c54723_nq.htm -- Converted by SEC Publisher, created by BCL Technologies Inc., for SEC Filing

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED
MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number 811-05542

Name of Fund: BlackRock Income Trust, Inc. (BKT)

Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809

Name and address of agent for service: Donald C. Burke, Chief Executive Officer, BlackRock Income Trust, Inc., 800 Scudders Mill Road, Plainsboro, NJ, 08536. Mailing address: P.O. Box 9011, Princeton, NJ, 08543-9011

Registrant’s telephone number, including area code: (800) 882-0052, Option 4

Date of fiscal year end: 10/31/2008

Date of reporting period: 05/01/2008 – 07/31/2008


Item 1 – Schedule of Investments

BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets)
      Par       
  Asset-Backed Securities    (000)      Value 
  First Franklin Mortgage Loan Asset Backed           
  Certificates Series 2005-FF2 Class M2, 2.901%,  $  5,890    $ 3,534,000 
  GSAA Home Equity Trust Series 2005-1 Class           
  AF2, 4.316%, 11/25/34 (a)    3,674      3,389,863 
  Securitized Asset Backed Receivables LLC Trust Series           
  2005-OP2 Class M1, 2.891%, 10/25/35 (a)    1,875      1,218,750 
  Small Business Administration Participation           
  Certificates Series 1996-20E Class 1, 7.60%, 5/01/16    464      480,951 
  Small Business Administration Participation           
  Certificates Series 1996-20F Class 1, 7.55%, 6/01/16    554      573,818 
  Small Business Administration Participation           
  Certificates Series 1996-20G Class 1, 7.70%, 7/01/16    401      416,994 
  Small Business Administration Participation           
  Certificates Series 1996-20H Class 1, 7.25%, 8/01/16    757      781,730 
  Small Business Administration Participation           
  Certificates Series 1996-20K Class 1, 6.95%, 11/01/16    1,142      1,176,270 
  Small Business Administration Participation           
  Certificates Series 1997-20C Class 1, 7.15%, 3/01/17    528      545,502 
  Sterling Bank Trust Series 2004-2 Class Note,           
  2.081%, 3/30/30 (b)    8,416      431,307 
  Sterling Coofs Trust Series 1, 2.362%, 4/15/29 (b)    12,716      949,731 
  Total Asset-Backed Securities - 3.2%          13,498,916 
  Corporate Bonds           
Diversified Financial Services - 0.4%  Structured Asset Repackaged Trust, 3.761%, 1/21/10    1,703      1,677,885 
  Total Corporate Bonds - 0.4%          1,677,885 
  U.S. Government Agency Mortgage-Backed Securities         
  Fannie Mae Guaranteed Pass-Through Certificates:           
     5.00%, 4/01/19 - 8/15/38 (c)(d)    52,943      50,474,922 
     5.50%, 6/01/21 - 8/15/38 (c)(d)    146,136      143,546,201 
     5.97%, 8/01/16    3,125      3,249,403 
     6.00%, 10/01/36 - 7/01/37 (e)    21,372      21,494,250 
     6.50%, 7/01/36 - 8/15/38 (c)    28,239      29,005,864 
     7.50%, 2/01/22    -(f)      198 
     8.00%, 10/01/09 - 5/01/22    13      13,818 
     9.50%, 1/01/19 - 9/01/19    4      4,043 
  Freddie Mac Mortgage Participation Certificates:           
     4.934%, 10/01/34 (a)    792      794,390 
     5.50%, 12/01/21 - 3/01/22 (d)    7,643      7,668,913 
     5.983%, 1/01/35 (a)(d)    219      217,808 
     6.01%, 11/01/17 (a)    25      25,105 
     6.50%, 9/15/38 (c)    100      102,375 
     8.00%, 11/01/15    4      4,024 
     9.00%, 9/01/20 (d)    108      117,678 
  Ginnie Mae MBS Certificates:           
     5.50%, 8/15/38 (c)    6,000      5,945,628 
     6.50%, 8/15/38 (c)    10,800      11,120,630 
     7.00%, 10/15/17    33      35,645 
     7.50%, 8/15/21 - 12/15/23    366      393,159 
     8.00%, 10/15/22 - 2/15/29    172      188,223 
     9.00%, 6/15/18 - 9/15/21    13      14,115 
  Total U.S. Government Agency Mortgage-Backed           
  Securities - 64.1%          274,416,392 

1


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets)
  U.S. Government Agency Mortgage-Backed         
  Securities - Collateralized Mortgage  Par       
  Obligations    (000)      Value 
  Fannie Mae Trust Series 7 Class 2, 8.50%,          
  4/01/17 (b)  $  9    $  1,948 
  Fannie Mae Trust Series 89 Class 2, 8%, 10/01/18 (b)    18      3,297 
  Fannie Mae Trust Series 94 Class 2, 9.50%,           
  8/01/21 (b)    5      1,285 
  Fannie Mae Trust Series 203 Class 1, 0%,          
  2/01/23 (g)    37      29,066 
  Fannie Mae Trust Series 228 Class 1, 0%,          
  6/01/23 (g)    27      22,021 
  Fannie Mae Trust Series 273 Class 1, 0%,          
  8/01/26 (g)    203      165,977 
  Fannie Mae Trust Series 328 Class 1, 0%,          
  12/01/32 (g)    3,966      2,849,229 
  Fannie Mae Trust Series 338 Class 1, 0%,          
  7/01/33 (g)    3,295      2,335,805 
  Fannie Mae Trust Series 1990-123 Class M,           
  1.01%, 10/25/20 (b)    37      784 
  Fannie Mae Trust Series 1990-136 Class S,           
  0.015%, 11/25/20 (b)    22,583      26,777 
  Fannie Mae Trust Series 1991-7 Class J, 0%,           
  2/25/21 (g)    38      32,478 
  Fannie Mae Trust Series 1991-38 Class F,          
  8.325%, 4/25/21 (a)    37      38,697 
  Fannie Mae Trust Series 1991-38 Class N,          
  1.009%, 4/25/21 (b)    29      202 
  Fannie Mae Trust Series 1991-38 Class SA,           
  10.186%, 4/25/21 (a)    38      38,036 
  Fannie Mae Trust Series 1991-46 Class S,          
  1.403%, 5/25/21 (b)    166      6,554 
  Fannie Mae Trust Series 1991-87 Class S,          
  20.058%, 8/25/21 (a)    98      115,810 
  Fannie Mae Trust Series 1991-99 Class L,          
  0.93%, 8/25/21 (b)    204      3,878 
  Fannie Mae Trust Series 1991-139 Class PT,           
  0.648%, 10/25/21 (b)    384      6,665 
  Fannie Mae Trust Series 1991-167 Class D, 0%,           
  10/25/17 (g)    31      30,154 
  Fannie Mae Trust Series 1993-51 Class E, 0%,           
  2/25/23 (g)    122      101,068 
  Fannie Mae Trust Series 1993-70 Class A, 0%,           
  5/25/23 (g)    21      17,161 
  Fannie Mae Trust Series 1993-170 Class SC,           
  9%, 9/25/08 (a)    3      2,549 
  Fannie Mae Trust Series 1993-196 Class SC,           
  8.863%, 10/25/08 (a)    25      24,753 
  Fannie Mae Trust Series 1993-199 Class SB,           
  2.625%, 10/25/23 (b)    1,925      149,047 
  Fannie Mae Trust Series 1993-214 Class SH,           
  11.842%, 12/25/08 (a)    28      28,086 
  Fannie Mae Trust Series 1993-247 Class SN,           
  10%, 12/25/23 (a)    780      895,179 

