NUVEEN MUNICIPAL BOND FUND INC
N-30D, 1996-05-03
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<PAGE>
 
                                                                   [NUVEEN LOGO]

Nuveen Tax-Free
Mutual Funds

Dependable tax-free
income for generations

MUNI BOND

INSURED MUNI BOND



ANNUAL REPORT/FEBRUARY 29, 1996

[PHOTO OF COUPLE APPEARS HERE]
<PAGE>
 
                                        CONTENTS

                                     3  Dear shareholder
                                     5  Answering your questions
                                     9  Fund performance
                                     11 Portfolio of investments
                                     36 Statement of net assets
                                     37 Statement of operations
                                     38 Statement of changes in net assets
                                     39 Notes to financial statements
                                     48 Financial highlights
                                     52 Report of independent public accountants
<PAGE>
 
Dear
shareholder

[PHOTO OF RICHARD J. FRANKE APPEARS HERE]

"Over time, municipal bonds have proven to be a valuable and dependable
component of successful investment programs."

Since the beginning of the recovery in early 1995, we've enjoyed a welcome
rebound in the bond markets-a sharp contrast to 1994, which was one of the most
volatile periods in bond market history. In fact, 1995 unfolded as one of the
best years for bonds in a decade, as the bond market responded to a climate of
slowing economic growth and diminished inflationary pressure.

  The changing profile of the bond markets over the past two years reminds us
that weathering the ups and downs of the markets is a normal part of the
investment process. By maintaining a long-term perspective on your investments,
you can minimize the impact of short-term fluctuations and keep the focus on
achieving your goals. Municipal bond funds continue to play an integral role in
helping investors reach those goals, offering the attractive tax-free income and
solid total returns that they seek.

  Over the past year, we have kept our sights focused on successfully meeting
your fund's objectives. As of February 29, 1996, the current annual SEC yields
on offering price for R Shares were 4.93% for the Municipal Bond Fund and 5.00%
for the Insured Municipal Bond Fund. To match these yields, an investor in the
36% federal income tax bracket would have had to earn at least 7.70% and 7.81%,
respectively, on taxable alternatives.


                                       3
<PAGE>
 
  Reflecting the rebound in the bond markets, both of these funds reported gains
in portfolio value since February 28, 1995. The 12-month total returns on net
asset value for R Shares, reflecting portfolio gains plus reinvested dividend
income and capital gains distributions, if any, were 9.31% for the Municipal
Bond Fund and 10.94% for the Insured Municipal Bond Fund. These returns
translate to 12.59% and 14.10%, respectively, on a taxable-equivalent basis.
This strong performance rewarded investors who weathered the volatility of 1994,
and reminds us again of the importance of municipal bonds to a well-rounded,
long-term investment plan.

  As some of you may know, on June 30, 1996, I will be retiring as the Chairman
and Chief Executive Officer of John Nuveen & Co. Incorporated, and as Chairman
of the Board of the Nuveen Funds. As I look back over the 41 years I have spent
at Nuveen, I'm proud to have been associated with a firm that holds integrity,
honesty, and value as the cornerstones of its business. I'm confident that these
traditions will continue to be the hallmarks of Nuveen.

  Over the past few years, I have been working closely with other Nuveen
managers to ensure that the company and the funds continue to be guided by
strong and talented management following my retirement. Timothy Schwertfeger,
who has been with Nuveen since 1977, will succeed me as Chief Executive Officer
and Chairman of Nuveen. He currently serves as Executive Vice President of
Nuveen and President of the Nuveen Funds. I am very confident in his abilities
and the abilities of the entire Nuveen management team.

  The management transition has been well planned, and it will have no effect on
portfolio management or the way dividends are set. Our management team is
committed to continuing Nuveen's successful tradition of value investing and
prudent management, helping our shareholders meet their need for tax-free
investment income with a full range of investment choices.

  Our focus will continue to be on building shareholder value, providing
research-oriented management, and maintaining our leadership role in the
municipal bond market. With this focus, we anticipate many more years of
accomplishment for our shareholders and our firm.

 I'd like to take this occasion to thank you for selecting Nuveen mutual fund
investments.

Sincerely,


/s/ Richard J. Franke
Richard J. Franke
Chairman of the Board
April 15, 1996

                                       4
<PAGE>
 
Answering your
questions



Tom Spalding, head of Nuveen's portfolio management team, discusses factors
affecting the municipal market and efforts made to provide value for
shareholders.

How did the investment climate over the past year affect municipal bonds?

  In 1995, the combination of slow economic growth and low inflation created the
ideal environment for the bond markets, which responded with a sustained rally.
Citing the lack of significant inflation, the Federal Reserve Board moved to cut
interest rates in July and December 1995, and again at the end of January 1996.
This succession of rate cuts helped to bring down long-term municipal bond
yields by almost 130 basis points over the year and to increase net asset
values. The rebound of the municipal bond market was not as great as that of the
taxable market due to the much-publicized discussion of major tax reform
legislation and concern about its potential impact on tax-free investments. Yet,
in 1995, most Nuveen mutual funds enjoyed taxable-equivalent total returns of
14% or better.



                                       5
<PAGE>

[PHOTO OF TOM SPALDING APPEARS HERE]
 
Tom Spalding, head of Nuveen's portfolio management team, answers investors'
questions on developments in the municipal market.

What was Nuveen's approach to investing during this period?

During 1995, we continued to pursue our philosophy of value investing, a
disciplined approach designed to deliver above-market performance by emphasizing
securities that offer good intrinsic value and that are underpriced or
undervalued by the market. This approach has been rewarded over the past year,
as we saw many of our portfolio holdings upgraded by the rating agencies,
confirming our Research Department's judgments about credit quality. We also
moved to protect current income by investing more of our portfolio in non-
callable bonds when possible. These bonds are less likely to be redeemed before
maturity so that their yield is assured for the long term in the event of
falling interest rates. As is our policy, we continue to invest only in
investment-grade quality securities.


Has Nuveen made any major investment changes over the past year?

No. In the search for income and total return, our value investing approach
continues to concentrate on individual bonds with current yields, prices, credit
quality, and future prospects that are exceptionally attractive relative to
other bonds in the market. Because attractive issues may appear any time over
the course of the year, we are constantly vigilant for new opportunities, with
the goal of ensuring that the funds are always positioned to meet their
objectives: as high a level of current tax-free income as is consistent with
preservation of capital. This means that our analysts continuously assess
investment

                                       6
<PAGE>
 
possibilities across the entire spectrum of geographical and sector
opportunities nationwide. Currently, we favor revenue bonds for essential
services, such as those issued by water and sewer facilities and utilities,
especially public power authorities providing electricity at competitive rates.
We have reduced our positions in general obligation bonds issued by counties and
cities, which have suffered financial strains as the result of spending cuts at
the state and federal levels.

What does Nuveen see as the impact of the flat tax proposals on the municipal
market?

Because of the implications for tax-free investments such as municipal bonds and
bond funds, we have been closely monitoring the various flat tax proposals
currently being debated in Congress. While the presidential primaries
spotlighted the debate, it is important to note that none of the proposals
currently under discussion has gained a strong consensus. In addition,
implementation of any measure that manages to pass both houses is at least two
years away. As the election year progresses, focus seems to be shifting from tax
reform to other economic matters. However, the high-profile discussion-and the
attendant concern about the potential impact of tax reform on tax-free
investments-did affect the market for municipal bonds in 1995, causing these
bonds to underperform their taxable counterparts for the year.



                                       7
<PAGE>
 
  Given the low likelihood that the tax preference on municipal bonds will be
eliminated or dramatically reduced in the near future, Nuveen believes that it
is inadvisable to manage our funds toward one specific outcome. Instead, we will
continue to follow our value investing philosophy as the optimal way to pursue
our investors' objectives. In our view, this approach offers investors greater
price stability in the event of volatile markets. Once the tax issue is
resolved, we're confident that municipal bonds-because of their high credit
quality and attractive yields-will continue to hold a strategic place in the
prudent investor's portfolio. We will continue to monitor developments in the
tax debate as well as changes in other economic and political conditions while
keeping our focus on achieving the objectives of your fund.


What is Nuveen's market outlook for 1996?

Although inflation currently remains low and economic growth remains moderate,
we continue to watch these factors for potential changes and impact on the bond
market. During this election year, we are also closely monitoring any changes in
economic and tax policy that may affect the municipal market. The fundamentals
in the long term are sound, with the supply of municipal bonds down from past
years, and with a growing number of individual investors seeking to diversify
their portfolios and to increase their tax-free income.


                                       8
<PAGE>
 

NUVEEN MUNICIPAL BOND FUND

Muni Bond

INDEX COMPARISON

Comparison of change in value of a $10,000 investment in Nuveen Municipal Bond
Fund R Shares* and Lehman Brothers Municipal Bond Index

                             [GRAPH APPEARS HERE]

<TABLE> 
<CAPTION> 
In thousands                             2/86    2/87    2/88    2/89    2/90    2/91    2/92    2/93    2/94    2/95    2/96
                                        ------  ------  ------  ------  ------  ------  ------  ------  ------  ------  ------
<S>                                     <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>   
Lehman Brothers 
 Municipal Bond Index  
 -Total $21,997                         10,000  11,219  11,513  12,227  13,480  14,723  16,194  18,423  19,441  19,808  21,997     
Nuveen Municipal Bond Fund
 -Total $20,379                          9,525  10,674  11,032  11,854  12,976  14,075  15,466  17,173  17,994  18,644  20,380

Past performance is not predictive of future performance
</TABLE> 
<TABLE>
<CAPTION>
- ------------------------------------------------------------- 
ANNUALIZED TOTAL RETURN
- -------------------------------------------------------------
                                1 year   5 years   10 years
- -------------------------------------------------------------
<S>                             <C>      <C>       <C>
R Shares on NAV                 9.31%    7.68%        7.90%
A Shares on NAV                   N/A      N/A       5.33%+
A Shares on offering price**      N/A      N/A       0.59%+
C Shares on NAV                   N/A      N/A       4.59%+
- -------------------------------------------------------------
</TABLE>

The fund's current dividend of 4.15 cents per share for Class R Shares
translated into a distribution yield of 5.37% as of February 29, 1996. The
annual distribution yield is calculated by multiplying the dividend by 12, and
dividing this number by the current offering price. Investors in the 36% federal
income tax bracket would have to earn 8.39% on a taxable investment to match
this tax-free yield.

  During the fiscal year, your fund's net asset value (for Class R Shares)
increased by 3.11% from a year ago. The average annual total return on NAV for
this class was 9.31%, which translated into a taxable-equivalent total return of
12.59%.

  The fund's Class R Share SEC yield of 4.93% on February 29, 1996, translated
into 7.70% on a taxable-equivalent basis.


* One-year, 5-year and 10-year total return figures for Class R Shares are not
representative for Class A Shares or Class C Shares because they do not take
into account (1) the difference between the maximum front-end sales charge
applicable to Class R Shares (none), Class A Shares (4.50%) and Class C Shares
(none); (2) the .25% annual 12b-1 service fee applicable to Class A and Class C
Shares; (3) the .75% annual 12b-1 distribution fee to be deducted from income
with respect to Class C Shares; and (4) other class-level expenses applicable to
Class A Shares and Class C Shares.

** Maximum public offering price, which includes sales charges, which are
reduced for purchases over $50,000 and waived for reinvestment of dividends.

+ Life of class; Class A Shares and Class C Shares were first issued on June 13,
1995.

The Lehman Municipal Bond Index is comprised of a broad range of investment-
grade municipal bonds, and does not reflect any initial or ongoing expenses. The
Nuveen fund return depicted in the chart reflects the initial maximum sales
charge applicable to R Shares at the time (4.75%) and all ongoing fund expenses.

                                       9
<PAGE>
 
NUVEEN INSURED
MUNICIPAL BOND FUND

Insured Muni Bond

INDEX COMPARISON
Comparison of change in value of a $10,000 investment in Nuveen Insured
Municipal Bond Fund R Shares* and Lehman Brothers Municipal Bond Index


[GRAPH APPEARS HERE]

<TABLE> 
<CAPTION> 
In thousands                            11/86   11/87   11/88   11/89   11/90   11/91   11/92   11/93   11/94    2/96
                                        ------  ------  ------  ------  ------  ------  ------  ------  ------  ------  
<S>                                     <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>     
Lehman Brothers Municipal Bond
 Index-Total $20,239                    10,000   9,977  11,036  12,251  13,194  14,549  16,008  17,781  16,847  20,239  
Nuveen Insured Municipal Bond
 Fund-Total $19,688                      9,525   9,168  10,497  11,787  12,564  13,911  15,411  17,366  16,028  19,688  

Past performance is not predictive of future performance
</TABLE> 


<TABLE>
<CAPTION>
- ------------------------------------------------------------------
ANNUALIZED TOTAL RETURN
- ------------------------------------------------------------------
                                1 year   5 years   Since inception
- ------------------------------------------------------------------
<S>                             <C>       <C>             <C> 
R Shares on NAV                 10.94%     8.80%            8.22%
A Shares on NAV                 10.90%       N/A            9.99%+
A Shares on offering price**     5.91%       N/A            6.62%+
C Shares on NAV                  9.88%       N/A            8.80%+
- ------------------------------------------------------------------
</TABLE> 
 

The fund's current dividend of 4.65 cents per share for Class R Shares
translated into a distribution yield of 5.11% as of February 29, 1996. The
annual distribution yield is calculated by multiplying the dividend by 12, and
dividing this number by the current offering price. Investors in the 36% federal
income tax bracket would have to earn 7.98% on a taxable investment to match
this tax-free yield.

  During the fiscal year, your fund's net asset value (for Class R Shares)
increased by 5.20% from a year ago. The average annual total return on NAV for
this class was 10.94%, which translated into a taxable-equivalent total return
of 14.10%.

  The fund's Class R Share SEC yield of 5.00% on February 29, 1996, translated
into 7.81% on a taxable-equivalent basis.


* One-year, 5-year and life of fund total return figures for Class R Shares are
not representative for Class A Shares or Class C Shares because they do not take
into account (1) the difference between the maximum front-end sales charge
applicable to Class R Shares (none), Class A Shares (4.50%) and Class C Shares
(none); (2) the .25% annual 12b-1 service fee applicable to Class A and Class C
Shares; (3) the .75% annual 12b-1 distribution fee to be deducted from income
with respect to Class C Shares; and (4) other class-level expenses applicable to
Class A Shares and Class C Shares.
** Maximum public offering price, which includes sales charges, which are
reduced for purchases over $50,000 and waived for reinvestment of dividends.
+ Life of class; Class A Shares and Class C Shares were first issued at
different times after September 6, 1994.

The Lehman Municipal Bond Index is comprised of a broad range of investment-
grade municipal bonds, and does not reflect any initial or ongoing expenses. The
Nuveen fund return depicted in the chart reflects the initial maximum sales
charge applicable to R Shares at the time (4.75%) and all ongoing fund expenses.


