PUTNAM INVESTMENT GRADE MUNICIPAL TRUST
N-30D, 1994-02-07
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Putnam 
Investment 
Grade 
Municipal 
Trust 

Annual 
Report 
November 30, 1993 

For investors seeking 
high current income 
free from federal 
income tax, consistent 
with preservation 
of capital 

          Contents 
 2        How your fund performed 
 3        From the Chairman 
 4        Report from Putnam Management 
          Annual Report 
 6        Report of Independent 
          Accountants 
 7        Portfolio of investments owned 
12        Financial statements 
22        Fund performance supplement 
23        Your Trustees 

A member 
of the Putnam 
Family of Funds 


<PAGE>


How your 
fund performed 

For periods ended November 30, 1993 

<TABLE>
<CAPTION>
Total return* 
                                                      Lehman Bros. 
(common shares)                    Fund     Market      Municipal 
                                     NAV     price     Bond Index 
 ------------------------------------------------------------------- 
<S>                                <C>      <C>           <C>
1 year                              16.85%   13.54%       11.09% 
3 years                             52.70    55.95        34.77 
 annualized                         15.15    15.97        10.46 
Life-of-fund                        63.41    58.31        47.67 
(annualized since 10/26/89)         12.66    11.86         9.92 
 ------------------------------------------------------------------- 
</TABLE>

<TABLE>
<CAPTION>
 --------------------------------------------------- 
Share data (common shares)    NAV       Market price 
 --------------------------------------------------- 
<S>                          <C>             <C>
November 30, 1992            $ 12.36         $13.250 
November 30, 1993            $ 13.44         $14.000 
 --------------------------------------------------- 
</TABLE>

<TABLE>
<CAPTION>
 ----------------------------------------------------------------------- 
Distributions (a) 
(common shares)                     Investment        Capital 
12 months ended                 Number  income          gains  Total 
 ----------------------------------------------------------------------- 
<S>                             <C>     <C>              <C>   <C>
November 30, 1993               12      $0.96            --    $0.96 
 ----------------------------------------------------------------------- 
</TABLE>

<TABLE>
<CAPTION>
 ------------------------------------------------------------- 
Number 
(preferred shares)          Investment  Capital 
Series A                    Income      Gains       Total 
- -------------------------------------------------------------- 
<S>                         <C>         <C>         <C>
1.400                       2,265.95    393.63      $2,659.58 
- -------------------------------------------------------------- 
</TABLE>

<TABLE>
<CAPTION>
                                                 Taxable equivalents+ 
Current returns 
at the end of the period             Market                 Market 
(Common shares)            NAV       price       NAV        price 
 -------------------------------------------------------------------- 
<S>                        <C>       <C>        <C>         <C>
Current dividend rate      7.14%      6.86%     11.82%      11.36% 
 -------------------------------------------------------------------- 
</TABLE>

*Performance data represent past results. Investment return, market price and 
net asset value will fluctuate so an investor's shares, when sold, may be 
worth more or less than their original cost. 

(a) Capital gains, if any, are taxable, and income from this fund may be 
subject to state and local taxes. For some investors, investment income may 
also be subject to the alternative minimum tax. 

+Taxable equivalent rates cited assume the maximum federal tax rate of 39.6%. 
Results for investors subject to lower tax rates would not be as 
advantageous, although many such investors would have the opportunity to 
receive attractive tax benefits from a fund investment. Consult your tax 
advisor for more guidance. 

Terms you need to know 

Total return is the change in value of an investment from the beginning to 
the end of a period, assuming the reinvestment of all distributions. It may 
be shown at net asset value or at market price. 

Net asset value (NAV) is the value of all your fund's assets, minus any 
liabilities, the liquidation preference and cumulative undeclared dividends 
on the remarketed preferred shares, divided by the number of outstanding 
common shares. (See Note 1b). 

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. 

Current dividend rate is calculated by annualizing the income portion of the 
fund's most recent distribution and dividing by the NAV or market price on 
the last day of the period. 

Taxable equivalent return is the rate at which a taxable investment would 
have to generate income to equal the fund's current dividend rate. 

Please see the fund performance supplement on page 22 for additional 
information about performance comparisons. 


<PAGE>


From the 
Chairman 

[George Putnam photo] 

George Putnam 
Chairman of the Trustees 
(C) Karsh, Ottawa 

Dear Shareholder: 

For the 12 months ended November 30, 1993, Putnam Investment Grade Municipal 
Trust handed in impressive performance results. For the period, the fund 
provided a total return of over 16% at net asset value, assuming reinvestment 
of all distributions. Your fund's performance significantly outpaced that of 
the Lehman Brothers Municipal Bond Index, which provided a return of just 
over 11% for the same period. 

Your fund's performance record has not gone unnoticed. Lipper Analytical 
Services, an industry ranking agency, ranked your fund #1 out of 20 similar 
funds for the three-year period ended November 30, 1993. Credit for this 
performance is due, at least in part, to intensive and on-going 
research-driven analysis by Putnam's team of professionals. 

Additionally, conditions in the municipal bond market have been exceptional 
for the last couple of years. As your fund's manager, William H. Reeves, will 
discuss in the Report from Putnam Management that follows, this and several 
other important factors are making tax-exempt investing more attractive than 
ever. I am confident that Bill will continue to position the fund to take 
full advantage of this favorable environment. 

Respectfully yours, 
[George Putnam signature]
George Putnam 
January 19, 1994 


<PAGE>

Report from 
Putnam Management 

In seeking high current income consistent with capital preservation, Putnam 
Investment Grade Municipal Trust concentrates on municipal securities that 
are considered investment grade -- those rated BBB or better by nationally 
recognized rating services such as Fitch Investors Service, Inc. and Standard 
& Poor's(r). 

