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<PAGE> PAGE 2
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<PAGE> PAGE 3
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<PAGE> PAGE 4
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<PAGE> PAGE 5
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<PAGE> PAGE 6
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<PAGE> PAGE 8
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<PAGE> PAGE 9
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<PAGE> PAGE 10
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<PAGE> PAGE 11
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<PAGE> PAGE 12
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<PAGE> PAGE 13
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<PAGE> PAGE 14
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<PAGE> PAGE 15
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<PAGE> PAGE 16
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SIGNATURE IRVING P. DAVID
TITLE CONTROLLER
[ARTICLE] 6
[CIK] 0000943309
[NAME] SMITH BARNEY INSTITUTIONAL CASH MANAGEMENT FUND INC.
[SERIES]
[NUMBER] 1
[NAME] CASH PORTFOLIO, CLASS A
<TABLE>
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] MAY-31-1999
[PERIOD-END] NOV-30-1998
[INVESTMENTS-AT-COST] 1,083,260,890
[INVESTMENTS-AT-VALUE] 1,083,260,890
[RECEIVABLES] 5,352,033
[ASSETS-OTHER] 0
[OTHER-ITEMS-ASSETS] 246,464
[TOTAL-ASSETS] 1,088,859,387
[PAYABLE-FOR-SECURITIES] 0
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 25,786,083
[TOTAL-LIABILITIES] 25,786,083
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 1,063,073,304
[SHARES-COMMON-STOCK] 1,063,067,743
[SHARES-COMMON-PRIOR] 848,376,693
[ACCUMULATED-NII-CURRENT] 0
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] 0
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 0
[NET-ASSETS] 1,063,073,304
[DIVIDEND-INCOME] 24,603,806
[INTEREST-INCOME] 0
[OTHER-INCOME] 0
[EXPENSES-NET] 1,012,799
[NET-INVESTMENT-INCOME] 23,591,007
[REALIZED-GAINS-CURRENT] 0
[APPREC-INCREASE-CURRENT] 0
[NET-CHANGE-FROM-OPS] 23,600,316
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] 23,600,307
[DISTRIBUTIONS-OF-GAINS] 0
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 2,944,451,446
[NUMBER-OF-SHARES-REDEEMED] 2,755,080,814
[SHARES-REINVESTED] 22,920,082
[NET-CHANGE-IN-ASSETS] 212,290,714
[ACCUMULATED-NII-PRIOR] 0
[ACCUMULATED-GAINS-PRIOR] 0
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 1,191,230
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 1,446,726
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[PER-SHARE-NAV-BEGIN] 1.000
[PER-SHARE-NII] 0.027
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[EXPENSE-RATIO] 0.230
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
[ARTICLE] 6
[CIK] 0000943309
[NAME] SMITH BARNEY INSTITUTIONAL CASH MANAGEMENT FUND INC.
[SERIES]
[NUMBER] 1
[NAME] CASH PORTFOLIO, CLASS B
<TABLE>
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] MAY-31-1999
[PERIOD-END] NOV-30-1998
[INVESTMENTS-AT-COST] 1,083,260,890
[INVESTMENTS-AT-VALUE] 1,083,260,890
[RECEIVABLES] 5,352,033
[ASSETS-OTHER] 0
[OTHER-ITEMS-ASSETS] 246,464
[TOTAL-ASSETS] 1,088,859,387
[PAYABLE-FOR-SECURITIES] 0
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 25,786,083
[TOTAL-LIABILITIES] 25,786,083
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 1,063,073,304
[SHARES-COMMON-STOCK] 0
[SHARES-COMMON-PRIOR] 2,400,336
[ACCUMULATED-NII-CURRENT] 0
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] 0
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 0
[NET-ASSETS] 1,063,073,304
[DIVIDEND-INCOME] 24,603,806
[INTEREST-INCOME] 0
[OTHER-INCOME] 0
[EXPENSES-NET] 1,012,799
[NET-INVESTMENT-INCOME] 23,591,007
[REALIZED-GAINS-CURRENT] 0
[APPREC-INCREASE-CURRENT] 0
[NET-CHANGE-FROM-OPS] 23,600,316
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] 0
[DISTRIBUTIONS-OF-GAINS] 0
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 5,000,000
[NUMBER-OF-SHARES-REDEEMED] 7,461,448
[SHARES-REINVESTED] 61,113
[NET-CHANGE-IN-ASSETS] 212,290,714
[ACCUMULATED-NII-PRIOR] 0
[ACCUMULATED-GAINS-PRIOR] 0
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 1,191,230
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 1,446,726
[AVERAGE-NET-ASSETS] 2,300,332
[PER-SHARE-NAV-BEGIN] 1.000
[PER-SHARE-NII] 0.022
[PER-SHARE-GAIN-APPREC] 0
[PER-SHARE-DIVIDEND] 0.022
[PER-SHARE-DISTRIBUTIONS] 0
[RETURNS-OF-CAPITAL] 0
[PER-SHARE-NAV-END] 1.000
[EXPENSE-RATIO] 0.480
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
[ARTICLE] 6
[CIK] 0000943309
[NAME] SMITH BARNEY INSTITUTIONAL CASH MANAGEMENT FUND INC.
