BLACKROCK INCOME TRUST INC
N-30D, 1997-12-29
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- --------------------------------------------------------------------------------
                         THE BLACKROCK INCOME TRUST INC.
                          ANNUAL REPORT TO SHAREHOLDERS
                          REPORT OF INVESTMENT ADVISER
- --------------------------------------------------------------------------------




                                                               November 30, 1997

Dear Trust Shareholder:

      U.S.  fixed income  investors  have been rewarded with solid total returns
over the past twelve months, as moderate economic growth and low inflation drove
Treasury yields below year-end 1996 levels by October 31, 1997.

      The economy has shown some signs of slowing,  which BlackRock  expects may
persist as early  indicators  suggest that holiday  spending may be tepid. We do
not see  immediate  signs  of  inflationary  pressure  nor do we  anticipate  an
imminent change in monetary policy by the Federal Reserve. Our long-term outlook
for the bond market remains  optimistic,  based on the  fundamentally  favorable
backdrop  of slower  economic  growth,  low  inflation  and  declining  Treasury
borrowing.

      This report contains detailed market and portfolio strategy  commentary by
your Trust's  managers in addition to the Trust's audited  financial  statements
and a detailed portfolio listing. We thank you for your continued  investment in
the Trust and wish you a successful new year.

Sincerely,
/s/ Laurence D. Fink                                    /s/ Ralph L. Schlosstein
- --------------------                                    ------------------------
Laurence D. Fink                                        Ralph L. Schlosstein
Chairman                                                President

                                       1


<PAGE>


November 30, 1997
Dear Shareholder:

      We are pleased to present the annual report for The BlackRock Income Trust
Inc.  ("the  Trust") for the year ended  October 31, 1997. We would like to take
this  opportunity  to review the  Trust's  stock price and net asset value (NAV)
performance,   summarize  market   developments  and  discuss  recent  portfolio
management activity.

      The Trust is a diversified,  actively  managed  closed-end bond fund whose
shares are traded on the New York Stock  Exchange  under the symbol  "BKT".  The
Trust's  investment  objective is to provide high monthly income consistent with
the  preservation  of  capital.  The Trust  seeks this  objective  by  investing
primarily in mortgage-backed securities backed by U.S. Government agencies (such
as  Fannie  Mae,  Freddie  Mac or  Ginnie  Mae) and,  to a lesser  extent,  U.S.
Government   securities,    asset-backed   securities   and   privately   issued
mortgage-backed securities. At least 85% of the Trust's assets must be issued or
guaranteed  by the U.S.  government  or its  agencies or rated at least "AAA" by
Standard & Poor's or "Aaa" by Moody's (up to 5% can be unrated and deemed by the
Adviser to be of equivalent  credit  quality);  the remaining 15% of the Trust's
assets  must be rated at least  "AA" by  Standard & Poor's or "Aa" by Moody's at
the time of purchase.

      The table below  summarizes the performance of the Trust's stock price and
NAV over the period:
<TABLE>
<CAPTION>
                                                -----------------------------------------------------------------
                                                10/31/97      10/31/96        CHANGE          HIGH           LOW
- -----------------------------------------------------------------------------------------------------------------
<S>                                              <C>            <C>           <C>             <C>           <C>  
STOCK PRICE                                      $6.875         $6.25         10.00%          $7.00         $6.25
- -----------------------------------------------------------------------------------------------------------------
NET ASSET VALUE (NAV)                             $8.12         $7.61          6.70%          $8.12         $7.54
- -----------------------------------------------------------------------------------------------------------------
</TABLE>

THE FIXED INCOME MARKETS

      The first half of the Trust's fiscal year was  characterized  by increased
concern over potential inflationary pressures.  Bond prices fell and yields rose
between  mid-December 1996 and mid-April 1997, as economic data indicated a very
strong economy.  Although inflationary measures such as commodity,  producer and
consumer prices generally  remained  relatively  stable,  labor markets remained
strong throughout the period (with the unemployment  rate consistently  hovering
near historically low levels),  which suggested future wage pressures and higher
inflation. In an effort to subdue this growth and pre-emptively fight inflation,
the Federal  Reserve  raised the Federal funds rate by 25 basis points (1/4%) to
5.50% at their March 25 FOMC policy meeting. During the second quarter, however,
signs of more moderate  economic  growth began to appear.  Lower factory orders,
decreased  consumer  spending and higher  inventories,  in addition to continued
benign inflationary forces, soothed investor fears over inflation.  Accordingly,
the Federal  Reserve left interest  rates  unchanged at their May 20, July 2 and
September 30 policy meetings.

      U.S.  Treasury yields reflected  investor  expectations of Federal Reserve
policy  activity.  The yield of the 10-year note rose from a period low of 6.04%
in late November 1996 to 6.98% in mid-April 1997 in response to Federal  Reserve
Chairman Alan  Greenspan's  warning of excessive  equity market  euphoria and in
anticipation  of a Federal  funds rate  increase.  As  economic  data  softened,
however, the yield of the 10-year fell over 100 basis points from 6.98% to close
at 5.83% on October 31, 1997.  Foreign  investors also contributed to the strong
demand for U.S.  Treasuries,  as the Asian  market  volatility  led  foreign and
domestic  investors to look to U.S.  government  securities as a safe haven. For
the 12 month  period  ended  October 31,  1997,  the 10-year  Treasury  rallied,
posting a net decline of 51 basis points (0.51%).


                                       2

<PAGE>

      During the period,  mortgage-backed  securities  (MBS), as measured by the
Lehman  Mortgage  Index,  modestly  outperformed  the broader  investment  grade
domestic bond market (Lehman  Aggregate  Index) on a total return basis by 9.12%
vs. 8.89%. Demand for mortgage securities was largely  concentrated in the first
half of 1997,  when MBS decisively  outperformed  Treasuries due to low interest
rate volatility and relatively stable mortgage  prepayment  activity.  Recently,
MBS have  fallen out of favor,  as  declining  interest  rates  have  heightened
prepayment  fears and  increased  interest  rate  volatility  has had a negative
impact on valuations of mortgage  securities.  Further, as corporate bond prices
have fallen,  yields in the corporate sector have increased,  offering investors
an alternative to MBS which also yields more than Treasuries.

THE TRUST'S PORTFOLIO AND INVESTMENT STRATEGY

      BlackRock actively manages the Trust's portfolio holdings  consistent with
BlackRock's  overall market outlook and the Trust's investment  objectives.  The
Trust is  managed  to  maintain  an  interest  rate  sensitivity  (or  duration)
approximately  150% of the Salomon Brothers  Mortgage Index; this means that the
portfolio's  NAV will  change  roughly  1.5 times the price of the Index given a
change in interest  rates.  The following chart compares the Trust's current and
October 31, 1996 asset composition.

- --------------------------------------------------------------------------------
COMPOSITION                                  OCTOBER 31, 1997   OCTOBER 31, 1996
- --------------------------------------------------------------------------------
Stripped Mortgage-Backed Securities                25%                17%
- --------------------------------------------------------------------------------
Adjustable & Inverse Floating Rate Mortgages       20%                16%
- --------------------------------------------------------------------------------
U.S. Government Securities                         15%                14%
- --------------------------------------------------------------------------------
Agency Multiple Class Mortgage Pass-Throughs       14%                14%
- --------------------------------------------------------------------------------
FHA Project Loans                                   9%                14%
- --------------------------------------------------------------------------------
Mortgage Pass-Throughs                              8%                11%
- --------------------------------------------------------------------------------
Non-Agency Multiple Class Mortgage Pass-Throughs    4%                 7%
- --------------------------------------------------------------------------------
Commercial Mortgage-Backed Securities               3%                 3%
- --------------------------------------------------------------------------------
Asset-Backed Securities                             1%                 3%
- --------------------------------------------------------------------------------
CMO Residuals                                       1%                 1%
- --------------------------------------------------------------------------------

      Over the past year, the Trust reduced its overall  exposure to residential
mortgage pass-through securities,  as fundamental conditions in that market have
worsened.  Mortgages  performed  well over the first half of 1997 when  interest
rate  volatility  remained low and the rate at which  homeowners  were prepaying
their mortgages remained fairly constant.  As interest rate volatility increased
and mortgages  became less  favorable  towards the middle of the year, the Trust
began  to take  profits  and  reallocate  the  proceeds.  We  believe  that  the
environment  for mortgages will continue to worsen and that the mortgage  market
is at risk for sustained  underperformance  versus Treasuries in the current low
interest rate levels.

      The Trust added to its stripped  mortgage-backed  security holdings, which
can  be  broken  into  two   sectors:   principal-only   securities   (POs)  and
interest-only securities (IOs). Over the past twelve months, the Trust primarily
added POs, which are the principal portion of a mortgage pass-through  security.
These new  positions  are bonds that have been  structured  to have low interest
rate sensitivity (or "duration") and were bought at attractive dollar prices. As
interest  rates  have  fallen  since  mid-1997,  these  securities  have  posted
excellent total returns.

                                       3

<PAGE>

      We look  forward to  continuing  to manage  the Trust to benefit  from the
opportunities  available to investors in the fixed income  markets as well as to
maintain the Trust's ability to meet its investment objectives. We thank you for
your  investment in the BlackRock  Income Trust Inc. Please feel free to contact
our marketing  center at (800)  227-7BFM  (7236) if you have specific  questions
which were not addressed in this report.

Sincerely,
/s/ Robert Kapito                           /s/ Michael P. Lustig
- -----------------                           ---------------------
Robert Kapito                               Michael P. Lustig
Vice Chairman and Portfolio Manager         Principal and Portfolio Manager
BlackRock Financial Management, Inc.        BlackRock Financial Management, Inc.

- --------------------------------------------------------------------------------
                         THE BLACKROCK INCOME TRUST INC.
- --------------------------------------------------------------------------------
Symbol on New York Stock Exchange:                                       BKT
- --------------------------------------------------------------------------------
Initial Offering Date:                                             July 22, 1988
- --------------------------------------------------------------------------------
Closing Stock Price as of 10/31/97:                                    $6.875
- --------------------------------------------------------------------------------
Net Asset Value as of 10/31/97:                                        $8.12
- --------------------------------------------------------------------------------
Yield on Closing Stock Price as of 10/31/97 ($6.875)1:                  8.18%
- --------------------------------------------------------------------------------
Current Monthly Distribution per Share2:                              $0.046875
- --------------------------------------------------------------------------------
Current Annualized Distribution per Share2:                           $0.56250
- --------------------------------------------------------------------------------
1 Yield on Closing Stock Price is  calculated by dividing the current annualized
  distribution per share by the closing stock price per share.

