PUTNAM MINNESOTA TAX EXEMPT INCOME FUND II
N-30D, 1995-07-27
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                             Putnam 
                             Minnesota 
                             Tax Exempt 
                             Income Fund II 

[PICURE OF ????] 

ANNUAL REPORT 
May 31, 1995 
                                [PUTNAM LOGO] 
                    B O S T O N * L O N D O N * T O K Y O 

                                       
<PAGE>
 
Performance highlights 

> "Yields are high relative to Treasuries, so there's every reason to stick 
  with munis." 

  Business Week, June 19, 1995 


> "Munis currently are one of the best deals going . . . . Muni funds still 
  offer tempting tax-free yields averaging 4.8%--the taxable equivalent of 
  6.7% for someone in the 28% tax bracket." 
  
  Morningstar analyst Patricia Brady, cited in Money's Guide, Summer 1995 


FISCAL 1995 RESULTS AT A GLANCE 

<TABLE>
<CAPTION>
                                                  Class A                  Class B 
 Total return:                             NAV             POP          NAV     CDSC 
<S>                            <C>      <C>               <C>          <C>      <C>
 (change in value during 
  period plus reinvested 
  distributions) 
  12 months ended 5/31/95                 7.90%           2.75%        7.17%    2.17% 

                                     Class A             Class B           Class M 
 Share value                    NAV        POP             NAV          NAV      POP 
 5/31/94                       $8.79      $9.23           $8.77          --      -- 
 4/3/95                          --        --              --          $8.77    $9.06 
 5/31/95                        8.95       9.40            8.92         8.95     9.25 

 Distributions                  No.      Income     Capital gains(2)        Total 
 Class A                          12    $0.500702        --              $ 0.500702 
 Class B                          12     0.450094        --                0.450094 
 Class M                           2     0.072082        --                0.072082 

                                                  Class A                  Class B 
 Current return                            NAV             POP               NAV 
 End of period 
 Current dividend rate(3)                5.47%             5.20%           4.91% 
 Taxable equivalent(4)                   9.90              9.41            8.88 
 Current 30-day SEC yield(5)             5.40              5.14            4.75 
 Taxable equivalent(4)                   9.77              9.30            8.59 
</TABLE>


Performance data represent past results and will differ for each share class. 
For performance over longer periods, see pages 8 and 9. POP assumes 4.75% 
maximum sales charge for class A shares and 3.25 % for class M shares. 
Performance for class M shares, which became effective 4/3/95, is not shown 
because of the brevity of the reporting period. CDSC assumes 5% maximum 
contingent deferred sales charge. (2)Capital gains 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. (3)Income portion of most recent 
distribution, annualized and divided by NAV or POP at end of period. 
(4)Assumes maximum combined state and federal tax rates of 44.73%. Results 
for investors subject to lower tax rates would not be as advantageous. 
(5)Based only on investment income, calculated using SEC guidelines. 



                                      2 
<PAGE>
 
From the Chairman 

[picture of George Putnam] 
(copyright)Karsh, Ottawa 

Dear Shareholder: 

Putnam Minnesota Tax Exempt Income Fund II's manager, Howard Manning, 
couldn't be more pleased with the municipal bond market's impressive comeback 
from the sustained decline of 1994. Mindful of the uncertainties still 
hovering in the background, however, he has begun taking steps aimed at 
preserving some of the fund's gains achieved during the final months of the 
fiscal year ended May 31, 1995. 

At the same time, Howard is optimistic about prospects for fiscal 1996. The 
recovery in the tax-exempt bond market, while substantial, has lagged that of 
other fixed-income markets, leading him to believe the rally may have some 
staying power. 


Municipal bond investors already have shaken off the jitters ignited by a 
flat-tax proposal recently thrown into the legislative hopper. In its purest 
form, a flat tax would eliminate the federal income tax advantage of 
municipal bonds. We do not believe Congress would enact any such restrictive 
provision. 


Howard provides more discussion of these and other issues in the report that 
follows. 

Respectfully yours, 

[signature of George Putnam] 
George Putnam 
Chairman of the Trustees 
July 19, 1995 

                                      3 
<PAGE>
 
Report from the Fund Manager 
Howard Manning 

The stormy mood of the bond markets over the past 12 months tested the nerves 
of most municipal bond investors--and the mettle of their funds' managers. 
As the Federal Reserve Board persevered in raising short-term interest rates 
through the second half of 1994, bond prices continued their prolonged slide. 
Not surprisingly, Putnam Minnesota Tax Exempt Income Fund II's performance at 
the end of calendar 1994 mirrored the negative direction of the overall 
market. However, since then, the fund--and the market--have strengthened 
considerably. 

> RENEWED BOND MARKET STRENGTH REFLECTED IN FUND PERFORMANCE 
In just the first three months of 1995, municipal bonds became the 
best-performing fixed-income category. The average municipal bond fund 
returned close to 7% over this period as the market responded positively to 
lower interest rates and diminished concerns about inflation. 

As the economy continued to exhibit signs of slowing down in the second 
quarter, investor optimism drove Treasury and corporate bond prices higher. 
Municipal bonds, however, lagged as investors were attracted by the stock 
market's strength and lured away from tax-exempt bonds by the prospect of a 
flat tax. 

Your fund's 12-month performance reflects these ups and downs. For the fiscal 
year ended May 31, 1995, your fund's total returns were 7.90% for class A 
shares and 7.17% for class B shares, both at net asset value. 

The fund also continued to generate an attractive level of income free from 
federal and Minnesota income taxes throughout the period. Its 5.47% current 
dividend rate for class A shares at the end of the period was equivalent to a 
taxable yield of 9.90% for investors in the maximum combined federal and 
state tax bracket of 44.73%. Those in lower brackets would also have been 
able to benefit, though not to the same extent. 



                                      4 
<PAGE>

> CAPTURING OPPORTUNITIES WHILE MINDING CALL PROTECTION 
Your fund, like the vast majority of municipal bond funds, began the year 
defensively positioned relative to interest rates. This means the portfolio's 
duration was especially short. Duration is a mathematical formula that 
indicates how much bond prices will move up or down with each 
percentage-point shift in interest rates. Like maturity, with which it is 
often confused, duration is measured in years. The shorter the duration, the 
less volatility you can expect from the portfolio. 

While this defensive strategy had helped protect net asset value initially, 
it also left the portfolio less responsive to the unfolding rally. We have 
since taken aggressive steps to reposition holdings to reflect the current 
market environment and outlook. 

Our first step was to lengthen duration by buying bonds with relatively long 
maturities and lower coupons (that is, discount bonds) and long-term 
zero-coupon bonds. We believe these bonds offer the potential for the 
greatest gains when interest rates decline. A longer portfolio duration 
reflects a more positive outlook on the economy and on interest rates. 


[Tabular representation of bar chart] 

PORTFOLIO QUALITY OVERVIEW* 

<TABLE>
<CAPTION>
<S>          <C>
Percentage   Rating 
45.7%        AAA/Aaa 
16.8%        AA 
18.6%        A 
 1.6%        BBB 
 8.9%        Baa 
 8.4%        Below BB and unrated 
</TABLE>


*Based on net assets at 5/31/95. Based on Standard & Poor's and Moody's 
ratings terminology. Investment-grade securities are those rated BBB or above 
by Standard & Poor's or Baa or above by Moody's Investor Service, Inc. (May 
vary over time) 



                                      5 
<PAGE>

As part of our overall call protection strategy, we have stepped up purchases 
of discount, noncallable, and zero-coupon bonds. We believe your fund is now 
well protected against early bond calls. In fact, the upcoming call 
redemption period in June and July, while potentially damaging to individual 
bondholders, may ultimately be beneficial to your fund. This is likely to 
happen if Minnesota investors whose bonds were redeemed race into the 
municipal market to reinvest their assets, thus driving up demand for the 
remaining bonds. 