[SERIES]
[NUMBER] 2
[NAME] GOVERNMENT PORTFOLIO
<TABLE>
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] MAY-31-1999
[PERIOD-END] NOV-30-1998
[INVESTMENTS-AT-COST] 79,657,477
[INVESTMENTS-AT-VALUE] 79,657,477
[RECEIVABLES] 902
[ASSETS-OTHER] 22,000
[OTHER-ITEMS-ASSETS] 101,218
[TOTAL-ASSETS] 79,781,597
[PAYABLE-FOR-SECURITIES] 0
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 510,203
[TOTAL-LIABILITIES] 510,203
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 79,271,394
[SHARES-COMMON-STOCK] 79,271,394
[SHARES-COMMON-PRIOR] 88,483,581
[ACCUMULATED-NII-CURRENT] 0
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] 0
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 0
[NET-ASSETS] 79,271,394
[DIVIDEND-INCOME] 0
[INTEREST-INCOME] 2,332,517
[OTHER-INCOME] 0
[EXPENSES-NET] 163,735
[NET-INVESTMENT-INCOME] 2,234,155
[REALIZED-GAINS-CURRENT] 3,619
[APPREC-INCREASE-CURRENT] 0
[NET-CHANGE-FROM-OPS] 2,237,774
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] 2,238,487
[DISTRIBUTIONS-OF-GAINS] 0
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 330,512,141
[NUMBER-OF-SHARES-REDEEMED] 342,001,933
[SHARES-REINVESTED] 2,278,318
[NET-CHANGE-IN-ASSETS] 9,211,474
[ACCUMULATED-NII-PRIOR] 0
[ACCUMULATED-GAINS-PRIOR] 0
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 115,535
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 163,735
[AVERAGE-NET-ASSETS] 85,347,846
[PER-SHARE-NAV-BEGIN] 1.000
[PER-SHARE-NII] 0.026
[PER-SHARE-GAIN-APPREC] 0
[PER-SHARE-DIVIDEND] 0.026
[PER-SHARE-DISTRIBUTIONS] 0
[RETURNS-OF-CAPITAL] 0
[PER-SHARE-NAV-END] 1.000
[EXPENSE-RATIO] 0.230
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
[ARTICLE] 6
[CIK] 0000943309
[NAME] SMITH BARNEY INSTITUTIONAL CASH MANAGEMENT FUND INC.
[SERIES]
[NUMBER] 3
[NAME] MUNICIPAL PORTFOLIO
<TABLE>
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] MAY-31-1999
[PERIOD-END] NOV-30-1998
[INVESTMENTS-AT-COST] 92,874,098
[INVESTMENTS-AT-VALUE] 92,874,098
[RECEIVABLES] 569,844
[ASSETS-OTHER] 24,945
[OTHER-ITEMS-ASSETS] 63,064
[TOTAL-ASSETS] 93,531,951
[PAYABLE-FOR-SECURITIES] 0
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 307,240
[TOTAL-LIABILITIES] 307,240
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 93,224,711
[SHARES-COMMON-STOCK] 93,224,711
[SHARES-COMMON-PRIOR] 85,670,946
[ACCUMULATED-NII-CURRENT] 0
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] 0
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 0
[NET-ASSETS] 93,224,711
[DIVIDEND-INCOME] 0
[INTEREST-INCOME] 1,544,549
[OTHER-INCOME] 0
[EXPENSES-NET] 163,043
[NET-INVESTMENT-INCOME] 1,443,687
[REALIZED-GAINS-CURRENT] 981
[APPREC-INCREASE-CURRENT] 0
[NET-CHANGE-FROM-OPS] 1,444,668
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] 1,444,496
[DISTRIBUTIONS-OF-GAINS] 0
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 500,707,780
[NUMBER-OF-SHARES-REDEEMED] 494,619,413
[SHARES-REINVESTED] 1,465,226
[NET-CHANGE-IN-ASSETS] 7,553,765
[ACCUMULATED-NII-PRIOR] 0
[ACCUMULATED-GAINS-PRIOR] 0
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 118,551
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 165,043
[AVERAGE-NET-ASSETS] 87,377,707
[PER-SHARE-NAV-BEGIN] 1.000
[PER-SHARE-NII] 0.016
[PER-SHARE-GAIN-APPREC] 0
[PER-SHARE-DIVIDEND] 0.016
[PER-SHARE-DISTRIBUTIONS] 0
[RETURNS-OF-CAPITAL] 0
[PER-SHARE-NAV-END] 1.000
[EXPENSE-RATIO] 0.230
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>