PUTNAM MUNICIPAL OPPORTUNITIES TRUST
N-30D, 1996-12-30
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Putnam
Municipal
Opportunities
Trust

SEMIANNUAL REPORT

October 31, 1996

[LOGO: BOSTON * LONDON * TOKYO]




Fund highlights

* "As always, we continue to pursue pockets of opportunity in areas that 
enable us to maintain a balance of high current tax-free income and 
capital preservation."

                                -- Blake E. Anderson, manager
                         Putnam Municipal Opportunities Trust

CONTENTS

 4     Report from Putnam Management

 8     Fund performance summary

11     Portfolio holdings

17     Financial statements



From the Chairman

[GRAPHIC OMITTED: PHOTO OF GEORGE PUTNAM]

(copyright) Karsh, Ottawa

Dear Shareholder:

The first half of Putnam Municipal Opportunities Trust's fiscal year 
finished on a more propitious note than it began. During the six months 
ended October 31, 1996, your fund -- and the rest of the tax-exempt bond 
market -- made up ground lost to the challenges presented by the flat-
tax concerns and to the worry that a still-vibrant economy would ignite 
the fires of inflation. 

As investors gradually concluded that their fears may have been 
misplaced, the fixed-income market environment began to show steady 
improvement. Prospects for the second half of your fund's fiscal year 
now seem more positive. Demand for tax-exempt securities is strong, 
especially relative to their fairly modest supply. The economy, interest 
rates, and inflation remain generally favorable. 

I am pleased to announce that Blake Anderson has assumed management of 
your fund. Blake has 10 years of investment experience and has been a 
member of Putnam's municipal bond group since 1987. He reviews the 
fund's performance and prospects in the report that follows. 

Respectfully yours, 

/S/George Putnam

George Putnam

Chairman of the Trustees

December 18, 1996



Report from the Fund Manager
Blake E. Anderson



In the past six months, municipal bonds have staged an impressive 
turnaround. Talk of tax reform, an uncertain political climate and 
changing expectations with regard to economic growth, and future 
inflation all plagued the tax-exempt market early this year. However, as 
the year progressed, the impact of these political and economic 
uncertainties faded. The municipal bond market regained stability and 
started to generate positive returns, a recovery that is quite evident 
in the performance of Putnam Municipal Opportunities Trust.

Your fund delivered solid performance over the six months ended October 
31, 1996. We are particularly pleased with the fund's total return 
relative to that of the greater municipal bond market and as a hedge 
against inflation. During the period, your fund generated a total return 
of 5.55% at net asset value (NAV) and 5.54% at market price, which 
compares favorably with the 4.54% return for the Lehman Brothers 
Municipal Bond Index and the modest 1.28% rise in the Consumer Price 
Index (CPI) over the same period. In fact, since the fund's inception on 
May 28, 1993, it has produced a cumulative total return of 25.33% at 
NAV, an annual average of 6.80%, well ahead of the annual averages of 
6.07% for the Lehman Brothers index and 2.76% for the CPI.

* POLITICS, INTEREST RATES, AND ECONOMY SHAPED YEAR'S MARKET ENVIRONMENT

Politics and the direction of interest rates dictated the municipal bond 
market's course last spring. Initially mired in concerns that flat-tax 
proposals would threaten the tax-favored status of municipal bonds, 
investors pushed bond prices lower during the presidential primary 
campaigning in late 1995 and early 1996. The market's tone improved 
dramatically as prospects for enactment of any tax reform proposals this 
year became less likely and as other political uncertainties became 
resolved in investors' minds. 

Just when the municipal bond market had begun to gain stability from 
this more positive political environment, however, an influx of changing 
economic and interest rate expectations precipitated another brief loss 
of momentum. Interest rates had fallen to near-historic lows through 
much of 1995 and early 1996 on the prospects of slow economic growth and 
low inflation. However, in March 1996, rates reversed course as reports 
of increasing strength in employment began to appear. Investors 
developed concerns that strong employment growth would stimulate robust 
economic activity and future inflation. Volatility increased through 
June as investors waited for longer-term trends to emerge.

By midyear, moderate economic growth had been confirmed and inflation 
remained well contained. Investors were still watchful for signs of 
future inflation but started to feel more confident that economic growth 
and inflation would remain under control. Volatility began to subside 
and interest rates moved within a narrow range. That environment 
continues to prevail as your fund enters the second half of fiscal 1997.

[GRAPHIC OMITTED: HORIZONTAL BAR CHART OF TOP INDUSTRY SECTORS*]

TOP INDUSTRY SECTORS*

Transportation                              27.4%

Utilities                                   26.0%

Health care                                 11.3%

Housing                                      8.1%

Resource management                          5.9%

Footnote reads:
*Based on net assets as of 10/31/96. Holdings will vary over time.

* TRANSPORTATION SECTOR OFFERS OPPORTUNITIES FOR INCOME AND TOTAL RETURN

The fund's investment in the transportation sector, particularly in 
airlines and airports, has contributed substantially to total return. 
Supply and demand factors, the increasing globalization of business, and 
a healthy business and economic climate have enabled the airline 
industry to recover from the unprofitablity that plagued it through the 
early 1990s. As a consequence, many companies in the industry were able 
to announce record earnings this year. With so many positive events, it 
is not surprising that the prices of airline-related bonds have risen 
faster than those linked to many other industries.

Furthermore, airlines have enjoyed a high load factor, an important 
industry gauge of supply and demand. Demand for air travel is determined 
by revenue passenger miles, and supply by available seat miles. The load 
factor is the percentage of seats filled. Because demand has outstripped 
supply, the load factor has been high. Capacity expansion remains 
modest, another factor that bodes well for the future. 

Other industries may also be due for some improvement, and we will 
continue to pursue investments that are what we believe to be pockets of 
opportunity. Among the industries we are watching closely are utility 
and paper and forest products. A series of negative events in the 
utility industry has pushed security prices to a point at which we 
believe they may be becoming undervalued. As we monitor the paper and 
forest product industry, which has been in decline, we are beginning to 
notice some firmness in the prices of selected grades of paper. This 
leads us to believe that industry may be nearing a bottom in its cycle 
and preparing for a recovery. 

* STABLE-TO-POSITIVE ENVIRONMENT FORECAST FOR BALANCE OF FISCAL YEAR

We expect a stable-to-positive environment for municipal bonds over the 
next six months. While we are always alert for developments on the 
political front, we believe a continuation of the political status quo 
will help maintain stability in the tax-exempt market. Lack of a 
consensus on tax-reform proposals would represent a positive situation.

We also look for economic strength and for the direction of interest 
rates to remain favorable for municipal bonds. The economy has been able 
to maintain a pattern of moderate growth amid low inflation. While 
investors will be watchful of the behavior of commodity prices and other 
preliminary signs of future inflation, we are optimistic that this 
period of stable trend growth and benign inflation will be sustained. 
With this type of environment, we believe interest rates will move 
within a relatively narrow range, which should lend support to municipal 
bond prices.

[GRAPHIC OMITTED: PIE CHART OF PORTFOLIO QUALITY OVERVIEW]

Aaa                          31.7%
Aa                            4.3%
A                             7.3%
Baa                          39.1%
Ba                           14.4%
B                             1.0%
VMIGI                         2.3%

Footnote reads:
*As a percentage of market value as of 10/31/96. A bond rated Baa or 
higher is considered investment grade. All ratings reflect Moody's 
descriptions, unless noted otherwise; percentages may include unrated 
bonds considered by Putnam Management to be of comparable quality. 
Ratings will vary over time.

