<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000828806
<NAME> INVESCO TREASURER'S SERIES FUNDS
<SERIES>
<NUMBER> 1
<NAME> INVESCO TREASURER'S MONEY MARKET RESERVE FUND-INVESTOR CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> MAY-31-2000
<PERIOD-END> MAY-31-2000
<INVESTMENTS-AT-COST> 1253986909
<INVESTMENTS-AT-VALUE> 1253986909
<RECEIVABLES> 9897331
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1263884240
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 78601786
<TOTAL-LIABILITIES> 78601786
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1185282454
<SHARES-COMMON-STOCK> 1185282454
<SHARES-COMMON-PRIOR> 52395867
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 1185282454
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 23889306
<OTHER-INCOME> 0
<EXPENSES-NET> 980636
<NET-INVESTMENT-INCOME> 22908670
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 0
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 22908670
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3534285981
<NUMBER-OF-SHARES-REDEEMED> 2421792486
<SHARES-REINVESTED> 20393092
<NET-CHANGE-IN-ASSETS> 1132886587
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 980636
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 980636
<AVERAGE-NET-ASSETS> 392254277
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.00
</TABLE>