                                       10

<PAGE>
 
PORTFOLIO OF INVESTMENTS             NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                              FEBRUARY 29, 1996
 

NUVEEN MUNICIPAL BOND FUND
<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                      OPT. CALL                             MARKET
AMOUNT           DESCRIPTION                                                 PROVISIONS*        RATINGS**             VALUE
- ----------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                     <C>                     <C>                 <C>
                 ALASKA - 0.9%
                 Alaska Housing Finance Corporation, Insured
                   Mortgage Program:
$ 4,085,000        6.375%, 12/01/07                                          6/96 at 101             Aa         $ 4,134,714
  3,290,000        7.650%, 12/01/10                                         12/00 at 102             Aa           3,482,399
 10,885,000        7.800%, 12/01/30                                         12/00 at 102             Aa          11,555,189
                 Alaska State Housing Finance Corporation:
  3,675,000        6.375%, 12/01/12 (Pre-refunded to 12/01/02)              12/02 at 102             Aa           4,028,645
  2,250,000        6.600%, 12/01/23 (Pre-refunded to 12/01/02)              12/02 at 102             Aa           2,487,623
- ----------------------------------------------------------------------------------------------------------------------------
                 ARIZONA - 2.4%
  7,750,000      Arizona State University, 5.750%, 7/01/12                   7/02 at 101             AA           7,876,713
                 Salt River Project, Agricultural Improvement
                   and Power District:
  5,000,000        4.900%, 1/01/08                                           1/04 at 102             Aa           4,966,400
  9,145,000        5.000%, 1/01/10                                           7/96 at 100             Aa           8,917,015
 26,200,000        4.750%, 1/01/17                                           1/04 at 100             Aa          23,643,404
 20,350,000        5.500%, 1/01/28                                           1/02 at 100             Aa          19,681,096
  4,570,000      Scottsdale Industrial Development Authority
                   (Scottsdale Memorial Hospital),
                   8.500%, 9/01/07                                           9/97 at 102            Aaa           4,939,987
- ----------------------------------------------------------------------------------------------------------------------------
                 ARKANSAS - 0.4%
 11,210,000      Jefferson County Hospital, 6.000%, 7/01/06                  7/03 at 102              A          11,895,716
- ----------------------------------------------------------------------------------------------------------------------------
                 CALIFORNIA - 15.2%
                 California Department of Water Resources
                   (Central Valley Project):
 15,515,000        5.700%, 12/01/16                                      6/03 at 101 1/2             Aa          15,593,040
  9,500,000        5.750%, 12/01/19                                      6/03 at 101 1/2             Aa           9,573,720
 12,250,000        5.500%, 12/01/23                                     12/03 at 101 1/2             Aa          11,934,318
 20,000,000        4.875%, 12/01/27                                         12/03 at 101             Aa          17,736,000
 13,025,000      California Health Facilities Financing Authority
                   (Catholic Healthcare West), 5.000%, 7/01/14               7/04 at 102            Aaa          12,142,426
 12,000,000      California State Public Works Board,
                   Department of Corrections (California State
                   Prison, Monterey), 7.000%, 11/01/19                      11/04 at 102              A          13,532,520
 34,795,000      California Statewide Communities Development
                   Authority (St. Joseph Health System),
                   5.500%, 7/01/23                                           7/03 at 102             Aa          33,346,484
                 California Statewide Communities Development
                   Authority (Unihealth America):
 11,500,000        5.500%, 10/01/14                                         10/03 at 102            Aaa          11,308,870
 20,000,000        5.750%, 10/01/25                                         10/03 at 102            Aaa          20,050,000
- ----------------------------------------------------------------------------------------------------------------------------
</TABLE>

                                       11
<PAGE>
 
PORTFOLIO OF INVESTMENTS

NUVEEN MUNICIPAL BOND FUND-CONTINUED
<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                     OPT. CALL                             MARKET
AMOUNT           DESCRIPTION                                                PROVISIONS*        RATINGS**             VALUE
- ----------------------------------------------------------------------------------------------------------------------------
<S>              <C>                                                       <C>                 <C>            <C>
                 CALIFORNIA (CONTINUED)
$ 11,725,000     Central California Joint Powers Health Finance
                   Authority, Certificates of Participation,
                   5.250%, 2/01/13                                         2/03 at 102               A         $10,803,532
   9,000,000     East Bay Municipal Utility District,
                   5.000%, 6/01/21                                         6/03 at 102             Aaa           8,313,930
                 Foothill/Eastern Transportation Corridor Agency:
  45,000,000       0.000%, 1/01/23                                        No Opt. Call           BBB--           8,147,250
  15,000,000       6.000%, 1/01/34                                         1/05 at 102           BBB--          14,342,100
   9,040,000     Los Angeles Convention and Exhibition
                   Center Authority, 5.125%, 8/15/13                       8/03 at 102             Aaa           8,657,518
                 Los Angeles Department of Water and Power:
  17,575,000       6.500%, 4/15/32                                         4/02 at 102              Aa          18,800,681
  13,100,000       6.125%, 1/15/33                                         1/03 at 102              Aa          13,682,033
                 Los Angeles Wastewater System:
   7,000,000       5.700%, 6/01/20                                         6/03 at 102             Aaa           7,001,820
  15,615,000       5.200%, 11/01/21                                       11/03 at 102             Aaa          14,637,501
  21,000,000       5.700%, 6/01/23                                         6/03 at 102             Aaa          21,080,220
                 Los Angeles County Metropolitan Transit
                   Authority:
  15,750,000       5.500%, 7/01/13                                         7/03 at 102            AA--          15,328,530
  14,935,000       4.750%, 7/01/18                                         7/03 at 102             Aaa          13,388,481
   8,000,000       5.250%, 7/01/23                                         7/03 at 102             Aaa           7,530,000
                 Los Angeles County Sanitation Districts
                   Financing Authority:
   6,500,000       5.375%, 10/01/13                                       10/03 at 102              Aa           6,340,880
  19,500,000       5.000%, 10/01/23                                       10/03 at 100              Aa          17,700,150
  31,360,000     Los Angeles County Transportation Commission,
                   6.750%, 7/01/19 (Pre-refunded to 7/01/02)               7/02 at 102             Aaa          36,041,107
                 Metropolitan Water District of Southern California:
   4,670,000       5.500%, 1/01/10                                         7/96 at 101             AA+           4,725,620
   5,000,000       5.500%, 7/01/19                                         7/02 at 102              Aa           4,874,550
  12,750,000     Modesto Irrigation District (Geysers Geothermal
                   Power Project), Certificates of Participation,
                   7.250%, 10/01/15                                       10/96 at 102              A1          13,239,983
  22,575,000     Northern California Power Agency,
                   7.150%, 7/01/24                                         7/98 at 102               A          24,355,942
  12,600,000     Sacramento Sanitation District Finance
                   Authority, 4.750%, 12/01/23                            12/03 at 102              Aa          11,043,270
   7,600,000     Santa Clara County (Capital Project No. 1),
                   Certificates of Participation,
                   8.000%, 10/01/06 (Pre-refunded to 10/01/96)            10/96 at 102             AAA           7,960,012
   8,050,000     University of California, 6.875%, 9/01/16
                   (Pre-refunded to 9/01/02)                               9/02 at 102             A--           9,302,741
- ----------------------------------------------------------------------------------------------------------------------------
</TABLE>
 

                                       12
<PAGE>

<TABLE> 
<CAPTION> 
                                                                               NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                                                                        FEBRUARY 29, 1996
- ------------------------------------------------------------------------------------------------------------------------- 
PRINCIPAL                                                                OPT. CALL                                MARKET
AMOUNT           DESCRIPTION                                           PROVISIONS*       RATINGS**                 VALUE
- -------------------------------------------------------------------------------------------------------------------------
<S>              <C>   
                 COLORADO - 1.3%
$31,750,000      Colorado Housing Finance Authority,
                   7.250%, 11/01/31                                   11/01 at 102              Aa           $33,558,798
  4,250,000      Denver City and County Airport System,
                   7.250%, 11/15/25                                   11/02 at 102             Baa             4,864,508
- -------------------------------------------------------------------------------------------------------------------------
                 CONNECTICUT - 0.3%
  5,745,000      Connecticut Housing Finance Authority,
                   7.550%, 11/15/08                                   11/00 at 102              Aa             5,908,847
  2,970,000      Connecticut Resources Recovery Authority,
                   8.625%, 1/01/04                                     7/96 at 102               A             3,040,092
- -------------------------------------------------------------------------------------------------------------------------
                 DISTRICT OF COLUMBIA - 0.3%
  7,560,000      CHT Housing, Inc., FHA-Insured,
                   8.500%, 1/01/22                                     7/96 at 103             N/R             7,813,940
- -------------------------------------------------------------------------------------------------------------------------
                 FLORIDA - 2.5%
  4,500,000      Dade County Health Facilities Authority
                   (Mt. Sinai Medical Center),
                   8.400%, 12/01/07 (Pre-refunded to
                   12/01/99)                                          12/99 at 102             Aaa             4,951,665
 31,000,000      Hillsborough County Industrial Development
                   Authority, Pollution Control (Tampa Electric),
                   8.000%, 5/01/22                                     5/02 at 103             Aa2            36,898,990
  7,000,000      Jacksonville Electric Authority (St. John's
                   River Power Park System), 6.500%, 10/01/14     10/99 at 101 1/2             Aa1             7,455,980
 15,000,000      Orlando Utilities Commission, 5.000%, 10/01/23       10/99 at 100              Aa            13,557,450
  8,005,000      Pensacola Health Facilities Authority
                   (Daughters of Charity), 7.750%, 1/01/03
                   (Pre-refunded to 1/01/98)                       1/98 at 101 1/2             Aaa             8,691,189
  1,485,000      Sarasota Elderly Housing Corporation,
                   7.500%, 7/01/09                                     7/96 at 104               A             1,548,588
- -------------------------------------------------------------------------------------------------------------------------
                 HAWAII - 0.3%
  8,000,000      Hawaii Department of Budget and Finance
                   (Kapiolani Health Care System),
                   7.650%, 7/01/19 (Pre-refunded to 7/01/01)           7/01 at 102             Aaa             9,401,600
- -------------------------------------------------------------------------------------------------------------------------
                 ILLINOIS - 15.9%
  8,500,000      Illinois Development Finance Authority
                   (Columbus-Cuneo-Cabrini Medical Center),
                   8.500%, 2/01/15 (Pre-refunded to 2/01/00)           2/00 at 102             Baa             9,909,300
  8,500,000      Illinois Educational Facilities Authority
                   (The University of Chicago), 5.600%, 7/01/24        7/03 at 102             Aaa             8,258,430
- -------------------------------------------------------------------------------------------------------------------------
</TABLE>

                                       13
<PAGE>
 
PORTFOLIO OF INVESTMENTS


NUVEEN MUNICIPAL BOND FUND--CONTINUED

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                             OPT. CALL                         MARKET
AMOUNT           DESCRIPTION                                        PROVISIONS*    RATINGS**             VALUE 
- --------------------------------------------------------------------------------------------------------------
<S>              <C>                                               <C>             <C>          <C>                
                 ILLINOIS (CONTINUED)                                                                               
                 Illinois General Obligation:                                                                       
$   15,100,000    6.200%, 10/01/04                                 10/02 at 102          AA-    $   16,637,482           
    14,750,000    5.875%, 6/01/10                                   6/02 at 102          AA-        15,146,038          
     5,000,000    5.875%, 6/01/11                                   6/02 at 102          AA-         5,114,250          
    10,000,000    5.700%, 4/01/18                                   4/03 at 102          AA-         9,845,200          
     4,770,000   Illinois Health Facilities Authority                                                               
                  (Rush Presbyterian), 6.900%, 10/01/02             4/96 at 100           A1         4,778,204
    12,420,000   Illinois Health Facilities Authority                                                               
                  (LaGrange Hospital), 7.625%, 7/01/13                                                              
                  (Pre-refunded to 7/01/96)                         7/96 at 102            A        12,833,089
    10,000,000   Illinois Health Facilities Authority (Highland                                                     
                  Park Hospital), 6.200%, 10/01/22                 10/02 at 102          Aaa        10,470,000
     6,115,000   Illinois Health Facilities Authority (Illinois                                                     
                  Masonic Medical Center), 5.500%, 10/01/19        10/03 at 102            A         5,641,026
    34,120,000   Illinois Health Facilities Authority,                                                              
                  (Rush-Presbyterian-St. Luke's Medical Center),                                                     
                  5.500%, 11/15/25                                 11/03 at 102          Aaa        32,791,367
    10,425,000   Illinois Independent Higher Education Loan                                                         
                  Authority (Northwestern University),                                                              
                  8.000%, 12/01/07                                 12/96 at 102          Aa1        10,923,628
                 Illinois Sales Tax:                                                                                
    21,670,000    6.000%, 6/15/18                                   6/01 at 100          AAA        21,966,229          
    14,200,000    5.250%, 6/15/18                                   6/03 at 102          AAA        13,554,610          
                 Illinois State Toll Highway Authority:                                                             
    20,000,000    6.450%, 1/01/13                                   1/03 at 102           A1        20,866,200          
     8,655,000    6.200%, 1/01/16                                   1/03 at 102          Aaa         9,120,293          
                 Chicago General Obligation:                                                                        
     5,800,000    5.250%, 1/01/18                                   1/04 at 102          Aaa         5,507,042          
    16,270,000    5.625%, 1/01/23                                   1/03 at 102          Aaa        16,046,938          
    22,335,000   Chicago Metropolitan Housing Development                                                           
                  Corporation, 6.900%, 7/01/22                      7/02 at 102           AA        23,309,029
     7,965,000   Chicago Motor Fuel Tax, 5.000%, 1/01/16            1/03 at 101          Aaa         7,391,759          
                 Chicago O'Hare International Airport:                                                              
    46,750,000    5.000%, 1/01/16                                   1/04 at 102           A1        44,133,870          
    18,710,000    5.000%, 1/01/18                                   1/04 at 102          Aaa        17,160,625          
    15,905,000   Cook County General Obligation,                                                                    
                  5.000%, 11/15/23                                 11/03 at 100          Aaa        14,454,305
                 Dupage Water Commission, General Obligation:                                                       
    39,040,000    7.875%, 3/01/11 (Pre-refunded to 3/01/96)         3/96 at 102          Aaa        39,830,560          
    16,800,000    5.750%, 3/01/11                                   3/02 at 100          Aaa        17,042,256          
     9,500,000    5.250%, 5/01/14                                   5/03 at 102           Aa         9,362,630          
     2,000,000   Hazel Crest (South Suburban Hospital),                                                             
                  9.125%, 7/01/17 (Pre-refunded to 7/01/97)         7/97 at 102          AAA         2,183,480
- -------------------------------------------------------------------------------------------------------------- 
</TABLE> 

                                      14

<PAGE>
 
                                      NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                               FEBRUARY 29, 1996
<TABLE> 
<CAPTION> 
- ------------------------------------------------------------------------------------------------------------- 
PRINCIPAL                                                                OPT. CALL                     MARKET
AMOUNT         DESCRIPTION                                             PROVISIONS*  RATINGS**           VALUE
- ------------------------------------------------------------------------------------------------------------- 
<C>            <S>                                                     <C>          <C>         <C> 
               ILLINOIS (CONTINUED)
$  56,180,000  Metropolitan Pier & Exposition Authority
                (McCormick Place Expansion Project),
                6.500%, 6/15/27                                        6/03 at 102         A+    $  58,538,436
               Zion Elderly Housing Corporation:
      240,000   7.250%, 3/01/98                                        3/96 at 102          A         244,795
    1,705,000   7.750%, 3/01/10                                        3/96 at 102          A       1,741,555
- -------------------------------------------------------------------------------------------------------------
               INDIANA - 2.7%
   47,100,000  Indiana Health Facilities Financing Authority
                (Daughters of Charity), 5.750%, 11/15/22              11/03 at 102         Aa      45,996,447
   10,500,000  Indiana Health Facilities Financing Authority
                (Methodist Hospital), 5.750%, 9/01/11                  9/02 at 102        Aaa      10,712,100
   12,550,000  Indiana Office Building Commission,
                8.750%, 7/01/12 (Pre-refunded to 7/01/97)              7/97 at 102        Aaa      13,641,348
    2,500,000  Indianapolis Local Public Improvement,
                Bond Bank, 6.750%, 2/01/20                             2/03 at 102          +       2,712,850
    3,135,000  Indianapolis Resource Recovery (Ogden Martin),
                7.900%, 12/01/08                                      12/96 at 103          A       3,307,300
    2,470,000  Southwind Housing, Inc., 7.125%, 11/15/21              No Opt. Call         AA       3,058,231
- -------------------------------------------------------------------------------------------------------------
               IOWA - 0.3%
    4,035,000  Iowa Housing Finance Authority,
                5.875%, 8/01/08                                        8/96 at 101        Aa1       4,071,840
    3,815,000  Davenport (Mercy Hospital), 6.625%, 7/01/14             7/02 at 102        Aaa       4,222,404
- -------------------------------------------------------------------------------------------------------------
               KENTUCKY - 3.2%
               Kentucky Housing Corporation:
   17,600,000   5.300%, 7/01/10                                        1/04 at 102        Aaa      17,269,648
   14,400,000   5.400%, 7/01/14                                        1/04 at 102        Aaa      14,087,520
    3,925,000   7.250%, 1/01/17                                        7/01 at 102        Aaa       4,188,250
               Kentucky Turnpike Authority:
    9,860,000   8.000%, 7/01/03                                        7/97 at 102         A+      10,540,636
    8,980,000   5.000%, 7/01/08                                        7/97 at 100         A+       8,829,316
   34,500,000  Carroll County Pollution Control (Kentucky
                Utilities Company), 7.450%, 9/15/16                    9/02 at 102        Aa2      39,604,275
- -------------------------------------------------------------------------------------------------------------
               MAINE - 0.3%
   10,000,000  Maine State Housing Authority,
                5.700%, 1/15/26                                        2/04 at 102        AA-       9,719,600
- -------------------------------------------------------------------------------------------------------------
               MASSACHUSETTS - 3.3%
   15,000,000  Massachusetts Bay Transportation Authority,
                Certificates of Participation,
                7.650%, 8/01/15 (Pre-refunded to 8/01/00)              8/00 at 102        Aaa     17,330,850
- ------------------------------------------------------------------------------------------------------------
</TABLE>