Finally, with the stock market at record highs, we would not be 
surprised to see investors shift a larger portion of their assets into 
the municipal bond market. Over the long term, we look for municipal 
bonds to provide an attractive level of dividends and to generate solid 
total returns for investors seeking tax-advantaged income. 

The views expressed here are exclusively those of Putnam Management. 
They are not meant as investment advice. Although the described holdings 
were viewed favorably as of 10/31/96, there is no guarantee the fund 
will continue to hold these securities in the future.



Performance summary

Performance should always be considered in light of a fund's investment 
strategy. Putnam Municipal Opportunities Trust is designed for investors 
seeking high current income free from federal income tax, consistent 
with preservation of capital.

This section provides, at a glance, information about your fund's 
performance. Total return shows how the value of the fund's shares 
changed over time, assuming you held the shares through the entire 
period and reinvested all distributions in the fund. 

TOTAL RETURN FOR PERIODS ENDED 10/31/96
(common shares)

                                       Lehman Bros.
                            Market      Municipal        Consumer 
                   NAV      price      Bond Index        Price Index
- ------------------------------------------------------------------------
6 months           5.55%    5.54%         4.54%             1.28%
- ------------------------------------------------------------------------
1 year             7.17    10.38          5.71              2.99
- ------------------------------------------------------------------------
Life of fund 
(since 5/28/93)   25.33    18.63         22.31              9.78
Annual average     6.80     5.11          6.07              2.76
- ------------------------------------------------------------------------

Performance data represent past results and do not reflect future 
performance. They do not take into account any adjustment for taxes 
payable on reinvested distributions. Investment returns, net asset value 
and market price will fluctuate so that an investor's shares, when sold, 
may be worth more or less than their original cost.

TOTAL RETURN FOR PERIODS ENDED 9/30/96
(most recent calendar quarter)

                                                            Market
                                       NAV                   price
- ------------------------------------------------------------------------
6 months                               4.11%                  6.56%
- ------------------------------------------------------------------------
1 year                                 7.19                  12.54
- ------------------------------------------------------------------------
Life of fund
(since 5/28/93)                       23.69                  16.87
Annual average                         6.55                   4.76
- ------------------------------------------------------------------------



PRICE AND DISTRIBUTION INFORMATION
6 months ended 10/31/96
- ------------------------------------------------------------------------
Distributions (common shares) (number)                        6
- ------------------------------------------------------------------------
Income                                                       $0.495
- ------------------------------------------------------------------------
Total                                                        $0.495
- ------------------------------------------------------------------------
Preferred shares (800 shares)     
- -----------------------------------------------------------------------
Income                                                      $953.33
- ------------------------------------------------------------------------
Total                                                       $953.33
- ------------------------------------------------------------------------
Share value
(common shares):                       NAV                Market price
- ------------------------------------------------------------------------
4/30/96                              $13.50                 $13.625
- ------------------------------------------------------------------------
10/31/96                              13.75                  13.875
- ------------------------------------------------------------------------
Current return
 (common shares):                      NAV                Market price
- ------------------------------------------------------------------------
End of period     
- -----------------------------------------------------------------------
Current dividend rate1                 7.19%                   7.14%
- ------------------------------------------------------------------------
Taxable equivalent2                   11.90                   11.82
- ------------------------------------------------------------------------

1 Income portion of most recent distribution, annualized and divided by 
NAV or market price at end of period.

2 Assumes maximum 39.6% federal income tax rate. Certain high-income 
investors may be subject to the Alternative Minimum Tax on a portion of 
investment income. Income may be subject to state and local taxes. 
Results for investors subject to lower tax rates would not be as 
advantageous.

TERMS AND DEFINITIONS

Net asset value (NAV) is the value of all your fund's assets, minus any 
liabilities and the liquidation preference on the remarketed preferred 
shares, divided by the number of outstanding common shares.

Market price is the current trading price of one share of the fund. 
Market prices are set by transactions between buyers and sellers on the 
New York Stock Exchange.

COMPARATIVE BENCHMARKS

Consumer Price Index (CPI) is a commonly used measure of inflation; it 
does not represent an investment return.

Lehman Brothers Municipal Bond Index is an unmanaged list of long-term 
fixed-rate investment-grade tax-exempt bonds representative of the 
municipal bond market. The index reinvests all distributions, does not 
take into account brokerage commissions or other costs, may include 
bonds different from those in the fund, and may pose different risks 
than the fund. It is not possible to invest directly in an index.



<TABLE>
<CAPTION>

Portfolio of investments owned
October 31, 1996 (Unaudited)

                   Key to Abbreviations
                   AMBAC      -- AMBAC Indemnity Corporation
                   COP        -- Certificate of Participation
                   FGIC       -- Financial Guaranty Insurance Company
                   FSA        -- Financial Security Assurance
                   GNMA Coll. -- Government National Mortgage Association Collateralized
                   IFB        -- Inverse Floating Rate Bonds
                   IF COP     -- Inverse Floating Rate Certificate of Participation
                   MBIA       -- Municipal Bond Investors Assurance Corporation
                   VRDN       -- Variable Rate Demand Notes

MUNICIPAL BONDS AND NOTES (97.3%)*
PRINCIPAL AMOUNT                                                                             RATINGS**                   VALUE

<S>   <C>         <C>                                                                      <C>                      <C>
Alabama  (2.1%)
- ------------------------------------------------------------------------------------------------------------------------------
       $5,000,000  Butler, Indl. Dev. Board Rev. Bonds (Solid Waste 
                   Disp. James River Corp. ), 8s, 9/1/28                                     BBB                     5,556,250

Arizona  (1.2%)
- ------------------------------------------------------------------------------------------------------------------------------
        2,860,000  Scottsdale, Indl. Dev. Auth. Rev. Bonds 
                   (Westminster Village ), 7 7/8s, 6/1/09                                    BB/P                    3,053,050

California  (10.3%)
- ------------------------------------------------------------------------------------------------------------------------------
        5,000,000  Foothill/Eastern Trans. Corridor Agcy. Rev. Bonds 
                  (CA Toll Roads), Ser. A, 5s, 1/1/35                                        Baa                     4,212,500
        3,000,000  Metro. Wtr. Dist. IFB (Southern CA Waterwks.), 
                   7.282s, 8/10/18                                                           Aa                      3,093,750
        2,000,000  Orange Cnty., Pub. Fac. Corp. COP (Solid Waste 
                   Management), 7 7/8s, 12/1/13                                              Baa                     2,110,000
        5,000,000  San Bernardino Cnty. COP (Med. Ctr. Fin. ), 
                   Ser. A, MBIA, 6 1/2s, 8/1/17                                              Aaa                     5,562,500
        3,000,000  San Diego, IF COP, AMBAC, 8.12s, 9/1/07                                   Aaa                     3,142,500
        6,000,000  San Diego Cnty., COP, AMBAC, 5 5/8s, 9/1/12                               Aaa                     6,067,500
        3,000,000  So. CA Pub. Pwr. Auth. IFB, FGIC, 6.79s, 7/1/17                           Aaa                     2,771,250
                                                                                                                   -----------
                                                                                                                    26,960,000

