PUTNAM INVESTMENT GRADE MUNICIPAL TRUST
N-30D, 1995-01-30
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Putnam 
Investment 
Grade 
Municipal 
Trust 

ANNUAL REPORT 

November 30, 1994 
                            (Art--balance scales)
                    B O S T O N * L O N D O N * T O K Y O 

<PAGE> 

Performance highlights 
From the Chairman 

> According to Lipper Analytical Services, the fund was ranked number one 
  among all closed-end general municipal debt funds for both the three- and 
  five-year periods ended November 30, 1994.* 

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

FISCAL 1994 RESULTS AT A GLANCE 

<TABLE>
<CAPTION>
Total return                                                                                   Market 
(common shares)                                                                NAV              price
<S>                               <S>         <S>             <S>            <S>              <S>
12 months ended 11/30/94 
(change in value during period plus 
reinvested distributions)                                                    -8.21%            -6.74% 
                                                                                               Market 
Share value                                                                    NAV              price 
11/30/93                                                                     $13.44         $  14.000 
11/30/94                                                                      11.22            11.875 

                                                                               In 
                                                               Capital       Excess 
Distributions(1)                   No.          Income          Gains         Gain              Total 
Common shares                       12        $    0.97        $ 0.21        $ 0.02         $    1.20 
Preferred shares 
Series A (1,400 shares)                       $2,776.14        $56.60        $ 5.94         $2,838.68 

                                                                                      Taxable 
                                                                                   equivalent(2) 
Current return                                                 Market                          Market 
(common shares)                                  NAV            price          NAV              price 
Year ended 11/30/94 
Current dividend rate(3)                           8.56%         8.08%        14.17%           13.38% 
</TABLE>
Performance data represent past results. For performance over longer periods, 
see pages 8 and 9. (1)Capital gains, if any, are taxable for federal and, in 
most cases, state tax purposes. For some investors, investment income may 
also be subject to the federal alternative minimum tax. Investment income may 
be subject to state and local taxes. (2)Assumes maximum 39.6% federal tax 
rate. Results for investors subject to lower tax rates would not be as 
advantageous. (3)Income portion of most recent distribution, annualized and 
divided by NAV or market price at end of period. 

*Ratings by Lipper, an independent research firm, vary over time and do not 
include the effect of sales charges. The firm ranked the fund 28th out of 60 
funds for one year; 6th out of 44 funds for two years; 1st out of 26 funds 
for three years; and 1st out of 17 funds for five years. Past performance is 
not indicative of future results. 

 
<PAGE> 

From the Chairman 

(Photo George Putnam) 

(c) Karsh, Ottawa 

Dear Shareholder: 

When markets turn downward, investors with vision look beyond the unfolding 
negatives for opportunities farther down the road. Throughout Putnam 
Investment Grade Municipal Trust's fiscal year that ended on November 30, 
1994, there was plenty to obstruct the view. 

Well in advance of the Federal Reserve Board's first increase in interest 
rates last February, Fund Manager Michael Bouscaren had adopted defensive 
strategies designed to reduce the impact of rising rates on your fund's 
portfolio. While defensive strategies proved relatively successful, fund 
performance generally edged into the negative numbers. 

Even so, we believe tax-exempt securities should strengthen. Supplies may 
become tighter, as fewer issues come to market and more investors seek tax 
relief. Many sectors of the tax-exempt market, including health care, 
education, and resource recovery, are poised for growth. Mike will focus on 
these positive factors as he seeks out the most promising opportunities for 
your fund. 

His report on fiscal 1994 performance and what he sees in store for fiscal 
1995 follows. 

Respectfully yours, 

(Signature George Putnam) 

George Putnam 
Chairman of the Trustees 
January 18, 1995 


<PAGE> 

Report from the fund manager 
Michael F. Bouscaren 

During Putnam Investment Grade Municipal Trust's fiscal 1994, the municipal 
bond market endured what can truly be called tough times. Market volatility, 
investor uncertainty about further interest rate increases, and a tide of 
no-load fund redemptions helped drive bond prices down, particularly those of 
high- quality bonds. Your fund was not immune to the dampening effects of 
these events, providing a total return of -8.21% at net asset value for the 
12 months ended November 30, 1994. 

We encourage you to keep in mind, however, that many mutual funds, 
particularly those that emphasize long-term municipal bonds, require 
investors to have a long-term view. Corrections are not only a natural part 
of any business cycle, but they also frequently bring about rewarding 
opportunities for investors. 

> DIVERSIFICATION HELPS CUSHION VOLATILITY 
Health care, utilities, transportation, housing, and education continue to be 
the fund's top five industry sectors. Holdings are spread across the country, 
with greater emphasis on certain regions. For example, California, 
Massachusetts, and New York are significantly represented in the portfolio, 
and high-demand states like Texas and Florida are given additional exposure. 
Primarily, high taxes, strong investor demand, the outlook for an improving 
state economy -- which can contribute to credit upgrades -- and the 
availability of some attractively yielding issues have drawn our attention to 
these states. 

Issues of particular interest to us, which we believe will do well over time, 
include the Denver City and County Airport revenue bonds in the fund's 
portfolio. Although the project incurred cost overruns, experienced 
technological problems, and underwent contractual disagreements between the 
city and certain airlines, these concerns seem to have been ironed out to the 
satisfaction of all parties. The facility is scheduled to open in February 
1995, when it will become the only airport serving greater 

 
<PAGE> 

Denver. Because of its distance from downtown Denver, we anticipate there 
will be more than the usual number of revenue-generating sources from 
airport operations and associated facilities. Restaurants, parking, hotels, 
and retail outlets are all sources of fees and cash flow. With such an 
optimistic long-term outlook, we took the opportunity last summer to increase 
the fund's position in these bonds. We look forward to the anticipated 
progress of these issues. 

Despite recent financial problems in Orange County, California, we believe 
the state's municipal bond market offers tremendous value. We will continue 
to draw on Putnam Management's strong research capabilities in order to find 
attractive opportunities there. 

>  PROVIDING A STREAM OF TAX-FREE INCOME 
While prices of virtually all fixed-income investments are down this year, 
municipal bond prices have fallen less than those of U.S. Treasury 
securities, Meanwhile, the yield spread between the two remains relatively 
narrow. In today's low-inflation, high- tax environment, this can mean 
attractive real rates of return for municipal bond fund investors. 

Because we focus the fund's investments primarily on long-term bonds, we have 
been able to generate a relatively high level of tax-free income. It is 
fortunate, however, that Putnam Management established a conservative 
dividend policy for the fund at its inception. This prudent policy is serving 
the fund well in today's higher interest rate environment -- we are able to 
maintain a conservative, top-quality orientation without being 

TOP INDUSTRY SECTORS*
Utilities                 19.6%
Hospital/Healthcare       18.5% 
Transportation            13.1%
Education                  9.4%
Housing                    5.6%
*Based on net assets as of 11/30/94.

