MANAGED MUNICIPAL FUND INC
N-30D, 1997-06-23
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<TABLE>
<S> <C>
                                                          ===========================================
                      ISI              
                    Managed                                 ISI
                   Municipal     
                  Fund Shares                                 INTERNATIONAL STRATEGY & INVESTMENT
- ----------------------------------------------------------===========================================
Directors and Officers       

Edward S. Hyman            Nancy Lazar                 
Chairman                   Vice President              
                                                       
Richard T. Hale            Edward J. Veilleux          
Vice Chairman              Vice President              
                                                       
R. Alan Medaugh            Scott J. Liotta             
Director and President     Vice President and Secretary                        ISI
                                                                        MANAGED MUNICIPAL
James J. Cunnane           Carrie L. Butler                                FUND SHARES
Director                   Vice President              
                                                            (A Class of Managed Municipal Fund, Inc.)
John F. Kroeger            Joseph A. Finelli           
Director                   Treasurer                   
                                                       
Louis E. Levy              Laurie D. Collidge          
Director                   Assistant Secretary         
                           
Eugene J. McDonald
Director




        Investment Objective

        A mutual fund designed to provide a
        high  level  of total  return  with
        relative  stability of principal as
        well as the secondary  objective of
        high   current    income    through
        investment     in    a    portfolio
        consisting  primarily  of municipal
        obligations,  the interest on which
        is exempt from federal income tax.                                 MUNICIPALS
                                                                           ----------
============================================
        Investment Advisor
============================================                   
        ISI Inc.
        717 Fifth Avenue
        New York, NY 10022
        (800) 955-7175

============================================
        Shareholder Servicing Agent
============================================
        Investment Company Capital Corp.
        P.O. Box 419426
        Kansas City, MO 64141-6426
        (800) 882-8585

============================================
        Distributor                                           ----------------------------------
============================================                          SEMI-ANNUAL REPORT
        ISI Group Inc.
        717 Fifth Avenue                                                 April 30, 1997
        New York, NY 10022                                    ----------------------------------
        (800) 955-7175                                        




<PAGE>

================================================================================
Investment Advisor's Report
================================================================================

     We are pleased to report on the  progress of your Fund for the period ended
April 30, 1997.  As of this date,  the Fund  recorded a 6-month  total return of
1.2% and a 12-month  total return of 5.7%.  Since its  inception on February 26,
1990, the Fund has produced a cumulative total return of 59.6%, which translates
into  an  average  annual  total  return  of  6.7%.  These  figures  assume  the
reinvestment of dividends and capital gains distributions and exclude the impact
of any sales charge.

Overview

     Over the last 12 months, long-term,  high-quality municipal yields moved in
a fairly wide 70 basis point (0.70%) range, but interest rates opened and closed
the period at roughly the same yield (see chart below).


                =================================================
                 30-Year Municipal AAA General Obligation Yields
                =================================================


                  [Graph appears here--see plot points below]


                              DATE          YIELD

                            4/30/96          5.73
                             5/1/96          5.73
                             5/2/96          5.84
                             5/3/96          5.86
                             5/6/96          5.86
                             5/7/96          5.88
                             5/8/96          5.87
                             5/9/96          5.87
                            5/10/96          5.80
                            5/13/96          5.78
                            5/14/96          5.73
                            5/15/96          5.71
                            5/16/96          5.76
                            5/17/96          5.73
                            5/20/96          5.69
                            5/21/96          5.67
                            5/22/96          5.69
                            5/23/96          5.69
                            5/24/96          5.69
                            5/27/96          5.69
                            5/28/96          5.68
                            5/29/96          5.72
                            5/30/96          5.76
                            5/31/96          5.82
                             6/3/96          5.87
                             6/4/96          5.85
                             6/5/96          5.85
                             6/6/96          5.82
                             6/7/96          5.97
                            6/10/97          5.99
                            6/11/96          5.97
                            6/12/96          5.97
                            6/13/96          5.96
                            6/14/96          5.92
                            6/17/96          5.90
                            6/18/96          5.87
                            6/19/96          5.87
                            6/20/96          5.90
                            6/21/96          5.89
                            6/24/96          5.89
                            6/25/96          5.85
                            6/26/96          5.83
                            6/27/96          5.82
                            6/28/96          5.77
                             7/1/96          5.77
                             7/2/96          5.80
                             7/3/96          5.80
                             7/4/96          5.80
                             7/5/96          5.94
                             7/8/96          5.96
                             7/9/96          5.92
                            7/10/96          5.87
                            7/11/96          5.85
                            7/12/96          5.82
                            7/15/96          5.83
                            7/16/96          5.81
                            7/17/96          5.78
                            7/18/96          5.73
                            7/19/96          5.74
                            7/22/96          5.75
                            7/23/96          5.73
                            7/24/96          5.72
                            7/25/96          5.70
                            7/26/96          5.70
                            7/29/96          5.72
                            7/30/96          5.70
                            7/31/96          5.67
                             8/1/96          5.59
                             8/2/96          5.51
                             8/5/96          5.51
                             8/6/96          5.49
                             8/7/96          5.48
                             8/8/96          5.47
                             8/9/96          5.44
                            8/12/96          5.44
                            8/13/96          5.48
                            8/14/96          5.48
                            8/15/96          5.50
                            8/16/96          5.49
                            8/19/96          5.52
                            8/20/96          5.53
                            8/21/96          5.55
                            8/22/96          5.56
                            8/23/96          5.61
                            8/26/96          5.64
                            8/27/96          5.63
                            8/28/96          5.62
                            8/29/96          5.66
                            8/30/96          5.71
                             9/2/96          5.71
                             9/3/96          5.73
                             9/4/96          5.75
                             9/5/96          5.78
                             9/6/96          5.75
                             9/9/96          5.73
                            9/10/96          5.75
                            9/11/96          5.76
                            9/12/96          5.73
                            9/13/96          5.64
                            9/16/96          5.61
                            9/17/96          5.64
                            9/18/96          5.65
                            9/19/96          5.69
                            9/20/96          5.69
                            9/23/96          5.69
                            9/24/96          5.67
                            9/25/96          5.65
                            9/26/96          5.60
                            9/27/96          5.60
                            9/30/96          5.61
                            10/1/96          5.59
                            10/2/96          5.56
                            10/3/96          5.54
                            10/4/96          5.47
                            10/7/96          5.50
                            10/8/96          5.50
                            10/9/96          5.53
                           10/10/96          5.56
                           10/11/96          5.55
                           10/14/96          5.55
                           10/15/96          5.56
                           10/16/96          5.60
                           10/17/96          5.58
                           10/18/96          5.57
                           10/21/96          5.57
                           10/22/96          5.59
                           10/23/96          5.60
                           10/24/96          5.62
                           10/25/96          5.62
                           10/28/96          5.63
                           10/29/96          5.58
                           10/30/96          5.56
                           10/31/96          5.54
                            11/1/96          5.55
                            11/4/96          5.53
                            11/5/96          5.48
                            11/6/96          5.49
                            11/7/96          5.50
                            11/8/96          5.49
                           11/11/96          5.49
                           11/12/96          5.45
                           11/13/96          5.45
                           11/14/96          5.43
                           11/15/96          5.44
                           11/18/96          5.46
                           11/19/96          5.44
                           11/20/96          5.42
                           11/21/96          5.41
                           11/22/96          5.41
                           11/25/96          5.39
                           11/26/96          5.36
                           11/27/96          5.36
                           11/28/96          5.36
                           11/29/96          5.32
                            12/2/96          5.31
                            12/3/96          5.29
                            12/4/96          5.31
                            12/5/96          5.36
                            12/6/96          5.40
                            12/9/96          5.37
                           12/10/96          5.38
                           12/11/96          5.45
                           12/12/96          5.45
                           12/13/96          5.42
                           12/16/96          5.44
                           12/17/96          5.49
                           12/18/96          5.47
                           12/19/96          5.43
                           12/20/96          5.42
                           12/23/96          5.42
                           12/24/96          5.42
                           12/25/96          5.42
                           12/26/96          5.42
                           12/27/96          5.38
                           12/30/96          5.36
                           12/31/96          5.39
                             1/1/97          5.39
                             1/2/97          5.45
                             1/3/97          5.44
                             1/6/97          5.46
                             1/7/97          5.48
                             1/8/97          5.49
                             1/9/97          5.47
                            1/10/97          5.55
                            1/13/97          5.55
                            1/14/97          5.52
                            1/15/97          5.53
                            1/16/97          5.53
                            1/17/97          5.53
                            1/20/97          5.53
                            1/21/97          5.52
                            1/22/97          5.51
                            1/23/97          5.51
                            1/24/97          5.54
                            1/27/97          5.56
                            1/28/97          5.52
                            1/29/97          5.54
                            1/30/97          5.54
                            1/31/97          5.51
                             2/3/97          5.49
                             2/4/97          5.49
                             2/5/97          5.48
                             2/6/97          5.50
                             2/7/97          5.45
                            2/10/97          5.43
                            2/11/97          5.43
                            2/12/97          5.41
                            2/13/97          5.38
                            2/14/97          5.33
                            2/17/97          5.33
                            2/18/97          5.33
                            2/19/97          5.35
                            2/20/97          5.37
                            2/21/97          5.39
                            2/24/97          5.41
                            2/25/97          5.38
                            2/26/97          5.44
                            2/27/97          5.44
                            2/28/97          5.44
                             3/3/97          5.46
                             3/4/97          5.46
                             3/5/97          5.47
                             3/6/97          5.49
                             3/7/97          5.47
                            3/10/97          5.46
                            3/11/97          5.49
                            3/12/97          5.49
                            3/13/97          5.52
                            3/14/97          5.50
                            3/17/97          5.52
                            3/18/97          5.52
                            3/19/97          5.54
                            3/20/97          5.57
                            3/21/97          5.57
                            3/24/97          5.57
                            3/25/97          5.56
                            3/26/97          5.59
                            3/27/97          5.63
                            3/28/97          5.63
                            3/31/97          5.66
                             4/1/97          5.63
                             4/2/97          5.63
                             4/3/97          5.63
                             4/4/97          5.66
                             4/7/97          5.64
                             4/8/97          5.65
                             4/9/97          5.63
                            4/10/97          5.64
                            4/11/97          5.64
                            4/14/97          5.67
                            4/15/97          5.62
                            4/16/97          5.65
                            4/17/97          5.62
                            4/18/97          5.62
                            4/21/97          5.62
                            4/22/97          5.61
                            4/23/97          5.63
                            4/24/97          5.65
                            4/25/97          5.67
                            4/28/97          5.67
                            4/29/97          5.60
                            4/30/97          5.59