> QUALITY IS ALWAYS A HIGH PRIORITY 
Keeping in mind that your fund's objective is to seek current income 
consistent with capital preservation, we carefully guard the quality of your 
fund's holdings. Currently, approximately 82% of the portfolio is invested in 
bonds rated A or higher, and 60% in bonds rated AA or higher. Although we 
don't shy away from investing a portion of the portfolio in lower-rated bonds 
to help provide an attractive yield when our research supports it, the price 
differences between top- and lower-quality bonds are currently too small to 
justify taking on additional credit risk. 

Minnesota has consistently maintained conservative debt and financial 
policies, resulting in a relatively low supply of new bond issues. Should the 
demand for tax-exempt investments increase from 1994 levels, the diminished 
supply is likely to have a beneficial effect on the value of your bonds. 
Furthermore, as we suspected, the legislative initiative to curtail the 
tax-exempt status of Minnesota municipal bonds has fallen by the wayside, 
resulting in another potential demand booster. 

Your fund's holdings mirror our confidence in Minnesota's economy and its 
stable property and commercial base. The portfolio is broadly diversified, 
with more substantial portions invested in state and local general-obligation 
bonds, major Minnesota utilities, and water and sewer bonds. Health-care 
bonds make up some 26% of the portfolio. 

> A BRIGHT OUTLOOK FOR THE FUTURE 
While current fundamentals are positive for all bonds, the specter of a flat 
tax has unsettled the municipal bond market during this rally. In our 
opinion, the market has reacted to the perceived effects of flat-tax rhetoric 
and not to any hard facts. According to 

                                      6 
<PAGE>
 
TOP 10 HOLDINGS (5/31/95) 

 Rochester Health Care Facility 
 Revenue bonds 

 Minneapolis & St. Paul, Hsg. & Redev. Auth Health Care System 
 Revenue bonds 

 Saint Paul Housing & Redev. Auth. 
 Sales tax revenue bonds 

 Minnesota State Housing Finance Agency 
 Single-family mortgage revenue bonds 

 Saint Paul Housing & Redev. Auth. 
 Hospital revenue bonds 

 Southern Minnesota Municipal Power Agency 
 Supply system revenue bonds 

 North St. Paul Maplewood Independent School Dist. No. 622 
 Revenue bonds 

 Minnesota Public Facilities Authority 
 Water pollution control revenue bonds 

 Northern Minnesota Municipal Power Agency 
 Electrical system revenue bonds 

 Saint Cloud Hospital Facilities 
 Revenue bonds 

These holdings represent 54.2% of the fund's net assets. Portfolio holdings 
will vary in future. 

The Wall Street Journal (May 5, 1995), "[Analysts] say that any such [tax 
law] changes are far off in the future--1997 at the earliest--and that 
overhauling the current tax system is a far more difficult task than many 
investors now believe. As a result, they argue, there's a buying opportunity 
in municipals." 

We believe that the municipal bond market can turn the corner successfully in 
the months ahead. Predictions of diminishing supply are coming true. New 
issues in 1995 are projected to be less than half of issuance in 1993.* 
Moreover, municipals currently offer excellent value relative to Treasury 
bonds. Finally, it now appears the Fed has engineered a "soft landing," which 
promises slow but steady growth with low inflation. Since we don't see a 
recession waiting in the wings, we believe there is plenty of steam left in 
the municipal bond market for fiscal 1996 and beyond. 

*Source: Business Week, June 19, 1995. 

The views expressed here are exclusively those of Putnam Management. They are 
not meant as investment advice. Although the described holdings were viewed 
favorably as of 5/31/95, there is no guarantee the fund will continue to hold 
these securities in the future. 

                                      7 
<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 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 grown each
year over varying periods.

Performance should always be considered in light of a fund's investment
strategy. Putnam Minnesota Tax Exempt Income Fund II is designed for investors
seeking a high level of current income free from federal income tax consistent
with preservation of capital.

TOTAL RETURN FOR PERIODS ENDED 5/31/95 

<TABLE>
<CAPTION>
                                                                  Lehman Bros. 
                          Class A              Class B             Municipal 
                      NAV        POP        NAV       CDSC         Bond Index          CPI 
<S>                  <C>        <C>        <C>       <C>             <C>              <C>
1 year                7.90%      2.75%      7.17%     2.17%           9.11%            3.19% 
- -------------------------------------------------------------------------------------------
5 years              44.64      37.77        --        --            51.33            17.80 
Annual average        7.66       6.62        --        --             8.64             3.33 
- -------------------------------------------------------------------------------------------
Life of class A      49.26      42.23        --        --            58.18            21.18 
Annual Average        7.40       6.48        --        --             8.52             3.48 
- -------------------------------------------------------------------------------------------
Life of class B        --         --        6.83%     2.94%           9.97             5.40 
Annual average         --         --        3.58%     1.55%           5.18             2.84 
- -------------------------------------------------------------------------------------------
</TABLE>

TOTAL RETURN FOR PERIODS ENDED 6/30/95 
(most recent calendar quarter) 

<TABLE>
<CAPTION>
                              Class A                       Class B 
                        NAV            POP            NAV            CDSC 
<S>                    <C>            <C>            <C>             <C>
1 year                  6.68%          1.67%          5.98%          0.98% 
- -------------------------------------------------------------------------
5 years                41.49          34.79            --              -- 
Annual average          7.19           6.15            --              -- 
- -------------------------------------------------------------------------
Life of class A        47.09          40.16            --              -- 
Annual average          7.02           6.11            --              -- 
- -------------------------------------------------------------------------
Life of class B          --             --            5.37%          1.54% 
Annual average           --             --            2.70           0.78 
- -------------------------------------------------------------------------
</TABLE>

Fund performance data do not take into account any adjustment for taxes 
payable on reinvested distributions or for Class A shares, distribution fees 
prior to implementation at the Class A distribution plan in 1990. The fund 
began operations on 10/23/89 offering shares now known as class A. Class B 
shares became effective 7/15/93 and class M shares on 4/3/95. Performance for 
class M shares not shown due to brevity of reporting period. Performance data 
represent past results, will differ for each share class and are no assurance 
of future 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. 


                                      8 
<PAGE>


Terms and definitions 

[Tabular representation of line graph]

GROWTH OF $10,000

Date           Black    Grey    White
10/23/89        9525    10000   10000
5/31/90         9834    10453   10287
5/31/91        10701    11506   10796
5/31/92        11650    12636   11123
5/31/93        12852    14148   11481
5/31/94        13182    14497   11744
5/31/95        14223    15818   12118

Cumulative total return of a $10,000
investment through 5/31/95

Lehman Bros. Municipal
Bond Index ($15,818)

Fund at POP ($14,223)

CPI ($12,118)
[End of tabular representation]
 
Past performance is no assurance of future results. A $10,000 investment in 
the fund's class B shares at inception would have been valued at $10,683 on 
5/31/95 ($10,294 with a redemption at the end of the period). 

Class A shares are generally subject to an initial sales charge. 

Class B shares may be subject to a sales charge upon redemption. 

Class M shares have a lower initial sales charge and a higher 12b-1 fee than 
class A shares and no sales charge on redemption. 

Net asset value (NAV) is the value of all your fund's assets, minus any 
liabilities, divided by the number of outstanding shares, not including any 
initial or contingent deferred sales charge. 

Public offering price (POP) is the price of a mutual fund share plus the 
maximum sales charge levied at the time of purchase. POP performance figures 
shown here assume the maximum 4.75% sales charge for class A shares. 

Contingent deferred sales charge (CDSC) is a charge applied at the time of 
the redemption of class B shares and assumes redemption at the end of the 
period. Your fund's CDSC declines from a 5% maximum during the first year to 
1% during the sixth year. After the sixth year, the CDSC no longer applies. 

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. The index does not take into account brokerage commissions or 
other costs, may include bonds different from those in the fund, and may pose 
different risks than the fund. 

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



                                      9 
<PAGE>

A Putnam perspective on risk and reward 

You've probably been told how important it is to understand the relationship 
between an investment's potential rewards and its accompanying risks. Given 
the cautionary nature of such instructions, it may take most investors a 
while to realize that risk has a positive side. 

Every risk signals a potential reward. Selecting only those investments that 
offer the greatest degree of security generally leads to only modest rewards. 
Furthermore, even insured or guaranteed investments may be subject to changes 
in their rates of return or, in some cases, in their principal values. 
Experienced investors know that no investment is truly risk free and are 
therefore willing to take on some measure of risk in order to increase their 
potential gains. 