Thanks to several factors, including favorable market conditions for these 
securities, your fund's performance during the last 12 months has been 
exceptional. Total return at net asset value was 16.85%, assuming 
reinvestment of all distributions. Each of the factors that contributed to 
your fund's performance warrants explanation. 

Attractive municipal market The tax-exempt securities market as a whole has 
provided very strong returns over the last year. A slowly recovering economy, 
coupled with low interest rates and low inflation, has helped boost the 
performance of tax-exempt securities and your fund's holdings. One reason for 
this is that as interest rates decline, the value of all bonds, including 
tax-exempt bonds, increases. 

Additionally, more and more investors are looking for ways to shelter their 
investment income from higher taxes. Tax-exempt bond investments continue to 
be one of the few ways for investors to reduce their tax bill. The demand for 
municipal bonds has, therefore, continued to exceed the supply, and we 
believe it will continue to do so in the coming months. 

Benefits of leverage We have carefully managed the use of leverage to help 
boost the fund's returns. By issuing and selling preferred shares of the fund 
to institutional, short-term investors, we have 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 holders of 
common shares, which can enhance their monthly dividend level. 

We believe that positive conditions in the municipal securities market and 
the expectation for continued slow economic growth will continue to make the 
use of leverage attractive for your fund. Of course, we are continually 
monitoring the impact of these strategies on the fund's portfolio, and will 
use them selectively and appropriately, considering market conditions. 

Remaining fully invested We continue to stress the importance of keeping at 
least 99% of the fund's assets invested in tax-exempt bonds. We believe that, 
under current market conditions, maintaining a significant portion of the 
fund's holdings in cash or other investments would deprive the fund of income 
benefits now available. 

Currently, your fund's portfolio holds a broad range of securities from 
issuers across the country and in different municipal sectors that include 
housing, electric power, hospitals, education, water and sewer, and 
transportation. So while we believe that staying fully invested in the 
tax-exempt securities market is important, we realize the advantage of 
diversifying assets among a range of quality, tax-exempt holdings. 

Active call protection One of our most important tools for preserving and 
enhancing the fund's income stream over time remains to be active call 
protection. By taking advantage of the market's current supply and demand 
imbalance, we have been able to replace bonds with approaching call dates -- 
the ones most likely to be called in by issuers refinancing at lower rates -- 
with bonds having later call dates, which offer better yields over a longer 
period. Therefore, while there has been talk of a municipal bond "call 
problem," your fund is turning this into an opportunity to enhance the value 
of your shares. 

Looking ahead All of the factors we have discussed here have contributed to 
the fund's strong total return--the result of both attractive income and 
appreciation in the value of the fund's holdings. 

We believe that the current low rate of inflation coupled with slow economic 
growth will continue for several months. Additionally, we expect the demand 
for tax-exempt securities to continue to outpace supply. Many analysts are 
predicting a sharp drop in supply of municipal bonds over the next year, an 
expectation we share. In the coming months, we will continue to monitor the 
tax-exempt market and position your fund accordingly. 

[Bar chart]
Top industry sectors 
(based on net assets as of 11/30/93) 
           Utilities  26.8%
Hospitals/Healthcare  11.8%
      Transportation  10.2%
             Housing   7.4%
           Education   6.5%
[End Bar Chart]
<PAGE>


Putnam 
Investment 
Grade 
Municipal 
Trust 

Annual Report
For the Year Ended November 30, 1993

Report of Independent Accountants 

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 (except for bond ratings), 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, 1993, 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, 1993 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 
Boston, Massachusetts 
January 12, 1994 

<PAGE>


Portfolio of 
investments owned 
November 30, 1993 

Municipal Bonds and Notes (102.1%)(a) 

<TABLE>
<CAPTION>
Principal Amount                                                                                  Ratings(b)          Value 
- ----------------------------------------------------------------------------------------------    -------------   -------------- 
<S>              <C>                                                                                <C>             <C>
Alabama (1.8%) 
$ 5,500,000      Gadsden East, Med. Clinic Board Rev. Bonds (Baptist Hosp. of Gadsden Inc.), 
                   Ser. A, 7.8s, 11/1/21                                                            BBB           $ 6,125,623 
  1,000,000      Mobile, Arpt. Auth. Rev. Bonds 11-1/4s, 10/1/14                                    BBB             1,085,000 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                    7,210,623 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Arizona (0.6%) 
  2,500,000      Maricopa Cnty., School Dist. No. 48 Rev. Bonds Ser. B, 4.6s, 7/1/11                AA              2,278,125 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
California (18.5%) 
  5,000,000      CA State Pub. Works Board Lease Rev. Bonds (Dept. of Corrections-State 
                   Prisons), Ser. A, American Municipal Bond Assurance Corp. (AMBAC) 5-1/4s, 
                   12/1/07                                                                          AAA             5,043,750 
  8,400,000      CA State U. Residual Interest Bonds (RIBS) AMBAC, 10.888s, 11/1/21 (acquired 
                   8/5/91, cost $8,592,696)(c)                                                      AAA            10,500,000 
                 Los Angeles Cnty., Pub. Works Fin. Auth. Lease Rev. Bonds (Multi. Cap. Facs. 
                   Project), Municipal Bond Insurance Assn. (MBIA) 
  5,000,000       5-1/4s, 12/1/16(d)                                                                AAA             4,806,250 
  9,500,000       4-3/4s, 12/1/10(d)                                                                AAA             8,870,625 
  1,580,000      Los Angeles, Regl. Arpts. Impt. Corp. Rev. Bonds (Western Airlines-Delta 
                   Airlines), 11-1/4s, 11/1/25                                                      Baa             1,815,025 
$ 6,700,000      Metropolitan Wtr. Dist. RIBS 10.393s, 7/1/18 (acquired 8/5/91, cost 
                   $6,566,000)(c)                                                                   AA            $ 8,818,875 
  5,000,000      Northern CA Transmission Rev. Bonds (CA-OR Transmission), Ser. A, MBIA, 5.1s, 
                   5/1/06                                                                           AAA             5,025,000 
  5,500,000      Orange Cnty., Sanitation Dist. Certif. of Participation Variable Rate Demand 
                   Notes (VRDN) 1.7s, 8/1/15                                                        VMIG1           5,500,000 
  5,000,000      Poway, Redev. Agcy. Tax Alloc. Rev. Bonds (Paraguay Redev. Project), 
                   Financial Guaranty Insurance Company (FGIC), 5-1/2s, 12/15/23                    AAA             4,900,000 
                 San Diego Cnty., Regl. Trans. Comm. Sales Tax Rev. Bonds, Ser. A-2, FGIC 
  4,000,000       5-1/4s, 4/1/07                                                                    AAA             4,025,000 
  3,000,000       5-1/4s, 4/1/06                                                                    AAA             3,045,000 
  7,000,000      Southern CA Pub. Pwr. Auth. Rev. Bonds (Transmission Project), 5-1/2s, 7/1/20      AA              6,781,250 
  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             5,600,000 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                   74,730,775 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Colorado (2.7%) 
 10,000,000      Denver, City & Cnty. Arpt. Rev. Bonds Ser. D, 7-3/4s, 11/15/21                     BBB            11,137,500 
- -------------------------------------------------------------------------------------------------------------------------------- 
   
