BLACKROCK NORTH AMERICAN GOVERNMENT INCOME TRUST INC
N-30D, 1997-06-30
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- --------------------------------------------------------------------------------
            THE BLACKROCK NORTH AMERICAN GOVERNMENT INCOME TRUST INC.
                       SEMI-ANNUAL REPORT TO SHAREHOLDERS
                          REPORT OF INVESTMENT ADVISER
- --------------------------------------------------------------------------------

                                                                    May 30, 1997

Dear Trust Shareholder:

      Domestic bond investors have experienced higher interest rates in the face
of a  resilient  stock  market and  stronger  economic  growth over the past six
months.  However,  as a  pre-emptive  strike at inflation,  the Federal  Reserve
raised the  Federal  funds  target  rate  one-quarter  of a point at their March
policy meeting.

      BlackRock expects that both production and consumption will continue to be
strong in the coming months.  However,  the combined  effects of higher interest
rates and already  rising  consumer debt should lead to more  moderate  economic
growth  later  in 1997.  Despite  inflation  remaining  relatively  low,  strong
consumer  confidence and robust  industrial  activity suggest that the potential
for future inflation exists. Therefore, BlackRock currently maintains a cautious
fundamental  outlook  for  bonds.  While we believe  that one or two  additional
interest  rate  increases by the Fed may still be  necessary to temper  economic
growth,  it does not appear that 1997 will be a repeat of the  dramatic  rise in
short term interest rates that the market witnessed in 1994.

      This report  provides the Trust's  portfolio  managers an  opportunity  to
provide you with  detailed  market  commentary  and review the major themes that
have occurred in the portfolio  over the past six months.  We hope that you find
this report  informative and look forward to serving your financial needs in the
future.


Sincerely,


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


<PAGE>

                                                                    May 30, 1997

Dear Shareholder:

      We are pleased to present the  semi-annual  report for The BlackRock North
American  Government  Income Trust Inc.  (the  "Trust") for the six months ended
April 30,  1997.  We would like to take this  opportunity  to review the Trust's
stock price and net asset value (NAV) performance, summarize market developments
in the  United  States  and  Canada  and  discuss  recent  portfolio  management
activity.

      The Trust is a  non-diversified,  actively  managed  closed-end  bond fund
whose shares are traded on the New York Stock  Exchange  under the symbol "BNA".
The Trust's  investment  objective is to provide high monthly income  consistent
with the preservation of capital. The Trust seeks this objective by investing in
Canadian and U.S.  dollar-denominated  investment grade fixed income securities,
with at  least  65% of the  Trust's  assets  to be  Canadian  dollar-denominated
securities (primarily Canadian provincial debt, Canadian Treasury securities and
Canadian  mortgage-backed  securities).  The U.S.  portion of the  portfolio  is
expected  to consist  primarily  of  mortgage-backed  securities  backed by U.S.
Government  agencies  (such as Fannie Mae,  Freddie Mac or Ginnie Mae) and, to a
lesser extent, U.S. Government securities, asset-backed securities and privately
issued mortgage-backed securities. All of the Trust's assets must be rated "BBB"
by Standard & Poor's or "Baa" by Moody's at the time of purchase or be issued or
guaranteed by the Canadian or U.S. Governments or their agencies.

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

- --------------------------------------------------------------------------------
                              4/30/97   10/31/96    CHANGE     HIGH       LOW
- --------------------------------------------------------------------------------
  STOCK PRICE                 $9.875     $10.125    (2.47%)   $10.50    $9.625
- --------------------------------------------------------------------------------
  NET ASSET VALUE (NAV)       $11.80     $12.33     (4.30%)   $12.56    $11.68
- --------------------------------------------------------------------------------
  CURRENCY EXCHANGE RATE      $0.7157    $0.7462    (4.09%)   $0.7517   $0.7134
- --------------------------------------------------------------------------------
  10-YEAR U.S. TREASURY NOTE   6.71%      6.36%      +35bp     6.97%     6.04%
- --------------------------------------------------------------------------------

THE U.S. AND CANADIAN FIXED INCOME MARKETS

      Stronger  economic  data and  accompanying  inflation  fears  caused  U.S.
Treasury  yields  to rise  for the  majority  of the six  month  period  between
November 1, 1996 and April 30, 1997.  After  reaching  their lowest levels since
March of 1996,  Treasury  yields began rising in December after Federal  Reserve
Chairman Alan  Greenspan's  mention of "irrational  exuberance" in the financial
markets.  Data indicating  continued  economic strength  characterized the first
four months of 1997. Although inflationary measures such as commodity,  producer
and consumer prices remained  relatively stable,  tight labor markets and strong
consumer  confidence led the Federal  Reserve to raise the Federal funds rate by
25  basis  points  (1/4%)  at  their  March  25  monetary   policy   meeting  to
pre-emptively fight inflation.  Hints of moderating economic growth during April
proved to be a more accommodating environment for bonds, as Treasury yields fell
towards  month-end  in  response to a strong  dollar,  rising  stock  market and
optimism for a balanced-budget agreement.

      For the six month  period,  the yield of the  10-year  Treasury  note rose
0.37% to end April at 6.71%.  However,  the  10-year's  yield  reached a high of
6.98%  in  mid-April  before  falling  the last  two  weeks of the  month as the
likelihood  decreased for another  interest rate hike by the Federal  Reserve at
their May  meeting.  Over the  period,  spread  product  (bonds that offer yield
spreads over Treasuries) outperformed Treasuries. In particular,  the market for
mortgage-backed securities ("MBS")posted good relative performance primarily due
to low interest  rate  volatility  and subdued  refinancing  concerns.  Over the
period,  the MBSmarket as measured by the Lehman  Mortgage  Index returned 2.63%
versus the Treasury  market's  return  (measured by the Merrill  Lynch 7-10 year
Treasury Index)of 0.76%.

                                       2
<PAGE>

      Canadian  bonds  outperformed  their  U.S.  counterparts  for  much of the
period,  as 10-year Canadian yields fell to even levels with U.S.  Treasuries in
late 1996. Strength in the Canadian dollar prompted Bank of Canada reductions in
short term interest rates during the fourth quarter 1996. The Bank of Canada was
not  compelled  to raise  short-term  rates in tandem  with the March U.S.  rate
increase,  as the Canadian  economy showed signs of sufficient  unemployment  to
ward off inflation.  In March,  the Canadian yield curve flattened as the market
came under  pressure due to a weakening of the Canadian  dollar.  Going forward,
the Canadian market looks relatively  attractive due to moderate economic growth
and no real signs of inflation,  but a potential interest rate increase could be
on the horizon, should U.S. interest rates continue to rise. The recent call for
elections  in Canada on June 2, 1997  should have no  medium-term  impact on the
Canadian market,  even though modest currency  fluctuation in the short-term may
arise.

      For  the  six  month  period,  the  Trust  slightly   underperformed  U.S.
Treasuries, posting a -0.97% return versus the 0.76% total return of the Merrill
Lynch 7-10 Year Treasury Index. This  underperformance  was largely attributable
to the decline in the  currency  exchange  rate  between the U.S.  and  Canadian
dollars. For example, the Canadian dollar was worth nearly $0.75 U.S. dollars on
October 31,  1996;  at the end of April 1997,  the  exchange  rate was less than
$0.72 U.S. dollars.

THE TRUST'S PORTFOLIO AND INVESTMENT STRATEGY

      BlackRock actively manages the Trust's portfolio holdings  consistent with
BlackRock's  overall market outlook and the Trust's investment  objectives.  The
total  Portfolio's  duration  (or  interest  rate  sensitivity)  is  managed  to
approximate  the duration of the U.S.  10-year  Treasury;  this means that for a
given change in interest rates,  the movement in the Trust's NAV can be expected
to  approximate  the price  movement of the 10-year  Treasury  note. The Trust's
Canadian and U.S. holdings are managed as two separate  portfolios.  The Trust's
Canadian exposure has generally  remained between 65% and 75% of the portfolio's
assets;  however,  this  allocation  may be adjusted in relation to  BlackRock's
views and  expectations  regarding  interest  rates and changes in the  currency
exchange  rates  between the U.S.  and  Canadian  dollar.  The  following  chart
compares the Trust's current and October 31, 1996 asset composition.

