BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC
N-30D, 1997-12-24
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- --------------------------------------------------------------------------------
              THE BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                          ANNUAL REPORT TO SHAREHOLDERS
                          REPORT OF INVESTMENT ADVISER
- --------------------------------------------------------------------------------




                                                               November 30, 1997

Dear Trust Shareholder:

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

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

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


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


                                       1

<PAGE>






                                                               November 30, 1997

Dear Shareholder:

      We are pleased to present the annual report for The  BlackRock  Investment
Quality Municipal Trust Inc. ("the Trust") for the fiscal year ended October 31,
1997. We would like to take this  opportunity  to review the Trust's stock price
and net asset  value  (NAV)  performance,  summarize  developments  in the fixed
income markets 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  "BKN".  The
Trust's  investment  objective is to provide high current  income that is exempt
from regular Federal income tax consistent with the preservation of capital. The
Trust seeks to achieve this  objective by investing in  investment  grade (rated
"AAA" to "BBB" by a major rating  agency or of  equivalent  quality)  tax-exempt
general   obligation  and  revenue  bonds  issued  by  city,  county  and  state
municipalities throughout the United States.

      The table below  summarizes the changes in the Trust's stock price and net
asset value over the past year:

                         -------------------------------------------------------
                         10/31/97   10/31/96     CHANGE       HIGH        LOW
- --------------------------------------------------------------------------------
  STOCK PRICE             $13.375    $12.44      7.54%       $13.75     $12.25
- --------------------------------------------------------------------------------
  NET ASSET VALUE (NAV)   $15.32     $14.52      5.51%       $15.32     $14.18
- --------------------------------------------------------------------------------

THE FIXED INCOME MARKETS

      The first half of the Trust's fiscal year was  characterized  by increased
concern over potential inflationary pressures.  Bond prices fell and yields rose
between  mid-December 1996 and mid-April 1997, as economic data indicated a very
strong  economy.  In an effort to subdue  this  growth and  pre-emptively  fight
inflation,  the Federal Reserve raised the Federal funds rate by 25 basis points
(1/4%)  to 5.50% at  their  March 25 FOMC  policy  meeting.  During  the  second
quarter,  however, signs of more moderate economic growth began to appear. Lower
factory orders, decreased consumer spending and higher inventories,  in addition
to continued benign inflationary forces,  soothed investor fears over inflation.
Accordingly,  the Federal Reserve left interest rates unchanged at their May 20,
July 2 and September 30 policy meetings. U.S. Treasury yields reflected investor
expectations of Federal Reserve policy  activity.  The yield of the 10-year note
rose from a period low of 6.04% in late November 1996 to 6.98% in mid-April 1997
in response to Federal Reserve  Chairman Alan  Greenspan's  warning of excessive
equity market euphoria and in anticipation of a Federal funds rate increase.  As
economic data softened, the yield of the 10-year fell over 100 basis points from
6.98% to close at 5.83% on October 31, 1997.

      The municipal bond market, represented by the LEHMAN MUNICIPAL BOND INDEX,
posted a total return of 8.50% for the 12 month  period ended  October 31, 1997,
underperforming  the domestic  taxable  investment grade market (measured by the
LEHMAN AGGREGATE INDEX), which returned 8.89%. Despite the rally in the Treasury
market,  demand for municipals was relatively  strong,  particularly  during the
summer,  when  nearly $60 billion  worth of  municipal  issues  matured and were
reinvested  back into the  market.  However,  the  decline  in  Treasury  yields
resulted in a significant increase in new municipal supply during September,  as
municipal issuers refunded higher interest bearing  securities and brought lower
yielding issues to market. During October,  municipals experienced their largest
underperformance versus Treasuries during 1997, as they were unable to keep pace
with the global demand for U.S. Treasuries.

THE TRUST'S PORTFOLIO AND INVESTMENT STRATEGY

      The Trust's portfolio is actively managed to diversify exposure to various
sectors,  issuers,  revenue sources and security types.  BlackRock's  investment
strategy  emphasizes  a  relative  value  approach,  which  allows  the Trust to
capitalize  upon  changing  market  conditions  by rotating  municipal  sectors,
credits and coupons.

                                       2

<PAGE>

      Additionally,  the Trust employs leverage at about 35% of total net assets
to enhance its income by borrowing at short term  municipal  rates and investing
the proceeds in longer maturity  issues which have higher yields.  The degree to
which the Trust can benefit  from its use of leverage  may affect its ability to
pay high  monthly  income.  Over the past twelve  months,  the  Federal  Reserve
tightened  monetary  policy by raising short term rates 25 basis points to 5.50%
in March.  Typically,  short term municipal  rates (which  determine the Trust's
borrowing  costs) are  approximately  65% of Treasury  rates.  Accordingly,  the
Trust's cost of leverage modestly increased as a result of the Fed's action.

      The main  portfolio  management  theme in the Trust over the past year has
been to take  advantage of narrowing  credit  spreads  between  higher and lower
rated  bonds.  To this end,  the Trust has sold lower  rated  credits  (BBB- and
A-rated  issues) in favor of higher  rated  credits (AA and AAA).  Historically,
lower rated bonds yield significantly more than higher rated bonds to compensate
the investor for taking on a higher probability of default.  Over the past year,
this yield advantage has narrowed to levels that we believe do not pay investors
enough to purchase lower credits.  The Trust's current strategy  emphasizes high
credit quality  non-callable and callable premiums in the 7- to 15-year maturity
range.  Prevailing  municipal  market  conditions  do not reward  investors  for
extending beyond this maturity range.

      The  following  charts  compare the  Trust's  current and October 31, 1996
asset composition and credit quality allocations:


                                SECTOR BREAKDOWN
- --------------------------------------------------------------------------------
        SECTOR                           OCTOBER 31, 1997      OCTOBER 31, 1996
- --------------------------------------------------------------------------------
      City, County & State                       17%                   8%
- --------------------------------------------------------------------------------
      Transportation                             15%                  22%
- --------------------------------------------------------------------------------
      Power                                      13%                  12%
- --------------------------------------------------------------------------------
      Hospital                                   11%                   9%
- --------------------------------------------------------------------------------
      Lease Revenue                               8%                  12%
- --------------------------------------------------------------------------------
      Industrial                                  8%                   9%
- --------------------------------------------------------------------------------
      University/School                           8%                   8%
- --------------------------------------------------------------------------------
      Water & Sewer                               5%                   1%
- --------------------------------------------------------------------------------
      Housing                                     5%                   6%
- --------------------------------------------------------------------------------
      Pollution Control                           4%                   7%
- --------------------------------------------------------------------------------
      Tax Revenue                                 4%                   1%
- --------------------------------------------------------------------------------
      Resource Recovery                           1%                   1%
- --------------------------------------------------------------------------------
      Miscellaneous Revenue                       1%                   4%
- --------------------------------------------------------------------------------
      Utility                                      --                   --
- --------------------------------------------------------------------------------


- --------------------------------------------------------------------------------
      STANDARD & POOR'S/MOODY'S
            CREDIT RATING              OCTOBER 31, 1997      OCTOBER 31, 1996
- --------------------------------------------------------------------------------
               AAA/Aaa                         55%                  43%
- --------------------------------------------------------------------------------
                AA/Aa                          12%                   6%
- --------------------------------------------------------------------------------
                 A/A                           13%                  21%
- --------------------------------------------------------------------------------
               BBB/Baa                         20%                  30%
- --------------------------------------------------------------------------------

                                       3

<PAGE>

      We look  forward to  continuing  to manage  the Trust to benefit  from the
opportunities  available to investors in the investment grade municipal  market.
We  thank  you for your  investment  and  continued  interest  in The  BlackRock
Investment  Quality  Municipal Trust Inc. Please feel free to call our marketing
center at (800) 227-7BFM  (7236) if you have any specific  questions  which were
not addressed in this report.