Colorado  (6.5%)
- ------------------------------------------------------------------------------------------------------------------------------
                   Denver, City & Cnty. Arpt. Rev. Bonds,
        9,440,000  Ser. A, 8 3/4s, 11/15/23                                                  Baa                    11,115,600
        3,160,000    MBIA, 8 1/2s, 11/15/23                                                  Aaa                     3,673,500
        2,000,000    Ser. D, 7 3/4s, 11/15/21                                                Baa                     2,215,000
                                                                                                                   -----------
                                                                                                                    17,004,100

Florida  (1.3%)
- ------------------------------------------------------------------------------------------------------------------------------
        3,000,000  Broward Cnty., Resource Recvy. Rev. Bonds (SES 
                   Broward Cnty. LP South ), 7.95s, 12/1/08                                  A                       3,307,500

Illinois  (14.2%)
- ------------------------------------------------------------------------------------------------------------------------------
                   Chicago, O'Hare Intl. Arpt. Special Fac. 
                   Rev. Bonds (United Air Lines, Inc.)
       10,900,000    Ser. 84A, 8.85s, 5/1/18                                                 Baa                    12,289,750
        8,930,000    Ser. C, 8.2s, 5/1/18                                                    Baa                     9,689,050
       10,000,000  IL Hsg. Dev. Auth. Multi-Fam. Rev. Bonds, 
                   Ser. 91A, 8 1/4s, 7/1/16                                                  A                      10,687,500
        1,900,000  IL Hsg. Dev. Auth. Res. Mtge. IFB, 9.907s, 2/1/20 
                   (acquired 5/28/93, cost $2,152,225) (double dagger)                       Aa                      2,052,000
        8,330,000  IL Hsg. Dev. Auth. Metropolitan Pier & Exposition 
                   Auth. Rev. Bonds (McCormick), Ser. A, MBIA, 
                   zero %, 12/15/16                                                          Aaa                     2,592,712
                                                                                                                   -----------
                                                                                                                    37,311,012

Indiana  (2.0%)
- ------------------------------------------------------------------------------------------------------------------------------
        3,000,000  IL State Dev. Fin. Auth. Rev. Bonds 
                   (Inland Steel Co. ), 6.85s, 12/1/12                                       BB                      3,108,750
        2,000,000  Indianapolis, Indl. Arpt. Auth. Special Fac. Rev. Bonds 
                   (Federal Express Corp. ), 7.1s, 1/15/17                                   Baa                     2,137,500
                                                                                                                   -----------
                                                                                                                     5,246,250

Kentucky  (1.9%)
- ------------------------------------------------------------------------------------------------------------------------------
                   Kenton Cnty., Arpt. Board Special Fac. Rev. Bonds 
                   (Delta Air Lines, Inc. )
        3,400,000    Ser. A, 7 1/2s, 2/1/20                                                  Baa                     3,655,000
        1,300,000    Ser. B, 7 1/4s, 2/1/22                                                  Baa                     1,387,750
                                                                                                                   -----------
                                                                                                                     5,042,750

Louisiana  (3.4%)
- ------------------------------------------------------------------------------------------------------------------------------
        5,500,000  Port of New Orleans, Indl. Dev. Rev. Bonds 
                   (Continental Grain Co. ), 7 1/2s, 7/1/13                                  BB                      5,857,500
        2,850,000  St. Charles Parish, Poll. Control Rev. Bonds 
                   (LA Pwr. & Lt. Co.), 8s, 12/1/14                                          Baa                     3,110,063
                                                                                                                   -----------
                                                                                                                     8,967,563

Massachusetts  (4.9%)
- ------------------------------------------------------------------------------------------------------------------------------
                   MA State Hlth. & Edl. Fac. Auth. Rev. Bonds
        3,135,000    (Norwood Hosp.), Ser. E, 8s, 7/1/12                                     Ba                      3,189,863
        3,000,000    (Rehab. Hosp. Cape & Islands), 
                     Ser. A, 7 7/8s, 8/15/24                                                 BB/P                    3,116,250
                   MA State Indl. Fin. Agcy. Resource Recvy.
        3,000,000   Rev. Bonds (Southeastern MA ), Ser. A, 9s, 7/1/15                        BB/P                    3,393,750
        1,000,000    (1st Mtge. Brookhaven), Ser. A, 7s, 1/1/15                              BBB/P                   1,030,000
        2,500,000  MA State Wtr. Resources Auth. Rev. Bonds, 
                   Ser. B, MBIA, 4 3/4s, 12/1/21                                             Aaa                     2,140,625
                                                                                                                   -----------
                                                                                                                    12,870,488

Michigan  (1.7%)
- ------------------------------------------------------------------------------------------------------------------------------
        1,700,000  Dickinson Cnty., Hosp. Rev. Bonds (Memorial 
                   Hosp. Syst.), 8 1/8s, 11/1/24                                             BBB                     1,863,625
        2,500,000  MI State Hsg. Dev. Auth. Rental Hsg. Rev. Bonds, 
                   Ser. A, FSA, 7.55s, 4/1/23                                                Aaa                     2,690,625
                                                                                                                   -----------
                                                                                                                     4,554,250

Mississippi  (1.0%)
- ------------------------------------------------------------------------------------------------------------------------------
        2,500,000  Claiborne Cnty., Poll. Control Rev. Bonds (Middle 
                   South Energy, Inc.), Ser. B, 8 1/4s, 6/1/14                               BB/P                    2,709,375

Missouri  (0.5%)
- ------------------------------------------------------------------------------------------------------------------------------
        1,300,000  Kansas City, Indl. Dev. Auth. VRDN (Resh Hlth. 
                   Svcs. Syst.), MBIA, 3.7s, 10/15/15                                        VMIG1                   1,300,000

Nebraska  (1.1%)
- ------------------------------------------------------------------------------------------------------------------------------
        2,500,000  NE Investment Fin. Auth. Single Fam. Mtge. 
                     IFB, Ser. 2, GNMA Coll., 11.51s, 9/10/30                                Aaa                     2,787,500

Nevada  (2.3%)
- ------------------------------------------------------------------------------------------------------------------------------
                   Clark Cnty., Indl. Dev. Rev. Bonds (Southwest Gas Corp.)
        2,750,000    Ser. B, 7 1/2s, 9/1/32                                                  Baa                     2,942,500
        3,000,000    Ser. A, 6 1/2s, 12/1/33                                                 Baa                     3,003,750
                                                                                                                   -----------
                                                                                                                     5,946,250

New Jersey  (9.8%)
- ------------------------------------------------------------------------------------------------------------------------------
        9,000,000  NJ Econ. Dev. Auth. Elec. Energy Fac. Rev. Bonds 
                   (Vineland Cogeneration L.P.), 7 7/8s, 6/1/19                              BB                      9,731,250
                   Hlth. Care Fac. Fin. Auth. Rev. Bonds
        1,500,000    (Kimball Med. Ctr.), Ser. C, 8s, 7/1/13                                 BBB                     1,608,750
        2,590,000    (Raritan Bay Med. Ctr.), 7 1/4s, 7/1/14                                 BB/P                    2,725,975
       10,000,000  Salem Cnty. Indl. Poll. Control Fin. Auth. IFB, MBIA, 
                   8.954s, 10/1/29 (acquired 10/28/94, cost $9,750,000) (double dagger)      Aaa                    11,712,500
                                                                                                                   -----------
                                                                                                                    25,778,475