2


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets)
  U.S. Government Agency Mortgage-Backed         
  Securities - Collateralized Mortgage    Par       
  Obligations    (000)           Value 
  Fannie Mae Trust Series 1993-249 Class B, 0%,           
  11/25/23 (g)  $  1,740      $ 1,352,793 
  Fannie Mae Trust Series 1994-33 Class SG,           
  3.225%, 3/25/09 (b)    239      3,759 
  Fannie Mae Trust Series 1996-68 Class SC,           
  2.257%, 1/25/24 (b)    1,546      129,637 
  Fannie Mae Trust Series 1997-50 Class SI,          
  1.20%, 4/25/23 (b)    594      20,240 
  Fannie Mae Trust Series 1997-90 Class M, 6%,           
  1/25/28 (b)    11,733      2,976,567 
  Fannie Mae Trust Series 1999-W4 Class IO,           
  6.50%, 12/25/28 (b)    556      136,380 
  Fannie Mae Trust Series 1999-W4 Class PO,           
  0%, 2/25/29 (g)    301      236,135 
  Fannie Mae Trust Series 2002-13 Class PR, 0%,           
  3/25/32 (g)    782      547,199 
  Fannie Mae Trust Series 2003-9 Class BI,          
  5.50%, 10/25/22 (b)    3,332      415,676 
  Fannie Mae Trust Series 2003-32 Class VT,           
  6%, 9/25/15    6,592      6,775,399 
  Fannie Mae Trust Series 2003-51 Class IE,          
  5.50%, 4/25/26 (b)    740      3,107 
  Fannie Mae Trust Series 2003-55 Class GI, 5%,           
  7/25/19 (b)    4,165      333,190 
  Fannie Mae Trust Series 2003-66 Class CI, 5%,           
  7/25/33 (b)    5,278      1,294,169 
  Fannie Mae Trust Series 2003-88 Class TI,          
  4.50%, 11/25/13 (b)    2,058      32,818 
  Fannie Mae Trust Series 2003-122 Class IC,           
  5%, 9/25/18 (b)    3,741      245,916 
  Fannie Mae Trust Series 2003-135 Class PB,           
  6%, 1/25/34    12,264      12,320,980 
  Fannie Mae Trust Series 2004-13 Class IG, 5%,           
  10/25/22 (b)    2,091      38,446 
  Fannie Mae Trust Series 2004-28 Class PB, 6%,           
  8/25/28    2,853      2,896,501 
  Fannie Mae Trust Series 2004-29 Class HC,           
  7.50%, 7/25/30    1,954      2,060,167 
  Fannie Mae Trust Series 2004-31 Class ZG,           
  7.50%, 5/25/34    2,472      2,863,596 
  Fannie Mae Trust Series 2004-90 Class JH,           
  1.828%, 11/25/34 (b)    26,006      2,101,835 
  Fannie Mae Trust Series 2005-43 Class IC, 6%,           
  3/25/34 (b)    704      152,686 
  Fannie Mae Trust Series 2005-55 Class SB,           
  1.278%, 7/25/35 (b)    11,031      750,456 
  Fannie Mae Trust Series 2005-68 Class PC,           
  5.50%, 7/25/35    2,260      2,311,086 
  Fannie Mae Trust Series 2005-73 Class DS,           
  11.123%, 8/25/35 (a)    5,144      5,019,617 
  Fannie Mae Trust Series 2005-73 Class ST,           
  1.258%, 8/25/35 (b)    11,835      751,096 

3


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets)
  U.S. Government Agency Mortgage-Backed         
  Securities - Collateralized Mortgage    Par       
  Obligations    (000)           Value 
  Fannie Mae Trust Series 2006-2 Class KP, 0%,           
  2/25/35 (a)  $  1,221    $ 1,059,924 
  Fannie Mae Trust Series 2006-8 Class HN,          
  4.858%, 3/25/36 (b)    4,021      366,483 
  Fannie Mae Trust Series 2006-8 Class WL,          
  3.874%, 3/25/36 (b)    5,957      398,529 
  Fannie Mae Trust Series 2006-36 Class SP,           
  1.828%, 5/25/36 (b)    44,235      3,827,650 
  Fannie Mae Trust Series 2006-38 Class Z, 5%,           
  5/25/36    905      864,442 
  Fannie Mae Trust Series 2006-101 Class SA,           
  3.204%, 10/25/36 (b)    32,636      2,622,312 
  Fannie Mae Trust Series G-7 Class S, 116.20%,           
  3/25/21 (a)    -(f)      5,146 
  Fannie Mae Trust Series G-10 Class S, 0.575%,           
  5/25/21 (b)    889      15,423 
  Fannie Mae Trust Series G-12 Class S, 0.608%,           
  5/25/21 (b)    749      12,686 
  Fannie Mae Trust Series G-17 Class S, 0.58%,           
  6/25/21 (b)    448      7,133 
  Fannie Mae Trust Series G-33 Class PV,          
  1.078%, 10/25/21 (b)    590      14,435 
  Fannie Mae Trust Series G-49 Class S,          
  778.05%, 12/25/21 (a)    -(f)      6,512 
  Fannie Mae Trust Series G-50 Class G,          
  1.159%, 12/25/21 (b)    369      5,616 
  Fannie Mae Trust Series G92-5 Class H, 9%,           
  1/25/22 (b)    172      37,655 
  Fannie Mae Trust Series G92-12 Class C,          
  1.017%, 2/25/22 (b)    447      10,408 
  Fannie Mae Trust Series G92-59 Class S,          
  5.023%, 10/25/22 (b)    3,280      434,916 
  Fannie Mae Trust Series G92-60 Class SB,          
  1.60%, 10/25/22 (a)    490      20,204 
  Fannie Mae Trust Series G93-2 Class KB, 0%,           
  1/25/23 (g)    270      219,383 
  Freddie Mac Multiclass Certificates Series 19           
  Class F, 8.50%, 3/15/20    154      161,993 
  Freddie Mac Multiclass Certificates Series 19           
  Class R, 9.757%, 3/15/20 (b)(h)    15      2,438 
  Freddie Mac Multiclass Certificates Series 40           
  Class K, 6.50%, 8/17/24    649      676,462 
  Freddie Mac Multiclass Certificates Series 60           
  Class HS, 1.125%, 4/25/24 (b)    602      2,747 
  Freddie Mac Multiclass Certificates Series 75           
  Class R, 9.50%, 1/15/21 (b)(h)    -(f)      4 
  Freddie Mac Multiclass Certificates Series 75           
  Class RS, 18.477%, 1/15/21 (h)    -(f)      4 
  Freddie Mac Multiclass Certificates Series 173           
  Class R, 0%, 11/15/21 (b)(h)    23      23 
  Freddie Mac Multiclass Certificates Series 173           
  Class RS, 9.142%, 11/15/21 (h)    -(f)      22 