Florida (2.1%) 
$ 6,375,000      Jacksonville, Port Auth. Indl. Dev. Poll. Control Rev. Bonds 
                  (FL Pwr. & Lt. Co. Project), 11-3/8s, 5/1/19                                      A             $ 6,757,500 
  1,500,000      Tampa, Wtr. & Swr. floating rate notes, 
                  Ser. A, FGIC, 3.34s, 10/1/12                                                      AAA             1,582,500 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                    8,340,000 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Georgia (5.1%) 
                 Burke Cnty., Dev. Auth. Poll. Control Rev. Bonds (Oglethorpe Pwr. 
                   Corp.-Vogtle Project), 
  1,600,000        9-7/8s, 1/1/10                                                                   AA              1,730,000 
  3,800,000       10-1/2s, 1/1/14                                                                   AA              3,895,000 
 10,000,000      Burke Cnty., Dev. Auth. Poll. Control VRDN (Oglethorpe Pwr. Corp.-Vogtle 
                   Project), 2.1s, 1/1/16                                                           VMIG1          10,000,000 
  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             4,938,000 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                   20,563,000 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Hawaii (1.3%) 
  4,500,000      HI State Dept. of Budget & Fin. Mtge. RIBS (Citizens Util. Co.), Ser. 91-B, 
                   10.4s, 11/1/21                                                                   AAA             5,310,000 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Illinois (2.4%) 
  1,800,000      IL Dev. Fin. Auth. Poll. Control Rev. Bonds (Cmnwlth. Edison Co. Project), 
                   10-5/8s, 3/1/15                                                                  BBB             1,968,750 
  8,000,000      IL State Sales Tax Rev. Bonds Ser. S, 5s, 6/15/08                                  AAA             7,730,000 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                    9,698,750 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Louisiana (2.2%) 
$ 5,000,000      Lake Charles, Harbor & Term. Dist. Port Fac. Rev. Bonds (Trunkline Co. 
                   Project), 7-3/4s, 8/15/22                                                        Ba            $ 5,712,500 
  3,000,000      West Feliciana, Poll. Control Rev. Bonds (Gulf States Util. Co. Project), 
                   7.7s, 12/1/14                                                                    BBB             3,416,250 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                    9,128,750 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Maryland (2.1%) 
  5,000,000      Baltimore Cnty., RIBS 10.377s, 7/1/16 (acquired 12/17/91, cost $5,062,500)(c)      AAA             6,112,500 
  2,000,000      MD State Hlth. & Higher Edl. Fac. Auth. Rev. Bonds (Doctors Cmnty. Hosp.), 
                   8-3/4s, 7/1/12                                                                   BBB             2,507,500 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                    8,620,000 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Massachusetts (10.6%) 
  5,000,000      MA Indl. Fin. Agcy. Rev. Bonds (Cape Cod Hlth. Syst.), 8-1/2s, 11/15/20            AAA             6,237,500 
                 MA State Cons. Loan General Obligation (G.O.) Bonds 
  6,000,000       Ser. D, 6s, 7/1/12                                                                A               6,165,000 
 12,000,000       Ser. A, 6s, 6/1/11                                                                A              12,330,000 
 15,000,000      MA State Wtr. Resource Auth. Rev. Bonds Ser. A, 7-5/8s, 4/1/14                     AAA            17,737,500 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                   42,470,000 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Michigan (4.4%) 
  2,000,000      Detroit, Dev. Fin. Auth. Tax Increment Rev. Bonds Ser. A, 9-1/2s, 5/1/21           BBB/P           2,482,500 
$ 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             $ 1,789,288 
  3,900,000      MI State Hosp. Fin. Auth. Rev. Bonds (Henry Ford Hosp.), Ser. A 
                  10-1/2s, 5/1/08                                                                   AA              4,089,638 
  3,000,000      MI State Strategic Fund Ltd. Oblig. Rev. Bonds (Mercy Svcs. for Aging 
                   Project), 9.4s, 5/15/20                                                          BBB/P           3,292,500 
  5,435,000      Monroe Cnty., Poll. Control Rev. Bonds (Detroit Edison Co.), Ser. A, 
                   10-1/2s, 12/1/16                                                                 BBB             6,223,075 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                   17,877,001 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Minnesota (0.2%) 
    900,000      Hutchinson, Indl. Dev. VRDN (Hutchinson Tech. Inc. Project), 2.4s, 6/1/04          VMIG1             900,000 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
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           6,094,688 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Missouri (0.3%) 
  1,000,000      MO State Hlth. & Edl. Fac. Auth. VRDN (Sisters of Mercy Project), 2.3s, 
                   6/1/14                                                                           VMIG1           1,000,000 
- ---------------------------------------------------------------------------------------------------------------------------------
Nebraska (4.3%) 
$ 3,500,000      NE Investment Fin. Auth. Single Fam. Mtge. RIBS, Ser. B, Government National 
                   Mortgage Assn. (GNMA) Coll., 12.231s, 3/15/22                                    AAA           $ 4,112,500 
 12,690,000      NE Investment Fin. Auth. Single Fam. Mtge. Rev. Bonds 1st Ser., GNMA Coll., 
                   MBIA, 8-1/8s, 8/15/38                                                            AAA            13,467,263 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                   17,579,763 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Nevada (2.6%) 
  3,400,000      Clark Cnty., Arpt. Impt. VRDN Ser. A, MBIA, 2-1/4s, 7/1/12                         VMIG1           3,400,000 
  6,500,000      Clark Cnty., Indl. Dev. Rev. Bonds (NV Pwr. Co. Project), 7.8s, 6/1/20             BBB             7,288,125 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                   10,688,125 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
New York (8.1%) 
