PUTNAM CALIFORNIA TAX EXEMPT INCOME TRUST
N-30D, 2000-05-22
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Putnam
California
Tax Exempt
Income Fund

SEMIANNUAL REPORT ON PERFORMANCE AND OUTLOOK

3-31-00

[SCALE LOGO OMITTED]

From the Chairman

[GRAPHIC OMITTED: PHOTO OF GEORGE PUTNAM]

[COPYRIGHT]  Karsh, Ottawa

Dear Shareholder:

The markets continued to provide their share of challenges and
opportunities as your fund closed its books on the first half of fiscal
year 2000. In the following report, the fund's manager discusses
performance for the period and prospects for the months ahead.

This is the last letter to you and the other shareholders of Putnam
California Tax Exempt Income Fund that I will be signing.  After more
than 30 years as Chairman of the Trustees and President of the Putnam
Funds, the time has come for me to step aside. In June, John Hill will
become Chairman. John is currently an independent Trustee and has served
on the board for the past 14 years. In addition, my son, George Putnam,
III, will take on the role of President. I am confident that the
leadership of the funds will be in exceptionally strong hands.

I will become Chairman Emeritus, remain a Putnam shareholder, and stay
in close touch with the funds. It has been my privilege to serve you.

Respectfully yours,

/S/ GEORGE PUTNAM
George Putnam
Chairman of the Trustees
May 17, 2000


Report from the Fund Manager

David E. Hamlin

The market environment that characterized much of last year continued
through the first half of Putnam California Tax Exempt Income Fund's
fiscal year, which ended March 31, 2000. The Federal Reserve Board
raised interest rates five times in the past nine months, and may do so
again, depressing bond prices in all sectors of the market. However,
crosscurrents in the market recently led to an inverted yield curve, an
unusual situation in which short-term interest rates are higher than
long-term rates. If this inverted yield curve means that the strong
economy and inflation are finally responding to the Fed's policies,
improvement may be ahead for bond investors. While we believe it is too
early to be bullish, we expect a gradual improvement in the market
climate.

Total return for 6 months ended 3/31/00

        Class A           Class B           Class C           Class M
     NAV       POP     NAV      CDSC     NAV     CDSC      NAV       POP
- ------------------------------------------------------------------------
    2.11%    -2.73%   1.78%    -3.19%   1.93%    0.94%    1.83%    -1.52%
- ------------------------------------------------------------------------

Past performance is not indicative of future results. Performance
information for longer periods and explanation of performance
calculation methods begin on page 7.

The fund started the year with an average portfolio duration of about
8.4 years, a position we regard as neutral. Duration is a measure of the
price sensitivity of a bond fund to changes in interest rates. A
portfolio of securities scheduled to mature in a relatively brief
period, on average, is likely to be less volatile than a fund with a
longer average duration. As fiscal 2000 got under way, and interest
rates rose, we gradually lengthened the fund's duration to 8.51 years as
of March 31, 2000.

* FUND STRATEGIES DESIGNED TO SECURE TAX BENEFITS, INCOME

In these volatile times, one of our goals has been to capitalize on
market downturns by selectively realizing capital losses. (While your
fund's interest earnings are tax-exempt, any capital gains realized in
the sale of portfolio securities would be taxable to shareholders.) As
securities we had purchased before interest rates rose to their current
levels neared their maturity or call dates, we sold off a number of
them. In doing so, we realized tax losses that can be carried forward to
offset taxable gains the fund may realize in future years. To the extent
possible, we replaced these issues with securities that offered
comparable yields and longer maturities.


[GRAPHIC OMITTED: horizontal bar chart TOP INDUSTRY SECTORS]

TOP INDUSTRY SECTORS*

Water and sewer              16.6%

Transportation               16.0%

Utilities                    10.6%

Hospitals/health care        10.6%

Housing                       4.5%

Footnote reads:
*Based on net assets as of 3/31/00. Holdings will vary over time.

Our purchase activities focused on zero coupon bonds -- bonds that trade
at a deep discount to their value at maturity, offering future
appreciation potential. This strategy was positive for the fund because
zeros are noncallable, long duration instruments that at times, trade
cheaply relative to coupon bonds.

* WIDENING CREDIT SPREADS MAY PROVIDE OPPORTUNITY

Another goal has been to add to the fund's weighting in lower-rated,
higher-yielding issues. In the recent market climate, high-yield bonds
were largely ignored, as many investors pursued the relative price
stability of high-quality debt. At the same time, the U.S. government
has been using its budget surplus to buy back older Treasury issues and
has reduced new issuance, intensifying demand at the top end of the
credit spectrum. The combined effects of weak supply with stronger
demand at the high end, along with overall increases in interest rates,
have been to widen the spread, or difference, between yields on high-
and low-rated bonds, making the high-yield sector seem more attractively
valued.


[GRAPHIC OMITTED: pie chart CREDIT QUALITY OVERVIEW]

CREDIT QUALITY OVERVIEW

Aaa/AAA -- 68.1%

Aa/AA -- 12.6%

A -- 5.3%

Baa/BBB -- 7.6%

Ba/BB -- 4.6

B -- 1.4%

VMIGI/A-A+ -- 0.4%

Footnote reads:
As a percentage of market value as of 3/31/00. A bond rated Baa/BBB or
higher is considered investment grade. Percentages may include unrated
bonds considered by Putnam Management to be of comparable quality. Ratings
will vary over time.


The California market is of unusually high quality and your fund has a
substantial concentration in high-grade bonds and insured securities.
From a price standpoint, this relatively high overall quality helped
insulate the portfolio somewhat during the first half of fiscal 2000,
but it will be less advantageous if yield spreads narrow, as we expect.
Consequently, we have been steering the fund cautiously into lower-rated
and non-rated investments from just over 7% at the beginning of the year
to about 9% by the middle of this year. (Bear in mind that Putnam rates
all securities in the portfolio, including those not rated by
independent rating agencies.)


"Now is a particularly good time to look at [municipals] since muni debt
is paying as much as 30-year Treasuries -- and it's tax-exempt."

- -- SmartMoney.com, April 20, 2000

Since most California municipalities financed new projects before
interest rates reached their current peaks, the supply of new issues is
low. Attractive higher-yielding bonds are scarce because investors who
find a credit they like hold it for as long as its potential remains.
Nevertheless, we have been able to find opportunities in the secondary
market, buying bonds from investors who need to raise cash. Our primary
targets in California are hospitals, airlines, and land-backed
securities.

* HOSPITALS MAY BE ON MEND, AIRLINES STAY STRONG

The Balanced Budget Act of 1996 hurt hospitals nationwide because it
changed Medicaid reimbursement schedules. Some hospitals became
insolvent and closed their doors. Only the stronger institutions
survived and now Congress is concerned that the decreased availability
of hospital beds may harm constituents. Since budget surpluses give
Congress more money to spend, relief is starting to flow into this
sector.


A closer look at municipal credit ratings

Ratings agencies such as Moody's Investor Service and Standard & Poor's Corp.
assign ratings to municipal issuers based on an in-depth analysis of the
issuer's financial condition and management, economic and debt characteristics,
and the specific revenue sources securing the bond. The highest ratings
are Aaa (Moody's) and AAA (Standard & Poor's). Bonds rated in the
Baa/BBB category or higher are considered to be investment grade.
Securities in the Ba/BB group and below are considered to be below
investment grade or high yield. If you look at "The fund's portfolio" in
the back of this report, you will see ratings next to each issuer's
name. The pie chart on p. 3 summarizes this listing to give you a sense
of the portfolio's overall quality.

Sometimes smaller bond issues are not rated because the cost of
obtaining a ratings is not justifiable. Unrated bonds can still offer
attractive investment opportunities and may end up in your fund's
portfolio. In such a case, Putnam's analysts perform their own rating of
the bonds, and they are identified in the portfolio listing by a /P
rating.


We were able to find an attractive new issue among California's
hospitals, Burnham Institute, a San Diego medical research facility in
the forefront of the fight against cancer. The Burnham Institute bonds
we purchased carried a coupon of 6 1/4%, maturing in 2029.

Another recent addition was California Statewide Community Development
Authority Special Facilities for United Airlines-Los Angeles. United had
been under a cloud during Asia's economic crisis, but now that the Asian
economy has rebounded, United's business has improved. What is more,
United's highly diversified route system includes the United States,
Latin America, and Europe. Although high fuel prices pose a risk for all
airlines, the strong economy is keeping demand high, and carriers with
prime routes are able to pass along the increased cost to their
customers. The original coupon for these bonds was 5.63%, maturing in
2034, and it is rated Baa3/BB+. But bond prices have dropped since the
issue date, and we bought the bonds in two lots, one with a yield of
6.66% and one at 6.95%.

* CALIFORNIA DIRT ALSO OFFERS PROMISE

The best place to look for high-yield California debt is in the
land-secured sector. Analysts call these dirt issues because the land
that backs them is often blank earth without any current construction.
Many of these issues are not rated by the major agencies and investors
need to be satisfied that each development's potential is realistic.
Putnam analysts visit sites, talking with builders, potential
home-buyers, and people in surrounding communities.

During the first half of the fiscal year, we bought Roseville,
California, Special Tax, North Roseville Community Facilities District
Number One. The bonds were issued at 5.75%, maturing in 2023, and were
not rated by any independent agency. We did our own analysis and bought
the bonds on the secondary market at a yield of 7.15%.

Another new dirt issue in your fund's portfolio is the Infrastructure
Financing Authority for Brentwood, California, also not rated by
independent agencies. They were issued with coupons of 5.625% and 5.60%,
maturing in 2029 and 2019, respectively. Lake Elsinore is still another
example of a new addition to the portfolio backed by land in what we
believe to be an excellent location -- east of Los Angeles and north of
San Diego. We purchased these bonds with a coupon of 6.70% maturing in
2033.

* FUND MANAGER LOOKS FOR BETTER BOND MARKET BEHAVIOR

Volatile markets such as those we have been experiencing are especially
hard on bond investors who have come to expect income-oriented
investments to provide relative stability. However, such periods also
provide opportunity in the form of higher yields. The current ratio of
municipal bond yields to U.S. Treasury yields is about 97% -- an
extremely high level of tax-free income for most municipal bond
investors.

