<PAGE> PAGE 1
000 A000000 06/30/99
000 C000000 742212
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 A
001 A000000 NORTHWESTERN MUTUAL SERIES FUND
001 B000000 811-3990
001 C000000 4142711444
002 A000000 720 EAST WISCONSIN AVE.
002 B000000 MILWAUKEE
002 C000000 WI
002 D010000 53202
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 11
007 C010100 1
007 C020100 INDEX 500 STOCK PORTFOLIO
007 C030100 N
007 C010200 2
007 C020200 SELECT BOND PORTFOLIO
007 C030200 N
007 C010300 3
007 C020300 MONEY MARKET PORTFOLIO
007 C030300 N
007 C010400 4
007 C020400 BALANCED PORTFOLIO
007 C030400 N
007 C010500 5
007 C020500 AGGRESSIVE GROWTH STOCK PORTFOLIO
007 C030500 N
007 C010600 6
007 C020600 HIGH YIELD BOND PORTFOLIO
007 C030600 N
007 C010700 7
007 C020700 GROWTH STOCK PORTFOLIO
007 C030700 N
007 C010800 8
007 C020800 GROWTH AND INCOME STOCK PORTFOLIO
007 C030800 N
007 C010900 9
007 C020900 INTERNATIONAL EQUITY PORTFOLIO
007 C030900 N
007 C011000 10
007 C021000 SMALL CAP STOCK PORTFOLIO
<PAGE> PAGE 2
007 C031000 N
007 C011100 11
007 C021100 INDEX 400 STOCK PORTFOLIO
007 C031100 N
007 C011200 12
007 C011300 13
007 C011400 14
007 C011500 15
007 C011600 16
007 C011700 17
007 C011800 18
007 C011900 19
007 C012000 20
013 A00AA01 PRICE WATERHOUSE COOPERS
013 B01AA01 MILWAUKEE
013 B02AA01 WI
013 B03AA01 53202
014 A00AA01 ROBERT W. BAIRD & CO., INC.
014 B00AA01 8-497
014 A00AA02 NORTHWESTERN MUTUAL INVESTMENT SERVICES, LLC
014 B00AA02 8-14088
014 A00AA03 MGIC MORTGAGE SECURITIES CORP.
014 B00AA03 8-33276
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 11
019 C00AA00 NMLSFAMILY
020 A000001 GOLDMAN, SACHS & CO., INC.
020 C000001 449
020 A000002 SALOMON SMITH BARNEY
020 C000002 330
020 A000003 MORGAN STANLEY & CO., INC.
020 C000003 255
020 A000004 ALEX BROWN
020 C000004 221
020 A000005 MERRILL LYNCH & CO.
020 C000005 183
020 A000006 CREDIT SUISSE FIRST BOSTON
020 C000006 158
020 A000007 LEHMAN BROTHERS
020 C000007 104
020 A000008 MONTGOMERY SECURITIES
020 C000008 80
020 A000009 NOMURA SECURITIES
020 C000009 79
020 A000010 PIPER JAFFRAY
020 C000010 78
021 000000 3343
022 A000001 GENRERAL ELECTRIC CAPITAL CO.
022 C000001 2030269
022 D000001 0
<PAGE> PAGE 3
022 A000002 GOLDMAN, SACHS & CO.
022 C000002 1216073
022 D000002 281319
022 A000003 ASSOCIATED CORP NORTH AMERICA
022 C000003 1173515
022 D000003 0
022 A000004 SALOMON SMITH BARNEY
022 C000004 747446
022 D000004 182867
022 A000005 SHERSON L DTC
022 C000005 786639
022 D000005 129987
022 A000006 MERRILL LYNCH & CO.
022 C000006 452422
022 D000006 229517
022 A000007 GENERAL MOTORS ACCEPTANCE CORP.
022 C000007 638903
022 D000007 0
022 A000008 HOUSEHOLD FINANCE
022 C000008 557717
022 D000008 0
022 A000009 SEARS ACCEPTANCE CORP.
022 C000009 406161
022 D000009 9298
022 A000010 FORD MOTOR CREDIT CO.
022 C000010 407568
022 D000010 0
023 C000000 11376240
023 D000000 1661955
026 A000000 N
026 B000000 Y
026 C000000 Y
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
029 00AA00 N
030 A00AA00 0
030 B00AA00 0.00
030 C00AA00 0.00
034 00AA00 N
035 00AA00 0
036 B00AA00 0
037 00AA00 N
038 00AA00 0
039 00AA00 N
040 00AA00 N
042 A00AA00 0
<PAGE> PAGE 4
042 B00AA00 0
042 C00AA00 0
042 D00AA00 0
042 E00AA00 0
042 F00AA00 0
042 G00AA00 0
042 H00AA00 0
043 00AA00 0
044 00AA00 0
049 00AA00 N
050 00AA00 N
051 00AA00 N
052 00AA00 N
053 A00AA00 N
058 A00AA00 N
059 00AA00 Y
060 A00AA00 Y
060 B00AA00 Y
061 00AA00 0
077 A000000 Y
077 G000000 Y
077 O000000 Y
078 000000 N
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
008 A000101 NORTHWESTERN MUTUAL INVESTMENT SERVICES, LLC
008 B000101 A
008 C000101 801-8095
008 D010101 MILWAUKEE
008 D020101 WI
008 D030101 53202
008 A000104 DELETE
008 A000107 DELETE
008 A000110 DELETE
015 A000101 CHASE MANHATTAN
015 B000101 C
015 C010101 NEW YORK
015 C020101 NY
015 C030101 10015
015 E010101 X
015 A000102 DELETE
<PAGE> PAGE 5
024 000100 Y
025 A000101 THE BEAR STEARN COMPANIES, INC.
025 C000101 E
025 D000101 952
025 A000102 CHASE MANHATTAN CORPORATION
025 C000102 E
025 D000102 13367
025 A000103 J.P. MORGAN & COMPANY, INC.
025 C000103 E
025 D000103 4482
025 A000104 LEHMAN BROS HOLDINGS, INC.
025 C000104 E
025 D000104 1289
025 A000105 MERRILL LYNCH & CO.
025 C000105 E
025 D000105 5172
025 A000106 MORGAN STANLEY,DEAN WITTER, DISCOVER & CO.
025 C000106 E
025 D000106 10804
025 A000107 CHARLES SCHWAB
025 C000107 E
025 D000107 8037
025 A000108 PAINE WEBBER
025 C000108 E
025 D000108 1220
025 D000109 0
025 D000110 0
025 D000111 0
025 D000112 0
025 D000113 0
025 D000114 0
025 D000115 0
025 D000116 0
028 A010100 30214
028 A020100 0
028 A030100 0
028 A040100 3526
028 B010100 36175
028 B020100 0
028 B030100 0
028 B040100 3152
028 C010100 35832
028 C020100 0
028 C030100 0
028 C040100 4676
028 D010100 39413
028 D020100 0
028 D030100 0
028 D040100 2957
028 E010100 25376
028 E020100 45519
<PAGE> PAGE 6
028 E030100 0
028 E040100 4369
028 F010100 18386
028 F020100 0
028 F030100 0
028 F040100 6856
028 G010100 185396
028 G020100 45519
028 G030100 0
028 G040100 25536
028 H000100 0
045 000100 Y
046 000100 N
047 000100 Y
048 000100 0.200
048 A010100 0
048 A020100 0.000
048 B010100 0
048 B020100 0.000
048 C010100 0
048 C020100 0.000
048 D010100 0
048 D020100 0.000
048 E010100 0
048 E020100 0.000
048 F010100 0
048 F020100 0.000
048 G010100 0
048 G020100 0.000
048 H010100 0
048 H020100 0.000
048 I010100 0
048 I020100 0.000
048 J010100 0
048 J020100 0.000
048 K010100 0
048 K020100 0.000
054 A000100 Y
054 B000100 Y
054 C000100 Y
054 D000100 N
054 E000100 N
054 F000100 N
054 G000100 Y
054 H000100 Y
054 I000100 Y
054 J000100 Y
054 K000100 N
054 L000100 Y
054 M000100 Y
054 N000100 N
<PAGE> PAGE 7
054 O000100 Y
055 A000100 N
055 B000100 N
056 000100 Y
057 000100 N
062 A000100 N
062 B000100 0.0
062 C000100 0.0
062 D000100 0.0
062 E000100 0.0
062 F000100 0.0
062 G000100 0.0
062 H000100 0.0
062 I000100 0.0
062 J000100 0.0
062 K000100 0.0
062 L000100 0.0
062 M000100 0.0
062 N000100 0.0
062 O000100 0.0
062 P000100 0.0
062 Q000100 0.0
062 R000100 0.0
066 A000100 Y
066 B000100 N
066 C000100 N
066 D000100 N
066 E000100 Y
066 F000100 N
066 G000100 N
067 000100 N
068 A000100 N
068 B000100 N
069 000100 Y
070 A010100 Y
070 A020100 N
070 B010100 Y
070 B020100 N
070 C010100 N
070 C020100 N
070 D010100 N
070 D020100 N
070 E010100 N
070 E020100 N
070 F010100 Y
070 F020100 Y
070 G010100 N
070 G020100 N
070 H010100 N
070 H020100 N
070 I010100 N
<PAGE> PAGE 8
070 I020100 N
070 J010100 Y
070 J020100 N
070 K010100 Y
070 K020100 N
070 L010100 Y
070 L020100 Y
070 M010100 N
070 M020100 N
070 N010100 N
070 N020100 N
070 O010100 Y
070 O020100 N
070 P010100 N
070 P020100 N
070 Q010100 N
070 Q020100 N
070 R010100 N
070 R020100 N
071 A000100 210792
071 B000100 35572
071 C000100 1830155
071 D000100 2
072 A000100 6
072 B000100 1259
072 C000100 12154
072 D000100 0
072 E000100 0
072 F000100 1858
072 G000100 0
072 H000100 0
072 I000100 0
072 J000100 24
072 K000100 0
072 L000100 0
072 M000100 0
072 N000100 0
072 O000100 0
072 P000100 0
072 Q000100 0
072 R000100 0
072 S000100 0
072 T000100 0
072 U000100 0
072 V000100 0
072 W000100 21
072 X000100 1903
072 Y000100 3
072 Z000100 11513
072AA000100 21263
072BB000100 0
<PAGE> PAGE 9
072CC010100 186250
072CC020100 0
072DD010100 19629
072DD020100 0
072EE000100 25890
073 A010100 0.0300
073 A020100 0.0000
073 B000100 0.0500
073 C000100 0.0000
074 A000100 0
074 B000100 0
074 C000100 14436
074 D000100 0
074 E000100 0
074 F000100 2053431
074 G000100 0
074 H000100 0
074 I000100 0
074 J000100 940
074 K000100 1003
074 L000100 2169
074 M000100 0
074 N000100 2071979
074 O000100 27
074 P000100 1960
074 Q000100 0
074 R010100 0
074 R020100 0
074 R030100 0
074 R040100 428
074 S000100 0
074 T000100 2069564
074 U010100 573146
074 U020100 0
074 V010100 3.61
074 V020100 0.00
074 W000100 0.0000
074 X000100 4
074 Y000100 0
075 A000100 0
075 B000100 1859430
076 000100 0.00
008 A000201 NORTHWESTERN MUTUAL INVESTMENT SERVICE, LLC
008 B000201 A
008 C000201 801-8095
008 D010201 MILWAUKEE
008 D020201 WI
008 D030201 53202
015 A000201 BANKERS TRUST
015 B000201 C
015 C010201 NEW YORK
<PAGE> PAGE 10
015 C020201 NY
015 C030201 10015
015 E010201 X
015 A000202 CITIBANK, N.A.
015 B000202 S
015 C010202 BUENOS AIRES
015 D010202 ARGENTINA
015 D020202 1036
015 E040202 X
015 A000203 NATIONAL AUSTRALIA BANK
015 B000203 S
015 C010203 MELBOURNE
015 D010203 AUSTRALIA
015 D020203 VIC 3000
015 E040203 X
015 A000204 BANQUE BRUEXELLES LAMBERT
015 B000204 S
015 C010204 BRUSSELS
015 D010204 BELGIUM
015 D020204 B-1050
015 E040204 X
015 A000205 ROYAL BANK OF CANADA
015 B000205 S
015 C010205 TORONTO
015 D010205 CANADA
015 E040205 X
015 A000206 CREDIT AGRICOLE INDOSUEZ PARIS
015 B000206 S
015 C010206 PARIS
015 D010206 FRANCE
015 D020206 75008
015 E040206 X
015 A000207 CREDIT SUISSE FIRST BOSTON
015 B000207 S
015 C010207 ZURICH
015 D010207 SWITZERLAND
015 E040207 X
015 A000208 DEUTSCHE BANK FRANKFURT
015 B000208 S
015 C010208 FRANKFURT
015 D010208 GERMANY
015 E040208 X
015 A000209 DRESDNER BANK AG
015 B000209 S
015 C010209 FRANKFURT AM MAIN
015 D010209 GERMANY
015 D020209 60301
015 E040209 X
015 A000210 CITIBANK, N.A.
015 B000210 S
015 C010210 JAKARTA
<PAGE> PAGE 11
015 D010210 INDONESIA
015 D020210 12910
015 E040210 X
015 A000211 BANCA COMMERCIALE ITALIANA MILANEUR