2 The distribution is not constant and is subject to change.


                                       4

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------
THE BLACKROCK INCOME TRUST INC.
PORTFOLIO OF INVESTMENTS
OCTOBER 31, 1997
- ------------------------------------------------------------------------------------
           PRINCIPAL
  RATING*   AMOUNT                                                           VALUE
(UNAUDITED) (000)                  DESCRIPTION                              (NOTE 1)
- ------------------------------------------------------------------------------------
                    LONG-TERM INVESTMENTS--140.4%
                    MORTGAGE PASS-THROUGHS--23.8%
                    Federal Home Loan Mortgage
                      Corporation,
<S>       <C>       <C>                                                    <C>
          $    44     7.00%, 8/01/26 ..................................    $   43,921
            5,245+    7.50%, 7/01/07 - 2/01/23 ........................     5,375,841
            1,227++   8.00%, 11/01/15 .................................     1,287,586
              744+    8.50%, 6/01/11 ..................................       780,281
            2,064     8.50%, 3/01/06 - 3/01/08, 15 year ...............     2,157,754
            3,627     9.00%, 9/01/20 ..................................     3,914,190
                    Federal Housing Administration,
            4,258     Brookville, 7.50%, 8/01/28 ......................     4,395,198
            3,732     Country Estates, 8.375%, 1/01/35 ................     3,975,844
                    GMAC,
            6,233     Series 33, 7.43%, 9/01/21 .......................     6,384,490
            2,161     Series 46, 7.43%, 1/01/22 .......................     2,224,839
              892     Series 48, 7.43%, 6/01/22 .......................       918,359
              495     Series 51, 7.43%, 2/01/23 .......................       508,126
            7,813     Series 56, 7.43%, 11/01/22 ......................     8,031,400
                    Merrill,
            1,268     Series 54, 7.43%, 5/15/23 .......................     1,306,415
            1,398     Series 95, 7.43%, 3/01/22 .......................     1,438,647
            1,253     Middlesex, 8.625%, 9/01/34 ......................     1,344,344
            4,648     Parkside, 7.30%, 2/01/13 ........................     4,746,217
            1,069     Reilly, Series 41, 8.28%, 3/01/20 ...............     1,131,308
            2,865     Tuttle Grove, 7.25%, 10/01/35 ...................     2,911,616
                    USGI,
            4,348     Polaris 982, 7.43%, 11/01/21 ....................     4,466,846
              926     Series 87, 7.43%, 12/01/22 ......................       956,603
            4,959     Series 99, 7.43%, 10/01/23 ......................     5,144,036
            2,753     Series 1003, 7.43%, 3/01/24 .....................     2,838,460
            2,748     Series 6302, 7.43%, 12/01/21 ....................     2,830,510
            3,597     Waterford, 8.625%, 7/25/27 ......................     3,859,021
            7,054     Yorkville 6094, 7.43%, 6/01/21 ..................     7,254,293
                    Federal National Mortgage Association,
            2,500+    6.50%, 10/25/03, Multifamily ....................     2,524,219
            1,351++   7.00%, 11/01/08 .................................     1,370,601
            5,773+    7.50%, 11/01/14 - 9/01/23,
                      18 year Multifamily .............................     5,797,219
            6,031+@   8.00%, 5/01/08 - 5/01/22 ........................     6,276,806
              726     9.317%, 6/01/19, 10 year Multifamily ............       817,282
              590++   9.484%, 7/01/19, Multifamily ....................       625,393
            1,450     9.497%, 6/01/24, Multifamily ....................     1,532,593
              202     9.50%, 1/01/19 - 6/01/20 ........................       217,369
                    Government National
                      Mortgage Association,
              659     7.00%, 10/15/17 .................................       662,787
           19,304     7.50%, 8/15/21 - 12/15/23 .......................    19,740,945
               41     8.50%, 5/15/01 - 2/15/17 ........................        43,449
            1,034     9.00%, 6/15/18 - 9/15/21 ........................     1,103,106
               13     9.50%, 7/15/16 ..................................        14,519
              400    Overseas Private Investment
                     Corporation, 6.84%, 5/29/12 ......................       403,250
                                                                         ------------
                                                                          121,355,683
                                                                         ------------
                    MULTIPLE CLASS MORTGAGE
                    PASS-THROUGHS--52.9%
AAA         2,100   Citicorp Mortgage Securities Inc.,
                      Series 1994-9, Class A4, 6/25/09 ................     1,998,885
AAA         1,332   Collateralized Mortgage Obligation,
                      Trust 13, Class Q, 1/20/03 ......................     1,452,930
AAA        24,175++ Community Program Loan Trust,
                      Series 1987-A, Class A-4,
                      10/01/18 ........................................    21,674,650
                    CWMBS Incorporated, Mortgage
                      Certificate,
AAA         3,394   SERIES 1993-10, CLASS A-8,
                       1/25/24 (ARM) ..................................     3,095,511
AAA         6,202     Series 1994-9, Class A-16,
                       5/25/24 (ARM) ..................................     5,034,855
                    Federal Home Loan Mortgage
                      Corporation, Multiclass Mortgage
                      Participation Certificate,
           27,426+    Series G-13, Class 13-PP,
                       5/25/21 (I) ....................................     7,862,608
            2,799     Series G24, Class G24-SG,
                       11/25/23 (ARM) .................................     2,315,395
            7,500++   Series 1104, Class 1104-L,
                       6/15/21 ........................................     8,090,625
              922     Series 1347, Class 1347-HC,
                       12/15/21 .......................................       777,642
           28,468+    Series 1353, Class 1353-S,
                       8/15/07 (ARM) ..................................     3,407,295
            1,617     Series 1508, Class 1508-OC,
                       5/15/23 (ARM) ..................................     1,377,533
            2,000     Series 1523, Class 1523-SA,
                       6/15/23 (ARM) ..................................     1,398,120
            2,000     Series 1526, Class 1526-SA,
                       6/15/23 (ARM) ..................................     1,790,900
            2,026     Series 1534, Class 1534-NE,
                       6/15/23 (ARM) ..................................     1,988,204
            1,321     Series 1541, Class 1541-T,
                       7/15/23 ........................................     1,185,924
            2,711     Series 1559, Class 1559- WA,
                       7/15/22 ........................................     2,606,300
            3,562+    Series 1577, Class 1577-SG,
                       10/15/22 (ARM) .................................     2,953,884
           12,305++   Series 1584, Class 1584-FB,
                       9/15/23 ........................................    12,524,868
            1,804     Series 1596, Class 1596-SB,
                       12/15/12 (ARM) .................................     1,535,032

See Notes to Financial Statements.
</TABLE>

                                       5

<PAGE>

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------
           PRINCIPAL
  RATING*   AMOUNT                                                            VALUE
(UNAUDITED) (000)                  DESCRIPTION                               (NOTE 1)
- -------------------------------------------------------------------------------------
<S>         <C>       <C>                                                   <C>     
            $ 930     Series 1609, Class 1609-KA,
                       11/15/23 .......................................     $ 918,830
            2,356     Series 1609, Class 1609-LE,
                       11/15/23 (ARM) .................................     1,975,275
            1,308     Series 1611, Class 1611-PD,
                       11/15/23 (ARM) .................................       818,561
            5,050     Series 1619, Class 1619-SC,
                       11/15/23 (ARM) .................................     4,764,457
            6,543++   Series 1627, Class 1627-S,
                       12/15/23 (ARM) .................................     4,793,860
            5,038     Series 1627, Class 1627-SC,
                       12/15/23 (ARM) .................................     3,603,436
            3,084     Series 1629, Class 1629-OD,
                       12/15/23 (ARM) .................................     2,050,668
            4,805@@   Series 1633, Class 1633-SB,
                       6/15/23 (ARM) ..................................     4,519,899
            5,499@    Series 1673, Class 1673-SC,
                       10/15/22 (ARM) .................................     4,508,995
            1,460     Series 1686, Class 1686-A,
                       2/15/24 ........................................     1,290,406
           75,000     Series 1914, Class 1914-PC,
                       12/15/11 (I) ...................................     1,912,500
                    Federal National Mortgage Association,
                      REMIC Pass-Through Certificates,
            3,746     Trust 1988-16, Class 16-B,
                       6/25/18 ........................................     4,032,060
            1,654     Trust 1990-12, Class 12-G,
                       2/25/20 ........................................     1,516,718
           14,737     Trust G1991-15, Class 15-S,
                       6/25/21 (ARM) ..................................     2,814,689
            3,069     Trust 1991-38, Class 38-F,
                       4/25/21 (ARM) ..................................     3,130,338
            2,597@    Trust 1991-38, Class 38-SA,
                       4/25/21 (ARM) ..................................     2,709,930
            2,876     Trust 1991-87, Class 87-S,
                       8/25/21 (ARM) ..................................     3,056,191
            1,240     Trust G1992-12, Class 12-C,
                       2/25/22 (I) ....................................       415,988
            6,000++   Trust 1992-43, Class 43-E,
                       4/25/22 (ARM) ..................................     6,225,780
            5,752     Trust 1992-187, Class 187-JA,
                       10/25/06 (I) ...................................       512,946
           11,550     Trust 1992-200, Class 200-K,
                       11/25/21 (I) ...................................     1,574,222
              768     Trust G1993-27, Class 27-SB,
                       8/25/23 (ARM) ..................................       597,473
            1,504     Trust 1993-50, Class 50-SH,
                       1/25/23 (ARM) ..................................     1,327,006
            2,768+    Trust 1993-53, Class 53-M,
                       4/25/23 ........................................     2,522,869
            2,867     Trust 1993-54, Class 54-SD,
                       4/25/23 (ARM) ..................................     2,490,461
            2,137     Trust 1993-82, Class 82-SB,
                       5/25/23 (ARM) ..................................     1,696,280
            2,232     Trust 1993-87, Class 87-L,
                       6/25/23 ........................................     2,226,760
              864     Trust 1993-97, Class 97-TA,
                       5/25/23 ........................................       837,207
            3,759++   Trust 1993-98, CLASS 98-SC,
                       7/25/22 (ARM) ..................................     3,548,501
              983     Trust 1993-116, Class 116-SB,
                       7/25/23 (ARM) ..................................       784,085
            2,000     Trust 1993-120, Class 120-SN,
                       7/25/23 (ARM) ..................................     1,728,780
            1,963     Trust 1993-129, Class 129-SE,
                       8/25/08 (ARM) ..................................     1,914,807
            2,793     Trust 1993-139, Class 139-SJ,
                       8/25/23 (ARM) ..................................     1,865,271
              817     Trust 1993-167, Class 167-SA,
                       9/25/23 (ARM) ..................................       817,407
            6,000     Trust 1993-169, Class 169-SC,
                       3/25/23 (ARM) ..................................     4,368,420
            5,358     Trust 1993-178, Class 178-A,
                       9/25/23 ........................................     5,229,263
            2,776     Trust 1993-179, Class 179-SC,
                       10/25/23 (ARM) .................................     3,127,939
            1,346     Trust 1993-179, Class 179-VC,
                       10/25/21 (ARM) .................................       955,614
            2,783     Trust 1993-183, Class 183-SE,
                       10/25/23 (ARM) .................................     2,428,915
            3,314     Trust 1993-187, Class 187-S,
                       9/25/23 (ARM) ..................................     2,810,105
            5,494     Trust 1993-202, Class 202-VS,
                       2/25/23 (ARM) ..................................     5,466,966
            1,576     Trust 1993-223, Class 223-SJ,
                       12/25/23 (ARM) .................................     1,157,205
            2,223     Trust 1993-224, Class 224-S,
                       11/25/23 (ARM) .................................     1,769,012
            1,908     Trust 1993-224, Class 224-SH,
                       11/25/23 (ARM) .................................     1,595,856
            2,562     Trust 1993-247, Class 247-SN,
                       12/25/23 (ARM) .................................     2,975,539
            5,643     Trust 1993-248, Class 248-FB,
                       9/25/23 ........................................     5,042,104
            3,935     Trust 1993-256, Class 256-F,
                       11/25/23, (ARM) ................................     3,677,332
           15,428     Trust G1994-6, Class 6-PK,
                       11/17/22 (I) ...................................     2,569,906
            3,777     Trust 1994-14, Class 14-S,
                       10/25/23 (ARM) .................................     2,261,312
            4,627     Trust 1994-19, Class 19-SB,
                       1/25/24 (ARM) ..................................     2,377,915
              387     Trust 1994-27, Class 27-SE,
                       3/25/23 (ARM) ..................................       431,937
            5,294     Trust 1994-29, Class 29-SD,
                       7/25/23 (ARM) ..................................     4,016,663
            4,329     Trust 1994-41, Class 41-SA,
                       3/25/24 (ARM) ..................................     4,136,963
           10,623     Trust 1994-59, Class 59-SB,
                       3/25/24 (ARM) ..................................     6,334,233
           14,300+    Trust 1996-14, Class 14-AB,
                       8/25/23 (P) ....................................     5,380,375

See Notes to Financial Statements.