4


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets)
  U.S. Government Agency Mortgage-Backed
Securities - Collateralized Mortgage
Obligations
Par 
(000)
 
     
         Value 
  Freddie Mac Multiclass Certificates Series 176         
  Class M, 1.01%, 7/15/21 (b)  $  45    $  849 
  Freddie Mac Multiclass Certificates Series 192         
  Class U, 1.009%, 2/15/22 (b)    5      97 
  Freddie Mac Multiclass Certificates Series 200         
  Class R, 98.523%, 12/15/22 (b)    2      24 
  Freddie Mac Multiclass Certificates Series 204         
  Class IO, 6%, 5/01/29 (b)    1,525      390,901 
  Freddie Mac Multiclass Certificates Series          
  1043 Class H, 0.022%, 2/15/21 (b)    12,399      17,102 
  Freddie Mac Multiclass Certificates Series          
  1054 Class I, 0.435%, 3/15/21 (b)    131      1,442 
  Freddie Mac Multiclass Certificates Series          
  1056 Class KD, 1.085%, 3/15/21 (b)    107      2,514 
  Freddie Mac Multiclass Certificates Series          
  1057 Class J, 1.008%, 3/15/21 (b)    133      2,690 
  Freddie Mac Multiclass Certificates Series          
  1148 Class E, 0.593%, 10/15/21 (b)    373      6,327 
  Freddie Mac Multiclass Certificates Series          
  1160 Class F, 29.678%, 10/15/21 (a)    29      38,608 
  Freddie Mac Multiclass Certificates Series          
  1179 Class O, 1.009%, 11/15/21 (b)    52      270 
  Freddie Mac Multiclass Certificates Series          
  1418 Class M, 0%, 11/15/22 (g)    134      109,384 
  Freddie Mac Multiclass Certificates Series          
  1571 Class G, 0%, 8/15/23 (g)    577      439,724 
  Freddie Mac Multiclass Certificates Series          
  1598 Class J, 6.50%, 10/15/08    211      210,810 
  Freddie Mac Multiclass Certificates Series          
  1616 Class SB, 8.50%, 11/15/08 (a)    20      19,927 
  Freddie Mac Multiclass Certificates Series          
  1691 Class B, 0%, 3/15/24 (g)    1,819  1,426,975 
  Freddie Mac Multiclass Certificates Series          
  1706 Class IA, 7%, 10/15/23 (b)    78      1,435 
  Freddie Mac Multiclass Certificates Series          
  1720 Class PK, 7.50%, 1/15/24 (b)    39      2,305 
  Freddie Mac Multiclass Certificates Series          
  1739 Class B, 0%, 2/15/24 (g)    153      142,490 
  Freddie Mac Multiclass Certificates Series          
  1914 Class PC, 0.75%, 12/15/11 (b)    1,925      15,614 
  Freddie Mac Multiclass Certificates Series          
  1961 Class H, 6.50%, 5/15/12    225      227,964 
  Freddie Mac Multiclass Certificates Series          
  2218 Class Z, 8.50%, 3/15/30    9,012  9,744,105 
  Freddie Mac Multiclass Certificates Series          
  2296 Class SA, 2.139%, 3/15/16 (b)    584      42,956 
  Freddie Mac Multiclass Certificates Series          
  2431 Class Z, 6.50%, 6/15/32    11,350      11,795,270
  Freddie Mac Multiclass Certificates Series          
  2444 Class ST, 2.359%, 9/15/29 (b)    235      7,946 
  Freddie Mac Multiclass Certificates Series          
  2542 Class MX, 5.50%, 5/15/22 (b)    1,205      180,140 

5


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets)
  U.S. Government Agency Mortgage-Backed         
  Securities - Collateralized Mortgage    Par       
  Obligations    (000)      Value 
  Freddie Mac Multiclass Certificates Series           
  2542 Class UC, 6%, 12/15/22  $  10,200    $ 10,579,842 
  Freddie Mac Multiclass Certificates Series           
  2545 Class NI, 5.50%, 3/15/22 (b)    2,065      252,894 
  Freddie Mac Multiclass Certificates Series           
  2559 Class IO, 5%, 8/15/30 (b)    427      7,143 
  Freddie Mac Multiclass Certificates Series           
  2561 Class EW, 5%, 9/15/16 (b)    3,253      247,736 
  Freddie Mac Multiclass Certificates Series           
  2564 Class NC, 5%, 2/15/33    928      847,989 
  Freddie Mac Multiclass Certificates Series           
  2611 Class QI, 5.50%, 9/15/32 (b)    9,479      1,690,415 
  Freddie Mac Multiclass Certificates Series           
  2630 Class PI, 5%, 8/15/28 (b)    4,251      415,216 
  Freddie Mac Multiclass Certificates Series           
  2647 Class IV, 1.959%, 7/15/33 (b)    16,307      3,158,725 
  Freddie Mac Multiclass Certificates Series           
  2653 Class MI, 5%, 4/15/26 (b)    2,677      284,717 
  Freddie Mac Multiclass Certificates Series           
  2658 Class PI, 4.50%, 6/15/13 (b)    1,315      9,904 
  Freddie Mac Multiclass Certificates Series           
  2672 Class TQ, 5%, 3/15/23 (b)    1,477      20,039 
  Freddie Mac Multiclass Certificates Series           
  2687 Class IL, 5%, 9/15/18 (b)    3,633      233,684 
  Freddie Mac Multiclass Certificates Series           
  2693 Class IB, 4.50%, 6/15/13 (b)    1,010      6,563 
 

