HYF Managed High Yield Plus Fund, Inc.

000 B000000 05/31/2013
000 C000000 0001060392
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 MANAGED HIGH YIELD PLUS FUND INC.
001 B000000 811-08765
001 C000000 2128213000
002 A000000 1285 AVENUE OF THE AMERICAS
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10019
002 D020000 6028
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 N
007 B000000  0
007 C010100  1
008 A000001 UBS GLOBAL ASSET MANAGEMENT (AMERICAS), INC.
008 B000001 A
008 C000001 801-34910
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10019
008 D040001 6028
010 A000001 UBS GLOBAL ASSET MANAGEMENT (AMERICAS) INC.
010 B000001 801-34910
010 C010001 NEW YORK
010 C020001 NY
010 C030001 10019
010 C040001 6028
012 A000001 BNY Mellon Investment Servicing (US) Inc.
012 B000001 84-1761
012 C010001 Pittsburgh
012 C020001 PA
012 C030001 15252
012 C040001 8035
013 A000001 ERNST & YOUNG LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10036
014 A000001 OOO UBS BANK
014 B000001 8-000000
014 A000002 UBS (LUXEMBOURG) S.A.
014 B000002 8-000000

014 A000003 UBS BELGIUM SA/NV
014 B000003 8-000000
014 A000004 UBS DEUTSCHLAND AG
014 B000004 8-000000
014 A000005 UBS FINANCIAL SERVICES INC.
014 B000005 8-016267
014 A000006 UBS FUND SERVICES (IRELAND) LIMITED
014 B000006 8-000000
014 A000007 UBS GLOBAL ASSET MANAGEMENT (US) INC.
014 B000007 8-021901
014 A000008 UBS GLOBAL ASSET MANAGEMENT FUNDS LTD
014 B000008 8-000000
014 A000009 UBS ITALIA SIM SPA
014 B000009 8-000000
014 A000010 UBS LIMITED
014 B000010 8-000000
014 A000011 UBS MENKUL DEGERLER AS
014 B000011 8-000000
014 A000012 UBS NEW ZEALAND LTD
014 B000012 8-000000
014 A000013 UBS SECURITIES AUSTRALIA LTD
014 B000013 8-000000
014 A000014 UBS SECURITIES CANADA INC
014 B000014 8-000000
014 A000015 UBS SECURITIES FRANCE S.A.
014 B000015 8-000000
014 A000016 UBS SECURITIES INDIA PRIVATE LTD
014 B000016 8-000000
014 A000017 UBS SECURITIES JAPAN LTD
014 B000017 8-000000
014 A000018 UBS SECURITIES LLC
014 B000018 8-022651
014 A000019 UBS SECURITIES MALAYSIA
014 B000019 8-000000
014 A000020 UBS SECURITIES SINGAPORE PTE. LTD.
014 B000020 8-000000
014 A000021 UBS SECURITIES PTE. LTD. SEOUL BRANCH
014 B000021 8-000000
014 A000022 UBS FUND SERVICES (USA) LLC
014 B000022 8-000000
014 A000023 UBS SOUTH AFRICA (PTY) LIMITED
014 B000023 8-000000
014 A000024 UBS AG
014 B000024 8-000000
014 A000025 UBS INVESTMENT BANK
014 B000025 8-000000
014 A000026 UBS SECURITIES ESPANA SV SA
014 B000026 8-000000
014 A000027 UBS SECURITIES ASIA LIMITED
014 B000027 8-000000
014 A000028 UBS SECURITIES PTE. LTD.

014 B000028 8-000000
014 A000029 UBS AG DUBAI BRANCH
014 B000029 8-000000
014 A000030 UBS SECURITIES CJSC
014 B000030 8-000000
014 A000031 ZAO UBS SECURITIES
014 B000031 8-000000
014 A000032 UBS TRADING SA
014 B000032 8-000000
014 A000033 UBS (LUXEMBOURG) S.A. AUSTRIA BRANCH
014 B000033 8-000000
014 A000034 UBS ASESORES MEXICO S.A. DE C.V.
014 B000034 8-000000
014 A000035 UBS FUND SERVICES (CAYMAN) LTD
014 B000035 8-000000
014 A000036 OTCDeriv Limited
014 B000036 8-000000
014 A000037 SIX Group AG
014 B000037 8-000000
014 A000038 TheMarkets LLC
014 B000038 8-000000
014 A000039 Turquoise Global Holdings Limited
014 B000039 8-000000
014 A000040 UNX Companies LLC
014 B000040 8-000000
014 A000041 Volbroker.Com Limited
014 B000041 8-000000
014 A000042 Yieldbroker Pty Limited
014 B000042 8-000000
014 A000043 Bell Financial Group Ltd
014 B000043 8-000000
014 A000044 Bids LLC
014 B000044 8-000000
014 A000045 Bonds.com Group Inc.
014 B000045 8-000000
014 A000046 Equilend
014 B000046 8-000000
014 A000047 Hyannis Port Research Inc.
014 B000047 8-000000
014 A000048 ICAP IEB Z Limited
014 B000048 8-000000
014 A000049 Manatara Inc.
014 B000049 8-000000
015 A000001 STATE STREET BANK & TRUST CO.
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02110
015 E010001 X
015 A000002 CANADA SELF CUSTODY - CDSX
015 B000002 S