The greater the risk, the greater the potential reward. 
Accepting an appropriate level of investment risk can give you a better 
chance of outpacing inflation over time and seeking to maximize your 
investment's return. How much risk? Your 

> A RUNDOWN OF RISK TYPES 

MARKET RISK Most important for stock funds, but relevant to all funds, this 
is a measure of how sensitive a fund's holdings are to changes in general 
market conditions. Remember, though, that securities that lose value quickly 
in market declines may also show the strongest gains in more favorable 
environments. 

INTEREST-RATE RISK Since bond prices fall as interest rates rise, this type 
of risk is a particular concern for fixed-income investors. However, 
interest-rate increases can also have a substantial negative effect on the 
stock market. 

INFLATION RISK If your investments cannot keep pace with inflation, your 
money will begin to lose its purchasing power. Stock investments are 
generally considered among the best ways of addressing inflation risk over 
the long term. 

                                      10 
<PAGE>
 
financial advisor's feedback and your time horizon can make all the 
difference in determining how much risk is compatible with your investment 
goals and your peace of mind. 

> FITTING YOUR FUND SELECTION TO YOUR 
  RISK TOLERANCE 

How do you find the right balance between investment risks and their 
potential rewards? It's helpful to understand the types of risks that can 
apply to different types of investments, and to look at your own portfolio 
with this perspective. 

For short-term goals, your first priority may be managing market risk. 
Longer-term investors may be more concerned with inflation risk. And all 
income-oriented investors should consider interest-rate, credit, and 
prepayment risks carefully. Within each of Putnam's four investment 
categories, you can select funds with differing levels of risk and reward 
potential to customize your portfolio. 

CREDIT AND PREPAYMENT RISK Credit risk is the concern that the security's 
issuer will not be able to meet its payment, while prepayment risk involves 
the premature payoff of a loan, with a resulting loss of interest income. 
Professional management and in-depth research are invaluable in managing both 
these risks. 

LIQUIDITY RISK Not all investments can be readily converted into cash at 
their perceived market values. Liquidity risk can affect the price of 
securities held in the fund's portfolio and, thus, the fund's share prices. 

This list covers only the most general types of risks; however, each 
investment will also have its own specific risks. You will find a more 
detailed discussion of these risk considerations in each fund's prospectus. 


                                      11 
<PAGE>
 
Relative risk/reward potential of Putnam funds 

These illustrations provide a simplified guide to the risk/reward potential 
for funds within each category of the Putnam Family of Funds and are not 
intended as investment advice. Your investment advisor can help you evaluate 
your risk tolerance. 

These rankings are relative only to Putnam funds and should not be compared 
to other investments. There is no guarantee that one Putnam fund will be less 
volatile than another, since each fund has its own investment risks. That's 
why it is essential to read the fund's prospectus before investing. 

PUTNAM GROWTH FUNDS 

[WAVE GRAPH LISTING OF FUNDS FROM LOW RISK TO HIGH RISK] 

PUTNAM GROWTH AND 
INCOME FUNDS 

[WAVE GRAPH LISTING OF FUNDS FROM LOW RISK TO HIGH RISK] 

(1)Foreign investments are subject to certain risks, such as currency 
   fluctuations and political developments, that are not present with 
   domestic investments. 
(2)This fund invests all or a portion of its assets in small to medium-sized 
   companies, which increases the risk of price fluctuations. 
(3)While U.S. government backing of individual securities does not insure 
   your principal, which will fluctuate, it does guarantee that the fund's 
   government-backed holdings will make timely payments of interest and 
   principal. 

                                      12 
<PAGE>
 
PUTNAM INCOME FUNDS 

PUTNAM TAX-FREE FUNDS(6) 

[WAVE GRAPH LISTING OF FUNDS FROM LOW RISK TO HIGH RISK] 

*State tax-free funds available for Arizona, California, Florida, 
 Massachusetts, Michigan, Minnesota, New Jersey, New York, Ohio, and 
 Pennsylvania. Not available in all states. 

LIFESTAGE(SM) FUNDS 

Putnam Asset Allocation Funds -- three investment portfolios that spread 
your money across a variety of stocks, bonds, and money market investments. 
The three portfolios are: 

> Putnam Asset Allocation: Balanced Portfolio 

> Putnam Asset Allocation: Conservative Portfolio 

> Putnam Asset Allocation: Growth Portfolio 

Please call your financial advisor -- or Putnam at 1-800-225-1581 -- to 
obtain a prospectus for any Putnam fund. The prospectus contains more 
complete information, including risk considerations, charges, and expenses. 
Read it carefully before you invest or send money. 

(4)The fund is managed to maintain a steady price of $1.00 per share, 
   although there is no assurance this price can be maintained in the future. 
(5)The lower credit ratings of high-yield corporate and municipal bonds 
   reflect a greater possibility that adverse changes in the economy or their 
   issuers may affect their ability to pay principal and interest on the 
   bonds. 
(6)Income may be subject to state and local taxes. Capital gains, if any, are 
   taxable for federal and, in most cases, state purposes. 
(7)Bond insurance does not guarantee principal or protect against changes in 
   market price. 


                                      13 
<PAGE>
 
Report of Independent Accountants 
For the Fiscal Year Ended May 31, 1995 

To the Trustees and Shareholders of 
Putnam Minnesota Tax Exempt Income Fund II 

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 Minnesota Tax Exempt Income Fund II (the "fund") at May 
31, 1995, 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 
May 31, 1995 by correspondence with the custodian and brokers, provide a 
reasonable basis for the opinion expressed above. 

Price Waterhouse LLP 
Boston, Massachusetts 
July 12, 1995 


                                      14 
<PAGE>
 
Portfolio of investments owned 
May 31, 1995 

<TABLE>
<CAPTION>
MUNICIPAL BONDS AND NOTES (100.0%)* 
PRINCIPAL AMOUNT                                                  RATINGS**            VALUE 

<S>            <C>                                                   <C>         <C>
Minnesota (97.5%) 
 ------------------------------------------------------------------------------------------- 
$3,500,000     Bass Brook, Poll. Control, Rev. Bonds (Pwr. & 
                Lt. Co. Project), 6s, 7/1/22                            A        $3,491,250 
 1,000,000     Bloomington, Independent School Dist. No. 271 
                Rev. Bonds, 5-1/4s, 2/1/14                             AA           951,250 
   700,000     Breckenridge, Hosp. Facs. Rev. Bonds 
                (Franciscan Sisters Hlth., Care), Prerefunded, 
                9-3/8s, 9/1/17                                      AAA/P           786,625 
   500,000     Centennial Independent School Dist. No. 012 
                Rev. Bonds, Ser. A, FGIC, 7.15s, 2/1/12               AAA           552,500 
 1,000,000     Duluth, Gross Rev. Bonds (Duluth 
                Entertainment), 7.6s, 12/1/11                         Baa         1,098,750 
   950,000     Duluth, Hosp. Rev. Bonds (St. Luke's Hosp. 
                Project), Prerefunded, 9s, 5/1/18                     AAA         1,085,375 
   500,000     Fergus Falls, Cmnty. Dev. Rev. Bonds 
                (Lincoln--St. Andrews Assn. Project), 8-3/4s, 
                11/1/06                                             BBB/P           514,375 
 1,800,000     Hutchinson Indl. Dev. Rev. VRDN (Hutchinson 
                Technical Inc. Project), 4.05s, 6/1/04                A-1         1,800,000 
 1,565,000     Intl. Falls, Env. Fac. Rev. Bonds (Boise 
                Cascade Corp. Project), 7.2s, 10/1/24                 Baa         1,658,900 
 2,210,000     Jackson Cnty., Hsg. & Redev. Auth. Indl. Dev. 
                Rev. Bonds (Chemical Equip. Project), 8-3/4s, 
                12/1/09                                             BBB/P         2,384,038 
               MN Agricultural & Econ. Dev. Board Rev. Bonds 
                (Small Bus. Dev. Loan Program) 
   575,000      Ser. E-Lot 1, 8-1/2s, 8/1/10                         BB/P           605,906 
   390,000      Ser. A-Lot 1, 8-1/4s, 8/1/09                         BB/P           408,038 
   400,000      Ser. A-Lot 2, 8.2s, 8/1/09                           BB/P           421,500 
               MN Pub. Fac. Auth. Wtr. Poll. Control Rev. 
                Bonds 
 1,500,000      Ser. A, 6.95s, 3/1/13                                 AAA         1,640,625 
 3,000,000      Ser. A, 6-1/2s, 3/1/14                                AAA         3,202,500 
 3,000,000     MN State Duluth Arpt. Tax Increment Rev Bonds, 
                Ser. A, 6-1/4s, 8/1/14                                 AA         3,082,500 
 1,000,000     MN State Higher Ed. Fac. Auth. Mtge. Rev. Bonds 
                (St. Thomas U.), Prerefunded, Ser. 3-C, 
                7-1/8s, 9/1/14                                        Aaa         1,123,750 
 1,500,000     MN State Hsg. Fin. Agcy. Dev. Rev. Bonds Ser. 
                A, 6.95s, 2/1/14                                        A         1,573,125 
               MN State Hsg. Fin. Agcy. Single Fam. Mtge. Rev. 
                Bonds 
   190,000      Ser. C, 8-1/2s, 7/1/19                                 AA           199,738 
   350,000      Ser. A, 7.45s, 7/1/22                                  AA           375,813 
 2,000,000      Ser. E 6.8s, 7/1/25                                    AA         2,095,000 