                                      15
<PAGE>
 
PORTFOLIO OF INVESTMENTS

NUVEEN MUNICIPAL BOND FUND-CONTINUED
<TABLE> 
<CAPTION> 
- ------------------------------------------------------------------------------------------------------------- 
PRINCIPAL                                                                OPT. CALL                     MARKET
AMOUNT         DESCRIPTION                                             PROVISIONS*  RATINGS**           VALUE
- ------------------------------------------------------------------------------------------------------------- 
<C>            <S>                                                     <C>          <C>         <C>  
               MASSACHUSETTS (CONTINUED)
$  19,670,000  Massachusetts General Obligation,
                4.700%, 8/01/02                                       No Opt. Call         A1   $  19,990,818
               Massachusetts Water Resources Authority:
   14,765,000   5.250%, 3/01/13                                        3/03 at 102          A      14,202,896
    6,500,000   7.500%, 4/01/16 (Pre-refunded to 4/01/00)              4/00 at 102        Aaa       7,412,795
    9,500,000   6.000%, 4/01/20                                        4/00 at 100          A       9,538,570
   24,650,000   5.250%, 12/01/20                                      12/04 at 102          A      23,201,320
    5,795,000   5.000%, 3/01/22                                        3/03 at 100          A       5,208,546
- -------------------------------------------------------------------------------------------------------------
               MICHIGAN - 4.5%
    3,000,000  Michigan Hospital Finance Authority (Genesys
                Health System), 7.500%, 10/01/27                      10/05 at 100        Baa       3,162,090
               Michigan Housing Development Authority:
    3,950,000   6.750%, 7/01/05                                        7/96 at 100        Aa1       3,960,073
   12,080,000   5.700%, 4/01/12                                        4/04 at 102        Aaa      12,208,531
   10,000,000  Michigan Housing Development Authority,
                Rental Housing, 6.600%, 4/01/12                       10/02 at 102         A+      10,377,100
    4,000,000  Michigan State Hospital Finance Authority
                (Henry Ford Hospital), 7.500%, 7/01/13
                (Pre-refunded to 1/01/97)                              1/97 at 102        Aaa       4,217,040
               Michigan State Hospital Finance Authority
                (The Detroit Medical Center):
   19,585,000   5.750%, 8/15/13                                        8/04 at 102          A      19,069,327
   54,000,000   5.500%, 8/15/23                                        8/04 at 102          A      50,558,040
    5,000,000  Detroit Sewage Disposal System, 8.250%, 7/01/05 
                (Pre-refunded to 7/01/97)                              7/97 at 102          A       5,396,900
   16,805,000  St. Joseph Hospital Finance Authority (Mercy
                Memorial Medical Center Obligated Group),
                5.250%, 1/01/16                                        1/04 at 102        Aaa      15,979,034
    5,000,000  University of Michigan Hospital,
                6.625%, 12/01/10                                      12/96 at 100         Aa       5,051,400
- -------------------------------------------------------------------------------------------------------------
               MINNESOTA - 0.9%
               Minnesota Housing Finance Agency:
    8,600,000   5.800%, 8/01/11                                        2/05 at 102        Aaa       8,703,630
    2,520,000   6.250%, 2/01/20                                        8/96 at 102         A1       2,555,986
   14,420,000  Minneapolis Convention Center,
                7.750%, 4/01/11 (Pre-refunded to 4/01/96)              4/96 at 102        Aaa      14,763,773
- -------------------------------------------------------------------------------------------------------------
               MISSOURI - 0.9%
    2,740,000  Missouri Environmental Improvement and
                Energy Resource Authority, Pollution Control
                (Associated Electric Cooperative, Inc.),
                7.900%, 11/15/14                                       5/96 at 103        Aa3       2,842,147
 ------------------------------------------------------------------------------------------------------------
 </TABLE> 
                                      16
<PAGE>
<TABLE>
<CAPTION>
                                                                                 NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                                                                          FEBRUARY 29, 1996
                                         
- ---------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                    OPT. CALL                               MARKET
AMOUNT           DESCRIPTION                                               PROVISIONS*        RATINGS**               VALUE
- ---------------------------------------------------------------------------------------------------------------------------
<S>              <C>                                                  <C>                     <C>            <C>
                 MISSOURI (CONTINUED)
$   15,750,000   Missouri Health and Educational Facilities
                  Authority (Heartland Health), 8.125%, 10/01/10      10/99 at 102 1/2             BBB+      $   18,042,413
     6,195,000   Missouri Housing Development Commission,
                  7.000%, 9/15/22                                      3/96 at 101 3/4              AA+           6,318,776
- ---------------------------------------------------------------------------------------------------------------------------
                 NEBRASKA - 1.4%
    37,895,000   Consumers Public Power District, 5.100%, 1/01/03          7/96 at 100               A1          37,934,411
     2,475,000   Hall County Hospital Authority (Sisters of Charity),
                  6.750%, 12/01/07                                         6/96 at 103               Aa           2,549,572
- ---------------------------------------------------------------------------------------------------------------------------
                 NEVADA - 0.2%
     7,130,000   Reno, Insured Hospital Revenue (St. Mary's
                  Regional Medical Center), 5.800%, 5/15/13                5/03 at 102              Aaa           7,293,634
- ---------------------------------------------------------------------------------------------------------------------------
                 NEW HAMPSHIRE - 0.3%
     8,500,000   New Hampshire Industrial Development
                  Authority, Pollution Control (Central
                  Maine Power Company), 7.375%, 5/01/14                   12/01 at 103             Baa3           9,093,555
- ---------------------------------------------------------------------------------------------------------------------------
                 NEW JERSEY - 0.4%
    10,750,000   New Jersey Housing and Mortgage Finance
                  Agency, 6.950%, 11/01/13                                 5/02 at 102               A+          11,393,818
- ---------------------------------------------------------------------------------------------------------------------------
                 NEW YORK - 7.9%
     8,000,000   New York Local Government Assistance
                  Corporation, 7.000%, 4/01/18 (Pre-refunded
                  to 4/01/02)                                              4/02 at 102              Aaa           9,260,080
    19,490,000   New York State Housing Finance Agency, Health
                  Facilities (New York City), 8.000%, 11/01/08            11/00 at 102             BBB+          22,002,066
    11,490,000   New York State Mortgage Agency, 6.875%, 4/01/17          10/96 at 102               Aa          11,810,226
    10,725,000   Battery Park City Authority, 5.000%, 11/01/13            11/03 at 102               AA           9,866,893
                 New York Municipal Assistance Corporation:                                                      
    16,270,000    7.750%, 7/01/06                                          7/97 at 102               Aa          17,350,653
    18,565,000    6.750%, 7/01/06                                          7/97 at 102               Aa          19,498,820
    23,535,000    7.250%, 7/01/08                                          7/96 at 102               Aa          24,251,170
    14,250,000    6.000%, 7/01/08                                          7/97 at 100               Aa          14,465,318
                 New York City General Obligation:
    16,500,000    4.875%, 10/01/01                                        No Opt. Call             Baa1          16,183,365
     2,350,000    6.000%, 8/15/04                                         No Opt. Call             Baa1           2,412,604
     7,500,000    5.900%, 2/01/05                                         No Opt. Call             Baa1           7,598,175
     5,000,000    8.125%, 11/01/06 (Pre-refunded to 11/01/97)         11/97 at 101 1/2              Aaa           5,437,700
     8,000,000    5.750%, 8/15/11                                          8/03 at 102             Baa1           7,702,640
     8,525,000    6.625%, 8/01/12 (Pre-refunded to 8/01/02)            8/02 at 101 1/2              Aaa           9,734,271
    12,655,000    5.750%, 2/01/17                                      2/06 at 101 1/2             Baa1          11,942,270
    14,000,000    6.625%, 2/15/25                                          2/05 at 101             Baa1          14,716,520
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

                                      17
<PAGE>
 
PORTFOLIO OF INVESTMENTS

NUVEEN MUNICIPAL BOND FUND-CONTINUED
<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------- 
PRINCIPAL                                                                OPT. CALL                     MARKET
AMOUNT         DESCRIPTION                                             PROVISIONS*    RATINGS**         VALUE
- ------------------------------------------------------------------------------------------------------------- 
<C>            <S>                                                     <C>            <C>          <C>
               NEW YORK (CONTINUED)
               New York City Municipal Water Finance
                Authority, Water and Sewer System:
$   8,600,000   6.000%, 6/15/17                                    6/02 at 101 1/2            A  $  8,764,948
   10,000,000   7.750%, 6/15/20 (Pre-refunded to 6/15/01)          6/01 at 101 1/2          Aaa    11,778,600
    5,000,000  Triborough Bridge and Tunnel Authority,
                General Purpose, 4.750%, 1/01/19                       1/04 at 100           Aa     4,512,300
- ------------------------------------------------------------------------------------------------------------- 
               NORTH CAROLINA - 3.0%
               North Carolina Eastern Municipal Power Agency:
   63,160,000   6.250%, 1/01/12                                        1/03 at 102            A    64,900,058
   17,290,000   8.000%, 1/01/21 (Pre-refunded to 1/01/98)              1/98 at 102          Aaa    18,929,092
    5,545,000  North Carolina Municipal Power Agency
                No. 1, (Catawba), 7.625%, 1/01/14                      1/98 at 102          Aaa     5,973,296
               Housing Authority of Wilmington:
      165,000   7.750%, 6/01/98                                        6/96 at 100           AA       171,125
    1,195,000   7.750%, 6/01/10                                        6/96 at 100           AA     1,279,295
- ------------------------------------------------------------------------------------------------------------- 
               OHIO - 0.1%
      500,000  Ohio Building Authority (Toledo Center),
                9.100%, 10/01/04                                      4/96 at 103            A1       517,205
- ------------------------------------------------------------------------------------------------------------- 
               OKLAHOMA - 0.2%
    5,375,000  Comanche County Hospital Authority,
                8.050%, 7/01/16 (Pre-refunded to 7/01/99)             7/99 at 102           AAA     6,137,390
    2,970,000  Midwest City Memorial Hospital Authority,
                7.375%, 4/01/12                                       4/02 at 102          BBB+     3,096,195
- ------------------------------------------------------------------------------------------------------------- 
               PENNSYLVANIA - 4.8%
               Pennsylvania Housing Finance Agency:
    4,025,000   8.100%, 7/01/13                                       7/02 at 102          AAA      4,459,338
   16,830,000   8.200%, 7/01/24                                       7/02 at 102          AAA     18,639,730
   22,500,000  Pennsylvania Housing Finance Agency, Rental
                Housing (FNMA), 5.750%, 7/01/14                       7/03 at 102          Aaa     22,610,925
   15,000,000  Pennsylvania Intergovernmental Cooperative
                Authority (Philadelphia Funding Program),
                5.000%, 6/15/22                                       6/03 at 100          Aaa     13,719,600
    5,000,000  Allegheny County Hospital Development
                Authority (St. Francis Medical Center),
                8.125%, 6/01/13 (Pre-refunded to 6/01/96)             6/96 to 102          Aaa      5,160,150
   10,000,000  Lehigh County Industrial Development   
                Authority, Pollution Control (Pennsylvania
                Power and Light Company), 6.400%, 9/01/29             9/04 at 102          Aaa     10,839,700
    9,300,000  Philadelphia Airport, 6.200%, 6/15/06                  6/96 at 100          A--      9,305,487
- ------------------------------------------------------------------------------------------------------------- 
</TABLE> 
                                      18
<PAGE>
 
                                      NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                               FEBRUARY 29, 1996
<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------- 
PRINCIPAL                                                               OPT. CALL                      MARKET
AMOUNT         DESCRIPTION                                             PROVISIONS*    RATINGS**         VALUE
- ------------------------------------------------------------------------------------------------------------- 
<C>            <S>                                                     <C>            <C>          <C> 
               PENNSYLVANIA (CONTINUED)
               Philadelphia Water and Sewer:
$  10,000,000   7.500%, 8/01/10 (Pre-refunded to 8/01/01)              8/01 at 102          AAA  $ 11,702,000
    5,890,000   7.250%, 7/01/14 (Pre-refunded to 7/01/96)              7/96 at 102          AAA     6,026,471
    7,000,000   7.000%, 8/01/18 (Pre-refunded to 8/01/01)              8/01 at 100          AAA     7,912,380
   28,075,000  Philadelphia Hospitals and Higher Educational
                Facilities Authority (Pennsylvania Hospital),
                7.250%, 7/01/14                                        7/96 at 101            A    28,392,809
- ------------------------------------------------------------------------------------------------------------- 
               RHODE ISLAND - 0.2%
   7,595,000   Rhode Island Convention Center Authority,
                5.000%, 5/15/20                                       5/03 at 100           Aaa     6,886,994
- -------------------------------------------------------------------------------------------------------------
               SOUTH CAROLINA - 0.8%
  20,750,000   Piedmont Municipal Power Agency,
                7.400%, 1/01/18                                       1/98 at 102           Aaa    22,274,918
- -------------------------------------------------------------------------------------------------------------
               TEXAS - 4.3%
               Austin Water, Sewer and Electric:
     300,000    14.000%, 11/15/01 (Pre-refunded to 5/15/99)           5/99 at 100             A       387,408
  18,415,000    14.000%, 11/15/01                                    No Opt. Call             A    25,251,341
   4,000,000    11.000%, 11/15/02 (Pre-refunded to 5/15/97)           5/97 at 100           AAA     4,355,880
  28,500,000   Brazos River Authority, 5.800%, 8/01/15                8/00 at 102           Aaa    28,779,585
  24,800,000   Harris County Toll Road, 5.300%, 8/15/13               8/04 at 102           Aaa    24,513,064
   7,000,000   Harris County Health Facilities Development
                Corporation (St. Luke's Episcopal Hospital),
                6.750%, 2/15/21                                       2/01 at 102           Aa      7,531,230
   3,345,000   Houston Water and Sewer System, 8.200%, 12/01/15
                (Pre-refunded to 12/01/96)                           12/96 at 102          AAA      3,532,588
               San Antonio Electric and Gas Systems:
   5,000,000    8.000%, 2/01/09 (Pre-refunded to 2/01/98)             2/98 at 102          Aaa      5,486,400
   3,500,000    8.000%, 2/01/16 (Pre-refunded to 2/01/98)             2/98 at 102          Aaa      3,840,480
  16,000,000   San Antonio Electric and Gas System,
                5.000%, 2/01/17                                       2/02 at 101          Aa1     14,704,640
   5,615,000   San Antonio Sewer System, 7.900%, 5/01/14
                (Pre-refunded to 5/01/97)                         5/97 at 101 1/2          Aaa      5,986,769
- -------------------------------------------------------------------------------------------------------------
               UTAH - 3.0%
               Intermountain Power Agency:
   6,300,000    5.500%, 7/01/13                                       7/03 at 103          Aa       6,254,325
  32,080,000    7.875%, 7/01/14                                       7/96 at 102          Aa      33,168,795
  16,260,000    7.200%, 7/01/19                                       7/97 at 102          Aa      17,152,186
  31,990,000    5.000%, 7/01/23                                       7/03 at 100          Aa      28,559,712
   1,730,000   Layton Industrial Development (K-Mart),
                8.750%, 6/01/05                                       6/96 at 100        Baa3       1,615,889
- -------------------------------------------------------------------------------------------------------------
</TABLE>

                                       19
<PAGE>
 
PORTFOLIO OF INVESTMENTS

NUVEEN MUNICIPAL BOND FUND-CONTINUED
<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                OPT. CALL                              MARKET
AMOUNT           DESCRIPTION                                           PROVISIONS*         RATINGS**             VALUE
- -------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                   <C>                 <C>               <C>
                 VERMONT - 0.1%
$   255,000      University of Vermont, Housing, Dining and
                   Student Services, 6.300%, 7/01/06                   7/96 at 101                A1       $   258,583
- -------------------------------------------------------------------------------------------------------------------------
                 VIRGINIA - 3.8%
                 Virginia Housing Development Authority:
  3,275,000        6.700%, 11/01/21                                   11/96 at 101               AA+         3,309,027
 50,000,000        7.150%, 1/01/33                                     1/02 at 102               Aa1        52,781,500
                 Virginia Housing Development Authority,
                   Multi-Family Housing:
 19,080,000        5.550%, 5/01/08                                     5/03 at 102               AA+        18,994,903
 28,075,000        5.900%, 5/01/14                                     5/03 at 102               AA+        27,948,382
  6,240,000      Chesapeake Hospital Authority (Chesapeake
                   General Hospital), 7.625%, 7/01/18
                   (Pre-refunded to 7/01/98)                           7/98 at 102               Aaa         6,887,587
  1,035,000      Chesapeake Industrial Development Authority
                   (Camelot Hall Nursing Home),
                   7.500%, 9/01/01                                    No Opt. Call               N/R         1,039,016
- -------------------------------------------------------------------------------------------------------------------------
                 WASHINGTON - 7.0%
                 Washington Public Power Supply System,
                   Nuclear Project No. 1:
 14,260,000        7.000%, 7/01/07                                    No Opt. Call                Aa        16,383,884
  7,805,000        7.000%, 7/01/09                                    No Opt. Call                Aa         8,980,667
 18,500,000        5.750%, 7/01/13                                     7/03 at 102                Aa        18,268,750
 10,000,000        5.375%, 7/01/15                                     7/03 at 102                Aa         9,369,900
  5,000,000        7.125%, 7/01/16                                    No Opt. Call                Aa         5,807,700
 10,000,000        5.700%, 7/01/17                                     7/03 at 102               Aaa         9,993,000
                 Washington Public Power Supply, Nuclear
                   Project No. 3:
  9,180,000        5.300%, 7/01/10                                     7/03 at 102                Aa         8,904,967
 51,070,000        5.375%, 7/01/15                                     7/03 at 102                Aa        47,635,032
  2,095,000        15.000%, 7/01/18 (Pre-refunded to 7/01/96)          7/96 at 103               Aaa         2,238,738
  8,835,000        5.700%, 7/01/18                                     7/03 at 102                Aa         8,568,448
 11,545,000        5.500%, 7/01/18                                     7/03 at 102                Aa        10,899,635
  6,635,000      Chelan County Public Utility District No. 1,
                   5.125%, 7/01/23                                     7/96 at 100                A1         6,044,286
 31,482,000      Chelan County Public Utility District No. 1
                   (Rocky Reach Hydro-Electric System),
                   5.000%, 7/01/13                                     7/96 at 100                A1        30,608,375
  6,805,000      Columbia Storage Power Exchange, 3.875%, 4/01/03      4/96 at 100                Aa         6,790,165
 15,600,000      Douglas County Public Utility District No. 1
                   (Wells Hydroelectric), 4.000%, 9/01/18              9/96 at 101                A+        13,139,256
- -------------------------------------------------------------------------------------------------------------------------
</TABLE> 