                                       6
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------
            PRINCIPAL
  RATING*    AMOUNT                                                            VALUE
(UNAUDITED)  (000)             DESCRIPTION                                   (NOTE 1)
- -------------------------------------------------------------------------------------
<S>       <C>         <C>                                                   <C>
          $ 6,797+    Trust 1996-14, Class 14-M,
                      10/25/21 .......................................      5,760,542
           15,070++   Trust 1997-30, Class 30-I,
                      1/25/23 (I) ....................................      4,238,521
           25,000     Trust 1997-50, Class 50-HK,
                      8/25/27 (I) ....................................      9,886,719
AAA         8,598   G. E. Capital Mortgage Services
                      Incorporated, REMIC Certificate 94-7
                      Class A-17, 2/25/09 (ARM) ......................      7,275,996
                    Prudential Home Mortgage
                      Securities Co., Mortgage
                      Pass-Through Certificates,
Aaa           743     Series 1993-43, Class A-16,
                      10/25/23 (ARM) ..................................       650,037
Aaa         2,500     Series 1993-48, Class A-8,
                      12/25/08 (ARM) ..................................     2,050,000
AAA           146   Resolution Trust Corporation,
                      Mortgage Pass-Through Certificates,
                      Series 1992-2,  Class B-3,  11/25/21 ............       145,526
AAA         8,935   Salomon Capital Access Corporation,
                      Collateralized Mortgage Obligations,
                      Series 1986-1, Class C, 9/01/15 .................     9,180,276
                                                                          -----------
                                                                          269,875,008
                                                                          -----------
                    COMMERCIAL MORTGAGE-BACKED
                    SECURITIES--4.7%
AAA         3,180   Asset Securitization Corporation,
                      Commercial Mortgage 1997-D5,
                      Class PS 1, 1.375%, 2/14/41 .....................       347,813
AAA        44,410   Credit Suisse First Boston Mortgage,
                      Commercial Mortgage Certificate
                      1997, Class C-1, 144A,
                      1.77%, 6/20/29 ..................................     5,114,144
AAA       140,000   KPAC, Series 1994-C1,
                      Zero Coupon, 2/01/01 ............................         1,400
AAA         6,000   ML Mortgage Investments,
                      Series 1996-C1, Class A-3,
                      7.42%, 4/25/28 ..................................     6,307,672
AAA            57   Morgan Stanley Capital I Incorporated,
                      Commercial Mortgage Certificate
                      1997, Class HF-1, 144A,
                      Zero Coupon, 6/15/17 ............................         5,562
AAA        10,250   NYC Mortgage Loan Trust,
                      Series 1996, Class A-2, 144A,
                      6.75%, 6/25/11 ..................................    10,278,828
AAA         2,000   PaineWebber Mortgage Acceptance
                      Corporation IV, Series1995-M1,
                      Class B, 144A, 6.95%, 1/15/07 ...................     2,039,727
                                                                           ----------
                                                                           24,095,146
                                                                           ----------
                    ASSET-BACKED SECURITIES--1.8%
AAA         6,167++ Chase Manhattan Grantor Trust,
                      Series 1996-B, Class A,
                      6.61%, 9/15/02 .................................      6,207,074
AAA         3,000   Student Loan Marketing Trust,
                      Series 1997-3, Class A-2,
                      5.78%, 10/25/10 ................................      2,975,625
                                                                          -----------
                                                                            9,182,699
                                                                          -----------
                    STRIPPED MORTGAGE-BACKED
                    SECURITIES--34.6%
Aaa         1,008   Chase Mortgage Finance Corporation,
                      Mortgage Pass-Through Certificates,
                      Series 1994-A, Class AP,
                      1/25/10 (P/O) ..................................        789,681
AAA         1,175   Collateralized Mortgage Obligation,
                      Trust 29, Class A, 5/23/17 (P/O) ...............        914,244
                    DBL, Collateralized Mortgage
                      Obligation,
AAA           426     Trust K, Class K-1, 9/23/17 (P/O) ..............        368,338
AAA         4,443     Trust V, Class V-1, 9/01/18 (P/O) ..............      3,493,007
                    Federal Home Loan Mortgage
                      Corporation Participation
            2,317     Series T-8, Class A-10,
                       8/15/27 (P/O) .................................      1,416,933
            4,790     Series 1238, Class 1238-J,
                       1/15/07 (I/O) .................................      1,051,104
           22,407     Series 1366, Class 1366-KA,
                       9/15/07 (I/O) .................................      6,612,814
              669     Series 1418, Class 1418-M,
                       11/15/22 (P/O) ................................        248,073
            1,054     Series 1473, Class 1473-JA,
                       2/15/05 (I/O) .................................         75,083
           12,000++   Series 1506, Class 1506-L,
                       3/15/22 (I/O) .................................      2,579,160
           15,540     Series 1632, Class 1632-S,
                       4/15/23 (I/O) .................................        615,395
            8,067     Series 1801, Class 1801-SB,
                       8/15/23 (I/O) .................................      1,119,276
           32,000     Series 1809, Class 1809-SC,
                       12/15/23 (I/O) ................................      3,400,000
           14,069++   Series 1828, Class 1828-A,
                       5/15/24 (P/O) .................................      9,566,885
           18,029     Series 1850, Class 1850-SA,
                       2/15/24 (I/O) .................................      3,031,142
            7,815++   Series 1857, Class 1857-PB,
                       12/15/08 (P/O) ................................      6,798,931
            5,000     Series 1900, Class 1900-SV,
                       8/15/08 (I/O) .................................      1,046,450
            4,828     Series 1917, Class 1917-AS,
                       5/15/08 (I/O) .................................      1,308,846
           38,863     Series 1930, Class 1930-SM,
                       9/15/23 (I/O) .................................        467,567
           17,938     Series 1946, Class 1946-SG,
                       3/15/24 (I/O) .................................      2,550,610
           40,000     Series 1965, Class 1965-SA,
                       3/15/24 (I/O) .................................      5,975,000

See Notes to Financial Statemens.
                                       7
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------
          PRINCIPAL
  RATING*  AMOUNT                                                           VALUE
(UNAUDITED) (000)                  DESCRIPTION                             (NOTE 1)
- -------------------------------------------------------------------------------------
                    STRIPPED MORTGAGE-BACKED
                    SECURITIES (CONTINUED)
<S>      <C>          <C>                                                 <C>    
         $127,250     Series 1968, Class 1968-S,
                       10/15/26 (I/O) ................................    $ 6,780,024
           15,106     Series 2002, Class 2002-HJ,
                       10/15/08 (I/O) ................................      2,341,447
                    Federal National Mortgage Association,
            4,277     Trust A, Class A-2,
                       8/01/10 (I/O) .................................        802,774
            1,250     Trust G50, Class 50-G,
                       12/25/21 (I/O) ................................        551,788
            6,834     Trust 225, Class 1, 2/01/23 (P/O) ..............      5,404,836
           29,261++   Trust G-233, Class 2,
                       8/01/23 (I/O) .................................      8,860,316
            1,916     Trust 267, Class 1,
                       10/01/24 (P/O) ................................      1,527,415
           18,086+    Trust 374, Class 1,
                       10/01/25 (P/O) ................................     14,565,272
            3,600     Trust 280, Class 1,
                       12/31/99 (P/O) ................................      2,908,451
            1,065     Trust 1991-7, Class 7-J,
                       2/25/21 (P/O) .................................        799,416
            4,389     Trust G1992-34, Class 34-A,
                       4/25/22 (I/O) .................................      1,380,615
           20,426     Trust G1992-60, Class 60-SB,
                       10/25/22 (I/O) ................................        703,075
            2,786     Trust 1992-68, Class 68-K,
                       10/25/05 (I/O) ................................        306,379
           41,462     Trust 1992-216, Class 216-S,
                       12/25/22 (I/O) ................................      5,727,147
            1,428     Trust 1993-2, Class 2-KB,
                       1/25/23 (P/O) .................................        508,215
           67,093++   Trust 1993-82, Class 82-SB,
                       5/25/23 (I/O) .................................      7,754,589
            2,466     Trust 1993-113, Class 113-B,
                       7/25/23 (P/O) .................................      1,807,634
            7,152++   Trust 1993-159, Class 159-C,
                       7/25/23 (P/O) .................................      4,648,695
           13,982++   Trust 1993-213, Class 213-H,
                       9/25/23 (P/O) .................................     11,902,794
            2,295     Trust 1994-9, Class 9-C,
                       8/25/23 (P/O) .................................      1,890,270
            3,877     Trust 1994-24, Class 24-D,
                       11/25/23 (P/O) ................................      3,188,719
            4,778     Trust 1994-57, Class 57-C,
                       1/25/24 (P/O) .................................      3,969,516
               99++   Trust 1994-61, Class 61-DB, 
                       3/25/24 (P/O) .................................         69,539
           23,000     Trust 1994-77, Class 77- SB,
                       4/25/24 (I/O) .................................      2,371,875
           13,853     Trust 1995-26, Class 26-SW,
                       2/25/24 (I/O) .................................      2,480,608
            2,560     Trust 1996-5, Class 5-PV,
                       11/25/23 (P/O) ................................      2,156,549
            9,963     Trust 1996-38, Class 38-E,
                       8/25/23 (P/O) .................................      5,414,268
            2,953     Trust 1996-56, Class 56-E,
                       4/25/23 (P/O) .................................      2,146,290
           12,371     Trust 1996-68, Class 68-SC,
                       1/25/24 (I/O) .................................      1,484,506
           77,001     Trust 1997-1, Class 1- S,
                       2/18/04 (I/O) .................................      2,707,060
           99,143     Trust 1997-37, Class 37-SE,
                       10/25/22 (I/O) ................................      2,323,673
           27,000     Trust 1997-65, Class 65-SG,
                       6/25/23 (I/O) .................................      4,573,125
           35,476     Trust 1997-65, Class 65-SB,
                       3/25/24 (I/O) .................................      1,718,384
           11,139     Trust 1997-76, Class 76-SP,
                       12/25/23 (I/O) ................................      1,709,140
AAA         1,223   First Boston Mortgage Securities
                      Corporation, Series 1987-C
                      Class Z, 4/25/17 (I/O) .........................        426,080
                    Housing Security Incorporated,
AAA           437     Series 1992-EB, Class B-8,
                       9/25/22 (P/O) .................................        278,434
AAA           624     Series 1993-D, Class D-8,
                       6/25/23 (P/O) .................................        394,551
                    Kidder Peabody Acceptance
                    Corporation,
AAA         1,594     Series B, Class B-2,
                       4/22/18 (I/O) .................................        448,370
AAA         2,979     Series B Class B-1,
                       4/22/18 (P/O) .................................      2,269,954
AAA         4,224   Structured Asset Securities Corporation,
                      Series 1991-2, Class GA,
                      12/20/21 (I/O) .................................      1,069,325
AAA           918   Structured Mortgage Asset Trust,
                      Series 1993-3C, Class CX,
                      4/25/24 (P/O) ..................................        577,254
AAA           421   Prudential Securities, Inc. Collateralized
                      Mortgage Obligation, Trust 15,
                      Class 1G, 5/20/21 (I/O).........................        521,563
                                                                          -----------
                                                                          176,898,474
                                                                          -----------
                    U.S GOVERNMENT SECURITIES--21.8%
                    Small Business Administration,
            4,274     Series 1995-10C,
                       7.35%, 8/01/05 ................................      4,467,946
            4,571     Series 1996-20E,
                       7.60%, 5/01/16 ................................      4,834,010
            4,164     Series 1996-20G,
                       7.70%, 7/01/16 ................................      4,430,289
            3,893     Series 1996-20H,
                       7.25%, 8/01/16 ................................      4,040,817
            6,836     Series 1996-20K,
                       6.95%, 11/01/16 ...............................      7,009,312
            3,845     Series 1996-20F,
                       7.55%, 6/01/16 ................................      4,055,862
            2,959     Series 1997-20C, 
                       7.15%, 3/01/17 ................................      3,055,472

See Notes to Financial Statemens.