Freddie Mac Multiclass Certificates Series 

         
  2694 Class LI, 4.50%, 7/15/19 (b)    1,971      134,550 
  Freddie Mac Multiclass Certificates Series           
  2758 Class KV, 5.50%, 5/15/23    11,100      11,080,055 
  Freddie Mac Multiclass Certificates Series           
  2765 Class UA, 4%, 3/15/11    1,573      1,560,174 
  Freddie Mac Multiclass Certificates Series           
  2769 Class SQ, 7.237%, 2/15/34 (a)    4,359      2,425,157 
  Freddie Mac Multiclass Certificates Series           
  2773 Class OX, 5%, 2/15/18 (b)    3,749      378,570 
  Freddie Mac Multiclass Certificates Series           
  2780 Class SM, 1.348%, 4/15/34 (b)    15,797      1,054,915 
  Freddie Mac Multiclass Certificates Series           
  2825 Class NI, 5.50%, 3/15/30 (b)    6,727      1,286,520 
  Freddie Mac Multiclass Certificates Series           
  2827 Class SR, 1.348%, 1/15/22 (b)    10,232      753,682 
  Freddie Mac Multiclass Certificates Series           
  2840 Class SK, 11.121%, 8/15/34 (a)    1,951      1,425,652 
  Freddie Mac Multiclass Certificates Series           
  2861 Class AX, 7.10%, 9/15/34 (a)    573      527,775 
  Freddie Mac Multiclass Certificates Series           
  2865 Class SR, 1.908%, 10/15/33 (b)    17,570      2,664,323 
  Freddie Mac Multiclass Certificates Series           
  2865 Class SV, 2.753%, 10/15/33 (b)    11,899      2,758,841 
  Freddie Mac Multiclass Certificates Series           
  2927 Class BZ, 5.50%, 2/15/35    2,469      2,260,338 

6


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets)
  U.S. Government Agency Mortgage-Backed         
  Securities - Collateralized Mortgage    Par       
  Obligations    (000)      Value 
  Freddie Mac Multiclass Certificates Series           
  2933 Class SL, 2.914%, 2/15/35 (b)  $  1,969    $ 140,419 
  Freddie Mac Multiclass Certificates Series         
  2949 Class IO, 5.50%, 3/15/35 (b)    1,559      334,699 
  Freddie Mac Multiclass Certificates Series         
  2990 Class WR, 1.929%, 6/15/35 (b)    29,792      2,578,727 
  Freddie Mac Multiclass Certificates Series         
  3010 Class SC, 10.583%, 3/15/34 (a)    1,325      1,365,841 
  Freddie Mac Multiclass Certificates Series         
  3061 Class BD, 7.50%, 11/15/35    3,641      3,899,745 
  Freddie Mac Multiclass Certificates Series         
  3167 Class SX, 22.699%, 6/15/36 (a)    526      538,175 
  Freddie Mac Multiclass Certificates Series         
  3225 Class EY, 1.638%, 10/15/36 (b)    81,136      6,281,844 
  Freddie Mac Multiclass Certificates Series         
  3299 Class TI, 5%, 4/15/37 (b)    3,183      738,240 
  Freddie Mac Multiclass Certificates Series T-8         
  Class A10, 0%, 11/15/28 (g)    207      158,613 
  Freddie Mac Multiclass Certificates Series T-         
  11 Class A9, 2.265%, 1/25/28 (a)    3,707      3,276,673 
  Ginnie Mae Trust Series 1996-5 Class Z, 7%,         
  5/16/26    915      962,362 
  Ginnie Mae Trust Series 2001-33 Class PB,         
  6.50%, 7/20/31    1,513      1,563,527 
  Ginnie Mae Trust Series 2003-58 Class IT,          
  5.50%, 7/20/33 (b)    1,639      252,631 
  Ginnie Mae Trust Series 2003-89 Class SA,         
  0.84%, 10/16/33 (b)    14,642      884,316 
  Ginnie Mae Trust Series 2004-18 Class VC, 5%,         
  3/16/15    6,690      6,752,181 
  Ginnie Mae Trust Series 2004-39 Class ID, 5%,         
  5/20/33 (b)    1,500      381,182 
  Ginnie Mae Trust Series 2004-89 Class PE, 6%,         
  10/20/34    3,638      3,729,407 
  Ginnie Mae Trust Series 2005-18 Class SL,          
  1.203%, 2/20/35 (b)    14,281      850,562 
  Ginnie Mae Trust Series 2005-47 Class SP,         
  0.853%, 8/20/32 (b)    17,393      839,154 
  Total U.S. Government Agency Mortgage-         
  Backed Securities - Collateralized Mortgage         
  Obligations - 39.7%          169,890,093 
  Non-U.S. Government Agency Mortgage-         
  Backed Securities           
Collateralized Mortgage Obligations - 22.9%      ABN AMRO Mortgage Corp. Series 2003-4 Class         
  A2, 5.50%, 3/25/33 (b)    335      2,214 
  Banc of America Funding Corp. Series 2007-2         
  Class 1A19, 0%, 3/25/37 (b)    103,955      3,237,912 
  Banc of America Funding Corp. Series 2007-5         
  Class 4A3, 3.655%, 7/25/37 (b)    35,280      2,714,174 
  Banc of America Mortgage Securities Inc. Series         
  2003-3 Class 1AIO, 0.286%, 5/25/18 (b)    215,048      1,864,041 