                                        20
<PAGE>
 
                                      NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                               FEBRUARY 29, 1996
<TABLE> 
<CAPTION> 
- ------------------------------------------------------------------------------------------------------------------------- 
PRINCIPAL                                                                      OPT. CALL                           MARKET
AMOUNT           DESCRIPTION                                                 PROVISIONS*       RATINGS**            VALUE
- -------------------------------------------------------------------------------------------------------------------------
<S>              <C>                                                         <C>               <C>              <C>  
                 WISCONSIN - 3.7%
$   13,700,000   Wisconsin Health and Educational Facilities
                   Authority (Columbia Hospital), 6.250%, 11/15/21          11/01 at 102             Aaa   $   14,385,548
     6,000,000   Wisconsin Health and Educational Facilities                                    
                   Authority (Meriter Health Services),                                         
                   6.000%, 12/01/22                                         12/02 at 102             Aaa        6,186,720
    13,500,000   Wisconsin Health and Educational Facilities                                    
                   Authority (Aurora Health Care Obligated Group),                              
                   5.250%, 8/15/23                                           8/03 at 102             Aaa       12,560,940
     3,250,000   Wisconsin Health and Educational Facilities                                    
                   Authority (Froedtert Memorial Lutheran Hospital),                            
                   5.875%, 10/01/13                                         10/04 at 102             Aaa        3,332,225
    32,000,000   Wisconsin Health and Educational Facilities                                    
                   Authority (Aurora Medical Group),                                            
                   5.750%, 11/15/25                                          5/06 at 102             Aaa       31,659,520
                 Wisconsin Housing and Economic                                                 
                   Development Authority:                                                       
    28,200,000     5.800%, 11/01/13                                         12/03 at 102              A1       28,073,943
     4,500,000     5.800%, 6/01/17                                          No Opt. Call               A        4,719,642
     8,500,000     7.050%, 11/01/22                                          4/02 at 102              A1        9,039,580
- -------------------------------------------------------------------------------------------------------------------------
                 PUERTO RICO - 0.3%
     8,000,000   Puerto Rico Aqueduct and Sewer Authority,
                   7.875%, 7/01/17 (Pre-refunded to 7/01/98)                 7/98 at 102             AAA        8,888,000
- -------------------------------------------------------------------------------------------------------------------------
$2,830,552,000   Total Investments - (Cost $2,668,395,087) - 97.2%                                          2,835,978,201
================---------------------------------------------------------------------------------------------------------
                 TEMPORARY INVESTMENTS IN SHORT-TERM
                 MUNICIPAL SECURITIES - 1.1%
$   15,000,000   Harris County Health Facilities Development
                   Corporation (The Methodist Hospital),
                   Variable Rate Demand Bonds, 3.450%, 12/01/25+                                    A-1+       15,000,000
     3,400,000   Hillsborough County Industrial Development
                   Authority (Tampa Electric Company),
                   Variable Rate Demand Bonds, 3.450%, 9/01/25+                                     Aa-2        3,400,000
     7,200,000   Metropolitan Nashville Airport Authority, Special
                   Facilities (American Airlines), Variable Rate
                   Demand Bonds, 3.500%, 10/01/12+                                                  A-1+        7,200,000
- -------------------------------------------------------------------------------------------------------------------------
</TABLE>

                                      21
<PAGE>
 
PORTFOLIO OF INVESTMENTS

NUVEEN MUNICIPAL BOND FUND-CONTINUED
<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                     OPT. CALL                                   MARKET
AMOUNT              DESCRIPTION                                             PROVISIONS*              RATINGS**             VALUE
- -----------------------------------------------------------------------------------------------------------------------------------
<S>                 <C>                                                     <C>                     <C>         <C>

                    TEMPORARY INVESTMENTS IN SHORT-TERM
                    MUNICIPAL SECURITIES (CONTINUED)
$   2,800,000       Monroe County Economic Development Corporation,
                      Pollution Control (The Detroit Edison Company),
                      Variable Rate Demand Bonds, 3.350%, 10/01/24+                                     VMIG-1   $     2,800,000
    3,200,000       New York City General Obligation, Fiscal 1995B-B6,
                      Insured, Adjustable Rate Demand Bonds,
                      3.450%, 8/15/05+                                                                  VMIG-1         3,200,000
- -----------------------------------------------------------------------------------------------------------------------------------
$  31,600,000       Total Temporary Investments - 1.1%                                                                31,600,000
- -----------------------------------------------------------------------------------------------------------------------------------
                    Other Assets Less Liabilities - 1.7%                                                              50,067,106
- -----------------------------------------------------------------------------------------------------------------------------------
                    Net Assets - 100%                                                                            $ 2,917,645,307
===================================================================================================================================
</TABLE>
 
<TABLE> 
- -----------------------------------------------------------------------------------------------------------------------------------
                                                                                 NUMBER                 MARKET            MARKET
                    STANDARD & POOR'S                       MOODY'S           OF ISSUES                  VALUE           PERCENT
- -----------------------------------------------------------------------------------------------------------------------------------
<S>                 <C>                      <C>                              <C>             <C>                        <C>

SUMMARY OF                       AAA                            Aaa                  78       $    934,014,456                32%
RATINGS**              AA+, AA, AA--              Aa1, Aa, Aa2, Aa3                  74          1,037,562,805                37
PORTFOLIO OF                      A+                             A1                  20            333,572,856                12
INVESTMENTS                   A, A--                      A, A2, A3                  26            367,144,188                13
(EXCLUDING          BBB+, BBB, BBB--          Baa1, Baa, Baa2, Baa3                  16            154,830,940                 5
TEMPORARY                  Non-rated                      Non-rated                   2              8,852,956                 1
INVESTMENTS):
- ------------------------------------------------------------------------------------------------------------------------------------
TOTAL                                                                               216       $  2,835,978,201               100%
====================================================================================================================================
</TABLE>

* Optional Call Provisions (not covered by the report of independent public
accountants): Dates (month and year) and prices of the earliest optional call or
redemption. There may be other call provisions at varying prices at later dates.

** Ratings (not covered by the report of independent public accountants): Using
the higher of Standard & Poor's or Moody's rating.
N/R - Investment is not rated.

+ The security has a maturity of more than one year, but has variable rate and
demand features which qualify it as a short-term security. The rate disclosed is
that currently in effect. This rate changes periodically based on market
conditions or a specified market index.

See accompanying notes to financial statements.

                                       22
<PAGE>
   
                                      NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                               FEBRUARY 29, 1996

NUVEEN INSURED MUNICIPAL BOND FUND

<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                      OPT. CALL                                     MARKET
AMOUNT                DESCRIPTION                                            PROVISIONS*           RATINGS**                  VALUE
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                   <C>                                                   <C>                    <C>                <C>
                      ALABAMA - 5.5%
$   2,120,000         Albertville Water Supply Board, 6.700%, 3/01/11        3/02 at 102                 Aaa          $   2,354,599
    3,500,000         Athens Electric, 6.000%, 6/01/25                       6/05 at 102                 Aaa              3,649,555
    4,795,000         Auburn Government Utility Services Corporation,
                        Wastewater Treatment, 7.300%, 1/01/21               12/99 at 102                 Aaa              5,283,227
    1,875,000         Birmingham Special Care Facilities Financing
                        Authority (Baptist Medical Center),
                        7.000%, 1/01/21                                      1/01 at 102                 Aaa              2,070,169
                      Daphne Utilities Board, Water, Gas and Sewer:
    1,255,000           7.350%, 6/01/20 (Pre-refunded to 6/01/00)            6/00 at 102                 Aaa              1,429,571
    1,225,000           7.350%, 6/01/20                                      6/00 at 102                 Aaa              1,377,219
                      Madison General Obligation:
    3,000,000           6.250%, 2/01/19                                      2/04 at 102                 Aaa              3,192,570
    5,500,000           6.000%, 4/01/23                                      4/05 at 102                 Aaa              5,751,295
    3,000,000         Mobile County General Obligation,
                        6.700%, 2/01/11 (Pre-refunded to 2/01/00)            2/00 at 102                 Aaa              3,321,780
    3,000,000         Oneanta Utilities Board, 6.900%, 11/01/24             11/04 at 102                 Aaa              3,409,740
                      Orange Beach Water and Sewer and Fire Authority:
    3,000,000           5.375%, 5/15/15                                      5/05 at 102                 Aaa              2,919,180
    4,500,000           5.400%, 5/15/20                                      5/05 at 102                 Aaa              4,360,815
                      West Morgan-East Lawrence Water Authority:
    2,200,000           6.800%, 8/15/19                                      8/04 at 102                 Aaa              2,487,166
    3,000,000           6.850%, 8/15/25                                      8/04 at 102                 Aaa              3,410,700
- -----------------------------------------------------------------------------------------------------------------------------------
                      ALASKA - 0.6%
    5,000,000         Anchorage General Obligation, 5.600%, 1/01/14          1/04 at 100                 Aaa              4,935,800
- -----------------------------------------------------------------------------------------------------------------------------------
                      ARIZONA - 1.2%
    3,180,000         Maricopa County Industrial Development
                        Authority (Baptist Hospital), 5.500%, 9/01/13        9/05 at 101                 Aaa              3,197,490
    6,000,000         Tempe Union High School District No. 213,
                        General Obligation, 6.000%, 7/01/10                  7/04 at 101                 Aaa              6,412,560
- -----------------------------------------------------------------------------------------------------------------------------------
                      ARKANSAS - 0.3%
    2,000,000         Saline County (Saline Memorial Hospital),
                        6.000%, 9/01/19                                      9/05 at 102                 AAA              2,062,900
- ------------------------------------------------------------------------------------------------------------------------------------
                      CALIFORNIA - 9.5%
    3,525,000         Brea Public Financing Authority, Tax Allocation,
                        7.000%, 8/01/15 (Pre-refunded to 8/01/01)            8/01 at 102                 Aaa              4,053,433
    5,000,000         Brea Redevelopment Agency, Tax Allocation,
                        5.750%, 8/01/23                                      8/03 at 102                 Aaa              5,037,700
    4,150,000         Fairfield Public Finance Authority,
                        5.500%, 8/01/23                                      8/03 at 102                 Aaa              4,072,022
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

                                      23
<PAGE>
 
PORTFOLIO OF INVESTMENTS

NUVEEN INSURED MUNICIPAL BOND FUND-CONTINUED
<TABLE> 
<CAPTION> 
- ------------------------------------------------------------------------------------------------------------- 
PRINCIPAL                                                                OPT. CALL                     MARKET
AMOUNT         DESCRIPTION                                             PROVISIONS*  RATINGS**           VALUE
- ------------------------------------------------------------------------------------------------------------- 
<C>            <S>                                                    <C>           <C>         <C>
               CALIFORNIA (CONTINUED)
$ 2,500,000    Los Angeles Community Redevelopment Agency
                (Bunker Hill Project), 5.600%, 12/01/28               12/03 at 102        Aaa   $   2,450,125
 14,740,000    Los Angeles Convention and Exhibition Center
                Authority, 5.375%, 8/15/18                             8/03 at 102        Aaa      14,218,351
  4,500,000    M-S-R Public Power Agency, San Juan Project,
                6.000%, 7/01/20                                        7/03 at 102        Aaa       4,687,245
 13,750,000    Ontario Redevelopment Financing Authority,
                5.800%, 8/01/23                                        8/03 at 102        Aaa      14,470,638
  5,295,000    Riverside County Desert Justice Facility
                Corporation, Certificates of Participation,
                6.000%, 12/01/12                                      12/04 at 101        Aaa       5,530,945
  2,250,000    Sacramento Municipal Utility District,
                Electric System, 6.500%, 9/01/21
                (Pre-refunded to 9/01/01)                              9/01 at 102        Aaa       2,536,628
  7,500,000    San Bernardino, Joint Powers Finance Authority,
                Tax Allocation, 5.750%, 10/01/25                      10/05 at 102        Aaa       7,483,650
  1,750,000    San Bernadino, Certificates of Participation,
                5.500%, 8/01/22                                        8/05 at 102        Aaa       1,705,918
 10,000,000    University of California, 6.375%, 9/01/24               9/02 at 102        Aaa      10,696,600
- -------------------------------------------------------------------------------------------------------------
               COLORADO - 2.3%
  6,000,000    Colorado Health Facilities Authority
                (Children's Hospital Association),
                5.250%, 10/01/26                                      10/06 at 101        Aaa       5,714,940
  4,000,000    Colorado Springs (Memorial Hospital),
                6.000%, 12/15/24                                      12/05 at 102        Aaa       4,155,640
  4,500,000    Denver Board of Water Commissioners,
                Certificates of Participation, 6.625%, 11/15/11       11/01 at 101        Aaa       4,952,925
  3,500,000    Jefferson County Equipment Lease, Certificates
                of Participation, 6.650%, 12/01/08                    12/02 at 102        Aaa       3,927,875
- -------------------------------------------------------------------------------------------------------------
               DELAWARE - 0.5%
  3,600,000    Delaware Economic Development Authority,
                Pollution Control (Delmarva Power and
                Light Company), 6.750%, 5/01/19                        5/02 at 102        Aaa       4,005,144
- -------------------------------------------------------------------------------------------------------------
               DISTRICT OF COLUMBIA - 1.1%
               District of Columbia General Obligation:
  2,500,000     7.500%, 6/01/10 (Pre-refunded to 6/01/00)              6/00 at 102        Aaa       2,862,225
  6,000,000     6.100%, 6/01/11                                        6/04 at 102        Aaa       6,245,280
- -------------------------------------------------------------------------------------------------------------
</TABLE>
 
                                      24

<PAGE>

<TABLE> 
<CAPTION> 
 
                                                                                 NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                                                                          FEBRUARY 29, 1996
 
- ---------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                   OPT. CALL                                MARKET
AMOUNT           DESCRIPTION                                              PROVISIONS*         RATINGS**               VALUE
- ---------------------------------------------------------------------------------------------------------------------------
<S>              <C>                                                     <C>                  <C>            <C>  
                 FLORIDA - 1.5%
                 Florida Keys Aqueduct Authority:
$      920,000    6.750%, 9/01/21 (Pre-refunded to 9/01/01)               9/01 at 101               Aaa      $    1,040,603
        80,000    6.750%, 9/01/21                                         9/01 at 101               Aaa              88,391
                 Brevard County Utility System:
     1,520,000    7.375%, 3/01/14 (Pre-refunded to 3/01/98)               3/98 at 102               Aaa           1,656,131
       295,000    7.375%, 3/01/14                                         3/98 at 102               Aaa             317,995
     2,750,000   Lakeland (Lakeland Regional Medical
                  Center), 5.250% 11/15/25 (WI)                          11/06 at 102               Aaa           2,624,573
     3,500,000   Sarasota County Utility System,
                  5.250%, 10/01/25 (WI)                                  10/06 at 102               Aaa           3,360,350
     2,405,000   South Broward Hospital District,
                  7.500%, 5/01/08                                         5/03 at 102               Aaa           2,852,522
- ---------------------------------------------------------------------------------------------------------------------------

                 GEORGIA - 2.8%
     1,000,000   Georgia Municipal Electric Authority,
                  6.500%, 1/01/26                                         1/04 at 102               Aaa           1,086,310
     5,000,000   Albany Sewerage System, 6.625%, 7/01/17                  7/02 at 102               Aaa           5,548,400
     5,000,000   Appling County Development Authority
                  (Oglethorpe Power Corporation), 7.150%, 1/01/21         1/04 at 101               Aaa           5,718,350
     1,000,000   Atlanta Board of Education, Certificates of
                  Participation, 7.125%, 6/01/12
                  (Pre-refunded to 6/01/00)                               6/00 at 102               Aaa           1,130,410
     2,250,000   Chatham County Hospital Authority
                  (Savannah Memorial Medical Center),
                  7.000%, 1/01/21                                         1/01 at 102               Aaa           2,513,115
                 Marietta Development Authority (Life College):
     2,590,000    5.950%, 9/01/19                                         9/05 at 102               Aaa           2,755,113
     3,770,000    6.250%, 9/01/25                                         9/05 at 102               Aaa           3,869,528
- ---------------------------------------------------------------------------------------------------------------------------
                
                 ILLINOIS - 16.3%
                 Illinois General Obligation:
     3,065,000    6.100%, 2/01/19                                         2/05 at 102               Aaa           3,218,189
     5,000,000    5.875%, 8/01/19                                         8/04 at 102              AA--           5,054,100
     5,545,000    6.100%, 2/01/20                                         2/05 at 102               Aaa           5,822,139
     6,750,000   Illinois Health Facilities Authority
                  (Methodist Health Services), 8.000%, 8/01/15            2/99 at 103               Aaa           7,568,573
     4,500,000   Illinois Health Facilities Authority
                  (The Children's Memorial Hospital),
                  5.000%, 8/15/22                                         8/03 at 102               Aaa           4,074,975
     3,000,000   Illinois Health Facilities Authority
                  (The University of Chicago Hospitals),
                  6.125%, 8/15/24                                         8/04 at 102               Aaa           3,134,220
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

