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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 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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<PAGE> PAGE 17
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<PAGE> PAGE 18
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<PAGE> PAGE 19
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<PAGE> PAGE 20
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<PAGE> PAGE 21
073 A010400 0.5280
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075 B000400 73439
076 000400 0.00
008 A000501 AMERICAN UNITED LIFE INSURANCE COMPANY
008 B000501 A
008 C000501 801-8074
008 D010501 INDIANAPOLIS
008 D020501 IN
008 D030501 46282
008 A000502 DEAN INVESTMENT ASSOCIATES
008 B000502 S
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008 D010502 DAYTON
008 D020502 OH
008 D030502 45423
008 D040502 2480
028 A010500 12
<PAGE> PAGE 22
028 A020500 0
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028 B010500 17
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<PAGE> PAGE 23
048 J020500 0.000
048 K010500 0
048 K020500 0.000
049 000500 N
050 000500 N
051 000500 N
052 000500 N
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062 F000500 0.0
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062 O000500 0.0
062 P000500 0.0
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062 R000500 0.0
066 A000500 Y
066 B000500 N
066 C000500 N
066 D000500 Y
066 E000500 N
066 F000500 N
066 G000500 N
067 000500 Y
068 A000500 N
068 B000500 N
069 000500 N
070 A010500 Y
070 A020500 N
070 B010500 Y
070 B020500 N
070 C010500 Y
070 C020500 N
070 D010500 Y
070 D020500 N
070 E010500 Y
070 E020500 N
070 F010500 Y
070 F020500 N
<PAGE> PAGE 24
070 G010500 N
070 G020500 N
070 H010500 N
070 H020500 N
070 I010500 N
070 I020500 N
070 J010500 Y
070 J020500 N
070 K010500 Y
070 K020500 Y
070 L010500 Y
070 L020500 Y
070 M010500 Y
070 M020500 N
070 N010500 Y
070 N020500 N
070 O010500 Y
070 O020500 N
070 P010500 N
070 P020500 N
070 Q010500 N
070 Q020500 N
070 R010500 N
070 R020500 N
071 A000500 4300
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<PAGE> PAGE 25
072 X000500 61
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074 E000500 100
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074 M000500 3
074 N000500 5258
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074 S000500 0
074 T000500 5155
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074 V020500 0.00
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076 000500 0.00
008 A000601 AMERICAN UNITED LIFE INSURANCE COMPANY
008 B000601 A
008 C000601 801-8074
008 D010601 INDIANAPOLIS
<PAGE> PAGE 26
008 D020601 IN
008 D030601 46282
008 A000602 CREDIT SUISSE ASSET MANAGEMENT
008 B000602 S
008 C000602 801-05850
008 D010602 NEW YORK
008 D020602 NY
008 D030602 10022
028 A010600 91
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045 000600 Y
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<PAGE> PAGE 27
048 F010600 0
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048 J010600 0
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048 K020600 0.000
049 000600 N
050 000600 N
051 000600 N
052 000600 N
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062 A000600 N
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062 C000600 0.0
062 D000600 0.0
062 E000600 0.0
062 F000600 0.0
062 G000600 0.0
062 H000600 0.0
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062 J000600 0.0
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066 A000600 Y
066 B000600 N
066 C000600 N
066 D000600 N
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066 F000600 N
066 G000600 N
067 000600 Y
068 A000600 N
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069 000600 N
070 A010600 Y
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<PAGE> PAGE 28
070 B020600 N
070 C010600 Y
070 C020600 N
070 D010600 Y
070 D020600 N
070 E010600 Y
070 E020600 N
070 F010600 Y
070 F020600 N
070 G010600 N
070 G020600 N
070 H010600 N
070 H020600 N
070 I010600 N
070 I020600 N
070 J010600 Y
070 J020600 N
070 K010600 Y
070 K020600 Y
070 L010600 Y
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070 M020600 Y
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070 N020600 N
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070 O020600 N
070 P010600 N
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070 Q020600 N
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<PAGE> PAGE 29
072 O000600 0
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<PAGE> PAGE 30
074 X000600 4
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008 A000701 AMERICAN UNITED LIFE INSURANCE COMPANY
008 B000701 A
008 C000701 801-8074
008 D010701 INDIANAPOLIS
008 D020701 IN
008 D030701 46282
008 A000702 CREDIT SUISSE ASSET MANAGEMENT
008 B000702 S
008 C000702 801-05850
008 D010702 NEW YORK
008 D020702 NY
008 D030702 10022
028 A010700 153
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<PAGE> PAGE 31
048 A020700 0.000
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066 A000700 Y
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<PAGE> PAGE 32
066 F000700 N
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067 000700 Y
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<PAGE> PAGE 33
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073 A010700 0.2370
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<PAGE> PAGE 34
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008 A000801 AMERICAN UNITED LIFE INSURANCE COMPANY
008 B000801 A
008 C000801 801-8074
008 D010801 INDIANAPOLIS
008 D020801 IN
008 D030801 46282
008 A000802 CREDIT SUISSE ASSET MANAGEMENT
008 B000802 S
008 C000802 801-05850
008 D010802 NEW YORK
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008 D030802 10022
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<PAGE> PAGE 35
028 G020800 150
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<PAGE> PAGE 36
062 O000800 0.0
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<PAGE> PAGE 37
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<PAGE> PAGE 38
074 K000800 2
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SIGNATURE JAMES W. MURPHY
TITLE SENIOR V.P. FINANCE
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000853618
<NAME> AUL AMERICAN SERIES FUND
<SERIES>
<NUMBER> 1
<NAME> EQUITY PORTFOLIO
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> DEC-31-1999
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<INVESTMENTS-AT-VALUE> 86,346,385
<RECEIVABLES> 2,360,089
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 88,706,474
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 87,339
<TOTAL-LIABILITIES> 87,339
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 5,518,654
<SHARES-COMMON-PRIOR> 4,710,131
<ACCUMULATED-NII-CURRENT> 1
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,928,478
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,898,035
<NET-ASSETS> 88,619,135
<DIVIDEND-INCOME> 1,749,596
<INTEREST-INCOME> 289,803
<OTHER-INCOME> 0
<EXPENSES-NET> 588,945
<NET-INVESTMENT-INCOME> 1,450,454
<REALIZED-GAINS-CURRENT> 16,133,015
<APPREC-INCREASE-CURRENT> (18,190,485)
<NET-CHANGE-FROM-OPS> (607,016)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 1,450,241
<DISTRIBUTIONS-OF-GAINS> 16,545,094
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 703,472
<NUMBER-OF-SHARES-REDEEMED> 947,933
<SHARES-REINVESTED> 1,052,984
<NET-CHANGE-IN-ASSETS> (6,866,418)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 2,340,346
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 470,603
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 588,945
<AVERAGE-NET-ASSETS> 94,089,682
<PER-SHARE-NAV-BEGIN> 20.27
<PER-SHARE-NII> 0.32
<PER-SHARE-GAIN-APPREC> (0.55)
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<PER-SHARE-DISTRIBUTIONS> 3.66
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<PER-SHARE-NAV-END> 16.06
<EXPENSE-RATIO> 0.63
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000853618
<NAME> AUL AMERICAN SERIES FUND
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