                 NY City, G.O. Bonds 
  8,070,000       Ser. B, 7-1/2s, 2/1/04                                                            A               9,139,275 
 15,735,000       Ser. B, 7s, 10/1/15                                                               A              16,974,131 
  1,865,000      NY City, Hsg. Dev. Corp. Multi-Fam. Rev. Bonds Ser. 85-1, Federal Housing 
                   Administration (FHA) Insd., 9-1/2s, 10/1/00                                      AA              1,955,919 
  4,000,000      NY State Energy Research & Dev. Auth. Poll. Control Rev. Bonds 
                  (NY State Elec. & Gas Corp.), Ser. 84-A, 12s, 5/1/14                              BBB             4,255,000 
$ 1,125,000      Riverton Hsg. Corp. Mtge. Rev. Bonds (Conifer Genesee Apt.), FHA Insd., 
                   10-1/2s, 1/15/25                                                                 A             $ 1,182,656 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                   33,506,981 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
North Dakota (2.9%) 
 10,850,000      Mercer Cnty., Poll. Control Rev. Bonds (Basin Elec. Pwr. Coop.-Antelope), 
                   AMBAC, 10-1/2s, 6/30/13                                                          AAA            11,853,625 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Ohio (2.5%) 
                 OH State Air Quality Dev. Auth. Poll. Control Rev. Bonds 
  3,600,000       (Cincinnati Gas & Elec.), 10-1/8s, 12/1/15                                        BBB             4,099,500 
  5,000,000       (Cleveland Co. Project), FGIC, 8s, 12/1/13                                        AAA             6,018,750 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                   10,118,250 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Oklahoma (1.7%) 
                 Tulsa, Muni. Arpt. Trans Rev. Bonds (American Airlines, Inc.) 
  2,750,000       9-1/2, 6/1/20                                                                     BB              3,014,688 
  3,500,000       7-3/8s, 12/1/20                                                                   BBB             3,745,000 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                    6,759,688 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Pennsylvania (7.6%) 
  4,270,000      Allegheny Cnty., Res. Fin. Auth. Single Fam. Mtge. Rev. Bonds, GNMA Coll., 
                   7.9s, 6/1/11                                                                     AAA             4,547,550 
  2,500,000      Delaware Cnty., Indl. Dev. Auth. Arpt. Fac. VRDN (UPS Project), 1.8s, 12/1/15      A-1             2,500,000 
  4,500,000      Geisinger, Hlth. Syst. Rev. Muni. Cap. Bonds 
                   Ser. A, 5.45s, 7/1/22                                                            AA              4,786,875 
$ 5,000,000      Montgomery Cnty., Indl. Dev. Auth. Resource Recvy. Rev. Bonds 
                   7-1/2s, 1/1/12                                                                   A             $ 5,506,250 
  7,600,000      PA State Higher Ed. Assistance Agcy. Student Loan RIBS 
                   Ser. B, MBIA, 12.079s, 3/1/20                                                    AAA             9,186,500 
                 Philadelphia Wtr. & Swr. FGIC 
  3,000,000       5.2s, 6/15/05                                                                     AAA             3,033,750 
  3,000,000       4.8s, linked annuity 6/15/05                                                      AAA             1,282,500 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                   30,843,425 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Tennessee (0.3%) 
  1,000,000      Metro. Nashville & Davidson Cnty., Hlth. & Edl. Fac. Rev. Bonds (Vanderbilt 
                   U.), Ser. A, 10-1/2s, 12/1/14                                                    A               1,090,000 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Texas (10.9%) 
  2,500,000      Bexar Cnty., Hlth. Fac. Dev. Corp. Rev. Bonds (St. Luke's Lutheran Hosp. 
                   Project), 7.9s, 5/1/11                                                           BBB             2,737,500 
 15,500,000      Dallas-Fort Worth, Intl. Arpt. Fac. Impt. Corp. Rev. Bonds (American 
                   Airlines, Inc.), 7-1/2s, 11/1/25                                                 BB             16,701,250 
  3,500,000      Dallas-Fort Worth, Regl. Arpt. Rev. Bonds 
                   Ser. 84-A, 11s, 11/1/12                                                          A               3,810,625 
 11,000,000      North Central TX Hlth. Fac. Dev. Corp. RIBS (Presbyterian Health Care Syst.), 
                   Ser. C, MBIA, 10.495s, 6/15/21                                                   AAA            12,705,000 
$ 1,000,000      North Central TX Hlth. Fac. Dev. Corp. Rev. Bonds (U. Med. Ctr. Inc. 
                   Project), 7-3/4s, 4/1/17                                                         BBB/P        $  1,053,750 
  7,000,000      Northeast Hosp. Auth. Rev. Bonds (Northeast Med. Ctr. Hosp.), 
                   Ser. B, FGIC, 7-1/4s, 7/1/22                                                     BBB             7,376,250 
 -------------------------------------------------------------------------------------------------------------------------------- 
                                                                                                                   44,384,375 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Virginia (0.8%) 
  3,200,000      Winchester, Indl. Dev. Auth. Hosp. RIBS, AMBAC, 5.39s, 1/1/15                      AAA             3,288,000 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
Washington (4.6%) 
  1,000,000      Port Longview, Indl. Dev. Corp. Export Fac. Rev. Bonds (Atlantic Richfield 
                   Co.), 10-3/4s, 9/1/12                                                            A               1,026,250 
                 WA State Pub. Pwr. Supply Syst. Rev. Bonds (Nuclear Project No. 1), Ser. A 
  4,860,000       7-1/2s prerefunded 7/1/15                                                         AA              5,661,900 
 10,640,000       7-1/2s, 7/1/15                                                                    AA             11,943,400 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                                                                                                                   18,631,550 
 -------------------------------------------------------------------------------------------------------------------------------- 
   