                                      15 
<PAGE>
 
MUNICIPAL BONDS AND NOTES* 
PRINCIPAL AMOUNT                                              RATINGS**           VALUE 

Minnesota (continued) 
 -------------------------------------------------------------------------------------- 
$1,820,000      Ser. B-1, 6-3/4s, 1/1/26                            AA      $1,863,225 
 1,000,000      Ser. Q, 6.7s, 1/1/17                                AA       1,041,250 
 1,500,000      Ser. B, 5.65s, 7/1/22                               AA       1,391,250 
               Mahtomedi Indpt. Sch. Dist. No. 832 Rev. 
                Bonds 
 1,275,000      Ser. B, MBIA, zero%, 2/1/17                        AAA         364,969 
 1,575,000      Ser. B, MBIA, zero%, 2/1/16                        AAA         478,406 
               Minneapolis & St. Paul Hsg. & Redev. Auth. 
                Hlth. Care Syst. Rev. Bonds 
 2,000,000      (Hlth. One Obligated Group), Ser. A,  MBIA, 
                6-3/4s, 8/15/14                                    AAA       2,142,500 
 2,350,000      (Healthspan), Ser. A, AMBAC, 5s, 11/15/13          AAA       2,170,813 
 4,000,000      (Group Hlth. Plan Inc. Project), 6.9s, 
                10/15/22                                             A       4,265,000 
 1,000,000     Minneapolis, Cmnty. Dev. Agcy. Hlth. Care 
                Facs. Rev. Bonds (Walker Methodist Hlth. 
                Project), 9-1/2s, 4/1/10                             A       1,033,750 
               Minneapolis, Cmnty. Dev. Agcy. Supported 
                Dev. Rev. Bonds 
   600,000      Ser. 87-1, 8-5/8s, 12/1/12                         BBB         639,750 
 1,105,000      (Grace-Lee Products Inc.) Ser. 91-3, 
                8-1/4s, 12/1/11                                    BBB       1,214,119 
   400,000     Minneapolis, Cmnty. Econ. Dev. Agcy. Rev. 
                Bonds (Shaw Acquisition Fireman Insurance), 
                9-1/4s, 6/1/05                                       A         412,000 
 1,150,000     Minneapolis, Coml. Dev. Rev. Bonds (Mt. 
                Sinai Hosp. Assn. Project), Prerefunded, 
                9-1/2s, 11/1/06                                    AAA       1,254,938 
   750,000     Minneapolis, Hlth. Care Fac. Rev. Bonds 
                (Baptist Residence Project), 8.7s, 11/1/09        BB/P         825,938 
   810,000     Minneapolis, Hosp. Rev. Bonds (Lifespan 
                Inc.), Ser. B, 9-1/8s, 12/1/14                       A         916,313 
   350,000     Minneapolis-St. Paul, Hsg. Fin. Board 
                Multi-Fam. Rev. Bonds (Riverside Plaza), 
                GNMA Coll., 8.2s, 12/20/18                         AAA         368,813 
   740,000     Minneapolis St. Paul, Hsg. Fin. Board Single 
                Fam. Mtge. Rev. Bonds (Phase VI), Ser. A, 
                GNMA Coll., 8.3s, 8/1/21                           AAA         753,875 
               Morris, Hosp. Facs. Rev. Bonds (Stevens 
                Cmnty. Mem. Hosp.), 
   250,000      Ser. A, 8-1/4s, 5/1/10                           AAA/P         290,000 
   500,000      Ser. B, 8-1/4s, 5/1/10                           AAA/P         580,000 
   915,000     New Ulm, Hosp. Facs. Rev. Bonds (Hlth. Ctr. 
                Syst. Project) Prerefunded, Ser. C, 10s, 
                10/1/14                                            AAA         959,606 
   250,000     New York Mills, Independent School Dist. No. 
                553 Rev. Bonds Ser. A, 6.8s, 2/1/15                Baa         272,188 
               North St. Paul Maplewood Independent School 
                Dist. No. 622 Rev. Bonds 
 2,000,000      Ser. A, MBIA, 7.1s, 2/1/19                         AAA       2,205,000 
 3,000,000      Ser. A, MBIA, 6-7/8s, 2/1/15                       AAA       3,288,750 
 3,915,000     Northern MN Muni. Pwr. Agcy. Elec. Syst. 
                Rev. Bonds, Ser. A, 7-1/4s, 1/1/16                   A       4,242,875 
 1,950,000     Northfield, College Fac. Rev. Bonds (St. 
                Olaf College Project), 6.4s, 10/1/21                 A       2,037,750 
 1,800,000     Owatonna, Hosp. Rev. Bonds (Hlth. Ctr. Syst. 
                Project) Prerefunded, Ser. C, 10s, 10/1/14         AAA       1,887,750 

