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Form NSAR-B AB CORE OPPORTUNITIES For: Nov 30

January 26, 2018 3:45 PM EST
      PAGE  1
000 B000000 11/30/2017
000 C000000 0001090504
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 AB CORE OPPORTUNITIES FUND
001 B000000 811-09687
001 C000000 9142597740
002 A000000 1345 AVENUE OF THE AMERICAS
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10105
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 N
007 B000000  0
007 C010100  1
008 A000001 ALLIANCEBERNSTEIN L.P.
008 B000001 A
008 C000001 801-56720
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10105
011 A000001 ALLIANCEBERNSTEIN INVESTMENTS, INC.
011 B000001 8-30851
011 C010001 New York
011 C020001 NY
011 C030001 10105
012 A000001 ALLIANCEBERNSTEIN INVESTOR SERVICES, INC.
012 B000001 84-001187
012 C010001 SAN ANTONIO
012 C020001 TX
012 C030001 78278
013 A000001 ERNST & YOUNG LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10036
014 A000001 SANFORD C. BERNSTEIN & CO., LLC
014 B000001 8-52942
014 A000002 SANFORD C. BERNSTEIN LIMITED
014 B000002 8-00000
015 A000001 STATE STREET BANK & TRUST CO
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
      PAGE  2
015 C030001 02266
015 C040001 8600
015 E010001 X
015 A000002 AB SEB BANKAS
015 B000002 S
015 C010002 VILNIUS
015 D010002 LITHUANIA
015 D020002 LT-2600
015 E040002 X
015 A000003 AS SEB BANKA
015 B000003 S
015 C010003 RIGAS RAJ
015 D010003 LATVIA
015 D020003 LV-1076
015 E040003 X
015 A000004 AO CITIBANK
015 B000004 S
015 C010004 MOSCOW
015 D010004 RUSSIA
015 D020004 125047
015 E040004 X
015 A000005 AS SEB PANK
015 B000005 S
015 C010005 TALLINN
015 D010005 ESTONIA
015 D020005 15010
015 E040005 X
015 A000006 BANCO BCT S.A
015 B000006 S
015 C010006 SAN JOSE
015 D010006 COSTA RICA
015 E040006 X
015 A000007 BANCO ITAU URUGUAY S.A.
015 B000007 S
015 C010007 MONTEVIDEO
015 D010007 URUGUAY
015 D020007 11000
015 E040007 X
015 A000008 BANCO NACIONAL DE MEXICO S.A
015 B000008 S
015 C010008 MEXICO CITY
015 D010008 MEXICO
015 E040008 X
015 A000009 BANK HANDLOWY W WARSAWIE S.A.
015 B000009 S
015 C010009 WARSAW
015 D010009 POLAND
015 D020009 00-293
015 E040009 X
015 A000010 BANK HAPOALIM B.M
015 B000010 S
      PAGE  3
015 C010010 TEL AVIV
015 D010010 ISRAEL
015 E040010 X
015 A000011 BANK OF BEMUDA LIMITED
015 B000011 S
015 C010011 HAMILTON
015 D010011 BERMUDA
015 D020011 HM11
015 E040011 X
015 A000012 BANK POLSKA KASA OPIEKI S.A.
015 B000012 S
015 C010012 WARSAW
015 D010012 POLAND
015 D020012 02-091
015 E040012 X
015 A000013 BARCLAYS BANK OF BOTSWANA
015 B000013 S
015 C010013 GABORONE
015 D010013 BOTSWANA
015 E040013 X
015 A000014 BARCLAYS BANK OF GHANA LIMITED
015 B000014 S
015 C010014 ACCRA
015 D010014 GHANA
015 E040014 X
015 A000015 BARCLAYS BANK OF KENYA LIMITED
015 B000015 S
015 C010015 NAIROBI
015 D010015 KENYA
015 E040015 X