In addition, although rising interest rates have a negative impact on
principal values, they also keep inflation down in the longer run, and
inflation is the bond market's worst enemy. Looking ahead, as the Fed's
policies begin to impact the economy, the bond markets, including the
municipal bond market, should respond accordingly.

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 3/31/00, there is no guarantee the fund will
continue to hold these securities in the future.


Performance summary

This section provides information about your fund's performance, which
should always be considered in light of its investment strategy. Putnam
California Tax Exempt Income Fund is designed for investors seeking as
high a level of current income exempt from federal and California income
tax as is consistent with preservation of principal.

<TABLE>
<CAPTION>
TOTAL RETURN FOR PERIODS ENDED 3/31/00

                        Class A           Class B           Class C           Class M
(inception dates)      (4/29/83)         (1/4/93)          (7/26/99)         (2/14/95)
                     NAV      POP      NAV     CDSC      NAV     CDSC      NAV      POP
<S>               <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
- ----------------------------------------------------------------------------------------
6 months            2.11%   -2.73%    1.78%   -3.19%    1.93%    0.94%    1.83%   -1.52%
- ----------------------------------------------------------------------------------------
1 year             -1.31    -6.04    -1.83    -6.52    -1.94    -2.88    -1.49    -4.66
- ----------------------------------------------------------------------------------------
5 years            30.37    24.21    26.36    24.37    25.41    25.41    28.36    24.16
Annual average      5.45     4.43     4.79     4.46     4.63     4.63     5.12     4.42
- ----------------------------------------------------------------------------------------
10 years           91.18    82.09    77.56    77.56    76.53    76.53    84.20    78.18
Annual average      6.69     6.18     5.91     5.91     5.85     5.85     6.30     5.95
- ----------------------------------------------------------------------------------------
Life of fund      264.16   246.85   218.77   218.77   218.21   218.21   238.76   227.73
Annual average      7.94     7.63     7.09     7.09     7.08     7.08     7.48     7.27
- ----------------------------------------------------------------------------------------
</TABLE>

COMPARATIVE INDEX RETURNS FOR PERIODS ENDED 3/31/00

                               Lehman Brothers Municipal     Consumer
                                      Bond Index            price index
- -------------------------------------------------------------------------
6 months                                  2.13%                2.03%
- -------------------------------------------------------------------------
1 year                                   -0.08                 3.69
- -------------------------------------------------------------------------
5 years                                  34.30                13.15
Annual average                            6.07                 2.50
- -------------------------------------------------------------------------
10 years                                 99.60                33.02
Annual average                            7.15                 2.89
- -------------------------------------------------------------------------
Life of fund                            288.60                73.63
Annual average                            8.35                 3.31
- -------------------------------------------------------------------------

Past performance is no assurance of future results. More recent returns
may be more or less than those shown. Returns for class A and class M
shares reflect the current maximum initial sales charges of 4.75% and
3.25%, respectively. Class B share returns for the 1-, 5-, and 10-year
(where available) and life-of-fund periods reflect the applicable
contingent deferred sales charge (CDSC), which is 5% in the first year,
declines to 1% in the sixth year, and is eliminated thereafter. Returns
shown for class B and class M shares for periods prior to their
inception are derived from the historical performance of class A shares,
adjusted to reflect both the initial sales charge or CDSC, if any,
currently applicable to each class and in the case of class B and class
M shares the higher operating expenses applicable to such shares. For
class C shares, returns for periods prior to their inception are derived
from the historical performance of class A shares, adjusted to reflect
both the CDSC currently applicable to class C shares, which is 1% for
the first year and is eliminated thereafter, and the higher operating
expenses applicable to class C shares. All returns assume reinvestment
of distributions at NAV. Investment return and principal value will
fluctuate so that an investor's shares when redeemed may be worth more
or less than their original cost.

<TABLE>
<CAPTION>

PRICE AND DISTRIBUTION INFORMATION 6 MONTHS ENDED 3/31/00

                                        Class A                  Class B       Class C                    Class M
- ----------------------------------------------------------------------------------------------------------------------
<S>                              <C>           <C>             <C>             <C>               <C>            <C>
Distributions (number)                     6                        6             6                          6
- ----------------------------------------------------------------------------------------------------------------------
Income                                 $0.218027                $0.191493      $0.194615                 $0.205567
- ----------------------------------------------------------------------------------------------------------------------
Capital gains 1                            --                       --            --                         --
- ----------------------------------------------------------------------------------------------------------------------
  Total                                $0.218027                $0.191493      $0.194615                 $0.205567
- ----------------------------------------------------------------------------------------------------------------------
Share value:                       NAV           POP               NAV            NAV               NAV            POP
- ----------------------------------------------------------------------------------------------------------------------
9/30/99                          $8.25         $8.66             $8.24          $8.26             $8.24          $8.52
- ----------------------------------------------------------------------------------------------------------------------
3/31/00                           8.20          8.61              8.19           8.22              8.18           8.45
- ----------------------------------------------------------------------------------------------------------------------
Current return (end of period)
- ----------------------------------------------------------------------------------------------------------------------
Current dividend rate 2           5.32%         5.07%             4.68%          4.53%             5.01%          4.85%
- ----------------------------------------------------------------------------------------------------------------------
Taxable equivalent 3              9.71          9.26              8.54           8.27              9.15           8.85
- ----------------------------------------------------------------------------------------------------------------------
Current 30-day SEC yield 4        4.98          4.74              4.33           4.17              4.68           4.53
- ----------------------------------------------------------------------------------------------------------------------
Taxable equivalent 3              9.09          8.65              7.90           7.61              8.54           8.27
- ----------------------------------------------------------------------------------------------------------------------

1 Capital gains, if any, are taxable for federal and, in most cases,
  state tax purposes. For some investors, investment income may also be
  subject to the federal alternative minimum tax. Investment income may be
  subject to state and local taxes.

2 Income portion of most recent distribution, annualized and divided by
  NAV or POP at end of period.

3 Assumes maximum 45.22% combined federal and state tax rate. Results
  for investors subject to lower tax rates would not be as advantageous.

4 Based on investment income, calculated using SEC guidelines.

</TABLE>


Terms and definitions

Total return shows how the value of the fund's shares changed over time,
assuming you held the shares through the entire period and reinvested
all distributions in the fund.

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

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

Class C shares are not subject to an initial sales charge and are
subject to a contingent deferred sales charge only if the shares are
redeemed during the first year.

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 4.75% maximum sales charge for class A
shares and 3.25% for class M shares.

Contingent deferred sales charge (CDSC) is a charge applied at the time
of the redemption of class B or C shares and assumes redemption at the
end of the period. Your fund's class B 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. The CDSC for class C shares is 1% for one
year after purchase.


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 assumes reinvestment of all
distributions and interest payments and does not take into account
brokerage fees or taxes. Securities in the fund do not match those in
the index and performance of the fund will differ. It is not possible to
invest directly in an index.

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


Welcome to www.putnaminv.com

Now you can use your PC to get up-to-date information about your funds,
learn more about investing and retirement planning, and access market
news and economic outlooks from Putnam.

VISIT PUTNAM'S SITE ON THE WORLD WIDE WEB FOR:

*  the benefits of investing with Putnam

*  Putnam's money management philosophy

*  complete fund information, daily pricing and long-term
   performance

*  your current account value, portfolio value and transaction history

*  the latest on new funds and other Putnam news

   You can also read Putnam economist Dr. Robert Goodman's commentary
   and Putnam's Capital Markets outlook, search for a particular fund
   by name or objective, use our glossary to decode investment terms
   . . . and much more.

   The site can be accessed through any of the major online services
   (America Online, CompuServe, Prodigy) that offer web access. Of
   course, you can also access it via Netscape or Microsoft Internet
   Explorer, using an independent Internet service provider.

   New features will be added to the site regularly. So be sure to
   bookmark us at

   http://www.putnaminv.com


A guide to the financial statements

These sections of the report constitute the fund's financial statements.

The fund's portfolio  lists all the fund's investments and their values
as of the last day of the reporting period. Holdings are organized by
asset type and industry sector, country, or state to show areas of
concentration and diversification.

Statement of assets and liabilities  shows how the fund's net assets and
share price are determined. All investment and noninvestment assets are
added together.  Any unpaid expenses and other liabilities are
subtracted from this total. The result is divided by the number of
shares to determine the net asset value per share, which is calculated
separately for each class of shares. (For funds with preferred shares,
the amount subtracted from total assets includes the net assets
allocated to remarketed preferred shares.)

Statement of operations  shows the fund's net investment gain or loss
for the reporting period. This is determined by adding up all the fund's
earnings -- from dividends and interest income -- and subtracting its
operating expenses. This statement also lists any net gain or loss the
fund realized on the sales of its holdings and -- for holdings that
remain in the portfolio -- any change in unrealized gains or losses over
the period.

Statement of changes in net assets  shows how the fund's net assets were
affected by distributions to shareholders and by changes in the number
of the fund's shares. It lists distributions and their sources (net
investment income or realized capital gains) over the current reporting
period and the most recent fiscal year-end. The distributions listed
here may not match the sources listed in the Statement of operations
because the distributions are determined on a tax basis and may be paid
in a different period from the one in which they were earned.

Financial highlights  provide an overview of the fund's investment
results, per-share distributions, expense ratios, net investment income
ratios and portfolio turnover in one summary table, reflecting the five
most recent reporting periods. In a semiannual report, the highlight
table also includes the current reporting period. For open-end funds, a
separate table is provided for each share class.