- --------------------------------------------------------------------------------
         COMPOSITION                        APRIL 30, 1997     OCTOBER 31, 1996
- --------------------------------------------------------------------------------
       Canadian Portfolio Allocation              66%                 76%
- --------------------------------------------------------------------------------
       Canadian Government Securities             14%                 15%
- --------------------------------------------------------------------------------
       Ontario                                    10%                 19%
- --------------------------------------------------------------------------------
       Canadian Corporate Bonds                    7%                  --
- --------------------------------------------------------------------------------
       Canadian Mortgages                          6%                  8%
- --------------------------------------------------------------------------------
       Quebec                                      5%                  7%
- --------------------------------------------------------------------------------
       New Brunswick                               5%                  5%
- --------------------------------------------------------------------------------
       Saskatchewan                                4%                  6%
- --------------------------------------------------------------------------------
       British Columbia                            4%                  6%
- --------------------------------------------------------------------------------
       New Foundland                               3%                  3%
- --------------------------------------------------------------------------------
       Manitoba                                    3%                  3%
- --------------------------------------------------------------------------------
       Nova Scotia                                 3%                  2%
- --------------------------------------------------------------------------------
       Prince Edward Island                        2%                  2%
- --------------------------------------------------------------------------------
       U.S. PORTFOLIO ALLOCATION                  34%                 24%
- --------------------------------------------------------------------------------
       FHA Project Loans                           7%                  7%
- --------------------------------------------------------------------------------
       Agency Multiple Class Mortgage
         Pass-Throughs                             6%                  4%
- --------------------------------------------------------------------------------
       Adjustable Rate Mortgage Securities         5%                  1%
- --------------------------------------------------------------------------------
       Stripped Mortgage-Backed Securities         5%                  5%
- --------------------------------------------------------------------------------
       Non-Agency Multiple Class Mortgage
         Pass-Throughs                             4%                  3%
- --------------------------------------------------------------------------------
       U.S. Government Securities                  4%                  --
- --------------------------------------------------------------------------------
       Agency Mortgage Pass-Throughs               3%                  4%
- --------------------------------------------------------------------------------

                                       3
<PAGE>

      Over the  past six  months,  the  Trust's  Canadian  dollar  exposure  has
remained  fairly  constant  between  65%-75%  of total  portfolio  assets.  This
allocation was predicated upon the Canadian bond market's strong performance and
excellent  fundamental  factors  (particularly  fiscal  and  political),   which
suggested  further  strength.  The major  shifts  within  the  Trust's  Canadian
holdings  were a  reduction  in  Canadian  mortgage-backed  securities  (MBS)and
provincial  bonds and an increase in  investment  grade  corporate  bonds.  As a
relative value manager,  BlackRock seeks to overweight  sectors which we believe
offer the best  potential  total  returns  and  underweight  sectors  which have
already  posted  good  returns.  For  example,  the  shift  away  from  Canadian
provincial  bonds  was a  recognition  of  their  excellent  performance,  which
resulted in their historical yield advantage over comparable maturity U.S. bonds
dramatically  decreasing.  The sale of  provincials  raised  cash to  invest  in
corporate  bonds,  which offered the Trust an opportunity to increase its income
earning potential.

      In the U.S.  Portion of the  portfolio,  the Trust's main  emphasis was on
selecting  well-structured  MBSin an attempt to enhance the Trust's income.  One
area of emphasis for the Trust was the collateralized  mortgage obligation (CMO)
sector,  which has recently  experienced a significant increase in new issuance.
Much of this new  issuance  is a  result  of  increased  demand  from  financial
institutions (such as banks and insurance companies),  which could bode well for
the future performance of all U.S. mortgage securities.

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


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

- --------------------------------------------------------------------------------
           THE BLACKROCK NORTH AMERICAN GOVERNMENT INCOME TRUST INC.
- --------------------------------------------------------------------------------
Symbol on New York Stock Exchange:                                   BNA
- --------------------------------------------------------------------------------
Initial Offering Date:                                        December 20, 1991
- --------------------------------------------------------------------------------
Closing Stock Price as of April 30, 1997:                          $9.875
- --------------------------------------------------------------------------------
Net Asset Value as of April 30, 1997:                              $11.80
- --------------------------------------------------------------------------------
Yield on Closing Stock Price as of April 30, 1997 ($9.875)1:        8.51%
- --------------------------------------------------------------------------------
Current Monthly Distribution per Share2:                            $0.07
- --------------------------------------------------------------------------------
Current Annualized Distribution per Share2:                         $0.84
- --------------------------------------------------------------------------------

1  Yield  on  Closing  Stock  Price  is  calculated  by  dividing  the  current
   annualized distribution per share by the closing stock price per share.

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

                                       4
<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK NORTH AMERICAN 
GOVERNMENT INCOME TRUST INC.
PORTFOLIO OF INVESTMENTS 
APRIL 30, 1997 (UNAUDITED)
- --------------------------------------------------------------------------------
  S&P/  PRINCIPAL
 MOODYS  AMOUNT                                                 VALUE
RATINGS*  (000)         DESCRIPTION                            (NOTE 1)
- --------------------------------------------------------------------------------

                  LONG-TERM INVESTMENTS--126.9%
                  UNITED STATES SECURITIES--42.5%
                  MORTGAGE PASS-THROUGHS--12.7%
                  Federal Home Loan Mortgage
                   Corporation,
       $ 9,564     6.50%, 04/01/26 - 1/01/99 .............   $ 9,037,386
                  Federal Housing Administration,
                  GMAC,
         2,220     Series 37, 7.43%, 5/01/22 .............     2,232,561
         1,355     Series 44, 7.43%, 8/01/22 .............     1,363,955
         1,685     Series 59, 7.43%, 7/01/21 .............     1,691,016
           739     Series 65, 7.43%, 2/01/23 .............       742,040
                  Merrill,
         3,000     Series 29, 7.43%, 10/01/20 ............     3,011,086
        25,092     Series 42, 7.43%, 9/01/22 .............    25,217,836
         2,289     Reilly, Series B-11, 7.40%, 4/01/21 ...     2,299,821
                  Westmore Project 8240,
         2,360     7.25%, 04/01/21 .......................     2,360,035
                  Government National Mortgage
                   Association,
         3,967     6.00%, 3/15/09, 15 year ...............     3,785,685
         2,616     8.00%, 6/15/25 - 11/15/25 .............     2,652,226
                                                             -----------
                                                              54,393,647
                                                             -----------
                  MULTIPLE CLASS MORTGAGE
                   PASS-THROUGHS--18.0%
AAA     15,352    Community Program Loan Trust,
                   Collaterlized Mortgage Obligation,
                   Series 1987-A, Class A4, 10/01/18 .....    13,020,275
                  Countrywide Funding Corporation,
Aaa      3,240     Series 1993- 7, Class 7-AS3,
                    11/25/23 .............................     2,704,632
AAA      1,696     Series 1993-10, Class 10-A8,
                    1/25/24 ..............................     1,355,417
                  Federal Home Loan Mortgage
                   Corporation, Multiclass Mortgage
                   Participation Certificates,
         7,670     Series 120, Class 120-H, 2/15/21 ......     7,976,403
        12,810     Series 1353, Class 1353-S,
                    8/15/07 (ARM) ........................     1,473,110
         7,670     Series 1379, Class 1379-P,
                    8/15/18 (I), .........................       837,677
         1,033@    Series 1530, Class 1530-OA,
                    6/15/23 (ARM) ........................       633,941
         1,406     Series 1609, Class 1609-LN,
                    11/15/23 (ARM) .......................     1,027,672
         8,335     Series 1620, Class 1620-S,
                    11/15/23 (ARM) .......................     5,693,903
         6,298     Series 1673, Class 1673-SC,
                    10/15/22 (ARM) .......................     4,644,964
         5,815     Series 1675, Class 1675-SC,
                    2/15/24 (ARM) ........................     4,580,297
         2,201     Series 1857, Class 1857-PB,
                    12/15/08 .............................     1,713,811
                  Federal National Mortgage Association,
                   REMIC Pass-Through Certificates,
         7,597+    Trust 1989-90, Class 90-E, 12/25/19 ...     7,962,436
         1,390     Trust G1993-27, Class 27-SE,
                    8/25/23 (ARM) ........................       605,349
         1,404     Trust 1993-44, Class 44-K,
                    10/25/22 .............................     1,382,344
         1,233     Trust 1993-120, Class 120-SN,
                    7/25/23 (ARM) ........................       739,097
           760     Trust 1993-139, Class 139-SY,
                    8/25/23 (ARM) ........................       512,267
         1,889     Trust 1993-183, Class 183-SE,
                    10/25/23 .............................     1,310,354
         1,862     Trust 1993-201, Class 201-SC,
                    10/25/23 (ARM) .......................     1,293,048
         3,196     Trust 1993-210, Class 210-A,
                    1/25/23 ..............................     2,833,183
         2,351     Trust 1993-224, Class 224-SE,
                    11/25/23 (ARM) .......................     1,613,051
         4,550     Trust 1994-59, Class 59-SB,
                    3/25/24 (ARM) ........................     2,206,973
         4,159     Trust 1995-10, Class 10-B,
                    3/25/24 ..............................     3,627,677
         2,100     Trust 1996-14, Class 14-M, 10/25/2 ....    11,671,469
         1,193     Trust 1996-47, Class 47-SC,
                    3/25/26 (ARM) ........................     1,181,250
         3,900     Trust 1997-30, Class 30-I,
                    1/25/23 (I) ..........................     1,204,125
AAA      3,000    ML Trust XXXVI Collateralized
                   Mortgage Obligation, Series 36,
                   Class D, 11/01/18 .....................     3,193,500
                                                             -----------
                                                              76,998,225
                                                             -----------

                       See Notes to Financial Statements.