Source: Bloomberg, Inc.          

     The  volatility  this  year  had as  much  to do  with  national  politics,
specifically  the  outlook  for  major  tax  cuts,  as it did with the  economy,
inflation,  etc. We think rates will be heading lower over the next year, which,
given the  Fund's  maturity  orientation,  should  produce a  competitive  total
return.  Please see our  Economic  Outlook  that  follows  this  letter for more
details.  Municipals have retained their status as one of the few means by which
interest  income can be sheltered from federal taxes.  Municipal  bonds' taxable
equivalent  yield at current  levels of interest rates and taxes means they also
have good value.

Municipals Have Good Value

     The Fund had an average yield to maturity on its bond  investments of 5.39%
and an  average  maturity  of 14.4  years on April  30.  To gauge  the  relative
attractiveness  of this  asset  class  versus  the  taxable  bond  market  it is
necessary to use a tax rate. The top federal bracket is 39.6%,  and if that were
used  for the  analysis,  the  taxable  equivalent  yield  of a  5.39%  tax-free
municipal would be a taxable rate of 8.92%. At the same time,  Treasuries in the
15-year  maturity  range were yielding  6.95%.  This  comparison  indicates that
municipals have good underlying after-tax income appeal.

     The outlook for municipals also turns on political and supply analysis. The
political  environment since the 1996 election has emphasized budget compromises
that  provide some new tax breaks but little  danger of a change in  municipals'
basic status as the premier  interest income tax shelter.  The municipal  supply
picture  is also  favorable,  pointing  to less  municipal  new  issuance  going
forward.  State and local government  operating  budgets are solidly in surplus,
$37.4 billion as of year-end 1996, thereby capping new issue volume.

Portfolio Management

     The Fund  has  maintained  its high  credit  quality  orientation.  We have
continued  to reduce the  portfolio's  electric  power  issues as they  approach
credit  problems   surrounding  rate   deregulation.   Prerefunded  and  general
obligation  bonds have been increased  over the last year.  Please see the table
below that focuses on these sections of the portfolio.
                                                                      
================================================================================
                              Portfolio Structure
================================================================================
                             April 1997         April 1996            %
  Category                 % of Portfolio     % of Portfolio       Change
- --------------------------------------------------------------------------------
  Prerefunded and
   General Obligations          73.4%              69.1%           +4.3%
- --------------------------------------------------------------------------------
  Electric Power                 5.1%               7.6%           -2.5%

                                                                               1

<PAGE>


     The Fund's  high-quality  orientation did not lead to a better total return
over the last year. Credit quality yield spreads narrowed. For example,  20-year
BBB1-quality  general obligations had a 60 basis point (0.60%) yield advantage a
year ago but now the spread is close to 44 basis points (0.44%).  Please see the
chart below.

================================================================================
                            Historical Yield Spreads
                   (General Obligation BBB1 Yield--AAA Yield)
================================================================================


                  [Graph appears here--see plot points below]