<TABLE>
<CAPTION>

The fund's portfolio
March 31, 2000 (Unaudited)

KEY TO ABBREVIATIONS
AMBAC        -- AMBAC Indemnity Corporation
COP          -- Certificate of Participation
FGIC         -- Financial Guaranty Insurance Company
FHA Insd.    -- Federal Housing Administration Insured
FRB          -- Floating Rate Bonds
FSA          -- Financial Security Assurance
G.O. Bonds   -- General Obligation Bonds
IFB          -- Inverse Floating Rate Bonds
IF COP       -- Inverse Floating Rate Certificate of Participation
LOC          -- Letter of Credit
MBIA         -- Municipal Bond Investors Assurance Corporation
VRDN         -- Variable Rate Demand Notes


MUNICIPAL BONDS AND NOTES (99.5%) (a)
PRINCIPAL AMOUNT                                                                           RATING (RAT)                VALUE
<S>                                                                                           <C>          <C>
California (97.9%)
- ----------------------------------------------------------------------------------------------------------------------------
                        Alameda, Corridor Trans. Auth. Rev. Bonds Ser. A
$            9,500,000    5 1/4s, 10/1/21                                                       Aaa         $      9,048,750
            10,195,000    5 1/8s, 10/1/14                                                       Aaa               10,093,050
            21,425,000    4 3/4s, 10/1/25                                                       Aaa               18,452,281
            16,000,000  Anaheim, IF COP, MBIA, 8.77s, 7/16/23                                   Aaa               17,140,000
            24,000,000  Anaheim, Pub. Fin. Auth. IFB, MBIA, 8.872s, 12/28/18                    Aaa               27,450,000
                        Anaheim, Pub. Fin. Auth. Lease Rev. Bonds
                          (Pub. Improvements.)
            10,000,000    Ser. A, FSA, 5s, 3/1/37                                               Aaa                8,762,500
            16,080,000    Ser. C, FSA, zero %, 3/1/37                                           AAA                1,809,000
            12,485,000    Ser. C, FSA, zero %, 9/1/34                                           AAA                1,623,050
            30,275,000  Berkeley, Hlth. Fac. Rev. Bonds
                          (Alta Bates Med. Ctr.), Ser. A, 6.55s, 12/1/22                        A2                32,394,250
                        Brentwood, Infrastructure Auth. Rev. Bonds, Ser. 94-1
            11,230,000    5 5/8s, 9/2/29                                                        BB/P               9,278,788
             2,485,000    5.6s, 9/2/19                                                          BB/P               2,133,994
            20,000,000  CA Edl. Fac. Auth. Rev. Bonds (U. of Southern CA),
                          Ser. C, 5 1/8s, 10/1/28                                               AA+               18,375,000
                        CA Hlth. Fac. Auth. Rev. Bonds
             9,000,000    (CedarKnoll), Ser. B, 7 1/2s, 8/1/20                                  A+/P               9,284,760
            12,500,000    (INSD-Sutter Hlth.), Ser. A, 5.35s, 8/15/28                           Aaa               11,703,125
            21,000,000    (Catholic Healthcare West.), Ser. A, AMBAC,
                          5s, 7/1/21                                                            Aaa               19,136,250
            35,385,000  CA Hlth. Fac. Fin. Auth. IFB, Ser. B, MBIA, 5s, 7/1/14                  AAA               33,704,213
            14,150,000  CA Housing Fin. Agcy. IFB, FHA Insd., 8.48s, 8/1/23                     Aa2               15,034,375
            10,290,000  CA Poll. Control Fin. Auth. Solid Waste Disp.
                          Rev. Bonds (Keller Canyon Landfill Co.),
                          6 7/8s, 11/1/27                                                       BB-               10,007,025
            36,775,000  CA Pub. Cap. Impt. Fin. Auth. Rev. Bonds
                          (Jt. Pwrs. Agcy.), Ser. B, MBIA, 8.1s, 3/1/18                         Aaa               37,188,719
            24,200,000  CA State Dept. Wtr. Resources IFB (Central Valley),
                          9.264s, 12/1/12 (acquired 10/23/97,
                          cost $25,632,450) (RES)                                               Aa2               32,488,500
            25,000,000  CA State Dept. Wtr. Resources Rev. Bonds, Ser. O,
                          MBIA, 4 3/4s, 12/1/29                                                 Aaa               21,468,750
                        CA State G.O. Bonds
            37,100,000    FRB, 8.751s, 9/1/12 (acquired 7/11/96,
                          cost $36,543,500) (RES)                                               AA-               44,566,375
            10,000,000    AMBAC, 6 1/2s, 9/1/06                                                 Aaa               11,037,500
            24,365,000    6s, 2/1/10                                                            AA-               26,466,481
            16,365,000    6s, 10/1/08                                                           AA-               17,735,569
            14,700,000    6s, 2/1/08                                                            AA-               15,839,250
            16,545,000    AMBAC, 5 1/2s, 4/1/11                                                 AAA               17,330,888
            10,000,000    (Veterans), Ser. BH, 5.4s, 12/1/14                                    AA-                9,975,000
            10,000,000    (Veterans), Ser. BH, 5.35s, 12/1/13                                   AA-                9,975,000
            10,000,000    (Veterans), Ser. BH, 5 1/4s, 12/1/12                                  Aaa                9,975,000
            10,000,000    4 3/4s, 2/1/29                                                        AAA                8,512,500
            20,800,000    Ser. 33, MBIA, zero %, 10/1/11                                        AAA               11,518,000
            60,000,000    Ser. 27, MBIA, zero %, 9/1/11                                         A+                33,300,000
            25,500,000  CA State Rev. Bonds, FGIC, 8s, 11/1/07                                  Aaa               29,930,625
                        CA State Pub. Wks. Board Lease Rev. Bonds
            24,000,000    (Dept. of Corrections-State Prisons), Ser. A,
                          7s, 9/1/09                                                            Aaa               24,785,040
            28,000,000    (Dept. of Corrections-State Prisons), Ser. A,
                          MBIA, 6 1/2s, 9/1/17                                                  Aaa               31,535,000
            59,000,000    (Dept. of Corrections-State Prisons), Ser. A,
                          6.43s, 9/1/19                                                         Aaa               61,655,000
            10,105,000    Ser. A, AMBAC, 5.8s, 1/1/13 (SEG)                                     Aaa               10,559,725
             7,205,000    (CA Cmnty. Colleges), Ser. A, 5 1/2s, 12/1/09                         A+                 7,511,213
             6,000,000    (Regents U. CA), Ser. A, 5 1/4s, 12/1/09                              Aa3                6,195,000
             6,000,000    (Regents U. CA), Ser. A, 5 1/4s, 12/1/07                              Aa3                6,240,000
            33,500,000    (Dept. of Corrections-State Prisons), Ser. A,
                          AMBAC, 5s, 12/1/19                                                    Aaa               31,490,000
             6,555,000    (Libr. & Courts Annex), Ser. A, 5s, 5/1/18                            A+                 5,997,825
                        CA Statewide Cmnty. Dev. Auth. COP
            15,000,000    (The Internext Group), 5 3/8s, 4/1/30                                 BBB               11,700,000
            10,000,000    (Childrens Hosp.), MBIA, 4 3/4s, 6/1/21                               Aaa                8,775,000
                        CA Statewide Cmnty. Dev. Auth. Multi-Fam.
                          Rev. Bonds
             6,000,000    5.3s, 6/1/29                                                          BBB+               5,917,500
             5,000,000    (Equity Res. Hsg.), Ser. B, 5.2s, 12/1/29                             A3                 4,893,750
                        CA Statewide Cmnty. Dev. Auth. Apt. Dev.
                          Rev. Bonds (Irvine Apt. Cmntys.)
            12,500,000    Ser. A-4, 5 1/4s, 5/15/25                                             Baa2              11,921,875
            20,000,000    Ser. A-3, 5.1s, 5/15/25                                               Baa2              18,950,000
            17,580,000  CA Statewide Cmty. Dev. Auth Rev. Bonds
                          (United Airlines, Inc.), 5 5/8s, 10/1/34                              Baa3              15,096,825
             8,000,000  Capistrano, U. School Dist. Cmnty. Fac.
                          Special Tax Bonds (Ladera), 5 3/4s, 9/1/29                            BB-/P              6,970,000
            32,000,000  Chino Basin, Regl. Fin. Auth. Rev. Bonds, AMBAC,
                          5 3/4s, 8/1/22                                                        Aaa               32,080,000
             4,425,000  Chula Vista Special Tax Bonds (Cmnty. Facs.
                          Dist. No. 97-3), 6.05s, 9/1/29                                        BB                 4,082,063
                        Commerce Redev. Agcy. Rev. Bonds
                          (No. 1), Ser. 91-A
             8,845,000    7 1/4s, 8/1/21                                                        BBB-               9,353,588
            68,280,000    zero %, 8/1/21                                                        BBB-              17,411,400
            12,000,000  Contra Costa Cnty., COP (Merrrithew
                          Memorial Hosp.), MBIA, 5 3/8s, 11/1/17                                Aaa               11,730,000
            35,000,000  Contra Costa, Home Mtge. Fin. Auth. Rev. Bonds,
                          MBIA, zero %, 9/1/17                                                  Aaa               12,512,500
                        Contra Costa, Wtr. Dist. Rev. Bonds, Ser. G, MBIA
            36,915,000    5s, 10/1/26                                                           Aaa               33,361,931
            41,500,000    5s, 10/1/24                                                           Aaa               37,765,000
            10,000,000  Corona, COP (Vista Hosp. Syst.), Ser. B, 9 1/2s,
                          7/1/20 (acquired 10/23/92, cost $10,000,000) (RES)                    B-/P               9,400,000
            19,000,000  Delano, COP (Delano Regl. Med. Ctr.), 5.6s, 1/1/26                      BBB-              15,461,250
                        Duarte, COP, Ser. A
            15,000,000    5 1/4s, 4/1/31                                                        BBB+              12,187,500
             7,500,000    5 1/4s, 4/1/24                                                        BBB+               6,262,500
            21,000,000  East Bay, Muni. Util. Rev. Bonds, MBIA, 4 3/4s, 6/1/28                  Aaa               17,955,000
            23,850,000  East Bay, Muni. Util. Dist. Rev. Bonds
                          (Wastewater Treatment), FGIC, 4 3/4s, 6/1/21                          Aaa               21,196,688
            10,725,000  El Camino, Hosp. Dist. Rev. Bonds, Ser. A, AMBAC,
                          6 1/4s, 8/15/17                                                       Aaa               11,026,909
                        Foothill/Eastern Corridor Agcy. CA Toll Road
                          Rev. Bonds
            19,000,000    5 3/4s, 1/15/40                                                       BBB-              17,741,250
             7,850,000    MBIA, 5 1/2s, 1/15/09                                                 AAA                8,222,875