015 A000016 BARCLAYS BANK OF UGANDA LIMITED
015 B000016 S
015 C010016 KAMPALA
015 D010016 UGANDA
015 E040016 X
015 A000017 BARCLAYS BANK OF ZAMBIA PLC
015 B000017 S
015 C010017 LUSAKA
015 D010017 ZAMBIA
015 E040017 X
015 A000018 BNP PARIBAS SECURITIES SERVICES, S.C.A.
015 B000018 S
015 C010018 ATHENS
015 D010018 GREECE
015 D020018 115 28
015 E040018 X
015 A000019 CESKOSLOBENSKA OBCHODNI BANKA, A.S.
015 B000019 S
015 C010019 PRAGUE
015 D010019 CZECH REPUBLIC
015 D020019 150 57
      PAGE  4
015 E040019 X
015 A000020 CESKOSLOVENSKA OBCHODNI BANKA AS
015 B000020 S
015 C010020 BRATISLAIVA
015 D010020 SLOVAK REPUBLIC
015 E040020 X
015 A000021 CITIBANK, A.S.
015 B000021 S
015 C010021 ISTANBUL
015 D010021 TURKEY
015 D020021 34394
015 E040021 X
015 A000022 CITIBANK DEL PERU S.A.
015 B000022 S
015 C010022 LIMA
015 D010022 PERU
015 E040022 X
015 A000023 CITIBANK EUROPE PLC
015 B000023 S
015 C010023 DUBLIN
015 D010023 ROMANIA
015 E040023 X
015 A000024 CITIBANK EUROPE PLC, DUBLIN (ROMANIA BRANCH)
015 B000024 S
015 C010024 BUCHAREST
015 D010024 ROMANIA
015 D020024 712042
015 E040024 X
015 A000025 CITIBANK MAGHREB
015 B000025 S
015 C010025 CASABLANCA
015 D010025 MOROCCO
015 D020025 20190
015 E040025 X
015 A000026 CITIBANK N.A.
015 B000026 S
015 C010026 BUENOS AIRES
015 D010026 ARGENTINA
015 E040026 X
015 A000027 CITIBANK N.A.
015 B000027 S
015 C010027 SAO PAULO
015 D010027 BRAZIL
015 D020027 01311-20
015 E040027 X
015 A000028 CITIBANK N.A.
015 B000028 S
015 C010028 SAN JUAN
015 D010028 PUERTO RICO
015 D020028 00926
015 E040028 X
      PAGE  5
015 A000029 CITIBANK N.A.
015 B000029 S
015 C010029 SINGAPORE
015 D010029 SINGAPORE
015 D020029 486026
015 E040029 X
015 A000030 CITIBANK N.A.
015 B000030 S
015 C010030 CARACAS
015 D010030 VENEZUELA
015 E040030 X
015 A000031 CITIBANK PTY. LTD
015 B000031 S
015 C010031 MELBOURNE
015 D010031 AUSTRALIA
015 D020031 VIC3000
015 E040031 X
015 A000032 CITITRUST COL0MBIA S.A. SOCIEDAD FIDUCIARIA
015 B000032 S
015 C010032 BOGOTA
015 D010032 COLOMBIA
015 D020032 99-02
015 E040032 X
015 A000033 CLEARSTREAM BANKING
015 B000033 S
015 C010033 LUXEMBIOURG
015 D010033 LUXEMBOURG
015 E040033 X
015 A000034 CREDIT SUISSE
015 B000034 S
015 C010034 ZURICH
015 D010034 SWITZERLAND
015 E040034 X
015 A000035 DEUTSCHE BANK AG
015 B000035 S
015 C010035 AMSTERDAM
015 D010035 FRANCE
015 D020035 1101 HE
015 E040035 X
015 A000036 DEUTSCHE BANK AG
015 B000036 S
015 C010036 FRANKFURT
015 D010036 GERMANY
015 E040036 X
015 A000037 DEUTSCHE BANK AG
015 B000037 S
015 C010037 MUMBAI
015 D010037 INDIA
015 D020037 400 063
015 E040037 X
015 A000038 DEUTSCHE BANK AG
      PAGE  6
015 B000038 S
015 C010038 JAKARTA
015 D010038 INDONESIA
015 E040038 X
015 A000039 DEUTSCHE BANK AG
015 B000039 S
015 C010039 SEOUL
015 D010039 KOREA
015 D020039 110-752
015 E040039 X
015 A000040 DEUTSCHE BANK A.G.
015 B000040 S
015 C010040 KARACHI
015 D010040 PAKISTAN