                                      16 
<PAGE>
 
MUNICIPAL BONDS AND NOTES* 
PRINCIPAL AMOUNT                                              RATINGS**           VALUE 

Minnesota (continued) 
 -------------------------------------------------------------------------------------- 
$ 2,500,000    Owatonna, Pub. Util. Comm. Pub. Util. Rev. 
                Bonds Ser. A, AMBAC, 5.45s, 1/1/16                AAA      $  2,428,125 
  1,000,000    Plymouth, Multi-Fam. Hsg. Dev. Rev. Bonds 
                (Harbor Lane Apt. Project), 5.95s, 9/1/18          AA           968,750 
  1,170,000    Ramsey & Washington Cntys., Res. Recvy. Rev. 
                Bonds (Northern States Pwr. Co. Project), 
                Ser. A, 6-3/4s, 12/1/06                            AA         1,253,363 
               Robbinsdale, Hosp. Rev. Bonds (North 
                Memorial Med. Ctr.), Ser. B, AMBAC 
  2,000,000     5-1/2s, 5/15/23                                   AAA         1,920,000 
  1,390,000     5.45s, 5/15/13                                    AAA         1,365,675 
                Rochester, Hlth. Care Fac. IFB 
                (Mayo Foundation), 
  3,000,000     Ser. E, 7.724s, 11/15/12                           AA         3,202,500 
  3,300,000     Ser. E, 7.22s, 11/15/15                            AA         3,427,875 
               Rochester Hlth Care Fac. Rev Bonds 
  3,000,000     (Olmsted Med. Group), 7-1/2s, 7/1/19             BB/P         3,067,500 
  2,500,000    SCA Realty, Multi Fam. Mtg. Rev. Bonds 
                (Burnsville), Ser. A-9, FSA, 7.1s, 1/1/30         AAA         2,615,625 
               St. Cloud Hosp. Facs. Rev. Bonds (St. Cloud 
                Hosp.), Ser. C, AMBAC 
  2,400,000     6-3/4s, 7/1/11                                    AAA         2,589,000 
  1,500,000     5-1/4s, 10/1/13                                   AAA         1,432,500 
               St. Paul Hsg. & Redev. Auth. Sales Tax Rev. 
                Bonds 
  5,500,000     (Civic Center Project), MBIA, 5.55s, 
                 11/1/23                                          AAA         5,369,375 
  2,000,000     (Civic Ctr. Project), 5.45s, 11/1/13                A         1,937,500 
               St. Paul, Hsg. & Redev. Auth. Hosp. Rev. 
                Bonds 
  2,000,000     (Healtheast Project), Ser. B, 9-3/4s, 
                11/1/17                                           Baa         2,185,000 
  2,745,000     (Healtheast Project), Ser A, 6-5/8s, 
                 11/1/17                                          Baa         2,672,944 
  2,000,000     (St. Paul Ramsey Med. Ctr. Project), 
                 AMBAC, 5.55s, 5/15/23                            AAA         1,952,500 
  2,500,000    Sartell, Poll. Control Rev. Bonds (Champion 
                Intl. Project), 6.95s, 10/1/12                    Baa         2,650,000 
               Southern MN Muni. Pwr. Agcy. Supply Syst. 
                Rev. Bonds 
    300,000     Prerefunded, Ser. A, 8-1/8s, 1/1/18               AAA           332,625 
  1,000,000     Prerefunded, Ser. A, 5-3/4s, 1/1/18               AAA         1,043,750 
  2,000,000     Refunded, Ser. B, 5-3/4s, 1/1/11                  AAA         2,135,000 
 11,500,000     Ser. A, MBIA, zero%, 1/1/21                       AAA         2,573,125 
               Western MN Muni. Pwr. Agcy. Supply Rev. 
                Bonds 
    675,000     Ser. A, 9-1/4s, 1/1/04                              A           707,063 
  1,300,000     Ser. A, 7s, 1/1/13                                  A         1,361,750 
                                                                           ------------ 
                                                                            115,143,931 
Puerto Rico (2.5%) 
 -------------------------------------------------------------------------------------- 
  3,075,000    PR Cmnwlth. G.O. Rev. Bonds Ser. A, MBIA, 
                5-3/8s, 7/1/22                                    AAA         2,936,625 
 -------------------------------------------------------------------------------------- 
               Total Investments (cost $112,649,991)***                    $118,080,556 
 -------------------------------------------------------------------------------------- 
</TABLE>

                                      17 
<PAGE>
 
 Key to Abbreviation of Municipal Instruments 
IFB              --Inverse Floating Bonds 
G.O. Bonds       --General Obligation Bonds 
VRDN             --Variable Rate Demand Notes 
Key to Abbreviation of Insurers 
AMBAC            --American Municipal Bond Assurance Corporation 
FGIC             --Federal Guaranty Insurance Corporation 
FSA              --Financial Security Assurance 
FHA              --Federal Housing Administration Insured 
GNMA Coll.       --Government National Mortgage Association 
                   Collateralized 
MBIA             --Municipal Bond Investors Assurance Corporation 


  * Percentages indicated are based on net assets of $118,117,374, which 
    corresponds to a net asset value per Class A, Class B and Class M shares 
    of $8.95, $8.92, and $8.95 respectively. 
 ** The Moody's or Standard & Poor's ratings indicated are believed to be the 
    most recent ratings available at May 31, 1995 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 May 31, 1995. Securities rated by Putnam are indicated by 
    "/P" and are not publicly rated. The ratings are not covered by the 
    Report of Independent Accountants. 
*** The aggregate identified cost for Federal income tax purposes is 
    $112,691,829, resulting in gross unrealized appreciation and depreciation 
    of $5,970,132 and $581,405, respectively, or net unrealized appreciation 
    of $5,388,727. 

The rates shown on VRDNS and IFBs, which are securities paying variable 
interest rates that vary inversely to changes in the market interest rates, 
are the current interest rates at May 31, 1995, which are subject to change 
based on the terms of the security. 

The Fund had the following industry group concentrations greater than 10% on 
May 31, 1995 (based on net assets): 

Hospitals/Health Care          25.9% 
Utilities                      15.2 
Housing                        11.2 

The Fund had the following insurance group concentrations greater than 10% at 
May 31, 1995 (based on net assets): 

MBIA                           16.4% 
AMBAC                          11.7 

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

                                      18 
<PAGE>
 
Statement of assets and liabilities 
May 31, 1995 
<TABLE>

<S>                                                                              <C>
 Assets 
- ---------------------------------------------------------------------------------------------
Investments in securities, at value (identified cost $112,649,991) (Note 1)      $118,080,556 
- ---------------------------------------------------------------------------------------------
Cash                                                                                  245,406 
- ---------------------------------------------------------------------------------------------
Interest receivable                                                                 2,089,625 
- ---------------------------------------------------------------------------------------------
Receivable for shares of the fund sold                                                261,710 
- ---------------------------------------------------------------------------------------------
Receivable for securities sold                                                        988,010 
- ---------------------------------------------------------------------------------------------
Total assets                                                                      121,665,307 
- ---------------------------------------------------------------------------------------------
Liabilities 
- ---------------------------------------------------------------------------------------------
Payable for securities purchased                                                    2,963,468 
- ---------------------------------------------------------------------------------------------
Payable for shares of the fund repurchased                                             65,768 
- ---------------------------------------------------------------------------------------------
Distributions payable to shareholders                                                 240,873 
- ---------------------------------------------------------------------------------------------
Payable for compensation of Manager (Note 2)                                          171,918 
- ---------------------------------------------------------------------------------------------
Payable for compensation of Trustees (Note 2)                                             144 
- ---------------------------------------------------------------------------------------------
Payable for investor servicing and custodian fees (Note 2)                              3,737 
- ---------------------------------------------------------------------------------------------
Payable for administrative services (Note 2)                                            1,477 
- ---------------------------------------------------------------------------------------------
Payable for distribution fees (Note 2)                                                 45,795 
- ---------------------------------------------------------------------------------------------
Other accrued expenses                                                                 54,753 
- ---------------------------------------------------------------------------------------------
Total liabilities                                                                   3,547,933 
- ---------------------------------------------------------------------------------------------
Net assets                                                                       $118,117,374 
- ---------------------------------------------------------------------------------------------
Represented by 
- ---------------------------------------------------------------------------------------------
Paid-in capital (Notes 1 and 4)                                                  $115,954,754 
- ---------------------------------------------------------------------------------------------
Distributions in excess of net investment income (Note 1)                             (17,447) 
- ---------------------------------------------------------------------------------------------
Accumulated net realized loss on investments (Note 1)                              (3,250,498) 
- ---------------------------------------------------------------------------------------------
Net unrealized appreciation of investments and options                              5,430,565 
- ---------------------------------------------------------------------------------------------
Total-Representing net assets applicable to capital shares outstanding           $118,117,374 
- ---------------------------------------------------------------------------------------------
Computation of net asset value and offering price 
- ---------------------------------------------------------------------------------------------
Net asset value and redemption price of class A shares 
($98,417,919 divided by 10,999,904 shares)                                              $8.95 
- ---------------------------------------------------------------------------------------------
Offering price per share (100/95.25 of $8.95)*                                          $9.40 
- ---------------------------------------------------------------------------------------------
Net asset value and offering price of class B shares 
($19,698,426 divided by 2,208,418 shares)+                                              $8.92 
- ---------------------------------------------------------------------------------------------
Net asset value and redemption price of class M shares 
($1,029 divided by 115 shares)                                                          $8.95 
- ---------------------------------------------------------------------------------------------
Offering price per share (100/96.75 of $8.95)**                                         $9.25 
- ---------------------------------------------------------------------------------------------
</TABLE>

 *On single retail sales of less than $25,000. On sales of $25,000 or more 
  and on group sales the offering price is reduced. 
**On single retail sales of less than $50,000. On sales of $50,000 or more 
  and on group sales the offering price is reduced. 
 +Redemption price per share is equal to net asset value less any applicable 
  contingent deferred sales charge. 