 
<PAGE> 

unduly challenged by high dividend obligations. In the meantime, the fund's 
dividends remain attractive: A taxable investment at the maximum federal 
income tax rate of 39.6% would have had to provide a current return of 14.17% 
to equal the fund's 8.56% current dividend rate at net asset value at the end 
of the period. 

Leveraging has also helped bolster the fund's income level. By issuing and 
selling preferred shares of the fund to institutional short-term investors, 
we've been able to reinvest the proceeds in longer-term, higher-paying bonds. 
A portion of the income generated from these higher-paying bonds is then 
distributed to the fund's common shareholders, enhancing their monthly 
dividend (38.4% of the fund's net assets were leveraged as of November 30, 
1994). 

> FAVORABLE SUPPLY/DEMAND ENVIRONMENT 
Supply in the new-issue market was lean at fiscal year's end. At a time when 
issuers traditionally are flooding the market, sales are running a little 
less than $2 billion per week. At the end of November 1994, volume was around 
$140 billion in new issues, compared with $290 billion for all of 1993. In 
1995, we expect new-issue supply will be about equal to 1994 supply. The 
important difference in 1995, however, will be that bond redemptions are 
likely to match or exceed new-issue supply. This may result in a net supply 
deficit which would be very positive for municipal bond performance 
potential. 

> BUYING OPPORTUNITIES FOR MUNICIPAL BOND INVESTORS 
Today's post-correction prices may actually represent a buying opportunity 
for many closed-end municipal bond fund shareholders. For the long-term 
investor, acquiring shares at current prices, either through direct purchase 
or reinvestment of dividends, creates a larger income-generating share base 
for the future. 

 
<PAGE> 

CONCENTRATION OF HOLDINGS BY STATE
Massachusetts             17.4%
Texas                     10.1%
California                 7.8%
Colorado                   7.4%
New York                   6.3%

Geographically, the fund is diversified among 25 states. The top five states 
represent 49.0% of the portfolio, based on net assets as of 11/30/94. 

Our outlook for municipal bonds remains positive for the long term, although 
we anticipate continued turmoil in the near term. We believe decreased 
supply, combined with growing investor demand for tax relief, bodes well for 
the appreciation potential of tax-free bonds -- which we believe may happen 
quite suddenly and be sustained when investors come to recognize the positive 
effect of these two factors. We have endeavored to position the fund 
accordingly. 

The views expressed throughout the report are exclusively those of Putnam 
Management. They are not meant as investment advice. Although the described 
holdings were viewed favorably as of November 30, 1994, there is no guarantee 
the fund will continue to hold these securities in the future. 

 
<PAGE> 
Performance Summary

This section provides, at a glance, information about your fund's 
performance. Total return shows how the value of the fund's shares have 
changed over time, assuming you held the shares through the entire period and 
reinvested all distributions back into the fund. We show total return in two 
ways: on a cumulative long-term basis and on average how the fund might have 
performed over varying periods. For comparative purposes, we show how the 
fund performed relative to appropriate indexes and benchmarks. 

TOTAL RETURN FOR PERIODS ENDED 11/30/94 
<TABLE>
<CAPTION>
                                                  Lehman Bros. 
                                                    Municipal 
                          NAV   Market price       Bond Index            CPI 
<S>                     <C>        <C>                <C>              <C>
1 year                  -8.21%         -6.74%           -5.25%          2.68% 
5 years                 49.59          49.19            37.52          18.90 
Annual average           8.39           8.33             6.58           3.52 
Life of fund 
(since 10/26/89)        50.68          47.65            39.92          19.19 
Annual average           8.37           7.94             6.81           3.50 
</TABLE>
TOTAL RETURN FOR PERIODS ENDED 12/31/94 
(most recent calendar quarter) 
<TABLE>
<CAPTION>
                                      NAV        Market price 
<S>                                  <C>             <C>
1 year                               -8.52%          -8.92% 
5 years                              51.72           65.71 
Annual average                        8.69           10.63 
Life of fund 
(since 10/26/89)                     53.76           47.65 
Annual average                        8.66            7.81 
</TABLE>
Performance data represent past results. Investment returns and net asset 
value will fluctuate so an investor's shares, when sold, may be worth more or 
less than their original cost. Fund performance data do not take into account 
any adjustment for taxes payable on reinvested distributions. 

                   
<PAGE> 

TERMS AND DEFINITIONS 

Net asset value (NAV) is the value of all your fund's assets, minus any 
liabilities, the par value of the preferred shares and cumulative undeclared 
dividends 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 

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. 

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

Securities indexes assume reinvestment of all distributions and interest 
payments and do not take into account brokerage fees or taxes. Securities in 
the fund do not match those in the indexes and performance of the fund will 
differ. 

                   
<PAGE> 

Report of Independent Accountants 
For the Year Ended November 30, 1994 

To the Trustees and Shareholders of 
Putnam Investment Grade Municipal Trust 

In our opinion, the accompanying statement of assets and liabilities, 
including the portfolio of investments owned, and the related statements of 
operations and of changes in net assets and the financial highlights present 
fairly, in all material respects, the financial position of Putnam Investment 
Grade Municipal Trust (the "fund") at November 30, 1994, and the results of 
its operations, the changes in its net assets and the financial highlights 
for the periods indicated, in conformity with generally accepted accounting 
principles. These financial statements and financial highlights (hereafter 
referred to as "financial statements") are the responsibility of the fund's 
management; our responsibility is to express an opinion on these financial 
statements based on our audits. We conducted our audits of these financial 
statements in accordance with generally accepted auditing standards, which 
require that we plan and perform the audit to obtain reasonable assurance 
about whether the financial statements are free of material misstatement. An 
audit includes examining, on a test basis, evidence supporting the amounts 
and disclosures in the financial statements, assessing the accounting 
principles used and significant estimates made by management, and evaluating 
the overall financial statement presentation. We believe that our audits, 
which included confirmation of investments owned at November 30, 1994 by 
correspondence with the custodian and brokers and the application of 
alternative auditing procedures where confirmations from brokers were not 
received, provide a reasonable basis for the opinion expressed above. 