Sincerely yours,
/s/ Robert Kapito                        /s/ Kevin Klingert
- -----------------                        ------------------
Robert Kapito                            Kevin Klingert
Vice Chairman and Portfolio Manager      Managing Director and Portfolio Manager
BlackRock Financial Management, Inc.     BlackRock Financial Management, Inc.

- --------------------------------------------------------------------------------
              THE BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
- --------------------------------------------------------------------------------
Symbol on New York Stock Exchange:                                   BKN
- --------------------------------------------------------------------------------
Initial Offering Date:                                        February 19, 1993
- --------------------------------------------------------------------------------
Closing Stock Price as of 10/31/97:                                $13.375
- --------------------------------------------------------------------------------
Net Asset Value as of 10/31/97:                                    $15.32
- --------------------------------------------------------------------------------
Yield on Closing Stock Price as of 10/31/97 ($13.375)1:             5.89%
- --------------------------------------------------------------------------------
Current Monthly Distribution per Share2:                          $0.065625
- --------------------------------------------------------------------------------
Current Annualized Distribution per Share2:                        $0.7875
- --------------------------------------------------------------------------------

1 Yield on Closing Stock Price is  calculated by dividing the current annualized
  distribution per share by the closing stock price per share.
2 The Distribution is not constant and is subject to change.





                                       4
<PAGE>

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------------------------------------
THE BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
PORTFOLIO OF INVESTMENTS
OCTOBER 31, 1997
- --------------------------------------------------------------------------------------------------------------------------
                                                                                               OPTION
             PRINCIPAL                                                                          CALL
  RATING      AMOUNT                                                                         PROVISIONS++        VALUE
(UNAUDITED)*  (000)                               DESCRIPTION                                (UNAUDITED)        (NOTE 1)
- ---------------------------------------------------------------------------------------------------------------------------
                      LONG-TERM INVESTMENTS -- 147.0%
                      CALIFORNIA -- 12.5%
<S>          <C>                                                                             <C>              <C>
   Aa        $ 1,220  California Hsg. Fin. Agcy. Rev., Home Mtg. Ser. C, 5.65%, 
                        8/01/14 .....................................................         2/04 at 102     $ 1,243,412
   A           5,770  California St. G.O., 5.00%, 10/01/14 ..........................        10/07 at 101       5,671,968
   AAA        15,460  Los Angeles Cnty. Asset Leasing Corp. Rev., 5.95%, 
                        12/01/07, AMBAC .............................................        No Opt. Call      17,239,446
                      University of California Rev., Research Facs., Ser. B,
   A           2,000    6.10%, 9/01/10 ..............................................         9/03 at 102       2,117,060
   A           3,305    6.20%, 9/01/11 ..............................................         9/03 at 102       3,497,681
   A           2,000    6.25%, 9/01/12 ..............................................         9/03 at 102       2,119,000
                                                                                                              -----------
                                                                                                               31,888,567
                                                                                                              -----------
                      COLORADO -- 13.5%
                      Arapahoe Cnty. Cap. Impvt. Hwy. Rev., Trust Fund, Ser. E,
   Baa         3,100    Zero Coupon, 8/31/04 ........................................        No Opt. Call       2,273,075
   Baa         2,000    Zero Coupon, 8/31/07 ........................................        No Opt. Call       1,245,480
   Baa         2,250    6.90%, 8/31/05+++ ...........................................        No Opt. Call       2,642,018
                      Denver City & Cnty. Arpt. Rev.,
   Baa         1,120    Ser. C, 6.65%, 11/15/05 .....................................        11/02 at 102       1,218,358
   Baa         3,000    Ser. C, 6.50%, 11/15/06 .....................................        11/02 at 102       3,229,740
   Baa         3,705    Ser. D, 7.00%, 11/15/01+++ ..................................       No. Opt. Call       4,056,938
   Baa        14,085    Balance Ser. D, 7.00%, 11/15/25 .............................        11/01 at 100      15,088,556
                      E-470 Pub. Hwy. Auth. Co. Rev. Cap. Apprec. Ser. B, MBIA
   AAA         3,000    Zero Coupon, 9/01/11 ........................................        No Opt. Call       1,471,800
   AAA        10,000    Zero Coupon, 9/01/18 ........................................        No Opt. Call       3,271,400
                                                                                                              -----------
                                                                                                               34,497,365
                                                                                                              -----------
                      CONNECTICUT -- 3.6%
   Aa          8,750  Connecticut St. G.O., Ser. A, 5.50%, 11/15/08 .................        11/03 at 102       9,184,612
                                                                                                              -----------
                      DISTRICT OF COLUMBIA -- 0.8%
   AAA         1,900  District of Columbia, G.O., Ser. E, 6.00%, 6/01/09, CAPMAC ....         6/03 at 102       2,023,481
                                                                                                              -----------
                      FLORIDA -- 2.4%
   AAA         1,750  Florida Hsg. Fin. Agcy. Rev., Sngl. Fam. Mtg.,
                      Ser. 1994-A, 6.55%, 7/01/14 ...................................         1/05 at 102       1,876,245
   BBB         4,000  Santa Rosa Bay Bridge Auth. Rev., 6.25%, 7/01/28 ..............         7/06 at 102       4,178,280
                                                                                                              -----------
                                                                                                                6,054,525
                                                                                                              -----------
                      GEORGIA -- 3.4%
   AAA         6,000  Georgia Mun. Pwr. & Elec. Auth., Ser. T, 6.50%, 
                       1/01/99+++, FGIC .............................................        No Opt. Call       6,170,760
   AA+         2,250  Georgia St. Hsg. & Fin. Auth. Rev., Sngl. Fam. Mtg., 
                       Ser. C, 7.00%, 12/01/15, FHA .................................        12/04 at 102       2,435,918
                                                                                                              -----------
                                                                                                                8,606,678
                                                                                                              -----------
                      ILLINOIS -- 13.4%
   AAA        18,050  Chicago Wtr. Rev., 5.25%, 11/01/23, FGIC ......................        11/07 at 102      17,700,732
                      Cook Cnty. G.O.,
   AAA         3,000    Cap. Impt. 5.875%, 11/15/22, FGIC ...........................        11/06 at 101       3,105,870
   AAA         4,165    Ser. A, 5.20%, 11/15/08, MBIA ...............................        11/07 at 101       4,279,496
                      Illinois Edl. Facs. Auth. Rev., Loyola Univ., FGIC,
   AAA         5,000    4.125%+, 7/01/13 ............................................         7/03 at 102       5,160,600
   AAA         4,000    5.45%, 7/01/14 ..............................................         7/03 at 102       4,034,560
                                                                                                              -----------
                                                                                                               34,281,258
                                                                                                              -----------
                      INDIANA -- 3.3%
   Baa         7,595  Indianapolis Arpt. Auth. Rev., Spl. Facs. Fed. Express 
                       Corp. Proj., 7.10%, 1/15/17 ..................................         7/04 at 102       8,458,324
                                                                                                              -----------
                      KENTUCKY -- 6.0%
   AAA        15,000  Kentucky St. Tpke. Auth., Econ. Dev. Road Rev., 3.95%+, 
                       7/01/13, AMBAC ...............................................         7/03 at 102      15,292,350
                                                                                                              -----------
</TABLE>


                       See Notes to Financial Statements.