             8,945,000    MBIA, 5 1/2s, 1/15/08                                                 AAA                9,381,069
             5,000,000    MBIA, 5 3/8s, 1/15/14                                                 AAA                5,062,500
                        Foothill/Eastern Trans. Corridor Agcy. Rev. Bonds
                          (CA Toll Roads), Ser. A
            34,150,000    6 1/2s, 1/1/32                                                        AAA               37,778,438
            38,875,000    6s, 1/1/34                                                            AAA               41,887,813
            11,460,000  Fresno, Unified Sch. Dist. COP, 7 1/4s, 3/1/07                          A3                11,948,769
             1,800,000  Indio, Multi-Fam. Rev. Bonds VRDN (Carreon),
                          Ser. A, 3 1/4s, 8/1/26                                                VMIG1              1,800,000
                        Irvine, Impt. Special Assmnt. Bonds
             2,750,000    (Assmt. Dist. No. 97-17), 6s, 9/2/23                                  BB/P               2,598,750
             1,000,000    (Assmt. Dist. No. 94-13), 6s, 9/2/22                                  BB/P                 922,500
             2,000,000    (Assmt. Dist. No. 94-13), 5 7/8s, 9/2/17                              BB/P               1,867,500
             5,000,000    (Assmt. Dist. No. 97-17), 5 7/8s, 9/2/17                              BB/P               4,737,500
            10,510,000  Kern, High School Dist. G.O. Bonds, Ser. 14, MBIA,
                          9.184s, 2/1/13 (acquired 6/29/98,
                          cost $14,124,599) (RES)                                               Aaa               12,642,164
            14,180,000  Lake Elsinore, Pub. Fin. Auth. Tax. Alloc., Ser. C,
                          6.7s, 10/1/33                                                         BB+/P             14,020,475
            21,530,000  Los Angeles, Bldg. Auth. Rev. Bonds (CA Dept.
                          Gen Svcs.), Ser. A, MBIA, 5 5/8s, 5/1/11                              Aaa               22,767,975
               200,000  Los Angeles, Cmnty. Redev. Agcy. Multi-Fam.,
                          (Promenade Towers), 3.05s, 4/1/09
                          (Barclays Bank (LOC))                                                 Aaa                  200,000
                        Los Angeles Cnty., CA Pub. Wks. Fin. Auth.
                          Rev Bonds, Ser. A, AMBAC
             7,000,000    5 1/2s, 10/1/10                                                       Aaa                7,315,000
             8,000,000    5 1/2s, 10/1/09                                                       Aaa                8,390,000
             9,000,000    5 1/2s, 10/1/08                                                       Aaa                9,472,500
             8,000,000  Los Angeles Cnty., COP (Disney Parking Project),
                          AMBAC, 4 3/4s, 3/1/23                                                 AAA                6,960,000
             8,000,000  Los Angeles Cnty., Metropolitan Trans. Auth.
                          Rev. Bonds, Ser. B, FSA, 4 3/4s, 7/1/28                               Aaa                6,830,000
                        Los Angeles Cnty., Metropolitan Trans. Auth.
                          Sales Tax Rev. Rev. Bonds
            15,715,000    Ser. A, AMBAC, 5 1/2s, 7/1/08                                         Aaa               16,520,394
            12,150,000    Ser. A (2nd Ser.), AMBAC, 5s, 7/1/25                                  Aaa               11,010,938
             6,765,000    (1st Tier-Prop A), Ser. A, FSA, 5s, 7/1/15                            Aaa                6,519,769
            15,235,000  Los Angeles Cnty., Pub. Wks. Fin. Auth. Rev. Bonds,
                          Ser. A, MBIA, 5 3/4s, 9/1/07                                          Aaa               16,301,450
            13,000,000  Los Angeles Cnty., Sanitation Dist. Fin. Auth.
                          Rev. Bonds (Capital), Ser. A, MBIA, 5s, 10/1/23                       Aaa               11,878,750
                        Los Angeles, Convention & Exhibition Ctr.
                          Auth. Lease
            37,465,000    COP, 9s, 12/1/20                                                      Aaa               45,519,961
            19,300,000    IFB, MBIA, 6.49s, 8/15/18 (acquired 9/15/94,
                          cost $14,332,566) (RES)                                               Aaa               18,576,250
                        Los Angeles, Dept. of Wtr. & Pwr. Rev. Bonds
             5,605,000    (Waterworks), 7s, 2/15/22                                             AA                 5,717,268
            51,200,000    (Electric Plant), Ser. Issue II, 6.8s, 6/1/31                         Aa3               53,440,000
            25,000,000  Los Angeles, Harbor Dept. Rev. Bonds, 7.6s, 10/1/18                     AAA               31,250,000
            26,235,000  Los Angeles, Pension Auth. COP, Ser. A, MBIA,
                          6.9s, 6/30/08                                                         Aaa               29,973,488
                        Los Angeles, Uni. School Dist. G.O. Bonds, Ser. B,
                          FGIC
             6,380,000    5 3/8s, 7/1/14                                                        Aaa                6,451,775
             7,455,000    5 3/8s, 7/1/13                                                        Aaa                7,594,781
             5,500,000    5 3/8s, 7/1/12                                                        Aaa                5,644,375
             8,785,000    5 3/8s, 7/1/11                                                        Aaa                9,070,513
            34,700,000  Los Angeles, Wastewater Syst. IFB, 9.08s, 6/1/19
                          (acquired 12/4/97, cost $34,083,081) (RES)                            Aaa               38,864,000
                        Metropolitan Wtr. Dist. G.O. Bonds, Ser. A,
             4,000,000    5 1/4s, 3/1/14                                                        Aaa                4,005,000
             2,500,000    5 1/4s, 3/1/13                                                        Aaa                2,531,250
            20,000,000  Metropolitan Wtr. Dist. IFB (Southern CA
                          Waterworks.), 6.90s, 8/10/18                                          Aa2               21,275,000
                        Metropolitan Wtr. Dist. Rev. Bonds
            22,600,000    (Southern CA Waterworks.), 5.95s, 8/5/22                              Aa2               23,814,750
            10,000,000    Ser. A, 5 1/2s, 7/1/10                                                Aa2               10,462,500
            26,255,000    (Southern CA Waterworks.), Ser. C, 5s, 7/1/27                         Aa2               23,695,138
            33,445,000    Ser. A., 5s, 7/1/26                                                   Aa2               30,225,919
            15,000,000    (Southern CA Waterworks.), Ser. B, MBIA,
                          4 3/4s, 7/1/21                                                        Aaa               13,218,750
             8,275,000  Modesto, Dist. Fin. Auth. Rev. Bonds, Ser. A, MBIA,
                          5 3/4s, 10/1/10                                                       Aaa                8,812,875
            10,350,000  Modesto, Irr. Dist. Fin. Auth. Rev. Bonds
                          (Domestic Wtr. Project), Ser. D, AMBAC,
                          4 3/4s, 9/1/22                                                        Aaa                9,043,313
            16,600,000  Mount Diablo, Hosp. Dist. Rev. Bonds, Ser. A,
                          AMBAC, 5s, 12/1/13                                                    Aaa               16,268,000
                        Northern CA Pwr. Agcy. Multi. Cap. Fac. IFB,
             4,945,000    MBIA, 9.24s, 8/1/25                                                   AAA                5,402,413
             6,265,000    MBIA, 9.24s, 8/1/25, Prerefunded                                      AAA                7,024,631
             4,770,000    9.24s, 8/1/17                                                         AAA                5,217,188
             3,620,000    9.24s, 8/1/17, Prerefunded                                            AAA                4,077,025
                        Northern CA Pwr. Agcy. Pub. Pwr. Rev. Bonds,
                          Ser. A, AMBAC
             3,925,000    5.8s, 7/1/09                                                          AAA                4,234,094
             7,720,000    5.8s, 7/1/09, Unrefunded                                              Aaa                8,279,700
                        Northern CA Pwr. Agcy. Rev. Bonds
                          (Hydroelectric), Ser. A, MBIA
             5,780,000    5 1/4s, 7/1/12                                                        AAA                5,873,925
             5,440,000    5 1/4s, 7/1/11                                                        AAA                5,562,400
                        Oakland CA, Bldg., Auth. Rev. Bonds, AMBAC
             6,540,000    5 1/2s, 4/1/13                                                        Aaa                6,719,850
             6,295,000    5 1/2s, 4/1/12                                                        Aaa                6,515,325
             1,900,000  Oakland, VRDN (Cap. Equip.), 3.2s, 12/1/15
                          (National Westminister Bank (LOC))                                    A-1+               1,900,000
            14,800,000  Oakland, Redev. Agcy. Rev. Bonds, MBIA,
                          5.95s, 9/1/19                                                         Aaa               15,096,000
             1,800,000  Ontario, Multi-Fam. Rev. Bonds (Res. Park mtg. Ctr.),
                          Ser. A, FRB, 6.40s, 8/1/07 (Royal Bk.
                          of Canada (LOC))                                                      VMIG1              1,800,000
                        Orange Cnty., COP, Ser. A, MBIA
            14,520,000    6s, 7/1/26                                                            Aaa               14,792,250
            25,285,000    6s, 7/1/07                                                            Aaa               27,339,406
             1,600,000  Orange Cnty., Apt. Dev. VRDN (Harbor Pointe),
                          Ser. D, 3.15s, 12/1/06                                                VMIG1              1,600,000
                        Orange Cnty., Local Trans. Auth. Rev. Bonds,
                          Ser. A, MBIA
             5,000,000    5 1/2s, 2/15/09                                                       Aaa                5,243,750
             8,000,000    5 1/2s, 2/15/08                                                       Aaa                8,390,000
             7,845,000    5 1/2s, 2/15/07                                                       Aaa                8,247,056
                        Orange Cnty., Trans. Auth. Sales Tax Rev. Bonds, Ser. A
            11,445,000    5.7s, 2/15/11                                                         Aaa               12,174,619
            11,700,000    5.7s, 2/15/10                                                         Aaa               12,445,875
            13,960,000    5.7s, 2/15/09                                                         Aaa               14,832,500
             8,210,000    5.7s, 2/15/08                                                         Aaa                8,723,125
            16,830,000  Orange Cnty., Wtr. Dist. COP, Ser. A, 5s, 8/15/18                       AA                15,757,088
            12,840,000  Oxnard, Redev. Agcy. Tax Alloc. Rev. Bonds
                          (Cent. City Revitalization), Ser. A, 6 1/2s, 9/1/16                   BBB               13,209,150
            31,850,000  Palm Desert, Fin. Auth. Tax Alloc. IFB, MBIA,
                          9.10s, 4/1/22                                                         Aaa               33,561,938
