PAGE 1 000 B000000 09/30/2008 000 C000000 910068 000 D000000 N 000 E000000 NF 000 F000000 Y 000 G000000 N 000 H000000 N 000 I000000 6.1 000 J000000 A 001 A000000 WESTERN ASSET HIGH INCOME OPP. FUND INC. 001 B000000 811-7920 001 C000000 8004512010 002 A000000 55 WATER STREET, 32ND FLOOR 002 B000000 NEW YORK 002 C000000 NY 002 D010000 10041 003 000000 N 004 000000 N 005 000000 N 006 000000 N 007 A000000 N 007 B000000 0 007 C010100 1 008 A000001 LEGG MASON PARTNERS FUND ADVISOR, LLC 008 B000001 A 008 C000001 801-66785 008 D010001 NEW YORK 008 D020001 NY 008 D030001 10018 008 A000002 WESTERN ASSET MANAGEMENT COMPANY 008 B000002 S 008 C000002 801-08162 008 D010002 PASADENA 008 D020002 CA 008 D030002 91105 008 A000003 WESTERN ASSET MANAGEMENT CO. LTD. 008 B000003 S 008 C000003 801-00000 008 D010003 LONDON 008 D050003 ENGLAND 008 D060003 EC2M3X6 012 A000001 AMERICAN STOCK TRANSFER & TRUST COMPANY 012 B000001 84-00416 012 C010001 NEW YORK 012 C020001 NY 012 C030001 10038 013 A000001 KPMG LLP 013 B010001 NEW YORK 013 B020001 NY 013 B030001 10154 015 A000001 STATE STREET BANK AND TRUST COMPANY PAGE 2 015 B000001 C 015 C010001 BOSTON 015 C020001 MA 015 C030001 02110 015 E010001 X 018 000000 Y 019 A000000 Y 019 B000000 149 019 C000000 LMPARTNERS 021 000000 0 022 A000001 MORGAN STANLEY 022 B000001 13-2655998 022 C000001 2124556 022 D000001 24135 022 A000002 JPMORGAN CHASE & CO. 022 B000002 13-3224016 022 C000002 57323 022 D000002 54910 022 A000003 CREDIT SUISSE SECURITIES (USA) LLC 022 B000003 05-0546650 022 C000003 44002 022 D000003 53197 022 A000004 BANC OF AMERICA SECURITIES LLC 022 B000004 56-2058405 022 C000004 23381 022 D000004 17412 022 A000005 LEHMAN BROTHERS, INC. 022 B000005 13-2518466 022 C000005 24327 022 D000005 8267 022 A000006 DEUTSCHE BANK SECURITIES LLC 022 B000006 13-2730828 022 C000006 12954 022 D000006 17749 022 A000007 CITIGROUP GLOBAL MARKETS, INC. 022 B000007 11-2418191 022 C000007 17243 022 D000007 9606 022 A000008 GOLDMAN SACHS & CO. 022 B000008 13-5108880 022 C000008 17618 022 D000008 4342 022 A000009 BARCLAYS CAPITAL INC. 022 B000009 06-1031656 022 C000009 8047 022 D000009 8487 022 A000010 MERRILL LYNCH, PIERCE, FENNER & SMITH, INC. 022 B000010 13-5674085 022 C000010 6913 022 D000010 7616 023 C000000 2354198 PAGE 3 023 D000000 232446 024 000000 Y 025 A000001 BANC OF AMERICA SECURITIES LLC 025 B000001 56-2058405 025 C000001 E 025 D000001 2539 025 A000002 CITIGROUP GLOBAL MARKETS, INC. 025 B000002 11-2418191 025 C000002 D 025 D000002 1343 025 A000003 CITIGROUP GLOBAL MARKETS, INC. 025 B000003 11-2418191 025 C000003 E 025 D000003 1029 025 A000004 MORGAN STANLEY 025 B000004 13-2655998 025 C000004 D 025 D000004 994 026 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 028 A010000 0 028 A020000 0 028 A030000 0 028 A040000 0 028 B010000 0 028 B020000 0 028 B030000 0 028 B040000 0 028 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 PAGE 4 028 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 Y 048 000000 0.800 048 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 PAGE 5 048 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 Y 054 D000000 N 054 E000000 N 054 F000000 N 054 G000000 Y 054 H000000 Y 054 I000000 N 054 J000000 Y 054 K000000 N 054 L000000 Y 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 1.8 062 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 1.2 062 M000000 0.0 062 N000000 0.0 062 O000000 0.0 062 P000000 90.1 062 Q000000 3.3 062 R000000 1.1 063 A000000 0 063 B000000 8.1 064 A000000 N PAGE 6 064 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 Y 070 B010000 N 070 B020000 N 070 C010000 Y 070 C020000 Y 070 D010000 N 070 D020000 N 070 E010000 N 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 Y 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 N 070 O020000 N 070 P010000 N 070 P020000 N 070 Q010000 N 070 Q020000 N 070 R010000 N 070 R020000 N 071 A000000 248940 071 B000000 258218 071 C000000 460315 071 D000000 54 072 A000000 12 072 B000000 47292 072 C000000 465 072 D000000 0 PAGE 7 072 E000000 0 072 F000000 3843 072 G000000 0 072 H000000 0 072 I000000 10 072 J000000 15 072 K000000 0 072 L000000 78 072 M000000 85 072 N000000 61 072 O000000 118 072 P000000 0 072 Q000000 0 072 R000000 41 072 S000000 88 072 T000000 0 072 U000000 0 072 V000000 0 072 W000000 21 072 X000000 4360 072 Y000000 1 072 Z000000 43398 072AA000000 0 072BB000000 16109 072CC010000 0 072CC020000 91797 072DD010000 41769 072DD020000 0 072EE000000 0 073 A010000 0.5650 073 A020000 0.0000 073 B000000 0.0000 073 C000000 0.0000 074 A000000 1 074 B000000 7417 074 C000000 4746 074 D000000 386564 074 E000000 4349 074 F000000 0 074 G000000 0 074 H000000 0 074 I000000 0 074 J000000 2953 074 K000000 0 074 L000000 12889 074 M000000 38 074 N000000 418957 074 O000000 4778 074 P000000 309 074 Q000000 0 074 R010000 0 PAGE 8 074 R020000 0 074 R030000 123 074 R040000 174 074 S000000 0 074 T000000 413573 074 U010000 73927 074 U020000 0 074 V010000 5.59 074 V020000 0.00 074 W000000 0.0000 074 X000000 29176 074 Y000000 0 075 A000000 0 075 B000000 479057 076 000000 4.34 077 A000000 Y 077 B000000 Y 078 000000 N 080 A000000 ICI Mutual Insurance Company 080 C000000 100000 081 A000000 Y 081 B000000 148 082 A000000 Y 082 B000000 250 083 A000000 N 083 B000000 0 084 A000000 N 084 B000000 0 085 A000000 Y 085 B000000 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 0 087 A010000 High Income Opportunity Fund Inc. 087 A020000 95766K109 087 A030000 HIO 088 A000000 N 088 B000000 N 088 C000000 N 088 D000000 N SIGNATURE KAPREL OZSOLAK TITLE TREASURER