                                       25
<PAGE>
 
PORTFOLIO OF INVESTMENTS

NUVEEN INSURED MUNICIPAL BOND FUND--CONTINUED
<TABLE>
<CAPTION>

- ---------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                   OPT. CALL                                MARKET
AMOUNT           DESCRIPTION                                              PROVISIONS*         RATINGS**               VALUE
- ---------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                      <C>                 <C>             <C>
                 ILLINOIS (CONTINUED)
                 Illinois Health Facilities Authority (Ingalls Health
                  System):
$    7,000,000    6.250%, 5/15/14                                         5/04 at 102               Aaa      $    7,402,500
     2,100,000    7.000%, 1/01/19 (Pre-refunded to 1/01/00)               1/00 at 102               Aaa           2,355,675
     4,500,000    6.250%, 5/15/24                                         5/04 at 102               Aaa           4,712,175
     4,000,000   Illinois Health Facilities Authority
                  (Northwestern Medical Faculty
                  Foundation), 6.500%, 11/15/15                          11/04 at 102               Aaa           4,377,360
                 Illinois Health Facilities Authority (Community
                  Provider Pooled Loan):
        33,000    7.900%, 8/15/03 (Pre-refunded to 8/15/96)               8/96 at 102               Aaa              34,346
       162,000    7.900%, 8/15/03                                        No Opt. Call               Aaa             190,732
     1,268,000    7.900%, 8/15/03                                         8/99 at 100               Aaa           1,297,912
     5,000,000   Illinois Participations--Department of Central
                  Management Services--Public Aid,
                  5.650%, 7/01/17                                         7/06 at 102               Aaa           4,953,700
     7,705,000   Illinois State Toll Highway Authority,
                  6.200%, 1/01/16                                         1/03 at 102               Aaa           8,119,221
     1,910,000   Berwyn (MacNeal Memorial Hospital),
                  5.500%, 6/01/15                                         6/06 at 102               Aaa           1,866,605
     2,500,000   Chicago General Obligation (Central Public
                  Library Project), 6.850%, 1/01/17
                  (Pre-refunded to 7/01/02)                           7/02 at 101 1/2               Aaa           2,866,875
                 Chicago General Obligation:
     5,000,000    6.250%, 1/01/12                                         1/02 at 102               Aaa           5,292,800
     5,800,000    5.875%, 1/01/22                                         1/02 at 102               Aaa           5,846,516
     1,500,000   Chicago Public Building Commission
                  (Community College District No. 508),
                  7.700%, 1/01/08                                         1/98 at 102               Aaa           1,657,335
    23,300,000   Chicago Public Building Commission
                  (Board of Education), 5.750%, 12/01/18                 12/03 at 102               Aaa          23,195,150
     6,540,000   Cicero General Obligation, 6.400%, 12/01/14             12/04 at 102               Aaa           6,998,716
                 Cook County School District No. 25
                  (Arlington Heights), Certificates of Participation:
     1,400,000    5.300%, 5/01/06                                        No Opt. Call               Aaa           1,439,816
     4,200,000    5.700%, 5/01/13                                         5/06 at 102               Aaa           4,245,948
     2,500,000   Community College District No. 508, Cook County,
                  8.750%, 1/01/07                                        No Opt. Call               Aaa           3,302,925
     2,370,000   Eastern Illinois University, 6.375%, 4/01/16             4/04 at 102               Aaa           2,533,530
     7,570,000   Franklin Park General Obligation, 5.500%, 7/01/22        7/04 at 102               Aaa           7,369,244
     4,000,000   Regional Transportation Authority, General
                  Obligation, 5.850%, 6/01/23                             6/03 at 102               Aaa           4,038,000
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE> 
 
 

                                       26
<PAGE>

<TABLE> 
<CAPTION> 

                                                                                 NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                                                                          FEBRUARY 29, 1996
 
- ---------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                   OPT. CALL                                MARKET
AMOUNT           DESCRIPTION                                              PROVISIONS*         RATINGS**               VALUE
- ---------------------------------------------------------------------------------------------------------------------------
<S>              <C>                                                      <C>                 <C>            <C> 
                 INDIANA - 5.2%
                 Indiana Health Facilities Financing Authority
                  (Community Hospitals Project):
$    5,000,000    6.400%, 5/01/12                                         5/02 at 102               Aaa      $    5,331,500
     3,000,000    5.600%, 5/15/14                                         5/06 at 102               Aaa           2,971,020
                 Indiana Municipal Power Agency,
                  Power Supply System:
     1,000,000    7.100%, 1/01/15 (Pre-refunded to 1/01/00)               1/00 at 102               Aaa           1,121,460
     5,000,000    6.125%, 1/01/19                                         1/03 at 102               Aaa           5,168,250
     3,750,000   Indianapolis Gas Utility System, 6.200%, 6/01/23         6/02 at 102               Aaa           3,915,600
     5,350,000   Jasper County Pollution Control (Northern Indiana
                  Public Service Company), 7.100%, 7/01/17                7/01 at 102               Aaa           5,969,851
     2,000,000   Lawrence Central High School Building
                  Corporation, First Mortgage,
                  7.250%, 7/01/08 (Pre-refunded to 7/01/00)               7/00 at 102               Aaa           2,274,620
     3,300,000   Marion County Convention and Recreational
                  Facilities Authority, 7.000%, 6/01/21
                  (Pre-refunded  to 6/01/01)                              6/01 at 102               Aaa           3,771,009
     2,250,000   Monroe County Hospital Authority (Bloomington
                  Hospital), 7.125%, 5/01/11                              5/99 at 101               Aaa           2,440,395
     1,000,000   Princeton Pollution Control (Public Service
                  Company of Indiana), 7.375%, 3/15/12                    3/00 at 102               Aaa           1,119,730
     2,000,000   St. Joseph County Hospital Authority (Memorial
                  Hospital of South Bend), 7.000%, 8/15/20                8/01 at 102               Aaa           2,225,180
     2,190,000   Shelby County Jail Building Corporation, First
                  Mortgage, 6.500%, 7/15/09                               7/02 at 102               Aaa           2,411,321
     1,380,000   South Bend Community School Corporation,
                  Edison School Building Corporation, First
                  Mortgage, 6.650%, 1/15/14                               7/00 at 100               Aaa           1,514,992
     2,265,000   Southwest Allen Multi-School Building Corporation,
                  6.375%, 1/15/09                                         1/02 at 101               Aaa           2,419,043
- ---------------------------------------------------------------------------------------------------------------------------
                 KENTUCKY - 0.1%
     1,000,000   Louisville and Jefferson County Metropolitan
                  Sewer District, 7.350%, 5/01/19
                  (Pre-refunded to 5/01/00)                               5/00 at 102               Aaa           1,136,970
- ---------------------------------------------------------------------------------------------------------------------------
                 LOUISIANA - 2.9%
                 Louisiana General Obligation:
     5,000,000    6.500%, 5/01/09                                         5/02 at 102               Aaa           5,519,400
     2,000,000    6.500%, 5/01/12                                         5/02 at 102               Aaa           2,199,860
     7,000,000   Louisiana Public Facilities Authority
                  (Southern Baptist Hospital),
                  6.800%, 5/15/12 (Pre-refunded to 5/15/02)               5/02 at 102               Aaa           8,018,850
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

                                       27
<PAGE>
 
PORTFOLIO OF INVESTMENTS

NUVEEN INSURED MUNICIPAL BOND FUND--CONTINUED
<TABLE>
<CAPTION>
 
- ---------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                   OPT. CALL                                MARKET
AMOUNT           DESCRIPTION                                              PROVISIONS*         RATINGS**               VALUE
- ---------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                      <C>                 <C>            <C>
                 LOUISIANA (CONTINUED)
$    1,635,000   Louisiana Public Facilities Authority
                  (West Jefferson Medical Center), 7.900%, 12/01/15      12/98 at 102               Aaa      $    1,813,297
                 Tangipahoa Parish Hospital Service District No. 1:
     4,750,000    6.250%, 2/01/24                                         2/04 at 102               Aaa           5,017,520
     1,250,000    6.125%, 2/01/14                                         2/04 at 102               Aaa           1,315,413
- ---------------------------------------------------------------------------------------------------------------------------
                 MAINE - 2.1%
                 Maine Health and Higher Educational Facilities
                  Authority:
     3,175,000    7.000%, 7/01/24                                         7/04 at 102               Aaa           3,616,230
    11,500,000    5.875%, 7/01/25                                         7/05 at 102               Aaa          11,756,910
                 Old Orchard Beach General Obligation:
       750,000    6.650%, 9/01/09                                         9/02 at 103               Aaa             842,145
       500,000    6.650%, 9/01/10                                         9/02 at 103               Aaa             560,235
- ---------------------------------------------------------------------------------------------------------------------------
                 MARYLAND - 0.1%
     1,000,000   Morgan State University, Academic and Auxiliary
                  Fees, 7.000%, 7/01/20 (Pre-refunded to 7/01/00)         7/00 at 102               Aaa           1,127,480
- ---------------------------------------------------------------------------------------------------------------------------
                 MASSACHUSETTS - 3.8%
     1,250,000   Massachusetts Bay Transportation Authority,
                  Certificates of Participation, 7.650%, 8/01/15
                  (Pre-refunded to 8/01/00)                               8/00 at 102               Aaa           1,444,238
     2,000,000   Massachusetts Health and Educational Facilities
                  Authority (Capital Asset Program),
                  7.300%, 10/01/18                                        4/00 at 102               Aaa           2,224,760
     3,400,000   Massachusetts Health and Educational Facilities
                  Authority (New England Medical Center),
                  6.625%, 7/01/25                                         7/02 at 102               Aaa           3,770,940
     4,000,000   Massachusetts Health and Educational Facilities
                  Authority (South Shore Hospital),
                  6.500%, 7/01/22                                         7/02 at 102               Aaa           4,384,120
     1,000,000   Massachusetts Health and Educational Facilities
                  Authority (Falmouth Hospital),
                  5.625%, 7/01/11                                         7/03 at 102               Aaa           1,015,890
     2,800,000   Massachusetts Health and Educational Facilities
                  Authority (Lahey Clinic Medical Center),
                  5.625%, 7/01/15                                         7/03 at 102               Aaa           2,770,488
     5,875,000   Massachusetts Health and Educational Facilities
                  Authority (Cape Cod Health System),
                  5.250%, 11/15/21                                       11/03 at 102               AAA           5,516,214
     4,000,000   Massachusetts Health and Educational Facilities
                  Authority (Berkshire Health System),
                  6.000%, 10/01/19                                       10/05 at 102               Aaa           4,150,400
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE> 
 
                                        28
<PAGE>

<TABLE> 
<CAPTION> 
 
                                                                                 NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                                                                          FEBRUARY 29, 1996
 
- ---------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                   OPT. CALL                                MARKET
AMOUNT           DESCRIPTION                                              PROVISIONS*         RATINGS**               VALUE
- ---------------------------------------------------------------------------------------------------------------------------
<S>              <C>                                                      <C>                 <C>           <C> 
                 MASSACHUSETTS (CONTINUED)
$    3,500,000   Boston City Hospital (FHA-Insured Mortgage),
                  7.625%, 2/15/21 (Pre-refunded to 8/15/00)               8/00 at 102               Aaa      $    3,997,980
     1,150,000   Haverville General Obligation, 7.000%, 6/15/12           6/02 at 102               Aaa           1,295,291
- ---------------------------------------------------------------------------------------------------------------------------
                 MICHIGAN - 5.8%
     2,400,000   Michigan State Hospital Finance Authority
                  (Henry Ford Health System), 5.750%, 9/01/17             9/02 at 102               Aaa           2,398,512
     5,475,000   Michigan State Trunk Line, 5.500%, 10/01/21             10/02 at 100               Aaa           5,382,473
     2,000,000   Michigan Strategic Fund (The Detroit Edison
                  Company), 6.875%, 12/01/21                             12/01 at 102               Aaa           2,244,860
    12,130,000   Bay City General Obligation, Unlimited Tax,
                  0.000%, 6/01/21                                        No Opt. Call               Aaa           2,848,488
     5,000,000   Caledonia Community Schools General
                  Obligation, 6.700%, 5/01/22
                  (Pre-refunded to 5/01/02)                               5/02 at 102               Aaa           5,697,600
     2,500,000   Chelsea School District, Counties of Washtenaw and
                  Jackson, General Obligation,
                  6.000%, 5/01/19                                         5/05 at 101               Aaa           2,595,175
     2,000,000   Detroit Sewage Disposal System,
                  6.625%, 7/01/21 (Pre-refunded to 7/01/01)               7/01 at 102               Aaa           2,253,500
     6,905,000   Detroit Water Supply System, 5.500%, 7/01/25             7/05 at 101               Aaa           6,781,124
     8,000,000   Livonia Public School District, General
                  Obligation, 5.500%, 5/01/21                             5/03 at 102               Aaa           7,865,520
     3,405,000   Oakland University, 5.750%, 5/15/26                      5/05 at 102               Aaa           3,436,905
     6,085,000   River Rouge School District, Unlimited Tax,
                  5.625%, 5/01/22                                     5/03 at 101 1/2               Aaa           6,059,686
- ---------------------------------------------------------------------------------------------------------------------------
                 MISSISSIPPI - 0.8%
     6,400,000   Medical Center Educational Building Corporation
                  (University of Mississippi Medical Center Project),
                  5.900%, 12/01/23                                       12/04 at 102               Aaa           6,545,152
- ---------------------------------------------------------------------------------------------------------------------------
                 NEVADA - 0.8%
     2,500,000   Churchill County (Western Health Network),
                  6.000%, 1/01/24                                         1/04 at 102               Aaa           2,587,075
     2,000,000   Clark County Industrial Development (Nevada
                  Power Company), 7.200%, 10/01/22                       10/02 at 102               Aaa           2,273,800
     1,160,000   University of Nevada System, 7.125%, 7/01/16
                  (Pre-refunded to 7/01/00)                               7/00 at 102               Aaa           1,313,584
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

                                       29
<PAGE>
 
PORTFOLIO OF INVESTMENTS

NUVEEN INSURED MUNICIPAL BOND FUND--CONTINUED
<TABLE>
<CAPTION>

- ---------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                   OPT. CALL                                MARKET
AMOUNT           DESCRIPTION                                              PROVISIONS*         RATINGS**               VALUE
- ---------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                      <C>                 <C>            <C>
                 NEW HAMPSHIRE - 0.4%
$    2,850,000   New Hampshire Higher Education and
                  Health Facilities Authority, University System
                  6.250%, 7/01/20                                         7/02 at 102               Aaa      $    3,019,518
- ---------------------------------------------------------------------------------------------------------------------------
                 NEW JERSEY - 0.4%
     1,480,000   New Jersey Housing and Mortgage Finance Agency,
                  Home Mortgage Purchase, 8.100%, 10/01/07                4/98 at 103               Aaa           1,573,654
     1,955,000   Pennsauken Township Housing Finance
                  Corporation, 8.000%, 4/01/11                            4/05 at 100               Aaa           2,065,712
- ---------------------------------------------------------------------------------------------------------------------------
                 NEW MEXICO - 1.0%
     3,000,000   Albuquerque Hospital System (Presbyterian
                  Healthcare Services), 6.600%, 8/01/07                   8/97 at 102               Aaa           3,167,910
     4,445,000   Farmington Pollution Control (Public Service
                  Company of New Mexico), 6.375%, 12/15/22               12/02 at 102               Aaa           4,777,842
- ---------------------------------------------------------------------------------------------------------------------------
                 NEW YORK - 12.2%
     6,530,000   New York State Medical Care Facilities
                  Finance Agency, Mental Health Services,
                  Facilities Improvement, 5.900%, 8/15/22                 8/02 at 102               Aaa           6,662,624
     3,255,000   New York State Thruway Authority,
                  5.500%, 1/01/23                                         1/02 at 100               Aaa           3,189,900
     3,000,000   Dormitory Authority of the State of New York
                  (City University), 5.750%, 7/01/18                     No Opt. Call               Aaa           3,113,220
     8,375,000   Dormitory Authority of the State of New York
                  (Mount Sinai School of Medicine), 5.000%, 7/01/21       7/04 at 102               Aaa           7,800,140
                 Metropolitan Transportation Authority, Commuter
                  Facilities:
     4,955,000    6.250%. 7/01/17                                         7/02 at 102               Aaa           5,273,706
     5,000,000    6.375%, 7/01/18                                     7/04 at 101 1/2               Aaa           5,387,250
     6,925,000    6.250%, 7/01/22                                         7/02 at 102               Aaa           7,332,121
                 New York City General Obligation:
     5,715,000    6.625%, 8/01/12 (Pre-refunded to 8/01/02)           8/02 at 101 1/2               Aaa           6,525,673
       285,000    6.625%, 8/01/12                                     8/02 at 101 1/2               Aaa             315,344
     3,010,000    6.000%, 5/15/16                                     5/03 at 101 1/2               Aaa           3,131,664
     3,750,000    7.000%, 2/01/18                                     2/02 at 101 1/2               Aaa           4,197,750
     6,795,000   New York City Health and Hospitals
                  Corporation, Health System, 5.750%, 2/15/22             2/03 at 102               Aaa           6,781,138
     6,330,000   New York City Municipal Water Finance Authority,
                  6.750%, 6/15/16                                         6/01 at 101               Aaa           7,016,256
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

                                       30
<PAGE>
 
<TABLE>
<CAPTION>
 
 
                                                                                 NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                                                                          FEBRUARY 29, 1996