                                       5
<PAGE>

- --------------------------------------------------------------------------------
  S&P/  PRINCIPAL
 MOODYS  AMOUNT                                                 VALUE
RATINGS*  (000)         DESCRIPTION                            (NOTE 1)
- --------------------------------------------------------------------------------

                  STRIPPED MORTGAGE-BACKED
                   SECURITIES--7.1%
                  Federal Home Loan Mortgage
                   Corporation,
       $ 8,179     Series 1254, Class 1254-Z,
                    4/15/22 (I/O) ........................   $ 2,549,213
         7,500     Series 1434, Class1434-M,
                    12/15/22 (I/O) .......................     4,947,000
         4,384     Series 1570, Class 1570-C,
                    8/15/23 (P/O) ........................     2,047,986
         5,620     Series 1571, Class 1571-E,
                    8/15/23 (P/O) ........................     2,500,711
                  Federal National Mortgage Association,
                  REMIC Pass-Through Certificates,
         4,201@    Trust 116, Class 116-2,
                    1/01/17 (I/O) ........................     1,294,466
        10,386     Trust G-233, Class 2, 8/01/23 (I/O) ...     3,617,276
         7,971     Trust 267, Class 1, 10/01/24 (P/O) ....     5,513,785
         2,000     Trust G1992-5, Class 5-E,
                    1/25/22 (I/O) ........................     1,074,892
         1,700     Trust 1992-48, Class 48-J,
                    4/25/07 (I/O) ........................       690,915
         2,627     Trust 1994-22, Class 22-E,
                    1/25/24  (P/O) .......................     1,653,900
         3,321     Trust 1996-38, Class 38-E,
                    8/15/23, (P/O) .......................     1,290,875
        47,121     Trust 1996-43, Class 43-SA,
                    10/25/03 (I/O) .......................     1,472,531
         2,000     Trust 1996-66, Class 66-AB,
                    1/25/24 (P/O) ........................     1,220,000
Aaa      4,313    G. E. Capital Mortgage Services,
                   Trust 1993-13, Class A2,
                    10/25/08 (I/O) .......................       254,710
                                                             -----------
                                                              30,128,260
                                                             -----------
                  U.S GOVERNMENT SECURITIES--4.7%
         3,697    Small Business Administration,
                   Series 1996- 20 K,
                    6.95%, 11/01/16 ......................     3,638,059
                  U.S. Treasury Notes,

        15,651+    3.375%, 1/15/07 (TIPS) ................    15,401,479
           150     6.50%, 5/31/01 ........................       149,789
           610     7.25%, 8/15/04 ........................       629,636
                                                             -----------
                                                              19,818,963
                                                             -----------
                  Total United States Securities
                   (cost $182,007,747) ...................   181,339,095
                                                             -----------
                  CANADIAN SECURITIES--84.4%
                  CORPORATE BONDS--8.7%
AA-   C$ 4,500    Canadian Imperial Bank Commerce,
                   8.50%, 2/05/07 ........................     3,468,028
Aa3     15,000    Canadian Imperial Bank, Toronto,
                   8.15%, 4/25/11 ........................    11,660,702
A+      10,000    Ford Credit Canada Limited,
                   5.66%, 11/19/01 .......................     6,979,241
AA    C$17,500    Navigation Canada, Series 97-1,
                   6.45%, 6/01/04 ........................    12,435,773
AA       3,500    Vancouver International Airport
                   Authority, Series A,
                   6.55%, 12/07/06 .......................    2,437,974
                                                            -----------
                  Total Canadian Corporate Bonds             36,981,718
                                                            -----------
                  CANADIAN MORTGAGES--8.2%
                  Conduit for Mortgage Obligation,
         9,000     6.95%, 9/01/98 ........................    6,592,484
        10,178     8.25%, 5/01/98 ........................    7,434,822
        24,081    NHA Mortgage Backed Securities
                   Corporation, Household Trust,
                   7.75%, 6/01/99 ........................   17,880,737
                  Shoppers,
           811     9.125%, 4/01/02 .......................      622,289
         3,356     9.125%, 5/01/02 .......................    2,588,526
                                                             ----------
                  Total Canadian Mortgages                   35,118,858
                                                             ----------
                  CANADIAN GOVERNMENT SECURITIES--18.3%
                  CANADIAN TREASURY NOTES,
        40,918++   4.25%, 12/01/26 .......................   29,319,340
        13,500     7.25%, 6/01/07 ........................   10,067,502
        15,000+    7.50%, 9/01/00 ........................   11,329,349
        35,575+    8.50%, 3/01/00 ........................   27,486,462
                                                            -----------
                  Total Canadian Government
                   Securities ............................   78,202,653
                                                            -----------

                  CANADIAN PROVINCIAL SECURITIES--49.2%
                  BRITISH COLUMBIA--5.4%
        25,000    British Columbia Province,
                   8.50%, 8/23/13 ........................   20,091,267
         4,000    Municipal Finance Authority,
                   7.75%, 12/01/05 .......................    3,056,263
                                                             ----------
                                                             23,147,530
                                                             ----------
                  MANITOBA--3.5%
         3,000    City of Winnipeg,
                   9.375%, 2/11/13 .......................    2,538,296
        15,000    Manitoba Province,
                   9.375%, 11/15/04 ......................   12,521,832
                                                            -----------
                                                             15,060,128
                                                            -----------
                  NEW BRUNSWICK--6.3%
                  New Brunswick Province,
         5,000     7.50%, 12/15/05 .......................    3,767,001
        13,000     7.625%, 7/14/00 .......................    9,769,077
        14,600     10.125%, 10/31/11 .....................   13,298,332
                                                            -----------
                                                             26,834,410
                                                            -----------
                  NEWFOUNDLAND--4.3%
        23,000    Newfoundland Province,
                   8.45%, 2/05/26 ........................   18,225,483
                                                            -----------

                       See Notes to Financial Statements.

                                       6
<PAGE>

- --------------------------------------------------------------------------------
  S&P/  PRINCIPAL
 MOODYS  AMOUNT                                                 VALUE
RATINGS*  (000)         DESCRIPTION                            (NOTE 1)
- --------------------------------------------------------------------------------

                  NOVA SCOTIA--3.1%
      C$15,000++  Nova Scotia Province,
                   9.60%, 1/30/22 ........................$  13,360,630
                                                          -------------
                  ONTARIO--13.4%
        10,000    Hamilton Wentworth Regional
                   Municipality,
                   7.00%, 6/06/01 ........................    7,397,280
                  Ontario Province,
         8,500     7.50%, 1/19/06 ........................    6,398,425
        25,000++   8.10%, 9/08/23 ........................   19,443,450
        20,000     9.75%, 10/29/01 .......................   16,259,127
        10,000    Toronto Metropolitan Municipality,
                   7.75%, 12/01/05 .......................    7,601,646
                                                          -------------
                                                             57,099,928
                                                          -------------
                  PRINCE EDWARD ISLAND--2.4%
        13,000++  Prince Edward Island Province,
                   8.50%, 10/27/15 .......................   10,329,277
                                                          -------------
                  QUEBEC--6.3%
                  Hydro Quebec,
        18,600++   10.25%, 5/15/03 .......................   14,053,185
         7,250     10.75%, 3/27/04 .......................    5,487,580
        10,000    Quebec Province,
                   7.50%, 12/01/03 .......................    7,473,157
                                                          -------------
                                                             27,013,922
                                                          -------------
                  SASKATCHEWAN--4.5%
                  Saskatchewan Province,
        20,000++   7.50%, 12/19/05 .......................   15,106,657
         5,000     11.00%, 1/09/01 .......................    4,180,601
                                                          -------------
                                                             19,287,258
                                                          -------------
                  TOTAL CANADIAN PROVINCIAL SECURITIES ...  210,358,566
                                                          -------------
                  Total Canadian Securities
                   (cost $360,156,928) ...................  360,661,795
                                                          -------------
                  Total Long-Term Investments
                   (cost $542,164,675) ...................  542,000,890
                                                          -------------
                  SHORT-TERM INVESTMENT--01%
                  REPURCHASE AGREEMENT
         $ 160    State Street Bank and Trust Co.,
                   5.15% dated 4/30/97, due
                   5/1/97 in the amount of
                   $160,023 (collateralized by
                   $165,000 United States
                   Treasury Note, 5.75%, due
                   12/31/98, value including
                   accrued interest
                   $167,080)
                   (cost $160,000) .......................      160,000
                                                          -------------
                  PUT OPTIONS PURCHASED--0.1%
        25,000    Interest Rate Swap,
                   3 month Libor Minus 8.5%, 6/15/11
                   expiring 6/15/01
                   (cost $547,500) .......................      515,223
                                                          -------------
                  Total Short-Term Investments
                   (cost $707,500) .......................      675,223
                                                          -------------
                  Total Investments, before investment
                   sold short--127.1%
                   (cost $542,872,175) ...................  542,676,113
                                                          -------------
        PRINCIPAL
         AMOUNT
          (000)
       ----------

                  INVESTMENTS SOLD SHORT--(6.0%)
       $ 5,700    United States Treasury Bonds,
                   6.75%, 8/15/26 ........................   (5,515,662)
                  United States Treasury Notes,
         2,500     6.25%, 10/31/01 .......................   (2,469,525)
           550     6.50%, 10/15/06 .......................     (540,975)
        17,000     7.00%, 7/15/06 ........................  (17,286,790)
                                                          -------------

                   (PROCEEDS $26,192,224)                   (25,812,952)
                                                          -------------
                  Total Investments Net of
                   Investments Sold Short--121.0% ........  516,863,161
                  Liabilities in excess of other
                   assets--(21.0%) .......................  (89,785,589)
                                                          -------------
                  NET ASSETS--100% ....................... $427,077,572
                                                          =============

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

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

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

   *  Using the higher of Standard & Poor's or Moody's Rating.
   +  (Partial) principal amount pledged as collateral for reverse
      repurchase agreements.
  ++  Entire principal amount pledged as collateral for reverse
      repurchase agreements.
   @  Entire principal amount pledged as collateral for futures
      transactions.

