BLACKROCK INVESTMENT QUALITY TERM TRUST INC
N-30D, 2000-08-30
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--------------------------------------------------------------------------------
                THE BLACKROCK INVESTMENT QUALITY TERM TRUST INC.
                       SEMI-ANNUAL REPORT TO SHAREHOLDERS
                          REPORT OF INVESTMENT ADVISOR
--------------------------------------------------------------------------------

                                                                   July 31, 2000

Dear Shareholder:

      In the first half of the year, fears of an open-ended tightening policy by
the Federal Reserve peaked in May, which resulted in a subsequent  relief in the
market  as the U.S.  economy  seemed to  decelerate  significantly.  During  the
period, the Federal Reserve tightened short-term rates by 1.00% in an attempt to
engineer a "soft landing" for the U.S.  economy.  In the first six months of the
new millennium we have witnessed  unprecedented  volatility in both the Treasury
yield curve and the spread sectors.  The Treasury curve inverted  sharply in the
first quarter,  but as weak economic data emerged in the second quarter,  market
participants  embraced an economic  "soft  landing"  scenario  causing the yield
curve to steepen.  The downward revision in growth  expectations  allowed spread
sectors to rally in the month of June, but year-to-date  their performance still
trails Treasuries.

      While  fears  of a  hawkish  Federal  Reserve  and  consequent  risks of a
"hard-landing"  may not  materialize  immediately,  the risks are skewed in that
direction.  A longer period of subdued financial market performance is necessary
to  enable  the  labor  markets  to  build  up  slack,  which  is  an  important
pre-condition  for the Fed to  achieve  its  goal.  Given  the  likelihood  of a
re-emergence  of risk  aversion  in the  capital  markets as well as a continual
increase in the "scarcity premium" of Treasury securities,  we are less inclined
to be aggressive with respect to spread assets.  We are also focusing on the use
of high quality  spread assets to increase the income or "carry" so that a total
return advantage over Treasuries is achieved despite further spread widening.

      This report contains a summary of market conditions during the semi-annual
period and a review of portfolio  strategy by your Trust's  managers in addition
to the  Trust's  unaudited  financial  statements  and a  detailed  list  of the
portfolio's  holdings.  Continued  thanks for your  confidence in BlackRock.  We
appreciate the opportunity to help you achieve your long-term investment goals.

Sincerely,


/s/ Laurence D. Fink                          /s/ Ralph L. Schlosstein

Laurence D. Fink                              Ralph L. Schlosstein
Chairman                                      President

                                       1
<PAGE>


                                                                   July 31, 2000


Dear Shareholder:

     We are  pleased  to  present  the  unaudited  semi-annual  report  for  The
BlackRock  Investment  Quality Term Trust Inc.  ("the Trust") for the six months
ended  June 30,  2000.  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  "BQT".  The
Trust's  investment  objective is to return $10 per share (its initial  offering
price) to  shareholders  on or about  December  31,  2004 while  providing  high
current income. Although there can be no guarantee,  BlackRock is confident that
the  Trust  can  achieve  its  investment  objectives.  The  Trust  seeks  these
objectives by investing in investment grade fixed income  securities,  including
corporate debt securities,  mortgage-backed securities backed by U.S. Government
agencies  (such  as  Fannie  Mae,  Freddie  Mac  or  Ginnie  Mae),  asset-backed
securities and commercial mortgage-backed  securities. All of the Trust's assets
must be rated at least "BBB" by Standard & Poor's or "Baa" by Moody's at time of
purchase or be issued or guaranteed by the U.S. Government or its agencies.

     The table below  summarizes the  performance of the Trust's stock price and
NAV over the period:

                          ------------------------------------------------------
                             6/30/00   12/31/99    CHANGE     HIGH       LOW
--------------------------------------------------------------------------------
  STOCK PRICE               $7.9375    $7.875      0.79%     $7.9375   $7.625
--------------------------------------------------------------------------------
  NET ASSET VALUE (NAV)     $8.77      $8.79      (0.23)%    $8.79     $8.59
--------------------------------------------------------------------------------
  10-YEAR TREASURY NOTE      6.02%      6.44%     (6.52)%     6.78%     5.79%
--------------------------------------------------------------------------------

THE FIXED INCOME MARKETS

     The economy entered 2000 with a tremendous amount of strength and momentum,
labor  markets  were  very  tight,  and the  opinion  was that the best  news on
inflation was behind us. Despite this,  throughout the period, the view was that
the  Federal  Reserve  would  maintain a gradual  process of slowing the economy
until a more pronounced pick-up in inflation was evident.  In March, the Federal
Reserve  raised both the overnight  rate and the discount rate 0.25% to 6.0% and
5.5%,  respectively.  Despite the sell-off in the equity market in April, in May
concerns about an overheating  economy due to an increased shortage of labor and
rising oil prices led the Federal Reserve to raise rates another 0.50% to 6.5%.

     Recent economic data indicates that the U.S. economy started to slow in the
second quarter. Consumer spending,  manufacturing,  and labor activity all point
to a softer economy.  The real question is whether this slowdown is the start of
something  bigger  (soft or hard  landing)  or simply a natural  pause from well
above-trend  growth.  Goldman  Sachs'  financial  conditions  index  shows  that
conditions  are as  accommodative  now as they were last June,  prior to the 175
basis  points  of Fed  tightening.  This  suggests  that  growth  is  likely  to
reaccelerate later in the year and bring the Fed back into play.

     Treasury yields decreased in the first half of 2000. Over the course of the
year so far, the yield of the 30-year  Treasury has decreased by nearly 58 basis
points  (0.58%).  The yield of the 10-Year  Treasury posted a net decrease of 42
basis points (0.42%).  Bond prices,  which move inversely to their yields,  have
risen in  expectation  of a slowing  economy due to higher  short-term  interest
rates. We anticipate a continued flattening of the yield curve as a result of an
active Federal Reserve and potential Treasury repurchases of long maturity debt.

     Mortgages  posted  positive  returns  during the first half of the year but
trailed the broader  market,  which was led by the strong  rally in the Treasury
market.  As measured by the LEHMAN BROTHERS  MORTGAGE INDEX,  mortgages posted a
3.67%  total  return  versus  3.99% for the  LEHMAN  BROTHERS  AGGREGATE  INDEX.
Strength in the housing market has continued unabated,

                                       2
<PAGE>


leading to more supply than expected, but in comparison to other spread sectors,
mortgages  benefited  from greater  liquidity  and higher credit  quality.  On a
relative  valuation  basis  mortgages  appear cheap,  although  uncertainty  was
increased  in  the  market  by  Treasury   Undersecretary   Gensler's  testimony
concerning  a bill  seeking  to end the  quasi-governmental  status  of FNMA and
FHLMC.  GNMAs performed well during the first quarter as a Treasury  substitute,
since it is the only other  asset  class  backed by the full faith and credit of
the U.S. Government.

     Investment  grade  corporate  securities  encountered  difficulty  as fixed
income investors sought the credit quality and liquidity of Treasuries.  For the
first half of the year,  corporates as measured by MERRILL LYNCH U.S.  CORPORATE
MASTER INDEX returned  2.22%,  under  performing the LEHMAN  BROTHERS  AGGREGATE
INDEX'S  3.99%.   Fundamentally  the  corporate  market  appears  healthy,  with
companies reporting strong earnings in the first half of the year. The negatives
in the  corporate  market  are from stock  market  volatility,  poor  liquidity,
increased  leverage  and  deteriorating  credit  quality,  which  has  increased
uncertainty  in the  market.  With the  uncertainty  of future fed action in the
market,  lower  current  yields  could  cloud the supply  picture and lead to an
acceleration in issuance.

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
following  chart  compares  the  Trust's  current  and  December  31, 1999 asset
composition.