015 B000211 S
015 C010211 MILAN
015 D010211 ITALY
015 D020211 20121
015 E040211 X
015 A000212 THE SUMITOMO BANK, LTD.
015 B000212 S
015 C010212 TOKYO
015 D010212 JAPAN
015 E040212 X
015 A000213 SANWA BANK
015 B000213 S
015 C010213 TOKYO
015 D010213 JAPAN
015 E040213 X
015 A000214 HONGKONG BANK MALAYSIA BERHAD
015 B000214 S
015 C010214 KUALA LUMPUR
015 D010214 MALAYSIA
015 D020214 50100
015 E040214 X
015 A000215 DEN DANSKE BANK
015 B000215 S
015 C010215 COPENHAGEN
015 D010215 DENMARK
015 E040215 X
015 A000216 CITIBANK, MEXICO
015 B000216 S
015 C010216 MEXICO CITY
015 D010216 MEXICO
015 D020216 06695
015 E040216 X
015 A000217 CITIBANK, MANILLA
015 B000217 S
015 C010217 MANILLA
015 D010217 PHILIPPINES
015 E040217 X
015 A000218 BANCO SANTANDER
015 B000218 S
015 C010218 MADRID
015 D010218 SPAIN
015 D020218 28022
015 E040218 X
015 A000219 SKANDINAVISKA ENSKILDA BANKEN
015 B000219 S
015 C010219 STOCKHOLM
015 D010219 SWEDEN
<PAGE> PAGE 12
015 D020219 S-106 40
015 E040219 X
015 A000220 HONGKONG & SHANGHAI BANKING CORP.
015 B000220 S
015 C010220 BANGKOK
015 D010220 THAILAND
015 D020220 10500
015 E040220 X
015 A000221 CITIBANK, N.A.
015 B000221 S
015 C010221 ISTANBUL
015 D010221 TURKEY
015 D020221 80280
015 E040221 X
015 A000222 MIDLAND BANK PLC
015 B000222 S
015 C010222 LONDON
015 D010222 UNITED KINGDOM
015 D020222 EC3N4DA
015 E040222 X
015 A000223 ROYAL BANK OF SCOTLAND
015 B000223 S
015 C010223 LONDON
015 D010223 UNITED KINGDOM
015 D020223 348
015 E040223 X
015 A000224 BROWN BROTHERS HARRIMAN & COMPANY
015 B000224 C
015 C010224 NEW YORK
015 C020224 NY
015 C030224 10005
015 E010224 X
015 A000225 CITIBANK (POLAND) SA
015 B000225 S
015 C010225 WARSAW
015 D010225 POLAND
015 D020225 00-082
015 E040225 X
015 A000226 THE STANDARD BANK OF SOUTH AFRICA LTD.
015 B000226 S
015 C010226 JOHANNESBURG
015 D010226 SOUTH AFRICA
015 D020226 2001
015 E040226 X
015 A000227 CITIBANK
015 B000227 S
015 C010227 ATHENS
015 D010227 GREECE
015 E040227 X
015 A000228 CREDIT SUISSE FIRST BOSTON
015 B000228 S
<PAGE> PAGE 13
015 C010228 MOSCOW
015 D010228 RUSSIA
015 D020228 103009
015 E040228 X
015 A000229 HONGKONG AND SHANGHAI BANKING CORP
015 B000229 S
015 C010229 HONG KONG
015 D010229 HONG KONG
015 E040229 X
015 A000230 CHRISTIANIA BANK OG KREDITKASSE
015 B000230 S
015 C010230 OSLO
015 D010230 NORWAY
015 E040230 X
015 A000231 THE NATIONAL BANK OF NEW ZEALAND
015 B000231 S
015 C010231 WELLINGTON
015 D010231 NEW ZEALAND
015 E040231 X
015 A000232 CITIBANK
015 B000232 S
015 C010232 PRAGUE
015 D010232 CZECHOSLOVOKIA
015 E040232 X
015 A000233 OVERSEAS UNION BANK
015 B000233 S
015 C010233 SINGAPORE
015 D010233 SINGAPORE
015 E040233 X
015 A000234 ING BANK
015 B000234 S
015 C010234 BRATISLAVA
015 D010234 SLOVAK REPUBLIC
015 E040234 X
015 A000235 BANKBOSTON
015 B000235 S
015 C010235 MONTEVIDEO
015 D010235 URUGUAY
015 E040235 X
015 A000236 NEDBANK
015 B000236 S
015 C010236 JOHANNESBURG
015 D010236 SOUTH AFRICA
015 E040236 X
024 000200 Y
025 A000201 CHASE MANHATTAN
025 C000201 D
025 D000201 7913
025 A000202 C.S. FIRST BOSTON
025 C000202 D
025 D000202 5872
<PAGE> PAGE 14
025 A000203 DONALDSON LUFKIN & JENRETTE
025 C000203 D
025 D000203 9622
025 A000204 LEHMAN BROTHERS
025 C000204 D
025 D000204 2521
025 A000205 MERRILL LYNCH & CO., INCORPORATED
025 C000205 D
025 D000205 3947
025 A000206 DELETE
025 D000206 0
025 D000207 0
025 D000208 0
028 A010200 3143
028 A020200 0
028 A030200 0
028 A040200 3012
028 B010200 2154
028 B020200 0
028 B030200 0
028 B040200 2907
028 C010200 3340
028 C020200 0
028 C030200 0
028 C040200 2576
028 D010200 2354
028 D020200 0
028 D030200 0
028 D040200 4310
028 E010200 2193
028 E020200 25056
028 E030200 0
028 E040200 4200
028 F010200 5438
028 F020200 0
028 F030200 0
028 F040200 2976
028 G010200 18622
028 G020200 25056
028 G030200 0
028 G040200 19981
028 H000200 0
045 000200 Y
046 000200 N
047 000200 Y
048 000200 0.300
048 A010200 0
048 A020200 0.000
048 B010200 0
048 B020200 0.000
048 C010200 0
<PAGE> PAGE 15
048 C020200 0.000
048 D010200 0
048 D020200 0.000
048 E010200 0
048 E020200 0.000
048 F010200 0
048 F020200 0.000
048 G010200 0
048 G020200 0.000
048 H010200 0
048 H020200 0.000
048 I010200 0
048 I020200 0.000
048 J010200 0
048 J020200 0.000
048 K010200 0
048 K020200 0.000
054 A000200 Y
054 B000200 Y
054 C000200 Y
054 D000200 Y
054 E000200 N
054 F000200 Y
054 G000200 Y
054 H000200 Y
054 I000200 Y
054 J000200 Y
054 K000200 Y
054 L000200 Y
054 M000200 Y
054 N000200 Y
054 O000200 Y
055 A000200 N
055 B000200 N
056 000200 Y
057 000200 N
062 A000200 Y
062 B000200 0.0
062 C000200 0.6
062 D000200 0.0
062 E000200 0.0
062 F000200 0.0
062 G000200 0.0
062 H000200 0.0
062 I000200 4.3
062 J000200 0.0
062 K000200 0.0
062 L000200 0.0
062 M000200 17.6
062 N000200 27.0
062 O000200 0.0
<PAGE> PAGE 16
062 P000200 9.8
062 Q000200 39.9
062 R000200 0.0
063 A000200 0
063 B000200 8.5
064 A000200 Y
064 B000200 Y
065 000200 N
066 A000200 N
067 000200 N
068 A000200 N
068 B000200 N
069 000200 N
070 A010200 Y
070 A020200 N
070 B010200 N
070 B020200 N
070 C010200 N
070 C020200 N
070 D010200 N
070 D020200 N
070 E010200 Y
070 E020200 Y
070 F010200 N
070 F020200 N
070 G010200 N
070 G020200 N
070 H010200 N
070 H020200 N
070 I010200 N
070 I020200 N
070 J010200 Y
070 J020200 N
070 K010200 Y
070 K020200 N
070 L010200 Y
070 L020200 Y
070 M010200 Y
070 M020200 Y
070 N010200 N
070 N020200 N
070 O010200 Y
070 O020200 N
070 P010200 N
070 P020200 N
070 Q010200 N
070 Q020200 N
070 R010200 N
070 R020200 N
071 A000200 147671
071 B000200 130507
<PAGE> PAGE 17
071 C000200 278619
071 D000200 47
072 A000200 6
072 B000200 9946
072 C000200 0
072 D000200 0
072 E000200 0
072 F000200 440
072 G000200 0
072 H000200 0
072 I000200 0
072 J000200 0
072 K000200 0
072 L000200 0
072 M000200 0
072 N000200 0
072 O000200 0
072 P000200 0
072 Q000200 0
072 R000200 0
072 S000200 0
072 T000200 0
072 U000200 0
072 V000200 0
072 W000200 0
072 X000200 440
072 Y000200 0
072 Z000200 9506
072AA000200 763
072BB000200 14
072CC010200 0
072CC020200 11485
072DD010200 17828
072DD020200 0
072EE000200 7228
073 A010200 0.0700
073 A020200 0.0000
073 B000200 0.0300
073 C000200 0.0000
074 A000200 93
074 B000200 0
074 C000200 14375
074 D000200 278622
074 E000200 0
074 F000200 0
074 G000200 0
074 H000200 0
074 I000200 0
074 J000200 3388
074 K000200 343
074 L000200 2710
<PAGE> PAGE 18
074 M000200 0
074 N000200 299531
074 O000200 3489
074 P000200 512
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 0
074 R040200 85
074 S000200 0
074 T000200 295445
074 U010200 259642
074 U020200 0
074 V010200 1.14
074 V020200 0.00
074 W000200 0.0000
074 X000200 4
074 Y000200 6871
075 A000200 0
075 B000200 296501
076 000200 0.00
008 A000301 NORTHWESTERN MUTUAL INVESTMENT SERVICES, LLC
008 B000301 A
008 C000301 801-8095
008 D010301 MILWAUKEE
008 D020301 WI
008 D030301 53202
015 A000301 BANKERS TRUST
015 B000301 C
015 C010301 NEW YORK
015 C020301 NY
015 C030301 10015
015 E010301 X
015 A000302 DELETE
024 000300 N
028 A010300 11130
028 A020300 1132
028 A030300 0
028 A040300 13188
028 B010300 16567
028 B020300 1062
028 B030300 0
028 B040300 10828
028 C010300 23407
028 C020300 1279
028 C030300 0
028 C040300 12299
028 D010300 26119
028 D020300 1208
028 D030300 0
028 D040300 12079
<PAGE> PAGE 19
028 E010300 16206
028 E020300 1154
028 E030300 0
028 E040300 14108
028 F010300 24401
028 F020300 1422
028 F030300 0
028 F040300 21882
028 G010300 117830
028 G020300 7257
028 G030300 0
028 G040300 84384
028 H000300 0
045 000300 Y
046 000300 N
047 000300 Y
048 000300 0.300
048 A010300 0
048 A020300 0.000
048 B010300 0
048 B020300 0.000
048 C010300 0
048 C020300 0.000
048 D010300 0
048 D020300 0.000
048 E010300 0
048 E020300 0.000
048 F010300 0
048 F020300 0.000
048 G010300 0
048 G020300 0.000
048 H010300 0
048 H020300 0.000
048 I010300 0
048 I020300 0.000
048 J010300 0
048 J020300 0.000
048 K010300 0
048 K020300 0.000
054 A000300 Y
054 B000300 Y
054 C000300 Y
054 D000300 Y
054 E000300 N
054 F000300 Y
054 G000300 Y
054 H000300 Y
054 I000300 Y
054 J000300 Y
054 K000300 Y
054 L000300 Y
<PAGE> PAGE 20
054 M000300 Y
054 N000300 Y
054 O000300 Y
055 A000300 N
055 B000300 N
056 000300 Y
057 000300 N
062 A000300 Y
062 B000300 0.0
062 C000300 0.0
062 D000300 0.0
062 E000300 0.0
062 F000300 0.0
062 G000300 0.0
062 H000300 0.0
062 I000300 76.0
062 J000300 0.0
062 K000300 0.0
062 L000300 23.9
062 M000300 0.0
062 N000300 0.0
062 O000300 0.0
062 P000300 0.0
062 Q000300 0.0
062 R000300 0.0
063 A000300 78
063 B000300 0.0
064 A000300 Y
064 B000300 N
066 A000300 N
067 000300 N
068 A000300 N
068 B000300 N
069 000300 N
070 A010300 Y
070 A020300 N
070 B010300 N
070 B020300 N
070 C010300 N
070 C020300 N
070 D010300 N
070 D020300 N
070 E010300 N
070 E020300 N
070 F010300 N
070 F020300 N
070 G010300 N
070 G020300 N
070 H010300 N
070 H020300 N
070 I010300 N
<PAGE> PAGE 21
070 I020300 N
070 J010300 Y
070 J020300 N
070 K010300 Y
070 K020300 N
070 L010300 Y
070 L020300 N
070 M010300 N
070 M020300 N
070 N010300 N
070 N020300 N
070 O010300 Y
070 O020300 N
070 P010300 N
070 P020300 N
070 Q010300 N
070 Q020300 N
070 R010300 N
070 R020300 N
071 A000300 0
071 B000300 0
071 C000300 0
071 D000300 0
072 A000300 6
072 B000300 7718
072 C000300 0
072 D000300 0
072 E000300 0
072 F000300 462