Price Waterhouse LLP 
Boston, Massachusetts 
January 17, 1995 

                  
<PAGE> 

Portfolio of investments owned 
November 30, 1994 
<TABLE>
<CAPTION>
Municipal Bonds and Notes (101.7%)(a) 
Principal Amount                                                   Ratings (b)          Value 
<S>               <C>                                                   <C>       <C>
Alabama (1.7%) 
  $5,500,000      Gadsden East, Med. Clinic Board Rev. 
                   Bonds (Baptist Hosp. of Gadsden Inc.), 
                   Ser. A, 7.8s, 11/1/21                                  BBB     $ 6,111,875 
  California (7.8%) 
     500,000      CA Poll. Control Fin. Auth. Variable Rate 
                   Demand Notes (VRDN) (Shell Oil Co.), 
                   3.4s, 10/1/11                                        VMIG1         500,000 
   3,750,000      CA State Pub. Works Board Lease Rev. Bonds 
                   (U. of CA Projects), Ser. A, 5-1/2s, 
                   6/1/21                                                   A       2,948,437 
   9,300,000      CA State U. Rev. Bonds, American Municipal 
                   Bond Assurance Corp. (AMBAC), 7s, 
                   11/1/21 ($900,000 par, acquired 8/5/91, 
                   cost $920,127 $8,400,000 par, acquired 
                   8/31/94, cost $8,400,000)(c)                           Aaa       9,393,000 
   5,000,000      Los Angeles, Dept. Wtr. & Pwr. Elec. Plant 
                   Rev. Bonds, Municipal Bond Insurance 
                   Association (MBIA), 5-1/4s, 11/15/26                   AAA       3,818,750 
   1,580,000      Los Angeles, Regl. Arpts. Impt. Corp. Rev. 
                   Bonds (Western Airlines-Delta Airlines), 
                   11-1/4s, 11/1/25                                        Ba       1,688,625 
   5,000,000      Orange Cnty., Sanitation Dist. Certif. of 
                   Participation VRDN, 3.35s, 8/1/15                    VMIG1       5,000,000 
   5,000,000      U. of CA Rev. Bonds (USCD Med. Ctr. 
                   Satellite Fac.), 7.9s, 12/1/19 (acquired 
                   3/2/92, cost $5,229,150)(c)                            BBB       5,118,750 
                                                                                   28,467,562 
  Colorado (7.4%) 
                  Denver, City & Cnty. Arpt. Rev. Bonds 
   3,500,000       Ser. A, 8-1/2s, 11/15/23                               Baa       3,517,500 
   4,900,000       Ser. A, 8-1/4s, 11/15/12                               Baa       4,875,500 
   5,200,000       Ser. A, 8s, 11/15/25                                   Baa       4,946,500 
   7,000,000       Ser. D, 7-3/4s, 11/15/21                               Baa       6,693,750 
   3,000,000       Ser. D, 7-3/4s, 11/15/13                               Baa       2,883,750 
   4,800,000       Ser. D, 7s, 11/15/25                                   Baa       4,182,000 
                                                                                   27,099,000 
  Florida (5.3%) 
   3,670,000      FL State Board Regents U. Syst. Impt. Rev. 
                   Bonds, AMBAC 5-1/4s, 7/1/08                            AAA       3,142,437 
   3,665,000      FL State Board of Public Ed. Cap. Outlay 
                   Rfdg. Rev. Bonds, 5.7s, 6/1/03                          AA       3,573,375 
   3,000,000      FL State Board of Regents U. Syst. Impt. 
                   Rev. Bonds, AMBAC, 5.2s, 7/1/07                        AAA       2,595,000 
   2,000,000      Hernando Cnty., Indl. Dev. Rev. Bonds (FL 
                   Crushed Stone Co.), 8-1/2s, 12/1/14                    B/P       2,010,000 

                   
<PAGE> 

Municipal Bonds and Notes (101.7%)(a) 
Principal Amount                                                  Ratings (b)         Value 
Florida (continued) 
  $ 7,000,000     Orlando, Util. Coml. Wtr. & El. Rev. 
                   Bonds, 5-3/4s, 10/1/05                                  AA     $ 6,693,750 
    1,500,000     Tampa, Wtr. & Swr. Cap. Inverse Floating 
                   Bonds (IFB), Ser. A, Federal Guaranty 
                   Insurance Co. (FGIC), 3.34s, 10/1/12                   AAA       1,436,250 
                                                                                   19,450,812 
  Georgia (1.7%) 
    1,600,000     Burke Cnty., Dev. Auth. Poll. Control Rev. 
                   Bonds (Oglethorpe Pwr. Corp.-Vogtle 
                   Project), 9-7/8s, 1/1/10                                 A       1,632,000 
    4,800,000     De Kalb Cnty., Hsg. Auth. Muni. Rev. Bonds 
                   (Briarcliff Pk. Apts. Project), Ser. A, 
                   7-1/2s, 4/1/17                                         A/P       4,686,000 
                                                                                    6,318,000 
  Hawaii (1.1%) 
    4,500,000     HI State Dept. of Budget & Fin. Mtge. IFB 
                   (Citizens Util. Co.), Ser. 91-B, 9.385s, 
                   11/1/21(d)                                             AAA       3,841,875 
  Illinois (0.5%) 
    1,800,000     IL Dev. Fin. Auth. Poll. Control Rev. 
                   Bonds (Cmnwlth. Edison Co. Project), 
                   10-5/8s, 3/1/15                                        Baa       1,856,250 
  Louisiana (0.8%) 
    3,000,000     West Feliciana, Poll. Control Rev. Bonds 
                   (Gulf States Util. Co.), 7.7s, 12/1/14                 BBB       2,970,000 
  Maryland (0.6%) 
    2,000,000     MD State Hlth. & Higher Edl. Facs. Auth. 
                   Rev. Bonds (Doctors Cmnty. Hosp.), 
                   8-3/4s, 7/1/12                                         Aaa       2,292,500 
  Massachusetts (17.4%) 
    6,030,000     MA Muni Whls. Electric Co. Pwr. Supply 
                   Sys. Rev. Bonds, 
                   Ser. B, 6-3/4s, 7/1/17                                   A       5,751,113 
                  MA State Cons. Loan General Obligation 
                   (G.O.) Bonds 
    6,000,000      Ser. D, 6s, 7/1/12                                       A       5,407,500 
   12,000,000      Ser. A, 6s, 6/1/11(d)                                    A      10,860,000 
    4,000,000     MA State Hlth. & Ed. Facs. Auth. Rev. 
                   Bonds 4.9s, 7/1/06                                     AAA       3,475,000 
   16,500,000     MA State Hlth. & Ed. Facs. Auth. Rev. 
                   Bonds, AMBAC, 6.41s, 6/23/22                           AAA      15,613,125 
    5,000,000     MA State Indl. Fin. Agcy. Rev. Bonds (Cape 
                   Cod Hlth. Syst.), 8-1/2s, 11/15/20(d)                  Aaa       5,731,250 
   15,000,000     MA State Wtr. Resource Auth. Rev. Bonds 
                   Ser. A, 7-5/8s, 4/1/14(d)                              AAA      16,462,500 
                                                                                   63,300,488 