--------------------------------------------------------------------------------
                THE BLACKROCK INVESTMENT QUALITY TERM TRUST INC.
--------------------------------------------------------------------------------
 COMPOSITION                                   JUNE 30, 2000  DECEMBER 31, 1999
--------------------------------------------------------------------------------
 Corporate Bonds                                    26%              27%
--------------------------------------------------------------------------------
 Mortgage Pass-Throughs                             20%              20%
--------------------------------------------------------------------------------
 U.S. Government Securities                         11%              11%
--------------------------------------------------------------------------------
 Adjustable & Inverse Floating Rate Mortgages        9%               5%
--------------------------------------------------------------------------------
 Interest-Only Mortgage-Backed Securities            8%               8%
--------------------------------------------------------------------------------
 Stripped Money Market Instruments                   7%               6%
--------------------------------------------------------------------------------
 Taxable Municipal Bonds                             5%               5%
--------------------------------------------------------------------------------
 Agency Multiple Class Mortgage Pass-Throughs        4%               5%
--------------------------------------------------------------------------------
 Commercial Mortgage-BackedSecurities                3%               6%
--------------------------------------------------------------------------------
 Principal-Only Mortgage-Backed Securities           3%               2%
--------------------------------------------------------------------------------
 Asset-Backed Securities                             2%               3%
--------------------------------------------------------------------------------
 Non-Agency Multiple Class Mortgage Pass-Throughs    2%               2%
--------------------------------------------------------------------------------

--------------------------------------------------------------------------------
                                                    RATING % OF CORPORATES
--------------------------------------------------------------------------------
                  CREDIT RATING                JUNE 30, 2000  DECEMBER 31, 1999
--------------------------------------------------------------------------------
                AA or equivalent                     7%                4%
--------------------------------------------------------------------------------
                 A or equivalent                    48%               44%
--------------------------------------------------------------------------------
                BBB or equivalent                   41%               46%
--------------------------------------------------------------------------------
                BB or equivalent                     4%                6%
--------------------------------------------------------------------------------

                                       3
<PAGE>


     In accordance  with the Trust's primary  investment  objective of returning
the initial offer price upon maturity, the Trust's portfolio management activity
focused on adding  securities which offer attractive yield spreads over Treasury
securities  and an  emphasis  on bonds with  maturity  dates  approximating  the
Trust's termination date of December 31, 2004. Additionally,  the Trust has been
active in reducing  positions  in bonds which have  maturity  dates or potential
cash flows after the Trust's termination date.

     During the reporting  period,  the most significant  additions have been in
adjustable  rate  mortgage-backed  securities  (ARMS).  Additionally,  the Trust
maintained its  significant  weighting in investment  grade  corporate bonds and
well-structured mortgage securities.  To finance these purchases, the Trust sold
commercial  mortgage-backed  securities,  as their  maturity may extend past the
Trust's termination date in a rising interest rate environment.

     We look  forward to managing  the Trust to benefit  from the  opportunities
available in the fixed income markets and to meet its investment objectives.  We
thank you for your  investment  in the BlackRock  Investment  Quality Term 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 S. Kapito                    /s/ Michael P. Lustig

Robert S. Kapito                        Michael P. Lustig
Vice Chairman and Portfolio Manager     Managing Director and Portfolio Manager
BlackRock Advisors, Inc.                BlackRock Advisors, Inc.

--------------------------------------------------------------------------------
                THE BLACKROCK INVESTMENT QUALITY TERM TRUST INC.
--------------------------------------------------------------------------------
   Symbol on New York Stock Exchange:                               BQT
--------------------------------------------------------------------------------
   Initial Offering Date:                                     April 21, 1992
--------------------------------------------------------------------------------
   Closing Stock Price as of 6/30/00:                            $7.9375
--------------------------------------------------------------------------------
   Net Asset Value as of 6/30/00:                                $8.77
--------------------------------------------------------------------------------
   Yield on Closing Stock Price as of 6/30/00 ($7.9375)(1):       5.67%
--------------------------------------------------------------------------------
   Current Monthly Distribution per Share(2):                    $0.0375
--------------------------------------------------------------------------------
   Current Annualized Distribution per Share(2):                 $0.45
--------------------------------------------------------------------------------

(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>


--------------------------------------------------------------------------------
THE BLACKROCK INVESTMENT QUALITY TERM TRUST INC.
PORTFOLIO OF INVESTMENTS
JUNE 30, 2000 (UNAUDITED)
--------------------------------------------------------------------------------
        PRINCIPAL
         AMOUNT                                                        VALUE
 RATING*  (000)          DESCRIPTION                                 (NOTE 1)
--------------------------------------------------------------------------------
                 LONG-TERM INVESTMENTS--134.6%
                 MORTGAGE PASS-THROUGHS--27.3%
                 Federal Home Loan Mortgage Corp.,
      $14,151@     6.50%, 9/01/25 - 6/01/29 ...................     $ 13,368,530
        6,769@     7.00%, 12/01/28 ............................        6,544,875
                 Federal Housing Administration,
        2,037      Colonial, Series 37,
                   7.40%, 12/01/22 ............................        2,002,233
        4,573      GMAC, Series 51,
                   7.43%, 2/01/21 .............................        4,532,496
        1,240      Middlesex, 8.625%, 9/01/34 .................        1,237,918
        2,824      Tuttle Grove, 7.25%, 10/01/35 ..............        2,707,957
                   USGI,
        1,169        Series 99, 7.43%, 10/01/23 ...............        1,148,097
        7,849        Series 885, 7.43%, 3/01/22 ...............        7,708,151
        4,052        Series 2081, 7.43%, 5/01/23 ..............        3,981,368
                 Federal National Mortgage Association,
        9,247@     6.35%, 1/01/04,
                     10 Year, Multi-family ....................        8,964,283
       31,239@     6.50%, 8/01/28 - 6/01/29 ...................       29,453,819
        2,738@     8.26%, 2/01/04,
                     10 Year, Multi-family ....................        2,745,815
        2,282@     8.78%, 4/01/04,
                     10 Year, Multi-family ....................        2,302,675
        1,526@     8.89%, 4/01/04,
                     10 Year, Multi-family ....................        1,540,501
                                                                    ------------
                                                                      88,238,718
                                                                    ------------
                 AGENCY MULTIPLE CLASS MORTGAGE
                 PASS-THROUGHS--4.8%
                 Federal Home Loan Mortgage Corp.,
                   Multiclass Mortgage
                   Participation Certificates,
           11      Series 1523, Class 1523-A,
                     6/15/22 ..................................           10,929
        4,167@     Series 1587, Class 1587-KA,
                     7/15/08 ..................................        4,095,914
           26      Series 1607, Class 1607-M,
                     4/15/13 ..................................           25,642
          120      Series 1650, Class 1650-LC,
                     2/15/22 ..................................          119,142
        2,728      Series 1667, Class 1667-C,
                     1/15/09 ..................................        2,655,013
                 Federal National Mortgage Association,
                   REMIC Pass-Through Certificates,
        1,143      Trust 269, Class 269-1,
                     8/01/22 ..................................        1,170,374
        5,238      Trust 1992-43, Class 43-E,
                     4/25/22 ..................................        5,204,006
          155      Trust 1994-36, Class 36-L,
                     1/25/23 ..................................          154,154
        2,000@     Trust 1996-M5, Class A2,
                     1/25/11 ..................................        1,987,429
                                                                    ------------
                                                                      15,422,603
                                                                    ------------
                 NON-AGENCY MULTIPLE CLASS
                 MORTGAGE PASS-THROUGHS--3.0%
Aaa     3,721    Chase Mortgage Finance Corp.,
                   Series 1993, Class A-9,
                     12/25/09 .................................        3,690,423
AAA     1,065    Citicorp Mortgage Securities, Inc.,
                   Series 1998-3, Class A-6,
                     5/25/28 ..................................        1,033,451
AAA       954    DLJ Mortgage Acceptance Corp.,
                   Series 1993-19, Class A-3,
                     1/25/24 ..................................          943,894
AAA       665    GE Capital Mortgage Services, Inc.,
                   Series 1994-2, Class A-4,
                     1/25/09 ..................................          659,163
AAA     3,366    Norwest Asset Securitization Corp.,
                   Series 1997-9, Class A-2,
                     7/25/12 ..................................        3,349,038
                                                                    ------------
                                                                       9,675,969
                                                                    ------------
                 ADJUSTABLE & INVERSE FLOATING
                 RATE MORTGAGES--11.8%
AAA     1,186    CWMBS, Inc., Mortgage Certificate,
                   Series 1994-D, Class A-7,
                     3/25/24 ..................................        1,153,825
                 Federal Home Loan Mortgage Corp.,
                   Multiclass Mortgage
                   Participation Certificates,
        9,831      Series 1944, Class 1944-SY,
                     5/17/22 ..................................          168,974
          484      Series 1512, Class 1512-NB,
                     5/15/08 ..................................          461,765
       20,848      Series 1954, Class 1954-BB,
                     4/15/21 ..................................          145,516
        9,167      Series 1954, Class 1954-LL,
                     5/15/21 ..................................           65,362
        9,167      Series 1954, Class 1954-LM,
                     5/15/21 ..................................           65,362
        2,439@     Series 1565, Class 1565-0A,
                     8/15/08 ..................................        2,287,020
        1,075@     Series 1584, Class 1584-SE,
                     2/15/23 ..................................          745,998
       13,100@     Series 1635, Class 1635-P,
                     12/15/08 .................................       11,094,407
          448      Series 1655, Class 1655-SB,
                     12/15/08 .................................          420,537


See Notes to Financial Statements.

