PAGE 1 000 B000000 10/31/2005 000 C000000 0000833251 000 D000000 N 000 E000000 NF 000 F000000 Y 000 G000000 N 000 H000000 N 000 I000000 6.1 000 J000000 A 001 A000000 NUVEEN PREMIUM INCOME MUNICIPAL FUND, INC. 001 B000000 811-05570 001 C000000 3129178200 002 A000000 333 WEST WACKER DRIVE 002 B000000 CHICAGO 002 C000000 IL 002 D010000 60606 002 D020000 1286 003 000000 N 004 000000 N 005 000000 N 006 000000 N 007 A000000 N 007 B000000 0 007 C010100 1 007 C010200 2 007 C010300 3 007 C010400 4 007 C010500 5 007 C010600 6 007 C010700 7 007 C010800 8 007 C010900 9 007 C011000 10 008 A000001 NUVEEN ASSET MANAGEMENT 008 B000001 A 008 C000001 801-14147 008 D010001 CHICAGO 008 D020001 IL 008 D030001 60606 008 D040001 1286 011 A000001 DELETE 011 A000002 DELETE 011 A000003 DELETE 011 A000004 DELETE 011 A000005 DELETE 011 A000006 DELETE 012 A000001 EQUISERVE INC. 012 B000001 84-05925 012 C010001 PROVIDENCE 012 C020001 RI 012 C030001 02940 PAGE 2 013 A000001 ERNST & YOUNG LLP 013 B010001 CHICAGO 013 B020001 IL 013 B030001 60606 014 A000001 NUVEEN INVESTMENTS, LLC 014 B000001 8-13464 015 A000001 STATE STREET BANK AND TRUST COMPANY 015 B000001 C 015 C010001 BOSTON 015 C020001 MA 015 C030001 02110 015 E010001 X 015 A000002 DELETE 015 A000003 DELETE 015 A000004 DELETE 015 A000005 DELETE 015 A000006 DELETE 015 A000007 DELETE 018 000000 Y 019 A000000 Y 019 B000000 155 019 C000000 NUVEENFUND 020 C000001 0 020 C000002 0 020 C000003 0 020 C000004 0 020 C000005 0 020 C000006 0 020 C000007 0 020 C000008 0 020 C000009 0 020 C000010 0 021 000000 0 022 A000001 CITIGROUP GLOBAL MARKETS, INC. 022 B000001 13-3214963 022 C000001 45345 022 D000001 29116 022 A000002 GOLDMAN SACHS 022 B000002 13-5108880 022 C000002 46012 022 D000002 4111 022 A000003 MORGAN STANLEY DEAN WITTER 022 B000003 13-2655998 022 C000003 42008 022 D000003 0 022 A000004 MERRILL LYNCH 022 B000004 13-5674085 022 C000004 23249 022 D000004 16719 022 A000005 BEAR STEARNS 022 B000005 13-3604093 PAGE 3 022 C000005 23933 022 D000005 15037 022 A000006 WACHOVIA SECURITIES 022 B000006 56-0927594 022 C000006 17114 022 D000006 15767 022 A000007 BANK OF AMERICA 022 B000007 56-2058405 022 C000007 10095 022 D000007 22272 022 A000008 UBS FINANCIAL SERVICES 022 B000008 13-2638166 022 C000008 32280 022 D000008 0 022 A000009 RBC DOMINION SECURITIES 022 B000009 13-5033225 022 C000009 12150 022 D000009 15651 022 A000010 RAYMOND JAMES 022 B000010 59-1237041 022 C000010 1020 022 D000010 17323 023 C000000 304935 023 D000000 299184 024 000000 N 025 D000001 0 025 D000002 0 025 D000003 0 025 D000004 0 025 D000005 0 025 D000006 0 025 D000007 0 025 D000008 0 026 A000000 N 026 B000000 N 026 C000000 N 026 D000000 Y 026 E000000 N 026 F000000 N 026 G010000 N 026 G020000 N 026 H000000 N 027 000000 N 028 A010000 0 028 A020000 0 028 A030000 0 028 A040000 0 028 B010000 0 028 B020000 0 028 B030000 0 028 B040000 0 PAGE 4 028 C010000 0 028 C020000 0 028 C030000 0 028 C040000 0 028 D010000 0 028 D020000 0 028 D030000 0 028 D040000 0 028 E010000 0 028 E020000 0 028 E030000 0 028 E040000 0 028 F010000 0 028 F020000 0 028 F030000 0 028 F040000 0 028 G010000 0 028 G020000 0 028 G030000 0 028 G040000 0 028 H000000 0 030 A000000 0 030 B000000 0.00 030 C000000 0.00 031 A000000 0 031 B000000 0 032 000000 0 033 000000 0 035 000000 0 036 B000000 0 038 000000 0 042 A000000 0 042 B000000 0 042 C000000 0 042 D000000 0 042 E000000 0 042 F000000 0 042 G000000 0 042 H000000 0 043 000000 0 044 000000 0 045 000000 Y 046 000000 N 047 000000 N 048 000000 0.000 