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

                                      19 
<PAGE>
 
Statement of operations 
Year ended May 31, 1995 

<TABLE>
<S>                                                            <C>
Tax exempt interest income                                     $ 7,328,445 
- --------------------------------------------------------------------------
Expenses: 
- --------------------------------------------------------------------------
Compensation of Manager (Note 2)                                   643,810 
- --------------------------------------------------------------------------
Investor servicing and custodian fees (Note 2)                      77,963 
- --------------------------------------------------------------------------
Compensation of Trustees (Note 2)                                    9,501 
- --------------------------------------------------------------------------
Auditing                                                            20,057 
- --------------------------------------------------------------------------
Legal                                                               15,790 
- --------------------------------------------------------------------------
Postage                                                             10,095 
- --------------------------------------------------------------------------
Reports to shareholders                                             47,685 
- --------------------------------------------------------------------------
Administrative services (Note 2)                                     8,231 
- --------------------------------------------------------------------------
Distribution fees--class A (Note 2)                                187,341 
- --------------------------------------------------------------------------
Distribution fees--class B (Note 2)                                116,155 
- --------------------------------------------------------------------------
Registration fees                                                    3,671 
- --------------------------------------------------------------------------
Amortization of organization expenses (Note 1)                       3,360 
- --------------------------------------------------------------------------
Other expenses                                                       3,189 
- --------------------------------------------------------------------------
Total expenses                                                   1,146,848 
- --------------------------------------------------------------------------
Net investment income                                            6,181,597 
- --------------------------------------------------------------------------
Net realized loss on investments (Notes 1 and 3)                (2,164,286) 
- --------------------------------------------------------------------------
Net realized loss on written options (Notes 1 and 3)               (43,485) 
- --------------------------------------------------------------------------
Net realized loss on future contracts (Notes 1 and 3)             (547,579) 
- --------------------------------------------------------------------------
Net unrealized appreciation of investments and futures 
contracts during the year                                        4,773,882 
- --------------------------------------------------------------------------
Net gain on investments                                          2,018,532 
- --------------------------------------------------------------------------
Net increase in net assets resulting from operations           $ 8,200,129 
- --------------------------------------------------------------------------
</TABLE>

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

                                      20 
<PAGE>
 
Statement of changes in net assets 

<TABLE>
<CAPTION>
                                                          Year ended May 31 
                                                    ---------------------------- 
                                                        1995            1994 
<S>                                                 <C>             <C>
- --------------------------------------------------------------------------------
Increase in net assets 
- --------------------------------------------------------------------------------
Operations: 
- --------------------------------------------------------------------------------
Net investment income                               $  6,181,597    $  5,472,524 
- --------------------------------------------------------------------------------
Net realized gain/(loss) on investments, options 
and futures contracts (Notes 1 and 3)                 (2,755,350)        177,351 
- --------------------------------------------------------------------------------
Net unrealized appreciation (depreciation) of 
investments and futures contracts                      4,773,882      (3,593,920) 
- --------------------------------------------------------------------------------
Net increase in net assets resulting from 
operations                                             8,200,129       2,055,955 
- --------------------------------------------------------------------------------

Distributions to shareholders: 
- --------------------------------------------------------------------------------
From net investment income: 
- --------------------------------------------------------------------------------
Class A                                               (5,435,247)     (5,279,232) 
- --------------------------------------------------------------------------------
Class B                                                 (711,465)       (161,707) 
- --------------------------------------------------------------------------------
Increase from capital share transactions (Note 4)     11,603,580      21,234,596 
- --------------------------------------------------------------------------------
Total increase in net assets                          13,656,997      17,849,612 
- --------------------------------------------------------------------------------

Net Assets: 
- --------------------------------------------------------------------------------
Beginning of year                                    104,460,377      86,610,765 
- --------------------------------------------------------------------------------
End of year (including distributions in excess 
of net investment income of $17,447 and $64,452, 
respectively)                                       $118,117,374    $104,460,377 
- --------------------------------------------------------------------------------
</TABLE>


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

                                      21 
<PAGE>
 

Financial Highlights 
(For a share outstanding throughout the period) 
<TABLE>
<CAPTION>
                                     For the                  For the 
                                      period                   period 
                                     April 3,                 July 15, 
                                       1995                     1993 
                                  (commencement            (commencement 
                                        of                       of 
                                   operations)     Year     operations) 
                                        to         ended         to 
                                      May 31      May 31       May 31      Year ended May 31 
                                    -------------------------------------------------------- 
                                       1995        1995         1994        1995       1994 
                                    --------------------------------------------------------
                                         Class M                 Class B                Class A 
                                    ---------------------    ---------------------    ----------
<S>                                   <C>        <C>            <C>         <C>       <C>
Net asset value, beginning of 
  period                              $ 8.77     $  8.77        $ 9.18      $  8.79   $  9.06 
- ---------------------------------------------------------------------------------------------
Investment operations 
- ---------------------------------------------------------------------------------------------
Net investment income                    .08         .45           .39          .51       .51 
- ---------------------------------------------------------------------------------------------
Net realized and unrealized 
  gain (loss) on investments             .17         .15          (.41)          15      (.27) 
- ---------------------------------------------------------------------------------------------
Total from investment 
  operations                             .25         .60          (.02)         .66       .24 
- ---------------------------------------------------------------------------------------------
Less Distributions from: 
- ---------------------------------------------------------------------------------------------
Net investment income                   (.07)       (.45)         (.39)        (.50)     (.51) 
- ---------------------------------------------------------------------------------------------
Total distributions                     (.07)       (.45)         (.39)        (.50)     (.51) 
- ---------------------------------------------------------------------------------------------
Net asset value, end of period        $ 8.95     $  8.92        $ 8.77      $  8.95   $  8.79 
- ---------------------------------------------------------------------------------------------
Total investment return at net 
  asset value (%) (b)                   2.89(c)     7.17          (.32)(c)     7.90      2.57 
- ---------------------------------------------------------------------------------------------
Net assets, end of period 
  (in thousands)                      $    1     $19,698        $8,873      $98,418   $95,587 
- ---------------------------------------------------------------------------------------------
Ratio of expenses to average 
  net assets (%)                         .21(c)      1.63         1.47(c)       .99      1.03 
- ---------------------------------------------------------------------------------------------
Ratio of net investment income 
  to average net assets (%)              .93(c)      5.15         4.23(c)      5.85      5.60 
- ---------------------------------------------------------------------------------------------
Portfolio turnover (%)                 58.18(c)     58.18        28.19(c)     58.18     28.19 
- ---------------------------------------------------------------------------------------------
</TABLE>

                                      22 
<PAGE>
 
<TABLE>
<CAPTION>
                                                   Year ended May 31 
                                               --------------------------- 
                                               1993       1992      1991 

                                                        Class A 
                                               --------------------------- 
<S>                                          <C>        <C>        <C>
Net asset value, beginning of period         $  8.74    $  8.56    $  8.43 
- ----------------------------------------------------------------------------
Investment operations 
- ----------------------------------------------------------------------------
Net investment income                            .55        .55(a)     .59(a) 
- ----------------------------------------------------------------------------
Net realized and unrealized gain 
  (loss) on investments                          .33        .18        .13 
- ----------------------------------------------------------------------------
Total from investment operations                 .88        .73        .72 
- ----------------------------------------------------------------------------
Less Distributions from: 
- ----------------------------------------------------------------------------
Net investment income                           (.56)      (.55)      (.59) 
- ----------------------------------------------------------------------------
Total distributions                             (.56)      (.55)      (.59) 
- ----------------------------------------------------------------------------
Net asset value, end of period               $  9.06    $  8.74    $  8.56 
- ----------------------------------------------------------------------------
Total investment return at 
  net asset value (%) (b)                      10.33       8.86       8.82 
- ----------------------------------------------------------------------------
Net assets, end of period (in thousands)     $86,611    $59,914    $16,615 
- ----------------------------------------------------------------------------
Ratio of expenses to average net assets 
  (%)                                           1.08        .91(a)     .66(a) 
- ----------------------------------------------------------------------------
Ratio of net investment income to 
  average net assets (%)                        6.12       6.34(a)    6.84(a) 
- ----------------------------------------------------------------------------
Portfolio turnover (%)                         37.69      38.79(d)   14.85 
- ----------------------------------------------------------------------------
</TABLE>


(a) Reflects an expense limitation incurred by the fund. As a result, net 
    investment income of the fund for the years ended May 31, 1992, and 1991 
    reflect expense reductions of approximately $0.02 and $0.07, respectively. 
(b) Total investment return assumes dividend reinvestment and does not 
    reflect the effect of sales charges. 
(c) Not annualized. 
(d) Portfolio turnover excludes the impact of assets received from the 
    acquisition of Putnam Minnesota Tax Exempt Income Fund. 