                                       5
<PAGE>


--------------------------------------------------------------------------------
        PRINCIPAL
         AMOUNT                                                        VALUE
 RATING*  (000)          DESCRIPTION                                 (NOTE 1)
--------------------------------------------------------------------------------
                 ADJUSTABLE & INVERSE FLOATING
                 RATE MORTGAGES (CONTINUED)
        $ 716@     Series 1671, Class 1671-MF,
                     2/15/24 ..................................     $    657,356
        1,578@     Series 1678, Class 1678-SA,
                     2/15/09 ..................................        1,491,887
                 Federal National Mortgage Association,
                   REMIC Pass-Through Certificates,
        1,646@     Trust 1992-155, Class 155-SB,
                     12/25/06 .................................        1,476,265
        1,500      Trust 1993-143, Class 143-SC,
                     8/25/23 ..................................        1,374,480
          146      Trust 1993-179, Class 179-SA,
                     10/25/23 .................................          139,433
                 Federal National Mortgage Association,
                   REMIC Pass-Through
                   Certificates, (continued)
        8,144@     Trust 1993-188, Class 188-S,
                     2/25/08 ..................................        7,759,721
          181      Trust 1993-202, Class 202-VJ,
                     11/25/23 .................................          162,876
        1,408      Trust 1993-212, Class 212-SB,
                     11/25/08 .................................        1,346,775
          288@     Trust 1993-225, Class 225-FK,
                     12/25/23 .................................          286,247
          189      Trust 1994-17, Class 17-SA,
                     1/25/09 ..................................          182,395
       15,402      Trust 1997-44, Class 44-SC,
                     6/25/08 ..................................        1,113,218
                 Residential Funding Mortgage
                   Securities I,
AAA     4,945      Series 1993-S15, Class A-16,
                     4/25/08 ..................................        4,988,559
AAA       510      Series 1993-S15, Class A-17,
                     4/25/08 ..................................          475,935
                                                                    ------------
                                                                      38,063,913
                                                                    ------------
                 INTEREST ONLY MORTGAGE-BACKED
                 SECURITIES--10.6%
AAA   113,143    Citicorp Mortgage Securities, Inc.,
                   REMIC Pass-Through Certificates,
                   Series 1999-3, Class A3,
                     5/25/29 ..................................        1,520,358
AAA    39,396    Credit Suisse First Boston Mortgage
                   Securities Corp., Series 1997-C1,
                   Class AX, 4/20/22** ........................        3,166,771
                 Federal Home Loan Mortgage Corp.,
                   Multiclass Mortgage
                   Participation Certificates,
        4,954      Series G-25, Class 25-S,
                     8/25/06 ..................................           55,881
       10,908@     Series 1353, Class 1353-S,
                     8/15/07 ..................................          875,586
          914      Series 1489, Class 1489-K,
                     10/15/07 .................................           73,991
          686      Series 1751, Class 1751-PL,
                     10/15/23 .................................           87,850
        3,416      Series 1917, Class 1917-AS,
                     5/15/08 ..................................          550,795
       42,883      Series 1918, Class 1918-SC,
                     1/15/04 ..................................          455,635
          831      Series 1946, Class 1946-SN,
                     10/15/08 .................................          133,778
       14,577      Series 2055, Class 2055-IB,
                     12/15/09 .................................        2,361,340
       10,547      Series 2061, Class 2061-PJ,
                     5/15/16 ..................................          906,389
       10,854      Series 2083, Class 2083-PI,
                     2/15/18 ..................................          970,009
        4,544      Series 2134, Class 2134-PJ,
                     4/15/11 ..................................          660,339
        1,712      Series 2144, Class 2144-GI,
                     12/15/07 .................................          144,980
                 Federal National Mortgage Association,
                   REMIC Pass-Through Certificates,
          164      Trust 1993-22, Class 22-PT,
                     10/25/18 .................................            1,150
        1,303      Trust 1993-39, Class 39-K,
                     4/25/04 ..................................          168,462
        8,410      Trust 1993-109, Class 109-QC,
                     7/25/07 ..................................          509,166
        1,090      Trust 1994-27, Class 27-WC,
                     3/25/20 ..................................           81,087
        1,964      Trust 1994-42, Class 42-SO,
                     3/25/23 ..................................          182,491
        7,000@     Trust 1996-20, Class 20-SB,
                     10/25/08 .................................        1,356,250
        4,128      Trust 1996-24, Class 24-SE,
                     3/25/09 ..................................          642,228
          674      Trust 1997-28, Class 28-PH,
                     3/18/22 ..................................           73,322
       45,004      Trust 1997-37, Class 37-SD,
                     10/25/22 .................................          281,275
        6,250      Trust 1997-50, Class 50-HK,
                     8/25/27 ..................................        1,768,444
       48,928      Trust 1997-81, Class 81-S,
                     12/18/04 .................................          152,899
        7,693      Trust 1998-8, Class 8-PM,
                     6/18/19 ..................................          736,453
        1,680      Trust 1998-12, Class 12-PL,
                     7/18/19 ..................................          174,807
        6,606      Trust 1998-15, Class 15-PC,
                     12/18/19 .................................          681,259
       14,859      Trust 1998-27, Class 27-PI,
                     12/18/20 .................................        1,839,905
        5,782      Trust 1999-43, Class 43-PL,
                     1/25/21 ..................................          722,692
AAA     1,488    GE Capital Mortgage Services, Inc.,
                   Series 1997-2, Class 2-A-4,
                     3/25/12 ..................................          275,822
                 Merrill Lynch Mortgage Investors, Inc.,
AAA    70,846      Series 1997-C2, Class IO,
                     12/10/29 .................................        4,473,846
AAA    47,097      Series 1998-C2, Class IO,
                     2/15/30 ..................................        3,214,319

See Notes to Financial Statements.