015 C010002 TORONTO
015 D010002 CANADA
015 E040002 X
015 A000003 CANADA SELF CUSTODY - PHYSICAL
015 B000003 S
015 C010003 TORONTO
015 D010003 CANADA
015 E040003 X
015 A000004 CLEARSTREAM BANKING SA
015 B000004 S
015 C010004 LUXEMBOURG
015 D010004 LUXEMBOURG
015 E040004 X
015 A000005 DEUTSCHE BANK AG FRANKFURT
015 B000005 S
015 C010005 FRANKFURT
015 D010005 GERMANY
015 E040005 X
015 A000006 STATE STREET BANK LONDON - CREST
015 B000006 S
015 C010006 LONDON
015 D010006 UNITED KINGDOM
015 E040006 X
015 A000007 STATE STREET BANK LONDON - PHYSICAL
015 B000007 S
015 C010007 LONDON
015 D010007 UNITED KINGDOM
015 E040007 X
015 A000008 FirstRand Bank Limited
015 B000008 S
015 C010008 South Africa
015 D010008 South Africa
015 E040008 X
018  000000 Y
019 A000000 Y
019 B000000   80
019 C000000 UBSGLOBLAM
021  000000        0
022 A000001 STATE STREET BANK & TRUST CO.
022 B000001 04-1867445
022 C000001   1743709
022 D000001         0
022 A000002 BANK OF AMERICA
022 B000002 95-4035346
022 C000002     33974
022 D000002     10460
022 A000003 BARCLAYS BANK PLC
022 B000003 13-3551367
022 C000003     20537
022 D000003      8103
022 A000004 JP MORGAN CHASE & CO.

022 B000004 13-3224016
022 C000004     13086
022 D000004      6639
022 A000005 TENDER OFFER
022 B000005 00-0000000
022 C000005         0
022 D000005     19008
022 A000006 DEUTSCHE BANK SECURITIES
022 B000006 13-3124068
022 C000006      6417
022 D000006      5954
022 A000007 WELLS FARGO & CO.
022 B000007 94-1347393
022 C000007      4979
022 D000007      6402
022 A000008 MORGAN STANLEY & CO.
022 B000008 13-2655998
022 C000008      8019
022 D000008      3248
022 A000009 GOLDMAN SACHS & CO
022 B000009 13-5108880
022 C000009      4429
022 D000009      4925
022 A000010 CITIGROUP GLOBAL MARKETS
022 B000010 13-8008177
022 C000010      6463
022 D000010      2339
023 C000000    1864290
023 D000000      77541
024  000000 Y
025 A000001 STATE STREET BANK & TRUST CO.
025 B000001 04-1867445
025 C000001 D
025 D000001    5790
025 A000002 BANK OF AMERICA
025 B000002 95-4035346
025 C000002 D
025 D000002     286
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
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  0.700
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 Y
053 B000000 Y
053 C000000 N
054 A000000 Y
054 B000000 Y
054 C000000 N
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 N
054 M000000 Y
054 N000000 N
054 O000000 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   4.1
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   0.0
062 P000000 136.0
062 Q000000   0.0
062 R000000   0.0
063 A000000   0
063 B000000  3.9
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 Y
070 B010000 Y
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 Y
070 E020000 N
070 F010000 Y
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 Y
070 H020000 N
070 I010000 Y
070 I020000 N
070 J010000 Y
070 J020000 N
070 K010000 Y
070 K020000 N
070 L010000 Y

070 L020000 Y
070 M010000 Y
070 M020000 Y
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 Y
070 P010000 Y
070 P020000 N
070 Q010000 Y
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000    120516
071 B000000     89501
071 C000000    177161
071 D000000   51
072 A000000 12
072 B000000    13310
072 C000000        0
072 D000000        0
072 E000000        0
072 F000000     1312
072 G000000        0
072 H000000        0
072 I000000       13
072 J000000       49
072 K000000       40
072 L000000       36
072 M000000       16
072 N000000        0
072 O000000        0
072 P000000      530
072 Q000000        0
072 R000000       94
072 S000000       64
072 T000000        0
072 U000000        0
072 V000000        0
072 W000000       77
072 X000000     2230
072 Y000000      281
072 Z000000    11360
072AA000000     3311
072BB000000        0
072CC010000     6841
072CC020000        0
072DD010000    11261
072DD020000        0
072EE000000        0
073 A010000   0.1812

073 A020000   0.0000
073 B000000   0.0000
073 C000000   0.0000
074 A000000        2
074 B000000     5790
074 C000000        0
074 D000000   192375
074 E000000        0
074 F000000        0
074 G000000        0
074 H000000        0
074 I000000        0
074 J000000     1712
074 K000000        0
074 L000000     3705
074 M000000       57
074 N000000   203642
074 O000000     1675
074 P000000       94
074 Q000000    60000
074 R010000        0
074 R020000        0
074 R030000        0
074 R040000      405
074 S000000        0
074 T000000   141468
074 U010000    62153
074 U020000        0
074 V010000     2.28
074 V020000     0.00
074 W000000   0.0000
074 X000000      161
074 Y000000   141475
075 A000000        0
075 B000000   137846
076  000000     2.12
077 A000000 Y
077 B000000 Y
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 Y

077 P000000 N
077 Q010000 N
077 Q020000 Y
077 Q030000 N
078  000000 N
080 A000000 ICI Mutual Insurance Co.
080 C000000    70000
081 A000000 Y
081 B000000  91
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     29
086 A020000     62
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 561911108
087 A030000 HYF
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 N
SIGNATURE   THOMAS DISBROW
TITLE       TREASURER