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<PAGE> PAGE 21
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<PAGE> PAGE 22
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048 I020600 0.000
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048 K020600 0.000
049 000600 N
050 000600 N
051 000600 N
052 000600 N
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<PAGE> PAGE 23
062 Q000600 0.0
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064 A000600 N
064 B000600 N
066 A000600 N
067 000600 N
068 A000600 N
068 B000600 N
069 000600 N
070 A010600 Y
070 A020600 N
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070 B020600 N
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070 D020600 N
070 E010600 N
070 E020600 N
070 F010600 N
070 F020600 N
070 G010600 N
070 G020600 N
070 H010600 N
070 H020600 N
070 I010600 N
070 I020600 N
070 J010600 N
070 J020600 N
070 K010600 N
070 K020600 N
070 L010600 N
070 L020600 N
070 M010600 N
070 M020600 N
070 N010600 Y
070 N020600 N
070 O010600 Y
070 O020600 N
070 P010600 N
070 P020600 N
070 Q010600 N
070 Q020600 N
070 R010600 N
070 R020600 N
071 A000600 5117
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<PAGE> PAGE 24
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<PAGE> PAGE 25
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025 A000701 CITIGROUP, INC.
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<PAGE> PAGE 26
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<PAGE> PAGE 27
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<PAGE> PAGE 28
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<PAGE> PAGE 29
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<PAGE> PAGE 30
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<PAGE> PAGE 31
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<PAGE> PAGE 32
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<PAGE> PAGE 33
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SIGNATURE BRIAN S. SHLISSEL
TITLE ASST. TREASURER
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
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<LEGEND>
OCC ACCUMULATION TRUST - EQUITY PORTFOLIO SEMI ANNUAL REPORT FOR THE PERIOD
ENDED JUNE 30, 1999.
</LEGEND>
<CIK> 0000923185
<NAME> OCC ACCUMULATION TRUST
<SERIES>
<NUMBER> 1
<NAME> EQUITY PORTFLIO
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WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
OCC ACCUMULATION TRUST - SMALL CAP PORTFOLIO SEMI-ANNUAL REPORT FOR THE PERIOD
ENDED JUNE 30,1999.
</LEGEND>
<CIK> 0000093185
<NAME> OCC ACCUMULATION TRUST
<SERIES>
<NUMBER> 2
<NAME> SMALL CAP PORTFOLIO
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</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
OCC ACCUMULATION TRUST - MANAGED PORTFOLIO SEMI-ANNUAL REPORT FOR THE PERIOD
ENDED JUNE 30, 1999.
</LEGEND>
<CIK> 0000923185
<NAME> OCC ACCUMULATION TRUST
<SERIES>
<NUMBER> 3
<NAME> MANAGED PORTFOLIO
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<PER-SHARE-DISTRIBUTIONS> (1.47)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 44.57
<EXPENSE-RATIO> 0.83
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>GROSS OF EXPENSE OFFSET - 2,820.
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
OCC ACCUMULATION TRUST - US GOVERNMENT PORTOLIO SEMI-ANNUAL REPORT FOR THE
PERIOD ENDED JUNE 30, 1999.
</LEGEND>
<CIK> 0000923185
<NAME> OCC ACCUMULATION TRUST
<SERIES>
<NUMBER> 6
<NAME> US GOVERNMENT PORTFOLIO
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 10596053
<INVESTMENTS-AT-VALUE> 10388139
<RECEIVABLES> 91712
<ASSETS-OTHER> 783
<OTHER-ITEMS-ASSETS> 5675
<TOTAL-ASSETS> 10486309
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 225866
<TOTAL-LIABILITIES> 225866
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 10481616
<SHARES-COMMON-STOCK> 1005783
<SHARES-COMMON-PRIOR> 989297
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (23317)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (207914)
<NET-ASSETS> 10260443
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 299546
<OTHER-INCOME> 0
<EXPENSES-NET> 49940
<NET-INVESTMENT-INCOME> 249606
<REALIZED-GAINS-CURRENT> (22735)
<APPREC-INCREASE-CURRENT> (437452)
<NET-CHANGE-FROM-OPS> (210581)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (249606)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2180202
<NUMBER-OF-SHARES-REDEEMED> (2233417)
<SHARES-REINVESTED> 231883
<NET-CHANGE-IN-ASSETS> (281519)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (582)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 31946
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 50254<F1>
<AVERAGE-NET-ASSETS> 10737066
<PER-SHARE-NAV-BEGIN> 10.66
<PER-SHARE-NII> 0.24
<PER-SHARE-GAIN-APPREC> (0.46)
<PER-SHARE-DIVIDEND> (.024)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.20
<EXPENSE-RATIO> 0.94
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>GROSS OF EXPENSE OFFSET - $314
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
OCC ACCUMULATION TRUST - GLOBAL EQUITY PORTFOLIO SEMI-ANNUAL REPORT FOR THE
PERIOD ENDED JUNE 30, 1999.