                                       6
<PAGE>


--------------------------------------------------------------------------------
        PRINCIPAL
         AMOUNT                                                        VALUE
 RATING*  (000)          DESCRIPTION                                 (NOTE 1)
--------------------------------------------------------------------------------
                 INTEREST ONLY MORTGAGE-BACKED
                 SECURITIES (CONTINUED)
                 Morgan Stanley Capital 1, Inc.,
AAA  $  2,818      Series 1997-HF1, Class HF1-X,
                     6/15/17** ................................     $    185,013
AAA    77,882      Series 1998-HF1, Class HF1-X,
                     2/15/18 ..................................        3,974,006
AAA     5,350    PNC Mortgage Securities Corp.,
                   Series 1999-5, Class 1A-11,
                     6/25/29 ..................................          907,850
                                                                    ------------
                                                                      34,366,448
                                                                    ------------
                 PRINCIPAL ONLY MORTGAGE-BACKED
                 SECURITIES--4.0%
                 Federal Home Loan Mortgage Corp.,
                   Multiclass Mortgage
                   Participation Certificates,
          423      Series 1243, Class 1243-N,
                     8/15/06 ..................................          387,438
          250      Series 1862, Class 1862-DA,
                     12/15/22 .................................          160,055
          292      Series 1862, Class 1862-DB,
                     12/15/22 .................................          186,731
          831      Series 1946, Class 1946-N,
                     10/15/08 .................................          595,506
          778      Series 2009, Class 2009-JH,
                     11/15/21 .................................          600,418
                 Federal National Mortgage Association,
                   REMIC Pass-Through Certificates,
          366@     Trust 1993-147, Class H,
                     8/25/23 ..................................          250,692
          566      Trust 1993-228, Class 228-B,
                     3/25/23 ..................................          529,272
        2,800      Trust 1993-254, Class 254-D,
                     11/25/23 .................................        2,201,500
          635      Trust 1994-54, Class 54-D,
                     10/25/23 .................................          531,740
        4,454      Trust 1994-57, Class 57-D,
                     1/15/24 ..................................        3,691,464
          692@     Trust 1996-32, Class 32-E,
                     10/25/08 .................................          673,138
        3,653      Trust 1996-45, Class 45-E,
                     1/25/24 ..................................        3,090,275
                                                                    ------------
                                                                      12,898,229
                                                                    ------------
                 COMMERCIAL MORTGAGE-BACKED
                 SECURITIES--4.5%
Aaa       144    Morgan Stanley Capital 1, Inc.,
                   Series 1997-HF1, Class A1,
                     6.86%, 5/15/06** .........................          142,330
AAA     5,000    New York City Mortgage Loan Trust,
                   Multifamily,
                   Series 1996, Class A-2,
                     6.75%, 6/25/11** .........................        4,642,969
                 Structured Asset Securities Corp.,
                   Mortgage Certificates,
A       3,865      Series 1996, Class D,
                     7.034%, 2/25/28 ..........................        3,821,519
BBB     5,970      Series 1996, Class E,
                     7.75%, 2/25/28 ...........................        5,912,411
                                                                    ------------
                                                                      14,519,229
                                                                    ------------
                 ASSET-BACKED SECURITIES--2.0%
NR      2,685    Global Rated Eligible Asset Trust,
                   Series 1998-A, Class A-1**/***
                     7.33%, 3/15/06 ...........................          805,550
                 Structured Mortgage Asset
                   Residential Trust@@/***
NR      4,077      Series 1997-2,
                     8.24%, 3/15/06 ...........................          896,996
NR      4,496      Series 1997-3,
                     8.57%, 4/15/06 ...........................          989,210
        4,000    Student Loan Marketing Association,
                   Series 1995-1, Class B,
                     6.852%, 10/25/09 .........................        3,930,000
                                                                    ------------
                                                                       6,621,756
                                                                    ------------
                 U.S. GOVERNMENT AND AGENCY
                 SECURITIES--15.1%
                 Small Business Administration,
        1,716      Series 1996-20F,
                     7.55%, 6/01/16 ...........................        1,709,850
        1,594      Series 1996-20G,
                     7.70%, 7/01/16 ...........................        1,601,851
        4,103      Series 1996-20K,
                     6.95%, 11/01/16 ..........................        3,951,602
        1,577      Series 1998-P10, Class P10-A,
                     6.12%, 2/01/08 ...........................        1,455,330
       25,000@   U.S. Treasury Bond,
                     5.50%, 8/15/28 ...........................       22,929,750
                 U.S. Treasury Notes,
       12,000@     4.75%, 2/15/04 .............................       11,409,360
          870@     5.875%, 11/15/04 ...........................          857,359
        4,800      6.00%, 8/15/09 .............................        4,761,744
                                                                    ------------
                                                                      48,676,846
                                                                    ------------
                 TAXABLE MUNICIPAL BONDS--6.9%
AAA     2,875    California Housing Finance Agency Rev.,
                   6.69%, 8/01/03 .............................        2,778,860
A+      2,000    Fresno California Pension Obligation,
                   7.15%, 6/01/04 .............................        1,982,520
AAA     4,000    Los Angeles County California
                   Pension Obligation,
                   6.77%, 6/30/05 .............................        3,888,080
AAA     7,000    New Jersey Economic Development
                   Authority,
                   Zero Coupon, 2/15/04 .......................        5,376,140
A-      5,000    New York City, G.O.,
                   7.50%, 4/15/04 .............................        5,012,100
A       1,000    New York State Environmental
                   Facilities Corp., Service
                   Contract Revenue,
                   6.95%, 9/15/04 .............................          973,370

See Notes to Financial Statements.

                                       7
<PAGE>


--------------------------------------------------------------------------------
        PRINCIPAL
         AMOUNT                                                        VALUE
 RATING*  (000)          DESCRIPTION                                 (NOTE 1)
--------------------------------------------------------------------------------
                 TAXABLE MUNICIPAL BONDS (CONTINUED)
AAA $   2,250    San Francisco California City &
                   Cnty. Arpts. Commission,
                   International Airport,
                   6.55%, 5/01/04 .............................     $  2,187,855
                                                                    ------------
                                                                      22,198,925
                                                                    ------------
                 CORPORATE BONDS--35.6%
                 FINANCE & BANKING--13.8%
A3      2,450    Amsouth Bancorp.,
                   6.75%, 11/01/25 ............................        2,308,537
Aa2     2,500    Bank of America,
                   7.875%, 5/16/05 ............................        2,527,475
A+      3,000    CIT Group, Inc.,
                   7.125%, 10/15/04 ...........................        2,933,954
A+      1,300    Equitable Life Assurance Society,
                   6.95%, 12/01/05** ..........................        1,248,758
A+      5,000@   Farmers Insurance,
                   8.50%, 8/01/04** ...........................        4,998,688
A       4,800    First National Bank of Boston,
                   8.00%, 9/15/04 .............................        4,808,880
A3      5,000    Fleet Financial Group,
                   8.125%, 7/01/04 ............................        5,062,650
A+      4,850    Goldman Sachs Group,
                   6.25%, 2/01/03** ...........................        4,661,951
A       3,500    Lehman Brothers Holdings, Inc.,
                   6.75%, 9/24/01 .............................        3,461,667
A+      1,000    Metropolitan Life Insurance Co.,
                   6.30%, 11/01/03** ..........................          959,210
                 PaineWebber Group, Inc.,
BBB       500      6.90%, 2/09/04 .............................          474,213
A       2,000      8.875%, 3/15/05 ............................        2,061,381
A       3,100    Reliaster Financial Corp.,
                   6.625%, 9/15/03 ............................        2,997,266
Aa3     2,000    Salomon Smith Barney Holdings, Inc.,
                   6.75%, 1/15/06 .............................        1,917,200
                 Xtra, Inc.,
BBB+    2,000      6.50%, 1/15/04 .............................        1,902,900
BBB+    2,500      7.22%, 7/31/04 .............................        2,427,200
                                                                    ------------
                                                                      44,751,930
                                                                    ------------
                 INDUSTRIALS--8.9%
A2        400    American Airlines, Inc.,
                   10.44%, 3/04/07 ............................          446,568
BBB-    3,600    Anixter, Inc.,
                   8.00%, 9/15/03 .............................        3,418,929
BBB     2,000    Conagra, Inc.,
                   7.40%, 9/15/04 .............................        1,986,820
BB-     5,000    Lukens, Inc.,
                   7.625%, 8/01/04 ............................        4,814,500
BBB     5,000    Newmont Mining Corp.,
                   8.00%, 12/01/04 ............................        4,873,550
BBB-    3,000    News America Holdings, Inc.,
                   8.50%, 2/15/05 .............................        3,070,440
Baa3    5,000    Pulte Corp.,
                   8.375%, 8/15/04 ............................        4,840,600
A+      2,000    Ralcorp Holdings, Inc.,
                   8.75%, 9/15/04 .............................        2,113,640
AA-     3,000    TCI Communications, Inc.,
                   8.25%, 1/15/03 .............................        3,058,500
                                                                    ------------
                                                                      28,623,547
                                                                    ------------
                 UTILITIES--3.4%
                 360 Communications Co.,
A       2,000      7.125%, 3/01/03 ............................        1,976,260
A       2,000      7.50%, 3/01/06 .............................        1,972,420
BBB-    5,000    Gulf States Utilities Co.,
                   8.25%, 4/01/04 .............................        5,003,850
Baa2    2,000    Ohio Edison Co.,
                   8.625%, 9/15/03 ............................        2,037,360
                                                                    ------------
                                                                      10,989,890
                                                                    ------------
                 YANKEE--9.5%
NR      1,848    Banamex Remittance Master Trust,
                   Series 1996, 7.57%, 1/01/01** ..............        1,840,747
BBB+    2,000    Canadian Pacific Ltd.,
                   6.875%, 4/15/03 ............................        1,965,480
A       2,000    Corporacion Andina de Fomento,
                   7.10%, 2/01/03 .............................        1,953,300
A1      3,000    Den Danske Bank,
                   7.25%, 6/15/05** ...........................        2,954,352
BBB-    5,000    Empresa Electric Guacolda SA,
                   7.95%, 4/30/03** ...........................        4,790,058
A-      3,500    Israel Electric Corp., Ltd.,
                   7.25%, 12/15/06** ..........................        3,391,605
A+      5,000    Quebec Province,
                   8.625%, 1/19/05 ............................        5,230,250
BBB-    3,000    Telefonica de Argentina SA,
                   11.875%, 11/01/04 ..........................        3,150,000
BBB     5,000    Telekom Malaysia Berhad,
                   7.125%, 8/01/05** ..........................        4,749,050
BBB+      786    YPF Sociedad Anonima,
                   7.50%, 10/26/02 ............................          773,954
                                                                    ------------
                                                                      30,798,796
                                                                    ------------
                 Total corporate bonds ........................      115,164,163
                                                                    ------------