                           DATE         YIELD SPREAD

                         4/30/96             60
                          5/1/96             60
                          5/2/96             60
                          5/3/96             59
                          5/6/96             58
                          5/7/96             58
                          5/8/96             58
                          5/9/96             57
                         5/10/96             57
                         5/13/96             57
                         5/14/96             57
                         5/15/96             56
                         5/16/96             55
                         5/17/96             55
                         5/20/96             55
                         5/21/96             55
                         5/22/96             56
                         5/23/96             56
                         5/24/96             55
                         5/27/96             n.a.
                         5/28/96             55
                         5/29/96             55
                         5/30/96             55
                         5/31/96             56
                          6/3/96             55
                          6/4/96             55
                          6/5/96             55
                          6/6/96             55
                          6/7/96             55
                         6/10/96             55
                         6/11/96             57
                         6/12/96             57
                         6/13/96             57
                         6/14/96             56
                         6/17/96             56
                         6/18/96             56
                         6/19/96             56
                         6/20/96             57
                         6/21/96             57
                         6/24/96             57
                         6/25/96             59
                         6/26/96             59
                         6/27/96             59
                         6/28/96             58
                          7/1/96             58
                          7/2/96             57
                          7/3/96             57
                          7/4/96             n.a.
                          7/5/96             59
                          7/8/96             58
                          7/9/96             59
                         7/10/96             58
                         7/11/96             58
                         7/12/96             58
                         7/15/96             57
                         7/16/96             57
                         7/17/96             57
                         7/18/96             57
                         7/19/96             57
                         7/22/96             57
                         7/23/96             58
                         7/24/96             59
                         7/25/96             59
                         7/26/96             59
                         7/29/96             60
                         7/30/96             60
                         7/31/96             61
                          8/1/96             61
                          8/2/96             62
                          8/5/96             62
                          8/6/96             63
                          8/7/96             62
                          8/8/96             62
                          8/9/96             62
                         8/12/96             n.a.
                         8/13/96             62
                         8/14/96             62
                         8/15/96             61
                         8/16/96             59
                         8/19/96             58
                         8/20/96             57
                         8/21/96             56
                         8/22/96             56
                         8/23/96             54
                         8/26/96             54
                         8/27/96             53
                         8/28/96             54
                         8/29/96             53
                         8/30/96             53
                          9/2/96             n.a.
                          9/3/96             54
                          9/4/96             53
                          9/5/96             52
                          9/6/96             51
                          9/9/96             51
                         9/10/96             51
                         9/11/96             51
                         9/12/96             51
                         9/13/96             53
                         9/16/96             53
                         9/17/96             53
                         9/18/96             54
                         9/19/96             54
                         9/20/96             54
                         9/23/96             54
                         9/24/96             54
                         9/25/96             54
                         9/26/96             55
                         9/27/96             55
                         9/30/96             56
                         10/1/96             56
                         10/2/96             57
                         10/3/96             58
                         10/4/96             57
                         10/7/96             56
                         10/8/96             56
                         10/9/96             55
                        10/10/96             56
                        10/11/96             55
                        10/14/96             55
                        10/15/96             54
                        10/16/96             53
                        10/17/96             52
                        10/18/96             52
                        10/21/96             53
                        10/22/96             53
                        10/23/96             53
                        10/24/96             53
                        10/25/96             52
                        10/28/96             51
                        10/29/96             49
                        10/30/96             49
                        10/31/96             50
                         11/1/96             50
                         11/4/96             50
                         11/5/96             52
                         11/6/96             52
                         11/7/96             53
                         11/8/96             54
                        11/11/96             54
                        11/12/96             55
                        11/13/96             57
                        11/14/96             57
                        11/15/96             57
                        11/18/96             56
                        11/19/96             56
                        11/20/96             56
                        11/21/96             55
                        11/22/96             55
                        11/25/96             55
                        11/26/96             55
                        11/27/96             55
                        11/28/96             n.a.
                        11/29/96             55
                         12/2/96             56
                         12/3/96             57
                         12/4/96             57
                         12/5/96             56
                         12/6/96             56
                         12/9/96             56
                        12/10/96             56
                        12/11/96             56
                        12/12/96             56
                        12/13/96             56
                        12/16/96             56
                        12/17/96             56
                        12/18/96             59
                        12/19/96             59
                        12/20/96             59
                        12/23/96             57
                        12/24/96             57
                        12/25/96             57
                        12/26/96             56
                        12/27/96             58
                        12/30/96             58
                        12/31/96             59
                          1/1/97             59
                          1/2/97             58
                          1/3/97             56
                          1/6/97             56
                          1/7/97             57
                          1/8/97             56
                          1/9/97             56
                         1/10/97             55
                         1/13/97             54
                         1/14/97             54
                         1/15/97             54
                         1/16/97             56
                         1/17/97             56
                         1/20/97             56
                         1/21/97             56
                         1/22/97             58
                         1/23/97             58
                         1/24/97             59
                         1/27/97             58
                         1/28/97             58
                         1/29/97             56
                         1/30/97             55
                         1/31/97             54
                          2/3/97             53
                          2/4/97             53
                          2/5/97             54
                          2/6/97             54
                          2/7/97             56
                         2/10/97             58
                         2/11/97             56
                         2/12/97             56
                         2/13/97             54
                         2/14/97             54
                         2/17/97             54
                         2/18/97             51
                         2/19/97             49
                         2/20/97             48
                         2/21/97             46
                         2/24/97             46
                         2/25/97             47
                         2/26/97             45
                         2/27/97             45
                         2/28/97             45
                          3/3/97             45
                          3/4/97             45
                          3/5/97             44
                          3/6/97             44
                          3/7/97             44
                         3/10/97             45
                         3/11/97             45
                         3/12/97             45
                         3/13/97             45
                         3/14/97             45
                         3/17/97             46
                         3/18/97             46
                         3/19/97             46
                         3/20/97             46
                         3/21/97             47
                         3/24/97             47
                         3/25/97             46
                         3/26/97             46
                         3/27/97             47
                         3/28/97             47
                         3/31/97             46
                          4/1/97             48
                          4/2/97             48
                          4/3/97             48
                          4/4/97             48
                          4/7/97             48
                          4/8/97             49
                          4/9/97             49
                         4/10/97             49
                         4/11/97             49
                         4/14/97             50
                         4/15/97             50
                         4/16/97             49
                         4/17/97             49
                         4/18/97             48
                         4/21/97             48
                         4/22/97             47
                         4/23/97             46
                         4/24/97             45
                         4/25/97             45
                         4/28/97             45
                         4/29/97             45
                         4/30/97             44
            
Source: Bloomberg, Inc.

     We think credit  quality will again be an important  component of municipal
total  return  when  economic  growth  slows,   which  typically  leads  to  the
reemergence of credit problems.

     We would like to welcome our new  investors to the Fund and thank those who
have been with us for some time. We appreciate your confidence.

Sincerely,

/s/ R. Alan Medaugh
- ----------------------
R. Alan Medaugh
President

May 19, 1997

================================================================================
                                       Economic Outlook
================================================================================

Overview

Evidence  of slower  second  quarter  growth  continues  to  mount,  highlighted
recently by declining auto sales,  sluggish  department store sales in April and
high  initial  unemployment  claims.  The March surge in  wholesale  inventories
suggests that rising first quarter nonfarm  inventories will pull down growth in
the second half of 1997 as excess inventories  decline.  We lean toward the view
that another 25 basis point (0.25%)  increase in short-term rates lies ahead. We
see it as an insurance  policy  against a tight labor  market and high  capacity
utilization sparking a return of inflation. Early in 1998 we expect the Fed will
be able to reverse the increase. Please see our forecast table below.

================================================================================
                                  ISI FORECAST
================================================================================
                     96:4Q     97:1Q     97:2Q*    97:3Q*    97:4Q*    98:1Q*
================================================================================
 Real GDP             3.8%      5.6%      2.5%      2.0%      1.5%      1.5%
- --------------------------------------------------------------------------------
 GDP Deflator**       1.5%      2.2%      1.5%      1.5%      1.5%      1.5%
- --------------------------------------------------------------------------------
 30-Year Bond
  Yields***           6.6%      7.1%      6.7%      6.5%      6.5%      6.2%
- --------------------------------------------------------------------------------
 Fed Funds
  Rate***             5.2%      5.5%      5.7%      5.7%      5.7%      5.5%


  *Estimated.
 **A more accurate cost of living barometer than the CPI.
***End of quarter.


Inflation

     The Greenspan Federal Reserve has presided over an economy producing strong
job formation but little inflation.  The inflation  performance has been a happy
surprise  for bond  investors.  So far,  strong  growth has not  produced  price
increases; for example, among manufacturing companies, the strong growth has not
given  them  pricing  power.  Please  see the chart on page 3 that  shows  ISI's
Manufacturing Company Pricing Power Index.

2

<PAGE>

================================================================================
Economic Outlook (continued)
===============================================================================

ISI MANUFACTURING COMPANIES
PRICING POWER SURVEY
0=Weak   100=Strong   May 9: 24.7


                  [Graph appears here--see plot points below]

