<ARTICLE> 9 <CIK> 0000007789 <NAME> ASSOCIATED BANC-CORP <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-END> MAR-31-2000 <CASH> 289,243 <INT-BEARING-DEPOSITS> 4,550 <FED-FUNDS-SOLD> 83,285 <TRADING-ASSETS> 0 <INVESTMENTS-HELD-FOR-SALE> 2,786,209 <INVESTMENTS-CARRYING> 406,227 <INVESTMENTS-MARKET> 401,951 <LOANS> 8,589,984 <ALLOWANCE> (116,297) <TOTAL-ASSETS> 12,734,620 <DEPOSITS> 9,197,784 <SHORT-TERM> 2,381,852 <LIABILITIES-OTHER> 111,362 <LONG-TERM> 122,834 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 634 <OTHER-SE> 920,154 <TOTAL-LIABILITIES-AND-EQUITY> 12,734,620 <INTEREST-LOAN> 172,239 <INTEREST-INVEST> 49,918 <INTEREST-OTHER> 616 <INTEREST-TOTAL> 222,773 <INTEREST-DEPOSIT> 81,558 <INTEREST-EXPENSE> 124,424 <INTEREST-INCOME-NET> 98,349 <LOAN-LOSSES> 5,715 <SECURITIES-GAINS> (1,702) <EXPENSE-OTHER> 18,522 <INCOME-PRETAX> 59,967 <INCOME-PRE-EXTRAORDINARY> 59,967 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 43,081 <EPS-BASIC> 0.68 <EPS-DILUTED> 0.68 <YIELD-ACTUAL> 7.66 <LOANS-NON> 32,716 <LOANS-PAST> 4,615 <LOANS-TROUBLED> 10 <LOANS-PROBLEM> 94,000 <ALLOWANCE-OPEN> 113,196 <CHARGE-OFFS> 3,296 <RECOVERIES> 682 <ALLOWANCE-CLOSE> 116,297 <ALLOWANCE-DOMESTIC> 116,297 <ALLOWANCE-FOREIGN> 0 <ALLOWANCE-UNALLOCATED> 0