                 STRIPPED MONEY MARKET
                 INSTRUMENTS--9.0%
       40,000    Vanguard Prime Money Market
                   Portfolio, 12/31/04 ........................       28,956,000
                                                                    ------------
       NOTIONAL
        AMOUNT
         (000)
       --------
                 CALL OPTIONS PURCHASED
       50,000    Interest Rate Swap,
                   5.60% over 3 month LIBOR,
                   expires 8/07/00 (Cost $687,500) ............                5
                                                                    ------------
                 Total long-term investments
                   (cost $449,292,374) ........................      434,802,804
                                                                    ------------

See Notes to Financial Statements.

                                       8
<PAGE>


--------------------------------------------------------------------------------
        PRINCIPAL
         AMOUNT                                                        VALUE
 RATING*  (000)          DESCRIPTION                                 (NOTE 1)
--------------------------------------------------------------------------------
                 SHORT-TERM INVESTMENTS--1.0%
                 DISCOUNT NOTE
       $3,080    Student Loan Marketing Association,
                   6.57%, 7/03/00
                   (amortized cost $3,078,876) ................    $  3,078,876
                                                                   ------------

                 Total investments--135.6%
                   (cost $452,371,250) ........................     437,881,680
                 Liabilities in excess of other
                   assets--(35.6)% ............................    (114,942,720)
                                                                   ------------

                 NET ASSETS--100% .............................    $322,938,960
                                                                   ============


  -----------

*    Using the higher of Standard & Poor's, Moody's or Fitch's rating.

**   Security is exempt from registration  under Rule 144A of the Securities Act
     of 1933.  These  securities  may be  resold  in  transactions  exempt  from
     registration to qualified  institutional  buyers.
***  Illiquid securities representing 0.83% of net assets.

@    Entire or partial  principal  amount  pledged  as  collateral  for  reverse
     repurchase agreements or financial futures contracts.

@@   Securities are restricted as to public resale. The securities were acquired
     in 1997 and have an aggregate current cost of $2,759,605.

--------------------------------------------------------------------------------
                              KEY TO ABBREVIATIONS
         G.O.-- General Obligation.
        LIBOR-- London InterBank Offer Rate.
        REMIC-- Real Estate Mortgage Investment Conduit.
--------------------------------------------------------------------------------

See Notes to Financial Statements.

                                       9
<PAGE>


--------------------------------------------------------------------------------
THE BLACKROCK INVESTMENT
QUALITY TERM TRUST INC.
STATEMENT OF ASSETS AND LIABILITIES
JUNE 30, 2000 (UNAUDITED)
--------------------------------------------------------------------------------

ASSETS
Investments, at value (cost $452,371,250)
  (Note 1) ....................................................   $ 437,881,680
Cash ..........................................................           6,341
Interest receivable ...........................................       6,291,232
Interest rate cap, at value (amortized cost $422,334)
  (Note 1 and 3) ..............................................         706,256
Receivable for investments sold ...............................          21,039
Other assets ..................................................           1,492
                                                                  -------------
                                                                    444,908,040
                                                                  -------------
LIABILITIES
Reverse repurchase agreements (Note 4) ........................     121,056,188
Interest payable ..............................................         491,246
Investment advisory fee payable (Note 2) ......................         158,505
Interest rate floor, at value
    (proceeds $261,000) (Note 1 and 3) ........................         133,308
Administration fee payable (Note 2) ...........................          26,417
Accrued expenses and other liabilities ........................         103,416
                                                                  -------------
                                                                    121,969,080
                                                                  -------------
NET ASSETS ....................................................   $ 322,938,960
                                                                  =============
Net assets were comprised of:
  Common stock, at par (Note 5) ...............................   $     368,106
  Paid-in capital in excess of par ............................     344,145,594
                                                                  -------------
                                                                    344,513,700
  Undistributed net investment income .........................      10,595,106
  Accumulated net realized loss ...............................     (17,914,909)
  Net unrealized depreciation .................................     (14,254,937)
                                                                  -------------
  Net assets, June 30, 2000 ...................................   $ 322,938,960
                                                                  =============
Net asset value per share:
  ($322,938,960 / 36,810,639 shares of
  common stock issued and outstanding) ........................           $8.77
                                                                          =====

--------------------------------------------------------------------------------
THE BLACKROCK INVESTMENT
QUALITY TERM TRUST INC.
STATEMENT OF OPERATIONS
SIX MONTHS ENDED JUNE 30, 2000 (UNAUDITED)
--------------------------------------------------------------------------------

NET INVESTMENT INCOME
Income
  Interest earned (net of premium amortization
    of $4,380,488 and interest expense of
    $3,866,057)                                                    $ 11,372,468
                                                                  ------------
Operating expenses
  Investment advisory .........................................         962,713
  Administration ..............................................         160,452
  Legal .......................................................          70,000
  Custodian ...................................................          46,000
  Reports to shareholders .....................................          46,000
  Directors ...................................................          42,000
  Independent accountants .....................................          22,000
  Registration ................................................          16,000
  Transfer agent ..............................................          14,000
  Miscellaneous ...............................................           7,506
                                                                  -------------
    Total operating expenses ..................................       1,386,671
                                                                  -------------
  Net investment income before excise tax .....................       9,985,797
    Excise tax ................................................         307,659
                                                                  -------------
  Net investment income .......................................       9,678,138
                                                                  -------------
REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS (NOTE 3)
Net realized loss on:
  Investments .................................................        (252,744)
  Futures .....................................................      (4,470,216)
                                                                  -------------
                                                                     (4,722,960)
                                                                  -------------
Net change in unrealized appreciation (depreciation) on:
  Investments .................................................       2,036,734
  Futures .....................................................         117,019
  Interest rate caps ..........................................         218,624
  Interest rate floors ........................................         127,692
  Short sales .................................................      (1,045,824)
                                                                  -------------
                                                                      1,454,245
                                                                  -------------
  Net loss on investments .....................................      (3,268,715)
                                                                  -------------
NET INCREASE IN NET ASSETS
RESULTING FROM OPERATIONS .....................................   $   6,409,423
                                                                  =============

See Notes to Financial Statements.