New York  (2.8%)
- ------------------------------------------------------------------------------------------------------------------------------
        4,600,000  NY City, Indl. Dev. Agcy. Special Fac. Rev. Bonds 
                   (American Airlines, Inc.), 8s, 7/1/20                                     Baa                     4,916,250
        2,500,000  NY State Dorm. Auth. Rev. Bonds (U. Syst. Construction), 
                   Ser. A, 5 5/8s, 7/1/16                                                    Baa                     2,431,250
                                                                                                                   -----------
                                                                                                                     7,347,500

North Carolina  (0.8%)
- ------------------------------------------------------------------------------------------------------------------------------
        2,000,000  NC Eastern Muni. Pwr. Agcy. Syst. Rev. Bonds, 
                   Ser. B, 6s, 1/1/22                                                        Baa                     1,970,000

Ohio  (1.2%)
- ------------------------------------------------------------------------------------------------------------------------------
        2,813,000  OH Hsg. Fin. Agcy. Single Fam. Mtge. IFB, 
                   Ser. A-2, GNMA Coll., 9.909s, 3/24/31                                     Aaa                     3,009,910

Pennsylvania  (7.3%)
- ------------------------------------------------------------------------------------------------------------------------------
        5,000,000  Allegheny Cnty., Hosp. Dev. Auth. Rev. Bonds 
                   (Pittsburgh Mercy Hlth. Syst.), AMBAC, 
                    5 5/8s, 8/15/26                                                          Aaa                     4,912,500
        7,000,000  Montgomery Cnty., Higher Edl. & Hlth. Auth. Hosp. 
                   Rev. Bonds (UTD Hosp.), Ser. B, 8 3/8s, 11/1/11                           Aaa                     7,883,750
        1,000,000  PA State Econ. Dev. Fin. Auth. Resource Recvy. 
                   Rev. Bonds (Colver), Ser. D, 7.15s, 12/1/18                               BBB                     1,053,750
        5,000,000  PA State Higher Ed. Assistance Agcy. Student 
                   Loan IFB, AMBAC, 9.834s, 9/3/26                                           Aaa                     5,325,000
                                                                                                                   -----------
                                                                                                                    19,175,000

South Carolina  (1.8%)
- ------------------------------------------------------------------------------------------------------------------------------
        4,500,000  Spartanburg Cnty., Solid Waste Disp. Rev. Bonds 
                   (Bayerische Motoren Werke), 7.55s, 11/1/24                                A/P                     4,848,750

Tennessee  (0.3%)
- ------------------------------------------------------------------------------------------------------------------------------
          900,000  Metro. Nashville Arpt. Auth. Fac. VRDN (American Airlines), 
                   Ser. A, 3.65s, 10/1/12                                                    VMIG1                     900,000

Texas  (11.7%)
- ------------------------------------------------------------------------------------------------------------------------------
        5,500,000  Alliance Arpt. Auth. Special Fac. Rev. Bonds (American 
                   Airlines, Inc.), 7 1/2s, 12/1/29                                          Baa                     5,864,375
                   Bexar Cnty., Hlth. Fac. Dev. Corp. Rev. Bonds (Baptist Memorial Hosp.)
        4,800,000    7.9s, 5/1/18                                                            Aaa                     5,622,000
        2,000,000    7.9s, 5/1/11                                                            Aaa                     2,342,500
        4,500,000  Brazos River, Poll. Control Auth. Rev. Bonds 
                   (TX Utils. Elec. Co.), Ser. A, 7 7/8s, 3/1/21                             Baa                     4,961,250
        2,420,000  Jefferson Cnty., Hlth. Fac. Dev. Corp. Hosp. Rev. Bonds 
                   (Baptist Healthcare Syst.), 8 7/8s, 6/1/21                                Ba                      2,528,900
        3,535,000  Port Corpus Christi, Indl. Dev. Corp. Rev. Bonds (Valero 
                   Refining & Marketing Co.), Ser. A, 10 1/4s, 6/1/17                        Baa                     3,753,569
        5,000,000  Titus Cnty., Fresh Wtr. Supply Dist. No. 1 Poll. Rev. Bonds 
                   (Southwestern Elec. Pwr. Co.), Ser. A, 8.2s, 8/1/11                       Aa                      5,737,500
                                                                                                                   -----------
                                                                                                                    30,810,094

Virginia  (1.4%)
- ------------------------------------------------------------------------------------------------------------------------------
        3,000,000  Fairfax Cnty., Indl. Dev. Auth. IFB (Fairfax Hosp. Syst.), 
                   Ser. C, 9.595s, 8/29/23                                                   Aaa                     3,682,500

Washington  (5.8%)
- ------------------------------------------------------------------------------------------------------------------------------
        7,150,000  Pierce Cnty., Econ. Dev. Corp. Rev. Bonds (Solid 
                   Waste-Occidental Petroleum), 5.8s, 9/1/29                                 Baa                     6,703,125
        3,450,000  WA State Hlth. Care Fac. VRDN (Sisters Providence), 
                   Ser. E, 3.6s, 10/1/05                                                     VMIG1                   3,450,000
        5,000,000  WA State Pub. Pwr. Auth. Rev. Bonds (Nuclear  No. 2), 
                   Ser. A, MBIA, 5.7s, 7/1/12                                                Aaa                     5,012,500
                                                                                                                   -----------
                                                                                                                    15,165,625
- ------------------------------------------------------------------------------------------------------------------------------
                   Total Investments (cost $250,342,381)***                                                        255,304,192
- ------------------------------------------------------------------------------------------------------------------------------

*                  Percentages indicated are based on net assets of $262,262,632.

                   Net assets available to common shareholders are $222,240,341.

**                 The Moody's or Standard & Poor's ratings indicated are
                   believed to be the most recent ratings available at
                   October 31, 1996 for the securities listed.  Ratings
                   are generally ascribed to securities at the time of
                   issuance. While the agencies may from time to time revise
                   such ratings, they undertake no obligation to do so, and the
                   ratings do not necessarily represent what the agencies would
                   ascribe to these securities at October 31, 1996. Securities 
                   rated by Putnam are indicated by "/P" and are not publicly 
                   rated.

                   The table below shows the percentage of the fund's
                   investment on October 31, 1996 in securities
                   assigned to various rating categories by Moody's and
                   Standard & Poor's and in unrated securities determined by
                   Putnam Management to be of comparable quality.


<CAPTION>

                                                                        Unrated securities
                                  Rated securities                    of comparable quality,
                                as a percentage of                     as a percentage of
Rating                          fund's net assets                      fund's net assets
- -----------------------------------------------------------------------------------------
<S>                                  <C>                                     <C>
AAA/Aaa                               30.8%                                     --
AA/Aa                                  4.1                                      --
A/A                                    5.3                                     1.8%
BBB/Baa                               37.6                                     0.4
BB/Ba                                  8.3                                     5.7
B/B                                    1.0                                      --
A-1/VMIGI                              2.2                                      --
- -----------------------------------------------------------------------------------------
                                      89.3%                                    8.0%
- -----------------------------------------------------------------------------------------


***                The aggregate identified cost on a tax basis is
                   $250,342,381, resulting in gross unrealized appreciation and
                   depreciation of $8,760,753 and $3,798,942, respectively,
                   or net unrealized appreciation of $4,961,811.

(double dagger)    Restricted, excluding 144A securities, as to public resale.
                   The total market value of restricted securities held at
                   October 31, 1996 was $13,764,500 or 5.2% of
                   net assets.