                                       5
<PAGE>

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------------------------------------
                                                                                               OPTION
             PRINCIPAL                                                                          CALL
  RATING      AMOUNT                                                                         PROVISIONS++        VALUE
(UNAUDITED)*  (000)                               DESCRIPTION                                (UNAUDITED)        (NOTE 1)
- ---------------------------------------------------------------------------------------------------------------------------
<S>          <C>                                                                             <C>              <C>
                       LOUISIANA -- 6.8%
   AAA        $14,400  Louisiana Pub. Facs. Auth. Hosp. Rev., Our Lady of the 
                        Lake Regl. Med. Ctr., 4.19%+, 12/01/22, FSA .................        12/03 at 102     $14,464,656
   AAA          2,860  Louisiana Stadium & Expo Dist., Htl. Ocpcy. Tax, 6.00%,
                        7/01/16, FGIC ...............................................         7/06 at 102       3,010,436
                                                                                                              -----------
                                                                                                               17,475,092
                                                                                                              -----------
                       MARYLAND -- 7.6%
   Aa           4,000  Maryland St. Hlth. & Hghr. Ed. Facs. Auth. Rev., 
                        John Hopkins Univ.,*** 5.125%, 7/01/20 ......................         7/08 at 102       3,872,240
   Aa           9,940  Maryland St. Dept. Hsg. & Comn. Dev. Admin., Sngl. Fam. 
                        Prog., Ser. 2, 6.55%, 4/01/26 ...............................         4/05 at 102      10,635,204
   A-           1,500  Maryland St. Energy Fin.Admin., Bld. Wst. Disp. Rev., 
                        Wheelabrator Wtr.Proj., 6.45%, 12/01/16 .....................        12/06 at 102       1,636,275
   AAA          3,175  Northeast Waste Disp. Auth. Rev., Sld. Wst., Montgomery 
                        Cnty. Res. Rec. Proj., Ser. A, 6.30%, 7/01/16, MBIA .........         7/03 at 102       3,400,425
                                                                                                              -----------
                                                                                                               19,544,144
                                                                                                              -----------
                       MICHIGAN -- 3.7%
   AAA          4,000  Greater Detroit Res. Recovery Auth. Rev., Ser. A, 6.25%,
                        12/13/08, AMBAC .............................................         No Opt. Call      4,493,200
   AAA          5,000  River Rouge Sch. Dist., 5.625%, 5/01/22, FSA .................       5/03 at 101.50      5,070,900
                                                                                                              -----------
                                                                                                                9,564,100
                                                                                                              -----------
                       MISSOURI -- 0.4%
   NR           1,000  Lake of The Ozarks Comn. Bridge, 6.25%, 12/01/16 .............         12/06 at 102      1,036,320
                                                                                                              -----------
                       NEVADA -- 1.6%
   AAA          3,750  Washoe Cnty. Arpt. Auth., Arpt. Sys. Impvt. Rev.,
                        Ser. B, 5.80%, 7/01/09, MBIA ................................         7/03 at 102       3,977,963
                                                                                                              -----------
                       NEW YORK -- 19.9%
                       New York City, G.O.,
   Baa          4,140    Ser. A, 6.00%, 8/01/05 .....................................          No Opt.Call       4,449,672
   Baa          7,000    Ser. E, 6.50%, 2/15/06 .....................................         No Opt. Call       7,740,180
                       New York City Ind. Dev. Agcy. Spec. Fac. Rev., Term. 
                        One Group Assoc. Proj.,
   A            4,000    6.00%, 1/01/08 .............................................          1/04 at 102       4,251,640
   A            1,000    6.00%, 1/01/15 .............................................          1/04 at 102       1,042,510
                       New York City, G.O.,
   Baa          6,160    Ser. H, 7.20%, 2/01/02+++ ..................................         No Opt. Call       6,914,415
   AAA          3,000    Ser. D, 5.60%, 11/01/05 AMBAC ..............................         No Opt. Call       3,203,160
   A            3,000  New York St. Dorm. Auth. Rev., St.Univ. Edl. Facs.,
                         Ser. B, 6.10%, 5/15/04+++ ..................................         No Opt. Call       3,326,340
   Baa            840    Ser. H, 7.20%, 2/01/13 .....................................       2/02 at 101.50         926,680
                       New York St Loc. Govt. Assis. Corp.,
   A            2,000    Ser. C, 5.00%, 4/01/21 .....................................          4/03 at 102       1,876,640
   AAA          2,830    Ser. D, 5.00%, 4/01/23, AMBAC ..............................          4/04 at 100       2,663,369
   AAA          2,620  New York St. Urban Dev. Corp. Rev., Correctional Facs.,
                         5.625%, 1/01/07, AMBAC .....................................          1/03 at 102       2,773,794
   Baa          4,000  New York St. Hsg. Fin. Agcy.Rev., Svc. Contract. Oblig.,
                         Ser. A, 5.50%, 9/15/22 .....................................          3/03 at 102       3,962,560
   Baa          1,955  New York St. Hsg. Fin. Agcy.Rev., Hlth. Facs. of New York
                         City, Ser. A, 6.375%, 11/01/04 .............................          No Opt.Call       2,111,850
   AAA          5,000  New York St. Med. Care Facs. Rev., New YorkHosp., Ser.A, 
                         6.60%, 2/15/09,AMBAC .......................................          2/05 at 102       5,601,550
                                                                                                              ------------
                                                                                                                50,844,360
                                                                                                              ------------
                       NORTH CAROLINA -- 5.5%
                       North Carolina Eastn. Mun. Pwr. Agcy., Rev., 
                         Ser. B, CAPMAC,
   AAA          5,300    6.00%, 1/01/22 .............................................         No Opt. Call       5,596,005
   AAA          2,500    6.00%, 1/01/26 .............................................         No Opt. Call       2,689,650
   AAA          5,000    7.00%, 1/01/08 .............................................         No Opt. Call       5,864,900
                                                                                                              ------------
                                                                                                                14,150,555
                                                                                                              ------------
</TABLE>
                       See Notes to Financial Statements.

                                       6
<PAGE>

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------------------------------------
                                                                                               OPTION
             PRINCIPAL                                                                          CALL
  RATING      AMOUNT                                                                         PROVISIONS++        VALUE
(UNAUDITED)*  (000)                               DESCRIPTION                                (UNAUDITED)        (NOTE 1)
- ---------------------------------------------------------------------------------------------------------------------------
<S>          <C>                                                                             <C>              <C>
                       OHIO -- 0.7%
   NR           $ 500  Cleveland Cuyahoga Cnty. Ohio Port Auth., Rev., Port Dev.
                         Proj., 6.00%, 3/01/07 ......................................        No Opt. Call      $   502,955
   AAA          1,220  Ohio St. Higher Edl. Fac. Com., Univ. Dayton Proj., 5.35%,
                          12/01/17 ..................................................        12/07 at 101        1,229,577
                                                                                                               -----------
                                                                                                                 1,732,532
                                                                                                               -----------
                       PENNSYLVANIA -- 11.8%
   AAA          1,275  Bethlehem Auth. Wtr. Rev., 6.25%, 11/15/01, MBIA+++ ..........         No Opt. Call       1,370,905
   AAA         10,100  Lehigh Cnty. Gen. Purpose Auth. Rev., St. Lukes Hosp.
                         Bethlehem Proj., 4.00%+, 11/15/13, AMBAC ...................         11/03 at 102      10,118,281
   AAA          7,000  Montgomery Cnty. Ed. & Hlth. Care Holy Redeemer, 5.25%,
                         10/01/23, FGIC .............................................         10/07 at 101       6,807,220
   AAA          4,000  Pennsylvania Intergovernmental Coop. Auth., Spl. Tax Rev.,
                         Philadelphia Fdg. Prog., 5.50%, 6/15/20, FGIC ..............          6/06 at 100       4,013,800
                       Pennsylvania St. G.O.,
   AAA          6,190    5.125%, 9/15/02 AMBAC ......................................         No Opt. Call       6,409,250
   AAA          1,500    First Ser., 5.375%, 5/15/09, FGIC ..........................       5/06 at 101.50       1,571,250
                                                                                                              ------------
                                                                                                                30,290,706
                                                                                                              ------------
                       RHODE ISLAND -- 2.3%
   AA+          3,640  Rhode Island Hsg. & Mtg. Fin., Homeownership Oppty., Ser.
                         15-B, 6.75%, 10/01/17 ......................................          4/04 at 102       3,906,521
   AAA          2,000  Rhode Island St. Hlth. & Edu. Bldg. Corp., Rev., Hosp.
                         Fin., 5.50%, 5/15/16, MBIA .................................          5/07 at 102       2,028,180
                                                                                                              ------------
                                                                                                                 5,934,701
                                                                                                              ------------
                       TENNESSEE -- 3.6%
   A            7,800  MAURY CNTY. IND. DEV. BRD. POLL. CTRL. REV., SATURN CORP.
                         PROJ., 6.50%, 9/01/24 ......................................          9/04 AT 102       8,517,990
   Aa             955  Tennessee Hsg. Dev. Agcy. Homeownership Prog., Zero
                         Coupon, 1/01/06 ............................................         No Opt. Call         627,807
                                                                                                              ------------
                                                                                                                 9,145,797
                                                                                                              ------------
                       TEXAS -- 11.3%
   AAA          9,500  Austin Util. Sys. Rev., 5.00%, 11/15/14, FSA .................         11/07 at 100       9,254,045
   Baa          9,800  Brazos River Auth. Poll. Ctrl. Rev., Coll-Texas Utilities
                         Co. Proj., 8.25%, 1/01/19 ..................................          1/99 at 100      10,373,888