7


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets)
  Non-U.S. Government Agency Mortgage-Backed    Par       
  Securities    (000)           Value 
  Bear Stearns Asset Backed Securities Series           
  2007-AC2 Class X, 0.25%, 3/25/37 (b)  $  24,127      $ 239,060 
  Citi Mortgage Alternative Loan Trust Series           
  2007-A5 Class 1A7, 6%, 5/25/37 (b)    1,928      248,951 
  Citigroup Mortgage Loan Trust, Inc. Series           
  2005-12 Class 1A2, 1.615%, 8/25/35 (b)    22,985      780,164 
  Collateralized Mortgage Obligation Trust Series           
  40 Class R, 0.58%, 4/01/18 (b)(h)    289      289 
  Collateralized Mortgage Obligation Trust Series           
  42 Class R, 6%, 10/01/14 (b)(h)    45      2,893 
  Countrywide Alternative Loan Trust Series           
  2005-28CB Class 1A5, 5.50%, 8/25/35    3,579      3,131,308 
  Countrywide Alternative Loan Trust Series           
  2005-56 Class 1A1, 3.202%, 11/25/35 (a)    4,929      3,210,037 
  Countrywide Alternative Loan Trust Series           
  2005-72 Class A2, 2.832%, 1/25/36 (a)    4,213      2,401,513 
  Countrywide Alternative Loan Trust Series           
  2005-79C Class A2, 0%, 1/25/36 (b)    130,947      4,049,620 
  Countrywide Home Loan Mortgage Pass-Through Trust         
  Series 2003-26 Class PO, 0%, 8/25/33 (g)    4,926      3,317,268 
  Countrywide Home Loan Mortgage Pass-Through Trust         
  Series 2003-J4 Class PO, 0%, 6/25/33 (g)    1,004      614,929 
  Countrywide Home Loan Mortgage Pass-Through Trust         
  Series 2003-J5 Class PO, 0%, 7/25/33 (g)    1,314      887,786 
  Countrywide Home Loan Mortgage Pass-Through Trust         
  Series 2003-J8 Class PO, 0%, 9/25/23 (g)    1,100      714,304 
  Deutsche Alt-A Securities Inc. Mortgage Series           
  2006-AR5 Class 22A, 5.50%, 10/25/21    1,878      1,721,735 
  Drexel Burnham Lambert CMO Trust Series K           
  Class 1, 0%, 9/23/17 (g)    18      17,934 
  Drexel Burnham Lambert CMO Trust Series V           
  Class 1, 0%, 9/01/18 (g)    206      179,836 
  First Boston Mortgage Securities Corp. Series C           
  Class I-O, 10.965%, 4/25/17 (b)    66      15,903 
  First Horizon Alternative Mortgage Securities Series           
  2005-FA7 Class 1A7, 0%, 10/25/35 (b)    68,728      2,011,107 
  First Horizon Alternative Mortgage Securities Series           
  2005-FA9 Class A2, 0%, 12/25/35 (b)    168,744      5,714,155 
  First Horizon Alternative Mortgage Securities Series           
  2006-FA2 Class 1A4, 0.628%, 5/25/36 (b)    19,225      1,018,552 
  GSMPS Mortgage Loan Trust Series 1998-5 Class           
  IO, 0.97%, 6/19/27 (b)    6,829      132,483 
  Homebanc Mortgage Trust Series 2005-4 Class           
  A1, 2.742%, 10/25/35 (a)    5,246      4,317,514 
  Indymac Index Mortgage Loan Trust Series           
  2006-AR33 Class 4AX, 0.165%, 1/25/37 (b)    146,786      579,997 
  JPMorgan Alternative Loan Trust Series 2006-           
  S1 Class 3A1A, 5.35%, 3/25/36 (a)    2,202      2,208,198 
  JPMorgan Mortgage Trust Series 2005-S1 Class           
  2A1, 8%, 1/25/35    6,101      6,086,176 
  JPMorgan Mortgage Trust Series 2006-A7 Class           
  2A2, 5.801%, 1/25/37 (a)    1,419      1,346,129 

8


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets)
  Non-U.S. Government Agency Mortgage-Backed    Par       
  Securities    (000)           Value 
  Kidder Peabody Acceptance Corp Series 1993-1           
  Class A6, 12.031%, 8/25/23 (a)  $  105    $ 105,650 
  Kidder Peabody Mortgage Assets Trust Series B           
  Class A2, 9.50%, 4/22/18 (b)    50      10,928 
  Luminent Mortgage Trust Series 2006-A1 Class           
  2A1, 2.642%, 12/25/36 (a)    4,767      2,999,677 
  MASTR Adjustable Rate Mortgages Trust Series 2004-           
  3 Class 3AX, 0.977%, 4/25/34 (b)    21,532      273,482 
  MASTR Alternative Loans Trust Series 2003-7           
  Class 4A3, 8%, 11/25/18    1,375      1,458,728 
  MASTR Alternative Loans Trust Series 2003-9           
  Class 15X2, 6%, 1/25/19 (b)    1,242      203,439 
  MASTR Asset Securitization Trust Series 2004-3           
  Class 4A15, 0%, 3/25/34 (g)    314      78,386 
  Morgan Stanley Mortgage Loan Trust Series           
  2004-3 Class 1AX, 5%, 5/25/19 (b)    1,351      192,387 
  Painewebber CMO Trust Series 88M, 13.80%,           
  9/01/18 (h)(i)(j)    13      0 
  Residential Accredit Loans, Inc. Series 2005-           
  QS16 Class A2, 0%, 11/25/35 (b)    133,495      2,806,688 
  Residential Accredit Loans, Inc. Series 2006-           
  Q03 Class A1, 2.682%, 4/25/46 (a)    3,040      1,927,616 
  Residential Accredit Loans, Inc. Series 2006-           
  Q04 Class 2A2, 2.712%, 4/25/46 (a)    3,245      1,914,513 
  Residential Asset Securitization Trust Series           
  2005-A15 Class 1A8, 0%, 2/25/36 (g)    983      438,407 
  Residential Funding Securities LLC Series 2003-           
  RM2 Class AI5, 8.50%, 5/25/33    9,087      9,559,401 
  Sequoia Mortgage Trust Series 2005-2 Class XA,           
  0.998%, 3/20/35 (b)    51,313      707,602 
  Structured Adjustable Rate Mortgage Loan Trust           
  Series 2004-11 Class A, 6.875%, 8/25/34 (a)    1,935      1,933,625 
  Structured Adjustable Rate Mortgage Loan Trust           
  Series 2005-18 Class 7AX, 5.50%, 9/25/35 (b)    4,830      732,083 
  Structured Adjustable Rate Mortgage Loan Trust           
  Series 2005-20 Class 3AX, 5.50%, 10/25/35 (b)    3,803      538,487 
  Structured Adjustable Rate Mortgage Loan Trust           
  Series 2006-2 Class 4AX, 5.50%, 3/25/36 (b)    12,634      2,071,169 
  Structured Adjustable Rate Mortgage Loan Trust           
  Series 2006-7 Class 3AS, 2.374%, 8/25/36 (b)    41,259      3,910,500 
  Structured Mortgage Asset Residential Trust           
  Series 1993-3C Class CX, 0%, 4/25/24 (g)    12      5,779 
  Summit Mortgage Trust Series 2000-1 Class B1,           
  6.706%, 12/28/12 (a)(h)    5      4,630 
  Vendee Mortgage Trust Series 1999-2 Class           
  1IO, 0.052%, 5/15/29 (b)    78,771      195,211 
  WaMu Mortgage Pass-Through Certificates Series           
  2005-AR4 Class A3, 4.585%, 4/25/35 (a)    3,000      2,929,794 
  WaMu Mortgage Pass-Through Certificates Series           
  2006-AR1 Class 2A1C, 4.598%, 1/25/46 (a)    7,089      4,323,941 
  Washington Mutual Alternative Mortgage Pass-           
  Through Certificates Series 2005-8 Class 1A4,           
  1.215%, 10/25/35 (b)    8,882      136,231 