See Notes to Financial Statements.

                                       7
<PAGE>

- -------------------------------------------------------------------------------
THE BLACKROCK NORTH AMERICAN
GOVERNMENT INCOME TRUST INC.
STATEMENT OF ASSETS AND LIABILITIES
APRIL 30, 1997 (UNAUDITED)
- -------------------------------------------------------------------------------


ASSETS
Investments, at value (cost $542,872,175) (Note 1) ..  $542,676,113
Canadian dollars, at value (cost $1,728,757) ........     2,317,147
Deposits with brokers for securities sold short .....    25,907,188
Receivable for investments sold .....................    20,936,305
Interest receivable .................................    10,824,049
Interest rate caps, at value (cost $2,536,000)
   (Notes 1 & 3) ....................................     2,647,370
Forward currency contracts--amount receivable
   from counterparties ..............................        50,330
                                                      -------------
                                                        605,358,502
                                                      -------------


LIABILITIES
Reverse repurchase agreements (Note 4) ..............   147,824,940 
Investments sold short, at value
   (proceeds $26,192,224) ...........................    25,812,952
Dollar roll payable .................................     2,622,317
Interest payable ....................................       513,548
Bank overdraft ......................................       486,331 
Other accrued expenses ..............................       307,769
Advisory fee payable (Note 2) .......................       209,779
Dividends payable ...................................       197,956
Due to broker-variation margin ......................       155,812
Unrealized depreciation on forward swap
   (Notes 1 &3) .....................................        92,157
Administration fee payable (Note 2) .................        34,963
Payable for investments purchased ...................        22,406
                                                       ------------
                                                        178,280,930
                                                       ------------
NET ASSETS                                              427,077,572
                                                       ------------
Net assets were comprised of:
   Common stock, at par (Note 5) ....................       362,071
   Paid-in capital in excess of par .................   443,708,250
                                                       ------------
                                                        444,070,321
   Undistributed net investment income ..............     1,483,221       
   Accumulated net realized loss on investments .....   (18,373,754)       
   Net unrealized appreciation on investments .......    12,879,724
   Accumulated net realized and unrealized
     foreign currency loss ..........................   (12,981,940)
                                                       ------------
   Net assets, April 30, 1997                          $427,077,572
                                                       ============
Net asset value per share:
   ($427,077,572 / 36,207,093 shares of
   common stock issued and outstanding)                      $11.80
                                                             ======

- --------------------------------------------------------------------------------
THE BLACKROCK NORTH AMERICAN
GOVERNMENT INCOME TRUST INC.
STATEMENT OF OPERATIONS
SIX MONTHS ENDED APRIL 30, 1997 (UNAUDITED)
- --------------------------------------------------------------------------------


NET INVESTMENT INCOME
Income
Interest (net of premium amortization of
   $3,257,446 and net of interest expense of
   $3,408,965) .................................  $18,941,531
                                                  -----------
Expenses
   Investment advisory .........................    1,309,829
   Administration ..............................      218,305
   Reports to shareholders .....................      174,000
   Custodian ...................................      154,000
   Audit .......................................       42,000
   Directors ...................................       36,000
   Transfer agent ..............................       20,000
   Miscellaneous ...............................      102,251
                                                  -----------
     Total operating expenses ..................    2,056,385
                                                  -----------
   Net investment income .......................   16,885,146
                                                  -----------
REALIZED AND UNREALIZED GAIN (LOSS) ON
INVESTMENTS AND FOREIGN CURRENCY
TRANSACTIONS (NOTE 3)
Net realized gain (loss) on:
   Investments .................................   41,309,141       
   Futures .....................................      366,295
   Short sales .................................       (4,875)
   Foreign currency ............................     (341,543)
                                                  -----------
                                                   41,329,018
                                                  -----------
Net change in unrealized appreciation 
   (depreciation) on:
   Investments .................................  (46,766,654)
   Futures .....................................    1,013,140       
   Short sales .................................      430,041
   Foreign currency ............................  (17,000,791)
                                                  -----------
                                                  (62,324,264)
                                                  -----------
Net loss on investments and foreign currency 
   transactions ................................  (20,995,246)
                                                  -----------

NET DECREASE IN NET ASSETS
RESULTING FROM OPERATIONS ......................  ($4,110,100)
                                                  ===========


See Notes to Financial Statements.

                                       8

<PAGE>


- --------------------------------------------------------------------------------
THE BLACKROCK NORTH AMERICAN
GOVERNMENT INCOME TRUST INC.
STATEMENT OF CASH FLOWS
SIX MONTHS ENDED APRIL 30, 1997 (UNAUDITED)
- --------------------------------------------------------------------------------

INCREASE (DECREASE) IN CASH
(INCLUDING FOREIGN CURRENCY)
Cash flows provided by operating activities:
   Interest received ................................. $ 25,604,231       
   Operating expenses paid ...........................   (2,168,163)
   Interest expense paid on reverse repurchase
     agreements ......................................   (3,152,151)
   Proceeds from disposition of short-term portfolio
     investments including options, net ..............  221,094,890
   Purchases of long-term portfolio investments ...... (476,073,050)
   Proceeds from disposition of long-term
     portfolio investments ...........................  315,194,288
Variation margin on futures ..........................    1,351,876
                                                       ------------
   Net cash flows provided by operating activities ...   81,851,921
                                                       ------------
Cash flows used for financing activities:
   Decrease in reverse repurchase agreements .........  (69,309,781)
   Cash dividends paid ...............................  (15,239,057)
                                                       ------------

   Net cash flows used for financing activities ......  (84,548,838)
                                                       ------------
Net realized and unrealized foreign currency .........   (2,133,566)
                                                       ------------
Net decrease in cash .................................   (4,830,483)
Cash at beginning of period ..........................    6,661,299
                                                       ------------
Cash at end of period ................................    1,830,816
                                                       ============

RECONCILIATION OF NET DECREASE IN NET
ASSETS RESULTING FROM OPERATIONS TO
NET CASH FLOWS (INCLUDING FOREIGN
CURRENCY) PROVIDED BY OPERATING ACTIVITIES
Net decrease in net assets resulting from operations . $ (4,110,100)
                                                       ------------
Decrease in investments ..............................  240,167,212
Net realized gain ....................................  (41,329,018)
Decrease in unrealized appreciation ..................   62,324,264
Increase in deposits with brokers as
   collateral for investments sold short .............  (23,354,063)
Increase in interest receivable ......................       (3,711)
Decrease in receivable for investments sold ..........   22,144,682      
Decrease in receivable for forward
   currency contracts ................................      449,776
Increase in appreciation on interest rate swaps ......   (3,773,787) 
Decrease in other assets .............................        1,659
Decrease in variation margin payable .................      (27,559)
Decrease in payable for investments purchased ........ (187,614,267)
Decrease in dollar roll payable ......................   (4,940,510)
Increase in depreciation on interest rate cap ........   (1,601,468)
Increase in unrealized depreciation
   on forward swap ...................................       92,157
Increase in payable for securities sold short ........   23,283,277
Increase in interest payable .........................      256,814
Increase in accrued expenses and other liabilities ...     (113,437)
                                                       ------------
   Total adjustments .................................   85,962,021
                                                       ------------
Net cash flows provided by operating activities ...... $ 81,851,921
                                                       ============




- --------------------------------------------------------------------------------
THE BLACKROCK NORTH AMERICAN
GOVERNMENT INCOME TRUST INC.
STATEMENTS OF CHANGES
IN NET ASSETS (UNAUDITED)
- --------------------------------------------------------------------------------

INCREASE (DECREASE)                           SIX MONTHS               YEAR
IN NET ASSET                                     ENDED                ENDED
                                               APRIL 30,            OCTOBER 31,
                                                 1997                  1996
                                             -----------            -----------


Operations:

   Net investment income ................   $ 16,885,146           $ 33,758,567

   Net realized gain on investments,
     futures, short sales
     and foreign currency
     transactions .......................     41,329,018              9,267,771

   Net change in unrealized
     appreciation/depreciation
     on investments, futures, short
     sales, and foreign
     currency ...........................    (62,324,264)            23,957,473
                                           -------------           ------------

   Net increase (decrease) in net
     assets resulting from
     operations .........................     (4,110,100)            66,983,811

Dividends and distributions:

   Dividends from net investment
     income .............................    (15,206,773)           (10,532,288)

   Return of capital distributions ......             --            (21,352,044)
                                            ------------           ------------

   Total increase (decrease) ............    (19,316,873)            35,099,479


NET ASSETS

   Beginning of period ..................    446,394,445            411,294,966
                                            ------------           ------------
   End of period ........................   $427,077,572           $446,394,445
                                            ============           ============



                       See Notes to Financial Statements.