                                       8
</TABLE>

<PAGE>
<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------
          PRINCIPAL
  RATING*  AMOUNT                                                            VALUE
(UNAUDITED) (000)                  DESCRIPTION                             (NOTE 1)
- ------------------------------------------------------------------------------------


<S>       <C>                                                           <C>
          $ 6,500   United States Treasury Bonds,
                       6.625%, 2/15/27 ...............................  $  6,892,015
                    United States Treasury Notes,
           60,000+     5.75%, 10/31/02 ...............................    60,084,600
              775      6.00%, 8/15/00 ................................       781,177
           11,140++    6.125%, 8/15/07 ...............................    11,381,961
                                                                        ------------
                                                                         111,033,461
                                                                        ------------
                    CMO RESIDUALS***--0.8%
AAA         5,435   American Housing Trust III, Senior
                      Mortgage Pass-Through Certificates,
                      Series 1, Class 4, (REMIC)**, 3/25/19 ..........       845,915
AAA           328   American Housing Trust VII, Senior
                      Mortgage Pass-Through Certificates,
                      Series A, Class R, (REMIC)**,
                      11/25/20 .......................................     2,142,250
AAA            25   Collateralized Mortgage Obligation,
                      Trust 13**, 1/20/03 ............................       232,155
AAA            45   FBC Mortgage Securities Trust 16,
                      Variable Rate Collateralized Mortgage
                      Obligation, Series A**, 7/01/17 ................       434,130
AAA         3,115   FBC Mortgage Securities Trust 19,
                      Variable Rate Collateralized Mortgage
                      Obligation, Series A**, 10/20/18 ...............       176,600
AAA            43   PaineWebber, Collateralized Mortgage
                      Obligation, Series N, Class 7,
                      (REMIC), 1/01/19 ...............................       208,550
                                                                        ------------
                                                                           4,039,600
                                                                        ------------
                    Total Long-Term Investments
                       (cost $676,285,372) ...........................   716,480,071
                                                                        ------------
  CONTRACTS #       SHORT TERM INVESTMENTS--1.5%
  -----------
                    CALL OPTIONS PURCHASED--0.8%
          150,000   Interest Rate Swap
                    6.20% over 3 month LIBOR
                      expires 8/13/99
                       (cost $2,238,750) .............................     3,828,000
                                                                        ------------
                    PUT OPTIONS PURCHASED--.7%
              190   U.S. Treasury Note 6.625%
                    5/31/07 @ 100 expiring 3/19/98 ...................       240,920
          150,000   Interest Rate Swap
                    7.25% over 3 month LIBOR
                      expires 5/12/00 ................................     3,465,000
                                                                        ------------
                    Total put options purchased
                       (Cost $9,630,156) .............................     3,705,920
                                                                        ------------
                    Total Short-Term Investments
                    (Cost $11,868,906) ...............................     7,533,920
                                                                        ------------
                    Total Investments before outstanding
                    call options written and investments sold
                    short--141.9%
                    (Cost $688,154,278) ..............................   724,013,991
                                                                        ------------
                    CALL OPTIONS WRITTEN--(0.8%)
         (450,000)  Interest Rate Swap
                    3 month LIBOR over 6.10%
                      expires 2/13/98 ................................    (3,901,500)
                    (Premium received $1,071,000)
                    INVESTMENTS SOLD SHORT--(5.0%)
          (25,000)  United States Treasury Bonds,
                    6.375%, 8/15/27
                    (proceeds $25,136,719) ...........................   (25,765,500)
                                                                        ------------
                    Total investments, net of
                    outstanding call options
                    written and short sales--136.1%
                     (Cost $661,946,559) .............................   694,346,991
                    Liabilities in excess of other
                    assets--(36.1%) ..................................  (184,117,433)
                                                                        ------------
                    NET ASSETS--100% .................................  $510,229,558
                                                                        ============
</TABLE>

- --------------------------
    * Using the higher of Standard & Poor's or Moody's rating.
   ** Private placements restricted as to resale.

  *** Illiquid securities representing .6% of portfolio assets.
    # One contract equals 100,000 face value.

    + (Partial) principal amount pledged as collateral  for  reverse repurchase
       agreements.
   ++ Entire principal  amount  pledged  as  collateral  for reverse repurchase
      agreements.

    @ (Partial) principal amount pledged as collateral for futures transactions.
   @@ Entire principal amount pledged as collateral for futures transactions.

- --------------------------------------------------------------------------------
                              KEY TO ABBREVIATIONS
      ARM   --  Adjustable Rate Mortgage.
      CMO   --  Collateralized Mortgage Obligation.
      I     --  Denotes a CMO with Interest only characteristics.
      I/O -- Interest only.
      P     --  Denotes a CMO with Principal only characteristics.
      P/O   --  Principal only.
      REMIC --  Real Estate Mortgage Investment Conduit.
- --------------------------------------------------------------------------------

See Notes to Financial Statements.

                                       9

<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK INCOME TRUST INC.
STATEMENT OF ASSETS AND LIABILITIES
OCTOBER 31, 1997
- --------------------------------------------------------------------------------
ASSETS
Investments, at value (cost $688,154,278) (Note 1) .........    $724,013,991
Cash .......................................................          45,493
Receivable for investments sold ............................      62,927,826
Deposit with brokers as collateral for
investments sold short (Note 1) ............................      25,937,500
Interest receivable ........................................       5,685,327
Interest rate caps, at value
  (amortized cost $10,320,437)
(Notes 1 & 3) ..............................................       5,181,120
                                                                ------------
                                                                 823,791,257
                                                                ------------


LIABILITIES
Reverse repurchase agreements (Note 4) .....................     228,530,200
Payable for investments purchased ..........................      52,258,029
Investment sold short, at value
  (proceeds $25,136,719) (Note 1) ..........................      25,765,500
Call option written, at value
  (premium received $1,071,000)
    (Note 1) ...............................................       3,901,500
Unrealized depreciation on interest
 rate swaps
  (Note 1 & 3) .............................................         590,539
Due to broker-variation margin .............................         582,016
Interest payable ...........................................         337,806
Advisory fee payable (Note 2) ..............................         276,710
Dividends payable ..........................................         231,089
Administration fee payable (Note 2) ........................          85,142
Other accrued expenses .....................................       1,003,168
                                                                ------------
                                                                 313,561,699
                                                                ------------
NET ASSETS .................................................    $510,229,558
                                                                ============
Net assets were comprised of:
  Common stock, at par (Note 5) ............................    $    628,499
  Paid-in capital in excess of par .........................     563,355,769
                                                                ------------
                                                                 563,984,268
  Distributions in excess of net
    investment income ......................................      (1,629,913)
  Accumulated net realized losses ..........................     (77,784,198)
  Net unrealized appreciation ..............................      25,659,401
                                                                ------------
Net assets, October 31, 1997 ...............................    $510,229,558
                                                                ============
Net asset value per share:
  ($510,229,558 / 62,849,878 shares of
  common stock issued and outstanding) .....................           $8.12
                                                                       =====


- --------------------------------------------------------------------------------
THE BLACKROCK INCOME TRUST INC.
STATEMENT OF OPERATIONS
YEAR ENDED OCTOBER 31, 1997
- --------------------------------------------------------------------------------
NET INVESTMENT INCOME
Income
  Interest (net of premium amortization of $15,366,825
  and interest expense of $11,495,300) .....................   $ 41,109,234
                                                               ------------

Expenses
  Investment advisory ......................................      3,146,229
  Administration ...........................................        968,071
  Reports to shareholders ..................................        240,000
  Transfer agent ...........................................        100,000
  Audit ....................................................         70,000
  Directors ................................................         70,000
  Custodian ................................................         55,000
  Legal ....................................................         25,000
  Miscellaneous ............................................        189,979
                                                               ------------
    Total operating expenses ...............................      4,864,279
                                                               ------------
  Net investment income ....................................     36,244,955
                                                               ------------


REALIZED AND UNREALIZED GAIN (LOSS)
ON INVESTMENTS (NOTE 3)
Net realized gain (loss) on:
  Investments ..............................................     22,213,381
  Options ..................................................        664,669
  Futures ..................................................    (10,768,972)
  Short sales ..............................................     (1,167,923)
                                                               ------------
                                                                 10,941,155
                                                               ------------
Net change in unrealized appreciation/(depreciation) on:
  Investments ..............................................     28,952,527
  Options ..................................................     (7,797,070)
  Interest rate caps .......................................     (5,139,317)
  Futures ..................................................      4,923,205
  Short sales ..............................................       (628,781)
                                                               ------------
                                                                 20,310,564
                                                               ------------
  Net gain on investments ..................................     31,251,719
                                                               ------------


NET INCREASE IN NET ASSETS

RESULTING FROM OPERATIONS ..................................   $ 67,496,674
                                                               ============


See Notes to Financial Statements.

                                       10
<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK INCOME TRUST INC.
STATEMENT OF CASH FLOWS
YEAR ENDED OCTOBER 31, 1997
- --------------------------------------------------------------------------------
INCREASE (DECREASE) IN CASH
  Cash flows provided by operating activities:
  Interest received .............................                $ 69,492,278
  Operating expenses paid .......................                  (4,363,822)
  Interest expense paid .........................                 (11,503,266)
  Proceeds of short-term portfolio investments
    including options, net ......................                  17,833,982
  Purchase of long-term portfolio investments ...              (1,544,376,562
  Proceeds from disposition of long-term
    portfolio investments .......................               1,489,911,159
  Variation margin on futures ...................                  (5,980,553)
                                                              ---------------
  Net cash flows provided by operating activities                  11,013,216
                                                              ---------------
Cash flows used for financing activities:
  Increase in reverse repurchase agreements .....                  24,092,662
  Cash dividends paid ...........................                 (35,315,771)
                                                              ---------------
  Net cash flows used for financing activities ..                 (11,223,109)
                                                              ---------------
Net decrease in cash ............................                    (209,893)
Cash at beginning of year .......................                     255,386
                                                              ---------------
Cash at end of year .............................             $        45,493
                                                              ===============
RECONCILIATION OF NET INCREASE IN NET
ASSETS TO NET CASH PROVIDED BY
OPERATING ACTIVITIES
Net increase in net assets resulting from
  operations .................................                   $ 67,496,674
                                                              ---------------
Increase in investments ......................                    (27,514,566)
Decrease in interest receivable ..............                      1,520,919
Increase in receivable for investments sold ..                    (41,334,824)
Decrease in variation margin payable .........                       (134,786)
Net realized gains ...........................                    (10,941,155)
Increase in unrealized appreciation ..........                    (20,310,564)
Increase in depreciation of forward swap .....                        590,539
Increase in options ..........................                      3,578,834
Increase in payable for investments sold short                     25,765,500
Increase in payable for investments purchased                      42,937,532
Decrease in interest payable .................                         (7,966)
Increase in deposits with brokers for
  investments sold short .....................                    (25,937,500)
Increase in interest rate caps ...............                     (5,195,878)
Increase in accrued expenses and other
  liabilities ................................                        500,457
                                                              ---------------
  Total adjustments ..........................                    (56,483,458)
                                                              ---------------
Net cash provided by operating activities ....                   $ 11,013,216
                                                              ===============

- --------------------------------------------------------------------------------
THE BLACKROCK INCOME TRUST INC.
STATEMENTS OF CHANGES
IN NET ASSETS
- --------------------------------------------------------------------------------
INCREASE (DECREASE)
IN NET ASSETS
                                         Year                        Year
                                        Ended                        Ended
                                   October 31, 1997            October 31, 1996
                                   ----------------            ----------------
Operations:
  Net investment income ...........  $ 36,244,955                 $ 34,793,885

  Net realized gain (loss) on
    investments, futures,
    short sales, and options ......    10,941,155                  (19,446,793)

  Net change in net unrealized
    appreciation on investments,
    futures, short sales and
     options ......................    20,310,564                   18,753,681
                                     ------------                 ------------

  Net increase in
    net assets resulting from
    operations ....................    67,496,674                   34,100,773

Dividends from net investment
income ............................   (35,352,309)                 (34,793,885)

Distributions in excess of net
  investment income ...............        --                       (2,522,559)
                                     ------------                 ------------


  Total increase (decrease) .......    32,144,365                   (3,215,671)

NET ASSETS

  Beginning of year ...............   478,085,193                  481,300,864
                                     ------------                 ------------

  End of year .....................  $510,229,558                 $478,085,193
                                     ============                 ============
See Notes to Financial Statements.
                                       11
<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK INCOME TRUST INC.
FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------


<TABLE>
<CAPTION>

                                                                           YEAR ENDED OCTOBER 31,
                                                       ----------------------------------------------------------------
<S>                                                    <C>           <C>          <C>            <C>           <C> 
PER SHARE OPERATING PERFORMANCE:                         1997          1996         1995           1994          1993
                                                         -----         -----       -----          -----         -----
Net asset value, beginning of year .................   $   7.61      $   7.66     $   7.25       $   8.75      $   8.90
                                                       --------      --------     --------       --------      --------
  Net investment income (net of $.18, $.17, $.22, $.10
    and $.09, respectively, of interest expense) ...        .58           .55          .51            .73           .91
  Net realized and unrealized gain (losses) on
    investments, short sales, futures and options ..        .49          (.01)         .65          (1.45)         (.21)
                                                       --------      --------     --------       --------      --------
Net increase (decrease) from investment operations .       1.07           .54         1.16           (.72)          .70
                                                       --------      --------     --------       --------      --------
Dividends from net investment income                       (.56)         (.55)        (.66)          (.78)         (.85)
Distributions in excess of net investment income ...         --          (.04)          --             --            --
Return of capital distribution .....................         --            --         (.09)            --            --
                                                       --------      --------     --------       --------      --------
  Total dividends and distributions ................       (.56)         (.59)        (.75)          (.78)         (.85)
                                                       --------      --------     --------       --------      --------
Net asset value, end of year* ......................   $   8.12      $   7.61       $ 7.66       $   7.25      $   8.75
                                                       ========      ========     ========       ========      ========
Per share market value, end of year* ...............   $   67/8      $   61/4       $ 71/4       $   63/8      $   83/8
                                                       ========      ========     ========       ========      ========
TOTAL INVESTMENT RETURN+ ...........................     19.68%        (5.36%)      26.50%        (15.31%)        1.01%

RATIOS TO AVERAGE NET ASSETS:
Operating expenses# ................................      1.02%         1.08%        1.08%          1.10%         1.03%
Net investment income ..............................      7.63%         7.36%        6.85%          9.21%        10.19%
SUPPLEMENTAL DATA:
Average net assets (in thousands) ..................   $474,903      $473,056     $466,449       $496,707      $558,530
Portfolio turnover .................................       220%          440%         267%           223%          121%
Net assets, end of year (in thousands) .............   $510,230      $478,085     $481,301       $455,651      $549,755
Reverse repurchase agreements outstanding,
  end of year (in thousands) .......................   $228,530      $204,438     $214,438       $109,286      $ 74,700
Asset coverage++ ...................................   $  3,233      $  3,339      $ 3,244       $  5,169      $  8,360

- -------------------
    * NAV and market value are published in The Wall Street Journal each Monday.