                 Total Investments (cost $381,769,167)(e)                                                       $ 414,102,994 
- --------------------------------------------------------------------------------------------------------------------------------- 
   
</TABLE>

(a) Percentages indicated are based on total net assets of $405,670,181. Net 
assets available to common shareholders are $265,629,948, which correspond to 
a net asset value per common share of $13.44. 

(b) The Moody's and Standard & Poor's ratings indicated are believed to be 
the most recent ratings available at November 30, 1993 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 ratings 
the agencies would ascribe to these securities at November 30, 1993. 
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 as 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, 1993 was $31,031,375 or 7.6% of 
net assets. 

(d) A portion of these securities, having a value of $13,676,875 or 3.4% of 
net assets has been purchased on a "forward commitment" basis--that is, the 
fund has agreed to take delivery of and make payment for such securities 
beyond the settlement time of five business days after the trade date and 
subsequent to the date of this report. The purchase price and interest rate 
of such securities are fixed at trade date, although the Fund does not earn 
any interest on such securities until settlement date. 

(e) The aggregate identified cost for federal income tax purposes is 
$382,008,083, resulting in gross unrealized appreciation and depreciation of 
$35,193,672 and $3,098,761, respectively, or net unrealized appreciation of 
$32,094,911. 

The rates shown on Residual Interest Bonds (RIBS) and Variable Rate Demand 
Notes (VRDN) are the current rates at November 30, 1993, 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, 1993 (as a percentage of net assets): 

Utilities              26.8% 
Hospitals/Healthcare   11.8 
Transportation         10.2 

The Fund had the following insurance group concentrations greater than 10% at 
November 30, 1993 (as a percentage of net assets): 

 MBIA   11.03% 

<PAGE>


Statement of 
assets and liabilities 
November 30, 1993 

<TABLE>
<S>                    <S>                                                                      <C>               <C>
Assets                 Investments in securities, at value (identified cost $381,769,167) (Note 1)                $414,102,994 
                       Interest and other receivables                                                                7,637,595 
                       Unamortized organization expenses (Note 1)                                                        6,405 
                       ------------------------------------------------------------------      -------------      ------------- 
                         Total assets                                                                              421,746,994 
Liabilities            Payable to subcustodian bank (Note 3)                                    $    34,639 
                       Payable for securities purchased                                          13,620,643 
                       Distributions payable to shareholders                                      1,581,157 
                       Payable for compensation of Manager (Note 3)                                 714,758 
                       Payable for administrative services (Note 3)                                   1,787 
                       Payable for compensation of Trustees (Note 3)                                    207 
                       Payable for investor servicing and custodian fees (Note 3)                    59,463 
                       Other accrued expenses                                                        64,159 
                        ------------------------------------------------------------------      -------------      ------------- 
                         Total liabilities                                                                          16,076,813 
                        ------------------------------------------------------------------      -------------      ------------- 
                       Net assets                                                                                 $405,670,181 
                        ------------------------------------------------------------------      -------------      ------------- 
Represented by         Series A remarketed preferred shares, without par value; 2,000 
                         shares authorized (1,400 shares issued at $100,000 per share 
                         liquidation preference) (Note 2)                                                         $140,000,000 
                       Common shares, without par value; unlimited shares authorized; 
                         19,764,439 shares outstanding                                                             217,502,698 
                       Undistributed net investment income                                                          11,091,758 
                       Accumulated net realized gain on investments                                                  4,741,898 
                       Net unrealized appreciation of investments                                                   32,333,827 
                        ------------------------------------------------------------------      -------------      ------------- 
                       Net assets                                                                                 $405,670,181 
                        -------------------------------------------------------------------------------------      ------------- 
Computation of         Remarketed preferred shares at liquidation preference                                      $140,000,000 
net asset value        Cumulative undeclared income dividends on remarketed preferred 
                         shares                                                                                          9,590 
                       Cumulative undeclared capital gain dividends on remarketed 
                         preferred shares (Note 2)                                                                      30,643 
                        ------------------------------------------------------------------      -------------      ------------- 
                       Net assets allocated to remarketed preferred shares at liquidation 
                         preference                                                                                140,040,233 
                        ------------------------------------------------------------------      -------------      ------------- 
                       Net assets available to common shares: Net asset value per share 
                         $13.44 ($265,629,948 divided by 19,764,439 shares)                                        265,629,948 
                        ------------------------------------------------------------------      -------------      ------------- 
                       Net assets                                                                                 $405,670,181 
                        ------------------------------------------------------------------      -------------      ------------- 
</TABLE>