   A            3,625  Matagorda Cnty. Nav. Dist. No. 1 Rev., Coll-Houston Light
                         & Pwr. Ser. B., 7.70%, 2/01/19 .............................          2/98 at 102       3,724,688
   A            2,500  Port of BayCityAuth. Matagorda Cnty. Rev., Hoechst
                         Celanese Corp. Proj., 6.50%, 5/01/26 .......................          5/06 at 102       2,730,075
   Baa          2,640  Sabine River Auth. Poll. Ctrl. Rev., Coll-Texas Utilities
                         Elec. Proj., Ser. B, 8.25%, 10/01/20 .......................         10/00 at 102       2,921,714
                                                                                                              ------------
                                                                                                                29,004,410
                                                                                                              ------------
                       UTAH -- 2.3%
   AAA          4,450  Intermountain Pwr. Agcy. Rev. Pwr. Supply, Ser. F, 5.00%,
                         7/01/13, AMBAC .............................................         No Opt. Call       4,284,950
   A            1,800  Intermountain Pwr. Agcy. Fst. Crossover, Ser. 86 B, 5.00%,
                         7/01/16 ....................................................         No Opt. Call       1,687,446
                                                                                                              ------------
                                                                                                                 5,972,396
                                                                                                              ------------
                       WASHINGTON -- 10.6%
   Aa           6,900  Seattle Met. Municipality, 5.40%, 1/01/08 ....................          1/03 at 102       7,147,572
   Aa           4,000  Washington St. G.O. Ser. A, 5.375%, 7/01/21 .................           7/06 at 100       4,004,280
                       Washington St.Pub. Pwr.Supply Sys.Rev.,
   AAA         13,395    Nuclear Proj. No. 1, 5.75%, 7/01/11,MBIA ..................           7/06 at 102      14,007,553
   AAA          2,000    Nuclear Proj. No. 2, 5.55%, 7/01/10,FGIC ..................           7/03 at 102       2,039.860
                                                                                                              ------------
                                                                                                                27,199,265
                                                                                                              ------------
                       Total Long-Term Investments (cost $357,813,045) .............                           376,159,501
                                                                                                              ------------
</TABLE>
                       See Notes to Financial Statements.

                                       7
<PAGE>

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------------------------------------
                                                                                               OPTION
             PRINCIPAL                                                                          CALL
  RATING      AMOUNT                                                                         PROVISIONS++        VALUE
(UNAUDITED)*  (000)                               DESCRIPTION                                (UNAUDITED)        (NOTE 1)
- ---------------------------------------------------------------------------------------------------------------------------
<S>          <C>                                                                             <C>              <C>
                       SHORT-TERM INVESTMENTS** -- 5.1%
                       FLORIDA -- 0.2%
   A1           $ 600  Escambia Cnty. Poll. Ctrl. Rev. Gulf Pwr. Co., FRDD, 
                         4.20%, 11/03/97 ...........................................                          $     600,000
                                                                                                              -------------
                       MISSISSIPPI -- 0.8%
   VMIG1        1,600  Jackson Cnty. Poll. Ctrl. Rev., Chevron U.S.A. Inc. Proj.,
                         4.00% FRDD, 11/03/97 ......................................                              1,600,000
   P1             500  Perry Cnty. Poll. Ctrl. Rev. Leaf River Forest Proj., 
                         FRDD, 4.00%, 11/03/97 .....................................                                500,000
                                                                                                              -------------
                                                                                                                  2,100,000
                                                                                                              -------------
                       VIRGINIA -- 0.2%
   AAA            600  Peninsula Ports Auth. Rev., Port Fac. Shell Oil Co.,
                         FRDD, 4.00%, 11/03/97 .....................................                                600,000
                                                                                                              -------------
                       WASHINGTON -- 1.5%
                       Washington St. Hlth. Care Fac. Auth. Rev., Sisters 
                         Providence,
   A1           1,000    Ser. B, FRDD, 4.00%, 11/03/97 .............................                             1,000,000
   A1           1,900    Ser. C, FRDD, 4.00%, 11/03/97 .............................                             1,900,000
   A1           1,000    Ser. D, FRDD, 4.00%, 11/03/97 .............................                             1,000,000
                                                                                                              ------------
                                                                                                                 3,900,000
                                                                                                              ------------
                       WYOMING -- 2.4%
   P1           5,950  Unita Cnty. Poll. Ctrl. Rev., ChevronUSA Inc.Proj., 
                         FRDD, 4.00%, 11/03/97 .....................................                             5,950,000
                                                                                                              ------------
                       Total Short-Term Investments (cost $13,150,000) .............                            13,150,000
                                                                                                              ------------
                       TOTAL INVESTMENTS-- 152.1%  (cost $370,963,045) .............                           389,309,501
                       Liabilities in excess of other assets-- (1.3)% ..............                            (3,383,784)
                       Liquidation value of preferred stock-- (50.8)% ..............                          (130,000,000)
                                                                                                              ------------
                       NET ASSETS APPLICABLE TO COMMON SHAREHOLDERS-- 100% .........                          $255,925,717
                                                                                                              ============
- --------------------------
*   Rating: Using the higher of Standard & Poor's, Moody's or Fitch's rating.
**  For  purposes  of  amortized  cost  valuation,  the  maturity  date of these
    instruments  is  considered  to be the earlier of the next date on which the
    security  can be  redeemed  at par or the  next  date on  which  the rate of
    interest is adjusted.
*** When-issued security.
+   These bonds contain embedded caps. See glossary for definition.
++  Option call  provisions:  date  (month/year)  and price of the earliest  call or  redemption.  There may be other call
    provisions at varying prices at later dates.
+++ This bond is prerefunded. See Glossary for definition.