                   The fund had the following industry group
                   concentrations greater than 10% at
                   October 31, 1996 (as a percentage of net assets):

                   Transportation        27.4%
                   Utilities            26.10
                   Healthcare            11.3

                   The rates shown on IFB and IF COP, which are securities
                   paying interest rates that vary inversely to changes in the
                   market interest rates, and VRDN's are the current interest
                   rates at October 31, 1996.
Footnote reads:
The accompanying notes are an integral part of these financial statements.

</TABLE>



<TABLE>
<CAPTION>

Statement of assets and liabilities
October 31, 1996 (Unaudited)

<S>                                                                 <C>
Assets
- ---------------------------------------------------------------------------------
Investments in securities, at value (identified 
cost $250,342,381) (Note 1)                                          $255,304,192
- ---------------------------------------------------------------------------------
Cash                                                                       66,417
- ---------------------------------------------------------------------------------
Interest receivable                                                     5,761,252
- ---------------------------------------------------------------------------------
Receivable for securities sold                                          3,086,417
- ---------------------------------------------------------------------------------
Unamortized organization expenses (Note 1)                                 10,047
- ---------------------------------------------------------------------------------
Total assets                                                          264,228,325

Liabilities
- ---------------------------------------------------------------------------------
Distributions payable to shareholders                                   1,332,920
- ---------------------------------------------------------------------------------
Payable for compensation of Manager (Note 2)                              470,744
- ---------------------------------------------------------------------------------
Payable for investor servicing and custodian fees (Note 2)                 16,004
- ---------------------------------------------------------------------------------
Payable for compensation of Trustees (Note 2)                                  81
- ---------------------------------------------------------------------------------
Payable for administrative services (Note 2)                                2,589
- ---------------------------------------------------------------------------------
Payable for organization expense (Note 1)                                  36,681
- ---------------------------------------------------------------------------------
Other accrued expenses                                                    106,674
- ---------------------------------------------------------------------------------
Total liabilities                                                       1,965,693
- ---------------------------------------------------------------------------------
Net Assets                                                           $262,262,632

Represented by
- ---------------------------------------------------------------------------------
Remarketed preferred shares (800 shares issued and
outstanding at $50,000 per share) (Note 4)                            $40,000,000
- ---------------------------------------------------------------------------------
Paid in capital-common shares (Note 1)                                226,378,559
- ---------------------------------------------------------------------------------
Undistributed net investment income (Note 1)                              140,090
- ---------------------------------------------------------------------------------
Accumulated net realized loss on investments (Note 1)                  (9,217,828)
- ---------------------------------------------------------------------------------
Net unrealized appreciation of investments                              4,961,811
- ---------------------------------------------------------------------------------
Total - Representing net assets applicable 
to capital shares outstanding                                        $262,262,632

Computation of net asset value:
- ---------------------------------------------------------------------------------
Remarketed preferred shares                                           $40,000,000
- ---------------------------------------------------------------------------------
Cumulative undeclared dividends on remarketed 
preferred shares                                                           22,291
- ---------------------------------------------------------------------------------
Net assets allocated to remarketed 
preferred shares -- liquidation preference                            $40,022,291
- ---------------------------------------------------------------------------------
Net assets available to common shares                                $222,240,341
- ---------------------------------------------------------------------------------
Net asset value per common share ($222,240,341 
divided by 16,157,092 shares)                                              $13.75
- ---------------------------------------------------------------------------------
Footnote reads:
The accompanying notes are an integral part of these financial statements.

</TABLE>



<TABLE>
<CAPTION>

Statement of Operations
Six months ended October 31, 1996 (Unaudited)

- ----------------------------------------------------------------------------------
<S>                                                                     <C>
Tax exempt interest income:                                             $9,188,225
- ----------------------------------------------------------------------------------

Expenses:
- ----------------------------------------------------------------------------------
Compensation of Manager (Note 2)                                           926,251
- ----------------------------------------------------------------------------------
Investor servicing and custodian fees (Note 2)                             103,945
- ----------------------------------------------------------------------------------
Compensation of Trustees (Note 2)                                            6,254
- ----------------------------------------------------------------------------------
Administrative services (Note 2)                                             3,862
- ----------------------------------------------------------------------------------
Amortization of organization expenses (Note 1)                               3,211
- ----------------------------------------------------------------------------------
Reports to shareholders                                                     31,553
- ----------------------------------------------------------------------------------
Auditing                                                                    27,245
- ----------------------------------------------------------------------------------
Legal                                                                        8,135
- ----------------------------------------------------------------------------------
Postage                                                                     89,055
- ----------------------------------------------------------------------------------
Exchange listing fees                                                       12,130
- ----------------------------------------------------------------------------------
Preferred share remarketing agent fees                                      46,098
- ----------------------------------------------------------------------------------
Other                                                                          587
- ----------------------------------------------------------------------------------
Total expenses                                                           1,258,326
- ----------------------------------------------------------------------------------
Expense reduction (Note 2)                                                 (29,916)
- ----------------------------------------------------------------------------------
Net expenses                                                             1,228,410
- ----------------------------------------------------------------------------------
Net investment income                                                    7,959,815
- ----------------------------------------------------------------------------------
Net realized gain on investments (Notes 1 and 3)                           356,037
- ----------------------------------------------------------------------------------
Net realized gain on futures contracts (Note 1)                            440,942
- ----------------------------------------------------------------------------------
Net unrealized appreciation of investments 
and futures contracts during the period                                  4,146,583
- ----------------------------------------------------------------------------------
Net gain on investments                                                  4,943,562
- ----------------------------------------------------------------------------------
Net increase in net assets resulting from operations                   $12,903,377
- ----------------------------------------------------------------------------------

The accompanying notes are an integral part of these financial statements.

</TABLE>



<TABLE>
<CAPTION>

Statement of changes in net assets

                                                                         Six months ended            Year ended
                                                                               October 31              April 30
                                                                                     1996+                 1995
<S>                                                                          <C>                  <C>
- ---------------------------------------------------------------------------------------------------------------
Increase in net assets
- ---------------------------------------------------------------------------------------------------------------
Operations:
- ---------------------------------------------------------------------------------------------------------------
Net investment income                                                         $7,959,815            $16,028,262
- ---------------------------------------------------------------------------------------------------------------
Net realized gain on investments                                                 796,979              2,139,601
- ---------------------------------------------------------------------------------------------------------------
Net unrealized appreciation of investments                                     4,146,583              3,617,324
- ---------------------------------------------------------------------------------------------------------------
Net increase in net assets resulting from operations                          12,903,377             21,785,187
- ---------------------------------------------------------------------------------------------------------------
Distributions to remarketed preferred shareholders:
- ---------------------------------------------------------------------------------------------------------------
From net investment income                                                      (762,664)            (1,455,352)
- ---------------------------------------------------------------------------------------------------------------
Net increase in net assets resulting from operations 
(excluding cumulative undeclared dividends on
remarketed preferred shares of $22,291 and $71,506, 
respectively)                                                                 12,140,713             20,329,835
- ---------------------------------------------------------------------------------------------------------------
Distributions to common shareholders:
- ---------------------------------------------------------------------------------------------------------------
From net investment income                                                    (7,997,478)           (15,995,243)
- ---------------------------------------------------------------------------------------------------------------
Total increase in net assets                                                   4,143,235              4,334,592
- ---------------------------------------------------------------------------------------------------------------
Net assets
- ---------------------------------------------------------------------------------------------------------------
Beginning of period                                                          258,119,397            253,784,805
- ---------------------------------------------------------------------------------------------------------------
End of period (including undistributed net investment
income of $140,090 and $940,417, respectively)                             $262,262,632           $258,119,397
- ---------------------------------------------------------------------------------------------------------------
Number of fund shares
- ---------------------------------------------------------------------------------------------------------------
Common shares outstanding at beginning and end of period                      16,157,092             16,157,092
- ---------------------------------------------------------------------------------------------------------------
Remarketed preferred shares outstanding 
at beginning and end of period                                                       800                    800
- ---------------------------------------------------------------------------------------------------------------