<PAGE>


Statement of 
operations 
Year ended November 30, 1993 
<TABLE>
<S>             <S>                                                            <C>              <C>         
                =========================================================      ==========       =========== 
                Tax exempt investment income                                                    $29,583,570 
                
                Expenses: 
                Compensation of Manager (Note 3)                               $2,794,315 
                Investor servicing and custodian fees (Note 3)                    245,231 
                Compensation of Trustees (Note 3)                                  16,703 
                Reports to shareholders                                            17,392 
                Auditing                                                           58,991 
                Postage                                                            70,862 
                Legal                                                              13,743 
                Administrative services (Note 3)                                   15,455 
                Exchange listing fees                                              22,201 
                Amortization of organization expenses (Note 1)                      7,099 
                Preferred share remarketing agent fees                            357,842 
                Other                                                               5,977 
                 ---------------------------------------------------------     -----------      ------------ 
                  Total expenses                                                                  3,625,811 
                 ---------------------------------------------------------     -----------      ------------ 
                Net investment income                                                            25,957,759 
                 ---------------------------------------------------------     -----------      ------------ 
                Net realized gain on investments (Notes 1 and 4)                                  5,190,582 
                Net realized loss on futures contracts (Notes 1 and 4)                             (189,197) 
                Net unrealized appreciation of investments during the 
                  year                                                                           12,914,296 
                 ---------------------------------------------------------     -----------      ------------ 
                Net gain on investments                                                          17,915,681 
                 ---------------------------------------------------------     -----------      ------------ 
                Net increase in net assets resulting from operations                            $43,873,440 
                 ---------------------------------------------------------     -----------      ------------ 
</TABLE>

<PAGE>

      
Statement of 
changes in net assets 
<TABLE>
<CAPTION>
                                                                                                        Year ended November 30 
                                                                                                       1993               1992 
                        ==================================================================      =============      ============= 
<S>                    <S>                                                                     <C>                <C>          
Increase in net        Operations: 
assets 
                       Net investment income                                                   $ 25,957,759       $ 26,324,298 
                       Net realized gain on investments                                           5,190,582            479,586 
                       Net realized loss on futures contracts                                      (189,197)           -- 
                       Net unrealized appreciation of investments during the year                12,914,296         12,093,843 
                        ------------------------------------------------------------------      -------------      ------------- 
                       Net increase in net assets resulting from operations                      43,873,440         38,897,727 
                       Distributions to remarketed preferred shareholders from: 
                         Net investment income                                                   (3,172,332)        (4,717,705) 
                         Net realized gain on investments                                          (551,080)            -- 
                        ------------------------------------------------------------------      -------------      ------------- 
                       Net increase in net assets resulting from operations applicable to 
                         common shareholders (excluding cumulative undeclared income 
                         dividends on remarketed preferred shares of $9,590 and $0, 
                         respectively, and cumulative undeclared capital gain dividends 
                         on remarketed preferred shares of $30,643 and $0, respectively)         40,150,028         34,180,022 
                       
                       Distributions to common shareholders from net investment income          (18,883,406)       (17,757,617) 
                       Increase from capital share transactions from reinvestment of 
                         distributions to common shareholders                                     2,722,866          2,284,641 
                        ------------------------------------------------------------------      -------------      ------------- 
                       Total increase in net assets                                              23,989,488         18,707,046 

Net assets             Beginning of year                                                        381,680,693        362,973,647 
                        ------------------------------------------------------------------      -------------      ------------- 
                       End of year (including undistributed net investment income of 
                         $11,091,758 and $7,740,817, respectively)                             $405,670,181       $381,680,693 
                        ------------------------------------------------------------------      -------------      ------------- 
Number of fund         Common shares outstanding at beginning of year                            19,560,916         19,371,673 
shares                 Common shares issued in connection with reinvestment of 
                         distributions                                                              203,523            189,243 
                        ------------------------------------------------------------------      -------------      ------------- 
                       Common shares outstanding at end of year                                  19,764,439         19,560,916 
                        ------------------------------------------------------------------      -------------      ------------- 
                       Remarketed preferred shares outstanding at the beginning and end 
                         of year                                                                      1,400              1,400 
</TABLE>