015 E040040 X
015 A000041 DEUTSCHE BANK AG
015 B000041 S
015 C010041 TAIPEI
015 D010041 TAIWAN
015 E040041 X
015 A000042 DEUTSCHE BANK AG, AUSTRIA
015 B000042 S
015 C010042 VIENNA
015 D010042 AUSTRIA
015 D020042 1011
015 E040042 X
015 A000043 DEUTSCHE BANK, A.S.
015 B000043 S
015 C010043 ISTANBUL
015 D010043 TURKEY
015 E040043 X
015 A000044 DEUTSCHE BANK (MALAYSIA) BERHAD
015 B000044 S
015 C010044 KUALA LUMPUR
015 D010044 MALAYSIA
015 E040044 X
015 A000045 DEUTSCHE BANK AG
015 B000045 S
015 C010045 AMSTERDAM
015 D010045 NETHERLANDS
015 D020045 1101 HE
015 E040045 X
015 A000046 DEUTSCHE BANK S.A.E.
015 B000046 S
015 C010046 BARCELONA
015 D010046 SPAIN
015 D020046 72-74
015 E040046 X
015 A000047 DEUTSCHE BANK S.p.A
015 B000047 S
015 C010047 MILAN
      PAGE  7
015 D010047 ITALY
015 E040047 X
015 A000048 EUROCLEAR
015 B000048 S
015 C010048 BRUSSELS
015 D010048 BELGIUM
015 E040048 X
015 A000049 FIRSTRAND BANK LIMITED
015 B000049 S
015 C010049 SOUTH AFRICA
015 D010049 SOUTH AFRICA
015 D020049 2001
015 E040049 X
015 A000050 HSBC BANK BERMUDA LIMITED
015 B000050 S
015 C010050 HAMILTON
015 D010050 BERMUDA
015 D020050 HM06
015 E040050 X
015 A000051 HSBC BANK (CHINA) CO., LTD.
015 B000051 S
015 C010051 SHANGHAI
015 D010051 PEOPLES REP OF CHINA
015 D020051 200120
015 E040051 X
015 A000052 HSBC BAK EGYPT S.A.E.
015 B000052 S
015 C010052 CAIRO
015 D010052 EGYPT
015 E040052 X
015 A000053 HSBC BANK MIDDLE EAST LIMITED
015 B000053 S
015 C010053 MANAMA
015 D010053 BAHRAIN
015 D020053 304
015 E040053 X
015 A000054 HSBC BANK MIDDLE EAST LIMITED
015 B000054 S
015 C010054 BEIRUT
015 D010054 LEBANON
015 D020054 1107 2080
015 E040054 X
015 A000055 HSBC BANK MIDDLE EAST LIMITED
015 B000055 S
015 C010055 KUWAIT CITY
015 D010055 KUWAIT
015 E040055 X
015 A000056 HSBC BANK MIDDLE EAST LIMITED
015 B000056 S
015 C010056 DOHA
015 D010056 QATAR
      PAGE  8
015 E040056 X
015 A000057 HSBC BANK MIDDLE EAST LIMITED
015 B000057 S
015 C010057 DUBAI
015 D010057 UNITED ARAB EMIRATES
015 E040057 X
015 A000058 HSBC BANK (VIETNAM) LTD.
015 B000058 S
015 C010058 HO CHI MINH CITY
015 D010058 VIETNAM
015 E040058 X
015 A000059 HSBC SAUDI ARABIA LIMITED
015 B000059 S
015 C010059 RIYADH
015 D010059 SAUDI ARABIA
015 D020059 12283-2255
015 E040059 X
015 A000060 HSBC BANK OMAN S.A.O.C.
015 B000060 S
015 C010060 SEEB
015 D010060 OMAN
015 D020060 PC 111
015 E040060 X
015 A000061 ITAU CORPBANCA S.A.
015 B000061 S
015 C010061 LAS CONDES
015 D010061 CHILE
015 E040061 X
015 A000062 JSC CITIBANK KAZAKHSTAN
015 B000062 S
015 C010062 ALMATY
015 D010062 KAZAKHSTAN
015 D020062 050010
015 E040062 X
015 A000063 LANDSBANKINN HF.
015 B000063 S
015 C010063 REYKJAVIK
015 D010063 ICELAND
015 D020063 155
015 E040063 X
015 A000064 MIZUHO CORP BANK LTD
015 B000064 S
015 C010064 TOKYO
015 D010064 JAPAN
015 E040064 X
015 A000065 NORDEA BANK AB (PUBL)
015 B000065 S
015 C010065 STOCKHOLM