                         
<PAGE> 

Municipal Bonds and Notes 
Principal Amount                                                  Ratings (b)           Value 
Michigan (5.4%) 
  $1,875,000      Detroit, Dev. Fin. Auth. Tax Increment 
                   Rev. Bond, Ser. A, 9-1/2s, 5/1/21                    BBB/P     $ 2,226,562 
   1,000,000      Grand Rapids Wtr. Supply Syst. VRDN, 
                   FGIC, 3.55s, 1/1/20                                  VMIG1       1,000,000 
   1,690,000      Highland Park, Hosp. Fin. Auth. Fac. Rev. 
                   Bonds (MI Hlth. Care Corp. Project), 
                   Ser. A, 9-3/4s, 12/1/06                                  B       1,436,500 
   7,400,000      MI State Hsg. Dev. Auth. Rental Hsg. Rev. 
                   Bonds, Ser. B, 5.7s, 4/1/12                              A       6,243,750 
   3,000,000      MI State Strategic Fund Ltd. Oblig. Rev. 
                   Bonds (Mercy Svcs. for Aging Project), 
                   9.4s, 5/15/20                                        BBB/P       3,127,500 
   5,435,000      Monroe Cnty., Poll. Control Rev. Bonds 
                   (Detroit Edison Co.), Ser. A, 10-1/2s, 
                   12/1/16                                                Baa       5,829,038 
                                                                                   19,863,350 
  Mississippi (1.5%) 
   4,950,000      Claiborne Cnty., Poll. Control Rev. Bonds 
                   (Middle South Energy Inc.), Ser. C, 
                   9-7/8s, 12/1/14                                      BBB/P       5,513,063 
  Missouri (1.3%) 
   5,000,000      MO State Hlth. & Edl. Facs. Auth. Rev. 
                   Bonds (BJC Hlth. Sys.), Ser. A, 6-1/2s, 
                   5/15/20                                                 AA       4,568,750 
  Nebraska (3.3%) 
   2,800,000      NE Investment Fin. Auth. Single Fam. Mtge. 
                   IFB, Ser. B. Government National 
                   Mortgage Assn. Coll. (GNMA), 10.66s, 
                   3/15/22(d)                                             AAA       2,866,500 
   8,840,000      NE Investment Fin. Auth. Single Fam. Mtge. 
                   Rev. Bonds, Ser. 1, GNMA Coll., 8-1/8s, 
                   8/15/38(d)                                             AAA       9,072,050 
                                                                                   11,938,550 
  Nevada (1.8%) 
   6,500,000      Clark Cnty., Indl. Dev. Rev. Bonds (NV 
                   Pwr. Co. Project), 7.8s, 6/1/20                        Baa       6,621,875 
  New York (6.3%) 
   6,500,000      Battery Park, City Auth. Rev. Bonds, 
                   Ser. A, 4-3/4s, 11/1/19                                 AA       4,623,125 
                  NY City VRDN 
   1,000,000       Ser. B, FGIC, 3.7s, 10/1/21                          VMIG1       1,000,000 
   1,000,000       Sub. Ser. B-4, 3.65s, 8/15/21                        VMIG1       1,000,000 
   1,865,000      NY City, Hsg. Dev. Corp. Multi-Fam. Rev. 
                   Bonds, Ser. 85-1, Federal Housing 
                   Authority (FHA) Insd., 9-1/2s, 10/1/00                  AA       1,923,281 
   6,500,000      NY City, Mun. Wtr. Fin. Auth. VRDN, 
                   Ser. G, FGIC, 3.4s, 6/15/24                          VMIG1       6,500,000 
   1,700,000      NY State Dorm. Auth. U. Ed. Facs. Rev. 
                   Bonds Ser. A, 6-1/4s, 5/15/08                          BBB       1,570,375 

                                  
<PAGE> 

Municipal Bonds and Notes 
Principal Amount                                                  Ratings (b)           Value 
New York (continued) 
  $ 1,900,000     NY State Energy Research & Dev. Auth. 
                   Poll. Control VRDN (Niagara Mohawk Pwr. 
                   Project), Ser. A, 3-3/4s, 7/1/15                       A1+     $ 1,900,000 
    4,050,000     NY State Local Government Assistance Corp. 
                   Rev. Bonds, Ser. B, 5-1/2s, 4/1/21                       A       3,199,500 
    1,125,000     Riverton Hsg. Corp. Mtge. Rev. Bonds 
                   (Conifer Genesee Apt.), FHA Insd., 
                   10-1/2s, 1/15/25                                         A       1,170,000 
                                                                                   22,886,281 
  North Dakota (3.1%) 
   10,850,000     Mercer Cnty., Poll. Control Rev. Bonds 
                   (Basin Elec. Pwr. Coop.-Antelope), 
                   AMBAC, 10-1/2s, 6/30/13(d)                             AAA      11,128,031 
  Ohio (3.0%) 
                  OH State Air Quality Dev. Auth. Poll. 
                   Control Rev. Bonds 
    3,600,000      (Cincinnati Gas & Elec.), 10-1/8s, 
                   12/1/15                                                Baa       3,829,500 
    5,000,000      (Cleveland Co. Project), FGIC, 8s, 
                   12/1/13                                                AAA       5,487,500 
                  OH State Wtr. Dev. Auth. Poll. Control 
                   Facs. Rev. Bonds 
    1,575,000      (OH Edison Co. Project), 10-5/8s, 7/1/15               Baa       1,673,438 
                                                                                   10,990,438 
  Oklahoma (0.9%) 
    3,500,000     Tulsa, Muni. Arpt. Rev. Bonds (American 
                   Airlines, Inc.), 7-3/8s, 12/1/20                       Baa       3,185,000 
  Pennsylvania (5.8%) 
    3,930,000     Allegheny Cnty., Res. Fin. Auth. Single 
                   Fam. Mtge. Rev. Bonds, GNMA Coll., 7.9s, 
                   6/1/11                                                 Aaa       4,013,512 
    4,500,000     Geisinger, Auth. Hlth. Syst. Muni. IFB, 
                   Ser. A, 5.45s, 7/1/22                                   AA       4,320,000 
    5,000,000     Montgomery Cnty., Indl. Dev. Auth. 
                   Resource Recvy. Rev. Bonds, 7-1/2s, 
                   1/1/12                                                   A       5,068,750 
    7,600,000     PA State Higher Edl. Assistance Agcy. 
                   Student Loan IFB, Ser. B, MBIA, 11.123s, 
                   3/1/20(d)                                              AAA       7,847,000 
                                                                                   21,249,262 
  Rhode Island (1.7%) 
    8,500,000     Convention Ctr. Auth, Rev. Bonds 
                   Ser. C, MBIA, 5s, 5/15/23                              AAA       6,279,375 
  South Carolina (1.0%) 
    4,125,000     Grand Strand Wtr. & Swr. Auth. Rev. Bonds, 
                   MBIA, 6s, 6/1/19                                       AAA       3,630,000 