    # The ratios of operating  expenses including interest expense to average net
      assets were 3.44%,  3.38%,  4.08%, 2.32%, and 2.02% for the years indicated
      above, respectively.

    + Total investment  return is calculated  assuming a purchase of common stock
      at the  current  market  price on the first  day and a sale at the  current
      market  price  on the  last  day  of  each  year  reported.  Dividends  and
      distributions  are  assumed,  for  purposes  of  this  calculation,  to  be
      reinvested at prices obtained under the Trust's dividend reinvestment plan.
      This calculation does not reflect brokerage  commissions.  Total investment
      returns for periods of less than one full year are not annualized.

   ++ Per $1,000 of reverse repurchase agreement outstanding.

      The information above represents the audited operating performance data for
      a share of common stock  outstanding,  total investment  return,  ratios to
      average  net assets and other  supplemental  data,  for each of the periods
      indicated.  This  information  has been  determined  based  upon  financial
      information  provided in the financial statements and market value data for
      the Trust's shares.

                       See Notes to Financial Statements.

</TABLE>

                                       12

<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK INCOME TRUST INC.
NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

NOTE 1.  ACCOUNTING  POLICIES
The BlackRock  Income Trust Inc. (the  "Trust"),  a Maryland  corporation,  is a
diversified  closed-end  management investment company. The investment objective
of the Trust is to achieve high monthly income  consistent with  preservation of
capital.  The  ability of issuers of debt  securities  held by the Trust to meet
their  obligations  may be  affected  by  economic  developments  in a  specific
industry  or  region.  No  assurance  can be given that the  Trust's  investment
objective will be achieved.

   The following is a summary of significant accounting policies followed by the
Trust.

SECURITIES VALUATION:  The Trust values mortgage-backed,  asset-backed and other
debt securities on the basis of current market quotations provided by dealers or
pricing services approved by the Trust's Board of Directors.  In determining the
value of a particular  security,  pricing  services may use certain  information
with respect to transactions in such securities, quotations from dealers, market
transactions in comparable  securities,  various  relationships  observed in the
market  between  securities,  and  calculated  yield measures based on valuation
technology commonly employed in the market for such securities.  Exchange-traded
options are valued at their last sales price as of the close of options  trading
on the applicable  exchanges.  In the absence of a last sale, options are valued
at the average of the quoted bid and asked prices as of the close of business. A
futures  contract  is  valued  at the last  sale  price  as of the  close of the
commodities  exchange on which it trades  unless the Trust's  Board of Directors
determines  that such price does not reflect  its fair  value,  in which case it
will be  valued  at its  fair  value  as  determined  by the  Trust's  Board  of
Directors.  Any  securities  or other  assets  for  which  such  current  market
quotations  are not readily  available are valued at fair value as determined in
good faith under procedures established by and under the general supervision and
responsibility of the Trust's Board of Directors.

   Short-term securities which mature in 60 days or less are valued at amortized
cost,  if their  term to  maturity  from  date of  purchase  is 60 days or less.
Short-term securities with a term to maturity greater than 60 days from the date
of purchase are valued at current market quotations until maturity.

   In  connection  with  transactions  in  repurchase  agreements,  the  Trust's
custodian takes possession of the underlying collateral securities, the value of
which at least  equals  the  principal  amount  of the  repurchase  transaction,
including  accrued  interest.  To the  extent  that any  repurchase  transaction
exceeds one business day, the value of the collateral is  marked-to-market  on a
daily basis to ensure the adequacy of the collateral. If the seller defaults and
the value of the collateral declines or if bankruptcy  proceedings are commenced
with respect to the seller of the security, realization of the collateral by the
Trust may be delayed or limited. OPTION SELLING/PURCHASING: When the Trust sells
or purchases an option,  an amount equal to the premium  received or paid by the
Trust is recorded as a liability or an asset and is subsequently adjusted to the
current  market value of the option written or purchased.  Premiums  received or
paid from writing or purchasing  options which expire unexercised are treated by
the Trust on the  expiration  date as realized  gains or losses.  The difference
between the  premium  and the amount  paid or  received  on  effecting a closing
purchase or sale transaction,  including brokerage commissions,  is also treated
as a realized  gain or loss.  If an option is  exercised,  the  premium  paid or
received  is added to the  proceeds  from  the sale or cost of the  purchase  in
determining  whether  the  Trust  has  realized  a gain or a loss on  investment
transactions.  The  Trust,  as writer of an  option,  may have no  control  over
whether the underlying securities may be sold (call) or purchased (put) and as a
result  bears  the  market  risk of an  unfavorable  change  in the price of the
security underlying the written option.

   Options,  when used by the Trust,  help in  maintaining a targeted  duration.
Duration is a measure of the price  sensitivity  of a security or a portfolio to
relative changes in interest rates. For instance, a duration of "one" means that
a portfolio's or a security's price would be expected to change by approximately
one percent  with a one percent  change in interest  rates,  while a duration of
five  would  imply  that the price  would  move  approximately  five  percent in
relation to a one percent change in interest rates.

   Option  selling and  purchasing is used by the Trust to  effectively  "hedge"
positions  so that  changes in interest  rates do not change the duration of the
portfolio  unexpectedly.  In general,  the Trust uses options to hedge a long or
short  position  or an  overall  portfolio  that is longer or  shorter  than the
benchmark  security.  A call option gives the  purchaser of the option the right
(but not  obligation)  to buy, and obligates the seller to sell (when the option
is exercised), the underlying position at the exercise price at any time or at a
specified time during the option period. A put option gives the holder the right
to sell and obligates the writer to buy the underlying  position at the exercise
price at any time or at a specified time during the option  period.  Put options
can be purchased to  effectively  hedge a position or a portfolio  against price
declines  if a  portfolio  is  long.  In the same  sense,  call  options  can be
purchased to hedge a portfolio that is shorter than its benchmark


                                       13

<PAGE>

against price  changes.  The Trust can also sell (or write) covered call options
and put options to hedge portfolio positions.

   The main risk that is associated with  purchasing  options is that the option
expires without being exercised.  In this case, the option expires worthless and
the premium paid for the option is considered the loss. The risk associated with
writing call options is that the Trust may forego the  opportunity  for a profit
if the  market  value of the  underlying  position  increases  and the option is
exercised. The risk in writing put options is that the Trust may incur a loss if
the  market  value  of the  underlying  position  decreases  and the  option  is
exercised.  In addition,  as with futures  contracts,  the Trust risks not being
able to enter into a closing transaction for the written option as the result of
an  illiquid  market.

SWAP  OPTIONS:  Swap  options are similar to options on  securities  except that
instead of selling or purchasing the right to buy or sell a security, the writer
or  purchaser of the swap option is granting or buying the right to enter into a
previously  agreed  upon  interest  rate swap  agreement  at any time before the
expiration of the option.  Premiums  received or paid from writing or purchasing
options are recorded as liabilities or assets and are  subsequently  adjusted to
the current market value of the option written or purchased.  Premiums  received
or paid from writing or purchasing  options which expire unexercised are treated
by the Trust on the expiration date as realized gains or losses.  The difference
between the  premium  and the amount  paid or  received  on  effecting a closing
purchase or sale transaction, including brokerage commission, is also treated as
a realized gain or loss. If an option is exercised, the premium paid or received
is added to the proceeds  from the sale or cost of the  purchase in  determining
whether the Trust has realized a gain or loss on investment transactions.

   The main risk that is  associated  with  purchasing  swap options is that the
swap option expires  without being  exercised.  In this case, the option expires
worthless and the premium paid for the swap option is considered  the loss.  The
main risk that is  associated  with the  writing of a swap  option is the market
risk of an unfavorable  change in the value of the interest rate swap underlying
the written swap option.

   Swap  options may be used by the Trust to manage the  duration of the Trust's
portfolio  reflecting  the view of the Trust's  management  in the  direction of
interest rates.

FINANCIAL  FUTURES  CONTRACTS:  A futures  contract is an agreement  between two
parties to buy and sell a financial instrument for a set price on a future date.
Initial margin deposits are made upon entering into futures contracts and can be
either  cash or  securities.  During the period the  futures  contract  is open,
changes in the value of the  contract  are  recognized  as  unrealized  gains or
losses by  "marking-to-market"  on a daily basis to reflect the market  value of
the contract at the end of each day's  trading.  Variation  margin  payments are
made or  received,  depending  upon  whether  unrealized  gains  or  losses  are
incurred. When the contract is closed, the Trust records a realized gain or loss
equal to the  difference  between  the  proceeds  from (or cost of) the  closing
transaction and the Trust's basis in the contract.

   Financial  futures  contracts,  when used by the Trust, help in maintaining a
targeted  duration.  Futures  contracts  can be sold to  effectively  shorten an
otherwise longer duration portfolio. In the same sense, futures contracts can be
purchased  to lengthen a portfolio  that is shorter  than its  duration  target.
Thus, by buying or selling futures contracts,  the Trust can effectively "hedge"
positions  so that  changes in interest  rates do not change the duration of the
portfolio unexpectedly.

   The Trust may invest in financial futures contracts primarily for the purpose
of hedging its existing portfolio  securities or securities the Trust intends to
purchase  against  fluctuations in value caused by changes in prevailing  market
interest  rates.  Should  interest  rates move  unexpectedly,  the Trust may not
achieve the  anticipated  benefits of the  financial  futures  contracts and may
realize a loss. The use of futures  transactions  involves the risk of imperfect
correlation in movements in the price of futures  contracts,  interest rates and
the underlying hedged assets. The Trust is also at the risk of not being able to
enter into a closing transaction for the futures contract because of an illiquid
secondary market.  In addition,  since futures are used to shorten or lengthen a
portfolio's  duration,  there is a risk that the portfolio may have  temporarily
performed better without the hedge or that the Trust may lose the opportunity to
realize  appreciation  in the market price of the  underlying  positions.

SHORT SALES: The Trust may make short sales of securities as a method of hedging
potential  price declines in similar  securities  owned.  When the Trust makes a
short  sale,  it may  borrow  the  security  sold  short and  deliver  it to the
broker-dealer  through  which  it made  the  short  sale as  collateral  for its
obligation  to deliver the security upon  conclusion of the sale.  The Trust may
have to pay a fee to borrow the  particular  securities  and may be obligated to
pay over any payments received on such borrowed  securities.  A gain, limited to
the price at which the Trust sold the security short, or a loss, unlimited as to
dollar amount,  will be recognized  upon the  termination of a short sale if the
market  price  is  greater  or  less  than  the  proceeds  originally  received.