015 D010065 SWEDEN
015 D020065 103 97
015 E040065 X
      PAGE  9
015 A000066 NORDEA BANK AB (PUBL), SWEDEN
015 B000066 S
015 C010066 COPENHAGEN S
015 D010066 DENMARK
015 D020066 DK-2300
015 E040066 X
015 A000067 NORDEA BANK AB (PUBL), SWEDEN
015 B000067 S
015 C010067 HELSINKI
015 D010067 FINLAND
015 D020067 FIN-00101
015 E040067 X
015 A000068 NORDEA BANK AB (PUBL), SWEDEN
015 B000068 S
015 C010068 OSLO
015 D010068 NORWAY
015 D020068 NO-0185
015 E040068 X
015 A000069 PJSC CITIBANK
015 B000069 S
015 C010069 KIEV
015 D010069 UKRAINE
015 D020069 03150
015 E040069 X
015 A000070 PRIVREDNA BANKA ZAGREB D.D.
015 B000070 S
015 C010070 ZAGREB
015 D010070 CROATIA
015 D020070 10000
015 E040070 X
015 A000071 SCANDINAVISKA ENSKILDA BANKEN
015 B000071 S
015 C010071 STOCKHOLM
015 D010071 SWEDEN
015 E040071 X
015 A000072 SKANDINAVISKA ENKSILDA BANKEN
015 B000072 S
015 C010072 STOCKHOLM
015 D010072 SWEDEN
015 E040072 X
015 A000073 STANBIC IBTC BANK PLC.
015 B000073 S
015 C010073 LAGOS
015 D010073 NIGERIA
015 D020073 101007
015 E040073 X
015 A000074 STANDARD BANK NAMIBIA LIMITED
015 B000074 S
015 C010074 WINDHOEK
015 D010074 NAMIBIA
015 E040074 X
      PAGE  10
015 A000075 STANDARD BANK SWAZIALND LIMITED
015 B000075 S
015 C010075 MBABANE
015 D010075 SWAZILAND
015 D020075 H101
015 E040075 X
015 A000076 STANDARD CHARTERED BANK
015 B000076 S
015 C010076 DHAKA
015 D010076 BANGLADESH
015 E040076 X
015 A000077 STANDARD CHARTERED BANK
015 B000077 S
015 C010077 AMMAN
015 D010077 JORDAN
015 D020077 11110
015 E040077 X
015 A000078 STANDARD CHARTERED BANK
015 B000078 S
015 C010078 MANILA
015 D010078 PHILIPINES
015 E040078 X
015 A000079 STANDARD CHARTERED BANK (HONG KONG) LIMITED
015 B000079 S
015 C010079 HONG KONG
015 D010079 HONG KONG
015 E040079 X
015 A000080 STANDARD CHARTERED BANK COTE D IVOIRE S.A.
015 B000080 S
015 C010080 ABIDJAN
015 D010080 IVORY COAST
015 D020080 17
015 E040080 X
015 A000081 STANDARD CHARTERED BANK MALAYSIA BERHAD
015 B000081 S
015 C010081 KUALA LUMPAR
015 D010081 MALAYSIA
015 E040081 X
015 A000082 STANBIC BANK NIGERIA LTD.
015 B000082 S
015 C010082 LAGOS
015 D010082 NIGERIA
015 E040082 X
015 A000083 STANDARD CHARTERED BANK (THAI) PUBLIC CO. LTD
015 B000083 S
015 C010083 BANGKOK
015 D010083 TAILAND
015 E040083 X
015 A000084 STATE STREET BANK & TRUST COMPANY
015 B000084 S
015 C010084 TORONTO
      PAGE  11
015 D010084 CANADA
015 D020084 M5V 3L3
015 E040084 X
015 A000085 STATE STREET BANK & TRUST COMPANY, UK
015 B000085 S
015 C010085 EDINBURGH
015 D010085 SCOTLAND
015 D020085 EH5 2AW
015 E040085 X
015 A000086 STATE STREET BANK AND TRUST COMPANY
015 B000086 S
015 C010086 LONDON
015 D010086 UNITED KINGDOM
015 E040086 X
015 A000087 STATE STREET BANK INTERNATIONAL GMBH
015 B000087 S
015 C010087 MUNICH
015 D010087 GERMANY
015 D020087 80333
015 E040087 X
015 A000088 THE HONGKONG AND SHANGHAI BANKING CORP., LTD.
015 B000088 S