<PAGE>


Financial Highlights* 
(For a share outstanding throughout the period) 
<TABLE>
<CAPTION>
                                                                                           For the period 
                                                                                          October 26, 1989 
                                                                                           (commencement 
                                                                                         of operations) to 
                                                        Year ended November 30              November 30 
                                                  ------------------------------------   ------------------ 
                                                  1993      1992      1991      1990            1989 
 ---------------------------------------------------------------------------------------------------------- 
<S>                                            <C>       <C>       <C>       <C>              <C>
Net Asset Value, 
  Beginning of Period (common shares)          $  12.36  $  11.51  $  11.03  $  11.19         $  11.11** 
 ---------------------------------------------------------------------------------------------------------- 
Investment Operations: 
Net Investment Income                              1.32      1.35      1.27      1.14              .07 
Net Realized and Unrealized Gain (Loss) on 
  Investments                                       .91       .65       .43      (.08)             .01 
 ---------------------------------------------------------------------------------------------------------- 
Total from Investment Operations                   2.23      2.00      1.70      1.06              .08 
 ---------------------------------------------------------------------------------------------------------- 
Less Distributions from: 
Net Investment Income: 
 to Preferred Shareholders                         (.16)     (.24)     (.29)     (.23)              -- 
 to Common Shareholders                            (.96)     (.91)     (.89)     (.87)              -- 
Net Realized Gain on Investments 
 to Common Shareholders                              --        --        --      (.01)              -- 
 to Preferred Shareholders                         (.03)       --        --        --               -- 
 ---------------------------------------------------------------------------------------------------------- 
Total Distributions                               (1.15)    (1.15)    (1.18)    (1.11)              -- 
 ---------------------------------------------------------------------------------------------------------- 
Preferred Shares Offering Costs                      --        --      (.04)     (.11)              -- 
 ---------------------------------------------------------------------------------------------------------- 
Net Asset Value, End of Period 
(common shares)                                $  13.44  $  12.36  $  11.51  $  11.03         $  11.19 
- -----------------------------------------------------------------------------------------------------------
Market Value, End of Period 
  (common shares)                              $  14.00  $  13.25  $  11.88  $  11.25         $  11.88 
- -----------------------------------------------------------------------------------------------------------
Total Investment Return at Market Price 
  (common shares) % (a)                           13.54     20.24     14.23      2.58           (10.40)(b) 
 ---------------------------------------------------------------------------------------------------------- 
Net Assets, End of Period 
  (Total Fund)(in thousands)                   $405,670  $381,681  $362,974  $311,731         $213,924 
 ---------------------------------------------------------------------------------------------------------- 
Ratio of Expenses to Average Net Assets 
  (%)(c)                                           1.40      1.45      1.46      1.21             1.25(b) 
Ratio of Net Investment Income to Average Net 
  Assets (%)(c)                                    8.59      9.20      8.70      8.29               -- 
Portfolio Turnover (%)                            33.73     44.39     72.49     89.65            13.17(d) 
 ---------------------------------------------------------------------------------------------------------- 
</TABLE>
*  Financial highlights for periods ended through November 30, 1992 have been 
restated to conform with requirements issued by the SEC in December 1992. 
** 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)Annualized. 
(c)Ratios reflect net assets available to common shares only; net investment 
income ratio also reflects reduction for dividend payments to preferred 
shareholders. 
(d)Not annualized. 


<PAGE>

Notes to 
financial statements 
November 30, 1993 

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 does 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. 

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 Trustees. The fair value of 
restricted securities represents the amount the Fund can reasonably expect to 
realize from an orderly disposition of such securities over a reasonable 
period of time. In making this determination, consideration is given to the 
financial position of the issuer and other fundamental analytical data 
relating to the investment and to the nature of the restrictions on 
disposition of the securities (including any registration expenses that might 
be borne by the Fund in connection with such disposition). In addition, such 
specific factors as the cost of the investment, the market value of any 
unrestricted securities of the same class (both at the time of purchase and 
at the time of valuation), the size of the holding, the prices of any recent 
transactions or offers with respect to such securities and any available 
analysts' reports regarding the issuer are also considered. 

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 know 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 
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, 1993 was 2.50%. 

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 are being 
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 83% of total distributions and dividends 
paid during fiscal 1993 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 earned taxable income and taxable gains 
during the fiscal year, it is required to pay 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 year. Of the total additional dividends required to be paid, $192,878 was 
paid during the year ended November 30, 1993 and the remaining $30,643 will 
be paid subsequent to year end. 

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 the 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 November 30, 1993, there were no such restrictions on the Fund. 

Note 3 
Management fee, 
administrative 
services, and 
other transactions 

Compensation of Putnam Investment Management, Inc. (formerly known as The 
Putnam Management Company, Inc.), the Fund's Manager, a wholly-owned 
subsidiary of Putnam Investments, Inc., (formerly known as The Putnam 
Companies, 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. For the year ended 
November 30, 1993, the Fund paid $15,455 for these services. 

Trustees of the Fund receive an annual Trustee's fee of $1,220 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 subsidiary of Putnam Investments, Inc. Investor servicing 
agent functions for the Fund's common shares are being provided by PFTC. Fees 
paid for these investor servicing and custodial functions for the year ended 
November 30, 1993 amounted to $245,231. 

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

As part of the custodian contract between PFTC and the subcustodian bank, the 
subcustodian has a lien on the securities of the Fund to the extent permitted 
by the Fund's investment restrictions to cover any advances made by the Fund. 
At November 30, 1993, the payable to subcustodian represents the amount due 
for cash advanced for the settlement of a security purchased. 

Note 4 
Purchases 
and sales 
of securities 

During the year ended November 30, 1993, purchases and sales of investment 
securities other than short-term municipal obligations aggregated 
$136,824,812 and $129,886,631, respectively. Purchases and sales of 
short-term municipal obligations aggregated $77,200,000 and $64,825,000, 
respectively. In determining the net gain or loss on securities sold, the 
cost of securities has been determined on the identified cost basis. 

