PAGE 1 000 A000000 06/30/2010 000 C000000 0000894239 000 D000000 N 000 E000000 NF 000 F000000 Y 000 G000000 N 000 H000000 N 000 I000000 6.1 000 J000000 A 001 A000000 DUFF & PHELPS UTILITY & CORP. BOND TRUST INC. 001 B000000 811-07358 001 C000000 8003388214 002 A000000 200 SOUTH WACKER DRIVE SUITE 500 002 B000000 CHICAGO 002 C000000 IL 002 D010000 60606 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 DUFF & PHELPS INVESTMENT MANAGEMENT CO. 008 B000001 A 008 C000001 801-14813 008 D010001 CHICAGO 008 D020001 IL 008 D030001 60606 010 A000001 PRINCETON ADMINISTRATORS, LLC 010 C010001 PLAINSBORO 010 C020001 NJ 010 C030001 08536 011 A000001 MERRILL LYNCH, PIERCE, FENNER & SMITH INC. 011 B000001 8-7221 011 C010001 NEW YORK 011 C020001 NY 011 C030001 10080 011 A000002 EDWARDS (A.G.) & SONS, INC. 011 B000002 8-13580 011 C010002 ST. LOUIS 011 C020002 MO PAGE 2 011 C030002 63103 011 A000003 PAINEWEBBER INCORPORATED 011 B000003 8-16267 011 C010003 NEW YORK 011 C020003 NY 011 C030003 10019 011 A000004 PRUDENTIAL SECURITIES INCORPORATED 011 B000004 8-27154 011 C010004 NEWARK 011 C020004 NJ 011 C030004 07101 011 A000005 ADVEST, INC. 011 B000005 8-21409 011 C010005 HARTFORD 011 C020005 CT 011 C030005 06103 011 A000006 DAIN BOSWORTH INCORPORATED 011 B000006 8-3259 011 C010006 MINNEAPOLIS 011 C020006 MN 011 C030006 55402 011 A000007 HILLIARD (J.J.B.), LYONS (W.L.), INC. 011 B000007 8-33133 011 C010007 LOUISVILLE 011 C020007 KY 011 C030007 40202 011 A000008 JANNEY MONTGOMERY SCOTT INC. 011 B000008 8-462 011 C010008 PHILADELPHIA 011 C020008 PA 011 C030008 19103 011 A000009 LEGG MASON WOOD WALKER, INC. 011 B000009 8-15939 011 C010009 BALTIMORE 011 C020009 MD 011 C030009 21202 012 A000001 BNY MELLON SHAREOWNER SERVICES 012 B000001 85-05006 012 C010001 PITTSBURGH 012 C020001 PA 012 C030001 15252 013 A000001 ERNST & YOUNG LLP 013 B010001 CHICAGO 013 B020001 IL 013 B030001 60606 014 A000001 VP DISTRIBUTORS, INC. 014 B000001 8-14100 015 A000001 THE BANK OF NEW YORK MELLON CORPORATION 015 B000001 C 015 C010001 LAKE MARY 015 C020001 FL PAGE 3 015 C030001 32746 015 E010001 X 018 000000 Y 019 A000000 Y 019 B000000 3 019 C000000 DUFFPHELPS 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 WELLS FARGO ADVISORS, LLC 022 B000001 54-0796506 022 C000001 44185 022 D000001 6084 022 A000002 CREDIT SUISSE SECURITIES (USA) L.L.C. 022 B000002 13-5659485 022 C000002 18173 022 D000002 10052 022 A000003 JEFFERIES & COMPANY, INC. 022 B000003 95-2622900 022 C000003 12932 022 D000003 5031 022 A000004 BANC OF AMERICA SECURITIES LLC 022 B000004 56-2058405 022 C000004 16855 022 D000004 1001 022 A000005 DEUTSCHE BANK SECURITIES INC. 022 B000005 13-2730828 022 C000005 13367 022 D000005 0 022 A000006 CHAPDELAINE & CO. 022 C000006 5904 022 D000006 0 022 A000007 UBS SECURITIES LLC 022 B000007 13-3873456 022 C000007 2269 022 D000007 0 022 C000008 0 022 D000008 0 022 C000009 0 022 D000009 0 022 C000010 0 022 D000010 0 023 C000000 113685 PAGE 4 023 D000000 22168 024 000000 N 026 A000000 N 026 B000000 Y 026 C000000 N 026 D000000 Y 026 E000000 N 026 F000000 N 026 G010000 N 026 G020000 N 026 H000000 N 027 000000 N 045 000000 Y 046 000000 N 047 000000 Y 048 000000 0.500 048 A010000 0 048 A020000 0.000 048 B010000 0 048 B020000 0.000 048 C010000 0 048 C020000 0.000 048 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 N 053 A000000 N 054 A000000 Y 054 B000000 Y 054 C000000 N 054 D000000 N 054 E000000 N 054 F000000 N 054 G000000 N 054 H000000 Y PAGE 5 054 I000000 N 054 J000000 Y 054 K000000 N 054 L000000 N 054 M000000 Y 054 N000000 N 055 A000000 N 055 B000000 Y 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 0.0 062 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 8.1 062 N000000 1.9 062 O000000 0.0 062 P000000 136.2 062 Q000000 1.8 062 R000000 4.9 063 A000000 0 063 B000000 5.5 064 A000000 N 064 B000000 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 PAGE 6 070 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 Y 070 L020000 Y 070 M010000 Y 070 M020000 N 070 N010000 Y 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 113685 071 B000000 95788 071 C000000 496717 071 D000000 19 072 A000000 6 072 B000000 11903 072 C000000 601 072 D000000 0 072 E000000 0 072 F000000 1271 072 G000000 240 072 H000000 0 072 I000000 18 072 J000000 26 072 K000000 0 072 L000000 38 072 M000000 98 072 N000000 12 072 O000000 0 072 P000000 691 072 Q000000 0 072 R000000 29 072 S000000 49 072 T000000 0 PAGE 7 072 U000000 0 072 V000000 0 072 W000000 582 072 X000000 3054 072 Y000000 0 072 Z000000 9450 072AA000000 2096 072BB000000 0 072CC010000 8540 072CC020000 0 072DD010000 11438 072DD020000 0 072EE000000 0 073 A010000 0.4200 073 A020000 0.0000 073 B000000 0.0000 073 C000000 0.0000 074 A000000 8733 074 B000000 0 074 C000000 0 074 D000000 484240 074 E000000 15915 074 F000000 0 074 G000000 0 074 H000000 0 074 I000000 0 074 J000000 0 074 K000000 0 074 L000000 8540 074 M000000 6 074 N000000 517434 074 O000000 0 074 P000000 232 074 Q000000 95000 074 R010000 0 074 R020000 0 074 R030000 0 074 R040000 147 074 S000000 95000 074 T000000 327055 074 U010000 27268 074 U020000 0 074 V010000 11.99 074 V020000 0.00 074 W000000 0.0000 074 X000000 22238 074 Y000000 0 075 A000000 0 075 B000000 322608 076 000000 12.46 077 A000000 N PAGE 8 078 000000 N 086 A010000 61 086 A020000 731 086 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 26432K108 087 A030000 DUC 088 A000000 Y 088 B000000 N 088 C000000 Y 088 D000000 Y SIGNATURE PAUL CHAYTOR TITLE ACCOUNTING MANAGER