048 A010000 0 048 A020000 0.000 048 B010000 0 048 B020000 0.000 048 C010000 0 048 C020000 0.000 PAGE 5 048 D010000 0 048 D020000 0.000 048 E010000 0 048 E020000 0.000 048 F010000 0 048 F020000 0.000 048 G010000 0 048 G020000 0.000 048 H010000 0 048 H020000 0.000 048 I010000 0 048 I020000 0.000 048 J010000 0 048 J020000 0.000 048 K010000 0 048 K020000 0.000 049 000000 N 050 000000 N 051 000000 N 052 000000 Y 053 A000000 Y 053 B000000 Y 053 C000000 N 054 A000000 Y 054 B000000 N 054 C000000 N 054 D000000 N 054 E000000 N 054 F000000 N 054 G000000 N 054 H000000 Y 054 I000000 N 054 J000000 Y 054 K000000 N 054 L000000 N 054 M000000 Y 054 N000000 N 054 O000000 Y 055 A000000 Y 055 B000000 N 056 000000 Y 057 000000 N 058 A000000 N 059 000000 Y 060 A000000 Y 060 B000000 Y 061 000000 0 062 A000000 Y 062 B000000 0.0 062 C000000 0.0 062 D000000 0.0 PAGE 6 062 E000000 0.0 062 F000000 0.0 062 G000000 0.0 062 H000000 0.0 062 I000000 0.0 062 J000000 0.0 062 K000000 0.0 062 L000000 0.0 062 M000000 0.0 062 N000000 0.0 062 O000000 154.6 062 P000000 0.0 062 Q000000 0.0 062 R000000 0.0 063 A000000 0 063 B000000 8.2 064 A000000 Y 064 B000000 Y 065 000000 N 066 A000000 N 067 000000 N 068 A000000 N 068 B000000 N 069 000000 N 070 A010000 Y 070 A020000 N 070 B010000 N 070 B020000 N 070 C010000 Y 070 C020000 N 070 D010000 N 070 D020000 N 070 E010000 Y 070 E020000 N 070 F010000 N 070 F020000 N 070 G010000 Y 070 G020000 N 070 H010000 N 070 H020000 N 070 I010000 N 070 I020000 N 070 J010000 Y 070 J020000 N 070 K010000 N 070 K020000 N 070 L010000 N 070 L020000 N 070 M010000 N 070 M020000 N 070 N010000 N PAGE 7 070 N020000 N 070 O010000 Y 070 O020000 Y 070 P010000 N 070 P020000 N 070 Q010000 N 070 Q020000 N 070 R010000 N 070 R020000 N 071 A000000 304935 071 B000000 299184 071 C000000 1481274 071 D000000 20 072 A000000 12 072 B000000 73940 072 C000000 0 072 D000000 0 072 E000000 0 072 F000000 9071 072 G000000 0 072 H000000 0 072 I000000 235 072 J000000 338 072 K000000 40 072 L000000 80 072 M000000 26 072 N000000 0 072 O000000 0 072 P000000 0 072 Q000000 0 072 R000000 44 072 S000000 83 072 T000000 0 072 U000000 0 072 V000000 0 072 W000000 1605 072 X000000 11522 072 Y000000 131 072 Z000000 62549 072AA000000 15187 072BB000000 0 072CC010000 0 072CC020000 31573 072DD010000 57981 072DD020000 0 072EE000000 0 073 A010000 0.9090 073 A020000 0.0000 073 B000000 0.0000 073 C000000 0.0000 074 A000000 0 PAGE 8 074 B000000 0 074 C000000 0 074 D000000 1464309 074 E000000 0 074 F000000 0 074 G000000 0 074 H000000 0 074 I000000 0 074 J000000 1802 074 K000000 0 074 L000000 22664 074 M000000 94 074 N000000 1488869 074 O000000 11855 074 P000000 762 074 Q000000 0 074 R010000 0 074 R020000 0 074 R030000 0 074 R040000 3806 074 S000000 525000 074 T000000 947446 074 U010000 63785 074 U020000 0 074 V010000 14.85 074 V020000 0.00 074 W000000 0.0000 074 X000000 5852 074 Y000000 54842 075 A000000 0 075 B000000 969403 076 000000 13.87 077 A000000 Y 077 B000000 Y 077 C000000 Y 077 Q010000 Y 078 000000 N 080 A000000 CHUBB GROUP OF INSURANCE COMPANIES 080 B000000 QUANTA INDEMNITY, AIG, GREAT AMERICAN & CNA 080 C000000 100000 081 A000000 Y 081 B000000 154 082 A000000 N 082 B000000 0 083 A000000 N 083 B000000 0 084 A000000 N 084 B000000 0 085 A000000 Y 085 B000000 N 086 A010000 0 PAGE 9 086 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 0 087 A010000 COMMON STOCK 087 A020000 67062T100 087 A030000 NPI 088 A000000 N 088 B000000 N 088 C000000 N 088 D000000 Y SIGNATURE STEPHEN D. FOY TITLE V.P. & CONTROLLER