9


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets)
  Non-U.S. Government Agency Mortgage-Backed  Par       
  Securities    (000)       Value
  Washington Mutual Alternative Mortgage Pass-         
  Through Certificates Series 2005-9 Class CP,         
  0%, 11/25/35 (g)  $  928      $ 628,745 
  Washington Mutual Alternative Mortgage Pass-         
  Through Certificates Series 2007-1 Class 1A3,         
  2.842%, 2/25/37 (a)    7,517      5,307,701 
            98,160,982 
Commercial Mortgage-Backed Securities - 1.6%     CS First Boston Mortgage Securities Corp. Series 1997-         
  C1 Class AX, 1.672%, 6/20/29 (b)    5,400      240,786 
  Commercial Mortgage Acceptance Corp. Series 1997-         
  ML1 Class IO, 0.705%, 12/15/30 (b)    17,440      422,658 
  Credit Suisse Mortgage Capital Certificates         
  Series 2007-C2 Class A3, 5.542%, 1/15/49 (a)  2,420      2,213,126 
  First Union-Lehman Brothers Commercial Mortgage         
  Series 1997-C2 Class D, 7.12%, 11/18/29  3,500      3,660,864 
  Morgan Stanley Capital I Series 1997-HF1 Class         
  X, 3.438%, 7/15/29 (b)    69      4 
            6,537,438 
  Total Non-U.S. Government Agency Mortgage-Backed         
  Securities - 24.5%          104,698,420 
  U.S. Government and Agency Obligations         
  Federal Housing Administration, General          
  Motors Acceptance Corp. Projects, Series 56,         
  7.43%, 11/01/22    342      349,853 
  Federal Housing Administration, Merrill          
  Projects, Series 54, 7.43%, 2/01/23 (l)  2      2,382 
  Federal Housing Administration, Reilly Project,         
  Series 41, 8.28%, 3/01/20    732      746,760 
  Federal Housing Administration, USGI Projects,         
  Series 87, 7.43%, 12/01/22    76      78,492 
  Federal Housing Administration, USGI Projects,         
  Series 99, 7.43%, 6/01/21    5,274      5,380,083 
  Federal Housing Administration, USGI Projects,         
  Series 99, 7.43%, 10/01/23    80      82,505 
  Federal Housing Administration, USGI Projects,         
  Series 99, 7.43%, 10/01/23    238      243,764 
  Overseas Private Investment Corp., 0%,          
  5/29/12 (a)    358      374,887 
  Overseas Private Investment Corp., 4.09%,         
  5/29/12    331      337,667 
  Overseas Private Investment Corp., 4.30%,         
  5/29/12 (a)    929      988,498 
  Overseas Private Investment Corp., 4.64%,         
  5/29/12    699      753,826 
  Overseas Private Investment Corp., 4.68%,         
  5/29/12    395      405,869 
  Overseas Private Investment Corp., 4.87%,         
  5/29/12    2,999      3,263,810 
  Resolution Funding Corp., 0%, 4/15/30 (e)  13,000      4,409,886 
  Small Business Administration Series 1, 1%,         
  4/01/15 (b)    4,368      43,681 

10


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets)
      Par         
  U.S. Government and Agency Obligations  (000)      Value   
  U.S. Treasury STRIPS, 0%, 11/15/24 (e)(k)  $ 40,000    $ 18,501,240  
  Total U.S. Government and Agency Obligations - 8.4%        35,963,203  
  Total Long-Term Investments             
  (Cost - $584,047,123) - 140.3%          600,144,909  
  Short-Term Securities             
U.S. Government Obligations - 3.8%  Federal Home Loan Bank, 2.34%, 8/05/08  12,000      11,997,400  
  Federal Home Loan Bank S, 1.82%, 8/01/08  4,200      4,200,000  
Borrowed Bond Agreement - 4.8%  Lehman Brothers Inc., purchased on 7/03/08           
  to yield 2.08% to 7/03/09    20,748      20,748,444  
  Total Short-Term Securities             
  (Cost - $36,945,844) - 8.6%          36,945,844  
  Options Purchased    Contracts+         
Swaptions Purchased               
  Receive a fixed rate of 5.39% and pay a floating rate           
  based on 3-month LIBOR, expiring March 2012  7     379,366  
  Receive a fixed rate of 5.47% and pay a floating rate           
  based on 3-month LIBOR, expiring May 2012  12     677,462  
  Receive a fixed rate of 5.78% and pay a floating rate           
  based on 3-month LIBOR, expiring August 2010  2     192,343  
  Receive a fixed rate of 6.025% and pay a floating rate           
  based on 3-month LIBOR, expiring June 2012  8     657,556  
  Pay a fixed rate of 5.39% and receive a floating rate           
  based on 3-month LIBOR, expiring March 2012  7     334,172  
  Pay a fixed rate of 5.47% and receive a floating rate           
  based 3-month LIBOR, expiring May 2012  12     543,765  
  Pay a fixed rate of 5.78% and receive a floating rate           
  based 3-month LIBOR, expiring August 2010  2     62,796  
  Pay a fixed rate of 6.025% and receive a floating rate           
  based on 3-month LIBOR, expiring June 2012  8     251,087  
  Total Options Purchased             
  (Cost - $2,906,788) - 0.7%          3,098,547  
  Total Investments Before Borrowed Bond, TBA Sale           
  Commitments and Options Written           
  (Cost - $623,899,755*) - 149.6%          640,189,300  
      Par         
  Borrowed Bond    (000)         
  U.S. Treasury Note, 4.75%, 5/31/12  $ (19,505 )   (20,695,117 )
  Total Borrowed Bond             
  (Proceeds - $19,383,094) - (4.8)%          (20,695,117 )
  TBA Sale Commitments             
  Fannie Mae Guaranteed Pass-Through Certificate,           
  6%, 10/01/36 - 7/01/37    (14,300 )   (14,378,736 )
  Total TBA Sale Commitments             
  (Proceeds - $14,264,250) - (3.4)%          (14,378,736 )
  Options Written    Contracts+         
Swaptions Written               
  Pay a fixed rate of 4.7525% and receive a floating           
  rate based on 3-month $ LIBOR, expiring May 2009  30     (721,860 )
  Pay a fixed rate of 5.325% and receive a floating rate           
  based on 3-month LIBOR, expiring July 2013  11     (344,921 )
  Pay a fixed rated of 4.80% and receive a floating rate           
  based on 3-month $ LIBOR, expiring March 2011  115     (3,315,910 )