                      
                            1/7/94                20.8     
                            1/14/94               20.8     
                            1/21/94               20.8     
                            1/28/94               21.4     
                            2/4/94                21.4     
                            2/11/94               16.7     
                            2/18/94               16.7     
                            2/25/94               16.7     
                            3/4/94                25.0     
                            3/11/94               25.0     
                            3/18/94               24.1     
                            3/25/94               24.1     
                            4/1/94                24.1     
                            4/8/94                20.8     
                            4/15/94               20.8     
                            4/22/94               20.8     
                            4/29/94               23.6     
                            5/6/94                23.6     
                            5/13/94               23.6     
                            5/20/94               27.8     
                            5/27/94               27.8     
                            6/3/94                32.5     
                            6/10/94               32.5     
                            6/17/94               33.9     
                            6/24/94               33.9     
                            7/1/94                33.9     
                            7/8/94                35.3     
                            7/15/94               35.3     
                            7/22/94               35.3     
                            7/29/94               35.3     
                            8/5/94                33.9     
                            8/12/94               33.9     
                            8/19/94               33.9     
                            8/26/94               43.6     
                            9/2/94                43.6     
                            9/9/94                45.8     
                            9/16/94               45.8     
                            9/23/94               52.8     
                            9/30/94               52.8     
                            10/7/94               52.8     
                            10/14/94              52.8     
                            10/21/94              54.4     
                            10/28/94              54.4     
                            11/4/94               56.9     
                            11/11/94              56.9     
                            11/18/94              57.5     
                            11/25/94              57.5     
                            12/2/94               57.8     
                            12/9/94               57.8     
                            12/16/94              58.9     
                            12/23/94              58.9     
                            12/30/94              60.6     
                            1/6/95                60.6     
                            1/13/95               60.8     
                            1/20/95               60.8     
                            1/27/95               61.4     
                            2/3/95                61.4     
                            2/10/95               56.9     
                            2/17/95               56.9     
                            2/24/95               56.9     
                            3/3/95                58.9     
                            3/10/95               58.9     
                            3/17/95               57.8     
                            3/24/95               57.8     
                            3/31/95               54.4     
                            4/7/95                54.4     
                            4/14/95               57.2     
                            4/21/95               57.2     
                            4/28/95               56.7     
                            5/5/95                56.7     
                            5/12/95               57.2     
                            5/19/95               57.2     
                            5/26/95               52.5     
                            6/2/95                52.5     
                            6/9/95                48.3     
                            6/16/95               48.3     
                            6/23/95               43.1     
                            6/30/95               43.1     
                            7/7/95                41.8     
                            7/14/95               41.8     
                            7/21/95               41.8     
                            7/28/95               41.8     
                            8/4/95                45.7     
                            8/11/95               45.7     
                            8/18/95               45.7     
                            8/25/95               45.7     
                            9/1/95                45.4     
                            9/8/95                45.4     
                            9/15/95               42.5     
                            9/22/95               42.5     
                            9/29/95               42.1     
                            10/6/95               42.1     
                            10/13/95              40.4     
                            10/20/95              40.4     
                            10/27/95              39.9     
                            11/3/95               39.9     
                            11/10/95              37.8     
                            11/17/95              37.8     
                            11/24/95              37.8     
                            12/1/95               37.8     
                            12/8/95               36.7     
                            12/15/95              36.7     
                            12/22/95              34.2     
                            12/29/95              34.2     
                            1/5/96                34.2     
                            1/12/96               34.2     
                            1/19/96               29.4     
                            1/26/96               29.4     
                            2/2/96                28.9     
                            2/9/96                28.9     
                            2/16/96               28.6     
                            2/23/96               28.6     
                            3/1/96                28.1     
                            3/8/96                28.1     
                            3/15/96               28.5     
                            3/22/96               28.5     
                            3/29/96               29.0     
                            4/5/96                29.0     
                            4/12/96               29.0     
                            4/19/96               29.0     
                            4/26/96               29.3     
                            5/3/96                29.3     
                            5/10/96               31.0     
                            5/17/96               31.0     
                            5/24/96               31.5     
                            5/31/96               31.5     
                            6/7/96                34.4     
                            6/14/96               34.4     
                            6/21/96               34.4     
                            6/28/96               34.4     
                            7/5/96                32.5     
                            7/12/96               32.5     
                            7/19/96               32.8     
                            7/26/96               32.8     
                            8/2/96                32.2     
                            8/9/96                32.2     
                            8/16/96               32.2     
                            8/23/96               32.2     
                            8/30/96               32.2     
                            9/6/96                32.2     
                            9/13/96               31.9     
                            9/20/96               31.9     
                            9/27/96               31.1     
                            10/4/96               31.1     
                            10/11/96              30.6     
                            10/18/96              30.6     
                            10/25/96              30.8     
                            11/1/96               30.8     
                            11/8/96               30.3     
                            11/15/96              30.3     
                            11/22/96              30.0     
                            11/29/96              30.0     
                            12/6/96               28.8     
                            12/13/96              28.8     
                            12/20/96              27.2     
                            12/27/96              27.2     
                            1/3/97                27.2     
                            1/10/97               27.2     
                            1/17/97               26.9     
                            1/24/97               26.9     
                            1/31/97               28.1     
                            2/7/97                28.1     
                            2/14/97               28.9     
                            2/21/97               28.9     
                            2/28/97               26.4     
                            3/7/97                26.4     
                            3/14/97               26.4     
                            3/21/97               26.4     
                            3/28/97               25.6     
                            4/4/97                25.6     
                            4/11/97               25.0     
                            4/18/97               25.0     
                            4/25/97               25.0     
                            5/2/97                25.0     
                            5/9/97                24.7     
                            5/16/97               24.7     
                            5/23/97                 NA     
                                                           
Source: ISI Inc.


     Other leading indicators of inflation have also registered little inflation
in the pipeline today.  The closely watched  Employment Cost Index for the first
quarter of 1997 showed  overall labor costs growing at only 2.9% year over year.
The Journal of Commerce Commodity Index,  which tracks raw industrial  commodity
prices,  hit a two-year low in early May. The Federal  Reserve "Beige Book" is a
survey-based analysis approach that covers all 12 Federal Reserve Districts. The
May release also found limited  inflation  for both prices and wages.  If growth
slows in the upcoming  quarter,  the low  inflation  picture  would prove a good
investing background for bonds.

Economic Growth

     Three areas are pointing to slower growth ahead. First,  interest rates for
long-term Treasuries are about 7% while 30-year mortgage rates are about 8%. The
relatively  higher  interest rates when contrasted to inflation have already cut
the pace of mortgage refinancing in half. Second, the slowdown pattern under way
now in consumer  installment debt growth has typically led to a significant drop
in retail sales.  As a gauge of the extent  consumers  are using credit,  credit
card  chargeoffs  just hit a  seven-year  high.  Third,  foreign  economies  are
struggling to retain modest growth.  ISI tracks economic  activity in 28 foreign
economies. We construct a Foreign (Strength - Weakness) diffusion index. After a
runup in late 1996,  foreign activity has returned to a negative reading (please
see chart below).


FOREIGN [STRENGTH-WEAKNESS]
13 Wk. Avg.   May 12: -0.1


                  [Graph appears here--see plot points below]



                           26 SEP 94            3.1          
                            3 OCT 94            3.8          
                           10 OCT 94            4.1          
                           17 OCT 94            4.8          
                           24 OCT 94            6.0          
                           31 OCT 94            5.6          
                            7 NOV 94            4.6          
                           14 NOV 94            5.2          
                           21 NOV 94            5.4          
                           28 NOV 94            5.8          
                            5 DEC 94            6.5          
                           12 DEC 94            7.1          
                           19 DEC 94            6.5          
                           26 DEC 94            6.5          
                            2 JAN 95            8.4          
                            9 JAN 95            7.8          
                           16 JAN 95            7.2          
                           23 JAN 95            6.0          
                           30 JAN 95            5.8          
                            6 FEB 95            6.4          
                           13 FEB 95            5.3          
                           20 FEB 95            5.8          
                           27 FEB 95            6.7          
                            6 MAR 95            7.2          
                           13 MAR 95            6.7          
                           20 MAR 95            7.4          
                           27 MAR 95            7.3          
                            3 APR 95            6.4          
                           10 APR 95            7.4          
                           17 APR 95            6.9          
                           24 APR 95            6.2          
                            1 MAY 95            6.2          
                            8 MAY 95            5.3          
                           15 MAY 95            5.6          
                           22 MAY 95            5.6          
                           29 MAY 95            4.1          
                            5 JUN 95            2.1          
                           12 JUN 95            1.3          
                           19 JUN 95            0.5          
                           26 JUN 95            1.1          
                            3 JUL 95            0.5          
                           10 JUL 95            0.3          
                           17 JUL 95            0.9          
                           24 JUL 95            0.4          
                           31 JUL 95           -0.6          
                            7 AUG 95           -1.2          
                           14 AUG 95           -1.0          
                           21 AUG 95           -2.8          
                           28 AUG 95           -2.7          
                            4 SEP 95           -3.1          
                           11 SEP 95           -2.5          
                           18 SEP 95           -2.5          
                           25 SEP 95           -3.6          
                            2 OCT 95           -3.8          
                            9 OCT 95           -4.8          
                           16 OCT 95           -5.2          
                           23 OCT 95           -5.2          
                           30 OCT 95           -5.4          
                            6 NOV 95           -3.9          
                           13 NOV 95           -4.8          
                           20 NOV 95           -4.9          
                           27 NOV 95           -4.8          
                            4 DEC 95           -4.5          
                           11 DEC 95           -4.4          
                           18 DEC 95           -4.5          
                           25 DEC 95           -5.0          
                            1 JAN 96           -4.8          
                            8 JAN 96           -4.5          
                           15 JAN 96           -5.0          
                           22 JAN 96           -5.8          
                           29 JAN 96           -5.2          
                            5 FEB 96           -5.4          
                           12 FEB 96           -5.9          
                           19 FEB 96           -4.5          
                           26 FEB 96           -4.0          
                            4 MAR 96           -3.6          
                           11 MAR 96           -4.5          
                           18 MAR 96           -5.4          
                           25 MAR 96           -4.7          
                            1 APR 96           -5.7          
                            8 APR 96           -6.4          
                           15 APR 96           -5.8          
                           22 APR 96           -5.3          
                           29 APR 96           -5.6          
                            6 MAY 96           -5.7          
                           13 MAY 96           -5.9          
                           20 MAY 96           -7.2          
                           27 MAY 96           -6.2          
                            3 JUN 96           -6.2          
                           10 JUN 96           -5.7          
                           17 JUN 96           -5.5          
                           24 JUN 96           -5.2          
                            1 JUL 96           -5.0          
                            8 JUL 96           -4.7          
                           15 JUL 96           -4.0          
                           22 JUL 96           -4.4          
                           29 JUL 96           -5.2          
                            5 AUG 96           -6.2          
                           12 AUG 96           -5.7          
                           19 AUG 96           -5.2          
                           26 AUG 96           -5.1          
                            2 SEP 96           -4.6          
                            9 SEP 96           -2.8          
                           16 SEP 96           -2.7          
                           23 SEP 96           -2.4          
                           30 SEP 96           -1.7          
                            7 OCT 96           -0.5          
                           14 OCT 96           -1.3          
                           21 OCT 96           -0.5          
                           28 OCT 96            0.7          
                            4 NOV 96            2.4          
                           11 NOV 96            2.5          
                           18 NOV 96            3.8          
                           25 NOV 96            5.2          
                            2 DEC 96            6.3          
                            9 DEC 96            5.4          
                           16 DEC 96            6.2          
                           23 DEC 96            5.3          
                           30 DEC 96            5.8          
                            6 JAN 97            5.1          
                           13 JAN 97            4.6          
                           20 JAN 97            4.5          
                           27 JAN 97            4.5          
                            3 FEB 97            4.0          
                           10 FEB 97            4.8          
                           17 FEB 97            4.1          
                           24 FEB 97            1.8          
                            3 MAR 97            1.8          
                           10 MAR 97            1.0          
                           17 MAR 97            2.0          
                           24 MAR 97            3.3          
                           31 MAR 97            2.7          
                            7 APR 97            2.7          
                           14 APR 97            2.6          
                           21 APR 97            2.2          
                           28 APR 97            1.5          
                            5 MAY 97            0.5          
                           12 MAY 97           -0.1          
                           19 MAY 97           -0.7          
                           26 MAY 97             NA          
                                                             