072 G000300 0
072 H000300 0
072 I000300 0
072 J000300 0
072 K000300 0
072 L000300 0
072 M000300 0
072 N000300 0
072 O000300 0
072 P000300 0
072 Q000300 0
072 R000300 0
072 S000300 0
072 T000300 0
072 U000300 0
072 V000300 0
072 W000300 0
072 X000300 462
072 Y000300 0
072 Z000300 7256
072AA000300 0
072BB000300 0
<PAGE> PAGE 22
072CC010300 0
072CC020300 0
072DD010300 7256
072DD020300 0
072EE000300 0
073 A010300 0.0000
073 A020300 0.0000
073 B000300 0.0000
073 C000300 0.0000
074 A000300 104
074 B000300 0
074 C000300 331950
074 D000300 0
074 E000300 0
074 F000300 0
074 G000300 0
074 H000300 0
074 I000300 0
074 J000300 0
074 K000300 237
074 L000300 1005
074 M000300 0
074 N000300 333296
074 O000300 0
074 P000300 1037
074 Q000300 0
074 R010300 0
074 R020300 0
074 R030300 0
074 R040300 90
074 S000300 0
074 T000300 332169
074 U010300 332181
074 U020300 0
074 V010300 1.00
074 V020300 0.00
074 W000300 0.9999
074 X000300 4
074 Y000300 0
075 A000300 310697
075 B000300 0
076 000300 0.00
008 A000401 NORTHWESTERN MUTUAL INVESTMENT SERVICES, LLC
008 B000401 A
008 C000401 801-8095
008 D010401 MILWAUKEE
008 D020401 WI
008 D030401 53202
015 A000401 CHASE MANHATTAN
015 B000401 C
015 C010401 NEW YORK
<PAGE> PAGE 23
015 C020401 NY
015 C030401 10015
015 E010401 X
015 A000402 BROWN BROTHERS HARRIMAN & COMPANY
015 B000402 C
015 C010402 NEW YORK
015 C020402 NY
015 C030402 10005
015 E010402 X
015 A000403 CITIBANK, N.A.
015 B000403 S
015 C010403 BUENOS AIRES
015 D010403 ARGENTINA
015 D020403 1036
015 E040403 X
015 A000404 NATIONAL AUSTRALIA BANK
015 B000404 S
015 C010404 MELBOURNE
015 D010404 AUSTRALIA
015 D020404 VIC 3000
015 E040404 X
015 A000405 BANQUE BRUXELLES LAMBERT
015 B000405 S
015 C010405 BRUSSELS
015 D010405 BELGIUM
015 D020405 B-1050
015 E040405 X
015 A000406 ROYAL BANK OF CANADA
015 B000406 S
015 C010406 TORONTO
015 D010406 CANADA
015 D020406 MSI 1A2
015 E040406 X
015 A000407 CREDIT AGRICOLE INDOSUEZ PARIS
015 B000407 S
015 C010407 PARIS
015 D010407 FRANCE
015 D020407 75008
015 E040407 X
015 A000408 CREDIT SUISSE FIRST BOSTON
015 B000408 S
015 C010408 ZURICH
015 D010408 SWITZERLAND
015 E040408 X
015 A000409 DEUTSCHE BANK
015 B000409 S
015 C010409 FRANKFURT
015 D010409 GERMANY
015 E040409 X
015 A000410 DRESDNER BANK AG
015 B000410 S
<PAGE> PAGE 24
015 C010410 FRANKFURT
015 D010410 GERMANY
015 D020410 60301
015 E040410 X
015 A000411 CITIBANK, N.A.
015 B000411 S
015 C010411 JAKARTA
015 D010411 INDONESIA
015 D020411 12910
015 E040411 X
015 A000412 BANCA COMMERCIALE ITALIANA
015 B000412 S
015 C010412 MILAN
015 D010412 ITALY
015 D020412 20121
015 E040412 X
015 A000413 THE SUMITOMO BANK, LTD.
015 B000413 S
015 C010413 TOKYO
015 D010413 JAPAN
015 D020413 100
015 E040413 X
015 A000414 SANWA BANK
015 B000414 S
015 C010414 TOKYO
015 D010414 JAPAN
015 E040414 X
015 A000415 HONGKONG BANK MALAYSIA BERHAD
015 B000415 S
015 C010415 KUALA LUMPUR
015 D010415 MALAYSIA
015 D020415 50100
015 E040415 X
015 A000416 DEN DANSKE BANK
015 B000416 S
015 C010416 COPENHAGEN
015 D010416 DENMARK
015 E040416 X
015 A000417 CITIBANK MEXICO
015 B000417 S
015 C010417 MEXICO CITY
015 D010417 MEXICO
015 D020417 06695
015 E040417 X
015 A000418 CITIBANK, MANILLA
015 B000418 S
015 C010418 MANILLA
015 D010418 PHILIPPINES
015 E040418 X
015 A000419 BANCO SANTANDER
015 B000419 S
<PAGE> PAGE 25
015 C010419 MADRID
015 D010419 SPAIN
015 D020419 28022
015 E040419 X
015 A000420 SKANDINAVISKA ENSKILDA BANKEN
015 B000420 S
015 C010420 STOCKHOLM
015 D010420 SWEDEN
015 D020420 S-106 40
015 E040420 X
015 A000421 HONGKONG & SHANGHAI BANKING CORP.
015 B000421 S
015 C010421 BANGKOK
015 D010421 THAILAND
015 D020421 10500
015 E040421 X
015 A000422 CITIBANK, N.A.
015 B000422 S
015 C010422 ISTANBUL
015 D010422 TURKEY
015 E040422 X
015 A000423 MIDLAND BANK PLC
015 B000423 S
015 C010423 LONDON
015 D010423 UNITED KINGDOM
015 D020423 EC3N4DA
015 E040423 X
015 A000424 ROYAL BANK OF SCOTLAND
015 B000424 S
015 C010424 LONDON
015 D010424 UNITED KINGDOM
015 D020424 N1 8XL
015 E040424 X
015 A000425 CITIBANK (POLAND) SA
015 B000425 S
015 C010425 WARSAW
015 D010425 POLAND
015 D020425 00-082
015 E040425 X
015 A000426 THE STANDARD BANK OF SOUTH AFRICA LTD.
015 B000426 S
015 C010426 JOHANNESBURG
015 D010426 SOUTH AFRICA
015 D020426 2001
015 E040426 X
015 A000427 NEDBANK
015 B000427 S
015 C010427 JOHANNESBURG
015 D010427 SOUTH AFRICA
015 E040427 X
015 A000428 CREDIT SUISSE
<PAGE> PAGE 26
015 B000428 S
015 C010428 MOSCOW
015 D010428 RUSSIA
015 D020428 103009
015 E040428 X
015 A000429 HONGKONG AND SHANGHAI BANKING CORP
015 B000429 S
015 C010429 HONG KONG
015 D010429 HONG KONG
015 E040429 X
015 A000430 CHRISTIANIA BANK OG KREDITKASSE
015 B000430 S
015 C010430 OSLO
015 D010430 NORWAY
015 E040430 X
015 A000431 THE NATIONAL BANK OF NEW ZEALAND
015 B000431 S
015 C010431 WELLINGTON
015 D010431 NEW ZEALAND
015 E040431 X
015 A000432 OVERSEAS UNION BANK
015 B000432 S
015 C010432 SINGAPORE
015 D010432 SINGAPORE
015 E040432 X
015 A000433 CITIBANK
015 B000433 S
015 C010433 PRAGUE
015 D010433 CZECHOSLOVAKIA
015 E040433 X
015 A000434 CITIBANK
015 B000434 S
015 C010434 ATHENS
015 D010434 GREECE
015 E040434 X
015 A000435 ING BANK
015 B000435 S
015 C010435 BRATISLAVA
015 D010435 SLOVAK REPUBLIC
015 E040435 X
015 A000436 BANKBOSTON
015 B000436 S
015 C010436 MONTEVIDEO
015 D010436 URUGUAY
015 E040436 X
024 000400 Y
025 A000401 MORGAN STANLEY
025 C000401 D
025 D000401 7246
025 A000402 CHASE MANHATTAN
025 C000402 D
<PAGE> PAGE 27
025 D000402 10810
025 A000403 C.S. FIRST BOSTON
025 C000403 D
025 D000403 11919
025 A000404 DONALDSON, LUFKIN & JENRETTE
025 C000404 D
025 D000404 14103
025 A000405 LEHMAN BROTHERS
025 C000405 D
025 D000405 2521
025 A000406 MERRILL LYNCH
025 C000406 D
025 D000406 7834
025 A000407 J.P. MORGAN & CO.
025 C000407 E
025 D000407 4018
025 A000408 LEHMAN BROTHERS
025 C000408 E
025 D000408 1158
025 A000409 MERRILL LYNCH & COMPANY, INC.
025 C000409 E
025 D000409 4644
025 A000410 THE BEAR STEARNS COMPANIES, INC.
025 C000410 E
025 D000410 853
025 A000411 CHARLES SCHWABB
025 C000411 E
025 D000411 7211
025 A000412 CHASE MANHATTAN
025 C000412 E
025 D000412 12002
025 A000413 MORGAN STANLEY, DEAN WITTER, DISCOVER & CO.
025 C000413 E
025 D000413 9694
025 A000414 PAINE WEBBER
025 C000414 E
025 D000414 1094
025 D000415 0
025 D000416 0
028 A010400 14365
028 A020400 0
028 A030400 0
028 A040400 11603
028 B010400 11141
028 B020400 0
028 B030400 0
028 B040400 9688
028 C010400 19146
028 C020400 0
028 C030400 0
028 C040400 12082
<PAGE> PAGE 28
028 D010400 13991
028 D020400 0
028 D030400 0
028 D040400 9957
028 E010400 7073
028 E020400 354419
028 E030400 0
028 E040400 14627
028 F010400 7319
028 F020400 0
028 F030400 0
028 F040400 10087
028 G010400 73035
028 G020400 354419
028 G030400 0
028 G040400 68044
028 H000400 0
045 000400 Y
046 000400 N
047 000400 Y
048 000400 0.300
048 A010400 0
048 A020400 0.000
048 B010400 0
048 B020400 0.000
048 C010400 0
048 C020400 0.000
048 D010400 0
048 D020400 0.000
048 E010400 0
048 E020400 0.000
048 F010400 0
048 F020400 0.000
048 G010400 0
048 G020400 0.000
048 H010400 0
048 H020400 0.000
048 I010400 0
048 I020400 0.000
048 J010400 0
048 J020400 0.000
048 K010400 0
048 K020400 0.000
054 A000400 Y
054 B000400 Y
054 C000400 Y
054 D000400 Y
054 E000400 N
054 F000400 Y
054 G000400 Y
054 H000400 Y
<PAGE> PAGE 29
054 I000400 Y
054 J000400 Y
054 K000400 Y
054 L000400 Y
054 M000400 Y
054 N000400 Y
054 O000400 Y
055 A000400 N
055 B000400 N
056 000400 Y
057 000400 N
062 A000400 N
062 B000400 0.0
062 C000400 0.0
062 D000400 0.0
062 E000400 0.0
062 F000400 0.0
062 G000400 0.0
062 H000400 0.0
062 I000400 0.0
062 J000400 0.0
062 K000400 0.0
062 L000400 0.0
062 M000400 0.0
062 N000400 0.0
062 O000400 0.0
062 P000400 0.0
062 Q000400 0.0
062 R000400 0.0
066 A000400 Y
066 B000400 N
066 C000400 N
066 D000400 N
066 E000400 N
066 F000400 N
066 G000400 Y
067 000400 Y
068 A000400 N
068 B000400 N
069 000400 N
070 A010400 Y
070 A020400 N
070 B010400 Y
070 B020400 N
070 C010400 N
070 C020400 N
070 D010400 N
070 D020400 N
070 E010400 Y
070 E020400 Y
070 F010400 Y
<PAGE> PAGE 30
070 F020400 Y
070 G010400 N
070 G020400 N
070 H010400 N
070 H020400 N
070 I010400 N
070 I020400 N
070 J010400 Y
070 J020400 N
070 K010400 Y
070 K020400 N
070 L010400 Y
070 L020400 Y
070 M010400 Y
070 M020400 Y
070 N010400 N
070 N020400 N
070 O010400 Y
070 O020400 N
070 P010400 N
070 P020400 N
070 Q010400 N
070 Q020400 N
070 R010400 N
070 R020400 N
071 A000400 556267
071 B000400 421377
071 C000400 2843811
071 D000400 15
072 A000400 6
072 B000400 48707
072 C000400 11603
072 D000400 0
072 E000400 0
072 F000400 5043
072 G000400 0
072 H000400 0
072 I000400 0
072 J000400 0
072 K000400 0
072 L000400 0
072 M000400 0
072 N000400 0
072 O000400 0
072 P000400 0
072 Q000400 0
072 R000400 0
072 S000400 0
072 T000400 0
072 U000400 0
072 V000400 0
<PAGE> PAGE 31
072 W000400 0
072 X000400 5043
072 Y000400 0
072 Z000400 55267
072AA000400 47637
072BB000400 447
072CC010400 120224
072CC020400 0
072DD010400 104192
072DD020400 0
072EE000400 250227
073 A010400 0.0600
073 A020400 0.0000
073 B000400 0.1600
073 C000400 0.0000
074 A000400 771
074 B000400 0
074 C000400 480724
074 D000400 1169334
074 E000400 0
074 F000400 1843309
074 G000400 0
074 H000400 0
074 I000400 0
074 J000400 5421