- ---------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                   OPT. CALL                                MARKET
AMOUNT           DESCRIPTION                                              PROVISIONS*         RATINGS**               VALUE
- ---------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                      <C>                 <C>            <C>  
                 NEW YORK (CONTINUED)
                 New York City Municipal Water Finance
                  Authority, Water and Sewer System:
$    4,155,000    6.750%, 6/15/14 (Pre-refunded to 6/15/99)           6/99 at 101 1/2               Aaa      $    4,562,855
     2,025,000    6.750%, 6/15/14                                     6/99 at 101 1/2               Aaa           2,196,578
     4,470,000    5.750%, 6/15/18                                     6/02 at 101 1/2               Aaa           4,509,157
     1,000,000   New York City Transit Authority, Transit
                  Facilities (Livingston Plaza Project),
                  7.500%, 1/01/20 (Pre-refunded to 1/01/00)               1/00 at 102               Aaa           1,137,820
     3,900,000   New York City Transit Authority, Transit Facilities,
                  5.400%, 1/01/18                                        No Opt. Call               Aaa           3,872,505
                 New York City Industrial Development Agency,
                  Civic Facility (USTA National Tennis Center
                  Incorporated Project):
     3,500,000    6.500%, 11/15/10                                       11/04 at 102               Aaa           3,884,685
     3,000,000    6.600%, 11/15/11                                       11/04 at 102               Aaa           3,364,140
                 Triborough Bridge and Tunnel Authority,
                  Special Obligation:
     5,240,000    6.875%, 1/01/15                                         1/01 at 102               Aaa           5,819,858
     3,015,000    5.500%, 1/01/17                                         1/02 at 100               Aaa           2,961,574
- ---------------------------------------------------------------------------------------------------------------------------
                 NORTH CAROLINA - 0.4%
     3,500,000   Randolph County Certificate of Participation,
                  5.300%, 6/01/15                                         6/05 at 102               Aaa           3,394,965
- ---------------------------------------------------------------------------------------------------------------------------
                 OHIO - 0.5%
     1,000,000   Columbus City School District, General Obligation,
                  Unlimited Tax, 7.000%, 12/01/11 (Pre-refunded
                  to 12/01/00)                                           12/00 at 102               Aaa           1,136,820
     2,500,000   Dublin City School District, General
                  Obligation, 6.200%, 12/01/19                           12/02 at 102               Aaa           2,656,650
- ---------------------------------------------------------------------------------------------------------------------------
                 OKLAHOMA - 0.7%
     5,000,000   Oklahoma Industries Authority (Baptist
                  Center-South Oklahoma City Hospital),
                  6.250%, 8/15/12                                         8/05 at 102               Aaa           5,383,950
       375,000   Muskogee County Home Finance Authority,
                  Single Family Mortgage, 7.600%, 12/01/10                6/00 at 102               Aaa             397,718
- ---------------------------------------------------------------------------------------------------------------------------
                 PENNSYLVANIA - 3.1%
     3,550,000   Berks County General Obligation,
                  5.850%, 11/15/18                                       11/05 at 100               Aaa           3,643,507
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

                                       31
<PAGE>
      
PORTFOLIO OF INVESTMENTS

NUVEEN INSURED MUNICIPAL BOND FUND--CONTINUED
<TABLE>
<CAPTION>

- ---------------------------------------------------------------------------------------------------------------------------
PRINCIPAL                                                                   OPT. CALL                                MARKET
AMOUNT           DESCRIPTION                                              PROVISIONS*         RATINGS**               VALUE
- ---------------------------------------------------------------------------------------------------------------------------
<S>             <C>                                                      <C>                  <C>           <C>
                 PENNSYLVANIA (CONTINUED)
$    5,000,000   Lehigh County General Purpose Authority
                  (St. Luke's Hospital of Bethlehem),
                  6.250%, 7/01/22                                         7/02 at 102               Aaa      $    5,290,500
     3,000,000   North Pennsylvania Water Authority,
                  7.000%, 11/01/24 (Pre-refunded to 11/01/04)            11/04 at 101               Aaa           3,534,810
     7,500,000   Philadelphia Water and Wastewater System,
                  5.500%, 6/15/14                                         6/03 at 102               Aaa           7,292,925
     3,900,000   Philadelphia Municipal Authority, Justice
                  Lease, 7.125%, 11/15/18 (Pre-refunded to
                  11/15/01)                                              11/01 at 102               Aaa           4,517,799
     1,000,000   Washington County Hospital Authority,
                  Hospital Refunding, 7.150%, 7/01/17                     7/00 at 102               Aaa           1,107,460
- ---------------------------------------------------------------------------------------------------------------------------
                 RHODE ISLAND - 2.7%
                 Rhode Island Depositors Economic
                  Protection Corporation, Special Obligation:
     7,950,000    6.000%, 8/01/17                                         8/03 at 102               Aaa           8,188,739
     2,250,000    6.625%, 8/01/19 (Pre-refunded to 8/01/02)               8/02 at 102               Aaa           2,564,078
     2,500,000   Rhode Island Health and Educational
                  Building Corporation, Higher
                  Education, Auxiliary Enterprise,
                  5.250%, 9/15/23                                         9/03 at 102               Aaa           2,372,775
     4,000,000   Cranston General Obligation, 7.200%, 7/15/11
                  (Pre-refunded to 7/15/01)                           7/01 at 101 1/2               Aaa           4,603,320
     3,130,000   Kent County Water Authority, 6.350%, 7/15/14             7/04 at 102               Aaa           3,372,669
     1,000,000   Providence Housing Development Corporation,
                  FHA-Insured (Barbara Jordan Apartments),
                  6.650%, 7/01/15                                         7/04 at 102               Aaa           1,060,510
- ---------------------------------------------------------------------------------------------------------------------------
                 SOUTH CAROLINA - 2.9%
     1,000,000   Aiken Water and Sewer System, 7.250%, 1/01/14            1/00 at 102               Aaa           1,111,430
     7,000,000   Berkeley County School District, Certificates of
                  Participation, 5.250%, 2/01/16                          2/06 at 101               Aaa           6,703,690
                 Charleston County Public Facilities Corporation,
                  Certificates of Participation:
     1,500,000    6.875%, 6/01/14                                         6/04 at 102               Aaa           1,702,125
     2,500,000    7.000%, 6/01/19                                         6/04 at 102               Aaa           2,854,100
     7,000,000    5.500%, 12/01/20                                        6/05 at 101               Aaa           6,828,430
                 Rock Hill Combined Utility System:
     2,000,000    6.375%, 1/01/15                                         1/01 at 102               Aaa           2,123,800
     2,000,000    7.000%, 1/01/20 (Pre-refunded to 1/01/00)               1/00 at 102               Aaa           2,235,880
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE> 

                                      32 
<PAGE>

<TABLE> 
<CAPTION> 
                                                                          NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                                                                   FEBRUARY 29, 1996

 
PRINCIPAL                                                                   OPT. CALL                         MARKET
AMOUNT            DESCRIPTION                                             PROVISIONS*    RATINGS**             VALUE
- --------------------------------------------------------------------------------------------------------------------
<S>               <C>                                                    <C>             <C>          <C> 
                  SOUTH DAKOTA - 0.1%
$    1,000,000    South Dakota Health and Educational Facilities
                   Authority (McKennan Hospital), 7.250%, 7/01/15         7/00 at 102          Aaa    $    1,112,170
- --------------------------------------------------------------------------------------------------------------------
                  TENNESSEE - 0.1%
     1,000,000    White House Utility District of Robertson and
                   Sumner Counties, 6.375%, 1/01/22                       1/02 at 102          Aaa         1,073,510
- --------------------------------------------------------------------------------------------------------------------
                  TEXAS - 4.8%
     6,080,000    Texas Health Facilities Development Corporation
                   (All Saints Episcopal Hospitals of Fort Worth),
                   6.250%, 8/15/22                                        8/03 at 102          Aaa         6,475,018
        655,000   Texas Housing Agency, Single Family Mortgage,
                   7.875%, 9/01/17                                        9/96 at 102           Aa           673,340
    10,000,000    Texas Turnpike Authority, 5.250%, 1/01/23               1/06 at 102          Aaa         9,509,500
     3,000,000    Bexar County Health Facilities Development
                   Corporation (Baptist Memorial Hospital
                   System Project), 6.750%, 8/15/19                       8/04 at 102          Aaa         3,379,170
     5,000,000    Bexar Metropolitan Water District,
                   5.000%, 5/01/19 (Pre-refunded to 5/01/15)              5/15 at 100          Aaa         4,711,350
     4,575,000    Harris County Toll Road, Senior Lien,
                   6.500%, 8/15/17 (Pre-refunded to 8/15/02)              8/02 at 102          Aaa         5,184,756
     1,000,000    Harris County Hospital District, 7.400%, 2/15/10       No Opt. Call          Aaa         1,228,250
       500,000    Houston Hotel Occupancy Tax and Parking Facilities,
                   7.000%, 7/01/15 (Pre-refunded to 7/01/01)              7/01 at 100          Aaa           564,260
       825,000    Lower Colorado River Authority, Priority Refunding,
                   7.000%, 1/01/11                                        1/01 at 102          Aaa           921,476
     1,250,000    Sabine River Authority of Texas, Pollution Control
                   (Texas Utilities Electric Company),
                   5.550%, 5/01/22                                       11/03 at 102          Aaa         1,215,450
     5,000,000    Tarrant County Health Facilities Development
                   Corporation (Fort Worth Osteopathic Hospital),
                   6.000%, 5/15/21                                       No Opt. Call          Aaa         5,349,000
- --------------------------------------------------------------------------------------------------------------------
                  UTAH - 1.4%
       280,000    Utah Housing Finance Agency, Single Family
                   Mortgage, 8.375%, 7/01/19                              1/09 at 100           AA           293,840
     4,500,000    Utah State Building Ownership Authority,
                   5.750%, 5/15/18                                       11/05 at 100          Aaa         4,541,220
                  Provo City Energy System:
     2,300,000     5.500%, 11/15/11                                       5/03 at 102          Aaa         2,325,461
       500,000     5.750%, 5/15/14                                        5/03 at 102          Aaa           507,990
     3,500,000    White City Water System, 6.600%, 2/01/25                2/05 at 100          Aaa         3,834,285
- --------------------------------------------------------------------------------------------------------------------
</TABLE>

                                      33

<PAGE>
 
PORTFOLIO OF INVESTMENTS


NUVEEN INSURED MUNICIPAL BOND FUND-CONTINUED

<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------- 
PRINCIPAL                                                                OPT. CALL                     MARKET
AMOUNT         DESCRIPTION                                               PROVISIONS*  RATINGS**         VALUE
- -------------------------------------------------------------------------------------------------------------
<C>            <S>                                                       <C>          <C>        <C>  
               VIRGINIA - 0.5%
$  3,000,000   Loudoun County Industrial Development
                Authority (Loudoun Hospital Centre),
                5.800%, 6/01/26                                          6/05 at 102        Aaa  $  3,058,080
   1,050,000   Roanoke County Water System, 
                6.000%, 7/01/31 (Pre-refunded to 7/01/01)                7/01 at 100        Aaa     1,135,313
- -------------------------------------------------------------------------------------------------------------
               WASHINGTON - 2.3%
   6,500,000   Washington Public Power Supply System,
                Nuclear Project No. 1, 5.700%, 7/01/17                   7/03 at 102        Aaa     6,495,450
   5,000,000   Washington Public Power Supply System,
                Nuclear Project No. 2, 5.400%, 7/01/05                  No Opt. Call        Aaa     5,234,800
   2,500,000   Washington Public Power Supply System,
                Nuclear Project No. 3, 7.250%, 7/01/16               
                (Pre-refunded to 7/01/99)                                7/99 at 102        Aaa     2,792,700
   1,500,000   Marysville Water and Sewer System,
                7.000%, 12/01/11 (Pre-refunded to 12/01/03)             12/03 at 100        Aaa     1,745,220
   2,000,000   Whatcom County School District No. 501,
                General Obligation, 6.125%, 12/01/13                    12/04 at 100        Aaa     2,100,620
- -------------------------------------------------------------------------------------------------------------
               WEST VIRGINIA - 0.1%
   1,000,000   West Virginia School Building Authority,
                Capital Improvement, 7.250%, 7/01/15
                (Pre-refunded to 7/01/00)                                7/00 at 102        Aaa     1,137,310
- -------------------------------------------------------------------------------------------------------------
               WISCONSIN - 1.5%
   7,020,000   Wisconsin Health and Educational Facilities
                Authority (Sisters of the Sorrowful
                Mother-Ministry Corporation), 6.125%, 8/15/22            2/03 at 102        Aaa     7,299,256
   1,000,000   Wisconsin Municipal Insurance Commission,
                8.700%, 4/01/07                                          4/97 at 102        Aaa     1,066,960
   2,000,000   Superior Limited Obligation (Detroit Edison
                Company), 6.900%, 8/01/21                               No Opt. Call        Aaa     2,394,800
   1,000,000   Three Lakes School District, General Obligation,
                6.750%, 4/01/12 (Pre-refunded to 4/01/03)                4/03 at 100        Aaa     1,136,520
- -------------------------------------------------------------------------------------------------------------
               WYOMING - 0.3%
   2,000,000   University of Wyoming Facilities, 7.100%, 6/01/10         6/00 at 101        Aaa     2,211,210
- -------------------------------------------------------------------------------------------------------------
               PUERTO RICO - 0.5%
   3,750,000   Commonwealth of Puerto Rico, General Obligation,
                6.600%, 7/01/13 (Pre-refunded to 7/01/02)            7/02 at 101 1/2        Aaa     4,266,788
- -------------------------------------------------------------------------------------------------------------
$777,888,000   Total Investments - (Cost $750,787,594) - 99.1%                                    807,091,061
- -------------------------------------------------------------------------------------------------------------
</TABLE>\
 

                                      34
<PAGE>
 
                             NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                      FEBRUARY 29, 1996
<TABLE> 
<CAPTION> 
- ------------------------------------------------------------------------------------------------------------- 
PRINCIPAL                                                               OPT. CALL                      MARKET
AMOUNT         DESCRIPTION                                             PROVISIONS*    RATINGS**         VALUE
- -------------------------------------------------------------------------------------------------------------
<C>            <S>                                                     <C>            <C>        <C>  
               TEMPORARY INVESTMENTS IN SHORT-TERM
               MUNICIPAL SECURITIES - 0.5%
$  1,700,000   Chicago O'Hare International Airport (American
                Airlines), Variable Rate Demand Bonds,
                3.450%, 12/01/17+                                                           P-1  $  1,700,000
   2,300,000   Massachusetts Dedicated Income Tax, Variable
                Rate Demand Bonds, 3.350%, 12/01/97+                                     VMIG-1     2,300,000
- -------------------------------------------------------------------------------------------------------------
$  4,000,000   Total Temporary Investments - 0.5%                                                   4,000,000
============-------------------------------------------------------------------------------------------------
               Other Assets Less Liabilities - 0.4%                                                 2,958,926
- -------------------------------------------------------------------------------------------------------------
               Net Assets - 100%                                                                 $814,049,987
============================================================================================================= 
</TABLE> 

<TABLE> 
<CAPTION> 
- -------------------------------------------------------------------------------------------------------------
                                                             NUMBER          MARKET          MARKET
                STANDARD & POOR'S               MOODY'S   OF ISSUES           VALUE         PERCENT
- -------------------------------------------------------------------------------------------------------------
<S>             <C>                  <C>                       <C>      <C>                 <C>  
SUMMARY OF                    AAA                   Aaa         210     $801,069,781         99%
RATINGS**            AA+, AA, AA-     Aa1, Aa, Aa2, Aa3           3        6,021,280          1
PORTFOLIO OF
INVESTMENTS
(EXCLUDING
TEMPORARY
INVESTMENTS):
- -------------------------------------------------------------------------------------------------------------
TOTAL                                                           213     $807,091,061        100%
============================================================================================================= 
</TABLE>


All of the bonds in the portfolio, excluding temporary investments in short-term
municipal securities, are either covered by Original Issue Insurance, Secondary
Market Insurance or Portfolio Insurance, or are backed by an escrow or trust
containing sufficient U.S. Government or U.S. Government agency securities, any
of which ensure the timely payment of principal and interest.

* Optional Call Provisions (not covered by the report of independent public
accountants): Dates (month and year) and prices of the earliest optional call or
redemption. There may be other call provisions at varying prices at later dates.

** Ratings (not covered by the report of independent public accountants): Using
the higher of Standard & Poor's or Moody's rating.
(WI) Security purchased on a when-issued basis (note 1).
+ The security has a maturity of more than one year, but has variable rate and
demand features which qualify it as a short-term
security. The rate disclosed is that currently in effect. This rate changes
periodically based on market conditions of a specified market index.

See accompanying notes to financial statements.

                                       35
<PAGE>
 
STATEMENT OF NET ASSETS
<TABLE>
<CAPTION>
- ---------------------------------------------------------------------------------------------- 
                                                                       MUNI        INS. MUNI
                                                                       BOND           BOND
- ----------------------------------------------------------------------------------------------
<S>                                                               <C>             <C>
 ASSETS
 Investments in municipal securities, at market value (note 1)    $2,835,978,201  $807,091,061
 Temporary investments in short-term municipal securities,
  at amortized cost (note 1)                                          31,600,000     4,000,000
 Cash                                                                    197,730     1,249,406
 Receivables:
  Interest                                                            42,085,690    10,123,776
  Shares sold                                                            328,101       290,007
  Investments sold                                                    28,152,000         5,000
 Other assets                                                            113,742        35,592
                                                                  --------------  ------------ 
   Total assets                                                    2,938,455,464   822,794,842
                                                                  --------------  ------------  
 LIABILITIES
 Payables:
  Investments purchased                                                8,595,574     6,032,048
  Shares reacquired                                                      406,847         5,000
 Accrued expenses:
  Management fees (note 7)                                             1,054,674       311,384
  Other                                                                  594,408       151,138
 Dividends payable                                                    10,158,654     2,245,285
                                                                  --------------  ------------ 
   Total liabilities                                                  20,810,157     8,744,855
                                                                  --------------  ------------ 
 Net assets (note 8)                                              $2,917,645,307  $814,049,987
                                                                  ==============  ============ 
 Class A Shares (note 1)
 Net assets                                                       $   37,089,044  $ 46,942,915
                                                                  ==============  ============  
 Shares outstanding                                                    3,998,797     4,279,685
                                                                  ==============  ============ 
 Net asset value and redemption price per share                   $         9.28  $      10.97
                                                                   ==============  ============ 
 Offering price per share (net asset value per share plus
 maximum sales charge of 4.50% of offering price)                 $         9.72  $      11.49
                                                                  ==============  ============ 
 Class C Shares (note 1)
 Net assets                                                       $    1,915,296  $  5,150,609
                                                                   ==============  ============ 
 Shares outstanding                                                      206,744       474,546
                                                                  ==============  ============ 
 Net asset value, offering and redemption price per share         $         9.26  $      10.85
                                                                  ==============  ============ 
 Class R Shares (note 1)
 Net assets                                                       $2,878,640,967  $761,956,463
                                                                  ==============  ============ 
 Shares outstanding                                                  310,263,529    69,753,639
                                                                  ==============  ============ 
 Net asset value and redemption price per share                   $         9.28  $      10.92
                                                                  ==============  ============ 
- ------------------------------------------------------------------------------------------------ 
</TABLE> 

See accompanying notes to financial statements.

