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<PAGE> PAGE 2
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<PAGE> PAGE 14
SIGNATURE JOHN J. ARTHUR
TITLE SR VP & TREASURER
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
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<NUMBER-OF-SHARES-SOLD> 33780737508
<NUMBER-OF-SHARES-REDEEMED> (33989935426)
<SHARES-REINVESTED> 92625690
<NET-CHANGE-IN-ASSETS> (116554341)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 804724
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3026608
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10715022
<AVERAGE-NET-ASSETS> 3112551185
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.05)
<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 Private Shares August 31, 1998 annual report.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 2
<NAME> STIT TREASURY PORTFOLIO PRIVATE SHARES
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1998
<PERIOD-END> AUG-31-1998
<INVESTMENTS-AT-COST> 5117024361
<INVESTMENTS-AT-VALUE> 5117024361
<RECEIVABLES> 54017966
<ASSETS-OTHER> 151203
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5171193530
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 26959366
<TOTAL-LIABILITIES> 26959366
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5143411553
<SHARES-COMMON-STOCK> 5143411553
<SHARES-COMMON-PRIOR> 5259983781
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 822611
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 5144234164
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 291070704
<OTHER-INCOME> 0
<EXPENSES-NET> (8705300)
<NET-INVESTMENT-INCOME> 282365404
<REALIZED-GAINS-CURRENT> 17887
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 282383291
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (282365404)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 33780737508
<NUMBER-OF-SHARES-REDEEMED> (33989935426)
<SHARES-REINVESTED> 92625690
<NET-CHANGE-IN-ASSETS> (116554341)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 804724
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3026608
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10715022
<AVERAGE-NET-ASSETS> 386535328
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.05)
<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>
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 Shares August 31, 1998 annual report.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 2
<NAME> STIT TREASURY PORTFOLIO PERSONAL SHARES
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1998
<PERIOD-END> AUG-31-1998
<INVESTMENTS-AT-COST> 5117024361
<INVESTMENTS-AT-VALUE> 5117024361
<RECEIVABLES> 54017966
<ASSETS-OTHER> 151203
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5171193530
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 26959366
<TOTAL-LIABILITIES> 26959366
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5143411553
<SHARES-COMMON-STOCK> 5143411553
<SHARES-COMMON-PRIOR> 5259983781
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 822611
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 5144234164
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 291070704
<OTHER-INCOME> 0
<EXPENSES-NET> (8705300)
<NET-INVESTMENT-INCOME> 282365404
<REALIZED-GAINS-CURRENT> 17887
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 282383291
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (282365404)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 33780737508
<NUMBER-OF-SHARES-REDEEMED> (33989935426)
<SHARES-REINVESTED> 92625690
<NET-CHANGE-IN-ASSETS> (116554341)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 804724
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3026608
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10715022
<AVERAGE-NET-ASSETS> 360746624
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.05)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.58
<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 Cash Management Shares August 31, 1998 annual report.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 2
<NAME> STIT TREASURY PORTFOLIO CASH MANAGEMENT SHARES
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1998
<PERIOD-END> AUG-31-1998
<INVESTMENTS-AT-COST> 5117024361
<INVESTMENTS-AT-VALUE> 5117024361
<RECEIVABLES> 54017966
<ASSETS-OTHER> 151203
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5171193530
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 26959366
<TOTAL-LIABILITIES> 26959366
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5143411553
<SHARES-COMMON-STOCK> 5143411553
<SHARES-COMMON-PRIOR> 5259983781
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 822611
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 5144234164
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 291070704
<OTHER-INCOME> 0
<EXPENSES-NET> (8705300)
<NET-INVESTMENT-INCOME> 282365404
<REALIZED-GAINS-CURRENT> 17887
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 282383291
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (282365404)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 33780737508
<NUMBER-OF-SHARES-REDEEMED> (33989935426)
<SHARES-REINVESTED> 92625690
<NET-CHANGE-IN-ASSETS> (116554341)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 804724
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3026608
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10715022
<AVERAGE-NET-ASSETS> 1032845745
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.05)
<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>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information from the STIT
Treasury Portfolio Resource Shares August 31, 1998 annual report.
</LEGEND>
<CIK> 0000205007
<NAME> SHORT TERM INVESTMENTS TRUST
<SERIES>
<NUMBER> 2
<NAME> STIT TREASURY PORTFOLIO RESOURCE SHARES
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-1998
<PERIOD-END> AUG-31-1998
<INVESTMENTS-AT-COST> 5117024361
<INVESTMENTS-AT-VALUE> 5117024361
<RECEIVABLES> 54017966
<ASSETS-OTHER> 151203
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5171193530
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 26959366
<TOTAL-LIABILITIES> 26959366
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5143411553
<SHARES-COMMON-STOCK> 5143411553
<SHARES-COMMON-PRIOR> 5259983781
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 822611
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 5144234164
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 291070704
<OTHER-INCOME> 0
<EXPENSES-NET> (8705300)
<NET-INVESTMENT-INCOME> 282365404
<REALIZED-GAINS-CURRENT> 17887
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 282383291
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (282365404)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 33780737508
<NUMBER-OF-SHARES-REDEEMED> (33989935426)
<SHARES-REINVESTED> 92625690
<NET-CHANGE-IN-ASSETS> (116554341)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 804724
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3026608
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10715022
<AVERAGE-NET-ASSETS> 320537856
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.05)
<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>
