<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000732697
<NAME> Ultra Series Fund
<SERIES>
<NUMBER> 2
<NAME> Treasury 2000 Fund
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-1-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 1787761
<INVESTMENTS-AT-VALUE> 1959038
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<OTHER-ITEMS-LIABILITIES> 4706
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<SHARES-COMMON-PRIOR> 185786
<ACCUMULATED-NII-CURRENT> 52654
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<ACCUMULATED-NET-GAINS> 0
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<NET-INVESTMENT-INCOME> 52654
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<NET-CHANGE-FROM-OPS> 53192
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<ACCUMULATED-NII-PRIOR> 0
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<PER-SHARE-NAV-BEGIN> 10.23
<PER-SHARE-NII> .29
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<PER-SHARE-NAV-END> 10.52
<EXPENSE-RATIO> .45
</TABLE>