            24,855,000  Pasadena, Cap. Impt. IF COP, AMBAC, 5.35s, 2/1/14                       Aaa               25,631,719
                        Pleasanton, Jt. Pwr. Fin. Auth. Rev. Bonds, Ser. B
             5,395,000    6 3/4s, 9/2/17                                                        BBB/P              5,577,081
             8,315,000    6.6s, 9/2/08                                                          BBB/P              8,626,813
             4,505,000    6 1/2s, 9/2/04                                                        BBB/P              4,713,356
             5,790,000    6 1/8s, 9/2/02                                                        BBB/P              5,920,275
            10,000,000  PR Elec. Pwr. Auth. Rev. Bonds, Ser. CC, MBIA,
                          5 1/2s, 7/1/08                                                        Aaa               10,362,500
            30,000,000  Rancho Cucamonga, Wtr. Dist. Fin. Auth. Rev. Bonds,
                          AMBAC, 6.427s, 8/17/21                                                Aaa               31,275,000
            10,400,000  Redding, Elec. Syst. Rev. Bonds, MBIA,
                          10.018s, 7/8/22                                                       Aaa               12,155,000
             1,600,000  Riverside Cnty., Hsg. Auth. Multi-Fam. Rev. Bonds
                          VRDN (Mtn. View Apts.), Ser. A, 3s, 8/1/25                            VMIG1              1,600,000
             4,250,000  Riverside Cnty., Pub. Fin. Auth. COP, 5.8s, 5/15/29                     BBB-               3,532,813
            11,790,000  Riverside Cnty., Pub. Fin. Auth. Impt. Special Assmt.
                          Bonds (Rancho Village), Ser. B, 6 1/4s, 9/2/13                        BBB               11,318,400
            11,200,000  Roseville, Cmnty. Facs. Dist. 1 Special Tax,
                          5 3/4s, 9/1/23                                                        BB+/P              9,814,000
            12,725,000  Sacramento City Fin. Auth. Lease Rev. Bonds,
                          Ser. A, AMBAC, 5 3/8s, 11/1/14                                        Aaa               12,979,500
            22,750,000  Sacramento Cnty., COP (Pub. Facs. Project),
                          AMBAC, 4 3/4s, 10/1/27                                                AAA               19,508,125
            27,000,000  Sacramento, Muni. Util. Dist. Elec. IFB, FGIC,
                          8.89s, 8/15/18                                                        Aaa               29,160,000
            12,000,000  Sacramento, Muni. Util. Dist. Elec. Rev. Bonds,
                          Ser. A, MBIA, 6 1/4s, 8/15/10                                         Aaa               13,275,000
             5,000,000  Sacramento, Special Tax Bonds (Northern
                          Natomas Cmnty. Fac.), Ser. 4-A, 5.7s, 9/1/23                          BB/P               4,450,000
                        San Diego Cnty., COP
             4,000,000    (Burnham Institute), 6 1/4s, 9/1/29                                   Ba3                3,950,000
            15,800,000    AMBAC, 5 1/4s, 9/1/06                                                 Aaa               16,293,750
            10,000,000    (Downtown Courthouse), AMBAC,
                          4 1/2s, 5/1/23                                                        Aaa                8,337,500
            21,400,000  San Diego Cnty., IF COP, MBIA, 6.36s, 11/18/19                          Aaa               22,068,750
            12,000,000  San Diego Cnty., Wtr. Auth. Wrt. Rev. COP, Ser. A,
                          FGIC, 5s, 5/1/14                                                      Aaa               11,730,000
             5,000,000  San Diego Cnty., Wtr. Auth. COP, Ser. A,
                          5 3/4s, 5/1/11                                                        Aa3                5,343,750
                        San Diego Cnty., Wtr. Auth. IF COP
            20,000,000    Ser. 91-B, MBIA, 8.02s, 4/8/21                                        Aaa               23,825,000
            28,350,000    Ser. B, MBIA, 8.02s, 4/21/11                                          Aaa               34,409,813
            10,000,000  San Diego, Conv. Ctr. Expansion Fing Auth. Lease
                          Rev. Bonds, Ser. A, 4 3/4s, 4/1/28                                    Aaa                8,550,000
            15,350,000  San Diego, Pub. Fac. Fin. Auth. Swr. Rev. Bonds,
                          FGIC, 5s, 5/15/25                                                     Aaa               13,930,125
                        San Diego, Regl. Bldg. Auth. Lease COP, MBIA
             8,425,000    6.9s, 5/1/23                                                          Aaa                9,162,188
             7,250,000    6.85s, 5/1/13                                                         Aaa                7,621,563
               175,000  San Diego, Single Fam. Mtge. Rev. Bonds,
                          zero %, 8/1/16                                                        A3                    36,969
            20,500,000  San Diego, Wtr. Util. Rev. Bonds, FGIC,
                          4 3/4s, 8/1/28                                                        Aaa               17,527,500
            15,000,000  San Francisco, City & Cnty. Arpt. Rev. Bonds,
                          FSA, 4 3/4s, 5/1/29                                                   AAA               12,900,000
            32,300,000  San Francisco, City & Cnty. G.O. Bonds, Ser. 1,
                          FGIC, 5 3/4s, 6/15/07                                                 Aaa               34,520,625
                        San Francisco, City & Cnty. Arpt. Comm. Intl. Arpt.
                          Rev. Bonds, Ser. 22, AMBAC
             3,670,000    5 1/4s, 5/1/13                                                        Aaa                3,660,825
             3,490,000    5 1/4s, 5/1/12                                                        Aaa                3,507,450
             3,315,000    5 1/4s, 5/1/11                                                        AAA                3,352,294
            10,000,000  San Francisco, Rapid Transit Dist. Sales Tax
                          Rev. Bonds, 5 1/2s, 7/1/09                                            A3                10,500,000
            10,000,000  San Francisco, State Bldg. Auth. Lease Rev. Bonds
                          (San Francisco Civic Ctr. Complex), Ser. A,
                          AMBAC, 5 1/4s, 12/1/21                                                Aaa                9,525,000
             1,200,000  San Jacinto, U. School Dist. IF COP, FSA,
                          3 1/4s, 9/1/27                                                        VMIG1              1,200,000
                        San Joaquin Cnty., COP (General Hosp.)
             5,790,000    5 1/4s, 9/1/14                                                        Aaa                5,746,575
             5,040,000    5 1/4s, 9/1/13                                                        Aaa                5,046,300
             5,250,000    5 1/4s, 9/1/12                                                        Aaa                5,295,938
                        San Joaquin Hills, Trans. Corridor Agcy. Toll Road
                          Rev. Bonds, Ser. A
            77,825,000    Sr. Lien, 6 3/4s, 1/1/32                                              Aaa               83,759,156
            10,000,000    MBIA, 5 1/4s, 1/15/30                                                 Aaa                9,300,000
            34,125,000    5s, 1/1/33                                                            Baa3              28,281,094
            25,000,000    MBIA, zero %, 1/15/32                                                 AAA                3,812,500
            21,625,000    MBIA, zero %, 1/15/23                                                 AAA                5,676,563
            29,100,000  San Jose, Redev. Agcy. Tax Alloc. Rev. Bonds
                          (Merged Area Redev), MBIA, 4 3/4s, 8/1/24                             Aaa               25,171,500
                        San Marcos, Pub. Fac. Auth. Rev. Bonds
             3,000,000    5.8s, 9/1/27                                                          BB-/P              2,666,250
             1,635,000    5.8s, 9/1/18                                                          BB-/P              1,534,856
             3,000,000    5 1/2s, 9/1/10                                                        BB-/P              2,932,500
            40,000,000  San Mateo Cnty., Jt. Pwr. Fin. Auth. Rev. Bonds,
                          FSA, 5 3/4s, 7/15/29                                                  Aaa               42,400,000
             5,000,000  Santa Ana, COP (City Hall Expansion), FSA,
                          4.7s, 1/1/28                                                          Aaa                4,237,500
            35,600,000  Santa Clara, Wtr. Dist. Rev. Bonds, FGIC,
                          5 3/4s, 2/1/15                                                        Aaa               36,534,500
             7,525,000  Sierra View, Health Care Dist. Rev. Bonds LOC,
                          5.4s, 7/1/22                                                          BBB-               5,897,719
            45,200,000  South Orange Cnty., Pub. Fin. Auth. Rev. Bonds,
                          FGIC, 5 1/2s, 8/15/15                                                 Aaa               45,482,500
                        Southern CA Pub. Pwr. Auth. Rev. Bonds
             5,465,000    (Southern transmission), Ser. A, MBIA,
                          5 1/4s, 7/1/11                                                        Aaa                5,587,963
            42,690,000    (Mead Adelanto), Ser. A, AMBAC, 4 7/8s, 7/1/20                        Aaa               38,741,175
             3,000,000  Stockton, Cmnty. Fac. Dist. Spl. Tax. Rev. Bonds
                          (Mello Roos-Weston Ranch), Ser. A, 5.8s, 9/1/14                       BB+/P              2,760,000
             1,000,000  Stockton, Multi-Fam. Hsg. VRDN (Mariners
                          Pointe Assoc.), Ser. A, 3 1/4s, 9/1/18                                A-1+               1,000,000
            11,450,000  Sunnyvale, Special Tax, 6 3/4s, 8/1/02                                  BB+/P             11,450,000
                        Thousand Oaks, Cmnty. Fac. Dist. Special Tax
                          Rev. Bonds (No. 94-1)
            21,775,000    6 7/8s, 9/1/24                                                        B/P               21,829,438
            33,000,000    zero %, 9/1/14                                                        B/P               12,086,250
            10,195,000  U. of CA Hosp. Med. Center Rev. Bonds, AMBAC,
                          5.7s, 7/1/11                                                          Aaa               10,602,800
            38,932,000  U. of CA Rev. Bonds (UCSD Med. Ctr. Satellite
                          Med. Fac.), 7.9s, 12/1/19                                             A-/P              39,350,908
            10,000,000  Vallejo, COP (Marine World Foundation),
                          7.2s, 2/1/26                                                          BB+/P             10,587,500
            36,945,000  Valley Hlth. Syst. COP, 6 7/8s, 5/15/23                                 BB+/P             35,282,475
             6,885,000  Valley Hlth. Syst. Hosp. Rev. Bonds, Ser. A,
                          6 1/2s, 5/15/15                                                       BBB-               6,446,081
             1,700,000  Vallejo, Hsg. Auth. VRDN, 3 1/4s, 1/1/08                                VMIG1              1,700,000
                                                                                                            ----------------
                                                                                                               3,062,023,968