015 C010088 SYDNEY
015 D010088 AUSTRALIA
015 D020088 NSW 2000
015 E040088 X
015 A000089 THE HONGKONG AND SHANGHAI BANKING CORP., LTD.
015 B000089 S
015 C010089 VALLETTA
015 D010089 MALTA
015 D020089 VLT 05
015 E040089 X
015 A000090 THE HONGKONG AND SHANGHAI BANKING CORP. LTD.
015 B000090 S
015 C010090 EBENE
015 D010090 MAURITIUS
015 E040090 X
015 A000091 THE HONGKONG AND SHANGHAI BANKING CORP., LTD
015 B000091 S
015 C010091 AUCKLAND
015 D010091 NEW ZEALAND
015 D020091 1010
015 E040091 X
015 A000092 THE HONGKONG & SHANGHAI BANKING CORP. LTD.
015 B000092 S
015 C010092 COLOMBO
015 D010092 SRI LANKA
015 E040092 X
015 A000093 UBS SWITZERLAND AG
015 B000093 S
015 C010093 ZURICH-ALSTETTEN
      PAGE  12
015 D010093 SWITZERLAND
015 D020093 8048
015 E040093 X
015 A000094 UNICREDIT BANK  AUSTRIA AG
015 B000094 S
015 C010094 VIENNA
015 D010094 AUSTRIA
015 D020094 A-1090
015 E040094 X
015 A000095 UNICREDIT BANK CZECH REPUBLIC AND SLOVAKIA AS
015 B000095 S
015 C010095 PRAGUE
015 D010095 CZECH REPUBLIC
015 E040095 X
015 A000096 UNICREDIT BANK HUNGARY ZRT
015 B000096 S
015 C010096 BUDAPEST
015 D010096 HUNGARY
015 E040096 X
015 A000097 UNICREDIT BANK SLOVENIJA D.D.
015 B000097 S
015 C010097 LJUBLJANA
015 D010097 SLOVENIA
015 D020097 SI-1000
015 E040097 X
015 A000098 UNICREDIT BANK SERBIA JSC
015 B000098 S
015 C010098 BELGRADE
015 D010098 SERBIA
015 D020098 11000
015 E040098 X
015 A000099 UNION INTERNATIONALE DE BANQUES
015 B000099 S
015 C010099 TUNIS
015 D010099 TUNISIA
015 D020099 1000
015 E040099 X
018  000000 Y
019 A000000 Y
019 B000000  115
019 C000000 ALLIANCEBE
020 A000001 GOLDMAN SACHS
020 B000001 15-5108880
020 C000001     28
020 A000002 JP MORGAN CHASE
020 B000002 13-3112953
020 C000002     15
020 A000003 CITATION GROUP
020 B000003 13-3604897
020 C000003      9
020 A000004 MORGAN STANLEY
      PAGE  13
020 B000004 13-2655998
020 C000004      8
020 A000005 UBS
020 B000005 13-3873456
020 C000005      7
020 A000006 COWEN & CO., LLC
020 B000006 38-3698933
020 C000006      7
020 A000007 MERRILL LYNCH
020 B000007 13-2740599
020 C000007      5
020 A000008 BARCLAYS BANK PLC
020 B000008 13-3551367
020 C000008      5
020 A000009 CITIGROUP GLOBAL MARKETS
020 B000009 13-3082694
020 C000009      4
020 A000010 DEUTSCHE BANK
020 B000010 13-6124068
020 C000010      4
021  000000      107
022 A000001 ALLIANCEBERNSTEIN
022 C000001    111484
022 D000001    115344
023 C000000     111484
023 D000000     115344
024  000000 Y
025 A000001 GOLDMAN SACHS GROUP, INC. (THE)
025 B000001 13-5108888
025 C000001 E
025 D000001    2479
025 A000002 JP MORGAN CHASE
025 B000002 13-3475488
025 C000002 E
025 D000002    8621
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 Y
028 A010000      7148
028 A020000       201
028 A030000         0
028 A040000      7231
028 B010000      3889
028 B020000         0
      PAGE  14
028 B030000         0
028 B040000     11252