SECURITIES  LENDING:  The Trust may lend its  portfolio  securities to qualified
institutions.  The loans are secured by collateral at least equal, at all times,
to the market  value of the  securities  loaned.  The Trust may bear the risk of
delay in recovery of, or even loss of rights in, the  securities  loaned  should
the borrower of the securities fail financially. The Trust receives compensation
for lending its  securities in the form of interest on

                                       14

<PAGE>

the loan. The Trust also continues to receive interest on the securities loaned,
and any gain or loss in the market price of the securities loaned that may occur
during the term of the loan will be for the account of the Trust.  The Trust did
not  engage in  securities  lending  during  the year ended  October  31,  1997.

INTEREST  RATE  SWAPS:  In a simple  interest  rate swap,  one  investor  pays a
floating  rate of interest on a notional  principal  amount and receives a fixed
rate of interest on the same notional principal amount for a specified period of
time.  Alternatively,  an  investor  may pay a fixed rate and receive a floating
rate.  Rate swaps were conceived as  asset/liability  management  tools. In more
complex  swaps,  the notional  principal  amount may decline (or amortize)  over
time.

   During the term of the swap,  changes in the value of the swap are recognized
as unrealized gains or losses by "marking-to-market" to reflect the market value
of the swap. When the swap is terminated,  the Trust will record a realized gain
or loss  equal to the  difference  between  the  proceeds  from (or cost of) the
closing transaction and the Trust's basis in the contract, if any.

   The Trust is exposed to credit  loss in the event of  non-performance  by the
other  party to the  mortgage  swap.  However,  the  Trust  does not  anticipate
non-performance by any counterparty.

INTEREST  RATE CAPS:  Interest  rate caps are  similar to  interest  rate swaps,
except  that one party  agrees to pay a fee,  while  the  other  party  pays the
excess, if any, of a floating rate over a specified fixed or floating rate.

   Interest  rate caps are  intended to both manage the  duration of the Trust's
portfolio and its exposure to changes in short term rates.  Owning interest rate
caps reduces the  portfolio's  duration,  making it less sensitive to changes in
interest rates from a market value  perspective.  The effect on income  involves
protection from rising short term rates,  which the Trust experiences  primarily
in the form of leverage.

   The Trust is exposed to credit  loss in the event of  non-performance  by the
other party to the interest  rate cap.  However,  the Trust does not  anticipate
non-performance by any counterparty.

   Transactions  fees paid or received by the Trust are  recognized as assets or
liabilities  and amortized or accreted into interest  expense or income over the
life of the interest rate cap. The asset or liability is  subsequently  adjusted
to the current market value of the interest rate cap purchased or sold.  Changes
in the value of the interest rate cap are  recognized  as  unrealized  gains and
losses.

INTEREST  RATE FLOORS:  Interest rate floors are similar to interest rate swaps,
except  that one party  agrees to pay a fee,  while  the  other  party  pays the
excess, if any, of a floating rate under a specified fixed or floating rate.

   Interest rate floors are used by the Trust to both manage the duration of the
portfolio  and its  exposure to changes in  short-term  interest  rates.  Owning
interest rate floors reduces the portfolio's duration,  making it less sensitive
to changes in  interest  rates from a market  value  perspective.  The effect on
income  involves  protection  from  falling  short term  rates,  which the Trust
experiences primarily in the form of leverage.

   The Trust is exposed to credit  loss in the event of  non-performance  by the
other party to the interest rate floor.  However,  the Trust does not anticipate
non-performance by any counterparty.

   Transactions  fees paid or received by the Trust are  recognized as assets or
liabilities  and amortized or accreted into interest  expense or income over the
life of the interest rate floor. The asset or liability is subsequently adjusted
to the  current  market  value of the  interest  rate floor  purchased  or sold.
Changes in the value of the interest  rate floor are  recognized  as  unrealized
gains and losses.

SECURITIES  TRANSACTIONS AND NET INVESTMENT INCOME:  Securities transactions are
recorded  on the trade  date.  Realized  and  unrealized  gains and  losses  are
calculated  on the  identified  cost basis.  Interest  income is recorded on the
accrual  basis  and  the  Trust  accretes  discount  and  amortizes  premium  on
securities  purchased  using the interest  method.  Expenses are recorded on the
accrual  basis  which may require the use of certain  estimates  by  management.

TAXES: It is the Trust's  intention to continue to meet the  requirements of the
Internal  Revenue Code  applicable  to  regulated  investment  companies  and to
distribute  substantially all of its taxable income to shareholders.  Therefore,
no federal income tax provision is required.

DIVIDENDS  AND  DISTRIBUTIONS:   The  Trust  declares  and  pays  dividends  and
distributions  monthly,  first from net  investment  income,  then from realized
short-term capital gains and other sources, if necessary.  Net long-term capital
gains,  if any,  in  excess  of loss  carryforwards  are  distributed  at  least
annually. Dividends and distributions are recorded on the ex-dividend date.

   Income  distributions  and  capital  gain  distributions  are  determined  in
accordance with income tax regulations which may differ from generally  accepted
accounting  principles.

ESTIMATES:  The preparation of financial statements in conformity with generally
accepted  accounting  principles  requires  management  to  make  estimates  and
assumptions  that  affect the  reported  amounts of assets and  liabilities  and
disclosure of  contingent  assets and  liabilities  at the date of the financial
statements  and the  reported  amounts  of  revenues  and  expenses  during  the
reporting period. Actual results could differ from those estimates.

                                       15

<PAGE>

NOTE 2. AGREEMENTS
The  Trust  has  an  Investment  Advisory  Agreement  with  BlackRock  Financial
Management,  Inc. (the "Adviser"),  a wholly- owned corporate  subsidiary of PNC
Asset  Management  Group,  Inc., the holding company for PNC's asset  management
business,  and an  Administration  Agreement with  Prudential  Investments  Fund
Management LLC ("PIFM"), an indirect,  wholly-owned subsidiary of The Prudential
Insurance Co. of America.

   The investment fee paid to the Adviser is computed weekly and payable monthly
at an  annual  rate of 0.65% of the  Trust's  average  weekly  net  assets.  The
administration  fee paid to PIFM is also computed  weekly and payable monthly at
an annual rate of 0.20% of the first $500 million of the Trust's  average weekly
net assets and 0.15% of any excess.

     Pursuant to the agreements,  the Adviser provides continuous supervision of
the  investment  portfolio and pays the  compensation  of officers of the trust.
PIFM pays occupancy and certain clerical and  accounting costs of rhe Trust. The
Trust bears all other costs and expenses.

NOTE 3. PORTFOLIO SECURITIES
Purchases and sales of investment securities,  other than short-term investments
and dollar rolls, for the year ended October 31, 1997 aggregated  $1,587,314,094
and $1,527,682,678, respectively.

   The  Trust may  invest  without  limit in  securities  which are not  readily
marketable,  including  those  which  are  restricted  as to  disposition  under
securities law ("restricted securities") although the Trust does not expect that
such investments will generally exceed 25% of its portfolio  assets.  At October
31, 1997, the Trust held .6% of its portfolio assets in illiquid  securities all
of which were securities restricted as to resale.

   The Trust may from time to time  purchase  in the  secondary  market  certain
mortgage  pass-through  securities  packaged or master  serviced by PNC Mortgage
Securities Corp. (or Sears Mortgage if PNC Mortgage  Securities Corp.  succeeded
to rights and duties of Sears) or mortgage related  securities  containing loans
or mortgages  originated  by PNC Bank or its  affiliates.  It is possible  under
certain  circumstances,  PNC Mortgage  Securities  Corp. or its affiliates could
have interests  that are in conflict with the holders of these  mortgage  backed
securities,  and such holders could have rights against PNC Mortgage  Securities
Corp. or its affiliates.

   The federal  income tax basis of the Trust's  investments at October 31, 1997
was  $688,184,038  and,  accordingly,  net unrealized  appreciation  for federal
income tax purposes was $35,829,953 (gross unrealized  appreciation-$50,656,113;
gross unrealized depreciation-$14,826,160).

   For federal income tax purposes, the Trust has a capital loss carryforward at
October 31, 1997 of approximately  $81,496,600 of which  approximately  $264,400
will   expire  in  1998,   approximately   $15,072,600   will  expire  in  2001,
approximately  $23,358,100 will expire in 2002,  approximately  $15,428,300 will
expire  in  2003  and  approximately  $27,373,200  will  expire  in  2004.  Such
carryforward  is after  utilization of  approximately  $10,860,700 to offset the
Trust's  net  taxable  gains  recognized  in the year ended  October  31,  1997.
Accordingly,   no  capital  gains   distribution  is  expected  to  be  paid  to
shareholders until net gains have been realized in excess of such amounts.

     During the year ended October 31, 1997,  the Trust  entered into  financial
futures contracts. Details of open contracts at October 31, 1997 are as follows:

                                         VALUE AT       VALUE AT     UNREALIZED
NUMBER OF                EXPIRATION    OCTOBER 31,      TRADE      APPRECIATION/
CONTRACTS     TYPE          DATE          1997          DATE      (DEPRECIATION)
- ---------     ----       ----------    -----------     --------   --------------
Long Positions:
1,000    10 yr. T-Note   Dec 1997    $111,750,000   $111,580,250   $ 169,750
Short Positions: 
1,084    30 yr. T-Bond   Dec 1997     128,438,125    127,784,219    (653,906)
  116    Eurodollar      Dec 1997      27,336,885    027,226,566    (110,284)
  111    Eurodollar      Mar 1998      26,152,988     26,032,217    (120,771)
   96    Eurodollar      June 1998     22,604,400     22,491,971    (112,429)
   86    Eurodollar      Sept 1998     20,233,650     20,133,336    (100,314)
   71    Eurodollar      Dec 1998      16,686,775     16,603,554     (83,221)
                                                                 -----------
                                                                 $(1,011,175)
                                                                 ===========
     The Trust entered into four interest rate caps.  Under all  agreements  the
Trust  receives the excess,  if any, of a floating  rate over a fixed rate.  The
Trust  paid a  transaction  fee for each  agreement.  Details of the caps are as
follows:

<TABLE>
<CAPTION>
NOTIONAL                                                 VALUE AT
AMOUNT      FLOATING     FIXED   TERMINATION  AMORTIZED  OCTOBER 31,      UNREALIZED
(000)         RATE       RATE       DATE        COST       1997         GAIN (LOSS)
- -----         ----       ----       ----        ----       ----         -----------
<C>       <C>            <C>      <C>      <C>          <C>          <C>         
$50,000   3 mth LIBOR    6.00%    2/19/02  $ 1,386,885  $1,022,500   $  (364,385)
100,000   3 mth LIBOR    6.50%     4/4/02    3,175,163   1,454,620    (1,720,543)
100,000   3 mth LIBOR    7.00%    4/18/03    3,128,433   1,471,000    (1,657,433)
100,000   3 mth LIBOR    7.25%    4/23/03    2,629,956   1,233,000    (1,396,956)
                                           -----------  ----------   -----------
                                           $10,320,437  $5,181,120   $(5,139,317)
                                           ===========  ==========   ===========
</TABLE>
   Details of open interest rate swaps at October 31, 1997 are as follows:

 CURRENT
NOTIONAL
 AMOUNT                     FIXED                   TERMINATION   UNREALIZED
  (000)          TYPE        RATE     FLOATING RATE     DATE     DEPRECIATION
 -------         ----       -----     ------------- -----------  ------------
$ (20,000)  Interest Rate   7.50%    1 month LIBOR0   4/25/02     $ (668,000)
   (5,455)  Forward Rate    7.235%   1 month LIBOR0   6/15/11         77,461
                                                                  ----------
                                                                  $ (590,539)
                                                                  ==========

   Details of open swaption at October 31, 1997 are as follows:

NOTIONAL                                                             VALUE AT
 AMOUNT              FIXED      FLOATING    TERMINATION    COST/    OCTOBER 31,
 (000)      TYPE     RATE         RATE          DATE     (PREMIUM)     1997
- -------     ----     -----      --------    -----------  ---------  -----------
Purchased:
$150,000    Call     6.20%    3 month LIBOR   8/13/99   $2,238,750   $3,828,000
 150,000    Put      7.25%    3 month LIBOR   5/12/00    6,795,000    3,465,000

   Written:
(450,000)   Call     6.10%    3 month LIBOR   2/23/98  $(1,071,000) $(3,901,500)


NOTE 4. BORROWINGS REVERSE REPURCHASE AGREEMENTS: 
The Trust enters into reverse repurchase agreements with qualified,  third party
broker-dealers  as determined by and under the direction of the Trust's Board of
Directors.  Interest on the value of reverse  repurchase  agreements  issued and
outstanding is based upon

                                       16
<PAGE>

competitive  market rates at the time of issuance.  At the time the Trust enters
into a reverse repurchase  agreement,  it establishes and maintains a segregated
account with the lender  containing  liquid high grade securities having a value
not less than the repurchase price,  including accrued interest,  of the reverse
repurchase agreement.