Source: ISI Inc.

                                                                               3

<PAGE>

================================================================================
Economic Outlook (concluded)
================================================================================

     With foreign economies struggling to hold on to modest growth, U.S. exports
seem unlikely to stimulate near-term economic growth.  There are factors working
to improve  the U.S.  economy,  such as high  equity  prices  and high  consumer
confidence,  but we expect the forces cited earlier will rule,  producing slower
growth over the balance of 1997.

The Impact of Smaller Budget Deficits

     A decline in the  federal  government  deficit is a powerful  influence  on
economic  growth and  inflation  but it also  influences  the  capital  markets.
Smaller deficits free up capital for alternative investments.  The change in the
annual net financing  requirement has been very dramatic  (please see table, top
right).

================================================================================
                           Federal Government Deficit
================================================================================
                                          12-month Sum in Billions
                                  August 1992              September 1997*
- --------------------------------------------------------------------------------
Treasury Interest Paid               $200                       $250
- --------------------------------------------------------------------------------
Treasury Issuance                    $324                       $ 70
                                     ----                       ----
- --------------------------------------------------------------------------------
Net Financing
  Requirement                       +$124                      -$180

*Estimated


     We see low  inflation  and dwindling  Treasury  issuance as strong  secular
forces able to create a declining interest rate environment. They will be active
near-term market influences when the economy is seen slowing.
                                                                     
4

<PAGE>

================================================================================
Portfolio Diversification by State
================================================================================

                    [Map of the United States appears here]


     =======================================================================
                                State Allocation
     =======================================================================
                               % of                                % of   
                             Municipal                           Municipal
                               Bonds                               Bonds  
                             ---------                           ---------                                                       
        Florida                17.9%       Minnesota                3.2%                       
        Texas                  15.2        Mississippi              2.6      
        Virginia                8.4        Ohio                     2.3 
        Maryland                7.6        Delaware                 1.9
        North Carolina          6.9        Utah                     1.8
        South Carolina          4.9        Colorado                 1.8
        Illinois                4.6        Hawaii                   1.7
        Tennessee               4.3        Indiana                  1.4
        Kansas                  4.1        Washington               1.4
        Arizona                 3.4        Oregon                   1.4
        Georgia                 3.2                              =========         
                                             Total                100.0%

                                                                               5

<PAGE>

================================================================================
Additional Performance Information
================================================================================

        The  shareholder  letter  included in  this report  contains  statistics
   designed to help  you evaluate  the  performance  of your  Fund's  management.
   The Securities  and Exchange  Commission  (SEC) requires  that when we report
   such  figures,  we  also  include  the Fund's  total  return,  according to a
   standardized  formula, for various  time periods through  the end of the most
   recent calendar quarter.  The SEC  total return figures  differ from those we
   reported  because  the time  periods  may be  different  and because  the SEC
   calculation  includes the  impact of the  Fund's  currently  effective  4.45%
   maximum sales charge.

- --------------------------------------------------------------------------------
                           AVERAGE ANNUAL TOTAL RETURN*

                                                       % Return with
   Periods ended 3/31/97:                               Sales Charge
- --------------------------------------------------------------------------------
   One Year                                                -0.25%
- --------------------------------------------------------------------------------
   Five Years                                               5.18%
- --------------------------------------------------------------------------------
   Since Inception (2/26/90)                                6.00%
- --------------------------------------------------------------------------------

        
        These total  returns  correspond  to  those  experienced  by  individual
   shareholders  only if  their shares were  purchased on  the first day of each
   time period and the maximum sales charge was paid.

        Any performance figures shown  are for the full period  indicated. Since
   investment  return and principal value will fluctuate,  an  investor's shares
   may be worth  more  or less than their  original  cost  when  redeemed.  Past
   performance is not an indication of future results.


- --------------------------------------------------------------------------------
      This report is prepared for the general information of shareholders.  It
 is authorized for distribution to prospective investors only when preceded or
 accompanied by an effective prospectus.

      For more complete information regarding any of the ISI Funds,  including
 charges and expenses, obtain a prospectus from your investment representative
 or directly  from the Fund at  1-800-955-7175.  Read it carefully  before you
 invest.
- --------------------------------------------------------------------------------

6

<PAGE>

================================================================================
Managed Municipal Fund, Inc.
================================================================================
Statement of Net Assets
April 30, 1997
(Unaudited)

</TABLE>
<TABLE>
<CAPTION>
                                                                   Rating*                Market
                                                                  (Moody's/     Par        Value
Issuer                                                              S&P)       (000)     (Note A)
- ---------------------------------------------------------------------------------------------------------------------------
<S> <C>  
MUNICIPAL BONDS--92.7%
General Obligation--61.1%
Arlington, Texas, Independent School District, 5.75%, 2021        Aaa/NR      $5,000    $ 4,954,700
Charlotte,  NC:
   5.30%, 2011                                                    Aaa/AAA      1,590      1,585,278
   5.30%, 2012                                                    Aaa/AAA      1,120      1,111,062
   5.30%, 2012                                                    Aaa/AAA      2,325      2,306,447
   5.80%, 2016                                                    Aaa/AAA      2,500      2,576,825
Chicago, IL, 6.30%, 2009                                          Aa/AA        1,000      1,078,940
Dallas, TX, 5.00%, 2010                                           Aaa/AAA      1,750      1,692,075
Delaware State, Series "A", 5.125%, 2016                          Aa1/AA+      2,150      2,029,278
DuPage County, IL, Jail Project, 5.60%, 2021                      Aaa/AAA      1,600      1,567,008
Florida Board of Education, Refunding Public Education:
   6.125%, 2012                                                   Aa2/AA+      2,250      2,337,075
   5.50%, 2021                                                    Aa2/AA+      2,000      1,915,040
   5.125%, 2022                                                   Aa2/AA+      5,000      4,532,050
Franklin County, OH:
   5.45%, 2009                                                    Aaa/AAA      1,500      1,519,410
   5.50%, 2013                                                    Aaa/AAA      1,000        993,500
Georgia State, Series "D":
   5.00%, 2010                                                    Aaa/AA+      2,000      1,945,080
   5.25%, 2009                                                    Aaa/AA+      1,580      1,588,390
Grand Prairie, TX, School District, 5.20%, 2018                   Aaa/AAA      2,000      1,865,080
Henrico County, VA:
   5.20%, 2008                                                    Aaa/AAA      1,200      1,205,496
   5.25%, 2009                                                    Aaa/AAA      1,000      1,002,430
Maryland State & Local Facilities, Second Series, 5.125%, 2010    Aaa/AAA      3,000      2,941,680
Minneapolis, MN, Sports Arena:
   5.00%, 2011                                                    Aaa/AAA      1,710      1,635,393
   5.00%, 2012                                                    Aaa/AAA      1,920      1,822,886
Mississippi State, 5.25%, 2014                                    Aa3/AA       3,000      2,886,570
Montgomery County, MD:
   5.60%, 2004                                                    Aaa/AAA      1,000      1,041,200
   5.00%, 2009                                                    Aaa/AAA      1,500      1,468,710
Plano, TX, Independent School District, 5.00%, 2011               Aaa/AAA      3,000      2,836,650
Portland, OR, Metro, 5.25%, 2007                                  Aa/AA+       1,500      1,506,930
Salt Lake County, UT, 5.25%, 2010                                 Aaa/AA+      2,000      1,988,340
South Carolina Capital Improvement, 5.00%, 2009                   Aaa/AAA      2,700      2,652,534
South Carolina State Highway, Series "B", 5.625%, 2014            Aaa/AAA      2,700      2,723,166
</TABLE>