                                      23 
<PAGE>
 
Notes to financial statements 
May 31, 1995 


Note 1 
Significant accounting policies 

The fund is registered under the Investment Company Act of 1940, as amended, 
as a diversified, open-end management investment company. The fund seeks as 
high a level of current income exempt from federal income tax and Minnesota 
personal income tax as the fund's manager, Putnam Investment Management, Inc. 
("Putnam Management"), a wholly owned subsidiary of Putnam Investments, Inc., 
believes is consistent with preservation of capital by investing primarily in 
a portfolio of Minnesota tax-exempt securities. 

The fund offers class A, class B and class M shares. Class M shares became 
effective on April 3, 1995, however there were no shares sold to 
non-affiliates as of May 31, 1995. Class A shares are sold with a maximum 
front-end sales charge of 4.75%. Class B shares do not pay a front-end sales 
charge, but pay a higher ongoing distribution fee than class A shares, and 
may be subject to a contingent deferred sales charge if those shares are 
redeemed within six years of purchase. Class M shares are sold with a maximum 
front-end sales charges of 3.25%, and an ongoing distribution fee that is 
higher than class A shares and lower than class B shares. Expenses of the 
fund are borne pro-rata by the shareholders of each class of shares, except 
that each class bears expenses unique to that class including the 
distribution fees applicable to such class. Each class votes as a class only 
with respect to its own distribution plan or other matters on which a class 
vote is required by law or determined by the Trustees. Shares of each class 
would receive their pro-rata share of the net assets of the fund if the fund 
were liquidated. In addition, the Trustees declare separate dividends on each 
class of shares. 

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. 

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

C) Futures The fund may purchase and sell financial futures contracts to 
hedge against changes in the values of tax-exempt municipal securities the 
fund owns or expects to purchase. 

A futures contract is an agreement between two parties to buy or sell units 
of a particular index or a certain amount of a U.S. Government 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 securities equal to the minimum "initial margin" 
requirements of the futures 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 to the 

                                      24 
<PAGE>
 
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 futures 
contracts primarily corresponds with the value of underlying instruments 
which may not correspond to the change in value of the hedged instruments. In 
addition, there is a risk that the fund may not be able to close out its 
futures positions due to an illiquid secondary market. 

D) Options The fund may, to the extent consistent with its investment 
objective and policies, seek to increase its current returns by writing 
covered call and put options on securities it owns or in which it may invest. 
When a fund writes a call or put option, an amount equal to the premium 
received by the fund is included in the fund's "Statement of assets and 
liabilities" as an asset and an equivalent liability. The amount of the 
liability is subsequently "marked-to-market" to reflect the current market 
value of the option written. The current market value of an option is the 
last sale price or, in the absence of a sale, the last offering price. If an 
option expires on its stipulated expiration date, or if the fund enters into 
a closing purchase transaction, the fund realizes a gain (or loss if the 
closing purchase transaction exceeds the premium received when the option was 
written) without regard to the unrealized gain or loss on the underlying 
security, and the liability related to such option is extinguished. If a 
written call option is exercised, the fund realizes a gain or loss from the 
sale of the underlying security and the proceeds of the sale are increased by 
the premium originally received. If a written put option is exercised, the 
amount of the premium originally received reduces the cost of the security 
that the fund purchases upon exercise of the option. 

The risk in writing a call option is that the fund relinquishes the 
opportunity to profit if the market price of the underlying security 
increases and the option is exercised. In writing a put option, the fund 
assumes the risk of incurring a loss if the market price of the underlying 
security decreases and the option is exercised. In addition, there is the 
risk the fund may not be able to enter into a closing transaction because of 
an illiquid secondary market. 

The fund may also, to the extent consistent with its investment objectives 
and policies, buy put options to protect its portfolio holdings in an 
underlying security against a decline in market value. The fund may buy call 
options to hedge against an increase in the price of the securities that the 
fund ultimately wants to buy. The fund may also buy and sell combinations of 
put and call options on the same underlying security to earn additional 
income. The premium paid by a fund for the purchase of a put or call option 
is included in the fund's "Statement of assets and liabilities" as an 
investment and is subsequently "marked-to-market" to reflect the current 
market value of the option. If an option the fund has purchased expires on 
the stipulated expiration date, the fund realizes a loss in the amount of the 
cost of the option. If the fund enters into a closing sale transaction, the 
fund realizes a gain or loss, depending on whether proceeds from the closing 
sale transaction are greater or less than the cost of the option. If the fund 
exercises a call option, the cost of securities acquired by exercising the 
call is increased by the premium paid to buy the call. If the fund exercises 
a put option, it realizes a gain or loss from the sale of the underlying 
security and the proceeds from such sale are decreased by the premium origi- 

                                      25 
<PAGE>
 
nally paid. The risk associated with purchasing options is limited to the 
premium originally paid. 

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. 

At May 31, 1995, the fund had a capital loss carryover of approximately 
$1,102,000, which may be available to offset realized gains, if any. This 
amount will expire through May 31, 2003. To the extent that capital loss 
carryovers are used to offset realized capital gains, it is unlikely that 
gains so offset will be distributed to shareholders since any such 
distribution might be taxable as ordinary income. 

F) Distributions to shareholders Income dividends are recorded daily by the 
fund and are distributed monthly. Capital gains distributions, if any, are 
recorded on the ex-dividend date and paid annually, or as necessary to meet 
the distribution requirements described above. 

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 loss deferrals, 
post October losses and capital loss carryover. 

Reclassifications are made to the fund's capital accounts in order that they 
reflect income and gains available for distribution (or available capital 
loss carryovers) under income tax regulations. During the year ended May 31, 
1995, the fund reclassified $12,120 to decrease accumulated distributions in 
excess of net investment income, $185,720 to increase accumulated net 
realized loss on investments, and $173,600 to increase additional paid-in 
capital for the year ended May 31, 1995. 

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, stepped-coupon bonds 
and original issue discount bonds is accreted according to the effective 
yield method. 

H) Unamortized organization expenses Expenses incurred by the fund in 
connection with its organization, its registration with the Securities and 
Exchange Commission and with various states, and the initial public offering 
of its shares aggregated $13,115. These expenses, which were amortized over a 
five-year period based on projected net assets of the fund, concluded this 
year ended May 31, 1995. 


Note 2 
Management fee, administrative services, and other transactions 

Compensation of the fund's manager, for management and investment advisory 
services is paid quarterly based on the average net assets of the fund. Such 
fee is based on the following annual rates: 0.6% of the first $500 million of 
average net assets, 0.5% of the next $500 million, 0.45% of the next $500 
million and 0.4% of any amount over $1.5 billion, subject to reduction in any 
year by the amount of certain brokerage commissions and fees (less expenses) 
received by affiliates of the Manager on the fund's portfolio transactions. 

The fund also reimburses the Manager for the compensation and related 
expenses of certain officers of the fund and their staff who provide 
administra- 

                                      26 
<PAGE>
 
tive 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 $690 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 for the fund are provided by Putnam Fiduciary Trust 
Company (PFTC), a wholly-owned subsidiary of Putnam Investments, Inc. 
Investor servicing agent functions are provided by Putnam Investor Services, 
a division of PFTC. 

Investor servicing and custodian fees reported in the Statement of operations 
for the year ended May 31, 1995 have been reduced by credits allowed by PFTC. 