                                       9
<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK NORTH AMERICAN GOVERNMENT INCOME TRUST INC.
FINANCIAL HIGHLIGHTS (UNAUDITED)
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>

                                                  SIX MONTHS               YEAR ENDED OCTOBER 31,            DECEMBER 27, 1991*
                                                     ENDED        _________________________________________       THROUGH
                                                 APRIL 30, 1997   1996        1995        1994       1993    OCTOBER 31, 1992
                                                 --------------   ----        ----        ----       ----    -----------------

<S>                                               <C>         <C>         <C>          <C>        <C>          <C>     
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period ...........  $  12.33     $ 11.36    $  10.07     $  12.34   $  13.13     $  14.10
                                                  --------     -------    --------     --------   --------     --------
   Net investment income (net of interest  
     expense of $.09, $.41, $.35, $.26, $.20,  
     and $.14, respectively) ...................       .47         .93         .89         1.09       1.21         1.03
   Net realized and unrealized gain (loss) on 
     investments and foreign currency 
     transactions ..............................      (.58)        .92        1.37        (2.28)      (.80)        (.99)
                                                  --------     -------    --------     --------   --------     --------
Net increase (decrease) from investment 
   operations ..................................      (.11)       1.85        2.26        (1.19)      .41          .04
                                                  --------     -------    --------     --------   --------     --------
Less dividends and distributions:
   Dividends from net investment income ........      (.42)       (.29)         --        (1.03)     (1.20)        (.98)
   Return of capital distributions .............        --        (.59)       (.97)        (.05)        --           --
                                                  --------     -------    --------     --------   --------     --------
       Total dividends and distributions .......      (.42)       (.88)       (.97)       (1.08)     (1.20)        (.98)
                                                  --------     -------    --------     --------   --------     --------
Capital charge with respect to issuance of 
   shares ......................................        --          --          --           --         --         (.03)
                                                  --------     -------    --------     --------   --------     --------
Net asset value, end of period** ...............  $  11.80     $ 12.33    $  11.36     $  10.07   $  12.34     $  13.13#
                                                  --------     -------    --------     --------   --------     --------
Per share market value, end of period** ........  $  9 7/8     $10 1/8    $ 10 1/8     $  9 1/8   $ 12 7/8     $ 13 1/2
                                                  ========     =======    ========     ========   ========     ========
TOTAL INVESTMENT RETURN+ .......................     1.67%        9.48%     22.88%      (21.62%)     4.68%        2.40%
RATIOS TO AVERAGE NET ASSETS:
Operating expenses (a) .........................      .94%+++      .97%       .96%        1.01%       .98%         .90%+++
Net investment income ..........................     7.76%+++     8.24%      8.58%        9.92%      9.72%        9.09%+++
SUPPLEMENTAL DATA:
Average net assets (in thousands) ..............  $438,937    $409,644    $374,975     $397,651   $452,740     $482,326
Portfolio turnover .............................       48%        151%         78%          70%       155%         314%
Net assets, end of period (in thousands) .......  $427,078    $446,394    $411,295     $364,749   $446,614     $475,220
Reverse repurchase agreements outstanding,
   end of period (in thousands) ................  $147,825    $217,135    $202,703     $142,450   $201,122     $219,362
Asset coverage++ ...............................  $  3,889    $  3,056    $  3,028     $  3,561   $  3,221     $  3,166
</TABLE>

- ---------------
   * Commencement of investment operations.
  ** NAV and market value  published in The Wall Street  Journal each Monday.  
   # Net asset  value  immediately  after  closing of first  public  offering  
     was $14.07.
 (a) The ratios of operating  expenses,  including interest expense,  to average
     net assets were 2.51%, 4.63%, 4.34%, 3.36%, 2.55% and 2.11% for the periods
     indicated above, respectively.
   + Total investment  return is calculated  assuming a purchase of common stock
     at the  current  market  price on the first  day and a sale at the  current
     market  price  on the  last  day of each  period  reported.  Dividends  and
     distributions  are  assumed,  for  purposes  of  this  calculation,  to  be
     reinvested at prices obtained under the Trust's dividend reinvestment plan.
     Total  investment  return does not  reflect  brokerage  commissions.  Total
     investment  returns  for  periods  of  less  than  one  full  year  are not
     annualized.
  ++ Per $1,000 of reverse repurchase agreement outstanding.
 +++ Annualized.
The information above represents the unaudited operating performance for a share
of common stock  outstanding,  total  investment  return,  ratios to average net
assets and other  supplemental  data,  for each of the periods  indicated.  This
information has been determined based upon financial information provided in the
financial statements and market value data for the Trust's shares.





                       See Notes to Financial Statements.

                                       10

<PAGE>
- --------------------------------------------------------------------------------
THE BLACKROCK NORTH AMERICAN
GOVERNMENT INCOME TRUST INC.
NOTES TO FINANCIAL STATEMENTS (UNAUDITED)
- --------------------------------------------------------------------------------

NOTE 1. ACCOUNTING          The BlackRock North American Government Income Trust
POLICIES                    Inc.,  (the "Trust"),  a  Maryland  corporation,  is
                            a     non-diversified,     closed-end     management
investment  company.  The  investment  objective of the Trust is to achieve high
monthly income consistent with  preservation of capital.  The ability of issuers
of debt securities  held by the Trust to meet their  obligations may be affected
by economic developments in a specific country, 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.

BASIS OF  PRESENTATION:  The  financial  statements of the Trust are prepared in
accordance with United States generally accepted accounting principles using the
United States dollar as both the functional and reporting currency.

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

   Short-term securities which mature in 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 was 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.

   In  connection  with  transactions  in  repurchase  agreements,  the  Trust's
custodian takes possession of the underlying collateral securities, the value of
which at least  equals  the  principal  amount  of the  repurchase  transaction,
including  accrued  interest.  To the  extent  that any  repurchase  transaction
exceeds one business day, the value of the collateral is  marked-to-market  on a
daily basis to ensure the adequacy of the collateral. If the seller defaults and
the value of the collateral declines or if bankruptcy  proceedings are commenced
with respect to the seller of the security, realization of the collateral by the
Trust may be delayed or limited.

OPTION  SELLING/PURCHASING:  When the Trust  sells or  purchases  an option,  an
amount  equal to the  premium  received  or paid by the Trust is  recorded  as a
liability or an asset and is  subsequently  adjusted to the current market value
of the option  written or purchased.  Premiums  received or paid from writing or
purchasing  options  which  expire  unexercised  are treated by the Trust on the
expiration date as realized gains or losses.  The difference between the premium
and the  amount  paid or  received  on  effecting  a  closing  purchase  or sale
transaction, including brokerage commissions, is also treated as a realized gain
or loss. If an option is exercised, the premium paid or received is added to the
proceeds from the sale or cost of the purchase in determining  whether the Trust
has realized a gain or a loss on investment  transactions.  The Trust, as writer
of an option, may have no control over whether the underlying  securities may be
sold  (call) or  purchased  (put) and as a result  bears the  market  risk of an
unfavorable change in the price of the security underlying the written option.

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

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

                                       11
<PAGE>

price at any time or at a specified time during the option  period.  Put options
can be purchased to  effectively  hedge a position or a portfolio  against price
declines  if a  portfolio  is  long.  In the same  sense,  call  options  can be
purchased to hedge a portfolio that is shorter than its benchmark  against price
changes. The Trust can also sell (or write) covered call options and put options
to hedge portfolio positions.

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

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

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

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

FORWARD CURRENCY  CONTRACTS:  The Trust enters into forward  currency  contracts
primarily to facilitate settlement of purchases and sales of foreign securities.
A forward  contract is a commitment to purchase or sell a foreign  currency at a
future date (usually the security  transaction  settlement date) at a negotiated
forward  rate.  In the event that a security  fails to settle  within the normal
settlement  period, the forward currency contract is renegotiated at a new rate.
The gain or loss arising from the difference between the settlement value of the
original and renegotiated  forward  contracts is isolated and is included in net
realized losses from foreign currency transactions.  Risks may arise as a result
of the  potential  inability  of the  counterparties  to meet the terms of their
contract.

   Forward  currency  contracts,  when used by the  Trust,  help to  manage  the
overall exposure to the foreign currency backing many of the investments held by
the Trust (The Canadian dollar).  Forward currency contracts are not meant to be
used to eliminate all of the exposure to the Canadian dollar,  rather they allow
the Trust to limit its exposure to foreign  currency within a narrow band to the
objectives of the Trust.

FOREIGN CURRENCY TRANSLATION: Canadian dollar ("C$") amounts are translated into
United States dollars on the following basis:

     (i) market value of investment securities, other assets and liabilities--at
     the New York City noon rates of exchange.

     (ii) purchases and sales of investment securities,  income and expenses--at
     the  rates  of  exchange   prevailing  on   the  respective  dates  of such
     transactions.

   The Trust  isolates  that portion of the results of  operations  arising as a
result of changes in the foreign  exchange rates from the  fluctuations  arising
from changes in the market prices of securities held at year end. Similarly, the
Trust  isolates  the  effect of  changes  in  foreign  exchange  rates  from the
fluctuations  arising from changes in the market prices of portfolio  securities
sold during the period.