</LEGEND>
<CIK> 0000923185
<NAME> OCC ACCUMULATION TRUST
<SERIES>
<NUMBER> 7
<NAME> GLOBAL EQUITY PORTFOLIO
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 33701379
<INVESTMENTS-AT-VALUE> 38557766
<RECEIVABLES> 78094
<ASSETS-OTHER> 1451
<OTHER-ITEMS-ASSETS> 97904
<TOTAL-ASSETS> 38735215
<PAYABLE-FOR-SECURITIES> 133561
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 27807
<TOTAL-LIABILITIES> 161368
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 29550846
<SHARES-COMMON-STOCK> 2210538
<SHARES-COMMON-PRIOR> 2254352
<ACCUMULATED-NII-CURRENT> 35073
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 4110618
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 4855205
<NET-ASSETS> 38573847
<DIVIDEND-INCOME> 315655
<INTEREST-INCOME> 35620
<OTHER-INCOME> 0
<EXPENSES-NET> 194253
<NET-INVESTMENT-INCOME> 157022
<REALIZED-GAINS-CURRENT> 4284679
<APPREC-INCREASE-CURRENT> 132988
<NET-CHANGE-FROM-OPS> 4574689
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (87815)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4315377
<NUMBER-OF-SHARES-REDEEMED> 5093411
<SHARES-REINVESTED> 87815
<NET-CHANGE-IN-ASSETS> 3796655
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (121949)
<OVERDIST-NET-GAINS-PRIOR> (86246)
<GROSS-ADVISORY-FEES> 143245
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 194537<F1>
<AVERAGE-NET-ASSETS> 36108077
<PER-SHARE-NAV-BEGIN> 15.43
<PER-SHARE-NII> 0.11
<PER-SHARE-GAIN-APPREC> 1.95
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.04)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 17.45
<EXPENSE-RATIO> 1.08
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>GROSS OF EXPENSE OFFSET - 284.
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
OCC ACCUMULATION TRUST- MIDCAP PORTFOLIO SEMI-ANNUAL REPORT FOR THE PERIOD ENDED
JUNE 30, 1999.
</LEGEND>
<CIK> 0000923185
<NAME> OCC ACCUMULATION TRUST
<SERIES>
<NUMBER> 8
<NAME> MID CAP PORTFOLIO
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 3671829
<INVESTMENTS-AT-VALUE> 3787077
<RECEIVABLES> 86084
<ASSETS-OTHER> 437
<OTHER-ITEMS-ASSETS> 3930
<TOTAL-ASSETS> 3877528
<PAYABLE-FOR-SECURITIES> 24860
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 11800
<TOTAL-LIABILITIES> 36660
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 3656757
<SHARES-COMMON-STOCK> 374657
<SHARES-COMMON-PRIOR> 192501
<ACCUMULATED-NII-CURRENT> 5104
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 60012
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 115248
<NET-ASSETS> 3840868
<DIVIDEND-INCOME> 14080
<INTEREST-INCOME> 4050
<OTHER-INCOME> 0
<EXPENSES-NET> 13026
<NET-INVESTMENT-INCOME> 5104
<REALIZED-GAINS-CURRENT> 68431
<APPREC-INCREASE-CURRENT> 104727
<NET-CHANGE-FROM-OPS> 178262
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2334019
<NUMBER-OF-SHARES-REDEEMED> (556437)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 1955844
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (8419)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 10421
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 28718<F1>
<AVERAGE-NET-ASSETS> 2626769
<PER-SHARE-NAV-BEGIN> 9.79
<PER-SHARE-NII> 0.01
<PER-SHARE-GAIN-APPREC> 0.45
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.25
<EXPENSE-RATIO> 1.00
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>GROSS OF EXPENSE OFFSET - 861 AND INVESTMENT ADVISORY FEES WAIVED AND EXPENSES
ASSUMED - 14,831.
</FN>
</TABLE>