074 K000400 0
074 L000400 20524
074 M000400 0
074 N000400 3520083
074 O000400 4714
074 P000400 4698
074 Q000400 0
074 R010400 0
074 R020400 0
074 R030400 0
074 R040400 929
074 S000400 0
074 T000400 3509742
074 U010400 1645315
074 U020400 0
074 V010400 2.13
074 V020400 0.00
074 W000400 0.0000
074 X000400 4
074 Y000400 214305
075 A000400 0
075 B000400 3390163
076 000400 0.00
008 A000501 NORTHWESTERN MUTUAL INVESTMENT SERVICES, LLC
008 B000501 A
008 C000501 801-8095
<PAGE> PAGE 32
008 D010501 MILWAUKEE
008 D020501 WI
008 D030501 53202
015 A000501 CHASE MANHATTAN
015 B000501 C
015 C010501 NEW YORK
015 C020501 NY
015 C030501 10015
015 E010501 X
015 A000502 DELETE
015 A000503 DELETE
015 A000504 DELETE
024 000500 N
028 A010500 3768
028 A020500 0
028 A030500 0
028 A040500 16982
028 B010500 2402
028 B020500 0
028 B030500 0
028 B040500 27913
028 C010500 3299
028 C020500 0
028 C030500 0
028 C040500 22685
028 D010500 3261
028 D020500 0
028 D030500 0
028 D040500 19468
028 E010500 3368
028 E020500 38569
028 E030500 0
028 E040500 13466
028 F010500 4161
028 F020500 0
028 F030500 0
028 F040500 11095
028 G010500 20259
028 G020500 38569
028 G030500 0
028 G040500 111609
028 H000500 0
045 000500 Y
046 000500 N
047 000500 Y
048 000500 0.000
048 A010500 50000
048 A020500 0.800
048 B010500 50000
048 B020500 0.650
048 C010500 0
<PAGE> PAGE 33
048 C020500 0.000
048 D010500 0
048 D020500 0.000
048 E010500 0
048 E020500 0.000
048 F010500 0
048 F020500 0.000
048 G010500 0
048 G020500 0.000
048 H010500 0
048 H020500 0.000
048 I010500 0
048 I020500 0.000
048 J010500 0
048 J020500 0.000
048 K010500 100000
048 K020500 0.500
054 A000500 Y
054 B000500 Y
054 C000500 Y
054 D000500 N
054 E000500 N
054 F000500 N
054 G000500 Y
054 H000500 Y
054 I000500 Y
054 J000500 Y
054 K000500 N
054 L000500 Y
054 M000500 Y
054 N000500 N
054 O000500 Y
055 A000500 N
055 B000500 N
056 000500 Y
057 000500 N
062 A000500 N
062 B000500 0.0
062 C000500 0.0
062 D000500 0.0
062 E000500 0.0
062 F000500 0.0
062 G000500 0.0
062 H000500 0.0
062 I000500 0.0
062 J000500 0.0
062 K000500 0.0
062 L000500 0.0
062 M000500 0.0
062 N000500 0.0
062 O000500 0.0
<PAGE> PAGE 34
062 P000500 0.0
062 Q000500 0.0
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 N
068 A000500 N
068 B000500 N
069 000500 N
070 A010500 Y
070 A020500 N
070 B010500 Y
070 B020500 N
070 C010500 N
070 C020500 N
070 D010500 N
070 D020500 N
070 E010500 N
070 E020500 N
070 F010500 Y
070 F020500 Y
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 N
070 L010500 Y
070 L020500 Y
070 M010500 N
070 M020500 N
070 N010500 N
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 319372
<PAGE> PAGE 35
071 B000500 362391
071 C000500 1010102
071 D000500 32
072 A000500 6
072 B000500 1779
072 C000500 600
072 D000500 0
072 E000500 0
072 F000500 2750
072 G000500 0
072 H000500 0
072 I000500 0
072 J000500 21
072 K000500 0
072 L000500 0
072 M000500 0
072 N000500 0
072 O000500 0
072 P000500 0
072 Q000500 0
072 R000500 0
072 S000500 0
072 T000500 0
072 U000500 0
072 V000500 0
072 W000500 10
072 X000500 2781
072 Y000500 21
072 Z000500 -381
072AA000500 81053
072BB000500 0
072CC010500 20569
072CC020500 0
072DD010500 389
072DD020500 0
072EE000500 38180
073 A010500 0.0000
073 A020500 0.0000
073 B000500 0.1200
073 C000500 0.0000
074 A000500 1535
074 B000500 0
074 C000500 43981
074 D000500 0
074 E000500 0
074 F000500 1102434
074 G000500 0
074 H000500 0
074 I000500 0
074 J000500 9348
074 K000500 318
<PAGE> PAGE 36
074 L000500 110
074 M000500 0
074 N000500 1157726
074 O000500 8386
074 P000500 1445
074 Q000500 0
074 R010500 0
074 R020500 0
074 R030500 0
074 R040500 539
074 S000500 0
074 T000500 1147356
074 U010500 312030
074 U020500 0
074 V010500 3.68
074 V020500 0.00
074 W000500 0.0000
074 X000500 4
074 Y000500 0
075 A000500 0
075 B000500 1079375
076 000500 0.00
008 A000601 NORTHWESTERN MUTUAL INVESTMENT SERVICES, LLC
008 B000601 A
008 C000601 801-8095
008 D010601 MILWAUKEE
008 D020601 WI
008 D030601 53202
015 A000601 BANKERS TRUST
015 B000601 C
015 C010601 NEW YORK
015 C020601 NY
015 C030601 10015
015 E010601 X
015 A000602 DELETE
024 000600 N
028 A010600 1993
028 A020600 0
028 A030600 0
028 A040600 3713
028 B010600 1125
028 B020600 0
028 B030600 0
028 B040600 3288
028 C010600 1184
028 C020600 0
028 C030600 0
028 C040600 3422
028 D010600 808
028 D020600 0
028 D030600 0
<PAGE> PAGE 37
028 D040600 664
028 E010600 836
028 E020600 198
028 E030600 0
028 E040600 2394
028 F010600 851
028 F020600 0
028 F030600 0
028 F040600 2965
028 G010600 6797
028 G020600 198
028 G030600 0
028 G040600 16446
028 H000600 0
045 000600 Y
046 000600 N
047 000600 Y
048 000600 0.000
048 A010600 50000
048 A020600 0.600
048 B010600 50000
048 B020600 0.500
048 C010600 0
048 C020600 0.000
048 D010600 0
048 D020600 0.000
048 E010600 0
048 E020600 0.000
048 F010600 0
048 F020600 0.000
048 G010600 0
048 G020600 0.000
048 H010600 0
048 H020600 0.000
048 I010600 0
048 I020600 0.000
048 J010600 0
048 J020600 0.000
048 K010600 100000
048 K020600 0.400
054 A000600 Y
054 B000600 Y
054 C000600 Y
054 D000600 N
054 E000600 N
054 F000600 N
054 G000600 Y
054 H000600 Y
054 I000600 Y
054 J000600 Y
054 K000600 N
<PAGE> PAGE 38
054 L000600 Y
054 M000600 Y
054 N000600 N
054 O000600 Y
055 A000600 N
055 B000600 N
056 000600 Y
057 000600 N
062 A000600 Y
062 B000600 0.0
062 C000600 0.0
062 D000600 0.0
062 E000600 0.0
062 F000600 0.0
062 G000600 0.0
062 H000600 0.0
062 I000600 2.5
062 J000600 0.0
062 K000600 0.0
062 L000600 0.0
062 M000600 0.0
062 N000600 0.0
062 O000600 0.0
062 P000600 80.4
062 Q000600 0.0
062 R000600 15.3
063 A000600 0
063 B000600 8.7
064 A000600 N
064 B000600 Y
065 000600 N
066 A000600 N
067 000600 N
068 A000600 N
068 B000600 N
069 000600 N
070 A010600 Y
070 A020600 N
070 B010600 N
070 B020600 N
070 C010600 N
070 C020600 N
070 D010600 N
070 D020600 N
070 E010600 Y
070 E020600 N
070 F010600 N
070 F020600 N
070 G010600 N
070 G020600 N
070 H010600 N
<PAGE> PAGE 39
070 H020600 N
070 I010600 N
070 I020600 N
070 J010600 Y
070 J020600 N
070 K010600 Y
070 K020600 N
070 L010600 Y
070 L020600 Y
070 M010600 N
070 M020600 N
070 N010600 N
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 121089
071 B000600 127787
071 C000600 167890
071 D000600 72
072 A000600 6
072 B000600 9000
072 C000600 1591
072 D000600 0
072 E000600 0
072 F000600 425
072 G000600 0
072 H000600 0
072 I000600 0
072 J000600 8
072 K000600 0
072 L000600 0
072 M000600 0
072 N000600 0
072 O000600 0
072 P000600 0
072 Q000600 0
072 R000600 0
072 S000600 0
072 T000600 0
072 U000600 0
072 V000600 0
072 W000600 11
072 X000600 444
072 Y000600 8
072 Z000600 10155
<PAGE> PAGE 40
072AA000600 0
072BB000600 13565
072CC010600 4358
072CC020600 0
072DD010600 198
072DD020600 0
072EE000600 0
073 A010600 0.0000
073 A020600 0.0000
073 B000600 0.0000
073 C000600 0.0000
074 A000600 4980
074 B000600 0
074 C000600 4296
074 D000600 138972
074 E000600 22503
074 F000600 3908
074 G000600 0
074 H000600 0
074 I000600 0
074 J000600 691
074 K000600 115
074 L000600 2918
074 M000600 0
074 N000600 178383
074 O000600 5276
074 P000600 259
074 Q000600 0
074 R010600 0
074 R020600 0
074 R030600 0
074 R040600 99
074 S000600 0
074 T000600 172749
074 U010600 183750
074 U020600 0
074 V010600 0.94
074 V020600 0.00
074 W000600 0.0000
074 X000600 4
074 Y000600 0
075 A000600 0
075 B000600 177091
076 000600 0.00
008 A000701 NORTHWESTERN MUTUAL INVESTMENT SERVICES, LLC
008 B000701 A
008 C000701 801-8095
008 D010701 MILWAUKEE
008 D020701 WI
008 D030701 53202
015 A000701 BANKERS TRUST
<PAGE> PAGE 41
015 B000701 C
015 C010701 NEW YORK
015 C020701 NY
015 C030701 10015
015 E010701 X
015 A000702 DELETE
024 000700 Y
025 A000701 CHASE MANHATTAN CORP.
025 C000701 E
025 D000701 8219
025 A000702 GOLDMAN SACHS GROUP INC.
025 C000702 E
025 D000702 1842
025 A000703 MORGAN STANLEY, DEAN WITTER, DISCOVER & CO.
025 C000703 E
025 D000703 7042
025 D000704 0
025 D000705 0
025 D000706 0
025 D000707 0
025 D000708 0
028 A010700 13849
028 A020700 0
028 A030700 0
028 A040700 1108
028 B010700 21441
028 B020700 0
028 B030700 0
028 B040700 1244
028 C010700 18129
028 C020700 0
028 C030700 0
028 C040700 667
028 D010700 19742
028 D020700 0
028 D030700 0
028 D040700 801
028 E010700 15041
028 E020700 14448
028 E030700 0
028 E040700 1163
028 F010700 14864
028 F020700 0
028 F030700 0
028 F040700 1972
028 G010700 103066
028 G020700 14448
028 G030700 0
028 G040700 6955
028 H000700 0
045 000700 Y
<PAGE> PAGE 42
046 000700 N
047 000700 Y
048 000700 0.000
048 A010700 50000
048 A020700 0.600
048 B010700 50000
048 B020700 0.500
048 C010700 0
048 C020700 0.000
048 D010700 0
048 D020700 0.000
048 E010700 0
048 E020700 0.000
048 F010700 0
048 F020700 0.000
048 G010700 0
048 G020700 0.000
048 H010700 0
048 H020700 0.000
048 I010700 0
048 I020700 0.000
048 J010700 0
048 J020700 0.000
048 K010700 100000
048 K020700 0.400
054 A000700 Y
054 B000700 Y
054 C000700 Y
054 D000700 N
054 E000700 N
054 F000700 N
054 G000700 Y
054 H000700 Y
054 I000700 Y
054 J000700 Y
054 K000700 N
054 L000700 Y
054 M000700 Y
054 N000700 N
054 O000700 Y
055 A000700 N
055 B000700 N
056 000700 Y
057 000700 N
062 A000700 N
062 B000700 0.0
062 C000700 0.0
062 D000700 0.0
062 E000700 0.0
062 F000700 0.0
062 G000700 0.0
<PAGE> PAGE 43
062 H000700 0.0