Puerto Rico (1.6%)
- ----------------------------------------------------------------------------------------------------------------------------
             9,010,000  Cnmwlth. of PR, G.O. Bonds, MBIA, 5 3/4s, 7/1/11                        A                  9,573,125
             9,000,000  Cmnwlth. of PR, Infrastructure Fin. Auth.
                          Rev. Bonds, Ser. A, AMBAC, 5 1/2s, 7/1/08                             Aaa                9,326,250
                        Cmnwlth. of PR, Pub. Impt. G.O. Bonds, FSA
             8,500,000    5 1/2s, 7/1/11                                                        AAA                8,850,625
             5,000,000    5 1/2s, 7/1/10                                                        AAA                5,206,250
             7,215,000    5 1/2s, 7/1/09                                                        AAA                7,512,619
            10,000,000  PR Elec. Pwr. Auth. Rev. Bonds, Ser. AA, MBIA,
                          5 3/8s, 7/1/27                                                        Aaa                9,500,000
                                                                                                            ----------------
                                                                                                                  49,968,869
- ----------------------------------------------------------------------------------------------------------------------------
                        Total Investments (cost $2,994,962,920) (b)                                         $  3,111,992,837
- ----------------------------------------------------------------------------------------------------------------------------

</TABLE>

  (a) Percentages indicated are based on net assets of $3,128,856,755.

(RAT) The Moody's or Standard & Poor's ratings indicated are believed to
      be the most recent ratings available at March 31, 2000 for the
      securities listed. Ratings are generally ascribed to securities at the
      time of issuance. While the agencies may from time to time revise such
      ratings, they undertake no obligation to do so, and the ratings do not
      necessarily represent what the agencies would ascribe to these
      securities at March 31, 2000. Securities rated by Putnam are indicated
      by "/P" and are not publicly rated.

  (b) The aggregate identified cost on a tax basis is $2,996,740,955,
      resulting in gross unrealized appreciation and depreciation of
      $173,268,039 and $58,016,157, respectively, or net unrealized
      appreciation of $115,251,882.

(SEG) A portion of this security was pledged and segregated with the
      custodian to cover margin requirements for futures contracts at March
      31, 2000.

(RES) Restricted, excluding 144A securities, as to public
      resale. The total market value of restricted securities held at March
      31, 2000 was $156,537,289 or 5.00% of net assets.

      The rates shown on Floating Rate Bonds (FRB) are the current
      interest rates shown at March 31, 2000, which are subject to change
      based on the terms of the security.

      The rates shown on IFB and IF COP, which are securities paying
      interest rates that vary inversely to changes in the market interest
      rates, and VRDN's are the current interest rates at March 31, 2000.

      The fund had the following industry group concentrations greater
      than 10% at March 31, 2000 (as a percentage of net assets):

        Water and sewer               16.6%
        Transportation                16.0
        Utilities                     10.6
        Health care/hospitals         10.6

      The fund had the following insurance concentrations greater than
      10% at March 31, 2000 (as a percentage of net assets):

        MBIA                          23.6%
        AMBAC                         13.9

- ----------------------------------------------------------------------------
Futures Contracts Outstanding at March 31, 2000 (Unaudited)

                                 Aggregate Face   Expiration     Unrealized
                   Total Value       Value           Date       Depreciation
- ----------------------------------------------------------------------------
US Treasury
Bond (Short)       $92,607,750    $90,120,541       Jun-00      $(2,487,209)
- ----------------------------------------------------------------------------


<TABLE>
<CAPTION>

Statement of assets and liabilities
March 31, 2000 (Unaudited)

Assets
- ----------------------------------------------------------------------------------------------
<S>                                                                            <C>
Investments in securities, at value
(identified cost $2,994,962,920) (Note 1)                                       $3,111,992,837
- ----------------------------------------------------------------------------------------------
Cash                                                                                   580,322
- ----------------------------------------------------------------------------------------------
Interest and other receivables                                                      42,484,254
- ----------------------------------------------------------------------------------------------
Receivable for shares of the fund sold                                               3,176,389
- ----------------------------------------------------------------------------------------------
Total assets                                                                     3,158,233,802

Liabilities
- ----------------------------------------------------------------------------------------------
Payable for variation margin                                                           474,000
- ----------------------------------------------------------------------------------------------
Distributions payable to shareholders                                                7,276,124
- ----------------------------------------------------------------------------------------------
Payable for securities purchased                                                    11,450,000
- ----------------------------------------------------------------------------------------------
Payable for shares of the fund repurchased                                           4,753,981
- ----------------------------------------------------------------------------------------------
Payable for compensation of Manager (Note 2)                                         3,533,847
- ----------------------------------------------------------------------------------------------
Payable for investor servicing and custodian fees (Note 2)                              87,027
- ----------------------------------------------------------------------------------------------
Payable for compensation of Trustees (Note 2)                                           48,433
- ----------------------------------------------------------------------------------------------
Payable for administrative services (Note 2)                                             6,980
- ----------------------------------------------------------------------------------------------
Payable for distribution fees (Note 2)                                               1,681,457
- ----------------------------------------------------------------------------------------------
Other accrued expenses                                                                  65,198
- ----------------------------------------------------------------------------------------------
Total liabilities                                                                   29,377,047
- ----------------------------------------------------------------------------------------------
Net assets                                                                      $3,128,856,755

Represented by
- ----------------------------------------------------------------------------------------------
Paid-in capital (Notes 1 and 4)                                                 $3,035,110,075
- ----------------------------------------------------------------------------------------------
Undistributed net investment income (Note 1)                                         3,944,757
- ----------------------------------------------------------------------------------------------
Accumulated net realized loss on investments (Note 1)                              (24,740,785)
- ----------------------------------------------------------------------------------------------
Net unrealized appreciation of investments                                         114,542,708
- ----------------------------------------------------------------------------------------------
Total -- Representing net assets applicable to
capital shares outstanding                                                      $3,128,856,755

Computation of net asset value and offering price
- ----------------------------------------------------------------------------------------------
Net asset value and redemption price per class A share
($2,558,608,008 divided by 312,117,518 shares)                                           $8.20
- ----------------------------------------------------------------------------------------------
Offering price per class A share (100/95.25 of $8.20)*                                   $8.61
- ----------------------------------------------------------------------------------------------
Net asset value and offering price per class B share
($550,496,225 divided by 67,225,152 shares)**                                            $8.19
- ----------------------------------------------------------------------------------------------
Net asset value and offering price per class C share
($3,343,445 divided by 406,968 shares)**                                                 $8.22
- ----------------------------------------------------------------------------------------------
Net asset value and redemption price per class M share
($16,409,077 divided by 2,005,343 shares)                                                $8.18
- ----------------------------------------------------------------------------------------------
Offering price per class M share (100/96.75 of $8.18)***                                 $8.45
- ----------------------------------------------------------------------------------------------

  * 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.

 ** Redemption price per share is equal to net asset value less any
    applicable contingent deferred sales charge.

*** 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.

</TABLE>

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


<TABLE>
<CAPTION>

Statement of operations
Six months ended March 31, 2000 (Unaudited)

<S>                                                                               <C>
Tax exempt interest income:                                                        $97,460,253
- ----------------------------------------------------------------------------------------------

Expenses:
- ----------------------------------------------------------------------------------------------
Compensation of Manager (Note 2)                                                     7,269,916
- ----------------------------------------------------------------------------------------------
Investor servicing and custodian fees (Note 2)                                         895,792
- ----------------------------------------------------------------------------------------------
Compensation of Trustees (Note 2)                                                       29,733
- ----------------------------------------------------------------------------------------------
Administrative services (Note 2)                                                        14,170
- ----------------------------------------------------------------------------------------------
Distribution fees -- Class A (Note 2)                                                2,607,182
- ----------------------------------------------------------------------------------------------
Distribution fees -- Class B (Note 2)                                                2,449,557
- ----------------------------------------------------------------------------------------------
Distribution fees -- Class C (Note 2)                                                   10,208
- ----------------------------------------------------------------------------------------------
Distribution fees -- Class M (Note 2)                                                   38,766
- ----------------------------------------------------------------------------------------------
Reports to shareholders                                                                  3,821
- ----------------------------------------------------------------------------------------------
Auditing                                                                                17,910
- ----------------------------------------------------------------------------------------------
Legal                                                                                   32,904
- ----------------------------------------------------------------------------------------------
Postage                                                                                 33,144
- ----------------------------------------------------------------------------------------------
Other                                                                                  221,913
- ----------------------------------------------------------------------------------------------
Total expenses                                                                      13,625,016
- ----------------------------------------------------------------------------------------------
Expense reduction (Note 2)                                                            (282,977)
- ----------------------------------------------------------------------------------------------
Net expenses                                                                        13,342,039
- ----------------------------------------------------------------------------------------------
Net investment income                                                               84,118,214
- ----------------------------------------------------------------------------------------------
Net realized gain on investments (Notes 1 and 3)                                     5,202,616
- ----------------------------------------------------------------------------------------------
Net realized gain on futures contracts (Note 1)                                         27,777
- ----------------------------------------------------------------------------------------------
Net unrealized depreciation of investments and futures during the period           (30,468,208)
- ----------------------------------------------------------------------------------------------
Net loss on investments                                                            (25,237,815)
- ----------------------------------------------------------------------------------------------
Net increase in net assets resulting from operations                               $58,880,399
- ----------------------------------------------------------------------------------------------