                                   
<PAGE> 

Municipal Bonds and Notes 
Principal Amount                                                   Ratings (b)           Value 
Tennessee (0.3%) 
  $ 1,000,000     Metro. Nashville & Davidson Cnty., Hlth. & 
                   Edl. Fac. Board Rev. Bonds (Vanderbilt 
                   U.), Ser. A, 10-1/2s, 12/1/14                            A     $  1,020,000 
  Texas (10.1%) 
    2,500,000     Bexar Cnty., Hlth. Fac. Dev. Corp. Rev. 
                   Bonds (St. Luke's Lutheran Hosp. 
                   Project), 7.9s, 5/1/11                                 Baa        2,525,000 
    4,000,000     Brazos River Auth. Poll. Ctrl. Rev. Bonds, 
                   8-1/4s, 1/1/19                                         Baa        4,160,000 
    5,250,000     Dallas-Fort Worth, Intl. Arpt. Fac. Impt. 
                   Corp. Rev. Bonds (American Airlines, 
                   Inc.), 7-1/2s, 11/1/25(d)                              Baa        4,830,000 
                  Harris Cnty. Rev. Bonds (Toll Road, Sr. 
                   Lien) 
    6,000,000      FGIC, 5-1/2s, 8/15/21                                  AAA        4,860,000 
    7,000,000      AMBAC, 5.3s, 8/15/13                                   AAA        5,810,000 
    9,750,000     North Central TX Hlth. Fac. Dev. Corp. IFB 
                   (Presbyterian Hlth. Care Syst.), 
                   Ser. C, MBIA, 9.295s, 6/15/21(d)                       AAA        8,385,000 
    7,000,000     Northeast Hosp. Auth. Rev. Bonds 
                   (Northeast Med. Ctr. Hosp.), Ser. B, 
                   FGIC, 7-1/4s, 7/1/22                                   AAA        6,326,250 
                                                                                    36,896,250 
  Washington (5.4%) 
    1,000,000     Port Longview, Indl. Dev. Corp. Export 
                   Fac. Rev. Bonds (Atlantic Richfield 
                   Co.), 10-3/4s, 9/1/12                                    A        1,031,250 
                  WA State Pub. Pwr. Supply Syst. Rev. Bonds 
                   (Nuclear Project No. 1) 
    2,500,000      Ser. B, MBIA, 5.6s, 7/1/15                             AAA        2,093,750 
    9,425,000      Ser. A, prerefunded, 7-1/2s, 7/1/99                     AA       10,202,563 
    6,075,000      Ser. A, 7-1/2s, 7/1/15                                  AA        6,318,000 
                                                                                    19,645,563 
  West Virginia (4.9%) 
    2,000,000     Marion Cnty., Cmnty. Solid Waste Disp. 
                   Fac. Rev. Bonds (American Pwr. Paper 
                   Recycling Project), 8-1/4s, 12/1/11                    B/P        1,875,000 
   15,000,000     Marion Cnty., Ind. Hosp. Auth. Hosp. Fac. 
                   Rev. Bonds, 10-1/8s, 11/1/15                            Aa       15,862,500 
                                                                                    17,737,500 
  Wisconsin (1.7%) 
    7,500,000     WI Hsg. & Econ. Dev. Auth. Hsg. Rev. 
                   Bonds, Ser. C, 5.8s, 11/1/13                             A        6,253,125 
                  Total Investments (cost $378,164,649)                           $371,114,775 
</TABLE>

                               
<PAGE> 

NOTES 
(a) Percentages indicated are based on a total net assets of $364,813,668. 
Net assets available to common shareholders are $224,784,133, which 
correspond to a net asset value per common share of $11.22. 

(b) The Moody's or Standard & Poor's ratings indicated are believed to be the 
most recent ratings available at November 30, 1994 for the securities listed. 
Ratings are generally ascribed to securities at the time of issuance. While 
the rating agencies may from time to time revise such ratings, they undertake 
no obligation to do so, and the ratings indicated do not necessarily 
represent ratings which the agencies would ascribe to these securities at 
November 30, 1994. Securities rated by Putnam are indicated by "/P" and are 
not publicly rated. Ratings are not covered by the Report of Independent 
Accountants. 

(c) Restricted to public resale. At the date of acquisition, these securities 
were valued at cost. There were no outstanding unrestricted securities of the 
same class as those held. The total market value of restricted securities 
owned at November 30, 1994 was $14,511,750 or 4.0% of net assets. 

(d) A portion of these securities was pledged to cover margin requirements 
for future contracts at November 30, 1994. The market value segregated with 
the custodian for transactions in future contracts was $81,024,206, or 22% of 
net assets. 

(e) The aggregate identified cost for Federal income tax purposes is 
$378,403,564, resulting in gross unrealized appreciation and depreciation of 
$7,716,142 and $15,004,931, respectively, or net unrealized depreciation of 
$7,288,789. 

The rates shown on Inverse Floating Bonds (IFB), which are securities paying 
variable interest rates that vary inversely to changes in market interest 
rates and Variable Rate Demand Notes (VRDN) are the current interest rates at 
November 30, 1994 which are subject to change based on the terms of the 
security. 

The Fund had the following industry group concentrations greater than 10% on 
November 30, 1994 (as a percentage of net assets): 

<TABLE>
<S>                            <C>
Utilities                      19.6% 
Hospitals/Healthcare           18.5 
Transportation                 10.1 
</TABLE>
The Fund had the following insurance group concentrations greater than 10% at 
November 30, 1994 (as a percentage of net assets): 

<TABLE>
<S>                            <C>
AMBAC                          13.1% 
</TABLE>
Futures Contracts Outstanding at November 30, 1994 

<TABLE>
<CAPTION>
                                     Total          Aggregate      Expiration          Unrealized 
                                     Value         Face Value            Date        Appreciation 
<S>                            <C>                <C>                  <C>               <C>
US Treasury 
  Bond Futures (Sell)          $35,204,437        $35,316,625          Mar/95            $112,188 
</TABLE>
The accompanying notes are an integral part of these financial statements. 