                                       10
<PAGE>


--------------------------------------------------------------------------------
THE BLACKROCK INVESTMENT
QUALITY TERM TRUST INC.
STATEMENT OF CASH FLOWS
SIX MONTHS ENDED JUNE 30, 2000 (UNAUDITED)
--------------------------------------------------------------------------------

RECONCILIATION OF NET INCREASE IN NET ASSETS
  RESULTING FROM OPERATIONS TO NET
  CASH FLOWS PROVIDED BY OPERATING ACTIVITIES
Net increase in net assets resulting from
  operations ..................................................   $   6,409,423
                                                                  -------------
Decrease in  investments ......................................       4,155,567
Net  realized  loss ...........................................       4,722,960
Increase in unrealized  appreciation ..........................      (1,454,245)
Increase in interest receivable ...............................        (413,005)
Increase in other assets ......................................          (1,492)
Decrease in receivable for investments sold ...................         265,355
Decrease in investments sold short ............................     (17,874,000)
Decrease in deposits with brokers for
  investments sold short ......................................      18,421,876
Increase in interest rate cap .................................         (90,088)
Increase in interest rate floor ...............................         133,308
Decrease in due to broker-variation margin ....................        (375,000)
Decrease in interest payable ..................................        (388,985)
Decrease in accrued expenses ..................................        (123,853)
                                                                  -------------
   Total adjustments ..........................................       6,978,398
                                                                  -------------
Net cash flows provided by operating activities ...............   $  13,387,821
                                                                  =============

DECREASE IN CASH
Net cash flows provided by operating activities ...............   $  13,387,821
                                                                  -------------

Cash flows used for financing activities:
   Decrease in reverse repurchase agreements ..................      (5,571,187)
   Cash dividends paid ........................................      (8,282,274)
                                                                  -------------
Net cash flows used for financing activities ..................     (13,853,461)
                                                                  -------------
Net decrease in cash ..........................................        (465,640)
Cash at beginning of period ...................................         471,981
                                                                  -------------
Cash at end of period .........................................   $       6,341
                                                                  =============

--------------------------------------------------------------------------------
THE BLACKROCK INVESTMENT
QUALITY TERM TRUST INC.
STATEMENTS OF CHANGES
IN NET ASSETS (UNAUDITED)
--------------------------------------------------------------------------------

                                                  SIX MONTHS ENDED   YEAR ENDED
DECREASE IN NET ASSETS                                JUNE 30,      DECEMBER 31,
                                                        2000            1999
Operations:                                         ------------    ------------

   Net investment income .......................   $  9,678,138    $ 18,898,423

   Net realized loss ...........................     (4,722,960)     (9,945,056)
   Net change in unrealized
      appreciation (depreciation) ..............      1,454,245     (19,240,071)
                                                   ------------    ------------

   Net increase (decrease) in
      net assets resulting
      from operations ..........................      6,409,423     (10,286,704)

   Dividends from net
      investment income ........................     (6,901,875)    (18,252,742)
                                                   ------------    ------------
   Total decrease ..............................       (492,452)    (28,539,446)

NET ASSETS

Beginning of period ............................    323,431,412     351,970,858
                                                   ------------    ------------

End of period (including
    undistributed net investment
    income of $10,595,106 and
    $7,818,843, respectively) ..................   $322,938,960    $323,431,412
                                                   ============    ============

See Notes to Financial Statements.

                                       11
<PAGE>


--------------------------------------------------------------------------------
THE BLACKROCK INVESTMENT QUALITY TERM TRUST INC.
FINANCIAL HIGHLIGHTS (UNAUDITED)
--------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                          SIX MONTHS ENDED                YEAR ENDED DECEMBER 31,
                                                               JUNE 30,   --------------------------------------------------------
                                                                2000        1999        1998        1997        1996        1995
                                                              --------    --------    --------    --------    --------    --------
<S>                                                           <C>         <C>         <C>         <C>         <C>         <C>
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period .......................  $   8.79    $   9.56    $   9.43    $   9.09    $   9.50    $   8.21
                                                              --------    --------    --------    --------    --------    --------
  Net investment income (net of interest
    expense of $0.11,  $0.25, $0.21, $0.21,
    $0.17 and $0.23, respectively) .........................      0.26        0.52        0.66        0.65        0.64        0.60
  Net realized and unrealized gain (loss) ..................     (0.09)      (0.79)       0.02        0.31       (0.46)       1.31
                                                              --------    --------    --------    --------    --------    --------
Net increase (decrease) from investment operations .........      0.17       (0.27)       0.68        0.96        0.18        1.91
                                                              --------    --------    --------    --------    --------    --------
Dividends from net investment income .......................     (0.19)      (0.50)      (0.55)      (0.62)      (0.59)      (0.60)
Distributions in excess of net investment income ...........        --          --          --          --          --       (0.02)
                                                              --------    --------    --------    --------    --------    --------
Total dividends and distributions ..........................     (0.19)      (0.50)      (0.55)      (0.62)      (0.59)      (0.62)
                                                              --------    --------    --------    --------    --------    --------
Net asset value, end of period* ............................  $   8.77    $   8.79    $   9.56    $   9.43    $   9.09    $   9.50
                                                              ========    ========    ========    ========    ========    ========
Market value, end of period* ...............................  $   7.94    $   7.88    $   8.81    $   8.38    $   7.63    $   7.88
                                                              ========    ========    ========    ========    ========    ========
TOTAL INVESTMENT RETURN+ ...................................      3.22%      (4.99)%     11.50%      18.58%       4.58%      21.91%
RATIOS TO AVERAGE NET ASSETS:
Operating expenses .........................................      0.87%+++    0.86%       0.85%       0.89%       0.91%       0.92%
Operating expenses and interest expense ....................      3.29%+++    3.64%       2.99%       3.15%       2.83%       3.44%
Operating expenses, interest expense and excise taxes ......      3.48%+++    3.70%       3.01%       3.15%       2.83%       3.44%
Net investment income ......................................      6.06%+++    5.65%       6.89%       6.98%       7.03%       6.76%

SUPPLEMENTAL DATA:
Average net assets (in thousands) ..........................  $320,936    $334,553    $353,745    $341,607    $332,778    $328,950
Portfolio turnover ratio ...................................        12%         81%        106%        135%        221%        160%
Net assets, end of period (in thousands) ...................  $322,939    $323,431    $351,971    $346,998    $334,779    $349,862
Reverse repurchase agreements outstanding,
  end of period (in thousands) .............................  $121,056    $126,627    $105,869    $142,948    $ 96,846    $112,007
Asset coverage++ ...........................................  $  3,667    $  3,554    $  4,325    $  3,427    $  4,457    $  4,124
</TABLE>

----------
*    Net asset value and market value are  published in BARRON'S on Saturday and
     THE WALL STREET JOURNAL on Monday.

+    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  period  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
     return for the period of less than one year has not been annualized.

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

+++  Annualized.

The information above represents the unaudited 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.

                                       12
<PAGE>


--------------------------------------------------------------------------------
THE BLACKROCK INVESTMENT QUALITY TERM TRUST INC.
NOTES TO FINANCIAL STATEMENTS (UNAUDITED)
--------------------------------------------------------------------------------

NOTE 1. ORGANIZATION & ACCOUNTING POLICIES

The  BlackRock  Investment  Quality Term Trust Inc.  ("the  Trust"),  a Maryland
corporation,  is a diversified,  closed-end  management  investment company. The
Trust's investment objective is to manage a portfolio of fixed income securities
that will return $10 per share to investors on or about  December 31, 2004 while
providing high monthly income. 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,  interest rate swaps,  caps,  floors and  non-exchange  traded
options 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.  Short-term  securities  are  valued at  amortized  cost.  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.

REPURCHASE AGREEMENTS: 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, or collections of 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
against price changes. The Trust can also sell (or

                                       13
<PAGE>


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.

INTEREST RATE SWAPS: In an 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.
Interest 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 swap. However, the Trust does not anticipate  non-performance
by any counterparty.

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 in a manner similar to more generic options described above.

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 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

                                       14
<PAGE>


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 less or greater 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 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 six months ended
June 30, 2000.

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
deficiency, 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.  Selling
interest rate floors reduces the portfolio's duration,  making it less sensitive
to changes  in  interest  rates from a market  value  perspective.  The  Trust's
leverage  provides  extra income in a period of falling  rates.  Selling  floors
reduces some of that advantage by partially monetizing it as an up front payment
which the Trust receives.

     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.