Transactions in U.S. Treasury Bond futures contracts during the year are 
summarized as follows: 
<TABLE>
<CAPTION>
                       Sales of Futures Contracts 
                       -------------------------- 
                         Number of      Aggregate 
                         Contracts     Face Value 
- ------------------------------------------------- 
<S>                    <C>           <C>
Contracts opened           700       $ 77,885,279 
Contracts closed          (700)       (77,885,279) 
- ------------------------------------------------- 
Open at end of year         --       $         -- 
- ------------------------------------------------- 
</TABLE>

Selected 
quarterly 
data 
(Unaudited) 

<TABLE>
<CAPTION>
                                                                   Three months ended 

                       November 30    August 31       May 31  February 28  November 30    August 31        May 31   February 29 
                              1993         1993         1993         1993         1992         1992          1992          1992 
<S>                   <C>          <C>           <C>         <C>          <C>           <C>          <C>           <C>
- ---------------------------------------------------------------------------------------------------------------------------------
Total investment 
  income 
 Total                $  7,299,845 $  7,412,198 $  7,460,790 $  7,410,737 $  7,508,063  $  7,584,336 $  7,395,574  $  7,237,837 
 Per Share*           $        .37 $        .38 $        .37 $        .38 $        .38  $        .39 $        .38  $        .37 
- ---------------------------------------------------------------------------------------------------------------------------------
Net investment income 
  available to common 
  shareholders 
 Total                $  5,266,270 $  5,650,335 $  5,679,969 $  5,637,773 $  5,509,821  $  5,781,715 $  5,211,323  $  5,103,734 
 Per Share*           $        .27 $        .29 $        .28 $        .29 $        .29  $        .29 $        .27  $        .26 
Net realized and 
  unrealized gain 
  (loss) on 
  investments 
 Total                $ (3,629,890)$  9,372,959 $ (4,510,500)$ 16,683,112 $ (3,419,262) $  8,679,987 $  4,286,298  $  3,026,406 
 Per Share*           $       (.19)$        .48 $       (.22)$        .84 $       (.17) $        .45 $        .22  $        .15 
- ---------------------------------------------------------------------------------------------------------------------------------
Net increase in net 
  assets available to 
  common shareholders 
  resulting from 
  operations 
 Total                $  1,636,380 $ 15,023,294 $  1,169,469 $ 22,320,885 $  2,090,559  $ 14,461,702 $  9,497,621  $  8,130,140 
 Per Share*           $        .08 $        .77 $        .06 $       1.13 $        .12  $        .74 $        .49  $        .41 
- -----------------------------------------------------------------------------------------------------------------------------
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 $241,680,693  $243,565,922 $233,041,423  $227,253,559 
 Per Share*           $      13.44 $      13.60 $      13.07 $      13.25 $      12.36  $      12.48 $      11.97  $      11.70 
- ---------------------------------------------------------------------------------------------------------------------------------
* Per common share 

</TABLE>

Fund 
performance 
supplement 

Putnam Investment Grade Municipal Trust is a portfolio managed for high 
current income free from federal income tax, consistent with preservation of 
capital. 

The Lehman Brothers Municipal Bond Index is an unmanaged list of 
approximately 8,000 investment-grade, fixed rate, long-term maturity 
tax-exempt bonds, which are selected to be representative of the market in 
terms of price movement and sector distribution. The average quality of bonds 
held in the index may differ from the average quality of those bonds in which 
the fund invests. The index does not include bonds in certain of the lower 
rating classifications in which the fund may invest. The index does not take 
into account brokerage commissions or other costs and may pose different 
risks from the fund. Total return performance for the index reflects 
mathematically derived changes of market price and reinvestment of interest 
payments, as computed by Lehman Brothers. The fund's portfolio contains 
securities that do not match those in the index. 

The fund performance supplement has been prepared by Putnam Management to 
provide additional information about the fund and the indexes used for 
performance comparisons. The information is not part of the portfolio of 
investments owned or the financial statements. 


<PAGE>

Your 
Trustees 

George Putnam 
Chairman 
Chairman and President, 
The Putnam Funds 

William F. Pounds 
Vice Chairman 
Professor of Management, 
Alfred P. Sloan 
School of Management, 
Massachusetts Institute of 
Technology 

Hans H. Estin 
Vice Chairman, 
North American 
Management Corporation 

John A. Hill 
Principal and 
Managing Director, 
First Reserve Corp. 

Elizabeth T. Kennan 
President, 
Mount Holyoke College 

Lawrence J. Lasser 
President and 
Chief Executive Officer, 
Putnam Investments, Inc. 

Robert E. Patterson 
Executive Vice President, 
Cabot Partners 
Limited Partnership 

Donald S. Perkins 
Director of various 
corporations 

George Putnam, III 
President, New Generation 
Research, Inc. 

A.J.C. Smith 
Chairman of the Board 
and Chief Executive Officer, 
Marsh & McLennan 
Companies, Inc. 

W. Nicholas Thorndike 
Director of various 
corporations 

<PAGE>


Putnam 
Investment 
Grade 
Municipal 
Trust 

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 

Investor servicing agent 
Putnam Investor Services 
Mailing address: 
P.O. Box 41203 
Providence, RI 02940-1203 
1-800-225-1581 

Custodian 
Putnam Fiduciary 
Trust Company 

Legal counsel 
Ropes & Gray 

Independent accountants 
Price Waterhouse 

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 

John R. Verani 
Vice President 

Gary N. Coburn 
Vice President 

James E. Erickson 
Vice President 

William Reeves 
Vice President 
and Fund Manager 

William N. Shiebler 
Vice President 

John D. Hughes 
Vice President 
and Treasurer 

Paul O'Neil 
Vice President 

Beverly Marcus 
Clerk and 
Assistant Treasurer 

Call 1-800-634-1587 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. 

10014-MGM 12/93 

[Dalbar logo]
Putnam Investor Services
has received the DALBAR
award
each year since the award's
1990 inception.
In more than 10,000 tests
of 38 shareholder
service components,
Putnam outperformed 
the industry standard
in every category.

<PAGE>


PUTNAM INVESTMENTS
The Putnam Funds
One Post Office Square
Boston, Massachusetts 02109

Bulk Rate
U.S. Postage
Paid
Boston, MA
Permit No. 53749


<PAGE>
<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) and footers (e.g., page
     numbers and "The accompanying notes are an integral part of these
     financial statements") are omitted.

(3)  Because the printed page breaks are not reflected, 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)  Dagger footnote symbol replaced with plus sign (+).








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