            
<PAGE> 

Statement of assets and liabilities 
November 30, 1994 

<TABLE>
<CAPTION>
 Assets 
<S>                                                                       <C>
Investments in securities (identified cost $378,164,649) (Note 1)         $371,114,775 
Cash                                                                            55,610 
Receivable for securities sold                                               1,099,977 
Interest and other receivables                                               7,049,449 
Total assets                                                               379,319,811 
Liabilities 
Distributions payable to common shareholders                                 1,603,119 
Payable for securities purchased                                            11,846,536 
Payable for compensation of Manager (Note 3)                                   650,241 
Payable for administrative services (Note 3)                                     3,117 
Payable for compensation of Trustees (Note 3)                                      186 
Payable for investor servicing and custodian fees (Note 3)                      81,602 
Payable for variation margin on open futures contracts                         235,594 
Other accrued expenses                                                          85,748 
Total liabilities                                                           14,506,143 
Net assets                                                                $364,813,668 
Represented by 
Series A remarketed preferred shares, without par value; 2,000 
shares authorized (1,400 shares issued at $100,000 per share) 
(Note 2)                                                                  $140,000,000 
Common shares, without par value; unlimited shares authorized; 
20,039,145 shares outstanding (Notes 1 and 5)                              221,001,994 
Undistributed net investment income (Notes 1 and 5)                         12,447,836 
Accumulated net realized loss on investments (Notes 1 and 5)                (1,698,476) 
Net unrealized depreciation of investments and futures contracts            (6,937,686) 
Net assets                                                                $364,813,668 
Computation of net asset value 
Series A remarketed preferred shares                                      $140,000,000 
Cumulative undeclared income dividends on Series A remarketed 
preferred shares                                                                29,535 
Net assets allocated to Series A remarketed preferred shares at 
liquidation preference                                                     140,029,535 
Net assets available to common shares: Net asset value per share 
$11.22 ($224,784,133 divided by 20,039,145)                                224,784,133 
Net assets                                                                $364,813,668 
</TABLE>
The accompanying notes are an integral part of these financial statements. 

                                    
<PAGE> 

Statement of operations 
Year ended November 30, 1994 

<TABLE>
<CAPTION>
<S>                                                                  <C>
Tax exempt investment income                                         $ 27,530,451 

Expenses: 
Compensation of Manager (Note 3)                                        2,715,985 
Investor servicing and custodian fees (Note 3)                            288,953 
Compensation of Trustees (Note 3)                                          14,356 
Registration fees                                                             974 
Reports to shareholders                                                    24,824 
Auditing                                                                   54,934 
Legal                                                                      11,603 
Postage                                                                    62,140 
Administrative services (Note 3)                                           10,724 
Amortization of organization expenses (Note 1)                              6,405 
Preferred share remarketing agent fees                                    332,667 
Exchange listing fees                                                      24,218 
Other expenses                                                             36,098 
Total expenses                                                          3,583,881 
Net investment income                                                  23,946,570 
Net realized loss on investments (Notes 1 and 4)                       (5,277,854) 
Net realized gain on future contracts (Notes 1 and 4)                   4,090,542 
Net unrealized depreciation of investments during the period          (39,271,513) 
Net loss on investment transactions                                   (40,458,825) 
Net decrease in net assets resulting from operations                 $(16,512,255) 
</TABLE>
The accompanying notes are an integral part of these financial statements. 

                                    
<PAGE> 

Statement of changes in net assets 
<TABLE>
<CAPTION>
                                                                   Year ended November 30 
   
                                                                  1994               1993 
<S>                                                       <C>                <C>
Increase (decrease) in net assets 
Operations: 
Net investment income                                     $ 23,946,570       $ 25,957,759 
Net realized gain (loss) on investments                     (5,277,854)         5,190,582 
Net realized gain (loss) on futures contracts                4,090,542           (189,197) 
Net unrealized appreciation (depreciation) of 
investments during the year                                (39,271,513)        12,914,296 
Net increase (decrease) in net assets resulting from 
operations                                                 (16,512,255)        43,873,440 
Distributions to remarketed preferred shareholders: 
From net investment income                                  (3,886,607)        (3,172,332) 
From net realized gain on investments                          (79,242)          (551,080) 
In excess of realized gain                                      (8,311)           -- 
Net increase (decrease) in net assets resulting from 
operations applicable to common shareholders 
(excluding cumulative undeclared income dividends on 
remarketed preferred shares of $29,535 and $9,590, 
respectively, and cumulative undeclared capital gain 
dividends on remarketed preferred shares of $0 and 
$30,643 respectively)                                      (20,486,415)        40,150,028 
Distributions to common shareholders: 
From net investment income                                 (19,335,095)       (18,883,406) 
From net realized gain on investments                       (4,109,912)           -- 
In excess of realized gain                                    (431,033)           -- 
Increase from capital share transactions from 
issuance of common shares                                    3,505,942          2,722,866 
Total increase (decrease) in net assets                    (40,856,513)        23,989,488 
Net assets 
Beginning of year                                          405,670,181        381,680,693 
End of year (including undistributed net investment 
income of $12,447,836 and $11,091,758, respectively)      $364,813,668       $405,670,181 
Number of fund shares 
Common shares outstanding at beginning of period            19,764,439         19,560,916 
Common shares issued in connection with reinvestment 
of distributions                                               274,706            203,523 
Common shares outstanding at end of year                    20,039,145         19,764,439 
Remarketed preferred shares outstanding at the 
beginning and end of year                                        1,400              1,400 
</TABLE>
The accompanying notes are an integral part of these financial statements. 

                                   
<PAGE> 

Financial Highlights 
(For a common share outstanding throughout the year) 
<TABLE>
<CAPTION>
                                                                                          For the period 
                                                                                        October 26, 1989 
                                                                                        (commencement of 
                                                                                          operations) to 
                                                          Year ended November 30             November 30 
                                       1994       1993        1992       1991       1990            1989 
<S>                                <C>        <C>         <C>        <C>        <C>             <C>
Net asset value, 
beginning of period 
(common shares)                    $  13.44   $  12.36    $  11.51   $  11.03   $  11.19        $  11.11* 
Investment operations 
Net investment income                  1.20       1.32        1.35       1.27       1.14             .07 
Net realized and unrealized 
gain (loss) on investments            (2.03)       .91         .65        .43       (.08)            .01 
Total from investment 
operations                             (.83)      2.23        2.00       1.70       1.06             .08 
Less distributions: 
From net investment income: 
 to Common Shareholders                (.97)      (.96)       (.91)      (.89)      (.87)             -- 
 to Preferred Shareholders             (.19)      (.16)       (.24)      (.29)      (.23)             -- 
From net realized gain on 
  investments 
  to Common Shareholders               (.21)        --          --         --       (.01)             -- 
  to Preferred Shareholders              --       (.03)         --         --         --              -- 
In excess of realized gains 
  to Common Shareholders               (.02)        --          --         --         --              -- 
  to Preferred Shareholders              --         --          --         --         --              -- 
Total distributions                   (1.39)     (1.15)      (1.15)     (1.18)     (1.11)             -- 
Preferred shares offering costs          --         --          --       (.04)      (.11)             -- 
Net asset value, end of period 
(common shares)                    $  11.22   $  13.44    $  12.36   $  11.51   $  11.03        $  11.19 
Market value, end of period 
(common shares)                    $  11.88   $  14.00    $  13.25   $  11.88   $  11.25        $  11.88 
Total investment return at 
market price (common shares) 
(%)(a)                                (6.74)     13.54       20.24      14.23       2.58           (1.04)(c) 
Net assets, end of period 
(total fund) (in thousands)        $364,814   $405,670    $381,681   $362,974   $311,731        $213,924 
Ratio of expenses to average 
net assets (%)(b)                      1.45       1.40        1.45       1.46       1.21             .12(c) 
Ratio of net investment income 
to average net assets (%)(b)           8.07       8.59        9.20       8.70       8.29           -- 
Portfolio turnover (%)                78.97      33.73       44.39      72.49      89.65           13.17(c) 
</TABLE>
* Represents initial net asset value of $11.16 less offering expenses of 
  approximately $0.05. 