11


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets)
  Options Written  Contracts+               Value   
  Pay a fixed rated of 4.95% and receive a floating rate           
  based on 3-month $ LIBOR, expiring March 2011  68      $ (1,704,624 )
  Pay a fixed rated of 5.485% and receive a floating           
  rate based on expiring 3-month LIBOR  5      (303,080 )
  Pay a fixed rated of 5.50% and receive a floating rate           
  based on 3-month $ LIBOR, expiring March 2010  58      (2,043,050 )
  Pay a fixed rated of 5.50% and receive a floating rate based         
  on 3-month $ LIBOR, expiring September 2011  33      (1,616,769 )
  Pay a fixed rated of 5.67% and receive a floating rate           
  based on 3-month LIBOR, expiring January 2010  12      (806,198 )
  Receive a fixed rated of 5.46% and pay a floating rate           
  based on 3-month LIBOR, expiring August 2008  3      (232,397 )
  Pay a fixed rated of 5.46% and receive a floating rate           
  based on 3-month LIBOR, expiring August 2008  3      (308 )
  Receive a fixed rate of 4.7525% and pay a floating           
  rate based on 3-month $ LIBOR, expiring May 2009  30      (1,046,040 )
  Receive a fixed rate of 5.325% and pay a floating rate           
  based on 3-month $ LIBOR, expiring July 2013  11      (340,737 )
  Receive a fixed rate of 5.485% and pay a floating rate           
  based on 3-month LIBOR, expiring October 2009  5      (108,389 )
  Receive a fixed rate of 5.67% and pay a floating rate           
  based on 3-month LIBOR, expiring January 2010  12      (226,957 )
  Total Options Written           
  (Premiums Received - $8,064,996) - (3.0)%        (12,811,240 )
  Total Investments, Net of Borrowed Bond, TBA Sale           
  Commitments and Options Written           
  (Cost - $582,187,416) - 138.4%        592,304,207  
  Liabilities in Excess of Other Assets - (38.4)%        (164,473,828 )
  Net Assets - 100.0%        $ 427,830,379  
   
*      

The cost and unrealized appreciation (depreciation) of investments as of July 31, 2008, as computed for federal income tax purposes, were as follows:

 
Aggregate cost  $  623,949,541
Gross unrealized appreciation  $  54,136,495
Gross unrealized depreciation   (37,896,736 )
Net unrealized appreciation  $  16,239,759

+ One contract represents a notional amount of $1,000,000.
(a)     

Variable rate security. Rate shown is as of report date. Maturity shown is the final maturity date.

(b)     

Represents the interest only portion of a mortgage-backed security and has either a nominal or a notional amount of principal.

(c)     

Represents or includes a "to-be-announced" transaction. The Trust has committed to purchasing securities for which all specific information is not available at this time.

(d)     

All or a portion of security held as collateral in connection with financial futures contracts.

(e)     

All or a portion of security, have been pledged as collateral for reverse repurchase agreements. Reverse repurchase agreements outstanding as of July 31, 2008 were as follows:

 
      Interest      Trade      Maturity        Net Closing        Face 
Counterparty      Rate      Date      Date         Amount        Amount 
Lehman Brothers, Inc.      2.18%      7/03/08      TBD      $  4,606,826      $  4,598,750 
Lehman Brothers, Inc.      2.40      7/11/08      8/13/08        13,240,428        13,214,000 
Lehman Brothers, Inc.      2.05      7/16/08      TBD        8,772,737        8,765,250 
Total                        $  26,619,991      $  26,578,000 

(f)     

Amount is less than $1,000.

(g)     

Represents a principal only portion of a mortgage-backed security.

(h)     

Security is fair valued.

(i)     

Non-income producing security.

 

12


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited)  
(j)     

Issuer filed for bankruptcy or is in default of interest payments.

(k)     

Separately Traded Registered Interest and Principal Securities.

(l)     

Investments in companies considered to be an affiliate of the Trust, for purposes of Section 2(a)(3) of the Investment Company Act of 1940, were as follows:

 
    Purchase    Sale        Realized    Interest 
Affiliate    Cost    Cost        Loss    Income 
Merrill Projects, Series 54, 7.43%, 2/01/23    -    $ 50,209    $           (2,166)    $ 52,813 

  • For Trust compliance purposes, the Trust's industry classifications refer to any one or more of the industry sub-classifications used by one or more widely recognized market indexes or ratings group indexes, and/or as defined by Trust management. This definition may not apply for purposes of this report, which may combine industry sub-classifications for reporting ease.

  • Financial future contracts purchased as of July 31, 2008 were as follows:

            Expiration           Face        Unrealized   
Contracts        Issue    Date         Value        Appreciation   
8        EuroDollar Futures    March 2010    $   1,918,324    $   76  
11        EuroDollar Futures    December 2010        2,621,822        3,466  
37        EuroDollar Futures    March 2011        8,818,330        7,558  
22        EuroDollar Futures    June 2011        5,234,155        10,370  
Total                        $   21,470  
• Financial future contracts sold as of July 31, 2008 were as follows:           
                            Unrealized   
            Expiration           Face        Appreciation   
Contracts  Issue    Date         Value        (Depreciation)  
668        2-Year U.S. Treasury Bond    September 2008    $   141,439,701    $   (176,299 )
14        5-Year U.S. Treasury Bond    September 2008    $   1,546,641        (12,062 )
958        10-Year U.S. Treasury Bond    September 2008    $   108,054,864        (1,950,480 )
408        30-Year U.S. Treasury Bond    September 2008    $   46,316,356        (807,644 )
88        EuroDollar Futures    September 2008    $   21,416,707        34,907  
62        EuroDollar Futures    December 2008    $   15,119,776        84,001  
51        EuroDollar Futures    March 2009    $   12,429,323        72,660  
50        EuroDollar Futures    June 2009    $   12,157,448        64,948  
70        EuroDollar Futures    September 2009    $   16,956,472        72,472  
3        EuroDollar Futures    December 2009    $   721,520        320  
2        EuroDollar Futures    June 2010    $   479,160        535  
14        EuroDollar Futures    September 2010    $   3,372,372        26,897  
Total                        $   (2,589,745 )
• Swaps outstanding as of July 31, 2008 were as follows:                   
                    Notional           
                    Amount        Unrealized   
                     (000)        Appreciation   
Receive a fixed rate of 5.38341% and pay a floating rate                   
based on 3-month $ LIBOR                       
Broker, Credit Suisse First Boston International                   
Expires July 2009        $   200,000    $   4,434,331  
 
Receive a fixed rate of 4.7775% and pay a floating rate                   
based on 3-month $ LIBOR                       
Broker, Citibank NA                       
Expires August 2009        $   18,800        331,921  
 