                                                                               7


<PAGE>

================================================================================
Managed Municipal Fund, Inc.
================================================================================
Statement of Net Assets (continued)
April 30, 1997
(Unaudited)
<TABLE>
<CAPTION>
                                                                   Rating*                Market
                                                                  (Moody's/     Par        Value
Issuer                                                              S&P)       (000)     (Note A)
- ---------------------------------------------------------------------------------------------------------------------------
<S> <C>  
General Obligation--concluded
State of  Tennessee:
   Series "A", 5.50%, 2009                                        Aaa/AA+     $1,535    $ 1,565,193
   Series "A", 5.55%, 2010                                        Aaa/AA+      1,000      1,014,500
   Series "B", 6.00%, 2005                                        Aaa/AA+      2,000      2,136,020
State of  Texas, 6.00%, 2014                                      Aa/AA        2,000      2,047,940
State of  Virginia, 5.375%, 2016                                  Aaa/AAA      2,500      2,451,650
Washington State, Series "A", 5.60%, 2010                         Aa2/AA       1,500      1,510,560
- ---------------------------------------------------------------------------------------------------------------------------
                                                                                         72,035,086
- ---------------------------------------------------------------------------------------------------------------------------
Electric and Gas Utility Revenue--5.1%
Jacksonville, FL, Electric Authority Revenue,
   St. John's River Power,  5.25%, 2028                           Aa1/AA       2,000      1,836,320
Orlando, FL, Utility Commission, 5.125%, 2019                     Aa1/AA       3,500      3,185,140
San Antonio, TX, Electric & Gas Revenue, Series "A",
   6.50%, 2012                                                    Aa1/AA       1,000      1,041,790
- ---------------------------------------------------------------------------------------------------------------------------
                                                                                          6,063,250
- ---------------------------------------------------------------------------------------------------------------------------
Prerefunded Issues--12.3%
Arizona Highway Transportation Board, 6.00%, 2010                 #AAA/AAA     3,480      3,652,051
Florida Board of Education, Refunding Public Education,
   6.50%, 2012                                                    #AAA/AA+     2,500      2,705,775
Howard County, MD, Consolidated Public Improvements,
   Series "A", 6.90%, 2002                                        #AAA/AAA     1,000      1,064,270
Jacksonville, FL, Electric Authority Revenue, Scherer 4-1-A,
   6.75%, 2021                                                    #AAA/AA      1,000      1,079,110
Lower Colorado River Authority,  Jr. Lien, 4th Supply,
   5.25%, 2015                                                    #AAA/AAA     2,000      1,937,200
State of Hawaii, General Obligation:
   7.00%, 2006                                                    Aaa/**         750        800,085
   6.125%, 2010                                                   NR/**        1,000      1,055,410
University of  Texas, 6.50%, 2011                                 #AAA/AAA     2,000      2,164,500
- ---------------------------------------------------------------------------------------------------------------------------
                                                                                         14,458,401
- ---------------------------------------------------------------------------------------------------------------------------
Transportation Revenue--9.4%
Florida Transportation Revenue, 5.80%, 2018                       Aa2/AA+      2,000      1,999,820
Kansas Transportation Revenue:
   5.40%, 2009                                                    Aa/AA        2,000      2,006,680
   5.40%, 2009                                                    Aa/AA        2,500      2,508,350
Virginia State Transportation Authority:
   5.00%, 2008                                                    Aa/AA        1,100      1,076,250
   5.125%, 2009                                                   Aa/AA        2,500      2,450,475
   6.00%, 2010                                                    Aa/AA        1,000      1,028,400
- ---------------------------------------------------------------------------------------------------------------------------
                                                                                         11,069,975
- ---------------------------------------------------------------------------------------------------------------------------

8

<PAGE>

================================================================================
Managed Municipal Fund, Inc.
================================================================================
Statement of Net Assets  (concluded)
April 30, 1997
(Unaudited)

</TABLE>
<TABLE>
<CAPTION>
                                                                   Rating*                Market
                                                                  (Moody's/     Par        Value
Issuer                                                              S&P)       (000)     (Note A)
- ---------------------------------------------------------------------------------------------------------------------------
<S> <C>  
Water and Sewer Utility Revenue--3.6%
DuPage, IL, Water Commission, 5.25%, 2011                         Aa1/AA      $2,500    $ 2,411,150
Washington Suburban Sanitary District, MD, 5.375%, 2010           Aa1/AA       1,810      1,784,027
- ---------------------------------------------------------------------------------------------------------------------------
                                                                                          4,195,177
- ---------------------------------------------------------------------------------------------------------------------------
Other Revenue--1.3%
Indianapolis Local Public Improvement Board, IN,
  6.00%, 2018                                                     Aaa/AA+      1,500      1,514,550
- ---------------------------------------------------------------------------------------------------------------------------
Total Municipal Bonds
   (Cost $108,842,182)                                                                  109,336,439
- ---------------------------------------------------------------------------------------------------------------------------
REPURCHASE AGREEMENT--6.0%
Goldman Sachs & Co., 5.25%
   Dated 4/30/97, to be repurchased on 5/1/97,
   collateralized by U.S. Treasury Notes with a
   market value of $7,191,200.
   (Cost $7,120,000)                                                           7,120      7,120,000
- ---------------------------------------------------------------------------------------------------------------------------
Total Investment in Securities--98.8%
   (Cost $115,962,182)***                                                               116,456,439

Other Assets in Excess of Liabilities, Net--1.2%                                          1,391,690
- ---------------------------------------------------------------------------------------------------------------------------
Net Assets--100.0%                                                                     $117,848,129
===========================================================================================================================
Net Asset Value and Redemption Price Per:
   ISI Class Share
   ($79,059,361 / 7,579,385 shares outstanding)                                              $10.43
                                                                                             ======
   Flag Investors Class A Share
   ($38,788,768 / 3,717,678 shares outstanding)                                              $10.43
                                                                                             ======
Maximum Offering Price Per:
   ISI Class Share
   ($10.43 / .9555)                                                                          $10.92
                                                                                             ======
   Flag Investors Class A Share
   ($10.43 / .955)                                                                           $10.92
                                                                                             ======
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

   * The Moody's or Standard & Poor's  ratings  indicated are believed to be the
     most recent ratings available as of April 30, 1997.
  ** Prerefunded bonds backed by U.S. Treasury Securities.  Absent prerefunding,
     this obligation is rated Aa3/A+.
 *** Also aggregate cost for federal tax purposes.
See Notes to Financial Statements.

                                                                               9



<PAGE>

================================================================================
Managed Municipal Fund, Inc.
================================================================================
Statement of Operations
For the Six Months Ended April 30, 1997
(Unaudited)


- --------------------------------------------------------------------------------
INVESTMENT INCOME (NOTE A):                                      
     Interest                                                    $3,265,505
- --------------------------------------------------------------------------------

EXPENSES:

     Investment advisory fee (Note B)                               241,980
     Distribution fee (Note B)                                      152,692
     Administration fees (Note B)                                   120,990
     Accounting fee (Note B)                                         28,911
     Transfer agent fees (Note B)                                    28,100
     Printing and postage                                            17,108
     Legal                                                           14,999
     Audit                                                           14,321
     Registration fees (Note A)                                      12,735
     Miscellaneous                                                   11,217
     Custodian fees                                                  10,594
     Directors' fees                                                  5,400
     Insurance                                                        2,386
- --------------------------------------------------------------------------------
       Total expenses                                               661,433
     Less: Fees waived (Note B)                                    (116,969)
- --------------------------------------------------------------------------------
       Net expenses                                                 544,464
- --------------------------------------------------------------------------------
     Net investment income                                        2,721,041
- --------------------------------------------------------------------------------
NET REALIZED AND UNREALIZED GAIN/(LOSS) ON INVESTMENTS:
     Net realized gain from security transactions                   174,825
     Change in unrealized appreciation or depreciation
       of investments                                            (1,283,244)
- --------------------------------------------------------------------------------
     Net loss on investments                                     (1,108,419)
- --------------------------------------------------------------------------------

NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS             $1,612,622
================================================================================

- --------------------------------------------------------------------------------
See Notes to Financial Statements.