   Net realized and unrealized  foreign  exchange losses of $17,342,334  include
realized  foreign  exchange  gains  and  losses  from  sales and  maturities  of
portfolio  securities,  maturities of reverse  repurchase  agreements,  sales of
foreign  currencies,  currency  gains or losses  realized  between the trade and
settlement dates on securities transactions,  the difference between the amounts
of  interest  and  discount  recorded  on the  Trust's  books  and the US dollar
equivalent  amounts actually received or paid and changes in unrealized  foreign
exchange gains and losses in the value of portfolio  securities and other assets
and liabilities arising as a result of changes in the exchange rate.

                                       12
<PAGE>

   Foreign security and currency transactions may involve certain considerations
and risks not  typically  associated  with those of domestic  origin,  including
unanticipated movements in the value of the Canadian dollar relative to the U.S.
dollar.
   The exchange rate for the Canadian  dollar at April 30, 1997 was US$0.7157 to
C$1.00.

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

SECURITY  LENDING:  The Trust may lend its  portfolio  securities  to  qualified
institutions.  The loans are secured by least equal, at all times, to the market
value of the securities loaned. The Trust may bear the risk of delay in recovery
of, or even loss of rights in, the securities  loaned should the borrower of the
securities fail  financially.  The Trust receives  compensation  for lending its
securities  in the form of interest  on the loan.  The Trust also  continues  to
receive  interest on the securities  loaned,  and any gain or loss in the market
price of the  securities  loaned that may occur during the term of the loan will
be for the account of the Trust.  

INTEREST  RATE  SWAPS:  In a simple  interest  rate swap,  one  investor  pays a
floating  rate of interest on a notional  principal  amount and receives a fixed
rate of interest on the same notional principal amount for a specified period of
time.  Alternatively,  an  investor  may pay a fixed rate and receive a floating
rate.  Rate swaps were conceived as  asset/liability  management  tools. In more
complex  swaps,  the notional  principal  amount may decline (or amortize)  over
time.  Mortgage  swaps  combine the  fixed/floating  concept with an  amortizing
feature  that is indexed to  mortgage  securities.  Scheduled  amortization  and
prepayments  on the index pools reduce the notional  amount.  

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

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

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

   Interest  rate caps are  intended to both manage the  duration of the Trust's
portfolio and its exposure to changes in short term rates.  Owning interest rate
caps reduces the  portfolio's  duration,  making it less sensitive to changes in
interest rates from a market value  perspective.  The effect on income  involves
protection from rising short term rates,  which the Trust experiences  primarily
in the form of leverage.
   The Trust is exposed to credit  loss in the event of  non-performance  by the
other party to the interest  rate cap.  However,  the Trust does not  anticipate
non-performance by any counterparty.

SWAP  OPTIONS:  Swap  options are similar to options on  securities  except that
instead of  purchasing  the right to buy a security,  the  purchaser of the swap
option has the right to enter into a previously  agreed upon  interest rate swap
agreement at any time before the expiration of the option.  Premiums received or
paid from writing or purchasing  options which expire unexercised are treated by
the Trust on the  expiration  date as realized  gains or losses.  The difference
between the  premium  and the amount  paid or  received  on  effecting a closing
purchase or sale transaction,  including brokerage commissions,  is also treated
as a realized  gain or loss.  If an option is  exercised,  the  premium  paid or
received  is added to the  proceeds  from  the sale or cost of the  purchase  in
determining  whether  the  Trust  has  realized  a gain or a loss on  investment
transactions.  The Trust,  as writer of an option,  bears the market  risk of an
unfavorable  change in the value of the swap  contract  underlying  the  written
option.  Interest  rate swap options may be used as part of an income  producing
strategy  reflecting  the view of the Trust's  management  on the  direction  of
interest rates.

SECURITIES   TRANSACTIONS  AND  INVESTMENT  INCOME:  Security  transactions  are
recorded  on the trade  date.  Realized  and  unrealized  gains and  losses  are
calculated  on the  identified  cost basis.  Interest  income is recorded on the
accrual  basis,  and  the  Trust  accretes  discount  or  amortizes  premium  on
securities  purchased using the interest method.  Dividend income is recorded on
the ex-dividend date.

TAXES:  For  Federal  income  tax  purposes,  substantially  all of the  Trust's
Canadian  transactions  are  accounted  for  using  the  Canadian  dollar as the
functional  currency.  Accordingly,  only  realized  currency  gains and  losses
resulting from the  repatriation of Canadian  dollars into United States dollars
are recognized for tax purposes.

   No provision  has been made for United  States income or excise taxes because
it is the  Trust's  policy to continue  to meet the  requirements  of the United
States Internal Revenue Code applicable to regulated investment companies and to
distribute   all  of  its  taxable   income  to   shareholders.   

                                       13

<PAGE>

DIVIDENDS  AND  DISTRIBUTIONS:   The  Trust  declares  and  pays  dividends  and
distributions  monthly from net investment income,  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.

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

RECLASSIFICATION  OF  CAPITAL  ACCOUNTS:  The  Trust  accounts  for and  reports
distributions  to  shareholders  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.  For the six months
ended April 30, 1997 the Trust decreased  undistributed net investment income by
$195,152  increased  accumulated  net realized losses on investments by $48,353,
and decreased accumulated net realized and unrealized foreign currency losses by
$243,505 for realized  foreign  currency  losses  incurred during the six months
ended April 30, 1997. Net investment  income,  net realized gains and net assets
were not affected by this change.

DEFERRED  ORGANIZATION  EXPENSES:  A total of $70,000 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.

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 business, and an Administration Agreement with Prudential Investments
Fund  Management  LLC  ("PIFM"),  an indirect,  wholly-owned  subsidiary of  The
Prudential  Insurance Co. of America.  

   The  investment  advisory  fee paid to the  Adviser  is  computed  weekly and
payable  monthly at an annual  rate of 0.60% of the Trust's  average  weekly net
assets.  The administration fee paid to PIFM is also computed weekly and payable
monthly at an annual  rate of 0.10% of the  Trust's  average  weekly net assets.

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

NOTE 3. PORTFOLIO             Purchases  and  sales  of  investment  securities,
SECURITIES AND                other  than  short-term  investments, for  the six
OTHER INVESTMENTS             months   ended    April   30,   1997    aggregated
$286,601,773  and  $381,352,785, respectively.

The  Trust  may  invest  without  limit  in  securities  which  are not  readily
marketable,  including  those  which  are  restricted  as to  disposition  under
securities law ("restricted securities") although the Trust does not expect that
such investments  willgenerally  exceed 5% of its portfolio assets. At April 30,
1997, the Trust did not hold securities restricted as to resale.

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

   The United  States  federal  income tax basis of the Trust's  investments  at
April 30, 1997 was $530,169,407,  and accordingly,  net unrealized  appreciation
for federal income tax purposes was $12,506,706 (gross unrealized  appreciation-
$18,795,290; gross unrealized depreciation-$6,288,584).

   For federal income tax purposes, the Trust had a capital loss carryforward as
of  October  31,  1996  of  approximately  $61,126,700  of  which  approximately
$7,191,000 will expire in 2000,  approximately  $11,408,000 will expire in 2001,
approximately  $32,751,000  will expire in 2002,  approximately  $5,519,200 will
expire in 2003 and approximately $4,257,500 will expire in 2004. Accordingly, no
capital  gains  distribution  is expected to be paid to  shareholders  until net
gains have been realized in excess of such amounts.

                                       14
<PAGE>

   Details of open financial futures contracts at April 30, 1997 are as follows:

                              VALUE AT      VALUE AT     UNREALIZED
NUMBER OF         EXPIRATION   TRADE       APRIL 30,   APPRECIATION/
CONTRACTS TYPE        DATE      DATE          1997     (DEPRECIATION)
- --------  ----    ---------- ---------     ---------   --------------
  Short positions:
 313     30 yr.
       U.S. T-Bond June '97  $ 34,146,967  $34,205,031  $ (58,064)
 112     10 Yr.
       U.S. T-Note June '97    11,856,636   11,980,500   (123,864)
  50   Eurodollar  June '97    11,775,988   11,758,750     17,238
  45   Eurodollar  Sept. '97   10,584,281   10,560,938     23,343
  45   Eurodollar  Dec. '97    10,563,514   10,533,375     30,139
  40   Eurodollar  Mar. '98     9,382,790    9,351,000     31,790
  40   Eurodollar  June '98     9,372,790    9,339,000     33,790
  35   Eurodollar  Sept. '98    8,193,520    8,163,750     29,770
  35   Eurodollar  Dec. '98     8,183,004    8,155,000     28,004
                             ------------ ------------   --------
                             $114,059,490 $114,047,344   $ 12,146
                             ============ ============   ========
  Long positions:
          5 yr.
  25   U.S. T-Note June  '97 $  2,669,644 $  2,632,031   $(37,613)
                             ============ ============   ========

Details of open forward currency contracts at April 30, 1997 are as follows:

