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<PAGE> PAGE 13
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061 000500 1000000
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066 D000500 N
066 E000500 N
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<PAGE> PAGE 21
068 B000500 N
069 000500 N
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070 B020500 N
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070 D010500 Y
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070 E010500 Y
070 E020500 N
070 F010500 Y
070 F020500 N
070 G010500 Y
070 G020500 N
070 H010500 Y
070 H020500 N
070 I010500 Y
070 I020500 N
070 J010500 Y
070 J020500 N
070 K010500 Y
070 K020500 N
070 L010500 Y
070 L020500 Y
070 M010500 Y
070 M020500 Y
070 N010500 Y
070 N020500 N
070 O010500 Y
070 O020500 N
070 P010500 Y
070 P020500 N
070 Q010500 Y
070 Q020500 N
070 R010500 Y
070 R020500 N
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071 B000500 45961
071 C000500 52787
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072 A000500 6
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<PAGE> PAGE 22
072 J000500 14
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072 Z000500 269
072AA000500 8733
072BB000500 2218
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<PAGE> PAGE 23
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015 A000601 PFPC TRUST CO.
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015 A000602 STATE STREET BANK & TRUST CO.
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019 C000600 WARBURG PI
024 000600 N
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<PAGE> PAGE 24
028 E010600 0
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045 000600 Y
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058 A000600 N
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060 A000600 Y
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061 000600 1000000
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066 G000600 N
<PAGE> PAGE 25
067 000600 N
068 A000600 N
068 B000600 N
069 000600 N
070 A010600 Y
070 A020600 Y
070 B010600 Y
070 B020600 N
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070 C020600 N
070 D010600 Y
070 D020600 N
070 E010600 Y
070 E020600 N
070 F010600 Y
070 F020600 N
070 G010600 Y
070 G020600 N
070 H010600 Y
070 H020600 N
070 I010600 Y
070 I020600 N
070 J010600 Y
070 J020600 N
070 K010600 Y
070 K020600 N
070 L010600 Y
070 L020600 N
070 M010600 Y
070 M020600 N
070 N010600 Y
070 N020600 N
070 O010600 Y
070 O020600 N
070 P010600 Y
070 P020600 N
070 Q010600 Y
070 Q020600 N
070 R010600 Y
070 R020600 N
071 A000600 749
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<PAGE> PAGE 26
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<PAGE> PAGE 27
074 S000600 0
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015 A000701 PFPC TRUST CO.
015 B000701 C
015 C010701 PHILADELPHIA
015 C020701 PA
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015 A000702 STATE STREET BANK & TRUST CO.
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015 C020702 MA
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019 C000700 WARBURG PI
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<PAGE> PAGE 28
028 D030700 0
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<PAGE> PAGE 29
066 F000700 N
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<PAGE> PAGE 30
072 F000700 6
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<PAGE> PAGE 31
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015 A000801 PFPC TRUST CO.
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015 A000802 STATE STREET BANK & TRUST CO.
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<PAGE> PAGE 32
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<PAGE> PAGE 33
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<PAGE> PAGE 34
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<PAGE> PAGE 35
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SIGNATURE MARY JANE MALONEY
TITLE MANAGER
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<NAME> WARBURG, PINCUS INSTITUTIONAL FUND, INC.
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<CIK> 0000887589
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EXHIBIT INDEX
Exhibit A: Attachment to item 77D:
Policies with respect to security investments
- -------------------------------------------------------
Exhibit A:
Sub-Item 77D
Warburg, Pincus Institutional Fund, Inc.
Previously filed and contained in the Fund's registration
statement on Form N-1A (SEC File No. 33-47880) filed on
December 23, 1998.