===========================================================================================================================
                              THE FOLLOWING ABBREVIATIONS ARE USED IN PORTFOLIO DESCRIPTIONS:

     AMBAC      -- American Municipal Bond Assurance Corporation        FRDD     -- Floating Rate Daily Demand**
     CAPMAC     -- Capital Markets Assurance Corporation                FSA      -- Financial Security Assurance
     FGIC       -- Financial Guaranty Insurance Company                 G.O.     -- General Obligation Bond
     FHA        -- Federal Housing Administration                       MBIA     -- Municipal Bond Insurance Association
===========================================================================================================================


</TABLE>

                       See Notes to Financial Statements.


                                       8
<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK INVESTMENT
QUALITY MUNICIPAL TRUST INC.
STATEMENT OF ASSETS AND LIABILITIES
OCTOBER 31, 1997
- --------------------------------------------------------------------------------

ASSETS
Investments, at value
  (cost $370,963,045) (Note 1) .............................       $389,309,501
Cash .......................................................              6,248
Interest receivable ........................................          6,157,007
Deferred organization expenses and other
  assets ...................................................             13,698
                                                                   ------------
                                                                    395,486,454
                                                                   ------------
LIABILITIES
Payable for investments purchased ..........................          8,865,334
Dividends payable--common stock ............................            180,864
Dividends payable--preferred stock .........................            127,604
Advisory fee payable (Note 2) ..............................            112,201
Administration fee payable (Note 2) ........................             48,085
Other accrued expenses .....................................            226,649
                                                                   ------------
                                                                      9,560,737
                                                                   ------------
NET INVESTMENT ASSETS ......................................       $385,925,717
                                                                   ============
Net investment assets were comprised of:
  Common stock:
    Par value (Note 4) .....................................       $    167,071
    Paid-in capital in excess of par .......................        232,077,765
  Preferred stock (Note 4) .................................        130,000,000
                                                                   ------------
                                                                    362,244,836
  Undistributed net investment income ......................            970,185
  Accumulated net realized gain ............................          4,364,240
  Net unrealized appreciation ..............................         18,346,456
                                                                   ------------
  Net investment assets, October 31, 1997 ..................       $385,925,717
                                                                   ============
  Net assets applicable to common
  shareholders .............................................       $255,925,717
                                                                   ============
Net asset value per common share:
  ($255,925,717 / 16,707,093 shares of
    common stock issued and outstanding) ...................             $15.32
                                                                         ======


- --------------------------------------------------------------------------------
THE BLACKROCK INVESTMENT
QUALITY MUNICIPAL TRUST INC.
STATEMENT OF OPERATIONS
YEAR ENDED OCTOBER 31, 1997
- --------------------------------------------------------------------------------

NET INVESTMENT INCOME
Income
  Interest and discount earned .............................       $20,707,589
                                                                   -----------
Expenses
  Investment advisory ......................................         1,313,240
  Administration ...........................................           562,817
  Auction agent ............................................           345,033
  Custodian ................................................            94,000
  Directors ................................................            47,000
  Reports to shareholders ..................................            43,000
  Audit ....................................................            36,000
  Transfer agent ...........................................            23,000
  Legal ....................................................            10,000
  Miscellaneous ............................................           136,505
                                                                   -----------
  Total expenses ...........................................         2,610,595
                                                                   -----------
Net investment income ......................................        18,096,994
                                                                   -----------


REALIZED AND UNREALIZED GAIN ON
  INVESTMENTS (NOTE 3)
Net realized gain on investments ...........................         4,449,946
Net change in unrealized appreciation
  on investments ...........................................         8,949,932
                                                                   -----------
Net gain on investments ....................................        13,399,878
                                                                   -----------


NET INCREASE IN NET INVESTMENT ASSETS
  RESULTING FROM OPERATIONS ................................       $31,496,872
                                                                   ===========
                       See Notes to Financial Statements.

                                       9
<PAGE>



<TABLE>
<CAPTION>
THE BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
STATEMENTS OF CHANGES IN NET INVESTMENT ASSETS
- ------------------------------------------------------------------------------------------------------------------
                                                                                          YEAR ENDED OCTOBER 31,
                                                                                        --------------------------
INCREASE (DECREASE) IN NET INVESTMENT ASSETS                                              1997             1996
                                                                                        ---------        ---------
OPERATIONS:

<S>                                                                                 <C>                <C>      
   Net investment income .....................................................      $  18,096,994      $ 18,067,373
   Net realized gain on investments ..........................................          4,449,946         5,454,251
   Net change in unrealized appreciation on investments ......................          8,949,932           140,869
                                                                                     ------------      ------------
   Net increase in net investment assets resulting from operations ...........         31,496,872        23,662,493

DIVIDENDS AND DISTRIBUTIONS:

   To common shareholders from net investment income .........................        (13,100,478)      (13,156,544)
   To common shareholders from net realized gain on investments ..............           (322,193)         (239,692)
   To preferred shareholders from net investment income ......................         (4,591,740)       (4,619,604)
   To preferred shareholders from net realized gain on investments ...........           (104,104)          (89,343)
                                                                                     ------------      ------------
   Total dividends and distributions .........................................        (18,118,515)      (18,105,183)
                                                                                     ------------      ------------
       Total increase ........................................................         13,378,357         5,557,310

NET INVESTMENT ASSETS

Beginning of year ............................................................        372,547,360       366,990,050
                                                                                     ------------      ------------
End of year ..................................................................       $385,925,717      $372,547,360
                                                                                     ============      ============


                       See Notes to Financial Statements.
</TABLE>



                                       10
<PAGE>

<TABLE>
<CAPTION>
- ---------------------------------------------------------------------------------------------------------------------------
THE BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
FINANCIAL HIGHLIGHTS

- ---------------------------------------------------------------------------------------------------------------------------

                                                                                                           FOR THE PERIOD
                                                                        YEAR ENDED OCTOBER 31,          FEBRUARY 26, 1993*
                                                               ------------------------------------------ TO OCTOBER 31,
PER SHARE OPERATING PERFORMANCE:                                1997       1996        1995         1994        1993
                                                               ------      -----       -----       ------      ------

<S>                                                           <C>        <C>         <C>         <C>         <C>     
Net asset value, beginning of period ...................      $ 14.52    $  14.18    $  12.05    $  14.76    $  14.10
                                                             --------    --------    --------    --------    --------
   Net investment income ...............................         1.08        1.09        1.10        1.06        0.66
   Net realized and unrealized gain (loss) on 
     investments .......................................         0.80        0.34        2.16       (2,64)       0.74
                                                             --------    --------    --------    --------    --------
Net increase (decrease) from investment operations .....         1.88        1.43        3.26       (1.58)       1.40
                                                             --------    --------    --------    --------    --------
Dividends and Distributions:
   Dividends from net investment income to:
     Common shareholders ...............................        (0.78)      (0.79)      (0.82)      (0.90)     (0.45)
     Preferred shareholders ............................        (0.27)      (0.28)      (0.31)      (0.21)     (0.11)
  Distributions from net realized gain on 
    investments to:
     Common shareholders ...............................        (0.02)      (0.01)         --          --         --
     Preferred shareholders ............................        (0.01)      (0.01)         --          --         --
                                                             --------    --------    --------    --------   --------
        Total dividends and distributions ..............        (1.08)      (1.09)      (1.13)      (1.11)     (0.56)
                                                             --------    --------    --------    --------   --------
Capital charge with respect to issuance of shares ......           --          --          --       (0.02)     (0.18)
                                                             --------    --------    --------    --------   --------
Net asset value, end of period** .......................     $  15.32    $  14.52    $  14.18    $  12.05   $  14.76#
                                                             ========    ========    ========    ========   ========
Per share market value, end of period** ................      $13.375     $ 12.44     $ 12.00     $10.375    $14.125
                                                             ========    ========    ========    ========   ========
TOTAL INVESTMENT RETURN+ ...............................        14.20%      10.41%      24.01%     (20.98)%     3.36%
                                                             ========    ========    ========    ========   ========
RATIOS TO AVERAGE NET ASSETS
  OF COMMON SHAREHOLDERS:+++
Expenses ...............................................         1.07%       1.12%       1.16%       1.14%      1.04%++
Net investment income before preferred stock dividends .         7.42%       7.57%       8.36%       7.80%      6.86%++
Preferred stock dividends ..............................         1.88%       1.94%       2.34%       1.55%      1.11%++
Net investment income available to common shareholders .         5.54%       5.63%       6.02%       6.25%      5.75%++
SUPPLEMENTAL DATA:
Average net assets of common shareholder
 (in thousands) ........................................      $243,947    $238,540    $219,740    $226,935   $236,810
Portfolio turnover .....................................          160%        164%        182%        210%       110%
Net assets of common shareholders, end of period
  (in thousands) .......................................      $255,926    $242,547    $236,990    $201,343   $246,631
Preferred stock outstanding (in thousands) .............      $130,000    $130,000    $130,000    $130,000   $130,000
Asset coverage per share of preferred stock, end 
  of period ## .........................................      $ 74,241    $ 71,644    $ 70,575    $127,440   $144,858