+Unaudited

The accompanying notes are an integral part of these financial statements

</TABLE>



<TABLE>
<CAPTION>

Financial highlights
(For a share outstanding throughout the period)

                                                           Six months ended                      Year ended          
                                                                 October 31             April 30             April 30
                                                       --------------------------------------------------------------
                                                                       1996+                1996                 1995
                                                       --------------------------------------------------------------
<S>                                                                 <C>                  <C>                  <C>
Net asset value, beginning of period (common shares)                 $13.50               $13.23               $13.57
- ---------------------------------------------------------------------------------------------------------------------
Investment operations:
- ---------------------------------------------------------------------------------------------------------------------
Net investment income                                                   .49                  .99                 1.02
- ---------------------------------------------------------------------------------------------------------------------
Net realized and unrealized gain (loss) on investments                  .31                  .36                 (.16)
- ---------------------------------------------------------------------------------------------------------------------
Total from investment operations                                        .80                 1.35                  .86
- ---------------------------------------------------------------------------------------------------------------------
Less distributions:
- ---------------------------------------------------------------------------------------------------------------------
From net investment income:
- ---------------------------------------------------------------------------------------------------------------------
To preferred shareholders                                              (.05)                (.09)                (.08)
- ---------------------------------------------------------------------------------------------------------------------
To common shareholders                                                 (.50)                (.99)                (.99)
- ---------------------------------------------------------------------------------------------------------------------
From net realized gains on investments:
- ---------------------------------------------------------------------------------------------------------------------
To common shareholders                                                   --                   --                 (.09)
- ---------------------------------------------------------------------------------------------------------------------
In excess of capital gains:
- ---------------------------------------------------------------------------------------------------------------------
To common shareholders                                                   --                   --                 (.03)
- ---------------------------------------------------------------------------------------------------------------------
Total distributions                                                    (.55)               (1.08)               (1.19)
- ---------------------------------------------------------------------------------------------------------------------
Preferred share offering costs                                           --                   --                   --
- ---------------------------------------------------------------------------------------------------------------------
Common share offering costs                                              --                   --                 (.01)(g)
- ---------------------------------------------------------------------------------------------------------------------
Net asset value, end of period (common shares)                       $13.75               $13.50               $13.23
- ---------------------------------------------------------------------------------------------------------------------
Market value, end of period (common shares)                         $13.875              $13.625              $12.250
- ---------------------------------------------------------------------------------------------------------------------
Total investment return, at market value (common shares) (%)(b)        5.54*               19.64                 5.82
- ---------------------------------------------------------------------------------------------------------------------
Net assets, end of period (in thousands)                           $262,263             $258,119             $253,785
- ---------------------------------------------------------------------------------------------------------------------
Ratio of expenses to average net assets (%)(c)(d)                       .57*                1.05                  .95
- ---------------------------------------------------------------------------------------------------------------------
Ratio of net investment income to average net assets (%)(c)            3.29*                6.54                 6.04
- ---------------------------------------------------------------------------------------------------------------------
Portfolio turnover rate (%)                                           12.36*               49.97                59.13
- ---------------------------------------------------------------------------------------------------------------------

</TABLE>



<TABLE>
<CAPTION>

Financial highlights (continued)
(For a share outstanding throughout the period)
                                                                       For the period
                                                                        May 28, 1993
                                                                     (commencement of
                                                                       operations) to
                                                                            April 30
                                                                  --------------------
                                                                             1994
                                                                  --------------------
<S>                                                                           <C>
Net asset value, beginning of period (common shares)                            $14.07(e)
- --------------------------------------------------------------------------------------
Investment operations:
- --------------------------------------------------------------------------------------
Net investment income                                                              .94(a)
- --------------------------------------------------------------------------------------
Net realized and unrealized gain (loss) on investments                            (.59)
- --------------------------------------------------------------------------------------
Total from investment operations                                                   .35
- --------------------------------------------------------------------------------------
Less distributions:
- --------------------------------------------------------------------------------------
From net investment income:
- --------------------------------------------------------------------------------------
To preferred shareholders                                                         (.05)(f)
- --------------------------------------------------------------------------------------
To common shareholders                                                            (.70)
- --------------------------------------------------------------------------------------
From net realized gains on investments:
- --------------------------------------------------------------------------------------
To common shareholders                                                            (.05)
- --------------------------------------------------------------------------------------
In excess of capital gains:
- --------------------------------------------------------------------------------------
To common shareholders                                                              --
- --------------------------------------------------------------------------------------
Total distributions                                                               (.80)
- --------------------------------------------------------------------------------------
Preferred share offering costs                                                    (.05)
- --------------------------------------------------------------------------------------
Common share offering costs                                                         --
- --------------------------------------------------------------------------------------
Net asset value, end of period (common shares)                                  $13.57
- --------------------------------------------------------------------------------------
Market value, end of period (common shares)                                    $12.625
- --------------------------------------------------------------------------------------
Total investment return, at market value (common shares) (%)(b)                 (11.22)*
- --------------------------------------------------------------------------------------
Net assets, end of period (in thousands)                                      $259,295
- --------------------------------------------------------------------------------------
Ratio of expenses to average net assets (%)(c)(d)                                 .94*
- --------------------------------------------------------------------------------------
Ratio of net investment income to average net assets (%)(c)                       6.14*
- --------------------------------------------------------------------------------------
Portfolio turnover rate (%)                                                      60.52*
- --------------------------------------------------------------------------------------

 *   Not annualized.

 +   Unaudited

(a)  Reflects a waiver of the management fee.
     As a result of the waiver, expenses of the fund for
     the period ended April 30, 1994 reflect a reduction of less than $0.01
     per share.

(b)  Total investment return assumes dividend reinvestment.

(c)  Ratios reflect net assets available to common shares only: net investment
     income ratio also reflects reduction for dividend payments to preferred
     shareholders.

(d)  The ratio of expenses to average net assets for the year ended April 30,
     1996 and thereafter, include amounts paid through expense offset
     arrangements. Prior period ratios exclude these amounts. (Note 2)

(e)  Represents initial net asset value of $14.10 less offering expenses of $0.03.

(f)  Preferred shares were issued on August 3, 1993.

(g)  Adjustments of the original offering costs to reflect actual costs incurred.

</TABLE>



Notes to financial statements
October 31, 1996 (Unaudited)

Note 1
Significant accounting policies

The fund is registered under the Investment Company Act of 1940, as 
amended, as a non-diversified, closed-end management investment company. 
The fund's investment objective is to seek a high level of current 
income exempt from federal income tax, consistent with preservation of 
capital. The fund intends to achieve its objective by investing in a 
portfolio of investment grade municipal bonds that Putnam Investment 
Management, Inc. ("Putnam Management"), the fund's Manager, a wholly-
owned subsidiary of Putnam Investments, Inc., believes to be consistent 
with preservation of capital. 