   The average daily balance of reverse repurchase agreements outstanding during
the year ended  October 31, 1997 was  approximately  $207,489,000  at a weighted
average  interest rate of  approximately  5.54%.  The maximum  amount of reverse
repurchase  agreements  outstanding  at any  month-end  during  the  period  was
$237,843,125 as of May 31, 1997, which was 32.92% of total assets.

DOLLAR  ROLLS:  The Trust  enters  into  dollar  rolls in which the Trust  sells
securities  for delivery in the current  month and  simultaneously  contracts to
repurchase  substantially similar (same type, coupon and maturity) securities on
a specified future date.  During the roll period the Trust forgoes principal and
interest paid on the securities. The Trust is compensated by the interest earned
on the cash  proceeds of the initial sale and by the lower  repurchase  price at
the future date. The Trust did not enter into dollar rolls during the year ended
October 31, 1997.

NOTE 5.  CAPITAL
There are 200 million shares of $.01 par value common stock  authorized.  Of the
62,849,878  shares  outstanding  at October 31, 1997,  the Adviser  owned 10,753
shares.

NOTE 6. DIVIDENDS
Since October 31, 1997, the Board of Directors of the Trust  declared  dividends
from undistributed  earnings of $0.046875 per share payable November 28, 1997 to
shareholders of record on November 14, 1997.

                                       17

<PAGE>


- --------------------------------------------------------------------------------
                         THE BLACKROCK INCOME TRUST INC.
                         REPORT OF INDEPENDENT AUDITORS
- -------------------------------------------------------------------------------

The Shareholders and Board of Directors of
The BlackRock Income Trust Inc.:

      We have  audited the  accompanying  statement  of assets and  liabilities,
including the portfolio of investments, of The BlackRock Income Trust Inc. as of
October 31,  1997 and the related  statements  of  operations  for the year then
ended and of changes in net  investment  assets for each of the two years in the
period then ended and the financial highlights for each of the five years in the
period then ended. These financial  statements and financial  highlights are the
responsibility of the Trust's  management.  Our  responsibility is to express an
opinion on these  financial  statements  and financial  highlights  based on our
audits.

      We conducted our audits in accordance  with  generally  accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable  assurance  about  whether the  financial  statements  and  financial
highlights are free of material misstatement.  An audit includes examining, on a
test basis,  evidence  supporting  the amounts and  disclosures in the financial
statements.  Our procedures included confirmation of securities owned at October
31, 1997, by correspondence  with the custodian and brokers;  where replies were
not received from brokers, we performed other auditing procedures. An audit also
includes assessing the accounting principles used and significant estimates made
by  management,   as  well  as  evaluating  the  overall   financial   statement
presentation.  We believe  that our audits  provide a  reasonable  basis for our
opinion.

      In our opinion, such financial statements and financial highlights present
fairly, in all material respects, the financial position of The BlackRock Income
Trust Inc. at October 31, 1997, and the results of its  operations,  the changes
in its net  investment  assets and its financial  highlights  for the respective
stated periods, in conformity with generally accepted accounting principles.

/s/ Deloitte & Touche LLP
- -------------------------
Deloitte & Touche LLP

New York, New York
December 12, 1997

                                       18
<PAGE>


- --------------------------------------------------------------------------------
                         THE BLACKROCK INCOME TRUST INC.
                                 TAX INFORMATION
- --------------------------------------------------------------------------------

      We wish to  advise  you as to the  federal  tax  status of  dividends  and
distributions paid by the Trust during its fiscal year ended October 31, 1997.

      During the fiscal year ended  October 31, 1997,  the Trust paid  dividends
and  distributions  of $0.56 per share from net investment  income. For  federal
income tax purposes, the aggregate of any dividends and short-term capital gains
distributions you received are reportable in your 1997 federal income tax return
as ordinary income. Further, we wish to advise you that your income dividends do
not qualify for the dividends received deduction.

      For the purpose of preparing  your 1997 annual  federal income tax return,
however, you should report the amounts as reflected on the appropriate Form 1099
DIV which will be mailed to you in January 1998.

- --------------------------------------------------------------------------------
                           DIVIDEND REINVESTMENT PLAN
- --------------------------------------------------------------------------------

      Pursuant  to  the  Trust's  Dividend   Reinvestment   Plan  (the  "Plan"),
shareholders may elect to have all  distributions of dividends and capital gains
automatically  reinvested  by State  Street  Bank & Trust  Company.  (the  "Plan
Agent")  in  Trust  shares  pursuant  to  the  Plan.  Shareholders  who  do  not
participate in the Plan will receive all  distributions in cash paid by check in
United States dollars mailed  directly to the  shareholders of record (or if the
shares are held in street or other  nominee  name,  then to the  nominee) by the
Custodian, as dividend disbursing agent.

      The Plan Agent serves as agent for the shareholders in  administering  the
Plan.  After the Trust  declares a dividend or determines to make a capital gain
distribution,  the Plan Agent will, as agent for the  participants,  receive the
cash payment and use it to buy Trust shares in the open market,  on the New York
Stock Exchange or elsewhere,  for the participants' accounts. The Trust will not
issue shares under the Plan below net asset value.

      Participants in the Plan may withdraw from the Plan upon written notice to
the Plan Agent and will receive  certificates  for whole Trust shares and a cash
payment will be made for any fraction of a Trust share.

      The Plan Agent's fees for the  handling of the  reinvestment  of dividends
and distributions will be paid by the Trust.  However, each participant will pay
a pro rata share of  brokerage  commissions  incurred  with  respect to the Plan
Agent's open market  purchases in connection with the  reinvestment of dividends
and  distributions.  The automatic  reinvestment of dividends and  distributions
will not relieve  participants of any federal,  state or local income taxes that
may be payable on such dividend or distributions.

      Experience  under  the Plan  may  indicate  that  changes  are  desirable.
Accordingly,  the Trust  reserves  the right to amend or  terminate  the Plan as
applied to any dividend or distribution paid subsequent to written notice of the
change sent to all  shareholders of the Trust at least 90 days before the record
date  for the  dividend  or  distribution.  The  Plan  also  may be  amended  or
terminated  by the Plan  Agent  upon at least 90  days'  written  notice  to all
shareholders  of the Trust.  All  correspondence  concerning  the Plan should be
directed to the Plan Agent at (800) 699-1BFM.  The addresses are on the front of
this report.

- --------------------------------------------------------------------------------
                             ADDITIONAL INFORMATION
- --------------------------------------------------------------------------------

      There have been no material changes in the Trust's  investment  objectives
or policies that have not been approved by the  shareholders,  or to its charter
or by-laws,  or in the principal risk factors  associated with investment in the
Trust.  There have been no changes in the persons who are primarily  responsible
for the day-to-day management of the Trust's portfolio.


                                       19


<PAGE>

- --------------------------------------------------------------------------------
                         THE BLACKROCK INCOME TRUST INC.
                               INVESTMENT SUMMARY
- --------------------------------------------------------------------------------

THE TRUST'S INVESTMENT OBJECTIVE

The  Trust's  investment  objective  is to manage a  portfolio  of high  quality
securities  to achieve high  monthly  income  consistent  with  preservation  of
capital.  The Trust will seek to distribute  monthly income that is greater than
that  obtainable on an annualized  basis by investment in United States Treasury
securities  having the same maturity as the average dollar weighted  maturity of
the Trust's investments.

WHO MANAGES THE TRUST?

BlackRock Financial Management, Inc. ("BlackRock") is the investment adviser for
the Trust.  BlackRock is a registered  investment adviser  specializing in fixed
income  securities.  Currently,  BlackRock  manages  over $50  billion of assets
across the government,  mortgage,  corporate and municipal sectors. These assets
are managed on behalf of institutional and individual investors in 21 closed-end
funds,  which trade on either the New York or American stock exchanges,  several
open-end  funds and separate  accounts for more than 125 clients in the U.S. and
overseas.  BlackRock is a subsidiary  of PNC Asset  Management  Group which is a
division of PNC Bank, one of the nation's largest banking organizations.

WHAT CAN THE TRUST INVEST IN?

The Trust will invest at least 65% of its assets in mortgage-backed  securities.
At least 85% of the  Trust's  assets  must be rated at least "AAA" by Standard &
Poor's or "Aaa" by Moody's at the time of purchase;  of this 85% at least 80% of
the Trust's assets must be rated at least "AAA" by Standard & Poor's at the time
of purchase  while the remaining 5% can be invested in securities at least "AAA"
by  Standard & Poor's,  "Aaa" by Moody's or deemed  "AAA" by the  Advisor at the
time of  purchase.  Additionally,  15% of the Trust's  assets can be invested in
securities  rated at least "AA" by  Standard & Poor's or "Aa" by Moody's at time
of purchase. Under current market conditions, BlackRock expects that the primary
investments of the Trust will be U.S. government  securities,  securities backed
by government  agencies (such as mortgage-backed  securities),  privately issued
mortgage-backed   securities,    commercial   mortgage-backed   securities   and
asset-backed securities.

WHAT IS THE  ADVISER'S  INVESTMENT  STRATEGY?

The Adviser will seek to meet the Trust's  investment  objective by managing the
assets of the Trust so as to provide high  monthly  income  consistent  with the
preservation  of capital.  The Trust will seek to provide monthly income that is
greater  than  that  which  could be  obtained  by  investing  in U.S.  Treasury
securities  with an average  life similar to that of the Trust's  assets.  Under
current market conditions, the average life of the Trust's assets is expected to
be in the  range of seven to ten  years.  Under  other  market  conditions,  the
Trust's average life may vary and may not be predictable  using any formula.  In
seeking the investment objective,  the Adviser may actively manage among various
types of securities in different interest rate environments.

Traditional  mortgage  pass-through   securities  make  interest  and  principal
payments on a monthly basis and can be a source of  attractive  levels of income
to the Trust. While  mortgage-backed  securities in the Trust are of high credit
quality,  they  typically  offer  a yield  spread  above  Treasuries  due to the
uncertainty  of the timing of their cash flows as they are subject to changes in
the rate of  prepayments  when  interest  rates  change  and  either a larger or
smaller  proportion of mortgage holders refinance their mortgages or move. While
mortgage-backed  securities  offer the opportunity for attractive  yields,  they
subject a portfolio to interest rate risk and  prepayment  exposure which result
in reinvestment risk when prepaid principal must be reinvested.

Multiple-class  mortgage  pass-through  securities,  or collateralized  mortgage
obligations  (CMOs),  are also an  investment  that  may be used in the  Trust's
portfolio.  These  securities are issued in multiple classes each of which has a
different  coupon  rate,  stated  maturity and  prioritization  on the timing of
receipt of cash  flows  coming  from  interest  and  principal  payments  on the
underlying mortgages. Principal prepayments can be allocated among the different
classes of a CMO in a number of ways; for instance,  they can be applied to each
of the classes in the order of their respective stated maturities.  This feature
allows an investor to better plan the  average  life of their  investment.  As a
result, these securities may be used by the Trust to help manage prepayment risk
and align the assets of the  portfolio  more closely  with its targeted  average
life.

Additionally,  in order to attempt to protect the  portfolio  from interest rate
risk, the Adviser will attempt to locate  securities with call protection,  such
as commercial  mortgage-backed securities with prepayment penalties or lockouts.
Securities with call protection should provide the portfolio with some degree of
protection against  reinvestment risk during times of lower prevailing  interest
rates.


                                       20


<PAGE>

HOW ARE THE TRUST'S  SHARES  PURCHASED  AND SOLD?  DOES THE TRUST PAY  DIVIDENDS
REGULARLY?