- ----------
   * Commencement of investment operations.

  ** Net asset value and market value are  published in THE WALL STREET  JOURNAL
     each  Monday.  # Net asset value  immediately  after the closing of the first
     public offering was $14.05.

  ## A stock split occurred on July 24, 1995 (Note 4)

   + 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 the  period  reported.  Dividends  and
     distributions,  if any, are assumed for purposes of this calculation, to be
     reinvested at prices obtained under the Trust's dividend reinvestment plan.
     Total  investment  return does not  reflect  brokerage  commissions.  Total
     investment returns for less than one full year are not annualized.

  ++ Annualized.

 +++ Ratios are  calculated  on the basis of income and expenses  applicable  to
     both the common and preferred  stock  relative to the average net assets of
     common shareholders.  Ratios do not reflect the effect of dividend payments
     to preferred shareholders.

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

                       See Notes to Financial Statements.

</TABLE>


                                       11
<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK INVESTMENT
QUALITY MUNICIPAL TRUST INC.
NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

NOTE 1. ACCOUNTING  POLICIES
The  BlackRock  Investment  Quality  Municipal  Trust  Inc.  (the  "Trust")  was
organized  in  Maryland  on  November  19,  1992  as a  diversified,  closed-end
management  investment company. The Trust had no transactions until February 16,
1993 when it sold  7,093  shares  of common  stock  for  $100,012  to  BlackRock
Financial Management,  Inc. (the "Adviser").  Investment operations commenced on
February 26, 1993.

   The Trust's  investment  objective  is to manage a  diversified  portfolio of
investment-grade  securities to achieve high current  income exempt from regular
Federal income tax consistent with the  preservation of capital.  The ability of
issuers of debt  securities  held by the Trust to meet their  obligations may be
affected by economic developments in a specific industry or region. No assurance
can be given that the Trust's investment objective will be achieved.

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

SECURITIES VALUATION:  Municipal securities  (including  commitments to purchase
such  securities  on a  "when-issued"  basis)  are valued on the basis of prices
provided  by  a  pricing  service  which  uses   information   with  respect  to
transactions  in bonds,  quotations  from bond dealers,  market  transactions in
comparable   securities  and  various   relationships   between   securities  in
determining values. Any securities or other assets for which such current market
quotations  are not readily  available are valued at fair value as determined in
good faith under procedures established by and under the general supervision and
responsibility of the Trust's Board of Directors.

   Short-term securities which mature in more than 60 days are valued at current
market  quotations.  Short-term  securities  which mature in 60 days or less are
valued at amortized  cost, if their term to maturity from date of purchase is 60
days or less, or by amortizing their value on the 61st day prior to maturity, if
their  original  term to  maturity  from  date of  purchase  exceeded  60  days.

SECURITIES  TRANSACTIONS  AND INVESTMENT  INCOME:  Securities  transactions  are
recorded  on the trade date.  Realized  gains and losses are  calculated  on the
identified cost basis.  Interest income is recorded on the accrual basis and the
Trust  amortizes  premium and accretes  original  issue  discount 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  net income to  shareholders.  For this
reason and because  substantially  all of the Trust's  gross income  consists of
tax-exempt interest, no Federal income tax provision is required.

DIVIDENDS  AND  DISTRIBUTIONS:   The  Trust  declares  and  pays  dividends  and
distributions to common  shareholders  monthly from net investment  income,  net
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
annually.  Dividends and  distributions  are recorded on the  ex-dividend  date.
Dividends and distributions to preferred shareholders are accrued and determined
as described in Note 4.

DEFERRED  ORGANIZATION  EXPENSES:  A total of $65,000 was incurred in connection
with the organization of the Trust. These costs have been deferred and are being
amortized  ratably  over a period  of  sixty  months  from  the  date the  Trust
commenced investment operations.

RECLASSIFICATION OF CAPITAL ACCOUNTS: Effective January 1, 1994, the Trust began
accounting  and reporting for permanent  differences  between  financial and tax
reporting  in  accordance  with  the  American  Institute  of  Certified  Public
Accountants' Statement of Position 93-2: Determination, Disclosure and Financial
Statement   Presentation   of  Income,   Capital  Gain  and  Return  of  Capital
Distributions by Investment Companies.  The effect of adopting the statement for
the year ended  October 31, 1997 was to decrease  accumulated  net realized gain
and increase  undistributed  net  investment  income by $15,507.  Net investment
income,  net  realized  gains and net assets were not  affected by this  change.

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

NOTE 2. AGREEMENTS
The  Trust  has  an  Investment  Advisory  Agreement  with  BlackRock  Financial
Management,  Inc., (the "Adviser"),  a wholly-owned  corporate subsidiary of PNC
Asset  Management  Group,  Inc., the holding company for PNC's asset  management
businesses, and an Administration Agreement with Princeton Administrators,  L.P.
(the  "Administrator"),  an indirect wholly-owned  subsidiary of Merrill Lynch &
Co., Inc.



                                       12
<PAGE>
   The investment fee paid to the Adviser is computed weekly and payable monthly
at an annual rate of 0.35% of the Trust's average weekly net investment  assets.
The  administration  fee paid to the  Administrator  is also computed weekly and
payable  monthly at an annual  rate of 0.15% of the Trust's  average  weekly net
investment assets.

   Pursuant to the agreements,  the Adviser provides  continuous  supervision of
the investment  portfolio and pays the compensation of officers of the Trust who
are  affiliated  persons of the Adviser.  The  Administrator  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,
for the year ended October 31, 1997,  aggregated  $589,963,849 and $591,591,137,
respectively.

   The federal  income tax basis of the Trust's  investments at October 31, 1997
was $371,044,266,  and accordingly,  net unrealized appreciation was $18,265,235
(gross      unrealized      appreciation--$18,271,830,      gross     unrealized
depreciation--$6,595).

NOTE 4. CAPITAL
There are 200 million shares of $.01 par value common stock  authorized.  Of the
16,707,093  common  shares  outstanding  at October 31, 1997,  the Adviser owned
7,093 shares. As of October 31, 1997, there were 5,200 shares of Preferred Stock
outstanding as follows: Series T7--2,600 and Series T28--2,600.

   Offering costs  ($1,046,346)  incurred in connection with the underwriting of
the Trust's  common stock have been charged to paid-in  capital in excess of par
of the common stock.