                                       36
<PAGE>
 
STATEMENT OF OPERATIONS               NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
Year ended February 29, 1996                                   FEBRUARY 29, 1996

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------
                                                                     MUNI        INS. MUNI
                                                                     BOND          BOND
- -------------------------------------------------------------------------------------------
<S>                                                              <C>            <C>
INVESTMENT INCOME
Tax-exempt interest income (note 1)                              $173,591,010   $47,026,810
                                                                 ------------   ----------- 
Expenses (note 2):
  Management fees (note 7)                                         12,801,685     3,758,096
  12b-1 distribution and service fees (note 1)                         43,166       126,369
  Shareholders' servicing agent fees and expenses                   2,425,718       691,770
  Custodians' fees and expenses                                       313,243       144,251
  Directors'/Trustees' fees and expenses (note 7)                      27,187        10,438
  Professional fees                                                   115,740        67,222
  Shareholders reports-printing and mailing expenses                  623,740       155,664
  Federal and state registration fees                                 166,260       113,549
  Portfolio insurance expenses                                             --         1,915
  Other expenses                                                      166,738        44,998
                                                                 ------------   ----------- 
     Total expenses before expense reimbursement                   16,683,477     5,114,272
Expense reimbursement from investment adviser (note 7)                 (4,313)       (1,303)
                                                                 ------------   ----------- 
    Net expenses                                                   16,679,164     5,112,969
                                                                 ------------   ----------- 
      Net investment income                                       156,911,846    41,913,841
                                                                 ------------   ----------- 
 
REALIZED AND UNREALIZED GAIN
FROM INVESTMENTS
Net realized gain from investment transactions, net of taxes,
  if applicable (notes 1 and 5)                                    10,618,706     4,402,500
Net change in unrealized appreciation or depreciation of
  investments                                                      84,862,109    36,885,934
                                                                 ------------   ----------- 
    Net gain from investments                                      95,480,815    41,288,434
                                                                 ------------   ----------- 
Net increase in net assets from operations                       $252,392,661   $83,202,275
                                                                 ------------   ----------- 
 
- -------------------------------------------------------------------------------------------
</TABLE>

See accompanying notes to financial statements.

                                      37
<PAGE>
<TABLE>
<CAPTION>
STATEMENT OF CHANGES IN NET ASSETS

- ---------------------------------------------------------------------------------------------------------------------------
                                                                         MUNI BOND                    INS. MUNI BOND
- ---------------------------------------------------------------------------------------------------------------------------
                                                                  Year ended     Year ended     Year ended     Year ended
                                                                    2/29/96        2/28/95        2/29/96        2/28/95
- ---------------------------------------------------------------------------------------------------------------------------
<S>                                                               <C>            <C>            <C>           <C>
OPERATIONS
Net investment income                                             $  156,911,846 $  152,460,727 $  41,913,841 $  40,930,291
Net realized gain (loss) from investment transactions, net
 of taxes, if applicable                                              10,618,706      9,508,194     4,402,500    (1,781,054)
Net change in unrealized appreciation or depreciation of
 investments                                                          84,862,109    (67,140,015)   36,885,934   (25,968,067)
                                                                  -------------- -------------- ------------- -------------
  Net increase in net assets from operations                         252,392,661     94,828,906    83,202,275    13,181,170
                                                                  -------------- -------------- ------------- -------------
DISTRIBUTION TO SHAREHOLDERS (note 1)
From undistributed net invest income:
 Class A                                                                (707,943)           N/A    (1,614,782)     (204,455)
 Class C                                                                 (30,677)           N/A      (192,149)      (45,156)
 Class R                                                            (157,137,272)  (151,297,051)  (40,071,660)  (41,157,453)
From accumulated net realized gains from investment
 transactions:
 Class A                                                                 (63,661)           N/A             -        (6,709)
 Class C                                                                  (3,523)           N/A             -        (1,121)
 Class R                                                              (8,354,729)   (22,411,997)            -    (1,157,602)
                                                                  -------------- -------------- ------------- -------------
  Decrease in net assets from distributions to shareholders         (166,297,805)  (173,709,048)  (41,878,591)  (42,572,496)
                                                                  -------------- -------------- ------------- -------------
FUND SHARE TRANSACTIONS (note 3)
Net proceeds from sale of shares:
 Class A                                                              93,033,904            N/A   108,423,277    15,273,227
 Class C                                                               1,925,249            N/A     7,075,313     4,686,336
 Class R                                                             397,491,029    469,226,165   143,237,499   158,370,453
Net asset value of shares issued to shareholders due to
 reinvestment of distributions from net investment income
 and from net realized gains from investment transactions:
 Class A                                                                 453,018            N/A       951,544       105,479
 Class C                                                                  19,887            N/A       161,275        25,888
 Class R                                                             123,742,206    141,568,061    26,577,682    28,508,956
                                                                  -------------- -------------- ------------- -------------
                                                                     616,665,293    610,794,226   286,426,590   206,970,339
                                                                  -------------- -------------- ------------- -------------
Cost of shares redeemed:
 Class A                                                             (56,994,434)           N/A   (78,678,465)   (1,930,617)
 Class C                                                                 (40,390)           N/A    (6,281,962)     (893,066)
 Class R                                                            (469,258,117)  (490,742,684) (183,518,067) (165,891,052)
                                                                  -------------- -------------- ------------- -------------
                                                                    (526,292,941)  (490,742,684) (268,478,494) (168,714,735)
                                                                  -------------- -------------- ------------- -------------
 Net increase in net assets derived from Fund share
  transactions                                                        90,372,352    120,051,542    17,948,096    38,255,604
                                                                  -------------- -------------- ------------- -------------
  Net increase in net assets                                         176,467,208     41,171,400    59,271,780     8,864,278
Net assets at the beginning of year                                2,741,178,099  2,700,006,699   754,778,207   745,913,929
                                                                  -------------- -------------- ------------- -------------
Net assets at the end of year                                     $2,917,645,307 $2,741,178,099 $ 814,049,987 $ 754,778,207
                                                                  ============== ============== ============= =============
Balance of undistributed net investment income at end of year     $    1,169,597 $    2,133,643 $     225,040 $     189,790
                                                                  ============== ============== ============= =============
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

N/A - Muni Bond was not authorized to issue Class "A" Shares or Class "C" Shares
      before June 13, 1995.

See accompanying notes to financial statements.

                                      38
<PAGE>
 
NOTES TO FINANCIAL STATEMENTS         NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                               FEBRUARY 29, 1996


1. GENERAL INFORMATION AND SIGNIFICANT
ACCOUNTING POLICIES

At February 29, 1996, the nationally diversified Funds covered in this report
(the "Funds") are Nuveen Municipal Bond Fund and Nuveen Insured Tax-Free Bond
Fund, Inc. (comprising the Nuveen Insured Municipal Bond Fund). Each Fund
invests primarily in a diversified portfolio of municipal obligations issued by
state and local government authorities.

Municipal Bond was originally incorporated in Maryland on October 8, 1976 and
reorganized as a Massachusetts Business Trust at the close of business on June
12, 1995. Insured Municipal Bond was incorporated in Minnesota on July 11, 1986.

The Funds are registered under the Investment Company Act of 1940 as open-end,
diversified management investment companies.

The following is a summary of significant accounting policies followed by the
Funds in the preparation of their financial statements in accordance with
generally accepted accounting principles.

Securities valuation

Portfolio securities for which market quotations are readily available are
valued at the mean between the quoted bid and asked prices or the yield
equivalent. Portfolio securities for which market quotations are not readily
available are valued at fair value by consistent application of methods
determined in good faith by the Board of Directors/Trustees. Temporary
investments in securities that have variable rate and demand features qualifying
them as short-term securities are traded and valued at amortized cost.

Securities transactions

Securities transactions are recorded on a trade date basis. Realized gains and
losses from such transactions are determined on the specific identification
method. Securities purchased or sold on a when-issued or delayed delivery basis
may be settled a month or more after the transaction date. Any securities so
purchased are subject to market fluctuation during this period. The Funds have
instructed the custodian to segregate assets in a separate account with a
current value at least equal to the amount of their purchase commitments. At
February 29, 1996, Insured Municipal Bond had purchase commitments of
$6,032,048. Municipal Bond had no such purchase commitments.

                                      39

<PAGE>

NOTES TO FINANCIAL STATEMENTS
 
Interest income

Interest income is determined on the basis of interest accrued, adjusted for
amortization of premiums and accretion of discounts on long-term debt securities
when required for federal income tax purposes.

Dividends and distributions to shareholders

Net investment income is declared as a dividend monthly and payment is made or
reinvestment is credited to shareholder accounts after month-end. Net realized
gains from securities transactions are distributed to shareholders not less
frequently than annually only to the extent they exceed available capital loss
carryovers. Distributions to shareholders of net investment income and net
realized gains from investment transactions are recorded on the ex-dividend
date. The amount and timing of such distributions are determined in accordance
with federal income tax regulations, which may differ from generally accepted
accounting principles. Accordingly, temporary over-distributions as a result of
these differences may result and will be classified as either distributions in
excess of net investment income or distributions in excess of net realized gains
from investment transactions, if applicable.

Federal income taxes

Each Fund is a separate taxpayer for federal income tax purposes and intends to
comply with the requirements of the Internal Revenue Code applicable to
regulated investment companies by distributing all of its net investment income,
in addition to any significant amounts of net realized gains from investments,
to shareholders. The Funds currently consider significant net realized gains as
amounts in excess of $.001 per share. Furthermore, each Fund intends to satisfy
conditions which will enable interest from municipal securities, which is exempt
from regular federal income tax, to retain such tax exempt status when
distributed to the shareholders of the Funds. All income dividends paid during
the year ended February 29, 1996, have been designated Exempt Interest
Dividends.

Insurance

Insured Municipal Bond invests in municipal securities which are either covered
by insurance or backed by an escrow or trust account containing sufficient U.S.
Government or U.S. Government agency securities, both of which ensure the timely
payment of principal and interest. Each insured municipal security is covered by
Original Issue Insurance, Secondary Market Insurance or Portfolio Insurance.
Such insurance does not guarantee the market value of the municipal securities
or the value of the Fund's shares. Original Issued Insurance and Secondary
Market Insurance remain in effect as long as the municipal securities covered
thereby remain outstanding and the insurer remains in business, regardless of
whether the Fund ultimately disposes of such municipal securities. Consequently,
the market value of the municipal securities covered by Original Issue Insurance
or Secondary Market Insurance may reflect value attributable to the insurance.
Portfolio Insurance is effective only

                                      40

<PAGE>
 
                                      NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                               FEBRUARY 29, 1996


while the municipal securities are held by the Fund. Accordingly, neither the
prices used in determining the market value of the underlying municipal
securities nor the net asset value of the Fund's shares include value, if any,
attributable to the Portfolio Insurance. Each policy of the Portfolio Insurance
does, however, give the Fund the right to obtain permanent insurance with
respect to the municipal security covered by the Portfolio Insurance policy at
the time of its sale.

Flexible sales charge program

Effective September 6, 1994, for Insured Municipal Bond and June 13, 1995, for
Municipal Bond, both Funds commenced offering Class "A" Shares and Class "C"
Shares. Class "A" Shares incur a front-end sales charge and an annual 12b-1
service fee. Class "C" Shares are sold without a sales charge but incur annual
12b-1 distribution and service fees. Effective June 13, 1995, for both Funds, an
investor purchasing Class "C" Shares agrees to pay a contingent deferred sales
charge ("CDSC") of 1% if Class "C" Shares are redeemed within 12 months of
purchase.

Prior to the offering of Class "A" Shares and Class "C" Shares, the shares
outstanding for both Funds were renamed Class "R" and are not subject to any
12b-1 distribution or service fees. Effective with the offering of the new
classes, Class "R" Shares are generally available only for reinvestment of
dividends by current "R" shareholders and for already established Nuveen Unit
Investment Trust reinvestment accounts.

Derivative financial instruments

In October 1994, the Financial Accounting Standards Board (FASB) issued
Statement of Financial Accounting Standards No. 119 Disclosure about Derivative
Financial Instruments and Fair Value of Financial Instruments which prescribes
disclosure requirements for transactions in certain derivative financial
instruments including future, forward, swap, and option contracts, and other
financial instruments with similar characteristics. Although the Funds are
authorized to invest in such financial instruments, and may do so in the future,
they did not make any such investments during the year ended February 29, 1996,
other than occasional purchases of high quality synthetic money market
securities, if applicable.

Use of estimates

The preparation of financial statements in conformity with generally accepted
accounting principles requires management to make estimates and assumptions that
affect the reported amounts of assets and liabilities at the date of the
financial statements and the reported amounts of increases and decreases in net
assets from operations during the reporting period.

                                      41

<PAGE>
 
NOTES TO FINANCIAL STATEMENTS

2. EXPENSE ALLOCATION

Expenses of the Funds that are not directly attributable to any class of shares
are prorated among the classes based on the relative net assets of each class.
Expenses directly attributable to a class of shares are recorded to the specific
class. Effective August 1, 1995, the Funds adopted a multiple class plan
pursuant to Rule 18f-3 under the Investment Company Act of 1940 and now
designate class specific expenses to include Rule 12b-1 distribution and service
fees, and other expenses incurred for services received by a class that differ
in either amount or kind. A breakdown of the class specific expenses during the
year ended February 29, 1996, were as follows:

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------
                                                               MUNI    INS. MUNI
                                                               BOND         BOND
- --------------------------------------------------------------------------------
<S>                                                     <C>          <C>       
                                                                                
 12b-1 distribution and service fees:                                           
  Class A                                               $    36,112  $    82,071
  Class C                                                     7,054       44,298
 Shareholders' servicing agent fees and expenses:
  Class A                                                       729       18,022
  Class C                                                        82        1,093
  Class R                                                   914,407      247,643
 Shareholders' reports--printing and mailing expenses:
  Class A                                                     1,275        1,019
  Class C                                                       119           66
  Class R                                                   374,135      123,497
 Federal and state registration fees:
  Class A                                                     2,483        3,958
  Class C                                                       276        1,109
  Class R                                                    89,323       23,054
 Professional fees--Class R                                  46,688           --
- --------------------------------------------------------------------------------
</TABLE>
 

                                      42
<PAGE>
<TABLE>
<CAPTION>
                                                                                 NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                                                                          FEBRUARY 29, 1996


3.  FUND SHARES
Transactions in shares were as follows:

- ---------------------------------------------------------------------------------------------------------------------------
                                                                        MUNI BOND                 INS. MUNI BOND
- ---------------------------------------------------------------------------------------------------------------------------
                                                                  Year ended     Year ended     Year ended     Year ended
                                                                    2/29/96        2/28/95        2/29/96        2/28/95
- ---------------------------------------------------------------------------------------------------------------------------
<S>                                                               <C>            <C>            <C>            <C>
Shares sold:
 Class A                                                            10,085,967            N/A     10,080,588      1,538,119
 Class C                                                               208,938            N/A        661,711        474,253
 Class R                                                            43,438,989     52,970,376     13,451,112     15,709,700
Shares issued to shareholders due to reinvestment of
 distributions from net investment income and from
 net realized gains from investment transactions:
 Class A                                                                48,593            N/A         88,109         10,686
 Class C                                                                 2,138            N/A         15,241          2,644
 Class R                                                            13,470,516     15,973,465      2,491,979      2,822,384
                                                                   -----------    -----------    -----------    -----------
                                                                    67,255,141     68,943,841     26,788,740     20,557,786
                                                                   -----------    -----------    -----------    -----------
Shares redeemed:
 Class A                                                            (6,135,763)           N/A     (7,244,524)      (193,293)
 Class C                                                                (4,332)           N/A       (588,441)       (90,862) 
 Class R                                                           (51,218,535)   (55,355,782)   (17,181,722)   (16,561,539)
                                                                   -----------    -----------    -----------    -----------
                                                                   (57,358,630)   (55,355,782)   (25,014,687)   (16,845,694)
                                                                   -----------    -----------    -----------    -----------
Net increase                                                         9,896,511     13,588,059      1,774,053      3,712,092
                                                                   ===========    ===========    ===========    ===========
- ---------------------------------------------------------------------------------------------------------------------------
</TABLE>

N/A - Muni Bond was not authorized to issue Class "A" Shares or Class "C" Shares
before June 13, 1995.