(a) Total investment return assumes dividend reinvestment and does not 
    reflect the effect of sales charges. 

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

(c) Not annualized. 

                                    
<PAGE> 

Notes to financial statements 
November 30, 1994 

Note 1 
Significant accounting policies 
The fund is registered under the Investment Company Act of 1940, as amended, 
as a diversified, closed-end management investment company. The fund's 
investment objective is to provide as high a level of current income exempt 
from federal income tax as is believed to be consistent with preservation of 
capital. The fund intends to achieve its objective by investing in a 
diversified portfolio of tax-exempt municipal securities that the fund's 
Manager believes do not involve undue risk to income or principal. Under 
normal market conditions, the fund will invest at least 80% of its total 
assets in tax-exempt municipal securities rated "investment grade" at the 
time of investment or, if not rated, determined by the fund's Manager to be 
of comparable quality. 

The following is a summary of significant accounting policies consistently 
followed by the fund in the preparation of its financial statements. The 
policies are in conformity with generally accepted accounting principles. 

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. 

Short term investments having remaining maturities of 60 days or less are 
stated at amortized cost, which approximated market value, and other 
investments including restricted securities are stated at fair market value 
following procedures approved by the Trustees. 

B 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 value of any outstanding remarketed preferred shares, by 
the total number of common shares outstanding. 

C 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. 

D Futures A futures contract is an agreement between two parties to buy and 
sell a security at a set price on a future date. Upon entering into such a 
contract the fund is required to pledge to the broker an amount of cash or 
U.S. government securities equal to the minimum "initial margin" requirements 
of the exchange. Pursuant to the contract, the fund agrees to receive from or 
pay to the broker an amount of cash equal to the daily fluctuation in value 
of the contract. Such receipts or payments are known as "variation margin" 
and are recorded by the fund as unrealized gains or losses. When the contract 
is closed, the fund records a realized gain or loss equal to the difference 
between the value of the contract at the time it was opened and the value at 
the time it was closed. The potential risk to the fund is that the change in 
value of the underlying securities may not correspond to the change in value 
of the futures contracts 

E Federal taxes It is the policy of the fund to distribute all of its income 

                                    
<PAGE> 

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 of securities held and excise tax on 
income and capital gains. 

F 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 7-day period. The applicable dividend rate for the remarketed 
preferred shares on November 30, 1994 was 3.85%. 

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. These differences include market discount and 
amortization of organization costs. 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. For the 
period ended November 30, 1994, the fund reclassified $72,550 to increase 
undistributed net investment income, $71,820 to increase net realized loss, 
and $730 to decrease paid-in capital. 

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

H Unamortized organization expenses Expenses incurred by the fund in 
connection with its organization aggregated $35,502. These expenses were 
amortized on a straight-line basis over a five-year period. 

Note 2 
Remarketed Preferred Shares 
The Series A RP shares are redeemable at the option of the fund on any 
dividend payment date at a redemption price of $100,000 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. Additionally, the fund has 
authorized a separate series of 2,000 Serial Remarketed Preferred shares, 
which are issuable only under certain conditions in exchange for Series A RP 
shares. No Serial Remarketed Preferred shares are currently outstanding. 

It is anticipated that approximately 98% of total distributions and dividends 
paid during fiscal 1994 to holders of remarketed preferred shares will be 
considered tax-exempt dividends under the Internal Revenue Code of 1986, as 
amended. To the extent that the fund earns taxable income and taxable gains 
by the conclusion of a fiscal year, it is required to apportion to holders of 
the remarketed preferred shares throughout the year additional dividends as 
necessary to result in an after-tax yield equivalent to the applicable 
dividend rate for the period. During the year ended November 30, 1994, the 
fund paid additional dividends of $30,643 to holders of remarketed preferred 
shares. 

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 

                                   
<PAGE> 

is required to meet more stringent asset coverage requirements under the 
terms of the remarketed preferred shares and by 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 November 30, 1994, 
there were no such restrictions on the fund. 

Note 3 
Management fee, administrative services, and other transactions 
Compensation of Putnam Investment Management, Inc. (Putnam Management), the 
fund's Manager, a wholly-owned subsidiary of Putnam Investments, Inc., for 
management and investment advisory services is paid quarterly based on the 
average net assets of the fund, including those allocated to the remarketed 
preferred shares. Such fee is based on the annual rate of 0.70% of the 
average weekly net assets. 

If dividends payable on remarketed preferred shares during any dividend 
payment period plus any expenses attributable to remarketed preferred shares 
for that 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 for that period will be reduced by the amount of the excess (but not 
more than 0.70% of the liquidation preference of the remarketed preferred 
shares outstanding during the period). 

The fund also reimburses the Manager 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. 

Trustees of the fund receive an annual Trustee's fee of $870 and an 
additional fee for each Trustees' meeting attended. Trustees who are not 
interested persons of the Manager and who serve on committees of the Trustees 
receive additional fees for attendance at certain committee meetings. 

Custodial functions are provided to the fund by Putnam Fiduciary Trust 
Company (PFTC), a wholly-owned subsidiary of Putnam Investments, Inc. 
Investor servicing agent functions for the fund's common shares are provided 
by PFTC. 

Investor servicing and custodian fees reported in the Statement of operations 
have been reduced by credits allowed by PFTC. 

Note 4 
Purchases and sales of securities 
During the year ended November 30, 1994, purchases and sales of investment 
securities other than short-term municipal obligations aggregated 
$294,391,839 and $286,395,534, respectively. Purchases and sales of 
short-term municipal obligations aggregated $276,245,000 and $282,645,000, 
respectively. In determining the net gain or loss on securities sold, the 
cost of securities has been determined on the identified cost basis. 