   The Trust may classify or reclassify any unissued shares of common stock into
one or more series of preferred stock. On April 1, 1993, the Trust  reclassified
2,600  shares of common  stock and issued 2 series of Auction  Market  Preferred
Stock ("Preferred Stock") as follows: Series T7--1,300 shares, Series T28--1,300
shares.  The Preferred  Stock had a liquidation  value of $50,000 per share plus
any accumulated but unpaid dividends.  On May 16, 1995  shareholders  approved a
proposal to split each share of the Trust's Auction Market  Preferred Stock into
two shares and simultaneously  reduce each share's  liquidation  preference from
$50,000 to $25,000  per share plus any  accumulated  but unpaid  dividends.  The
stock split occurred on July 24, 1995.

   The underwriting discount ($1,950,000) and offering costs ($328,828) incurred
in  connection  with the Preferred  Stock  offering have been charged to paid-in
capital in excess of par of the common stock.

   Dividends on Series T7 are  cumulative  at a rate which is reset every 7 days
based on the results of an auction.  Dividends on Series T28 are also cumulative
at a rate which is reset every 28 days based on the results of an auction.

Dividend  rates  ranged  from 3.30% to 4.99%  during the year ended  October 31,
1997. The Trust may not declare dividends or make other  distributions on shares
of common stock or purchase any such shares if, at the time of the  declaration,
distribution,  or  purchase,  asset  coverage  with  respect to the  outstanding
Preferred Stock would be less than 200%.

   The Preferred  Stock is redeemable at the option of the Trust, in whole or in
part, on any dividend  payment date at $25,000 per share plus any accumulated or
unpaid dividends whether or not declared. The Preferred Stock is also subject to
mandatory  redemption  at  $25,000  per  share  plus any  accumulated  or unpaid
dividends,  whether or not  declared,  if certain  requirements  relating to the
composition  of the  assets  and  liabilities  of the  Trust as set forth in the
Articles of Incorporation are not satisfied.

   The holders of  Preferred  Stock have voting  rights  equal to the holders of
common stock (one vote per share) and will vote  together with holders of shares
of common stock as a single class. However,  holders of Preferred Stock are also
entitled to elect two of the Trust's  directors.  In  addition,  the  Investment
Company Act of 1940  requires  that,  along with approval by  stockholders  that
might  otherwise be  required,  the approval of the holders of a majority of any
outstanding  preferred shares, voting separately as a class would be required to
(a) adopt any plan of  reorganization  that would adversely affect the preferred
shares, and (b) take any action requiring a vote of security holders, including,
among other  things,  changes in the Trust's  subclassification  as a closed-end
investment company or changes in its fundamental investment restrictions.

NOTE 5. DIVIDENDS  AND DISTRIBUTIONS 
Subsequent to October 31, 1997,  the Board of Directors of the Trust  declared a
divi-dend  from  undistributed  earnings of $0.065625  per common share  payable
November  28, 1997,  to  shareholders  of record on November  14, 1997.  For the
period  November 1 through  November 30,  dividends  declared on Preferred Stock
totalled $527,045 in aggregate for the two outstanding Preferred Stock series.



                                       13
<PAGE>

- --------------------------------------------------------------------------------
              THE BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                         REPORT OF INDEPENDENT AUDITORS
- --------------------------------------------------------------------------------

The  Shareholders  and Board of Directors of 
The  BlackRock  Investment  Quality Municipal Trust Inc.:

We have audited the accompanying statement of assets and liabilities,  including
the portfolio of  investments,  of The BlackRock  Investment  Quality  Municipal
Trust Inc. as of October 31, 1997 and the related  statements of operations  for
the year then ended and of changes in net investment  assets for each of the two
years in the period then ended and the financial  highlights for the each of the
four  years in the  period  then  ended and for the  period  February  26,  1993
(commencement  of investment  operations) to October 31, 1993.  These  financial
statements and the financial  highlights are the  responsibility  of the Trust's
management.  Our  responsibility  is to express  an  opinion on these  financial
statements and financial highlights based on our audits.

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

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

/s/ DELOITTE & TOUCHE LLP
- -------------------------
DELOITTE & TOUCHE LLP

New York, New York
December 12, 1997



                                       14
<PAGE>

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              THE BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                                 TAX INFORMATION
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      We are required by the Internal  Revenue Code to advise you within 60 days
of the Trust's  fiscal year end as to the federally  exempt  interest  dividends
received by you during such fiscal year.  Accordingly,  we are advising you that
all regular  dividends  paid by the Trust during the fiscal year were  federally
tax-exempt  interest  dividends.  Additionally,  the  following  summarizes  the
special taxable distributions declared by the Trust during the fiscal year:

<TABLE>
<CAPTION>
                                                                          TAXABLE        LONG-TERM
                                              RECORD        PAYABLE      ORDINARY         CAPITAL
                                               DATE          DATE         INCOME           GAIN
                                               -----        ------        -------        ---------
<S>                                          <C>           <C>           <C>            <C>      
Common Stock Shareholders ..............     12/16/96      12/31/96      $0.003350      $0.015935
Preferred Stock Series T-7 .............     11/19/96      11/20/96        3.63           16.97
Preferred Stock Series T-28 ............     12/10/96      12/11/96        15.53          15.53
Preferred Series T-7 ...................       4/7/97       4/8/97          --            0.30
Preferred Series T-28 ..................      4/28/97       4/29/97         --            0.29

</TABLE>

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                           DIVIDEND REINVESTMENT PLAN
- --------------------------------------------------------------------------------
      Pursuant  to  the  Trust's  Dividend   Reinvestment   Plan  (the  "Plan"),
shareholders will  automatically have all distributions of dividends and capital
gains  reinvested  by State Street Bank and Trust  Company (the "Plan Agent") in
Trust shares.  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 for the participants' accounts.

The Trust will not issue shares under 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 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.

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

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


<PAGE>

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

THE TRUST'S INVESTMENT OBJECTIVE

The BlackRock  Investment Quality Municipal Trust's  investment  objective is to
provide high current  income exempt from regular  Federal  income tax consistent
with the preservation of capital.

WHO MANAGES THE TRUST?

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

WHAT CAN THE TRUST INVEST IN?

Under normal  conditions,  the Trust expects to continue to manage its assets so
that at least 80% of its investments are rated at least  investment grade ("BBB"
by Standard & Poor's and "Baa" by Moody's  Investor  Services)  and up to 20% of
its  assets  may  instead be deemed to be of  equivalent  credit  quality by the
Adviser.  Examples  of the types of  securities  that the  Trust  may  invest in
include general  obligation bonds,  which are backed by the full taxing power of
the municipality  (states,  counties and cities),  and revenue bonds,  which are
backed by a revenue  source  associated  with the issuing  municipality  or by a
special tax.  Revenue bonds include those that are backed by revenues  generated
by universities,  hospitals, housing developments, utilities, public facilities,
toll roads, airports, etc.

WHAT IS THE ADVISER'S INVESTMENT STRATEGY?

The Adviser will manage the assets of the Trust in  accordance  with the Trust's
investment  objective and policies to seek to achieve its objective by investing
in municipal  debt  securities  that are  diversified  both  geographically  and
according to revenue source. As such, the Adviser actively manages the assets in
relation  to market  conditions  and  interest  rate  changes.  In  seeking  the
investment  objective,  the Trust does not expect to invest more than 25% of its
total assets in municipals that are issued by the same state. Depending on yield
and  portfolio  allocation  considerations,  the  Adviser may choose to invest a
portion of the Trust's  assets in securities  which pay interest that is subject
to AMT (alternative minimum tax).