Receive a fixed rate of 4.034% and pay a floating rate                   
based on 3-month $ LIBOR                       
Broker, Deutsche Bank AG London                       
Expires December 2009        $   16,200        190,314  

13


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited)  
• Swaps outstanding as of July 31, 2008 were as follows:             
    Notional      Unrealized   
    Amount      Appreciation   
    (000)      (Depreciation)  
                 Receive a fixed rate of 4.10% and pay a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Lehman Brothers Special Financing             
                 Expires December 2009  $  12,600    $  158,122  
 
                 Receive a fixed rate of 4.05% and pay a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Barclays London             
                 Expires December 2009  $  5,600      66,971  
 
                 Pay a fixed rate of 3.535% and receive a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Lehman Brothers Special Financing             
                 Expires January 2010  $  29,300      (139,202 )
 
                 Receive a fixed rate of 4.31996% and pay a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, UBS AG             
                 Expires September 2010  $  12,000      199,513  
 
                 Receive a fixed rate of 4.95% and pay a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, UBS AG             
                 Expires November 2011  $  4,400      148,976  
 
                 Receive a fixed rate of 5.025% and pay a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Deutsche Bank AG London             
                 Expires November 2011  $  3,000      107,817  
 
                 Receive a fixed rate of 5.39256% and pay a floating rate             
                 based on 3-month LIBOR             
                 Broker, Credit Suisse First Boston             
                 Expires June 2012  $  64,000      3,233,167  
 
                 Pay a fixed rate of 4.88911% and receive a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Goldman Sachs & Co.             
                 Expires August 2014  $  19,000      (578,161 )
 
                 Pay a fixed rate of 4.39919% and receive a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Deutsche Bank AG London             
                 Expires October 2014  $  12,500      (27,911 )
 
                 Receive a fixed rate of 4.8834% and pay a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, UBS AG             
                 Expires March 2015  $  25,000      672,956  
 
                 Pay a fixed rate of 4.925% and receive a floating rate             
                 based on 3-month $ LBR Municipal Swap Index             
                 Broker, Deutsche Bank AG London             
                 Expires March 2015  $  16,000      (471,190 )
             

 

14 


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited)  
• Swaps outstanding as of July 31, 2008 were as follows:             
    Notional      Unrealized   
    Amount      Appreciation   
    (000)      (Depreciation)   
                 Pay a fixed rate of 4.50% and receive a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, JPMorgan Chase             
                 Expires May 2015  $  3,000    $  (13,557 )
 
                 Receive a fixed rate of 4.442% and pay a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Morgan Stanley Capital             
                 Expires July 2015  $  4,500      1,477  
 
                 Receive a fixed rate of 5.94% and pay a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, UBS AG             
                 Expires December 2015  $  2,800      257,516  
 
                 Receive a fixed rate of 4.87% and pay a floating rate             
                 based on 3-month LBR Muni Swap Index             
                 Broker, Goldman Sachs & Co.             
                 Expires January 2016  $  5,500      133,240  
 
                 Receive a fixed rate of 5.723% and pay a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, JPMorgan Chase             
                 Expires July 2016  $  5,400      431,090  
 
                 Receive a fixed rate of 5.295% and pay a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, UBS AG             
                 Expires February 2017  $  11,900      595,014  
 
                 Receive a fixed rate of 5.25% and pay a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Goldman Sachs & Co.             
                 Expires April 2017  $  800      37,116  
 
                 Pay a fixed rate of 5.74% and receive a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Deutsche Bank AG London             
                 Expires June 2017  $  1,400      (115,353 )
 
                 Pay a fixed rate of 5.5451% and receive a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Deutsche Bank AG London             
                 Expires June 2017  $  1,800      (122,813 )
 
                 Pay a fixed rate of 5.85% and receive a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Deutsche Bank AG London             
                 Expires June 2017  $  1,000      (90,466 )

15


BlackRock Income Trust, Inc.
Schedule of Investments July 31, 2008 (Unaudited)  
• Swaps outstanding as of July 31, 2008 were as follows:             
    Notional      Unrealized   
    Amount      Appreciation   
    (000)      (Depreciation)  
                 Receive a fixed rate of 5.505% and pay a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Bank of America             
                 Expires August 2017  $  165,647    $  10,750,816  
 
                 Pay a fixed rate of 4.54% and receive a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Morgan Stanley Capital             
                 Expires December 2017  $  7,700      61,092  
 
                 Pay a fixed rate of 4.4575% and receive a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Goldman Sachs & Co.             
                 Expires January 2018  $  2,600      38,667  
 
                 Pay a fixed rate of 5.115% and receive a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Lehman Brothers Special Financing             
                 Expires March 2018  $  7,300      (257,475 )
 
                 Pay a fixed rate of 5.135% and receive a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Barclays London             
                 Expires April 2018  $  5,700      39,097  
 
                 Pay a fixed rate of 5.88% and receive a floating rate             
                 based on 3-month $ LIBOR             
                 Broker, Deutsche Bank AG London             
                 Expires June 2018  $  63,930      (4,789,696 )
 
                 Receive a fixed rate of 5.411% and pay a floating rate             
                 based on 3-month LIBOR             
                 Broker, JPMorgan Chase             
                 Expires August 2022  $  9,565      512,906  
                 Total        $ 15,796,295  

16


Item 2 – Controls and Procedures

2 (a)  –   The registrant’s principal executive and principal financial officers or persons performing similar functions have concluded that the registrant’s disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the “1940 Act”)) are effective as of a date within 90 days of the filing of this report based on the evaluation of these controls and procedures required by Rule 30a-3(b) under the 1940 Act and Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended.
     
2 (b) –   There were no changes in the registrant’s internal control over financial reporting (as defined in Rule 30a-3(d) under the 1940 Act) that occurred during the registrant’s last fiscal quarter that have materially affected, or are reasonably likely to materially affect, the registrant’s internal control over financial reporting.
     
Item 3 –   Exhibits
     
    Certifications – Attached hereto
     
    Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

    BlackRock Income Trust, Inc.
       
    By:
/s/ Donald C. Burke
      Donald C. Burke
      Chief Executive Officer of
      BlackRock Income Trust, Inc.
       
    Date: September 19, 2008
       
    Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.
       
    By:
/s/ Donald C. Burke
      Donald C. Burke
      Chief Executive Officer (principal executive officer) of
      BlackRock Income Trust, Inc.
       
    Date: September 19, 2008
       
    By:
/s/ Neal J. Andrews
      Neal J. Andrews
      Chief Financial Officer (principal financial officer) of
      BlackRock Income Trust, Inc.
       
    Date: September 19, 2008