The  Trust's  shares are traded on the New York Stock  Exchange  which  provides
investors with  liquidity on a daily basis.  Orders to buy or sell shares of the
Trust must be placed through a registered broker or financial advisor. The Trust
pays monthly  dividends which are typically paid on the last business day of the
month. For shares held in the shareholder's name, dividends may be reinvested in
additional  shares of the fund through the Trust's transfer agent,  State Street
Bank & Trust Company.  Investors who wish to hold shares in a brokerage  account
should check with their financial  advisor to determine  whether their brokerage
firm offers dividend reinvestment services.

LEVERAGE CONSIDERATIONS IN THE TRUST

Under current  market  conditions,  leverage  increases the income earned by the
Trust.  The  Trust  employs  leverage  primarily  through  the  use  of  reverse
repurchase  agreements  and dollar rolls.  Leverage  permits the Trust to borrow
money at short-term  rates and reinvest that money in  longer-term  assets which
typically offer higher interest  rates.  The difference  between the cost of the
borrowed funds and the income earned on the proceeds that are invested in longer
term assets is the benefit to the Trust from leverage. In general, the portfolio
is typically leveraged at approximately 33-1/3% of total assets.

Leverage also increases the duration (or price  volatility of the net assets) of
the Trust,  which can improve the  performance  of the fund in a declining  rate
environment,  but can cause net  assets to decline  faster  than the market in a
rapidly rising rate environment.  BlackRock's  portfolio  managers  continuously
monitor and  regularly  review the  Trust's  use of  leverage  and the Trust may
reduce,  or unwind,  the amount of leverage  employed should BlackRock  consider
that reduction to be in the best interests of shareholders.

SPECIAL CONSIDERATIONS AND RISK FACTORS RELEVANT TO THE TRUST

THE TRUST IS  INTENDED  TO BE A  LONG-TERM  INVESTMENT  AND IS NOT A  SHORT-TERM
TRADING VEHICLE.

INVESTMENT  OBJECTIVE.  Although  the  objective of the Trust is to provide high
monthly  income  consistent  with  preservation  of  capital,  there  can  be no
assurance that this objective will be achieved.

DIVIDEND  CONSIDERATIONS.  Dividends  paid by the Trust are  likely to vary over
time as fixed income market conditions change. Future dividends may be higher or
lower than the dividend the Trust is currently paying.

LEVERAGE.  The Trust utilizes leverage through reverse repurchase agreements and
dollar rolls,  which  involves  special  risks.  The Trust's net asset value and
market value may be more volatile due to its use of leverage.

MARKET PRICE OF SHARES.  The shares of closed-end  investment  companies such as
the Trust trade on the New York Stock  Exchange  (NYSE symbol:  BKT) and as such
are subject to supply and demand influences.  As a result, shares may trade at a
discount or a premium to their net asset value.

MORTGAGE-BACKED   AND   ASSET-BACKED   SECURITIES.   The  cash  flow  and  yield
characteristics of these securities differ from traditional debt securities. The
major  differences  typically include more frequent payments and the possibility
of prepayments which will change the yield to maturity of the security.

ILLIQUID  SECURITIES.  The Trust may  invest in  securities  that are  illiquid,
although  under current  market  conditions the Trust expects to do so to only a
limited extent. These securities involve special risks.

ANTITAKEOVER  PROVISIONS.  Certain antitakeover provisions will make a change in
the Trust's  business or management  more difficult  without the approval of the
Trust's Board of Directors and may have the effect of depriving  shareholders of
an  opportunity  to sell their shares at a premium above the  prevailing  market
price.

                                       21

<PAGE>

- --------------------------------------------------------------------------------
                         THE BLACKROCK INCOME TRUST INC.
                                    GLOSSARY
- --------------------------------------------------------------------------------


ADJUSTABLE RATE  MORTGAGE-BACKED  SECURITIES (ARMS):  Mortgage  instruments with
interest  rates that adjust at  periodic  intervals  at a fixed  amount over the
market  levels of interest  rates as reflected in  specified  indexes.  ARMS are
backed by mortgage loans secured by real property.

ASSET-BACKED SECURITIES:  Securities backed by various types of receivables such
as automobile and credit card receivables.

CLOSED-END  FUND:  Investment  vehicle which initially  offers a fixed number of
shares and  trades on a stock  exchange.  The fund  invests  in a  portfolio  of
securities in accordance with its stated investment objectives and policies.

COLLATERALIZED  MORTGAGE  OBLIGATIONS (CMOS):  Mortgage-backed  securities which
separate  mortgage pools into short-,  medium-,  and long-term  securities  with
different priorities for receipt of principal and interest. Each class is paid a
fixed  or  floating  rate of  interest  at  regular  intervals.  Also  known  as
multiple-class mortgage pass-throughs.

DISCOUNT: When a fund's net asset value is greater than its stock price the fund
is said to be trading at a discount.

DIVIDEND:  This is income generated by securities in a portfolio and distributed
to  shareholders  after the deduction of expenses.  This Trust declares and pays
dividends on a monthly basis.

DIVIDEND  REINVESTMENT:  Shareholders  may  elect to have all  distributions  of
dividends and capital gains  automatically  reinvested into additional shares of
the Trust.
FHA:  Federal Housing  Administration,  a government  agency that  facilitates a
secondary  mortgage market by providing an agency that guarantees timely payment
of interest and principal on mortgages.

FHLMC:  Federal Home Loan  Mortgage  Corporation,  a publicly  owned,  federally
chartered corporation that facilitates a secondary mortgage market by purchasing
mortgages  from  lenders  such as savings  institutions  and  reselling  them to
investors by means of mortgage-backed  securities.  Obligations of FHLMC are not
guaranteed by the U.S. government, however; they are backed by FHLMC's authority
to borrow from the U.S. government. Also known as Freddie Mac.

FNMA:  Federal  National  Mortgage  Association,  a  publicly  owned,  federally
chartered corporation that facilitates a secondary mortgage market by purchasing
mortgages  from  lenders  such as savings  institutions  and  reselling  them to
investors by means of  mortgage-backed  securities.  Obligations of FNMA are not
guaranteed by the U.S. government,  however; they are backed by FNMA's authority
to borrow from the U.S. government. Also known as Fannie Mae.

GNMA:  Government  National  Mortgage  Association,  a  government  agency  that
facilitates a secondary  mortgage  market by providing an agency that guarantees
timely payment of interest and principal on mortgages.  GNMA's  obligations  are
supported  by the full  faith and  credit of the U.S.  Treasury.  Also  known as
Ginnie Mae.

GOVERNMENT  SECURITIES:  Securities issued or guaranteed by the U.S. government,
or one of its agencies or  instrumentalities,  such as GNMA (Government National
Mortgage  Association),  FNMA (Federal National Mortgage  Association) and FHLMC
(Federal Home Loan Mortgage Corporation).

INTEREST-ONLY  SECURITIES  (I/O):  Mortgage  securities  that  receive  only the
interest  cash flows from an  underlying  pool of mortgage  loans or  underlying
pass-through securities. Also known as a STRIP.

                                       22

<PAGE>

MARKET PRICE: Price per share of a security trading in the secondary market. For
a  closed-end  fund,  this is the price at which one share of the fund trades on
the stock exchange.  If you were to buy or sell shares, you would pay or receive
the market price.

MORTGAGE  DOLLAR ROLLS:  A mortgage  dollar roll is a  transaction  in which the
Trust sells  mortgage-backed  securities  for delivery in the current  month and
simultaneously  contracts to repurchase  substantially similar (although not the
same) securities on a specified future date. During the "roll" period, the Trust
does not receive  principal  and  interest  payments on the  securities,  but is
compensated  for giving up these payments by the difference in the current sales
price (for which the  security  is sold) and lower price that the Trust pays for
the similar  security at the end date as well as the interest earned on the cash
proceeds of the initial sale.

MORTGAGE PASS-THROUGHS: Mortgage-backed securities issued by Fannie Mae, Freddie
Mac or Ginnie Mae.

MULTIPLE-CLASS PASS-THROUGHS: Collateralized Mortgage Obligations.

NET  ASSET  VALUE  (NAV):  Net  asset  value is the  total  market  value of all
securities held by the Trust, plus income accrued on its investments,  minus any
liabilities  including  accrued  expenses,   divided  by  the  total  number  of
outstanding shares. It is the underlying value of a single share on a given day.
Net asset value for the Trust is calculated  weekly and published in BARRON'S on
Saturday and THE WALL STREET JOURNAL each Monday.

PRINCIPAL-ONLY  SECURITIES  (P/O):  Mortgage  securities  that  receive only the
principal  cash flows from an  underlying  pool of mortgage  loans or underlying
pass-through securities. Also known as a STRIP.

PROJECT LOANS: Mortgages for multi-family, low- to middle-income housing.

PREMIUM: When a fund's stock price is greater than its net asset value, the fund
is said to be trading at a premium.

REMIC: A real estate mortgage  investment  conduit is a multiple-class  security
backed by  mortgage-backed  securities or whole  mortgage  loans and formed as a
trust, corporation,  partnership, or segregated pool of assets that elects to be
treated as a REMIC for federal tax  purposes.  Generally,  Fannie Mae REMICs are
formed as trusts and are backed by mortgage-backed securities.

RESIDUALS:   Securities  issued  in  connection  with  collateralized   mortgage
obligations  that  generally  represent  the excess cash flow from the  mortgage
assets  underlying  the CMO after payment of principal and interest on the other
CMO securities and related administrative expenses.

REVERSE  REPURCHASE  AGREEMENTS:  In a reverse repurchase  agreement,  the Trust
sells  securities  and agrees to repurchase  them at a mutually  agreed date and
price.  During  this time,  the Trust  continues  to receive the  principal  and
interest payments from that security. At the end of the term, the Trust receives
the same  securities  that were sold for the same  initial  dollar  amount  plus
interest on the cash proceeds of the initial sale.

STRIPPED MORTGAGE BACKED  SECURITIES:  Arrangements in which a pool of assets is
separated  into two classes that receive  different  proportions of the interest
and principal distribution from underlying mortgage-backed  securities. IO's and
PO's are examples of STRIPs.

                                       23
<PAGE>
BLACKROCK

DIRECTORS
Laurence D. Fink, CHAIRMAN
Andrew F. Brimmer
Richard E. Cavanagh
Kent Dixon
Frank J. Fabozzi
James Grosfeld
James Clayburn La Force, Jr.
Walter F. Mondale
Ralph L. Schlosstein

OFFICERS

Ralph L. Schlosstein, PRESIDENT
Scott Amero, VICE PRESIDENT
Keith T. Anderson, VICE PRESIDENT
Michael C. Huebsch, VICE PRESIDENT
Robert S. Kapito, VICE PRESIDENT
Richard M. Shea, VICE PRESIDENT/TAX
Henry Gabbay, TREASURER
James Kong, ASSISTANT TREASURER
Frank Smith, ASSISTANT TREASURER
Karen H. Sabath, SECRETARY

INVESTMENT ADVISER
BlackRock Financial Management, Inc.
345 Park Avenue
New York, NY 10154
(800) 227-7BFM

ADMINISTRATOR
Prudential Investments Fund Management LLC
Gateway Center Three
100 Mulberry Street
Newark, NJ 07102-4077

CUSTODIAN AND TRANSFER AGENT
State Street Bank and Trust Company
One Heritage Drive
North Quincy, MA 02171
(800) 699-1BFM

INDEPENDENT AUDITORS
Deloitte & Touche LLP
Two World Financial Center
New York, NY 10281-1434

LEGAL COUNSEL
Skadden, Arps, Slate, Meagher & Flom LLP
919 Third Avenue
New York, NY 10022

   This report is for shareholder information. This is not a prospectus intended
for use in the purchase or sale of any securities.

                         THE BLACKROCK INCOME TRUST INC.
                 C/O PRUDENTIAL INVESTMENTS FUND MANAGEMENT LLC
                              Gateway Center Three
                               100 Mulberry Street
                              Newark, NJ 07102-4077
                                 (800) 227-7BFM

[LOGO]   Printed on recycled paper                                   09247F-10-0

THE BLACKROCK
INCOME
TRUST INC.
============================
ANNUAL REPORT
OCTOBER 31, 1997


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