</TABLE>

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


<TABLE>
<CAPTION>

Statement of changes in net assets

                                                                    Six months ended         Year ended
                                                                            March 31       September 30
                                                                                2000*              1999
- -------------------------------------------------------------------------------------------------------
<S>                                                                 <C>                <C>
Decrease in net assets
- -------------------------------------------------------------------------------------------------------
Operations:
- -------------------------------------------------------------------------------------------------------
Net investment income                                                 $   84,118,214     $  171,706,496
- -------------------------------------------------------------------------------------------------------
Net realized gain on investments                                           5,230,393          9,290,056
- -------------------------------------------------------------------------------------------------------
Net unrealized depreciation of investments                               (30,468,208)      (254,103,995)
- -------------------------------------------------------------------------------------------------------
Net increase (decrease) in net assets resulting
from operations                                                           58,880,399        (73,107,443)
- -------------------------------------------------------------------------------------------------------
Distributions to shareholders:
- -------------------------------------------------------------------------------------------------------
From net investment income
   Class A                                                               (70,210,234)      (145,190,669)
- -------------------------------------------------------------------------------------------------------
   Class B                                                               (13,650,841)       (27,516,818)
- -------------------------------------------------------------------------------------------------------
   Class C                                                                   (46,382)            (2,056)
- -------------------------------------------------------------------------------------------------------
   Class M                                                                  (395,933)          (810,742)
- -------------------------------------------------------------------------------------------------------
From net realized gain on investments
   Class A                                                                        --        (16,229,723)
- -------------------------------------------------------------------------------------------------------
   Class B                                                                        --         (3,456,456)
- -------------------------------------------------------------------------------------------------------
   Class M                                                                        --            (84,929)
- -------------------------------------------------------------------------------------------------------
Decrease from capital share transactions (Note 4)                       (233,126,029)       (76,044,936)
- -------------------------------------------------------------------------------------------------------
Total decrease in net assets                                            (258,549,020)      (342,443,772)

Net assets
- -------------------------------------------------------------------------------------------------------
Beginning of period                                                    3,387,405,775      3,729,849,547
- -------------------------------------------------------------------------------------------------------
End of period (including undistributed net investment
income of $3,944,757 and $4,129,933, respectively)                    $3,128,856,755     $3,387,405,775
- -------------------------------------------------------------------------------------------------------

* Unaudited

</TABLE>

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


<TABLE>
<CAPTION>

Financial highlights
(For a share outstanding throughout the period)

CLASS A
- --------------------------------------------------------------------------------------------------------------------------
                                     Six months
                                          ended
Per-share                              March 31
operating performance               (Unaudited)                                Year ended September 30
- --------------------------------------------------------------------------------------------------------------------------
                                           2000           1999           1998           1997           1996           1995
- --------------------------------------------------------------------------------------------------------------------------
<S>                                <C>            <C>            <C>            <C>            <C>            <C>
Net asset value,
beginning of period                       $8.25          $8.89          $8.71          $8.46          $8.37          $8.09
- --------------------------------------------------------------------------------------------------------------------------
Investment operations
- --------------------------------------------------------------------------------------------------------------------------
Net investment income                       .22            .42(c)         .44(c)         .44            .47            .48
- --------------------------------------------------------------------------------------------------------------------------
Net realized and unrealized
gain (loss) on investments                 (.05)          (.59)           .21            .28            .09            .31
- --------------------------------------------------------------------------------------------------------------------------
Total from
investment operations                       .17           (.17)           .65            .72            .56            .79
- --------------------------------------------------------------------------------------------------------------------------
Less distributions:
- --------------------------------------------------------------------------------------------------------------------------
From net
investment income                          (.22)          (.42)          (.43)          (.45)          (.47)          (.48)(d)
- --------------------------------------------------------------------------------------------------------------------------
From net realized gain
on investments                               --           (.05)          (.04)          (.02)            --             --
- --------------------------------------------------------------------------------------------------------------------------
In excess of net realized
gain on investments                          --             --             --             --             --           (.03)
- --------------------------------------------------------------------------------------------------------------------------
Total distributions                        (.22)          (.47)          (.47)          (.47)          (.47)          (.51)
- --------------------------------------------------------------------------------------------------------------------------
Net asset value,
end of period                             $8.20          $8.25          $8.89          $8.71          $8.46          $8.37
- --------------------------------------------------------------------------------------------------------------------------

Ratios and supplemental data
- --------------------------------------------------------------------------------------------------------------------------
Total return at
net asset value (%)(a)                     2.11*         (2.01)          7.75           8.71           6.81          10.07
- --------------------------------------------------------------------------------------------------------------------------
Net assets, end of period
(in thousands)                       $2,558,608     $2,754,624     $3,073,178     $3,087,795     $3,149,797     $3,168,277
- --------------------------------------------------------------------------------------------------------------------------
Ratio of expenses to
average net assets (%)(b)                   .37*           .77            .77            .74            .74            .74
- --------------------------------------------------------------------------------------------------------------------------
Ratio of net investment income
to average net assets (%)                  2.69*          4.85           5.06           5.20           5.60           5.86
- --------------------------------------------------------------------------------------------------------------------------
Portfolio turnover (%)                     3.59*         13.91          30.88          23.51          29.47          47.73
- --------------------------------------------------------------------------------------------------------------------------
    + Commencement of operations.

    * Not annualized.

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

  (b) Includes amounts paid through expense offset arrangements (Note 2).

  (c) Per share net investment income has been determined on the basis of the weighted average number of shares
      outstanding during the period.

  (d) Distributions in excess of net investment income amounted to less than $0.01 per share for each class.

</TABLE>



<TABLE>
<CAPTION>

Financial highlights
(For a share outstanding throughout the period)

CLASS B
- --------------------------------------------------------------------------------------------------------------------------
                                     Six months
                                          ended
Per-share                              March 31
operating performance               (Unaudited)                                Year ended September 30
- --------------------------------------------------------------------------------------------------------------------------
                                           2000           1999           1998           1997           1996           1995
- --------------------------------------------------------------------------------------------------------------------------
<S>                                <C>            <C>            <C>            <C>            <C>            <C>
Net asset value,
beginning of period                       $8.24          $8.88          $8.70          $8.45          $8.37          $8.08
- --------------------------------------------------------------------------------------------------------------------------
Investment operations
- --------------------------------------------------------------------------------------------------------------------------
Net investment income                       .19            .36(c)         .39(c)         .39            .42            .42
- --------------------------------------------------------------------------------------------------------------------------
Net realized and unrealized
gain (loss) on investments                 (.05)          (.58)           .21            .27            .07            .32
- --------------------------------------------------------------------------------------------------------------------------
Total from
investment operations                       .14           (.22)           .60            .66            .49            .74
- --------------------------------------------------------------------------------------------------------------------------
Less distributions:
- --------------------------------------------------------------------------------------------------------------------------
From net
investment income                          (.19)          (.37)          (.38)          (.39)          (.41)          (.42)(d)
- --------------------------------------------------------------------------------------------------------------------------
From net realized gain
on investments                               --           (.05)          (.04)          (.02)            --             --
- --------------------------------------------------------------------------------------------------------------------------
In excess of net realized
gain on investments                          --             --             --             --             --           (.03)
- --------------------------------------------------------------------------------------------------------------------------
Total distributions                        (.19)          (.42)          (.42)          (.41)          (.41)          (.45)
- --------------------------------------------------------------------------------------------------------------------------
Net asset value,
end of period                             $8.19          $8.24          $8.88          $8.70          $8.45          $8.37
- --------------------------------------------------------------------------------------------------------------------------

Ratios and supplemental data
- --------------------------------------------------------------------------------------------------------------------------
Total return at
net asset value (%)(a)                     1.78*         (2.65)          7.05           8.02           5.99           9.47
- --------------------------------------------------------------------------------------------------------------------------
Net assets, end of period
(in thousands)                         $550,496       $616,446       $641,686       $573,309       $510,394       $416,367
- --------------------------------------------------------------------------------------------------------------------------
Ratio of expenses to
average net assets (%)(b)                   .69*          1.42           1.42           1.39           1.39           1.39
- --------------------------------------------------------------------------------------------------------------------------
Ratio of net investment income
to average net assets (%)                  2.37*          4.21           4.41           4.54           4.94           5.17
- --------------------------------------------------------------------------------------------------------------------------
Portfolio turnover (%)                     3.59*         13.91          30.88          23.51          29.47          47.73
- --------------------------------------------------------------------------------------------------------------------------
    + Commencement of operations.

    * Not annualized.

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

  (b) Includes amounts paid through expense offset arrangements (Note 2).

  (c) Per share net investment income has been determined on the basis of the weighted average number
      of shares outstanding during the period.

  (d) Distributions in excess of net investment income amounted to less than $0.01 per share for each class.