062 I000700 0.0
062 J000700 0.0
062 K000700 0.0
062 L000700 0.0
062 M000700 0.0
062 N000700 0.0
062 O000700 0.0
062 P000700 0.0
062 Q000700 0.0
062 R000700 0.0
066 A000700 Y
066 B000700 N
066 C000700 N
066 D000700 Y
066 E000700 N
066 F000700 N
066 G000700 N
067 000700 N
068 A000700 N
068 B000700 N
069 000700 N
070 A010700 Y
070 A020700 N
070 B010700 Y
070 B020700 N
070 C010700 N
070 C020700 N
070 D010700 N
070 D020700 N
070 E010700 N
070 E020700 N
070 F010700 Y
070 F020700 Y
070 G010700 N
070 G020700 N
070 H010700 N
070 H020700 N
070 I010700 N
070 I020700 N
070 J010700 Y
070 J020700 N
070 K010700 Y
070 K020700 N
070 L010700 Y
070 L020700 Y
070 M010700 N
070 M020700 N
070 N010700 N
070 N020700 N
070 O010700 Y
<PAGE> PAGE 44
070 O020700 N
070 P010700 N
070 P020700 N
070 Q010700 N
070 Q020700 N
070 R010700 N
070 R020700 N
071 A000700 106999
071 B000700 47595
071 C000700 419080
071 D000700 11
072 A000700 6
072 B000700 1878
072 C000700 2257
072 D000700 0
072 E000700 0
072 F000700 1052
072 G000700 0
072 H000700 0
072 I000700 0
072 J000700 9
072 K000700 0
072 L000700 0
072 M000700 0
072 N000700 0
072 O000700 0
072 P000700 0
072 Q000700 0
072 R000700 0
072 S000700 0
072 T000700 0
072 U000700 0
072 V000700 0
072 W000700 10
072 X000700 1071
072 Y000700 9
072 Z000700 3073
072AA000700 13119
072BB000700 0
072CC010700 40605
072CC020700 0
072DD010700 917
072DD020700 0
072EE000700 13531
073 A010700 0.0000
073 A020700 0.0000
073 B000700 0.0600
073 C000700 0.0000
074 A000700 743
074 B000700 0
074 C000700 96760
<PAGE> PAGE 45
074 D000700 0
074 E000700 0
074 F000700 478511
074 G000700 0
074 H000700 0
074 I000700 0
074 J000700 0
074 K000700 182
074 L000700 1534
074 M000700 0
074 N000700 577730
074 O000700 2346
074 P000700 954
074 Q000700 0
074 R010700 0
074 R020700 0
074 R030700 0
074 R040700 240
074 S000700 0
074 T000700 574190
074 U010700 234555
074 U020700 0
074 V010700 2.45
074 V020700 0.00
074 W000700 0.0000
074 X000700 4
074 Y000700 43103
075 A000700 0
075 B000700 492978
076 000700 0.00
008 A000801 NORTHWESTERN MUTUAL INVESTMENT SERVICES, LLC
008 B000801 A
008 C000801 801-8095
008 D010801 MILWAUKEE
008 D020801 WI
008 D030801 53202
008 A000802 J. P. MORGAN INVESTMENT MANAGEMENT, INC.
008 B000802 S
008 C000802 801-21011
008 D010802 NEW YORK
008 D020802 NY
008 D030802 10036
015 A000801 BANKERS TRUST
015 B000801 C
015 C010801 NEW YORK
015 C020801 NY
015 C030801 10015
015 E010801 X
015 A000802 DELETE
024 000800 N
028 A010800 8190
<PAGE> PAGE 46
028 A020800 0
028 A030800 0
028 A040800 2708
028 B010800 11647
028 B020800 0
028 B030800 0
028 B040800 1298
028 C010800 9941
028 C020800 0
028 C030800 0
028 C040800 3756
028 D010800 11719
028 D020800 0
028 D030800 0
028 D040800 2131
028 E010800 6910
028 E020800 69552
028 E030800 0
028 E040800 1529
028 F010800 8624
028 F020800 0
028 F030800 0
028 F040800 1676
028 G010800 57031
028 G020800 69552
028 G030800 0
028 G040800 13098
028 H000800 0
045 000800 Y
046 000800 N
047 000800 Y
048 000800 0.000
048 A010800 50000
048 A020800 0.700
048 B010800 50000
048 B020800 0.600
048 C010800 0
048 C020800 0.000
048 D010800 0
048 D020800 0.000
048 E010800 0
048 E020800 0.000
048 F010800 0
048 F020800 0.000
048 G010800 0
048 G020800 0.000
048 H010800 0
048 H020800 0.000
048 I010800 0
048 I020800 0.000
048 J010800 0
<PAGE> PAGE 47
048 J020800 0.000
048 K010800 100000
048 K020800 0.550
054 A000800 Y
054 B000800 Y
054 C000800 Y
054 D000800 N
054 E000800 N
054 F000800 N
054 G000800 Y
054 H000800 Y
054 I000800 Y
054 J000800 Y
054 K000800 N
054 L000800 Y
054 M000800 Y
054 N000800 N
054 O000800 Y
055 A000800 N
055 B000800 N
056 000800 Y
057 000800 N
062 A000800 N
062 B000800 0.0
062 C000800 0.0
062 D000800 0.0
062 E000800 0.0
062 F000800 0.0
062 G000800 0.0
062 H000800 0.0
062 I000800 0.0
062 J000800 0.0
062 K000800 0.0
062 L000800 0.0
062 M000800 0.0
062 N000800 0.0
062 O000800 0.0
062 P000800 0.0
062 Q000800 0.0
062 R000800 0.0
066 A000800 Y
066 B000800 N
066 C000800 N
066 D000800 N
066 E000800 Y
066 F000800 N
066 G000800 N
067 000800 N
068 A000800 N
068 B000800 N
069 000800 N
<PAGE> PAGE 48
070 A010800 Y
070 A020800 N
070 B010800 Y
070 B020800 N
070 C010800 N
070 C020800 N
070 D010800 N
070 D020800 N
070 E010800 N
070 E020800 N
070 F010800 Y
070 F020800 N
070 G010800 N
070 G020800 N
070 H010800 N
070 H020800 N
070 I010800 N
070 I020800 N
070 J010800 Y
070 J020800 N
070 K010800 Y
070 K020800 N
070 L010800 Y
070 L020800 Y
070 M010800 N
070 M020800 N
070 N010800 N
070 N020800 N
070 O010800 Y
070 O020800 N
070 P010800 N
070 P020800 N
070 Q010800 N
070 Q020800 N
070 R010800 N
070 R020800 N
071 A000800 403837
071 B000800 350986
071 C000800 607529
071 D000800 58
072 A000800 6
072 B000800 167
072 C000800 3909
072 D000800 0
072 E000800 0
072 F000800 1722
072 G000800 0
072 H000800 0
072 I000800 0
072 J000800 18
072 K000800 0
<PAGE> PAGE 49
072 L000800 0
072 M000800 0
072 N000800 0
072 O000800 0
072 P000800 0
072 Q000800 0
072 R000800 0
072 S000800 0
072 T000800 0
072 U000800 0
072 V000800 0
072 W000800 11
072 X000800 1751
072 Y000800 18
072 Z000800 2343
072AA000800 35352
072BB000800 0
072CC010800 25343
072CC020800 0
072DD010800 164
072DD020800 0
072EE000800 69388
073 A010800 0.0000
073 A020800 0.0000
073 B000800 0.1600
073 C000800 0.0000
074 A000800 0
074 B000800 0
074 C000800 2997
074 D000800 0
074 E000800 0
074 F000800 674915
074 G000800 0
074 H000800 0
074 I000800 0
074 J000800 4398
074 K000800 293
074 L000800 545
074 M000800 0
074 N000800 683148
074 O000800 4441
074 P000800 400
074 Q000800 0
074 R010800 0
074 R020800 0
074 R030800 0
074 R040800 365
074 S000800 0
074 T000800 677942
074 U010800 422368
074 U020800 0
<PAGE> PAGE 50
074 V010800 1.61
074 V020800 0.00
074 W000800 0.0000
074 X000800 4
074 Y000800 0
075 A000800 0
075 B000800 613850
076 000800 0.00
008 A000901 NORTHWESTERN MUTUAL INVESTMENT SERVICES, LLC
008 B000901 A
008 C000901 801-8095
008 D010901 MILWAUKEE
008 D020901 WI
008 D030901 53202
008 A000902 TEMPLETON INVESTMENT COUNSEL, INC.
008 B000902 S
008 C000902 801-15125
008 D010902 LAUDERDALE
008 D020902 FL
008 D030902 33394
010 A000901 BROWN BROTHERS HARRIMAN & COMPANY
010 C010901 NEW YORK
010 C020901 NY
010 C030901 10005
015 A000901 BROWN BROTHERS HARRIMAN & COMPANY
015 B000901 C
015 C010901 NEW YORK
015 C020901 NY
015 C030901 10005
015 E010901 X
015 A000902 BANK OF BOSTON
015 B000902 S
015 C010902 SAO PAOLO
015 D010902 BRAZIL
015 D020902 01009
015 E040902 X
015 A000903 ROYAL BANK OF CANADA
015 B000903 S
015 C010903 TORONTO
015 D010903 CANADA
015 D020903 M5I 1A2
015 E040903 X
015 A000904 CREDIT AGRICOLE INDOSUEZ
015 B000904 S
015 C010904 PARIS
015 D010904 FRANCE
015 D020904 75008
015 E040904 X
015 A000905 HONGKONG AND SHANGHAI BANKING CORPORATION
015 B000905 S
015 C010905 HONG KONG
<PAGE> PAGE 51
015 D010905 HONG KONG
015 E040905 X
015 A000906 CITIBANK, N.A.
015 B000906 S
015 C010906 BUENOS AIRES
015 D010906 ARGENTINA
015 D020906 1036
015 E040906 X
015 A000907 NATIONAL AUSTRALIA BANK
015 B000907 S
015 C010907 MELBOURNE
015 D010907 AUSTRALIA
015 D020907 VIC 3000
015 E040907 X
015 A000908 CREDITANSTALT BANKVEREIN
015 B000908 S
015 C010908 VIENNA
015 D010908 AUSTRIA
015 D020908 A-1090
015 E040908 X
015 A000909 BANQUE BRUXELLES LAMBERT
015 B000909 S
015 C010909 BRUSSELS
015 D010909 BELGIUM
015 D020909 B-1050
015 E040909 X
015 A000910 CITIBANK
015 B000910 S
015 C010910 PRAGUE
015 D010910 CZECHOSLOVAKIA
015 E040910 X
015 A000911 DEN DANSKE BANK
015 B000911 S
015 C010911 COPENHAGEN
015 D010911 DENMARK
015 D020911 DK-1092
015 E040911 X
015 A000912 MERITA BANK LTD.
015 B000912 S
015 C010912 HELSINKI
015 D010912 FINLAND
015 D020912 SF-00020
015 E040912 X
015 A000913 DELETE
015 A000914 ABN AMRO BANK
015 B000914 S
015 C010914 BREDA
015 D010914 NETHERLANDS
015 E040914 X
015 A000915 NATIONAL NOMINEES LTD.
015 B000915 S
<PAGE> PAGE 52
015 C010915 AUCKLAND
015 D010915 NEW ZEALAND
015 D020915 1036
015 E040915 X
015 A000916 CHRISTIANA BANK
015 B000916 S
015 C010916 OLSO
015 D010916 NORWAY
015 D020916 0107
015 E040916 X
015 A000917 CITIBANK MANILA
015 B000917 S
015 C010917 MANILA
015 D010917 PHILIPPINES
015 E040917 X
015 A000918 THE SUMITOMO BANK, LTD.
015 B000918 S
015 C010918 TOKYO
015 D010918 JAPAN
015 D020918 100
015 E040918 X
015 A000919 CITIBANK, N.A.
015 B000919 S
015 C010919 SEOUL
015 D010919 SOUTH KOREA
015 D020919 110
015 E040919 X
015 A000920 HONGKONG BANK MALAYSIA BERHAD
015 B000920 S
015 C010920 KUALA LAMPUR
015 D010920 MALAYSIA
015 D020920 50100
015 E040920 X
015 A000921 CITIBANK, N.A.
015 B000921 S
015 C010921 MEXICO CITY
015 D010921 MEXICO
015 D020921 06695
015 E040921 X
015 A000922 DEUTSCHE BANK
015 B000922 S
015 C010922 FRANKFURT
015 D010922 GERMANY
015 E040922 X
015 A000923 CITIBANK, N.A.
015 B000923 S
015 C010923 ATHENS
015 D010923 GREECE
015 D020923 GR-10557
015 E040923 X
015 A000924 CITIBANK POLAND SA
<PAGE> PAGE 53
015 B000924 S
015 C010924 WARSAW
015 D010924 POLAND
015 D020924 00-082
015 E040924 X
015 A000925 CITIBANK
015 B000925 S
015 C010925 BUDAPEST
015 D010925 HUNGARY
015 D020925 VACI44
015 E040925 X
015 A000926 CITIBANK, N.A.
015 B000926 S
015 C010926 JAKARTA
015 D010926 INDONESIA
015 D020926 12910
015 E040926 X
015 A000927 ALLIED IRISH BANK PLC
015 B000927 S
015 C010927 DUBLIN
015 D010927 IRELAND
015 D020927 1