The fund has adopted distribution plans (the "Plans") with respect to its 
class A, class B and class M shares pursuant to Rule 12b-1 under the 
Investment Company Act of 1940. The purpose of the Plans is to compensate 
Putnam Mutual Funds Corp., a wholly-owned subsidiary of Putnam Investments, 
Inc., for services provided and expenses incurred by it in distributing 
shares of the fund. The Trustees have approved payment by the fund at an 
annual rate of 0.20%, 0.85% and 0.50% of the average net assets attributable 
to class A, class B and class M shares, respectively. 

For the year ended May 31, 1995, Putnam Mutual Funds Corp., acting as 
underwriter received net commissions of $18,588 and $0 from the sale of class 
A and class M shares and $20,926 in contingent deferred sales charges from 
redemptions of class B shares. A deferred sales charge of up to 1% is 
assessed on certain redemptions of class A and class M shares purchased as 
part of an investment of $1 million or more. For the year ended May 31, 1995, 
Putnam Mutual Funds Corp., acting as underwriter received $7 and $0 on class 
A and class M redemptions. 

Note 3 
Purchases and sales of securities 

During the year ended May 31, 1995, purchases and sales of investment 
securities other than short-term municipal obligations aggregated $71,991,713 
and $60,993,632 respectively. Purchases and sales of short term municipal 
obligations aggregated $13,100,000 and $12,800,000 respectively. In 
determining the net gain or loss on securities sold, the cost of securities 
has been determined on the identified cost basis. 

Written option transactions during the year are summarized as follows: 

<TABLE>
<CAPTION>
                                                 Number of     Premiums 
                                                 Contracts     Received 
<S>                                             <C>            <C>
- -----------------------------------------------------------------------
Outstanding at beginning of year                         --          -- 
- -----------------------------------------------------------------------
Options written                                  (3,900,000)   $(53,953) 
- -----------------------------------------------------------------------
Options closed                                    3,900,000      53,953 
- -----------------------------------------------------------------------
Written options outstanding at end of year      $        --    $     -- 
- -----------------------------------------------------------------------
</TABLE>


                                      27 
<PAGE>

Note 4 
Capital shares 

At May 31, 1995, there was an unlimited number of class A, class B and class 
M capital shares of beneficial interest authorized. Class M shares became 
effective on April 3, 1995 and 115 shares were sold to Putnam Investments 
Inc. for $1,000. Transactions in capital shares were as follows: 


<TABLE>
<CAPTION>
                                                        Year ended May 31 
                                                  ---------------------------- 
                                                              1995 
                                                  ---------------------------- 
Class A                                              Shares          Amount 
<S>                                                <C>            <C>
- ------------------------------------------------------------------------------
Shares sold                                         1,196,795     $ 10,352,416 
- ------------------------------------------------------------------------------
Shares issued in connection with reinvestment 
of dividends                                          424,124        3,662,044 
- ------------------------------------------------------------------------------
                                                    1,620,919       14,014,460 
Shares repurchased                                 (1,492,954)     (12,756,180) 
- ------------------------------------------------------------------------------
Net increase (decrease)                               127,965     $  1,258,280 
- ------------------------------------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>
                                                        Year ended May 31 
                                                  ---------------------------- 
                                                              1994 
                                                  ---------------------------- 
Class A                                              Shares          Amount 
<S>                                                <C>            <C>
- -----------------------------------------------------------------------------
Shares sold                                         2,011,440     $18,417,919 
- -----------------------------------------------------------------------------
Shares issued in connection with reinvestment 
of dividends                                          393,393       3,595,907 
- -----------------------------------------------------------------------------
                                                    2,404,833      22,013,826 
Shares repurchased                                 (1,095,167)     (9,963,783) 
- -----------------------------------------------------------------------------
Net increase                                        1,309,666     $12,050,043 
- -----------------------------------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>
                                                        Year ended May 31 
                                                  ---------------------------- 
                                                              1995 
                                                  ---------------------------- 
Class B                                              Shares          Amount 
<S>                                                <C>            <C>
- -----------------------------------------------------------------------------
Shares sold                                        1,302,085      $11,228,705 
- -----------------------------------------------------------------------------
Shares issued in connection with reinvestment 
of dividends                                          51,457          442,963 
- -----------------------------------------------------------------------------
                                                   1,353,542       11,671,668 
Shares repurchased                                  (156,444)      (1,327,368) 
- -----------------------------------------------------------------------------
Net increase                                       1,197,098      $10,344,300 
- -----------------------------------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>
                                                          July 15, 1993 
                                                        (commencement of 
                                                         operations) to 
                                                             May 31 
                                                  ---------------------------- 
                                                              1994 
                                                  ---------------------------- 
Class B                                              Shares          Amount 
<S>                                                <C>             <C> 
- -----------------------------------------------------------------------------
Shares sold                                        1,042,351       $9,463,010 
- -----------------------------------------------------------------------------
Shares issued in connection with reinvestment 
of dividends                                          10,180           91,406 
- -----------------------------------------------------------------------------
                                                   1,052,531        9,554,416 
- -----------------------------------------------------------------------------
Shares repurchased                                   (41,211)        (369,863) 
- -----------------------------------------------------------------------------
Net increase                                       1,011,320       $9,184,553 
- -----------------------------------------------------------------------------
</TABLE>

                                      28 
<PAGE>
 
Federal Tax Information 

The fund has designated all dividends from net investment income paid during 
the fiscal year as exempt-interest dividends. Thus, 100% of these 
distributions are exempt from federal income tax. For residents of the state 
of Minnesota, 100% of the fund's distributions are also exempt from Minnesota 
personal income tax. 

The Form 1099 you will receive in January 1996 will show the tax status of 
any taxable distributions paid to your account in calendar 1995. 


                                      29 
<PAGE>

Our commitment to quality service 

> CHOOSE AWARD-WINNING SERVICE. 
Putnam Investor Services has won the DALBAR Quality Tested Service Seal every 
year since the award's 1990 inception. DALBAR, an independent research firm, 
ran more than 10,000 tests of 38 shareholder service components. In every 
category, Putnam outperformed the industry standard. 

> HELP YOUR INVESTMENT GROW. 
Set up a systematic program for investing with as little as $25 a month from 
a Putnam money market fund or from your checking or savings account.* 

> SWITCH FUNDS EASILY. 
You can move money from one account to another with the same class of shares 
without a service charge. (This privilege is subject to change or 
termination.) 

> ACCESS YOUR MONEY QUICKLY. 
You can get checks sent regularly or redeem shares any business day at the 
then-current net asset value, which may be more or less than the original 
cost of the shares. 

For details about any of these or other services, contact your financial 
advisor or call the toll-free number shown below and speak with a helpful 
Putnam representative. 

> To make an additional investment in this or any other Putnam fund, contact 
  your financial advisor or call our toll-free number: 1-800-225-1581. 

*Regular investing, of course, does not guarantee a profit or protect against 
 a loss in a declining market. 

                                      30 
<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 
Eli Shapiro 
A.J.C. Smith 
W. Nicholas Thorndike 

OFFICERS 
George Putnam 
President 
Charles E. Porter 
Executive Vice President 
Patricia C. Flaherty 
Senior Vice President 
Lawrence J. Lasser 
Vice President 
Gordon H. Silver 
Vice President 
Gary N. Coburn 
Vice President 
James E. Erickson 
Vice President 
Howard Manning 
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 

This report is for the information of shareholders of Putnam Minnesota Tax 
Exempt Income Fund II. It may also be used as sales literature when preceded 
or accompanied by the current prospectus, which gives details of sales 
charges, investment objectives, and operating policies of the fund, and the 
most recent copy of Putnam's Quarterly Performance Summary. For more 
information or to request a prospectus, call toll-free: 1-800-225-1581. 

Shares of mutual funds are not deposits of, or guaranteed or endorsed by, any 
financial institution, are not insured by the Federal Deposit Insurance 
Corporation (FDIC), the Federal Reserve Board, or any other agency, and 
involve risk, including the possible loss of the principal amount invested. 

                                      31 
<PAGE>
 

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

Bulk Rate 
U.S. Postage 
PAID 
Putnam 
Investments 

19002-847/238 
   
<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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