10

<PAGE>


================================================================================
Managed Municipal Fund, Inc.
================================================================================

Statement of Changes in Net Assets                                              

                                                    
                                                   For the Six                  
                                                  Months Ended    For the Year
                                                 April 30, 1997       Ended
                                                   (Unaudited)  October 31, 1996
- --------------------------------------------------------------------------------

INCREASE/(DECREASE) IN NET ASSETS:
Operations:
     Net investment income                         $ 2,721,041     $ 5,787,049
     Net realized gain from security transactions      174,825         281,659
     Change in appreciation or depreciation
       of investments                               (1,283,244)       (272,341)
- --------------------------------------------------------------------------------
     Net increase in net assets
       resulting from operations                     1,612,622       5,796,367
- --------------------------------------------------------------------------------
DIVIDENDS TO SHAREHOLDERS FROM:
     Net investment income:
       ISI Class Shares                             (1,830,220)     (3,828,729)
       Flag Investors Class A Shares                  (890,824)     (1,958,320)
     Net realized short-term gains:
       ISI Class Shares                               (280,786)       (545,496)
       Flag Investors Class A Shares                  (136,103)       (286,075)
     Net realized long-term gains:
       ISI Class Shares                                (79,536)        (82,292)
       Flag Investors Class A Shares                   (38,304)        (43,313)
- --------------------------------------------------------------------------------
     Total distributions                            (3,255,773)     (6,744,225)
- --------------------------------------------------------------------------------
CAPITAL SHARE TRANSACTIONS (NOTE C):
     Proceeds from sale of shares                    1,230,031       8,278,327
     Value of shares issued in reinvestment of
       dividends                                     1,824,816       3,789,940
     Cost of shares repurchased                     (9,467,718)    (17,488,342)
- --------------------------------------------------------------------------------
     Decrease in net assets derived from
       capital share transactions                   (6,412,871)     (5,420,075)
- --------------------------------------------------------------------------------
     Total decrease in net assets                   (8,056,022)     (6,367,933)
- --------------------------------------------------------------------------------
NET ASSETS:
     Beginning of period                           125,904,151     132,272,084
- --------------------------------------------------------------------------------
     End of period                                $117,848,129    $125,904,151
================================================================================

- --------------------------------------------------------------------------------
See Notes to Financial Statements.

                                                                              11


<PAGE>

================================================================================
Managed Municipal Fund, Inc.
================================================================================
Financial Highlights--ISI Class and Flag Investors Class A Shares
(For a shares outstanding throughout each period)(1)

<TABLE>
<CAPTION>
                                          For the Six
                                         Months Ended         For the Year Ended October 31,
                                        April 30, 1997 -------------------------------------------
                                          (Unaudited)   1996     1995      1994     1993     1992
- ---------------------------------------------------------------------------------------------------
<S> <C>
Per Share Operating Performance:
  Net asset value at beginning
    of period                              $ 10.58   $ 10.65  $  9.81   $ 11.10  $ 10.31  $ 10.36
- ---------------------------------------------------------------------------------------------------
Income from Investment Operations:
  Net investment income                       0.23      0.48     0.48      0.46     0.50     0.50
  Net realized and unrealized
    gain/(loss) on investments               (0.10)       --     0.98     (1.15)    0.94     0.22
- ---------------------------------------------------------------------------------------------------
  Total from Investment Operations            0.13      0.48     1.46     (0.69)    1.44     0.72
- ---------------------------------------------------------------------------------------------------
Less Distributions:
  Distributions from net investment
    income and short-term gains              (0.27)    (0.54)   (0.54)    (0.56)   (0.61)   (0.65)
  Distributions from net realized
    long-term gains                          (0.01)    (0.01)   (0.08)    (0.04)   (0.04)   (0.12)
- ---------------------------------------------------------------------------------------------------
  Total distributions                        (0.28)    (0.55)   (0.62)    (0.60)   (0.65)   (0.77)
- ---------------------------------------------------------------------------------------------------
  Net asset value at end of period         $ 10.43   $ 10.58  $ 10.65    $ 9.81  $ 11.10  $ 10.31
===================================================================================================
Total Return(2)                               1.24%     4.67%   15.42%    (6.49)%  14.36%    6.06%

Ratios to Average Daily Net Assets:
  Expenses(3)                                 0.90%(5)  0.90%    0.90%     0.90%    0.90%    0.90%
  Net investment income(4)                    4.50%(5)  4.48%    4.72%     4.37%    4.38%    4.78%

Supplemental Data:
  Net assets at end of period:
    ISI Class Shares                       $79,059    $84,712  $86,292   $83,607  $88,378  $51,420
    Flag Investors Class A Shares          $38,789    $41,193  $45,980   $49,903  $53,486  $45,536
  Portfolio turnover rate                       11%(5)     32%      55%       37%      68%      95%
- ---------------------------------------------------------------------------------------------------
</TABLE>
(1)  Computed based upon average shares outstanding.
(2)  Total return excludes the effect of sales charge.
(3)  Without the waiver of advisory and administration  fees (Note B), the ratio
     of expenses to average daily net assets would have been 1.09% (annualized),
     1.13%,  1.10%,  1.11%,  1.14% and 1.27% for the six months  ended April 30,
     1997 and the years  ended  October 31,  1996,  1995,  1994,  1993 and 1992,
     respectively.
(4)  Without the waiver of advisory and administration  fees (Note B), the ratio
     of net investment  income to average daily net assets would have been 4.31%
     (annualized), 4.25%, 4.52%, 4.16%, 4.14% and 4.41% for the six months ended
     April 30, 1997 and the years ended October 31, 1996,  1995,  1994, 1993 and
     1992, respectively.
(5)  Annualized.
See Notes to Financial Statements.
                              
12

<PAGE>
================================================================================
Notes to Financial Statements
================================================================================

A.  Significant  Accounting  Policies  --  Managed  Municipal  Fund,  Inc.  (the
    "Fund"),  which was organized as a Maryland Corporation on January 15, 1990,
    commenced  operations  February 26, 1990.  The Fund is registered  under the
    Investment  Company  Act  of  1940  as a  diversified,  open-end  Investment
    Management  Company.  It is designed to provide a high level of total return
    with relative  stability of principal as well as the secondary  objective of
    high current income through investment in a portfolio  consisting  primarily
    of  municipal  obligations,  the  interest on which is exempt  from  federal
    income tax.

    The Fund consists of two share  classes:  ISI Managed  Municipal Fund Shares
    ("ISI Class"), which commenced February 26, 1990, and Flag Investors Managed
    Municipal Fund Class A Shares ("Flag  Investors  Class A"), which  commenced
    October 23, 1990.

    The ISI Class  Shares have a 4.45%  maximum  front-end  sales charge and the
    Flag Investors  Class A Shares have a 4.50% maximum  front-end sales charge.
    Both classes have a 0.25% distribution fee.

    When preparing the Fund's financial  statements,  management makes estimates
    and  assumptions to comply with generally  accepted  accounting  principles.
    These estimates  affect 1) the assets and liabilities  that we report at the
    date of the financial  statements;  2) the contingent assets and liabilities
    that  we  disclose  at the  date  of the  financial  statements;  and 3) the
    revenues and expenses that we report for the period.  Our estimates could be
    different  from  the  actual  results.  The  Fund's  significant  accounting
    policies are:

    Security  Valuation  --  Municipal  obligations  are  usually  traded in the
    over-the-counter  market.  When there is an available market quotation,  the
    Fund values a municipal  obligation by using the most recent price  provided
    by an investment  dealer.  The Fund utilizes the services of an  independent
    pricing vendor to obtain prices. When a market quotation is unavailable, the
    Investment  Advisor  determines a fair value using procedures that the Board
    of  Directors   establishes  and  monitors.   The  Fund  values   short-term
    obligations with maturities of 60 days or less at amortized cost.