015 E040927 X
015 A000928 BANCA COMMERCIALE ITALIANA
015 B000928 S
015 C010928 MILAN
015 D010928 ITALY
015 D020928 20121
015 E040928 X
015 A000929 STANDARD CHARTERED BANK
015 B000929 S
015 C010929 HONG KONG
015 D010929 CHINA
015 E040929 X
015 A000930 BANCO COMERCIAL PORTUGUES
015 B000930 S
015 C010930 LISBON
015 D010930 PORTUGAL
015 D020930 1200
015 E040930 X
015 A000931 HONGKONG & SHANGHAI BANKING CORPORATION
015 B000931 S
015 C010931 SINGAPORE
015 D010931 SINGAPORE
015 D020931 0104
015 E040931 X
015 A000932 ING BANK
015 B000932 S
015 C010932 BRATISLAVA
015 D010932 SLOVAKIA
015 E040932 X
<PAGE> PAGE 54
015 A000933 BANCO SANTANDER
015 B000933 S
015 C010933 MADRID
015 D010933 SPAIN
015 D020933 28022
015 E040933 X
015 A000934 SKANDINAVISKA ENKILDA BANKEN
015 B000934 S
015 C010934 STOCKHOLM
015 D010934 SWEDEN
015 D020934 S-106 40
015 E040934 X
015 A000935 UNION BANK OF SWITZERLAND
015 B000935 S
015 C010935 ZURICH
015 D010935 SWITZERLAND
015 D020935 8021
015 E040935 X
015 A000936 HONGKONG & SHANGHAI BANKING CORPORATION
015 B000936 S
015 C010936 BANGKOK
015 D010936 THAILAND
015 D020936 10500
015 E040936 X
015 A000937 CITIBANK, N.A.
015 B000937 S
015 C010937 ISTANBUL
015 D010937 TURKEY
015 D020937 80280
015 E040937 X
015 A000938 MIDLAND BANK PLC
015 B000938 S
015 C010938 LONDON
015 D010938 ENGLAND
015 D020938 EC3N4DA
015 E040938 X
015 A000939 CITIBANK, N.A.
015 B000939 S
015 C010939 CARACAS
015 D010939 VENEZUELA
015 E040939 X
015 A000940 DRESDNER BANK
015 B000940 S
015 C010940 FRANKFURT
015 D010940 GERMANY
015 E040940 X
015 A000941 SANWA BANK
015 B000941 S
015 C010941 TOKYO
015 D010941 JAPAN
015 E040941 X
<PAGE> PAGE 55
015 A000942 DELETE
015 A000943 THE NATIONAL BANK OF NEW ZEALAND
015 B000943 S
015 C010943 WELLINGTON
015 D010943 NEW ZEALAND
015 E040943 X
015 A000944 BANKBOSTON
015 B000944 S
015 C010944 MONTEVIDEO
015 D010944 URUGUAY
015 E040944 X
015 A000945 OVERSEAS UNION BANK
015 B000945 S
015 C010945 SINGAPORE
015 D010945 SINGAPORE
015 D020945 0104
015 E040945 X
015 A000946 CREDIT SUISSE FIRST BOSTON
015 B000946 S
015 C010946 ZURICH
015 D010946 SWITZERLAND
015 E040946 X
015 A000947 ROYAL BANK OF SCOTLAND
015 B000947 S
015 C010947 LONDON
015 D010947 UNITED KINGDOM
015 D020947 348
015 E040947 X
015 A000948 THE STANDARD BANK OF SOUTH AFRICA LTD.
015 B000948 S
015 C010948 JOHANNESBURG
015 D010948 SOUTH AFRICA
015 D020948 2001
015 E040948 X
015 A000949 NEDBANK
015 B000949 S
015 C010949 JOHANNESBURG
015 D010949 SOUTH AFRICA
015 E040949 X
015 A000950 DELETE
024 000900 N
028 A010900 2858
028 A020900 0
028 A030900 0
028 A040900 12926
028 B010900 2580
028 B020900 0
028 B030900 0
028 B040900 19306
028 C010900 2783
028 C020900 0
<PAGE> PAGE 56
028 C030900 0
028 C040900 12098
028 D010900 2673
028 D020900 0
028 D030900 0
028 D040900 9478
028 E010900 4144
028 E020900 97197
028 E030900 0
028 E040900 6586
028 F010900 5630
028 F020900 0
028 F030900 0
028 F040900 5488
028 G010900 20668
028 G020900 97197
028 G030900 0
028 G040900 65882
028 H000900 0
045 000900 Y
046 000900 N
047 000900 Y
048 000900 0.000
048 A010900 50000
048 A020900 0.850
048 B010900 0
048 B020900 0.000
048 C010900 0
048 C020900 0.000
048 D010900 0
048 D020900 0.000
048 E010900 0
048 E020900 0.000
048 F010900 0
048 F020900 0.000
048 G010900 0
048 G020900 0.000
048 H010900 0
048 H020900 0.000
048 I010900 0
048 I020900 0.000
048 J010900 0
048 J020900 0.000
048 K010900 50000
048 K020900 0.650
054 A000900 Y
054 B000900 Y
054 C000900 N
054 D000900 N
054 E000900 N
054 F000900 N
<PAGE> PAGE 57
054 G000900 Y
054 H000900 Y
054 I000900 Y
054 J000900 Y
054 K000900 N
054 L000900 N
054 M000900 Y
054 N000900 N
054 O000900 Y
055 A000900 N
055 B000900 N
056 000900 Y
057 000900 N
062 A000900 N
062 B000900 0.0
062 C000900 0.0
062 D000900 0.0
062 E000900 0.0
062 F000900 0.0
062 G000900 0.0
062 H000900 0.0
062 I000900 0.0
062 J000900 0.0
062 K000900 0.0
062 L000900 0.0
062 M000900 0.0
062 N000900 0.0
062 O000900 0.0
062 P000900 0.0
062 Q000900 0.0
062 R000900 0.0
066 A000900 Y
066 B000900 N
066 C000900 N
066 D000900 N
066 E000900 Y
066 F000900 N
066 G000900 N
067 000900 N
068 A000900 N
068 B000900 Y
069 000900 N
070 A010900 Y
070 A020900 N
070 B010900 Y
070 B020900 N
070 C010900 N
070 C020900 N
070 D010900 N
070 D020900 N
070 E010900 Y
<PAGE> PAGE 58
070 E020900 N
070 F010900 Y
070 F020900 N
070 G010900 N
070 G020900 N
070 H010900 N
070 H020900 N
070 I010900 Y
070 I020900 N
070 J010900 Y
070 J020900 N
070 K010900 Y
070 K020900 Y
070 L010900 Y
070 L020900 Y
070 M010900 Y
070 M020900 Y
070 N010900 N
070 N020900 N
070 O010900 Y
070 O020900 N
070 P010900 N
070 P020900 N
070 Q010900 N
070 Q020900 N
070 R010900 N
070 R020900 N
071 A000900 987468
071 B000900 1030232
071 C000900 643708
071 D000900 153
072 A000900 6
072 B000900 649
072 C000900 14747
072 D000900 0
072 E000900 0
072 F000900 2210
072 G000900 0
072 H000900 0
072 I000900 0
072 J000900 199
072 K000900 0
072 L000900 0
072 M000900 0
072 N000900 0
072 O000900 0
072 P000900 0
072 Q000900 0
072 R000900 0
072 S000900 0
072 T000900 0
<PAGE> PAGE 59
072 U000900 0
072 V000900 0
072 W000900 135
072 X000900 2544
072 Y000900 0
072 Z000900 12852
072AA000900 41149
072BB000900 1790
072CC010900 22269
072CC020900 0
072DD010900 18221
072DD020900 0
072EE000900 78977
073 A010900 0.0400
073 A020900 0.0000
073 B000900 0.1800
073 C000900 0.0000
074 A000900 0
074 B000900 0
074 C000900 39096
074 D000900 0
074 E000900 0
074 F000900 657298
074 G000900 0
074 H000900 0
074 I000900 0
074 J000900 53
074 K000900 334
074 L000900 5222
074 M000900 0
074 N000900 702003
074 O000900 330
074 P000900 740
074 Q000900 0
074 R010900 0
074 R020900 0
074 R030900 0
074 R040900 563
074 S000900 0
074 T000900 700370
074 U010900 432243
074 U020900 0
074 V010900 1.62
074 V020900 0.00
074 W000900 0.0000
074 X000900 4
074 Y000900 0
075 A000900 0
075 B000900 668992
076 000900 0.00
008 A001001 NORTHWESTERN MUTUAL INVESTMENT SERVICES, LLC
<PAGE> PAGE 60
008 B001001 A
008 C001001 801-8095
008 D011001 MILWAUKEE
008 D021001 WI
008 D031001 53202
015 A001001 CHASE MANHATTAN
015 B001001 C
015 C011001 NEW YORK
015 C021001 NY
015 C031001 10015
015 E011001 X
024 001000 N
028 A011000 0
028 A021000 0
028 A031000 0
028 A041000 0
028 B011000 0
028 B021000 0
028 B031000 0
028 B041000 0
028 C011000 0
028 C021000 0
028 C031000 0
028 C041000 0
028 D011000 5010
028 D021000 0
028 D031000 0
028 D041000 0
028 E011000 2957
028 E021000 0
028 E031000 0
028 E041000 0
028 F011000 3293
028 F021000 0
028 F031000 0
028 F041000 13
028 G011000 11260
028 G021000 0
028 G031000 0
028 G041000 13
028 H001000 0
045 001000 Y
046 001000 N
047 001000 Y
048 001000 0.000
048 A011000 50000
048 A021000 0.800
048 B011000 50000
048 B021000 0.650
048 C011000 0
048 C021000 0.000
<PAGE> PAGE 61
048 D011000 0
048 D021000 0.000
048 E011000 0
048 E021000 0.000
048 F011000 0
048 F021000 0.000
048 G011000 0
048 G021000 0.000
048 H011000 0
048 H021000 0.000
048 I011000 0
048 I021000 0.000
048 J011000 0
048 J021000 0.000
048 K011000 100000
048 K021000 0.500
054 A001000 Y
054 B001000 Y
054 C001000 Y
054 D001000 N
054 E001000 N
054 F001000 N
054 G001000 Y
054 H001000 Y
054 I001000 Y
054 J001000 Y
054 K001000 N
054 L001000 Y
054 M001000 Y
054 N001000 N
054 O001000 Y
055 A001000 N
055 B001000 N
056 001000 Y
057 001000 N
062 A001000 N
062 B001000 0.0
062 C001000 0.0
062 D001000 0.0
062 E001000 0.0
062 F001000 0.0
062 G001000 0.0
062 H001000 0.0
062 I001000 0.0
062 J001000 0.0
062 K001000 0.0
062 L001000 0.0
062 M001000 0.0
062 N001000 0.0
062 O001000 0.0
062 P001000 0.0
<PAGE> PAGE 62
062 Q001000 0.0
062 R001000 0.0
066 A001000 Y
066 B001000 N
066 C001000 N
066 D001000 Y
066 E001000 N
066 F001000 N
066 G001000 N
067 001000 N
068 A001000 N
068 B001000 N
069 001000 N
070 A011000 Y
070 A021000 N
070 B011000 Y
070 B021000 N
070 C011000 N
070 C021000 N
070 D011000 N
070 D021000 N
070 E011000 N
070 E021000 N
070 F011000 Y
070 F021000 Y
070 G011000 N
070 G021000 N
070 H011000 N
070 H021000 N
070 I011000 N
070 I021000 N
070 J011000 Y
070 J021000 N
070 K011000 Y
070 K021000 N
070 L011000 Y
070 L021000 Y
070 M011000 N
070 M021000 N
070 N011000 N
070 N021000 N
070 O011000 Y
070 O021000 N
070 P011000 N
070 P021000 N
070 Q011000 N
070 Q021000 N
070 R011000 N
070 R021000 N
071 A001000 11181
071 B001000 1423
<PAGE> PAGE 63
071 C001000 9135
071 D001000 16
072 A001000 2
072 B001000 12
072 C001000 1
072 D001000 0
072 E001000 0
072 F001000 11
072 G001000 0
072 H001000 0
072 I001000 0
072 J001000 4
072 K001000 0
072 L001000 0
072 M001000 0
072 N001000 0
072 O001000 0
072 P001000 0
072 Q001000 0
072 R001000 0
072 S001000 0
072 T001000 0
072 U001000 0
072 V001000 0
072 W001000 6
072 X001000 21
072 Y001000 8
072 Z001000 0
072AA001000 398
072BB001000 13
072CC011000 1360
072CC021000 0
072DD011000 0
072DD021000 0
072EE001000 0
073 A011000 0.0000
073 A021000 0.0000
073 B001000 0.0000
073 C001000 0.0000
074 A001000 0
074 B001000 0
074 C001000 1199
074 D001000 0
074 E001000 0
074 F001000 11497
074 G001000 0
074 H001000 0
074 I001000 0
074 J001000 173
074 K001000 407
074 L001000 7
<PAGE> PAGE 64
074 M001000 0
074 N001000 13283
074 O001000 278
074 P001000 0
074 Q001000 0
074 R011000 0
074 R021000 0
074 R031000 0
074 R041000 12
074 S001000 0
074 T001000 12993
074 U011000 10749