                                       43
<PAGE>
 
NOTES TO FINANCIAL STATEMENTS

4. DISTRIBUTIONS TO SHAREHOLDERS
On March 8, 1996, the Funds declared dividend distributions from their ordinary
income which were paid on April 1, 1996, to shareholders of record on March 8,
1996, as follows:

<TABLE>
<CAPTION>
- ----------------------------------------------------------------
                                                MUNI  INS. MUNI
                                                BOND     BOND
- ----------------------------------------------------------------   
<S>                                           <C>     <C>      
Dividend per share:                                           
  Class A                                      $.0395    $.0445
  Class C                                       .0340     .0375
  Class R                                       .0415     .0465
                                                =====     =====
- ----------------------------------------------------------------
</TABLE>

5. SECURITIES TRANSACTIONS

Purchases and sales (including maturities) of investments in municipal
securities and temporary municipal investments for the year ended February 29,
1996, were as follows:

<TABLE>
<CAPTION>
- ----------------------------------------------------------------------
                                               MUNI       INS. MUNI
                                               BOND          BOND
- ----------------------------------------------------------------------
<S>                                        <C>           <C>
PURCHASES
Investments in municipal securities         $517,451,834  $227,340,258
Temporary municipal investments              602,095,000   291,525,000
SALES
Investments in municipal securities          475,094,406   208,113,881
Temporary municipal investments              573,195,000   287,525,000
                                             ===========   =========== 
- ----------------------------------------------------------------------
</TABLE>

At February 29, 1996, the identified cost of investments owned for federal
income tax purposes was the same as the cost for financial reporting purposes
for each Fund.

                                       44
<PAGE>
 
                                      NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                               FEBRUARY 29, 1996

6. UNREALIZED APPRECIATION (DEPRECIATION)

Gross unrealized appreciation and gross unrealized depreciation of investments
at February 29, 1996, were as follow:
<TABLE>
<CAPTION>
- -------------------------------------------------------------------------
                                                MUNI        INS. MUNI
                                                BOND           BOND
- -------------------------------------------------------------------------
<S>                                         <C>            <C>
 
 Gross unrealized:                            $171,847,948   $57,249,197 
  Appreciation                                  (4,264,834)     (945,730) 
  Depreciation                                ------------   ----------- 
                                 
 Net unrealized appreciation                  $167,583,114   $56,303,467
                                              ============   ===========
  -----------------------------------------------------------------------


</TABLE>
7. MANAGEMENT FEE AND OTHER TRANSACTIONS
WITH AFFILIATES

Under the Funds' investment management agreements with Nuveen Advisory Corp.
(the "Adviser"), a wholly owned subsidiary of The John Nuveen Company, each Fund
pays to the Adviser an annual management fee, payable monthly, at the rates set
forth below which are based upon the average daily net asset value of each Fund:


- ----------------------------------------------------------------------
 Average daily net asset value                         Management fee
- ----------------------------------------------------------------------
<TABLE>
<CAPTION>
<S>                                                   <C> 
For the first $125,000,000                               .5 of 1%
 For the next $125,000,000                            .4875 of 1
 For the next $250,000,000                             .475 of 1
 For the next $500,000,000                            .4625 of 1
 For the next $1,000,000,000                            .45 of 1
 For net assets over $2,000,000,000                    .425 of 1
- ----------------------------------------------------------------------
</TABLE>

The management fee is reduced by, or the Adviser assumes certain expenses of
each Fund, in an amount necessary to prevent the total expense of each Fund
(including the management fee, but excluding interest, taxes, fees incurred in
acquiring and disposing of portfolio securities, 12b-1 Service and Distribution
fees, if applicable, and to the extent permitted, extraordinary expenses) in any
fiscal year from exceeding .75 of 1% of the average daily net asset value of
Municipal Bond and .975 of 1% of the average daily net asset value of Insured
Municipal Bond. The Adviser may also voluntarily agree to reimburse additional
expenses from time to time, which may be voluntarily terminated at any time at
its discretion.

                                       45
<PAGE>
 

NOTES TO FINANCIAL STATEMENTS


The management fee compensates the Adviser for overall investment advisory and
administrative services, and general office facilities. The Funds pay no
compensation directly to their directors/trustees who are affiliated with the
Adviser or to its officers, all of whom receive remuneration for their services
to the Funds from the Adviser.

8. COMPOSITION OF NET ASSETS

At February 29, 1996, the Funds had common stock authorized of $.10 par value
per share for Municipal Bond and $.01 par value per share for Insured Municipal
Bond. The composition of net assets as well as the number of authorized shares
is as follows:

<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------
                                                                    MUNI              INS. MUNI 
                                                                    BOND                 BOND
- ------------------------------------------------------------------------------------------------
<S>                                                            <C>                  <C>
Capital paid-in                                                $2,744,976,758       $754,899,010
Balance of undistributed net investment income                      1,169,597            225,040
Accumulated net realized gain from investment transactions          3,915,838          2,622,470
Net unrealized appreciation of investments                        167,583,114         56,303,467
                                                               --------------       ------------ 
 Net assets                                                    $2,917,645,307       $814,049,987
                                                               ==============       ============
Authorized Shares:                                           
 Class A                                                            Unlimited        340,000,000
 Class C                                                            Unlimited        460,000,000
 Class R                                                            Unlimited        200,000,000
                                                               ==============       ============
- ------------------------------------------------------------------------------------------------
</TABLE>

                                      46
<PAGE>
 

                                      NUVEEN TAX-FREE MUTUAL FUNDS ANNUAL REPORT
                                                               FEBRUARY 29, 1996


9. INVESTMENT COMPOSITION

Each Fund invests in municipal securities which include general obligation,
escrowed and revenue bonds. At February 29, 1996, the revenue sources by
municipal purpose for these investments, expressed as a percent of total
investments, were as follows:

<TABLE>
<CAPTION>
- ---------------------------------------------- 
                             MUNI   INS. MUNI
                             BOND      BOND
- ---------------------------------------------- 
<S>                          <C>    <C>
Revenue Bonds:
 Electric Utilities           21%        6%
 Health Care Facilities       16        20
 Housing Facilities           14         1
 Water/Sewer Facilities        8         8
 Lease Rental Facilities       2         8
 Educational Facilities        1         7
 Transportation                6         5
 Pollution Control             5         4
 Other                         8         6
General Obligation Bonds       6        19
Escrowed Bonds                13        16
- ---------------------------------------------- 
                             100%      100%
- ---------------------------------------------- 
</TABLE>

Certain long-term and intermediate-term investments owned by the Funds are
either covered by insurance issued by several private insurers or are backed by
an escrow or trust containing U.S. Government or U.S. Government agency
securities, both of which ensure the timely payment of principal and interest in
the event of default (30% for Municipal Bond and 100% for Insured Municipal
Bond). Such insurance or escrow, however, does not guarantee the market value of
the municipal securities or the value of the Funds' shares.

All of the temporary investments in short-term municipal securities have credit
enhancements (letters of credit, guarantees or insurance) issued by third party
domestic or foreign banks or other institutions.

For additional information regarding each investment security, refer to the
Portfolio of Investments of each Fund.

                                      47
<PAGE>

FINANCIAL HIGHLIGHTS

<TABLE>
<CAPTION>

SELECTED DATA FOR A COMMON SHARE OUTSTANDING THROUGHOUT EACH PERIOD IS AS FOLLOWS:

- -------------------------------------------------------------------------------------------------------------------------------- 
                                           Income from investment operations          Less distributions
                                          --------------------------------------------------------------------
                                                                        Net
                                                               realized and       Dividends
                           Net asset             Net        unrealized gain        from net       Distribution         Net asset
                     value beginning      investment            (loss) from      investment               from      value end of
                           of period          income          investments**          income      capital gains            period
- -------------------------------------------------------------------------------------------------------------------------------- 
MUNI BOND
- -------------------------------------------------------------------------------------------------------------------------------- 
<S>                  <C>                  <C>               <C>                  <C>             <C>                <C>    
CLASS A
6/13/95 to
 2/29/96                      $9.150          $.340+                $ .141          $(.324)            $(.027)            $9.280    
CLASS C
6/13/95 to
 2/29/96                       9.150           .290+                  .126           (.279)             (.027)             9.260
CLASS R
Year ended
 2/29/96                       9.000           .506                   .313           (.512)             (.027)             9.280
Year ended 2/28,
 1995                          9.280           .515                  (.209)          (.511)             (.075)             9.000
 1994                          9.450           .519                  (.075)          (.516)             (.098)             9.280
 1993                          9.080           .555                   .414           (.544)             (.055)             9.450
5 mos. ended
 2/29/92                       9.040           .239                   .080           (.239)             (.040)             9.080
Year ended 9/30,
 1991                          8.650           .579                   .438           (.589)             (.038)             9.040
 1990                          8.730           .596                  (.080)          (.596)                 -              8.650
 1989                          8.520           .597                   .239           (.597)             (.029)             8.730
 1988                          8.020           .596                   .536           (.596)             (.036)             8.520
 1987                          8.780           .598                  (.614)          (.598)             (.146)             8.020
 1986                          7.830           .595                  1.162           (.595)             (.212)             8.780
 1985                          7.180           .586                   .650           (.586)                 -              7.830
- -------------------------------------------------------------------------------------------------------------------------------- 
</TABLE>
See notes on page 50.

                                       48
<PAGE>

 
<TABLE>
<CAPTION>

                                                                                  NUVEEN TAX FREE MUTUAL FUNDS ANNUAL REPORT
                                                                                                           FEBRUARY 29, 1996
 
- ---------------------------------------------------------------------------------------------------------------------------- 
                                                         Ratios/Supplemental data
- ---------------------------------------------------------------------------------------------------------------------------- 
                                           Ratio of             Ratio of          Ratio of             Ratio of
                                        expenses to       net investment          expenses       net investment
Total return        Net assets              average    income to average    to average net    income to average    Portfolio
on net asset     end of period    net assets before    net assets before      assets after     net assets after     turnover
     value++    (in thousands)        reimbursement        reimbursement    reimbursement+       reimbursement+         rate
- ---------------------------------------------------------------------------------------------------------------------------- 

- ---------------------------------------------------------------------------------------------------------------------------- 
<S>             <C>               <C>                  <C>                  <C>               <C>                  <C>     


       5.33%        $   37,089                 .86%*               5.11%*             .83%*               5.14%*         17%


       4.59              1,915                1.64*                4.33*             1.58*                4.39*          17


       9.31          2,878,641                 .59                 5.53               .59                 5.53           17

       3.60          2,741,178                 .59                 5.79               .59                 5.79           17
       4.79          2,700,007                 .62                 5.49               .62                 5.49           15
      11.04          2,371,669                 .61                 5.95               .61                 5.95           14

       3.56          1,835,708                 .62*                6.24*              .62*                6.24*           6

      12.15          1,661,420                 .60                 6.48               .60                 6.48           10
       6.04          1,323,623                 .62                 6.78               .62                 6.78            8
      10.07          1,119,833                 .64                 6.85               .64                 6.85           12
      14.50            945,361                 .65                 7.11               .65                 7.11            8
       (.39)           764,092                 .68                 6.85               .68                 6.85           16
      23.02            668,416                 .71                 6.95               .71                 6.95           39
      17.73            459,627                 .73                 7.68               .73                 7.68           28
- ---------------------------------------------------------------------------------------------------------------------------- 
</TABLE>

                                       49

<PAGE>
 
FINANCIAL HIGHLIGHTS

<TABLE>
<CAPTION>

SELECTED DATA FOR A COMMON SHARE OUTSTANDING THROUGHOUT EACH PERIOD IS AS FOLLOWS:

- -------------------------------------------------------------------------------------------------------------------------------- 
                                           Income from investment operations          Less distributions
                                          --------------------------------------------------------------------
                                                                        Net
                                                               realized and       Dividends
                           Net asset             Net        unrealized gain        from net       Distribution         Net asset
                     value beginning      investment            (loss) from      investment               from      value end of
                           of period          income          investments**          income      capital gains            period
- -------------------------------------------------------------------------------------------------------------------------------- 
INS. MUNI BOND
- -------------------------------------------------------------------------------------------------------------------------------- 
<S>                  <C>                  <C>               <C>                  <C>             <C>                <C>    
CLASS A
Year ended
 2/29/96                     $10.400          $.542+                $ .568          $(.540)            $    -            $10.970    
9/6/94 to
 2/28/95                      10.310           .264+                  .115           (.273)             (.016)            10.400
CLASS C
Year ended
 2/29/96                      10.310           .461                   .540           (.461)                 -             10.850
9/7/94 to
 2/28/95                      10.290           .227+                  .075           (.266)             (.016)            10.310
CLASS R
Year ended
 2/29/96                      10.380           .570                   .540           (.570)                 -             10.920
Year ended 2/28,
 1995                         10.810           .573                  (.407)          (.580)             (.016)            10.380
 1994                         10.850           .574                  (.012)          (.565)             (.061)            10.810
 1993                         10.030           .591                   .880           (.589)             (.062)            10.850
Year ended
 2/29/92                       9.690           .612                   .425           (.617)             (.080)            10.030
Year ended 2/28,
 1991                          9.520           .617                   .198           (.611)             (.034)             9.690
 1990                          9.350           .627                   .262           (.630)             (.089)             9.520
 1989                          9.300           .629                   .050           (.629)                 -              9.350
Year ended
 2/29/88                       9.790           .637+                 (.490)          (.637)                 -              9.300
12/10/86 to
 2/28/87                       9.600           .127+                  .190           (.127)                 -              9.790
- -------------------------------------------------------------------------------------------------------------------------------- 
</TABLE>

* Annualized.
** Net of taxes, if applicable (see note 1).
+ Reflects the waiver of certain management fees or reimbursement of certain 
other expenses by the Adviser, if applicable (see note 7).
++ Total Return on Net Asset Value is the combination of reinvested dividend 
income, reinvested capital gains distributions, if any, and changes in stock 
price per share.

                                      50
<PAGE>

 
<TABLE>
<CAPTION>

                                                                                  NUVEEN TAX FREE MUTUAL FUNDS ANNUAL REPORT
                                                                                                           FEBRUARY 29, 1996
 
- ---------------------------------------------------------------------------------------------------------------------------- 
                                                         Ratios/supplemental data
- ---------------------------------------------------------------------------------------------------------------------------- 
                                           Ratio of             Ratio of          Ratio of             Ratio of
                                        expenses to       net investment          expenses       net investment
Total return        Net assets              average    income to average    to average net    income to average    Portfolio
on net asset     end of period    net assets before    net assets before      assets after     net assets after     turnover
     value++    (in thousands)        reimbursement        reimbursement    reimbursement+       reimbursement+         rate
- ---------------------------------------------------------------------------------------------------------------------------- 

- ---------------------------------------------------------------------------------------------------------------------------- 
<S>             <C>               <C>                  <C>                  <C>               <C>                  <C>     


      10.90%          $ 46,943                 .92%                5.00%              .91%                5.01%          27%

       3.84             14,097                1.27*                5.28*             1.00*                5.55*          25


       9.88              5,151                1.63                 4.34              1.63                 4.34           27

       3.09              3,979                1.75*                4.83*             1.75*                4.83*          25


      10.94            761,956                 .63                 5.33               .63                 5.33           27

       1.85            736,702                 .64                 5.67               .64                 5.67           25
       5.47            745,914                 .65                 5.21               .65                 5.21           11
      15.24            567,232                 .72                 5.68               .72                 5.68           20

      11.03            306,853                 .73                 6.12               .73                 6.12           45

       8.94            178,931                 .80                 6.45               .80                 6.45           53
       9.73            111,806                 .83                 6.49               .83                 6.49           78
       7.63             66,049                 .87                 6.83               .87                 6.83          106

       2.00             41,330                 .88                 6.65               .60                 6.93+          88

       3.31             13,160                3.50*                 .50*                -                 4.00*           -
- ---------------------------------------------------------------------------------------------------------------------------- 
</TABLE>









                                      51
<PAGE>
 

REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS

To the Board of Directors, Trustees and Shareholders of
Nuveen Municipal Bond Fund
Nuveen Insured Tax-Free Bond Fund, Inc.:

We have audited the accompanying statements of net assets of NUVEEN MUNICIPAL
BOND FUND (a Massachusetts Business Trust), and NUVEEN INSURED TAX-FREE BOND
FUND, INC. (comprising the Nuveen Insured Municipal Bond Fund) (a Minnesota
corporation), including the portfolios of investments, as of February 29, 1996,
and the related statements of operations for the year then ended, the statements
of changes in net assets for each of the two years in the period then ended and
the financial highlights for the periods indicated thereon. These financial
statements and financial highlights are the responsibility of the Fund's
management. Our responsibility is to express an opinion on these financial
statements and financial highlights based on our audits.

We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements and financial
highlights are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. Our procedures included confirmation of securities owned as of
February 29, 1996, by correspondence with the custodian and brokers. An audit
also includes assessing the accounting principles used and significant estimates
made by management, as well as evaluating the overall financial statement
presentation. We believe that our audits provide a reasonable basis for our
opinion.

In our opinion, the financial statements and financial highlights referred to
above present fairly, in all material respects, the net assets of each of the
respective funds constituting Nuveen Municipal Bond Fund and Nuveen Insured Tax-
Free Bond Fund, Inc. as of February 29, 1996, the results of their operations
for the year then ended, the changes in their net assets for each of the two
years in the period then ended and the financial highlights for the periods
indicated thereon in conformity with generally accepted accounting principles.

                                             ARTHUR ANDERSEN LLP

Chicago, Illinois
April 8, 1996

                                      52
<PAGE>
 

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