    Repurchase  Agreements  -- The  Fund may  enter  into  tri-party  repurchase
    agreements with broker-dealers and domestic banks. A repurchase agreement is
    a  short-term  investment  in which the Fund buys a debt  security  that the
    broker agrees to repurchase at a set time and price. The third party,  which
    is the broker's  custodial bank,  holds the collateral in a separate account
    until the  repurchase  agreement  matures.  The  agreement  ensures that the
    collateral's market value,  including any accrued interest, is sufficient if
    the broker  defaults.  The Fund's access to the collateral may be delayed or
    limited if the broker  defaults and the value of the collateral  declines or
    if the broker enters into an insolvency proceeding.

    Federal Income Taxes -- The Fund determines its  distributions  according to
    income tax  regulations,  which may be  different  from  generally  accepted
    accounting   principles.   As  a  result,   the  Fund   occasionally   makes
    reclassifications  within its capital  accounts to reflect  income and gains
    that are available for distribution under income tax regulations.

    The Fund is  organized  as a  regulated  investment  company.  As long as it
    maintains this status and distributes to its shareholders  substantially all
    of its taxable net investment income and net realized capital gains, it will
    be exempt  from most,  if not all,  federal  income and excise  taxes.  As a
    result, the Fund has made no provisions for federal income taxes.

    Security  Transactions,  Investment  Income,  Distributions and Other -- The
    Fund  uses the trade  date to  account  for  security  transactions  and the
    specific  identification  method  for  financial  reporting  and  income tax
    purposes to determine  the cost of  investments  sold or redeemed.  Interest
    income is recorded on an accrual basis and includes the pro rata  scientific
    method  for  amortization  of  premiums  and  accretion  of  discounts  when
    appropriate. Income and common expenses are allocated to each class based on
    its

                                                                              13

<PAGE>

================================================================================
Notes to Financial Statements (continued)
================================================================================

    respective average  net assets. Class specific expenses are charged directly
    to each  class.  Dividend  income  and  distributions  to  shareholders  are
    recorded on the ex-dividend date.

B.  Investment  Advisory Fees,  Transactions  with  Affiliates and Other Fees --
    International  Strategy & Investment Inc.  ("ISI")  is the Fund's investment
    advisor  and  Investment   Company  Capital  Corp.  ("ICC")  is  the  Fund's
    administrator.  As compensation for its advisory services, the Fund pays ISI
    an annual  fee based on the Fund's  average  daily net  assets.  This fee is
    calculated  daily  and  paid  monthly  at  the  annual  rate  of  0.40%.  As
    compensation for its  administrative  services,  the Fund pays ICC an annual
    fee based on the Fund's  average  daily net assets.  This fee is  calculated
    daily and paid monthly at the annual rate of 0.20%.

    ISI and ICC have agreed to reduce their fees  proportionately when necessary
    so that the  Fund's  annual  expenses  are no more than  0.90% of the Fund's
    average  daily net  assets.  For the six months  ended April 30,  1997,  ISI
    waived fees of $77,979 and ICC waived fees of $38,990.

    As compensation for its accounting services, the Fund pays ICC an annual fee
    that is calculated  daily and paid monthly from the Fund's average daily net
    assets. The Fund paid ICC $28,911 for accounting services for the six months
    ended April 30, 1997.

    As  compensation  for its transfer agent  services,  the Fund pays ICC a per
    account fee that is calculated  and paid monthly.  The Fund paid ICC $28,100
    for transfer agent services for the six months ended April 30, 1997.

    As compensation for providing  distribution  services for the ISI Class, the
    Fund  paid  Armata  Financial  Corp.,  an  affiliate  of Alex.  Brown & Sons
    Incorporated  ("Alex.  Brown"),  an annual fee that was calculated daily and
    paid monthly.  This fee was paid at an annual rate equal to 0.25% of the ISI
    Class'  average daily net assets.  Beginning  April 1, 1997,  ISI Group Inc.
    assumed  the role of  distributor  of the ISI  Class.  As  compensation  for
    providing  distribution  services for the Flag Investors Class A Shares, the
    Fund  pays  Alex.  Brown an  annual  fee that is  calculated  daily and paid
    monthly.  This  fee is paid at an  annual  rate  equal  to 0.25% of the Flag
    Investors Class A Shares' average daily net assets. For the six months ended
    April 30, 1997, distribution fees aggregated $152,692, of which $103,178 was
    attributable  to the ISI Class  Shares and $49,514 was  attributable  to the
    Flag Investors Class A Shares.

    The Fund's  complex  offers a retirement  plan for eligible  Directors.  The
    actuarially  computed  pension expense  allocated to the Fund for the period
    November  1,  1996  through  April  30,  1997 was  $2,046,  and the  accrued
    liability was $18,728.

C.  Capital  Share  Transactions  -- The  Fund is  authorized  to issue up to 40
    million  shares of $.001 par value capital  stock (20 million ISI Class,  15
    million Flag Investors  Class A, 2.5 million Flag Investors Class B, 500,000
    Flag Investors Class D and 2 million  undesignated).  Transactions in shares
    of the Fund were as follows:

                                                   ISI Class Shares
                                           ---------------------------------
                                            For the Six
                                            Months Ended          For the
                                           April 30, 1997       Year Ended
                                            (Unaudited)        Oct. 31, 1996
                                           --------------      -------------

Shares sold                                      94,358             585,014   
Shares issued to share-                                                       
  holders on reinvest-                                                        
  ment of dividends                             120,321             246,345   
Shares redeemed                                (646,136)           (924,026)  
- --------------------------------------------------------------------------------
Net decrease in shares                                                        
  outstanding                                  (431,457)            (92,667)  
================================================================================
Proceeds from sale                                                            
  of shares                                 $   991,901         $ 6,198,720   
Value of reinvested                                                           
  dividends                                   1,263,768           2,588,981   
Cost of shares                                                                
  redeemed                                   (6,799,476)         (9,754,108)  
- --------------------------------------------------------------------------------
Net decrease from                                                             
  capital share                                                               
  transactions                              $(4,543,807)        $  (966,407)  
================================================================================

14

<PAGE>                                     

================================================================================
Notes to Financial Statements (concluded)
================================================================================
 
                                             Flag Investors Class A Shares
                                            -------------------------------
                                             For the Six                 
                                             Months Ended        For the   
                                            April 30, 1997     Year Ended  
                                             (Unaudited)      Oct. 31, 1996
                                            --------------    -------------

Shares sold                                       22,849           200,140 
Shares issued to share-                                                    
  holders on reinvest-                                                     
  ment of dividends                               53,519           114,250 
Shares redeemed                                 (253,027)         (736,822)
- --------------------------------------------------------------------------------
Net decrease in shares                                                     
  outstanding                                   (176,659)         (422,432)
================================================================================
Proceeds from sale                                                         
  of shares                                  $   238,130       $ 2,079,607 
Value of reinvested                                                        
  dividends                                      561,048         1,200,959 
Cost of shares                                                             
  redeemed                                    (2,668,242)       (7,734,234)
- --------------------------------------------------------------------------------
Net decrease from                                                          
  capital share                                                            
  transactions                               $(1,869,064)      $(4,453,668)
================================================================================
                                            
D.  Investment  Transactions -- Excluding short-term  obligations,  purchases of
    investment   securities   aggregated  $6,551,646  and  sales  of  investment
    securities aggregated $13,600,943 for the six months ended April 30, 1997.

    On  April  30,  1997,  aggregate  gross  unrealized   appreciation  for  all
    securities in which there is an excess of value over tax cost was $1,875,728
    and aggregate  gross  unrealized  depreciation  for all  securities in which
    there is an excess of tax cost over value was $1,381,471.

E.  Net Assets -- On April 30, 1997, net assets consisted of:

    Paid-in capital:
      ISI Class Shares                   $ 79,695,495
      Flag Investors
        Class A Shares                     37,824,163
    Overdistribution of net realized
      gains from security
      transactions                           (165,786)
    Unrealized appreciation of
      investments                             494,257
                                         ------------
                                         $117,848,129
                                         ============


F.  Merger Agreement -- On April 6, 1997, Bankers Trust New York Corporation and
    Alex.  Brown  Incorporated  announced  that  they had  signed  a  definitive
    agreement  to merge.  The merger,  which is expected to be  completed by the
    fourth  quarter  of  1997,  is  subject  to  customary  closing  conditions,
    including certain regulatory and shareholder approvals.

                                                                              15



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