028 C010000      3377
028 C020000         0
028 C030000         0
028 C040000      5079
028 D010000      4159
028 D020000         0
028 D030000         0
028 D040000      4904
028 E010000      5084
028 E020000         0
028 E030000         0
028 E040000      6074
028 F010000      5651
028 F020000         0
028 F030000         0
028 F040000      7167
028 G010000     29308
028 G020000       201
028 G030000         0
028 G040000     41707
028 H000000      9232
029  000000 Y
030 A000000    150
030 B000000  4.25
030 C000000  0.00
031 A000000      9
031 B000000      0
032  000000    136
033  000000      5
034  000000 Y
035  000000      8
036 A000000 N
036 B000000      0
037  000000 N
038  000000      0
039  000000 N
040  000000 Y
041  000000 Y
042 A000000   0
042 B000000   0
042 C000000 100
042 D000000   0
042 E000000   0
042 F000000   0
042 G000000   0
042 H000000   0
043  000000    716
044  000000    219
045  000000 Y
      PAGE  15
046  000000 N
047  000000 Y
048  000000  0.000
048 A010000  2500000
048 A020000 0.550
048 B010000  2500000
048 B020000 0.450
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  5000000
048 K020000 0.400
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 N
056  000000 Y
057  000000 N
      PAGE  16
058 A000000 N
059  000000 Y
060 A000000 Y
060 B000000 Y
061  000000     2500
062 A000000 N
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   0.0
062 N000000   0.0
062 O000000   0.0
062 P000000   0.0
062 Q000000   0.0
062 R000000   0.0
063 A000000   0
063 B000000  0.0
066 A000000 Y
066 B000000 N
066 C000000 N
066 D000000 Y
066 E000000 N
066 F000000 N
066 G000000 N
067  000000 N
068 A000000 N
068 B000000 N
069  000000 N
070 A010000 Y
070 A020000 N
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
      PAGE  17
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 N
070 K010000 Y
070 K020000 Y
070 L010000 Y
070 L020000 N
070 M010000 Y
070 M020000 N
070 N010000 Y
070 N020000 Y
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 Y
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000    239254
071 B000000    229377
071 C000000    206975
071 D000000  111
072 A000000 12
072 B000000        0
072 C000000     2628
072 D000000        0
072 E000000       26
072 F000000     1372
072 G000000       59
072 H000000        0
072 I000000      308
072 J000000      110
072 K000000        0
072 L000000       45
072 M000000       29
072 N000000      144
072 O000000        0
072 P000000        0
072 Q000000        0
072 R000000       58
072 S000000       46
072 T000000      716
072 U000000        0
072 V000000        0
072 W000000       29
072 X000000     2916
072 Y000000      106
072 Z000000     -156
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      PAGE  19
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SIGNATURE   JOSEPH J. MANTINEO
TITLE       TREASURER & CHIEF FINANCIAL OFFICER
 