The following is a summary of significant accounting policies 
consistently followed by the fund in the preparation of its financial 
statements. The preparation of financial statements is in conformity 
with generally accepted accounting principles and requires management to 
make estimates and assumptions that affect the reported amounts of 
assets and liabilities. Actual results could differ from those 
estimates.

A) Security valuation Tax-exempt bonds and notes are stated on the basis 
of valuations provided by a pricing service, approved by the Trustees, 
which uses information with respect to transactions in bonds, quotations 
from bond dealers, market transactions in comparable securities and 
various relationships between securities in determining value. The fair 
value of restricted securities is determined by the Manager following 
procedures approved by the Trustees, and such valuations and procedures 
are reviewed periodically by the Trustees.

B) Security transactions and related investment income Security 
transactions are accounted for on the trade date (date the order to buy 
or sell is executed). Interest income is recorded on the accrual basis.

C) Futures and options contracts The fund may use futures and options 
contracts to hedge against changes in the values of securities the fund 
owns or expects to purchase. The fund may also write options on 
securities it owns or in which it may invest to increase its current 
returns.

The potential risk to the fund is that the change in value of futures 
and options contracts may not correspond to the change in value of the 
hedged instruments. In addition, losses may arise from changes in the 
value of the underlying instruments, if there is an illiquid secondary 
market for the contracts, or if the counterparty to the contract is 
unable to perform.

Futures contracts are valued at the quoted daily settlement prices 
established by the exchange on which they trade. Exchange traded options 
are valued at the last sale price, or if no sales are reported, the last 
bid price for purchased options and the last ask price for written 
options. Options traded over-the-counter are valued using prices 
supplied by dealers.

D) Federal taxes It is the policy of the fund to distribute all of its 
income within the prescribed time and otherwise comply with the 
provisions of the Internal Revenue Code applicable to regulated 
investment companies. It is also the intention of the fund to distribute 
an amount sufficient to avoid imposition of any excise tax under Section 
4982 of the Internal Revenue Code of 1986. Therefore, no provision has 
been made for federal taxes on income, capital gains or unrealized 
appreciation on securities held nor for excise tax on income and capital 
gains.

At April 30, 1996, the fund had a capital loss carryover of 
approximately $9,215,000 available to offset future capital gains, if 
any. The amount of the carryover and the expiration dates are:

                    Loss Carryover               Expiration
                 --------------------       --------------------

                      $4,634,000                  4/30/2003

                       4,581,000                  4/30/2004

E) Distributions to shareholders Distributions to common and preferred 
shareholders are recorded by the fund on the ex-dividend date. Dividends 
on remarketed preferred shares become payable when, as and if declared 
by the Trustees. Each dividend period for the remarketed preferred 
shares is generally a 28 day period. The applicable dividend rate for 
the remarketed preferred shares on October 31, 1996 was 3.39%. The 
amount and character of income and gains to be distributed are 
determined in accordance with income tax regulations which may differ 
from generally accepted accounting principles. Reclassifications are 
made to the fund's capital accounts to reflect income and gains 
available for distribution (or available capital loss carryovers) under 
income tax regulations.

F) Determination of net asset value Net asset value of the common 
shares is determined by dividing the value of all assets of the fund 
(including accrued interest and dividends), less all liabilities 
(including accrued expenses) and the liquidation preference of any 
outstanding remarketed preferred shares, by the total number of common 
shares outstanding.

G) Amortization of bond premium and accretion of bond discount Any 
premium resulting from the purchase of securities in excess of maturity 
value is amortized on a yield-to-maturity basis. Discounts on zero 
coupon bonds, and original issue bonds are accreted according to the 
effective yield method.

H) Unamortized organization expenses Expenses incurred by the fund in 
connection with its organization, its registration with the Securities 
and Exchange Commission and with various states and the initial public 
offering of its shares were $36,681. These expenses are being amortized 
on straight-line basis over a five year period.

The fund will reimburse Putnam Management for the payment of these 
expenses. 

Note 2
Management fee, administrative services, and other transactions

Compensation of Putnam Management, for management and investment 
advisory services and administrative services fees is paid quarterly 
based on the average net assets of the fund, including amounts 
attributable to any preferred shares that may be outstanding. Such fees 
in the aggregate are based on the annual rate of 0.70% of the first $500 
million of the average net asset value of the fund, 0.60% of the next 
$500 million, 0.55% of the next $500 million, and 0.50% of any amount 
over $1.5 billion of such average net asset value by the amount of 
certain brokerage commissions and fees (less expenses) received by 
affiliates of Putnam Management on the fund's portfolio transactions.

If dividends payable on remarketed preferred shares during any dividend 
payment period plus any expenses attributable to remarketed preferred 
shares for the period exceed the fund's net income attributable to the 
proceeds of the remarketed preferred shares during that period, then the 
fee payable to Putnam Management for that period will be reduced by an 
agreed upon formula. See "Administration Services Contract."

The fund reimburses Putnam Management for the compensation and related 
expenses of certain officers of the fund and their staff who provide 
administrative services to the fund. The aggregate amount of all such 
reimbursements is determined annually by the Trustees.

Custodial functions for the fund's assets are provided by Putnam 
Fiduciary Trust Company (PFTC), a wholly-owned subsidiary of Putnam 
Investments, Inc. 

Investor servicing agent functions are provided by Putnam Investor 
Services, a division of PFTC. 

For the six months ended October 31, 1996, fund expenses were reduced by 
$29,916 under expense offset arrangements with PFTC. Investor servicing 
and custodian fees reported in the Statement of operations exclude these 
credits. The fund could have invested a portion of the assets utilized 
in connection with the expense offset arrangements in an income 
producing asset if it had not entered into such arrangements.

Trustees of the fund receive an annual Trustees fee of $780 and an 
additional fee for each Trustee's meeting attended. Trustees who are not 
interested persons of Putnam Management and who serve on committees of 
the Trustees receive additional fees for attendance at certain committee 
meetings.

The fund adopted a Trustee Fee Deferral Plan (the "Plan") which allows 
the Trustees to defer the receipt of all or a portion of Trustees Fees 
payable on or after July 1, 1995. The deferred fees remain in the fund 
and are invested in certain Putnam funds until distribution in 
accordance with the Plan.

The fund has adopted an unfunded noncontributory defined benefit pension 
plan (the "Pension Plan") covering all Trustees of the Fund who have 
served as Trustee for at least five years. Benefits under the plan are 
equal to 50% of the Trustee's average total retainer and meeting fees 
for the three years preceding retirement. Pension expense for the fund 
is included in Compensation of trustees in the Statement of operations. 
Accrued pension liability is included in Payable for compensation of 
Trustees in the Statement of assets and liabilities.

Note 3
Purchase and sales of securities

During the six months ended October 31, 1996, purchases and sales of 
investment securities other than short-term investments aggregated 
$30,914,992 and $36,851,509, respectively. There were no purchases and 
sales of U.S. government obligations. In determining the net gain or 
loss on securities sold, the cost of securities has been determined on 
the identified cost basis.

Note 4
Remarketed preferred shares

The remarketed shares are redeemable at the option of the fund on any 
dividend payment date at a redemption price of $50,000 per share, plus 
an amount equal to any dividends accumulated on a daily basis but unpaid 
through the redemption date (whether or not such dividends have been 
declared) and, in certain circumstances, a call premium. 

