".
</LEGEND>
<RESTATED>
<CURRENCY> U.S. DOLLARS
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<EXCHANGE-RATE>                                   1.00
<CASH>                                         140,206
<INT-BEARING-DEPOSITS>                              57
<FED-FUNDS-SOLD>                               142,901
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                    681,803
<INVESTMENTS-CARRYING>                         145,564
<INVESTMENTS-MARKET>                           144,095
<LOANS>                                      2,535,246
<ALLOWANCE>                                     51,984
<TOTAL-ASSETS>                               3,781,055
<DEPOSITS>                                   2,856,157
<SHORT-TERM>                                   441,607
<LIABILITIES-OTHER>                             66,966
<LONG-TERM>                                    107,304
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        18,328
<OTHER-SE>                                     290,693
<TOTAL-LIABILITIES-AND-EQUITY>               3,781,055
<INTEREST-LOAN>                                187,802
<INTEREST-INVEST>                               53,188
<INTEREST-OTHER>                                 2,223
<INTEREST-TOTAL>                               243,213
<INTEREST-DEPOSIT>                              71,684
<INTEREST-EXPENSE>                             102,127
<INTEREST-INCOME-NET>                          141,086
<LOAN-LOSSES>                                  (17,300)
<SECURITIES-GAINS>                               1,179
<EXPENSE-OTHER>                                124,669
<INCOME-PRETAX>                                 73,658
<INCOME-PRE-EXTRAORDINARY>                      73,658
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    45,277
<EPS-PRIMARY>                                     1.56
<EPS-DILUTED>                                     1.53
<YIELD-ACTUAL>                                    8.12
<LOANS-NON>                                     34,209
<LOANS-PAST>                                       998
<LOANS-TROUBLED>                                 1,264
<LOANS-PROBLEM>                                 34,300
<ALLOWANCE-OPEN>                                69,982
<CHARGE-OFFS>                                    8,149
<RECOVERIES>                                     9,555
<ALLOWANCE-CLOSE>                               51,984
<ALLOWANCE-DOMESTIC>                            51,984
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                         12,557


</TABLE>