074 U021000 0
074 V011000 1.21
074 V021000 0.00
074 W001000 0.0000
074 X001000 4
074 Y001000 99
075 A001000 0
075 B001000 8660
076 001000 0.00
008 A001101 NORTHWESTERN MUTUAL INVESTMENT SERVICES, LLC
008 B001101 A
008 C001101 801-8095
008 D011101 MILWAUKEE
008 D021101 WI
008 D031101 53202
015 A001101 CHASE MANHATTAN
015 B001101 C
015 C011101 NEW YORK
015 C021101 NY
015 C031101 10015
015 E011101 X
024 001100 N
028 A011100 0
028 A021100 0
028 A031100 0
028 A041100 0
028 B011100 0
028 B021100 0
028 B031100 0
028 B041100 0
028 C011100 0
028 C021100 0
028 C031100 0
028 C041100 0
028 D011100 25010
028 D021100 0
028 D031100 0
028 D041100 0
028 E011100 1991
<PAGE> PAGE 65
028 E021100 0
028 E031100 0
028 E041100 0
028 F011100 3348
028 F021100 0
028 F031100 0
028 F041100 12
028 G011100 30349
028 G021100 0
028 G031100 0
028 G041100 12
028 H001100 0
045 001100 Y
046 001100 N
047 001100 Y
048 001100 0.250
048 A011100 0
048 A021100 0.000
048 B011100 0
048 B021100 0.000
048 C011100 0
048 C021100 0.000
048 D011100 0
048 D021100 0.000
048 E011100 0
048 E021100 0.000
048 F011100 0
048 F021100 0.000
048 G011100 0
048 G021100 0.000
048 H011100 0
048 H021100 0.000
048 I011100 0
048 I021100 0.000
048 J011100 0
048 J021100 0.000
048 K011100 0
048 K021100 0.000
054 A001100 Y
054 B001100 Y
054 C001100 Y
054 D001100 N
054 E001100 N
054 F001100 N
054 G001100 Y
054 H001100 Y
054 I001100 Y
054 J001100 Y
054 K001100 N
054 L001100 Y
054 M001100 Y
<PAGE> PAGE 66
054 N001100 N
054 O001100 Y
055 A001100 N
055 B001100 N
056 001100 Y
057 001100 N
062 A001100 N
062 B001100 0.0
062 C001100 0.0
062 D001100 0.0
062 E001100 0.0
062 F001100 0.0
062 G001100 0.0
062 H001100 0.0
062 I001100 0.0
062 J001100 0.0
062 K001100 0.0
062 L001100 0.0
062 M001100 0.0
062 N001100 0.0
062 O001100 0.0
062 P001100 0.0
062 Q001100 0.0
062 R001100 0.0
066 A001100 Y
066 B001100 N
066 C001100 N
066 D001100 N
066 E001100 Y
066 F001100 N
066 G001100 N
067 001100 N
068 A001100 N
068 B001100 N
069 001100 Y
070 A011100 Y
070 A021100 N
070 B011100 Y
070 B021100 N
070 C011100 N
070 C021100 N
070 D011100 N
070 D021100 N
070 E011100 N
070 E021100 N
070 F011100 Y
070 F021100 Y
070 G011100 N
070 G021100 N
070 H011100 N
070 H021100 N
<PAGE> PAGE 67
070 I011100 N
070 I021100 N
070 J011100 Y
070 J021100 N
070 K011100 Y
070 K021100 N
070 L011100 Y
070 L021100 Y
070 M011100 N
070 M021100 N
070 N011100 N
070 N021100 N
070 O011100 Y
070 O021100 N
070 P011100 N
070 P021100 N
070 Q011100 N
070 Q021100 N
070 R011100 N
070 R021100 N
071 A001100 28970
071 B001100 1024
071 C001100 27136
071 D001100 4
072 A001100 2
072 B001100 33
072 C001100 50
072 D001100 0
072 E001100 0
072 F001100 11
072 G001100 0
072 H001100 0
072 I001100 0
072 J001100 6
072 K001100 0
072 L001100 0
072 M001100 0
072 N001100 0
072 O001100 0
072 P001100 0
072 Q001100 0
072 R001100 0
072 S001100 0
072 T001100 0
072 U001100 0
072 V001100 0
072 W001100 8
072 X001100 25
072 Y001100 10
072 Z001100 68
072AA001100 21
<PAGE> PAGE 68
072BB001100 39
072CC011100 1498
072CC021100 0
072DD011100 0
072DD021100 0
072EE001100 0
073 A011100 0.0000
073 A021100 0.0000
073 B001100 0.0000
073 C001100 0.0000
074 A001100 0
074 B001100 0
074 C001100 2197
074 D001100 0
074 E001100 0
074 F001100 29354
074 G001100 0
074 H001100 0
074 I001100 0
074 J001100 0
074 K001100 339
074 L001100 26
074 M001100 0
074 N001100 31916
074 O001100 16
074 P001100 0
074 Q001100 0
074 R011100 0
074 R021100 0
074 R031100 0
074 R041100 15
074 S001100 0
074 T001100 31885
074 U011100 30236
074 U021100 0
074 V011100 1.05
074 V021100 0.00
074 W001100 0.0000
074 X001100 4
074 Y001100 99
075 A001100 0
075 B001100 27909
076 001100 0.00
SIGNATURE GWEN CANADY
TITLE MUTUAL FUND MGR
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
[TEXT]
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from semiannual
statements of Northwestern Mutual Series Fund Inc. Aggressive Growth Stock
Portfolio June 30, 1999.
</LEGEND>
<SERIES>
<NUMBER> 01
<NAME> AGGRESSIVE GROWTH STOCK PORTFOLIO
<MULTIPLIER> 1000
<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> 761,026
<INVESTMENTS-AT-VALUE> 1,146,415
<RECEIVABLES> 9,776
<ASSETS-OTHER> 1,535
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1,157,726
<PAYABLE-FOR-SECURITIES> 8,386
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,984
<TOTAL-LIABILITIES> 10,370
<SENIOR-EQUITY> 683,261
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 312,030
<SHARES-COMMON-PRIOR> 328,396
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (380)
<ACCUMULATED-NET-GAINS> 79,086
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 385,389
<NET-ASSETS> 1,147,356
<DIVIDEND-INCOME> 600
<INTEREST-INCOME> 1,779
<OTHER-INCOME> 0
<EXPENSES-NET> 2,760
<NET-INVESTMENT-INCOME> (381)
<REALIZED-GAINS-CURRENT> 81,053
<APPREC-INCREASE-CURRENT> 20,569
<NET-CHANGE-FROM-OPS> 101,241
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 389
<DISTRIBUTIONS-OF-GAINS> 38,180
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 5,994
<NUMBER-OF-SHARES-REDEEMED> 33,383
<SHARES -REINVESTED> 11,023
<NET-CHANGE-IN-ASSETS> 9,890
<ACCUMULATED-NII-PRIOR> 390
<ACCUMULATED-GAINS-PRIOR> 36,213
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,750
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,781
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> 3.46
<PER-SHARE-NII> 0
<PER-SHARE-GAIN-APPREC> 0.34
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0.12
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 3.68
<EXPENSE-RATIO> 0.51
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<PAGE>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEMI-ANNUAL
FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL SERIES FUND, INC. INTERNATIONAL
EQUITY PORTFOLIO JUNE 30, 1999.
</LEGEND>
<SERIES>
<NUMBER> 02
<NAME> INTERNATIONAL EQUITY PORTFOLIO
<MULTIPLIER> 1000
<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> 626,964
<INVESTMENTS-AT-VALUE> 696,394
<RECEIVABLES> 5,609
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 702,003
<PAYABLE-FOR-SECURITIES> 330
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,303
<TOTAL-LIABILITIES> 1,633
<SENIOR-EQUITY> 580,297
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 432,243
<SHARES-COMMON-PRIOR> 400,191
<ACCUMULATED-NII-CURRENT> 14,543
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 36,235
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 69,295
<NET-ASSETS> 700,370
<DIVIDEND-INCOME> 14,747
<INTEREST-INCOME> 649
<OTHER-INCOME> 0
<EXPENSES-NET> 2,544
<NET-INVESTMENT-INCOME> 12,852
<REALIZED-GAINS-CURRENT> 39,359
<APPREC-INCREASE-CURRENT> 22,269
<NET-CHANGE-FROM-OPS> 74,480
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 18,221
<DISTRIBUTIONS-OF-GAINS> 78,977
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 12,298
<NUMBER-OF-SHARES-REDEEMED> 39,189
<SHARES-REINVESTED> 58,943
<NET-CHANGE-IN-ASSETS> 29,264
<ACCUMULATED-NII-PRIOR> 19,912
<ACCUMULATED-GAINS-PRIOR> 75,853
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,210
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,544
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> 1.68
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> 0.13
<PER-SHARE-DIVIDEND> 0.04
<PER-SHARE-DISTRIBUTIONS> 0.18
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.62
<EXPENSE-RATIO> 0.76
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEMI-ANNUAL
FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL SERIES FUND, INC. GROWTH STOCK
PORTFOLIO JUNE 30, 1999.
</LEGEND>
<SERIES>
<NUMBER> 03
<NAME> GROWTH STOCK PORTFOLIO
<MULTIPLIER> 1000
<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> 402,427
<INVESTMENTS-AT-VALUE> 575,271
<RECEIVABLES> 1,716
<ASSETS-OTHER> 743
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 577,730
<PAYABLE-FOR-SECURITIES> 2,346
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,194
<TOTAL-LIABILITIES> 3,540
<SENIOR-EQUITY> 384,264
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 234,555
<SHARES-COMMON-PRIOR> 187,469
<ACCUMULATED-NII-CURRENT> 3,072
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 11,556
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 175,298
<NET-ASSETS> 574,190
<DIVIDEND-INCOME> 2,257
<INTEREST-INCOME> 1,878
<OTHER-INCOME> 0
<EXPENSES-NET> 1,062
<NET-INVESTMENT-INCOME> 3,073
<REALIZED-GAINS-CURRENT> 13,119
<APPREC-INCREASE-CURRENT> 40,605
<NET-CHANGE-FROM-OPS> 56,797
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 917
<DISTRIBUTIONS-OF-GAINS> 13,531
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 44,016
<NUMBER-OF-SHARES-REDEEMED> 2,970
<SHARES-REINVESTED> 6,040
<NET-CHANGE-IN-ASSETS> 152,908
<ACCUMULATED-NII-PRIOR> 916
<ACCUMULATED-GAINS-PRIOR> 11,968
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,052
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,071
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> 2.25
<PER-SHARE-NII> 0.01
<PER-SHARE-GAIN-APPREC> 0.25
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0.06
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 2.45
<EXPENSE-RATIO> 0.43
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEMI-ANNUAL
FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL SERIES FUND, INC. GROWTH AND INCOME
STOCK PORTFOLIO JUNE 30, 1999.
