<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the LB
Series Fund, Inc. Semi-Annual Report to Shareholders dated June 30, 2000 and
is qualified in its entirety by reference to such Semi-Annual Report.
</LEGEND>
<SERIES>
<NUMBER> 4
<NAME> LB SERIES FUND, INC. - HIGH YIELD PORTFOLIO
</SERIES>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 1,724,217
<INVESTMENTS-AT-VALUE> 1,452,275
<RECEIVABLES> 39,785
<ASSETS-OTHER> 3,726
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1,495,786
<PAYABLE-FOR-SECURITIES> 33,011
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 0
<TOTAL-LIABILITIES> 33,011
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1,739,014
<SHARES-COMMON-STOCK> 174,412
<SHARES-COMMON-PRIOR> 167,816
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (4,297)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (271,942)
<NET-ASSETS> 1,462,775
<DIVIDEND-INCOME> 7,731
<INTEREST-INCOME> 79,742
<OTHER-INCOME> 0
<EXPENSES-NET> 3,000
<NET-INVESTMENT-INCOME> 84,473
<REALIZED-GAINS-CURRENT> 11,242
<APPREC-INCREASE-CURRENT> (131,788)
<NET-CHANGE-FROM-OPS> (36,073)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 84,473
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,797
<NUMBER-OF-SHARES-REDEEMED> 5,770
<SHARES-REINVESTED> 9,569
<NET-CHANGE-IN-ASSETS> (62,962)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (15,539)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,000
<AVERAGE-NET-ASSETS> 1,508,007
<PER-SHARE-NAV-BEGIN> 9.09
<PER-SHARE-NII> 0.50
<PER-SHARE-GAIN-APPREC> (0.70)
<PER-SHARE-DIVIDEND> 0.50
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.39
<EXPENSE-RATIO> 0.40
</TABLE>