AB Core Opportunities Fund, Inc. the Fund
811-09687

Exhibit 77I


Effective May 5, 2017 the Fund amended its Plan pursuant 
to Rule 18f-3 under the Investment Company Act of 1940 
the 18f-3 Plan to provide for the automatic conversion of 
Class C shares to Class A shares ten 10 years after 
purchase.
Effective May 5, 2017, the Fund expanded the eligibility 
categories for Advisor Class shares to include 
commissionable brokerage accounts, permitting Advisor 
Class shares to be made available through financial 
intermediaries for use in retirement and non-retirement 
accounts on brokerage platforms which charge 
commissions, permitting financial intermediaries to charge 
their own respective, customized platform commissions in 
connection with the sales of Advisor Class, or clean shares.
Also effective May 5, 2017, the Fund amended its 18f-3 
Plan to permit the exchange of Classes A, B, C, R, K, I, Z 
and T Shares as applicable of a Portfolio to Advisor Class 
Shares of the Portfolio for qualifying shareholders.



 
ablegal -  3353425 v1



Report of Independent Registered Public Accounting 
Firm

To the Board of Directors and Shareholders of AB Core 
Opportunities Fund, Inc.: 
In planning and performing our audit of the financial 
statements of AB Core Opportunities Fund, Inc. the Fund 
as of and for the year ended November 30, 2017, in 
accordance with the standards of the Public Company 
Accounting Oversight Board United States, we considered 
the Funds internal control over financial reporting, 
including controls over safeguarding securities, as a basis 
for designing our auditing procedures for the purpose of 
expressing our opinion on the financial statements and to 
comply with the requirements of Form N-SAR, but not for 
the purpose of expressing an opinion on the effectiveness 
of the Funds internal control over financial reporting. 
Accordingly, we express no such opinion.  
The management of the Fund is responsible for establishing 
and maintaining effective internal control over financial 
reporting. In fulfilling this responsibility, estimates and 
judgments by management are required to assess the 
expected benefits and related costs of controls. A funds 
internal control over financial reporting is a process 
designed to provide reasonable assurance regarding the 
reliability of financial reporting and the preparation of 
financial statements for external purposes in accordance 
with generally accepted accounting principles. A funds 
internal control over financial reporting includes those 
policies and procedures that 1 pertain to the maintenance of 
records that, in reasonable detail, accurately and fairly 
reflect the transactions and dispositions of the assets of the 
fund; 2 provide reasonable assurance that transactions are 
recorded as necessary to permit preparation of financial 
statements in accordance with generally accepted 
accounting principles, and that receipts and expenditures of 
the fund are being made only in accordance with 
authorizations of management and directors of the fund; 
and 3 provide reasonable assurance regarding prevention or 
timely detection of unauthorized acquisition, use or 
disposition of a funds assets that could have a material 
effect on the financial statements.

Because of its inherent limitations, internal control over 
financial reporting may not prevent or detect 
misstatements. Also, projections of any evaluation of 
effectiveness to future periods are subject to the risk that 
controls may become inadequate because of changes in 
conditions, or that the degree of compliance with the 
policies or procedures may deteriorate. 

A deficiency in internal control over financial reporting 
exists when the design or operation of a control does not 
allow management or employees, in the normal course of 
performing their assigned functions, to prevent or detect 
misstatements on a timely basis. A material weakness is a 
deficiency, or a combination of deficiencies, in internal 
control over financial reporting, such that there is a 
reasonable possibility that a material misstatement of the 
funds annual or interim financial statements will not be 
prevented or detected on a timely basis.

Our consideration of the Funds internal control over 
financial reporting was for the limited purpose described in 
the first paragraph and would not necessarily disclose all 
deficiencies in internal control that might be material 
weaknesses under standards established by the Public 
Company Accounting Oversight Board United States. 
However, we noted no deficiencies in the Funds internal 
control over financial reporting and its operation, including 
controls over safeguarding securities that we consider to be 
a material weakness as defined above as of November 30, 
2017.

This report is intended solely for the information and use of 
management and the Board of Directors of AB Core 
Opportunities Fund, Inc. and the Securities and Exchange 
Commission and is not intended to be and should not be 
used by anyone other than these specified parties.

										

/s/Ernst  Young LLP


New York, New York
January 25, 2018


 



Information Classification: Limited Access

Information Classification: Limited Access






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