It is anticipated that approximately 100% of total distributions and 
dividends paid during fiscal 1996 to holders of remarketed preferred 
shares will be considered tax-exempt dividends under the Internal 
Revenue Code of 1986. To the extent that the fund earns taxable income 
and capital gains by the conclusion of a fiscal year, it will be 
required to apportion to the holders of the remarketed preferred shares 
throughout that year additional dividends as necessary to result in an 
after-tax equivalent to the applicable dividend rate for the period. 

Under the Investment Company Act of 1940, the fund is required to 
maintain asset coverage of at least 200% with respect to the remarketed 
preferred shares as of the last business day of each month in which any 
such shares are outstanding. Additionally, the fund is required to meet 
more stringent asset coverage requirements under terms of the remarketed 
preferred shares and the shares' rating agencies. Should these 
requirements not be met, or should dividends accrued on the remarketed 
preferred shares not be paid, the fund may be restricted in its ability 
to declare dividends to common shareholders or may be required to redeem 
certain of the remarketed preferred shares. At October 31, 1996, no such 
restrictions have been placed on the fund.



Results of October 31, 1996 shareholder meeting
(Unaudited)


A meeting of shareholders of the fund was held on October 31, 1996.  At 
the meeting, each of the nominees for Trustees was elected, as follows: 

                             Common Shares           Preferred Shares
                            Votes    Votes           Votes    Votes
                             for    withheld          for    withheld

Jameson Adkins Baxter    9,433,547   202,241          458       44
Hans H. Estin            9,431,783   204,005          458       44
R.J. Jackson             9,432,047   203,741          458       44
Elizabeth T. Kennan      9,431,747   204,041          458       44
Lawrence J. Lasser       9,433,247   202,541          458       44
Donald S. Perkins        9,431,783   204,005          458       44
William F. Pounds        9,431,783   204,005          458       44
George Putnam            9,431,783   204,005          458       44
George Putnam, III       9,433,247   202,541          458       44
Eli Shapiro              9,431,153   204,635          358      144
A.J.C. Smith             9,433,547   202,241          458       44
W. Nicholas Thorndike    9,433,547   202,241          458       44



Results of October 31, 1996 shareholder meeting

<TABLE>
<CAPTION>


- --------------------------------------------------------------------------------------------------------------------------
                                                            Common Shares                     Preferred shares
- --------------------------------------------------------------------------------------------------------------------------
                                                                         Abstentions                           Abstentions
                                                 Votes         Votes      and Broker     Votes        Votes     and Broker
                                                   For       Against       Non-Votes       For      Against      Non-Votes
- --------------------------------------------------------------------------------------------------------------------------
<S>                                           <C>            <C>         <C>              <C>           <C>     
A proposal to ratify the selection of 
Coopers & Lybrand L.L.P. as auditors for 
the fund was approved as follows:             9,332,198       68,496       235,094         488           14              0
- --------------------------------------------------------------------------------------------------------------------------
A proposal to amend the fund's fundamental 
investment restriction with respect to 
diversification of investments was approved 
as follows                                    7,846,215      367,643     1,421,930         418           84              0
- --------------------------------------------------------------------------------------------------------------------------
A proposal to amend the fund's fundamental 
investment restriction with respect to 
investments in the securities of a 
single issuer was approved as follows         7,490,989      622,895     1,521,904         418           84              0
- --------------------------------------------------------------------------------------------------------------------------
A proposal to amend the fund's fundamental 
investment restriction with respect to 
making loans through purchases of debt 
obligations, repurchase agreements and 
securities loans was approved as follows      7,309,968      839,572     1,486,248         418           84              0
- --------------------------------------------------------------------------------------------------------------------------
A proposal to amend the fund's 
fundamental investment restriction with 
respect to concentration of its assets was 
approved as follows                           7,656,431      518,087     1,461,270         418           84              0
- --------------------------------------------------------------------------------------------------------------------------
A proposal to amend the fund's 
fundamental investment restriction with 
respect to investments in commodities 
or commodity contracts was approved 
as follows                                    7,278,542      908,635     1,448,611         418          84               0
- --------------------------------------------------------------------------------------------------------------------------
A proposal to eliminate the fund's 
fundamental investment restriction with 
respect to investments in securities of 
issuers in which management of the fund 
or Putnam Investment Management, Inc. 
owns securities was approved as follows       7,416,237      705,172     1,514,379         418          84               0
- --------------------------------------------------------------------------------------------------------------------------
A proposal to eliminate the fund's 
fundamental investment restriction with 
respect to margin transactions was 
approved as follows                           7,230,941      947,245     1,457,602         318         184               0
- --------------------------------------------------------------------------------------------------------------------------
A proposal to eliminate the fund's 
fundamental investment restriction with 
respect to short sales was approved 
as follows                                    7,250,322      913,291     1,472,175         318         184               0
- --------------------------------------------------------------------------------------------------------------------------
A proposal to eliminate the fund's 
fundamental investment restriction which 
limits the fund's ability to pledge assets 
was approved as follows                       7,198,776      973,362     1,463,650         418          84               0
- --------------------------------------------------------------------------------------------------------------------------
A proposal to eliminate the fund's 
fundamental investment restriction with 
respect to investments in certain oil, gas 
and mineral interests was approved 
as follows                                    7,436,924      759,324     1,439,540         318         184               0
- --------------------------------------------------------------------------------------------------------------------------
A proposal to eliminate the fund's 
fundamental investment restriction with 
respect to investing to gain control of a 
company's management was approved 
as follows                                    7,444,427      712,657     1,478,704         418          84               0
- --------------------------------------------------------------------------------------------------------------------------
A proposal to eliminate the fund's 
fundamental investment restriction with 
respect to investments in other 
investment companies was approved 
as follows                                    7,483,362      711,185     1,441,241         418          84               0
- --------------------------------------------------------------------------------------------------------------------------

All tabulations are rounded to nearest whole number.

</TABLE>



Fund information

INVESTMENT MANAGER

Putnam Investment 
Management, Inc.
One Post Office Square
Boston, MA 02109

MARKETING SERVICES

Putnam Mutual Funds Corp. 
One Post Office Square
Boston, MA 02109

CUSTODIAN

Putnam Fiduciary Trust Company

LEGAL COUNSEL

Ropes & Gray

TRUSTEES

George Putnam, Chairman
William F. Pounds, Vice Chairman
Jameson Adkins Baxter
Hans H. Estin
John A. Hill
Ronald J. Jackson
Elizabeth T. Kennan
Lawrence J. Lasser
Robert E. Patterson
Donald S. Perkins
George Putnam, III
Eli Shapiro
A.J.C. Smith
W. Nicholas Thorndike


OFFICERS

George Putnam
President 

Charles E. Porter
Executive Vice President

Patricia C. Flaherty
Senior Vice President

John D. Hughes
Senior Vice President and Treasurer

Lawrence J. Lasser
Vice President 

Gordon H. Silver
Vice President 

Gary Coburn
Vice President

Jerome J. Jacobs
Vice President

Blake E. Anderson
Vice President and Fund Manager 

William N. Shiebler
Vice President 

John R. Verani
Vice President 

Paul M. O'Neil
Vice President 

Beverly Marcus
Clerk and Assistant Treasurer

Call 1-800-225-1581 weekdays from 9 a.m. to 5 p.m. Eastern Time for up-
to-date information about the fund's NAV.



PUTNAM INVESTMENTS

The Putnam Funds
One Post Office Square
Boston, Massachusetts 02109

- ---------------------
Bulk Rate 
U.S. Postage
PAID
Putnam
Investments

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

29213-582                       12/96


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