FEDERAL  INCOME  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   sufficient   taxable  income  to  shareholders.
Therefore,  no  federal  income  tax  provision  is  required.  As part of a tax
planning  strategy,  the Trust intends to retain a portion of its taxable income
and pay an excise tax on the undistributed amounts.

                                       15
<PAGE>


DIVIDENDS  AND  DISTRIBUTIONS:   The  Trust  declares  and  pays  dividends  and
distributions  monthly,  first from net invest-ment  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  may be  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 accounting
principles   generally  accepted  in  the  United  States  of  America  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.

DEFERRED  COMPENSATION PLAN. Under a deferred  compensation plan approved by the
board of Directors on February 24, 2000,  non-interested  Directors may elect to
defer receipt of all or a portion of their annual compensation.

     Deferred amounts earn a return as though equivalent dollar amounts had been
invested in common shares of other  BlackRock  funds  selected by the Directors.
This has the same economic  effect as if the Directors had invested the deferred
amounts in such other BlackRock funds.

     The deferred  compensation  plan is not funded and  obligations  thereunder
represent  general unsecured claims against the general assets of the Trust. The
Trust may, however,  elect to invest in common shares of those funds selected by
the Directors in order to match its deferred compensation obligations.

NOTE 2. AGREEMENTS

The Trust has an Investment  Advisory  Agreement with BlackRock  Advisors,  Inc.
(the "Advisor"), which is a wholly-owned subsidiary of BlackRock, Inc., which in
turn is an indirect  majority-owned  subsidiary of PNC Financial Services Group,
Inc. Corp. The Trust has an Administration Agreement with Prudential Investments
Fund  Management  LLC ("PIFM"),  a  wholly-owned  subsidiary  of The  Prudential
Insurance Co. of America.

     The  investment  advisory  fee paid to the Advisor is  computed  weekly and
payable  monthly at an annual  rate of 0.60% 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 0.10% of the  Trust's  average  weekly net assets
until  December 31, 2002,  and 0.08% from January 1, 2003 to the  termination or
liquidation of the Trust.

     Pursuant to the agreements,  the Advisor provides continuous supervision of
the investment  portfolio and pays the compensation of officers of the Trust who
are affiliated persons of the Advisor.  PIFM pays occupancy and certain clerical
and accounting costs of the 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 six months ended June 30, 2000 aggregated  $50,549,024
and $54,139,465, respectively.

     The Trust may invest up to 30% of its total assets in securities  which are
not readily  marketable,  including those which are restricted as to disposition
under securities law ("restricted securities"). At June 30, 2000, the Trust held
11.9% of its net assets in 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 affiliates such
as 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,
including   Midland  Loan   Services,   Inc.  It  is  possible   under   certain
circumstances,  PNC  Mortgage  Securities  Corp.  or its  affiliates,  including
Midland Loan  Services,  Inc. 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,  including Midland Loan
Services, Inc.

     The federal  income tax basis of the Trust's  investments  at June 30, 2000
was  $452,398,736  and,  accordingly,  net unrealized  depreciation  for federal
income tax purposes was $14,517,056 (gross unrealized  appreciation--$8,261,826;
gross unrealized depreciation--$22,778,882).

     For federal income tax purposes,  the Trust has a capital loss carryforward
at  December  31,  1999 of  approximately  $15,774,000  of  which  approximately
$530,000  will  expire in 2002,  approximately  $3,845,000  will expire in 2003,
approximately  $1,498,000 will expire in 2005, and approximately $9,901,000 will
expire in 2007.  Accordingly,  no capital gains  distribution  is expected to be
paid to  shareholders  until net  gains  have  been  realized  in excess of such
amounts.

                                       16
<PAGE>


     Details of the open  financial  futures  contract  at June 30,  2000 are as
follows:

                                    VALUE AT        VALUE AT
NUMBER OF             EXPIRATION      TRADE          JUNE 30,       UNREALIZED
CONTRACTS   TYPE         DATE          DATE            2000        DEPRECIATION
---------   ----         ----      -----------      -----------    ------------
Short position:
   300   30-Yr.
         T-Bond       Sep 2000      $29,073,019      $29,250,000      $(176,981)
                                                                     =========

     Details of the interest rate cap held at June 30, 2000 are as follows:

NOTIONAL                                                  VALUE AT
AMOUNT    FIXED       FLOATING   TERMINATION  AMORTIZED   JUNE 30,   UNREALIZED
 (000)     RATE         RATE        DATE         COST       2000    APPRECIATION
 -----     ----         ----        ----         ----       ----    ------------
$40,000    6.00%   3-month LIBOR   2/19/02     $422,334   $706,256    $283,922
                                                                    ==========

     Details of the interest rate floor held at June 30, 2000 are as follows:

NOTIONAL                                      VALUE AT    VALUE AT
AMOUNT    FIXED       FLOATING  TERMINATION     TRADE     JUNE 30,   UNREALIZED
 (000)     RATE         RATE        DATE         DATE       2000    APPRECIATION
 -----     ----         ----        ----         ----       ----    ------------
$30,000    7.00%   3-month LIBOR    2/27/02    $261,000    $133,308    $127,692
                                                                       ========

NOTE 4. BORROWINGS

REVERSE  REPURCHASE  AGREEMENTS:  The Trust may enter  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  will  be  based  upon
competitive  market rates at the time of issuance.  At the time the Trust enters
into a reverse repurchase agreement, it will establish and maintain a segregated
account with the lender, the value of which at least equals the principal amount
of the reverse repurchase transactions including accrued interest.

     The average  daily  balance of reverse  repurchase  agreements  outstanding
during the six months ended June 30, 2000 was  approximately  $123,959,521  at a
weighted  average  interest rate of  approximately  6.08%. The maximum amount of
reverse repurchase agreements outstanding at any month-end during the period was
$135,154,900 as of February 29, 2000, which was 30.0% of total assets.

DOLLAR  ROLLS:  The Trust may enter 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 will be 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 any  dollar  rolls  during the six months  ended
June 30, 2000.

NOTE 5. CAPITAL

There are 200 million shares of $.01 par value common stock  authorized.  Of the
36,810,39 shares outstanding at June 30, 2000, the Advisor owned 10,639 shares.


NOTE 6.  DIVIDENDS

Since June 30, 2000, the Board of Directors of the Trust declared dividends from
undistributed   earnings  of  $0.0375  per  share   payable  July  31,  2000  to
shareholders of record on July 14, 2000.

                                       17
<PAGE>


--------------------------------------------------------------------------------
                THE BLACKROCK INVESTMENT QUALITY TERM TRUST INC.
                            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
reinvested  by State Street Bank and 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 transfer  agent,  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 any new shares in connection  with the Plan.

     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 dividends or distributions.

     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.

                                       18
<PAGE>


--------------------------------------------------------------------------------
                THE BLACKROCK INVESTMENT QUALITY TERM TRUST INC.
                             ADDITIONAL INFORMATION.
--------------------------------------------------------------------------------

     ANNUAL MEETING OF TRUST  SHAREHOLDERS.  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  promarily  responsible  for the day to day  management  of the
Trust's Portfolio.

     The Annual Meeting of Trust  Shareholders  was held May 18, 2000 to vote on
the following matters:

     (1)  To elect three Directors as follows:

          DIRECTORS                                CLASS      TERM     EXPIRING
          ---------                                -----      ----     --------
          Frank J. Fabozzi......................     II     3 years      2003
          Walter F. Mondale.....................     II     3 years      2003
          Ralph L. Schlosstein..................     II     3 years      2003

          Directors  whose term of office  continues  beyond  this  meeting  are
          Andrew F. Brimmer,  Richard E. Cavanagh,  Kent Dixon, Laurence D. Fink
          and James Clayburn La Force, Jr.

     (2)  To ratify the selection of Deloitte & Touche LLP as independent public
          accountants of the Trust for the fiscal year ending December 31, 2000.