</LEGEND>
<SERIES>
<NUMBER> 04
<NAME> GROWTH AND INCOME STOCK PORTFOLIO
<MULTIPLIER> 1000
<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> 599,204
<INVESTMENTS-AT-VALUE> 677,912
<RECEIVABLES> 5,236
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 683,148
<PAYABLE-FOR-SECURITIES> 4,441
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 765
<TOTAL-LIABILITIES> 5,206
<SENIOR-EQUITY> 563,587
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 422,368
<SHARES-COMMON-PRIOR> 351,523
<ACCUMULATED-NII-CURRENT> 2,342
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 33,304
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 78,709
<NET-ASSETS> 677,942
<DIVIDEND-INCOME> 3,909
<INTEREST-INCOME> 167
<OTHER-INCOME> 0
<EXPENSES-NET> 1,733
<NET-INVESTMENT-INCOME> 2,343
<REALIZED-GAINS-CURRENT> 35,352
<APPREC-INCREASE-CURRENT> 25,343
<NET-CHANGE-FROM-OPS> 63,038
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 164
<DISTRIBUTIONS-OF-GAINS> 69,388
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 34,861
<NUMBER-OF-SHARES-REDEEMED> 8,008
<SHARES-REINVESTED> 43,992
<NET-CHANGE-IN-ASSETS> 106,972
<ACCUMULATED-NII-PRIOR> 163
<ACCUMULATED-GAINS-PRIOR> 67,340
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,722
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,751
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> 1.62
<PER-SHARE-NII> 0.01
<PER-SHARE-GAIN-APPREC> 0.14
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.16
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.61
<EXPENSE-RATIO> 0.56
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEMI-ANNUAL
FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL SERIES FUND, INC. INDEX 500 STOCK
PORTFOLIO JUNE 30, 1999.
</LEGEND>
<SERIES>
<NUMBER> 05
<NAME> INDEX 500 STOCK PORTFOLIO
<MULTIPLIER> 1000
<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> 1,132,968
<INVESTMENTS-AT-VALUE> 2,067,867
<RECEIVABLES> 4,112
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 2,071,979
<PAYABLE-FOR-SECURITIES> 27
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2,388
<TOTAL-LIABILITIES> 2,415
<SENIOR-EQUITY> 1,101,452
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 573,146
<SHARES-COMMON-PRIOR> 514,113
<ACCUMULATED-NII-CURRENT> 11,514
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 21,246
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 935,352
<NET-ASSETS> 2,069,564
<DIVIDEND-INCOME> 12,154
<INTEREST-INCOME> 1,259
<OTHER-INCOME> 0
<EXPENSES-NET> 1,900
<NET-INVESTMENT-INCOME> 11,513
<REALIZED-GAINS-CURRENT> 21,263
<APPREC-INCREASE-CURRENT> 186,250
<NET-CHANGE-FROM-OPS> 219,026
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 19,629
<DISTRIBUTIONS-OF-GAINS> 25,890
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 53,646
<NUMBER-OF-SHARES-REDEEMED> 7,399
<SHARES-REINVESTED> 12,786
<NET-CHANGE-IN-ASSETS> 378,884
<ACCUMULATED-NII-PRIOR> 19,630
<ACCUMULATED-GAINS-PRIOR> 25,873
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,858
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,903
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> 3.29
<PER-SHARE-NII> 0.02
<PER-SHARE-GAIN-APPREC> 0.38
<PER-SHARE-DIVIDEND> 0.03
<PER-SHARE-DISTRIBUTIONS> 0.05
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 3.61
<EXPENSE-RATIO> 0.20
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEMI-ANNUAL
FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL SERIES FUND, INC. BALANCED PORTFOLIO
JUNE 30, 1999.
</LEGEND>
<SERIES>
<NUMBER> 06
<NAME> BALANCED PORTFOLIO
<MULTIPLIER> 1000
<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> 2,378,812
<INVESTMENTS-AT-VALUE> 3,493,367
<RECEIVABLES> 25,945
<ASSETS-OTHER> 771
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3,520,083
<PAYABLE-FOR-SECURITIES> 4,714
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5,627
<TOTAL-LIABILITIES> 10,341
<SENIOR-EQUITY> 2,305,197
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 1,645,315
<SHARES-COMMON-PRIOR> 1,475,966
<ACCUMULATED-NII-CURRENT> 54,632
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 28,978
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,120,935
<NET-ASSETS> 3,509,742
<DIVIDEND-INCOME> 11,603
<INTEREST-INCOME> 48,707
<OTHER-INCOME> 0
<EXPENSES-NET> 5,043
<NET-INVESTMENT-INCOME> 55,267
<REALIZED-GAINS-CURRENT> 47,190
<APPREC-INCREASE-CURRENT> 120,224
<NET-CHANGE-FROM-OPS> 222,681
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 104,192
<DISTRIBUTIONS-OF-GAINS> 250,227
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 32,547
<NUMBER-OF-SHARES-REDEEMED> 30,615
<SHARES-REINVESTED> 167,416
<NET-CHANGE-IN-ASSETS> 227,671
<ACCUMULATED-NII-PRIOR> 103,557
<ACCUMULATED-GAINS-PRIOR> 232,015
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 5,043
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5,043
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> 2.22
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> 0.10
<PER-SHARE-DIVIDEND> 0.06
<PER-SHARE-DISTRIBUTIONS> 0.16
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 2.13
<EXPENSE-RATIO> 0.30
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEMI-ANNUAL
FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL SERIES FUND, INC. JUNE 30, 1999.
</LEGEND>
<SERIES>
<NUMBER> 07
<NAME> HIGH YIELD BOND PORTFOLIO
<MULTIPLIER> 1000
<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> 184,698
<INVESTMENTS-AT-VALUE> 169,679
<RECEIVABLES> 3,724
<ASSETS-OTHER> 4,980
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 178,383
<PAYABLE-FOR-SECURITIES> 5,276
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 358
<TOTAL-LIABILITIES> 5,634
<SENIOR-EQUITY> 194,734
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 183,750
<SHARES-COMMON-PRIOR> 197,519
<ACCUMULATED-NII-CURRENT> 10,012
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 16,979
<ACCUM-APPREC-OR-DEPREC> (15,018)
<NET-ASSETS> 172,749
<DIVIDEND-INCOME> 1,591
<INTEREST-INCOME> 9,000
<OTHER-INCOME> 0
<EXPENSES-NET> 436
<NET-INVESTMENT-INCOME> 10,155
<REALIZED-GAINS-CURRENT> (13,565)
<APPREC-INCREASE-CURRENT> 4,358
<NET-CHANGE-FROM-OPS> 948
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 198
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 7,331
<NUMBER-OF-SHARES-REDEEMED> 21,310
<SHARES-REINVESTED> 210
<NET-CHANGE-IN-ASSETS> (12,033)
<ACCUMULATED-NII-PRIOR> 55
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 3,414
<GROSS-ADVISORY-FEES> 425
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 444
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> 0.94
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> (0.05)
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 0.94
<EXPENSE-RATIO> 0.49
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEMI-ANNUAL
FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL SERIES FUND, INC. SELECT BOND
PORTFOLIO JUNE 30, 1999.
</LEGEND>
<SERIES>
<NUMBER> 08
<NAME> SELECT BOND PORTFOLIO
<MULTIPLIER> 1000
<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> 303,027
<INVESTMENTS-AT-VALUE> 292,997
<RECEIVABLES> 6,441
<ASSETS-OTHER> 93
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 299,531
<PAYABLE-FOR-SECURITIES> 3,489
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 597
<TOTAL-LIABILITIES> 4,086
<SENIOR-EQUITY> 300,222
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 259,642
<SHARES-COMMON-PRIOR> 238,596
<ACCUMULATED-NII-CURRENT> 9,144
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 3,930
<ACCUM-APPREC-OR-DEPREC> (9,991)
<NET-ASSETS> 295,445
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 9,946
<OTHER-INCOME> 0
<EXPENSES-NET> 440
<NET-INVESTMENT-INCOME> 9,506
<REALIZED-GAINS-CURRENT> 749
<APPREC-INCREASE-CURRENT> (11,485)
<NET-CHANGE-FROM-OPS> (1,230)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 17,828
<DISTRIBUTIONS-OF-GAINS> 7,228
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 15,500
<NUMBER-OF-SHARES-REDEEMED> 16,472
<SHARES-REINVESTED> 22,018
<NET-CHANGE-IN-ASSETS> (2,589)
<ACCUMULATED-NII-PRIOR> 17,466
<ACCUMULATED-GAINS-PRIOR> 2,549
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 440
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 440
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> 1.25
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> (0.04)
<PER-SHARE-DIVIDEND> 0.07
<PER-SHARE-DISTRIBUTIONS> 0.03
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.14
<EXPENSE-RATIO> 0.30
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEMI-ANNUAL
FINANCIAL STATEMENTS OF NORTHWESTERN MUTUAL SERIES FUND, INC. MONEY MARKET
PORTFOLIO JUNE 30, 1999.
</LEGEND>
<SERIES>
<NUMBER> 09
<NAME> MONEY MARKET PORTFOLIO
<MULTIPLIER> 1000
<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> 331,950
<INVESTMENTS-AT-VALUE> 331,950
<RECEIVABLES> 1,242
<ASSETS-OTHER> 104
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 333,296
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,127
<TOTAL-LIABILITIES> 1,127
<SENIOR-EQUITY> 332,169
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 332,181
<SHARES-COMMON-PRIOR> 291,476
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 332,169
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 7,718
<OTHER-INCOME> 0
<EXPENSES-NET> 462
<NET-INVESTMENT-INCOME> 7,256
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 7,256
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 7,256
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 117,832
<NUMBER-OF-SHARES-REDEEMED> 84,383
<SHARES-REINVESTED> 7,256
<NET-CHANGE-IN-ASSETS> 40,705
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 462
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 462
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.02
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0.02
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.30
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL
STATEMENTS OF NORTHWESTERN MUTUAL SERIES FUND, INC. SMALL CAP GROWTH STOCK
PORTFOLIO JUNE 30, 1999.
</LEGEND>
<SERIES>
<NUMBER> 10
<NAME> SMALL CAP GROWTH STOCK PORTFOLIO
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 2-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> APR-30-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 11,355
<INVESTMENTS-AT-VALUE> 12,696
<RECEIVABLES> 587
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 13,283
<PAYABLE-FOR-SECURITIES> 278
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 12
<TOTAL-LIABILITIES> 290
<SENIOR-EQUITY> 11,248
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 10,749
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 385
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,360
<NET-ASSETS> 12,993
<DIVIDEND-INCOME> 1
<INTEREST-INCOME> 12
<OTHER-INCOME> 0
<EXPENSES-NET> 13
<NET-INVESTMENT-INCOME> 0
<REALIZED-GAINS-CURRENT> 385
<APPREC-INCREASE-CURRENT> 1,360
<NET-CHANGE-FROM-OPS> 1,745
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 10,761
<NUMBER-OF-SHARES-REDEEMED> 12
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 12,993
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 11
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 21
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0
<PER-SHARE-GAIN-APPREC> 0.21
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.21
<EXPENSE-RATIO> 1.51
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL
STATEMENTS OF NORTHWESTERN MUTUAL SERIES FUND, INC. INDEX 400 STOCK PORTFOLIO
JUNE 30, 1999.
</LEGEND>
<SERIES>
<NUMBER> 11
<NAME> INDEX 400 STOCK PORTFOLIO
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 2-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> APR-30-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 30,104
<INVESTMENTS-AT-VALUE> 31,551
<RECEIVABLES> 365
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 31,916
<PAYABLE-FOR-SECURITIES> 16
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 15
<TOTAL-LIABILITIES> 31
<SENIOR-EQUITY> 30,337
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 30,236
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 68
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 18
<ACCUM-APPREC-OR-DEPREC> 1,498
<NET-ASSETS> 31,885
<DIVIDEND-INCOME> 50
<INTEREST-INCOME> 33
<OTHER-INCOME> 0
<EXPENSES-NET> 15
<NET-INVESTMENT-INCOME> 68
<REALIZED-GAINS-CURRENT> (18)
<APPREC-INCREASE-CURRENT> 1,498
<NET-CHANGE-FROM-OPS> 1,548
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 30,249
<NUMBER-OF-SHARES-REDEEMED> 13
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 31,885
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 11
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 25
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.00
<PER-SHARE-GAIN-APPREC> 0.05
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.05
<EXPENSE-RATIO> 0.55
</TABLE>