                           VALUE AT      VALUE AT    UNREALIZED
SETTLEMENT   CONTRACT     SETTLEMENT     APRIL 30,  APPRECIATION/
   DATE     TO RECEIVE       DATE          1997    (DEPRECIATION)
 ---------  ----------    ----------   ----------- --------------
Purchase:
  5/21/97   C$91,000,000  $65,186,247  $65,236,577    $50,330
                          ===========  ===========    =======

   The Trust  entered into two interest  rate caps.  Under both  agreements  the
Trust  receives the excess,  if any, of a floating  rate over a fixed rate.  The
Trust paid a  transaction  fee for both  agreements.  Details of the caps are as
follows:

NOTIONAL                                                  VALUE AT
 AMOUNT     FLOATING      FIXED  SETTLEMENT  TERMINATION  APRIL 30,  TRANSACTION
 (000)        RATE        RATE     DATE        DATE          1997       FEE
- --------  -----------     ----- -----------  -----------  ---------  -----------
$25,000    3 month LIBOR  6.00%   2/19/97     2/19/02    $1,045,902  $  806,000
$50,000    3 month LIBOR  7.00%   4/18/98     4/18/03    $1,601,468  $1,730,000

   The Trust  entered into a forward swap with a notional  amount of  $7,727,000
which settles on June 13, 2001.  Under the  agreement,  the Trust will receive a
fixed rate of 7.235% and will pay a floating rate.  The swap  terminates on June
15, 2011 and at April 30, 1997 had unrealized depreciation of $92,157.

NOTE 4. BORROWINGS          REVERSE REPURCHASE AGREEMENTS: The Trust enters into
                            reverse repurchase agreements  with qualified, third
                            party broker-dealers as determined by and under  the
direction of the Trust's  Board of  Directors.  Interest on the value of reverse
repurchase  agreements  issued and outstanding is based upon competitive  market
rates at the time of  issuance.  At the time the  Trust  enters  into a  reverse
repurchase agreement, it establishes and maintains a segregated account with the
lender  containing liquid high grade securities having a value not less than the
repurchase  price,   including  accrued  interest,  of  the  reverse  repurchase
agreement. 
 
   The average  monthly balance of United States reverse  repurchase  agreements
outstanding  during  the six  months  ended  April  30,  1997 was  approximately
$14,607,000 at a weighted average interest rate of  approximately  5.56%.  Also,
the  average  monthly  balance  of  Canadian   reverse   repurchase   agreements
outstanding  during  the six  months  ended  April 30,  1997  was  approximately
C$216,461,000,  at a weighted average interest rate of approximately  3.13%. The
maximum amount of United States reverse repurchase agreements outstanding at any
month-end  during the period was $32,044,313 as of February 28, 1997,  which was
5.3% of  total  assets.  The  maximum  amount  of  Canadian  reverse  repurchase
agreements  outstanding  at any month-end  during the period was  approximately,
C$347,377,101  as of March 31,  1997,  which was 31.5% of total  assets.  

DOLLAR  ROLLS:  The Trust may enter into  dollar  rolls in which the Trust sells
securities  for delivery in the current  month and  simultaneously  contracts to
repurchase  substantially similar (same type, coupon and maturity) securities on
a specified future date.  During the roll period the Trust forgoes principal and
interest paid on the securities. The Trust is compensated by the interest earned
on the cash  proceeds of the initial sale and by the lower  repurchase  price at
the future date. 

   The average monthly balance of dollar rolls outstanding during the six months
ended April 30, 1997 was approximately $2,626,313.  The maximum amount of dollar
rolls  outstanding at any month-end during the period was $2,646,000 as of April
30, 1997,  which was .4% of total assets. 

NOTE 5. CAPITAL         There are 200 million shares of $.01  par  value  common
                        stock    authorized.    Of   the    36,207,093    shares
                        outstanding  at October 31,  1996,  the  Adviser  owned
                        7,093  shares.  

NOTE 6. DISTRIBUTIONS   Subsequent to April 30, 1997, the Board of  Directors of
                        the Trust declared dividends from undistributed earnings
                        of $0.07 per share payable May 30, 1997 to  shareholders
                        of record on May 15, 1997.

                                       15
<PAGE>




- --------------------------------------------------------------------------------
               THE BLACKROCK NORTH AMERICAN GOVERNMENT TRUST INC.
                           DIVIDEND REINVESTMENT PLAN
- --------------------------------------------------------------------------------

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

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

      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 income tax 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 or BlackRock FinancialManagement at
(800) 227-7BFM. The addresses are on the front of this report.

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

      There have been no material changes in the Trust's  investment  objectives
or policies that have not been approved by the shareholders or to its charter or
by-laws or in the  principal  risk factors  associated  with  investment  in the
Trust.  There have been no changes in the persons who are primarily  responsible
for the day-to-day management of the Trust's portfolio.
      The Annual Meeting of Trust  Shareholders  was held April 15, 1997 to vote
      on the following matters: 
      (1)To elect three Directors as follows:
         DIRECTOR                       CLASS             TERM          EXPIRING
         -------                        -----             -----         --------
         Frank J.Fabozzi .............    II              3 years         2000
         Ralph L.Schlosstein .........    II              3 years         2000
         Walter F. Mondale ...........    II              3 years         2000

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

      (2)To ratify the selection of Deloitte & Touche LLP as independent  public
         accountants  of the Trust for the fiscal year ending  October 31, 1997.

         Shareholders  elected the three Directors and ratified the selection of
         Deloitte & Touche LLP. The results of the voting was as follows:
<TABLE>
<CAPTION>
                                            VOTES FOR  VOTES AGAINST ABSTENTIONS
                                           ----------  ------------- -----------
<S>                                        <C>            <C>        <C>    
         Frank J. Fabozzi ................ 23,695,193         0       530,747
         Ralph L.Schlosstein ............. 23,696,252         0       529,688
         Walter F. Mondale ............... 23,656,603         0       569,338
         Ratification of Deloitte & 
           Touche LLP .................... 23,697,218     322,326     206,376
</TABLE>

  

                                     16
<PAGE>

- --------------------------------------------------------------------------------
            THE BLACKROCK NORTH AMERICAN GOVERNMENT INCOME TRUST INC.
                               INVESTMENT SUMMARY
- --------------------------------------------------------------------------------

THE TRUST'S INVESTMENT OBJECTIVE
The  Trust's  investment  objective  is to  manage  a  portfolio  of high  grade
securities  to achieve high  monthly  income  consistent  with  preservation  of
capital.  The Trust will seek to achieve its  objective by investing in Canadian
and U.S. dollar-denominated securities.

WHO MANAGES THE TRUST?
BlackRock Financial Management, Inc. ("BlackRock") is the investment adviser for
the Trust.  BlackRock is a registered  investment adviser  specializing in fixed
income  securities.  Currently,  BlackRock  manages  over $48  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 separate  accounts for more than 100 clients in the U.S. and
overseas.  BlackRock is a subsidiary  of PNC Asset  Management  Group which is a
division of PNC Bank, one of the nation's largest banking organizations.

WHAT CAN THE TRUST INVEST IN?
The Trust will  invest  primarily  in  securities  issued or  guaranteed  by the
federal   governments  of  Canada  and  the  United  States,   their   political
subdivisions  (which  include the  Canadian  provinces)  and their  agencies and
instrumentalities.  The Trust's investments will be either government securities
or  securities  rated  "BBB" or higher at the time of  investment  by Standard &
Poor's or "A2" by Moody's,  or securities which BlackRock deems as of comparable
quality. Under current market conditions,  it is expected that the percentage of
the Trust's assets  invested in Canadian  dollar-denominated  securities will be
between  65% and 75%.  Examples  of types of  securities  in which the Trust may
invest include  Canadian and U.S.  government or government  agency  residential
mortgage-backed   securities,   privately  issued  mortgage-backed   securities,
Canadian  provincial debt securities,  U.S.  Government  securities,  commercial
mortgage-backed  securities,  asset-backed  securities and other debt securities
issued by Canadian  and U.S.  corporations  and other  entities.  Under  current
market conditions,  BlackRock expects that the primary  investments of the Trust
to be Canadian mortgage-backed securities,  Canadian provincial debt securities,
U.S. government securities,  securities backed by U.S. government agencies (such
as residential  mortgage-backed  securities),  privately issued  mortgage-backed
securities  and  commercial  mortgage-backed  securities.  

WHAT IS THE  ADVISER'S  INVESTMENT  STRATEGY?  
The Adviser will seek to meet the Trust's  investment  objective by managing the
asset of the Trust so as to provide  high  monthly  income  consistent  with the
preservation  of capital.  The Trust will seek to provide monthly income that is
greater  than  that  which  could be  obtained  by  investing  in U.S.  Treasury
securities  with an average  life  similar  to that of the  Trust's  assets.  In
seeking the investment objective,  BlackRock actively manages the Trust's assets
in relation to market  conditions and changes in general economic  conditions in
Canada and the U.S., including its expectations  regarding interest rate changes
and changes in currency  exchange rates between the U.S. dollar and the Canadian
dollar,  to attempt to take advantage of favorable  investment  opportunities in
each country.  As such, the allocation between Canadian and U.S. securities will
change from time to time. Under current market  conditions,  the average life of
the Trust's  assets is expected to be in the range of seven to ten years.  Under
other  market  conditions,  the  Trust's  average  life  may vary and may not be
predictable  using any formula.  