Under current market conditions the use of leverage  increases the income earned
by the Trust.  The Trust  employs  leverage  primarily  through the  issuance of
preferred  stock.   Preferred  stockholders  will  receive  dividends  based  on
short-term rates in exchange for allowing the Trust to borrow additional assets.
These assets will be invested in longer-term assets which typically offer higher
interest  rates and the  difference  between the cost of the  dividends  paid to
preferred  stockholders  and the interest earned on the  longer-term  securities
will provide higher income levels for common  stockholders in most interest rate
environments.  The Trust issued  preferred  stock to leverage  the  portfolio at
approximately  35% of total  assets.  To protect  the common  stockholders  from
increases in the cost of the  preferred  stock  dividends,  the Trust invests in
securities called "additional interest bonds" or "embedded caps", which can help
to limit the risk of increasing  costs of leverage in a rising  interest rate or
flattening  yield curve  environment.  These bonds pay additional  interest when
short-term  municipal interest rates rise above a predetermined  rate, or "cap".
These  securities  are used,  when available in the  marketplace,  to attempt to
offset  increases in the interest paid to preferred  stockholders  and may allow
the Trust to maintain  dividend  levels to common  stockholders in interest rate
environments  where the yield curve is either flat or  inverted.  See  "Leverage
Considerations in the Trust" below.

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



                                       16
<PAGE>

reinvested in additional  shares of the fund through the Trust's transfer agent,
State  Street Bank and Trust.  Investors  who wish to hold shares in a brokerage
account  should check with their  financial  advisor to determine  whether their
brokerage firm offers dividend reinvestment services.

LEVERAGE CONSIDERATIONS IN THE TRUST

Leverage  increases  the duration (or price  sensitivity  of the net assets with
respect to changes  in  interest  rates) of the  Trust,  which can  improve  the
performance  of the Trust in a  declining  rate  environment,  but can cause net
assets to decline  faster in a rapidly  rising  interest rate  environment.  The
Trust may reduce,  or unwind,  the amount of leverage  employed should BlackRock
consider that  reduction to be in the best  interests of the Trust.  BlackRock's
portfolio managers  continuously monitor and regularly review the Trust's use of
leverage  and  maintain  the  ability to unwind the  leverage  if that course is
chosen.  As mentioned  above, the Trust will attempt to maintain a percentage of
its investments in additional  interest bonds which may help protect the Trust's
income from increases in the cost of leverage.

          SPECIAL CONSIDERATIONS AND RISK FACTORS RELEVANT TO THE TRUST

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

INVESTMENT  OBJECTIVE.  Although  the  objective of the Trust is to provide high
current  income  exempt from  regular  Federal  income tax  consistent  with the
preservation  of capital,  there can be no assurance that this objective will be
achieved.

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

LEVERAGE.  The Trust utilizes leverage through  preferred stock,  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:  BKN) 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.

INVESTMENT GRADE MUNICIPAL  OBLIGATIONS.  The value of municipal debt securities
generally  varies  inversely with changes in prevailing  market  interest rates.
Depending  on the amount of call  protection  that the  securities  in the Trust
have, the Trust may be subject to certain  reinvestment risks in environments of
declining interest rates.

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

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



                                       17
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- --------------------------------------------------------------------------------
              THE BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                                    GLOSSARY
- --------------------------------------------------------------------------------
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.

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 to
common shareholders on a monthly basis.

DIVIDEND REINVESTMENT: 
Shareholders may elect to have all dividends and  distributions of capital gains
automatically reinvested into additional shares of the Trust.

EMBEDDED CAP BONDS:
Also known as additional interest municipal bonds. These securities are intended
to  protect  the income  that a fund earns  through  leverage  from  significant
increases in short-term  rates. The coupon on these bonds will increase if short
term rates rise significantly.

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.

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 NEW
YORK TIMES or THE WALL STREET JOURNAL each Monday.

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

PREREFUNDED BONDS: 
These securities are collateralized by U.S. Government securities which are held
in escrow and are used to pay principal and interest on the tax exempt issue and
retire the bond in full at the date indicated, typically at a premium to par.




                                       18
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- --------------------------------------------------------------------------------
                      BLACKROCK FINANCIAL MANAGEMENT, INC.
                                   AN OVERVIEW
- --------------------------------------------------------------------------------
      BlackRock  Financial  Management  (BlackRock)  is a registered  investment
adviser which specializes in managing high quality fixed income securities, both
taxable and tax exempt.  BlackRock  currently manages over $50 billion of assets
across the government,  mortgage,  corporate and municipal sectors. These assets
are managed on behalf of many  individual  investors  in  twenty-one  closed-end
funds  traded on either the New York or American  stock  exchanges,  and several
open-end  funds  and on behalf of more  than 125  institutional  clients  in the
United States and overseas.

      BlackRock  was  formed in April  1988 by fixed  income  professionals  who
sought to create an asset management firm  specializing in managing fixed income
securities for individuals and  institutional  investors.  The  professionals at
BlackRock have extensive experience creating, analyzing and trading a variety of
fixed income instruments,  including the most complex structured securities.  In
fact, individuals at BlackRock are responsible for many of the major innovations
in the  mortgage-backed  and  asset-backed  securities  markets,  including  the
creation of the CMO, the floating rate CMO, the senior/subordinated pass-through
and the multi-class asset-backed security.

      BlackRock  is unique  among asset  management  and  advisory  firms in the
significant  emphasis it places on the  development  of  proprietary  analytical
capabilities.  A quarter of the professionals at BlackRock work full-time in the
design,  maintenance  and use of such systems  which are otherwise not generally
available to investors.  BlackRock's  proprietary  analytical tools are used for
evaluating,  investing in and designing investment  strategies and portfolios of
fixed  income  securities,   including  mortgage   securities,   corporate  debt
securities or tax-exempt securities and a variety of hedging instruments.

      BlackRock has developed  investment  products  which respond to investors'
needs and has been  responsible  for several  major  innovations  in  closed-end
funds.  BlackRock  introduced  the first  closed-end  mortgage  fund,  the first
taxable  and  tax-exempt  closed-end  funds to offer a finite  term,  the  first
closed-end  fund to achieve a AAAf  rating by  Standard & Poor's,  and the first
closed-end  fund to invest  primarily in North American  Government  securities.
BlackRock's  closed-end funds currently have dividend  reinvestment  plans which
are  designed  to  provide  an  ongoing  source of  demand  for the stock in the
secondary market. BlackRock manages a ladder of alternative investment vehicles,
with each fund having specific investment objectives and policies.

      In view of our continued  desire to provide a high level of service to all
our shareholders, BlackRock maintains a toll-free number for your questions. The
number is (800) 227-7BFM (7236).  We encourage you to call us with any questions
you may have about your  BlackRock  funds and thank you for the continued  trust
you place in our abilities.

                      IF YOU WOULD LIKE FURTHER INFORMATION
           PLEASE DO NOT HESITATE TO CALL BLACKROCK AT (800) 227-7BFM



                                       19
<PAGE>

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

Michael C. Huebsch, VICE PRESIDENT
Robert S. Kapito, VICE PRESIDENT
Kevin Klingert, VICE PRESIDENT
Richard M. Shea, VICE PRESIDENT/TAX
Henry Gabbay, TREASURER
James Kong, ASSISTANT TREASURER
Karen H. Sabath, SECRETARY

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

ADMINISTRATOR
Princeton Administrators, L.P.
P.O. Box 9095
Princeton, NJ 08543-9095
(800) 688-0928

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

AUCTION  AGENT
Bankers Trust Company
4 Albany Street
New York, NY 10006

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

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

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

              THE BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                       c/o Princeton Administrators, L.P.
                                  P.O. Box 9095
                            Princeton, NJ 08543-9095
                                 (800) 227-7BFM

                                                                      09247D-105
                                                                      09247D-204
[LOGO]  Printed on recycled paper                                     09247D-303

THE
INVESTMENT QUALITY
MUNICIPAL TRUST INC.
=============================
ANNUAL REPORT
OCTOBER 31, 1997



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