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<PAGE> PAGE 2
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<PAGE> PAGE 4
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<PAGE> PAGE 6
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<PAGE> PAGE 9
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SIGNATURE JOHN J. ARTHUR
TITLE SR. VP & TREASURER
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the STIT
Treasury TaxAdvantage Portfolio Institutional Class February 28, 1998
semiannual report.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT-TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 7
<NAME> STIT TREASURY TAXADVANTAGE PORTFOLIO INSTITUTIONAL CLASS
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<TABLE> <S> <C>
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<LEGEND>
This schedule contains summary financial information from the STIT
Treasury TaxAdvantage Portfolio Private Investment Class February
28, 1998 semiannual report.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT-TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 7
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</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the STIT
Treasury Portfolio Cash Management Class February 28, 1998 semiannual
report.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT-TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 2
<NAME> STIT TREASURY PORTFOLIO CASH MANAGEMENT CLASS
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<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.02)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.17
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the STIT
Treasury Portfolio Institutional Class February 28, 1998 semiannual report.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT-TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 2
<NAME> STIT TREASURY PORTFOLIO INSTITUTIONAL CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> AUG-31-1998
<PERIOD-END> FEB-28-1998
<INVESTMENTS-AT-COST> 5098803274
<INVESTMENTS-AT-VALUE> 5098803274
<RECEIVABLES> 8053246
<ASSETS-OTHER> 204818
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5107061338
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 219839993
<TOTAL-LIABILITIES> 219839993
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4886517094
<SHARES-COMMON-STOCK> 4886517094
<SHARES-COMMON-PRIOR> 5259983781
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 704251
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 4887221345
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 141476914
<OTHER-INCOME> 0
<EXPENSES-NET> (4237635)
<NET-INVESTMENT-INCOME> 137239279
<REALIZED-GAINS-CURRENT> (100473)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 137138806
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (137239279)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 16049870969
<NUMBER-OF-SHARES-REDEEMED> (16464708388)
<SHARES-REINVESTED> 41370732
<NET-CHANGE-IN-ASSETS> (373567160)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 804724
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1471154
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5262564
<AVERAGE-NET-ASSETS> 3152922418
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.03)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.08
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the STIT
Treasury Portfolio Personal Investment Class February 28, 1998
semiannual report.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT-TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 2
<NAME> STIT TREASURY PORTFOLIO PERSONAL CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> AUG-31-1998
<PERIOD-END> FEB-28-1998
<INVESTMENTS-AT-COST> 5098803274
<INVESTMENTS-AT-VALUE> 5098803274
<RECEIVABLES> 8053246
<ASSETS-OTHER> 204818
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5107061338
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 219839993
<TOTAL-LIABILITIES> 219839993
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4886517094
<SHARES-COMMON-STOCK> 4886517094
<SHARES-COMMON-PRIOR> 5259983781
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 704251
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 4887221345
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 141476914
<OTHER-INCOME> 0
<EXPENSES-NET> (4237635)
<NET-INVESTMENT-INCOME> 137239279
<REALIZED-GAINS-CURRENT> (100473)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 137138806
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (137239279)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 16049870969
<NUMBER-OF-SHARES-REDEEMED> (16464708388)
<SHARES-REINVESTED> 41370732
<NET-CHANGE-IN-ASSETS> (373567160)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 804724
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1471154
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5262564
<AVERAGE-NET-ASSETS> 351183888
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.02
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.02)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.57
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the STIT
Treasury Portfolio Private Investment Class February 28, 1998
semiannual report.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT-TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 2
<NAME> STIT TREASURY PORTFOLIO PRIVATE CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> AUG-31-1998
<PERIOD-END> FEB-28-1998
<INVESTMENTS-AT-COST> 5098803274
<INVESTMENTS-AT-VALUE> 5098803274
<RECEIVABLES> 8053246
<ASSETS-OTHER> 204818
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5107061338
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 219839993
<TOTAL-LIABILITIES> 219839993
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4886517094
<SHARES-COMMON-STOCK> 4886517094
<SHARES-COMMON-PRIOR> 5259983781
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 704251
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 4887221345
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 141476914
<OTHER-INCOME> 0
<EXPENSES-NET> (4237635)
<NET-INVESTMENT-INCOME> 137239279
<REALIZED-GAINS-CURRENT> (100473)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 137138806
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (137239279)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 16049870969
<NUMBER-OF-SHARES-REDEEMED> (16464708388)
<SHARES-REINVESTED> 41370732
<NET-CHANGE-IN-ASSETS> (373567160)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 804724
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1471154
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5262564
<AVERAGE-NET-ASSETS> 451051209
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.03)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.38
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the STIT
Treasury Portfolio Resource Class February 28, 1998 semiannual report.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT-TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 2
<NAME> STIT TREASURY PORTFOLIO RESOURCE CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> AUG-31-1998
<PERIOD-END> FEB-28-1998
<INVESTMENTS-AT-COST> 5098803274
<INVESTMENTS-AT-VALUE> 5098803274
<RECEIVABLES> 8053246
<ASSETS-OTHER> 204818
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5107061338
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 219839993
<TOTAL-LIABILITIES> 219839993
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4886517094
<SHARES-COMMON-STOCK> 4886517094
<SHARES-COMMON-PRIOR> 5259983781
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 704251
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 4887221345
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 141476914
<OTHER-INCOME> 0
<EXPENSES-NET> (4237635)
<NET-INVESTMENT-INCOME> 137239279
<REALIZED-GAINS-CURRENT> (100473)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 137138806
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (137239279)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 16049870969
<NUMBER-OF-SHARES-REDEEMED> (16464708388)
<SHARES-REINVESTED> 41370732
<NET-CHANGE-IN-ASSETS> (373567160)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 804725
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1471154
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5262564
<AVERAGE-NET-ASSETS> 295693319
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.03)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.24
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