     Shareholders  elected the three  Directors  and ratified  the  selection of
     Deloitte & Touche LLP. The results of the voting was as follows:

                                       VOTES FOR   VOTES AGAINST    ABSTENTIONS
                                       ---------   -------------    -----------
          Frank J. Fabozzi ..........  27,930,086          --        1,037,558
          Walter F. Mondale .........  27,752,419          --        1,215,225
          Ralph L. Schlosstein ......  27,948,342          --        1,019,302
          Ratification of
            Deloitte & Touche LLP ...  28,560,331     155,322          251,991

                                       19
<PAGE>


--------------------------------------------------------------------------------
                THE BLACKROCK INVESTMENT QUALITY TERM TRUST INC.
                               INVESTMENT SUMMARY
--------------------------------------------------------------------------------

THE TRUST'S INVESTMENT OBJECTIVE

The BlackRock  Investment  Quality Term Trust Inc.'s investment  objective is to
manage a portfolio of investment grade fixed income  securities that will return
$10 per share (the initial  public  offering price per share) to investors on or
about December 31, 2004.

WHO MANAGES THE TRUST?

BlackRock  Advisors,  Inc.  (the  "Advisor")  is  an  SEC-registered  investment
advisor.  As of June 30,  2000,  the  "Advisor"  and its  affiliates  (together,
"BlackRock")  managed $177 billion on behalf of taxable and  tax-exempt  clients
worldwide.  Strategies include fixed income, equity and cash any may incorporate
both domestic and  international  securities.  Domestic fixed income  strategies
utilize the government, mortgage, corporate and municipal bond sectors.BlackRock
manages  twenty-two  closed-end  funds that are traded on either the New York or
American stock exchanges,  and a $28 billion family of open-end funds. BlackRock
manages over 629 accounts, domiciled in the United States and overseas.

WHAT CAN THE TRUST INVEST IN?

The Trust may invest in all fixed income  securities  rated  investment grade or
higher ("AAA",  "AA",  "A" or "BBB").  Examples of securities in which the Trust
may invest include U.S. government and government agency securities, zero coupon
securities,  mortgage-backed securities, corporate debt securities, asset-backed
securities,  U.S.  dollar-denominated  foreign  debt  securities  and  municipal
securities. 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) and corporate debt
securities.

WHAT IS THE ADVISOR'S INVESTMENT STRATEGY?

The Advisor will seek to meet the Trust's  investment  objective by managing the
assets of the Trust so as to return the initial  offering  price ($10 per share)
at maturity.  The Advisor will implement a conservative  strategy that will seek
to closely  match the  maturity of the assets of the  portfolio  with the future
return of the initial investment at the end of 2004. At the Trust's termination,
the  Advisor  expects  that the  value of the  securities  which  have  matured,
combined  with the value of the  securities  that are sold will be sufficient to
return the initial offering price to investors. On a continuous basis, the Trust
will seek its  objective  by actively  managing its assets in relation to market
conditions,  interest  rate  changes and,  importantly,  the  remaining  term to
maturity of the Trust.

In order to maintain  competitive  yields as the Trust  approaches  maturity and
depending on market conditions,  the Advisor will attempt to purchase securities
with call  protection  or  maturities  as close to the Trust's  maturity date as
possible. Securities with call protection should provide the portfolio with some
degree of protection against  reinvestment risk during times of lower prevailing
interest rates. Since the Trust's primary goal is to return the initial offering
price at maturity,  any cash that the Trust  receives prior to its maturity date
(i.e.  cash  from  early  and  regularly  scheduled  payments  of  principal  on
mortgage-backed  securities)  will be reinvested in securities  with  maturities
which  coincide  with  the  remaining  term  of the  Trust.  Since  shorter-term
securities typically yield less than longer-term securities,  this strategy will
likely  result in a decline in the Trust's  income over time. It is important to
note that the Trust will be  managed  so as to  preserve  the  integrity  of the
return of the initial offering price.

                                       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 A TERM 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.

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
rising environment.  The Advisor'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  the  Advisor  consider  that
reduction to be in the best interests of the shareholders.

SPECIAL CONSIDERATIONS AND RISK FACTORS RELEVANT TO TERM TRUSTS
THE TRUST IS  INTENDED  TO BE A  LONG-TERM  INVESTMENT  AND IS NOT A  SHORT-TERM
TRADING VEHICLE.

RETURN OF INITIAL  INVESTMENT.  Although the objective of the Trust is to return
its initial offering price upon termination, there can be no assurance that this
objective will be achieved.

DIVIDEND  CONSIDERATIONS.  The income and dividends paid by the Trust are likely
to  decline  to some  extent  over the term of the Trust due to the  anticipated
shortening  of the  dollar-weighted  average  maturity  of the  Trust's  assets.

INTEREST-ONLY SECURITIES (IO). The yield to maturity on an IO class is extremely
sensitive  to the rate of  principal  payments  (including  prepayments)  on the
related  underlying  mortgage assets, and a rapid rate of principal payments may
have a material  adverse  effect on such  security's  yield to maturity.  If the
underlying  mortgage assets experience  greater than anticipated  prepayments of
principal,  the Trust may fail to recoup fully its initial  investment  in these
securities  even  if the  securities  are  rated  AAA by S&P or Aaa by  Moody's.

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:  BQT) 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.

CORPORATE  DEBT  SECURITIES.  The value of corporate debt  securities  generally
varies inversely with changes in prevailing market interest rates. The Trust may
be subject to certain  reinvestment  risks in environments of declining interest
rates.

ZERO COUPON SECURITIES. Such securities receive no cash flows prior to maturity,
therefore  interim  price  movements  on these  securities  are  generally  more
sensitive to interest rate movements than  securities  that make periodic coupon
payments.  These  securities  appreciate  in  value  over  time  and can play an
important  role in helping the Trust  achieve its  primary  objective.

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.

NON-U.S  SECURITIES.  The Trust may invest up to 10% of its  assets in  non-U.S.
dollar-denominated  securities  which  involve  special  risks such as currency,
political and economic risks,  although under current market conditions does not
do so.

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 INVESTMENT QUALITY TERM 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.

COMMERCIAL MORTGAGE
BACKED SECURITIES (CMBS):     Mortgage-backed  securities  secured  or backed by
                              mortgage loans on commercial properties.

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:                     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, FNMA and FHLMC.

                                       22
<PAGE>


INVERSE-FLOATING RATE
MORTGAGES:                    Mortgage  instruments  with coupons that adjust at
                              periodic  intervals  according to a formula  which
                              sets  inversely  with a market lend  interest rate
                              index.

INTEREST-ONLY SECURITIES:     Mortgage  securities  including  CMBS that receive
                              only the  interest  cash flows from an  underlying
                              pool of mortgage loans or underlying  pass-through
                              securities.

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 FNMA, FHLMC,
                              GNMA or FHA.

NET ASSET VALUE (NAV):        Net asset value is the total  market  value of all
                              securities  and other  assets  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 on Monday.

PRINCIPAL-ONLY SECURITIES:    Mortgage   securities   that   receive   only  the
                              principal  cash flows from an  underlying  pool of
                              mortgage   loans   or   underlying    pass-through
                              securities.

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,  FNMA
                              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
                              distributions   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 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
Karen H. Sabath, SECRETARY

INVESTMENT ADVISOR
BlackRock Advisors, Inc.
400 Bellevue Parkway
Wilmington, DE 19809
(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 ACCOUNTANTS
Deloitte & Touche LLP
Two World Financial Center
New York, NY 10281-1434

LEGAL COUNSEL
Skadden, Arps, Slate, Meagher & Flom LLP
Four Times Square
New York, NY 10036

LEGAL COUNSEL -- INDEPENDENT DIRECTORS
Debevoise & Plimpton
875 Third Avenue
New York, NY 10022

   The  accompanying  financial  statements as of June 30, 2000 were not audited
and accordingly, no opinion is expressed on them.

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

                            THE BLACKROCK INVESTMENT
                             QUALITY TERM TRUST INC.
                 c/o Prudential Investments Fund Management LLC
                              Gateway Center Three
                               100 Mulberry Street
                              Newark, NJ 07102-4077
                                 (800) 227-7BFM


[RECYCLE LOGO] Printed on recycled paper                              09247J-102


      ---------
      BlackRock
THE   ---------
INVESTMENT QUALITY
TERM TRUST INC.
-----------------------
SEMI-ANNUAL REPORT
JUNE 30, 2000

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