                         
<PAGE> 

Transactions in futures contracts during the period are summarized as 
follows: 
<TABLE>
<CAPTION>
                              Sales of Futures Contracts 
                    Number of Contracts        Aggregate Face Value 
<S>                             <C>                 <C>
Contracts opened                 10,443             $ 1,075,962,189 
Contracts closed                (10,084)            $(1,040,645,564) 
Open at end of period               359             $    35,316,625 
</TABLE>

<TABLE>
<CAPTION>
                              Purchase of Future Contracts 
                      Number of Contracts     Aggregate Face Value 
<S>                              <C>                   <C>
Contracts opened                  755,000              $ 71,996,563 
Contracts closed                 (755,000)             $(71,996,563) 
Open at end of period                  --                        -- 
</TABLE>
Note 5 
Reclassification of Capital Accounts 
Effective December 1, 1993 Putnam Investment Grade Municipal Trust has 
adopted the provisions of the AICPA Statement of Position (SOP) 93-2 
"Determination, Disclosure and Financial Statement Presentation of Income, 
Capital Gain and Return of Capital Distributions by Investment Companies." 
The purpose of this SOP is to report the accumulated net investment income 
and accumulated net realized gain (loss) accounts in such a manner as to 
approximate amounts available for future distributions (or to offset future 
realized capital gains) and to achieve uniformity in the presentation of 
distributions by investment companies. 

As a result of the SOP, the fund has reclassified $558,660 to increase 
undistributed net investment income, $552,774 to decrease accumulated net 
realized gain and $5,916 to decrease paid-in capital. These adjustments 
represent the cumulative amounts necessary to report these balances through 
November 30, 1994, the close of the fund's most recent fiscal year end for 
financial reporting and tax purposes. 

These reclassifications, which have no impact on the total net asset value of 
the fund, are attributable to organization expenses which are treated 
differently in the computation of distributable income and capital gains 
under federal income tax rules and regulations versus generally accepted 
accounting principles. 

                    
<PAGE> 

Selected quarterly data 
(Unaudited) 
<TABLE>
<CAPTION>
                                                     Three months ended 
                                  November 30      August 31         May 31     February 28 
                                         1994           1994           1994            1994 
<S>                              <C>            <C>            <C>             <C>
Total investment income 
 Total                           $  6,977,508   $  6,585,179   $  6,855,768    $  7,111,996 
 Per share*                      $        .33   $        .34   $        .35    $        .35 
Net investment income 
 available to common 
 shareholders 
 Total                           $  4,852,138   $  4,650,396   $  5,062,217    $  5,495,212 
 Per share*                      $        .24   $        .24   $        .26    $        .27 
Net realized and unrealized 
 gain (loss) on investments 
 Total                           $(21,330,357)  $    616,807   $(16,604,981)   $ (3,137,847) 
 Per share*                      $      (1.06)  $        .02   $       (.84)   $       (.15) 
Net increase (decrease) in 
 net assets available to 
 common shareholders 
 resulting from operations 
 Total                           $(16,480,666)  $  5,267,203   $(11,630,317)   $  2,357,365 
 Per share*                      $       (.82)  $        .26   $       (.58)   $        .12 
Net assets available to 
 common shareholders at the 
 end of the period 
 Total                           $224,784,133   $245,458,624   $244,275,695    $259,982,643 
 Per share*                      $      11.22   $      12.28   $      12.26    $      13.08 
</TABLE>
*Per common share. 

                                     
<PAGE> 

Selected quarterly data 
(Unaudited) 
<TABLE>
<CAPTION>
                                                     Three months ended 
                                  November 30      August 31         May 31     February 28 
                                         1993           1993           1993            1993 
<S>                              <C>            <C>            <C>             <C>
Total investment income 
 Total                           $  7,299,845   $  7,412,198   $  7,460,790    $  7,410,737 
 Per share*                      $        .37   $        .38   $        .37    $        .38 
Net investment income 
 available to common 
 shareholders 
 Total                           $  5,266,270   $  5,650,335   $  5,679,969    $  5,637,773 
 Per share*                      $        .27   $        .29   $        .28    $        .29 
Net realized and unrealized 
 gain (loss) on investments 
 Total                           $ (3,629,890)  $  9,372,959   $ (4,510,500)   $ 16,683,112 
 Per share*                      $       (.19)  $        .48   $       (.22)   $        .84 
Net increase (decrease) in 
 net assets available to 
 common shareholders 
 resulting from operations 
 Total                           $  1,636,380   $ 15,023,294   $  1,169,469    $ 22,320,885 
 Per share*                      $        .08   $        .77   $        .06    $       1.13 
Net assets available to 
 common shareholders at the 
 end of the period 
 Total                           $265,629,948   $268,053,202   $257,065,067    $259,927,102 
 Per share*                      $      13.44   $      13.60   $      13.07    $      13.25 
</TABLE>
*Per common share. 

                                     
<PAGE> 

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 

INDEPENDENT ACCOUNTANTS 
Price Waterhouse LLP 

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

OFFICERS 
George Putnam 
President 

Charles E. Porter 
Executive Vice President 

Patricia C. Flaherty 
Senior Vice President 

Lawrence J. Lasser 
Vice President 

Gordon H. Silver 
Vice President 

Gary Coburn 
Vice President 

James E. Erickson 
Vice President 

Michael F. Bouscaren 
Vice President and Fund Manager 

William N. Shiebler 
Vice President 

John R. Verani 
Vice President 

Paul M. O'Neil 
Vice President 

John D. Hughes 
Vice President and Treasurer 

Beverly Marcus 
Clerk and Assistant Treasurer 

                                 
<PAGE> 

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 or to request Putnam's quarterly 
Closed-End Fund Commentary. 

                                  
<PAGE> 

PUTNAMINVESTMENTS 
The Putnam Funds 
One Post Office Square 
Boston, Massachusetts 02109 

Bulk Rate 
U.S. Postage 
PAID 
Putnam 
Investments 

058-15833 

<PAGE>

APPENDIX TO FORM N-30D FILINGS TO DESCRIBE DIFFERENCES BETWEEN PRINTED
AND EDGAR-FILED TEXTS:

(1)  Bold and italic typefaces are displayed in normal type.

(2)  Headers (e.g., the name of the fund) are omitted.

(3)  Certain tabular and columnar headings and symbols are displayed 
     differently in this filing.

(4)  Bullet points and similar graphic signals are omitted.

(5)  Page numbering is omitted.

(6)  Trademark symbol replaced with (TM)




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