While the Adviser has the opportunity to hedge against currency risks associated
with  Canadian  securities,  the Trust is  intended  to provide  exposure to the
Canadian marketplace. As a result,  historically,  currency hedging has not been
widely practiced by the Trust. However, BlackRock will attempt to limit interest
rate risk by  constantly  monitoring  the  duration (or price  sensitivity  with
respect to changes in interest rates) of the Trust's assets so that it is within
the range of U.S. Treasury  securities with average lives of seven to ten years.
In doing  so,  the  Adviser  will  attempt  to  locate  securities  with  better
predictability of cash flows such as U.S. commercial mortgage-backed securities.
In addition, the Canadian mortgage-backed  securities in which the Trust invests
are not  prepayable,  contributing  to the  predictability  of the Trust's  cash
flows.  Traditional  residential  U.S.  mortgage  pass-through  securities  make
interest  and  principal  payments  on a  monthly  basis  and can be a source of
attractive  levels  of  income  to the  Trust.  While  the U.S.  mortgage-backed
securities in the Trust are of high credit quality, they typically offer a yield
spread over  Treasuries due to the uncertainty of the timing of their cash flows
as they are  subject to  prepayment  exposure  when  interest  rates  change and
mortgage holders  refinance their mortgages or move. While U.S.  mortgage-backed
securities  do offer the  opportunity  for  attractive  yields,  they  subject a
portfolio  to  interest  rate  risk and  prepayment  exposure  which  result  in
reinvestment risk when prepaid principal must be reinvested. 

                                       17

<PAGE>

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

LEVERAGE CONSIDERATIONS IN THE TRUST
Under current  market  conditions,  leverage  increases the income earned by the
Trust.  The  Trust  employs  leverage  primarily  through  the  use  of  reverse
repurchase  agreements  and dollar rolls.  Leverage  permits the Trust to borrow
money at short-term  rates and reinvest that money in  longer-term  assets which
typically offer higher interest  rates.  The difference  between the cost of the
borrowed funds and the income earned on the proceeds that are invested in longer
term assets is the benefit to the Trust from leverage. In general, the portfolio
is typically  leveraged at approximately  331/3% of total assets.  

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

SPECIAL CONSIDERATIONS AND RISK FACTORS RELEVANT TO THE TRUST

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

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

DIVIDEND  CONSIDERATIONS.  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.

CURRENCY  EXCHANGE RATE  CONSIDERATIONS.  Because the Trust's net asset value is
expressed in U.S. dollars, and the Trust invests a substantial percentage of its
assets in Canadian  dollar-denominated  assets,  any change in the exchange rate
between these two  currencies  will have an effect on the net asset value of the
Trust. As a result, if the U.S. dollar appreciates  against the Canadian dollar,
the Trust's net asset value would decrease if not offset by other gains.

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

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

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

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

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

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

  
                                     18
<PAGE>

- --------------------------------------------------------------------------------
            THE BLACKROCK NORTH AMERICAN GOVERNMENT INCOME TRUST INC.
                                    GLOSSARY

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

ADJUSTABLE RATE MORTGAGE-BACKED
SECURITIES (ARMS):                

Mortgage  instruments with interest rates that adjust at periodic intervals at a
fixed amount over the market levels of interest  rates as reflected in specified
indexes. ARMS are backed by mortgage loans secured by real property.

ASSET-BACKED SECURITIES: 

Securities  backed by various types of receivables such as automobile and credit
card receivables.

CANADIAN MORTGAGE   SECURITIES:   

Canadian  Mortgage  instruments  which are  guaranteed by the Canadian  Mortgage
Housing Corporation (CMHC), a federal agency backed by the full faith and credit
of the Canadian Government.

CLOSED-END FUND: 

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

COLLATERALIZED
MORTGAGE OBLIGATIONS (CMOS):

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

DISCOUNT:

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

DIVIDEND: 

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

DIVIDEND REINVESTMENT:

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

FHA: 

Federal Housing Administration, a government agency that facilitates a secondary
mortgage  market by  providing  an agency  that  guarantees  timely  payment  of
interest and principal on mortgages.

FHLMC:

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

FNMA: 

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

GNMA:   

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

                                       19

<PAGE>

GOVERNMENT SECURITIES: 

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

INTEREST-ONLY SECURITIES    (I/O):     

Mortgage securities that receive only the interest cash flows from an underlying
pool of mortgage loans or underlying  pass-through  securities.  Also known as a
STRIP.

MARKET PRICE:

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

MORTGAGE DOLLAR ROLLS: 

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

MORTGAGE  PASS-THROUGHS:  

Mortgage-backed  securities  issued by Fannie  Mae,  Freddie  Mac or Ginnie Mae.

MULTIPLE-CLASS  PASS-THROUGHS:  

Collateralized  Mortgage Obligations.  

NET  ASSET  VALUE  (NAV):  

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

PRINCIPAL-ONLY SECURITIES  (P/O):

Mortgage  securities  that  receive  only  the  principal  cash  flows  from  an
underlying pool of mortgage loans or underlying  pass-through  securities.  Also
known as a STRIP.

PROJECT LOANS:                                

Mortgages for  multi-family,  low- to  middle-income  housing.  PREMIUM:  When a
fund's stock price is greater  than its net asset value,  the fund is said to be
trading at a premium.

RESIDUALS:                                   

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

REVERSE REPURCHASE AGREEMENTS: 

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

STRIPPED  MORTGAGE  BACKED  SECURITIES:  

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

                                       20

<PAGE>

- --------------------------------------------------------------------------------
                      BLACKROCK FINANCIAL MANAGEMENT, INC.
                           SUMMARY OF CLOSED-END FUNDS
- --------------------------------------------------------------------------------

TAXABLE TRUSTS
- --------------------------------------------------------------------------------
                                                                        MATURITY
PERPETUAL TRUSTS                                          STOCK SYMBOL    DATE
- ----------------                                          ------------  --------
The BlackRock Income Trust Inc.                                 BKT        N/A
The BlackRock North American Government Income 
   Trust Inc.                                                   BNA        N/A

TERM TRUSTS
The BlackRock 1998 Term Trust Inc.                              BBT       12/98
The BlackRock 1999 Term Trust Inc.                              BNN       12/99
The BlackRock Target Term Trust Inc.                            BTT       12/00
The BlackRock 2001 Term Trust Inc.                              BLK       06/01
The BlackRock Strategic Term Trust Inc.                         BGT       12/02
The BlackRock Investment Quality Term Trust Inc.                BQT       12/04
The BlackRock Advantage Term Trust Inc.                         BAT       12/05
The BlackRock Broad Investment Grade 2009 Term Trust Inc.       BCT       12/09

TAX-EXEMPT TRUSTS
- --------------------------------------------------------------------------------

                                                                        MATURITY
PERPETUAL TRUSTS                                          STOCK SYMBOL    DATE
- ----------------                                          ------------  --------
The BlackRock Investment Quality Municipal Trust Inc.           BKN        N/A
The BlackRock California Investment Quality Municipal 
   Trust Inc.                                                   RAA        N/A
The BlackRock Florida Investment Quality Municipal Trust        RFA        N/A
The BlackRock New Jersey Investment Quality Municipal 
   Trust Inc.                                                   RNJ        N/A
The BlackRock New York Investment Quality Municipal 
   Trust Inc.                                                   RNY        N/A


TERM TRUSTS
The BlackRock Municipal Target Term Trust Inc.                  BMN       12/06
The BlackRock Insured Municipal 2008 Term Trust Inc.            BRM       12/08
The BlackRock California Insured Municipal 2008 Term 
   Trust Inc.                                                   BFC       12/08
The BlackRock Florida Insured Municipal 2008 Term Trust         BRF       12/08
The BlackRock New York Insured Municipal 2008 Term Trust Inc.   BLN       12/08
The BlackRock Insured Municipal Term Trust Inc.                 BMT       12/10





      If you would like further information please do not hesitate to call
                           BlackRock at (800) 227-7BFM
                    or consult with your financial advisor.

                                       21
<PAGE>

- --------------------------------------------------------------------------------
                      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 $48 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 100  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

                                       22
<PAGE>


BLACKROCK

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

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

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

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

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

INDEPENDENT AUDITORS
Deloitte & Touche LLP
2 World Financial Center
New York, NY 10281

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

   The accompanying financial statements as of April 30, 1997 were not audited
               and accordingly, no opinion is expressed on them.
  This report is for shareholder information. This is not a prospectus intended
               for use in the purchase or sale of any securities.

                          THE BLACKROCK NORTH AMERICAN
                          GOVERNMENT INCOME TRUST INC.
                 c/o Prudential Investments Fund Management LLC
                              Gateway Center Three
                               100 Mulberry Street
                             Newark, N.J. 07102-4077
                                 (800) 227-7BFM



[RECYCLE LOGO] Printed on recycled paper                             092475-10-2
================================================================================
The BLACKROCK
North American
Government
Income Trust Inc.
================================================================================
Semi-Annual Report
April 30, 1997



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