WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000789281
<NAME> Federated Income Securities Trust
<SERIES>
<NUMBER> 021
<NAME> Federated Intermediate Income Fund - Institutional Shares
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> Apr-30-2001
<PERIOD-END> Oct-31-2000
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[AVG-DEBT-OUTSTANDING] 0
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</TABLE>