</TABLE>



<TABLE>
<CAPTION>

Financial highlights
(For a share outstanding throughout the period)

CLASS C
- --------------------------------------------------------------------------------------------------------------------------
                                     Six months
                                          ended For the period
Per-share                              March 31  July 26, 1999+
operating performance               (Unaudited)    to Sept. 30
- --------------------------------------------------------------------------------------------------------------------------
                                           2000           1999
- --------------------------------------------------------------------------------------------------------------------------
<S>                                <C>            <C>
Net asset value,
beginning of period                       $8.26          $8.47
- --------------------------------------------------------------------------------------------------------------------------
Investment operations
- --------------------------------------------------------------------------------------------------------------------------
Net investment income                       .19            .04(c)
- --------------------------------------------------------------------------------------------------------------------------
Net realized and unrealized
gain (loss) on investments                 (.04)          (.18)
- --------------------------------------------------------------------------------------------------------------------------
Total from
investment operations                       .15           (.14)
- --------------------------------------------------------------------------------------------------------------------------
Less distributions:
- --------------------------------------------------------------------------------------------------------------------------
From net
investment income                          (.19)          (.07)
- --------------------------------------------------------------------------------------------------------------------------
From net realized gain
on investments                               --             --
- --------------------------------------------------------------------------------------------------------------------------
In excess of net realized
gain on investments                          --             --
- --------------------------------------------------------------------------------------------------------------------------
Total distributions                        (.19)          (.07)
- --------------------------------------------------------------------------------------------------------------------------
Net asset value,
end of period                             $8.22          $8.26
- --------------------------------------------------------------------------------------------------------------------------

Ratios and supplemental data
- --------------------------------------------------------------------------------------------------------------------------
Total return at
net asset value (%)(a)                     1.93*         (1.70)*
- --------------------------------------------------------------------------------------------------------------------------
Net assets, end of period
(in thousands)                           $3,343         $1,018
- --------------------------------------------------------------------------------------------------------------------------
Ratio of expenses to
average net assets (%)(b)                   .77*           .29*
- --------------------------------------------------------------------------------------------------------------------------
Ratio of net investment income
to average net assets (%)                  2.29*           .81*
- --------------------------------------------------------------------------------------------------------------------------
Portfolio turnover (%)                     3.59*         13.91
- --------------------------------------------------------------------------------------------------------------------------
    + Commencement of operations.

    * Not annualized.

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

  (b) Includes amounts paid through expense offset arrangements (Note 2).

  (c) Per share net investment income has been determined on the basis of the weighted average number of shares
      outstanding during the period.

  (d) Distributions in excess of net investment income amounted to less than $0.01 per share for each class.

</TABLE>



<TABLE>
<CAPTION>

Financial highlights
(For a share outstanding throughout the period)

CLASS M
- --------------------------------------------------------------------------------------------------------------------------
                                       Six months
                                          ended                                                             For the period
Per-share                               March 31                                                             Feb. 14, 1995+
operating performance                  (Unaudited)                     Year ended September 30                 to Sept. 30
- --------------------------------------------------------------------------------------------------------------------------
                                           2000           1999           1998           1997           1996           1995
- --------------------------------------------------------------------------------------------------------------------------
<S>                                <C>            <C>            <C>            <C>            <C>            <C>
Net asset value,
beginning of period                       $8.24          $8.88          $8.70          $8.45          $8.36          $8.13
- --------------------------------------------------------------------------------------------------------------------------
Investment operations
- --------------------------------------------------------------------------------------------------------------------------
Net investment income                       .21            .38(c)         .41(c)         .42            .45            .29
- --------------------------------------------------------------------------------------------------------------------------
Net realized and unrealized
gain (loss) on investments                 (.06)          (.57)           .22            .27            .08            .24
- --------------------------------------------------------------------------------------------------------------------------
Total from
investment operations                       .15           (.19)           .63            .69            .53            .53
- --------------------------------------------------------------------------------------------------------------------------
Less distributions:
- --------------------------------------------------------------------------------------------------------------------------
From net
investment income                          (.21)          (.40)          (.41)          (.42)          (.44)          (.30)(d)
- --------------------------------------------------------------------------------------------------------------------------
From net realized gain
on investments                               --           (.05)          (.04)          (.02)            --             --
- --------------------------------------------------------------------------------------------------------------------------
In excess of net realized
gain on investments                          --             --             --             --             --             --
- --------------------------------------------------------------------------------------------------------------------------
Total distributions                        (.21)          (.45)          (.45)          (.44)          (.44)          (.30)
- --------------------------------------------------------------------------------------------------------------------------
Net asset value,
end of period                             $8.18          $8.24          $8.88          $8.70          $8.45          $8.36
- --------------------------------------------------------------------------------------------------------------------------

Ratios and supplemental data
- --------------------------------------------------------------------------------------------------------------------------
Total return at
net asset value (%)(a)                     1.83*         (2.31)          7.43           8.39           6.48           6.56*
- --------------------------------------------------------------------------------------------------------------------------
Net assets, end of period
(in thousands)                          $16,409        $15,318        $14,986        $13,898         $9,149         $4,108
- --------------------------------------------------------------------------------------------------------------------------
Ratio of expenses to
average net assets (%)(b)                   .52*          1.07           1.07           1.04           1.04            .69*
- --------------------------------------------------------------------------------------------------------------------------
Ratio of net investment income
to average net assets (%)                  2.54*          4.56           4.76           4.92           5.24           3.52*
- --------------------------------------------------------------------------------------------------------------------------
Portfolio turnover (%)                     3.59*         13.91          30.88          23.51          29.47          47.73
- --------------------------------------------------------------------------------------------------------------------------
    + Commencement of operations.

    * Not annualized.

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

  (b) Includes amounts paid through expense offset arrangements (Note 2).

  (c) Per share net investment income has been determined on the basis of the weighted average number of shares
      outstanding during the period.

  (d) Distributions in excess of net investment income amounted to less than $0.01 per share for each class.

</TABLE>


Notes to financial statements
March 31, 2000 (Unaudited)

Note 1
Significant accounting policies

Putnam California Tax Exempt Income Fund (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 California personal
income tax as Putnam Investment Management, Inc. ("Putnam Management"),
the fund's manager, a wholly-owned subsidiary of Putnam Investments,
Inc., believes is consistent with preservation of capital by investing
primarily in a diversified portfolio of longer-term California tax
exempt securities.

The fund offers class A, class B, class C and class M shares. Class A
shares are sold with a maximum front-end sales charge of 4.75%. Class B
shares, which convert to class A shares after approximately eight years,
do not pay a front-end sales charge but pay a higher ongoing
distribution fee than class A shares, and are subject to a contingent
deferred sales charge, if those shares are redeemed within six years of
purchase. Class C shares have a higher ongoing distribution fee than
class B shares and have a one year 1.00% contingent deferred sales
charge and do not convert to class A shares. Class M shares are sold
with a maximum front end sales charge of 3.25% and pay an ongoing
distribution fee that is higher than class A shares but lower than class
B and class C shares.

Expenses of the fund are borne pro-rata by the holders 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 preparation of financial statements is in conformity
with generally accepted accounting principles and requires management
to make estimates and assumptions that affect the reported amounts of
assets and liabilities of the financial statements and the reported
amounts of increases and decreases in net assets from operations during
the reporting period. Actual results could differ from those estimates.

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

B) Security transactions and related investment income Security
transactions are accounted for on the trade date (date the order to buy
or sell is executed). Gains or losses on securities sold are determined
on the identified cost basis.

Interest income is recorded on the accrual basis. Securities purchased
or sold on a when-issued or delayed delivery basis may be settled a
month or more after the trade date; interest income is accrued based on
the terms of the security. Losses may arise due to changes in the market
value of the underlying securities or if the counterparty does not
perform under the contract.

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

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

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

D) Line of credit The fund has entered into a committed line of credit
with certain banks. This line of credit agreement includes restrictions
that the fund maintain an asset coverage ratio of at least 300% and
borrowings must not exceed prospectus limitations. For the six months
ended March 31, 2000, the fund had no borrowings against the line of
credit.

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, as amended. Therefore, no
provision has been made for federal taxes on income, capital gains or
unrealized appreciation on securities held nor for excise tax
on income and capital gains.

F) Distributions to shareholders Income dividends are recorded daily by
the fund and are paid monthly. Capital gain distributions, if any, are
recorded on the ex-dividend date and paid at least annually. The amount
and character of income and gains to be distributed are determined in
accordance with income tax regulations which may differ from generally
accepted accounting principles. Reclassifications are made to the fund's
capital accounts to reflect income and gains available for distribution
(or available capital loss carryovers) under income tax regulations.

G) Amortization of bond premium and accretion of bond discount Any
premium resulting from the purchase of securities in excess of maturity
value is amortized on a yield-to-maturity basis. The premium in excess
of the call price, if any, is amortized to the call date; thereafter,
the remaining excess premium is amortized to maturity. Discounts on zero
coupon bonds and original issue discount bonds are accreted according to
the yield-to-maturity basis.

Note 2
Management fee, administrative services and other transactions

Compensation of Putnam Management, for management and investment
advisory services is paid quarterly based on the average net assets of
the fund, at the lesser of (i) an annual rate of 0.50% of the average
net asset value of the fund or (ii) the following annual rates expressed
as a percentage of the fund's average net assets: 0.60% of the first
$500 million, 0.50% of the next $500 million, 0.45% of the next $500
million, 0.40% of the next $5 billion, 0.375% of the next $5 billion,
0.355% of the next $5 billion, 0.34% of the next $5 billion, and 0.33%
thereafter.

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

Custodial functions for the fund's assets are provided by Putnam
Fiduciary Trust Company (PFTC), a subsidiary of Putnam Investments, Inc.
Investor servicing agent functions are provided by Putnam Investor
Services, a division of PFTC.

For the six months ended March 31, 2000, fund expenses were reduced by
$282,977 under expense offset arrangements with PFTC. Investor servicing
and custodian fees reported in the Statement of operations exclude these
credits. The fund could have invested a portion of the assets utilized
in connection with the expense offset arrangements in an income
producing asset if it had not entered into such arrangements.

Each Trustee of the fund receives an annual Trustee fee, of which $2,657
has been allocated to the fund, and an additional fee for each Trustee's
meeting attended. Trustees receive additional fees for attendance at
certain committee meetings.

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

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

The fund has adopted distribution plans (the "Plans") with respect to
its class A, class B, class C 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 Plans provide for payments by
the fund to Putnam Mutual Funds Corp. at an annual rate up to 0.35%,
1.00%,  1.00% and 1.00% of the average net assets attributable to class
A, class B, class C and class M shares, respectively. The Trustees have
approved payment by the fund to an annual rate of 0.20%, 0.85%, 1.00%
and 0.50% of the average net assets attributable to class A, class B,
class C and class M shares, respectively.

For the six months ended March 31, 2000, Putnam Mutual Funds Corp.,
acting as underwriter received net commissions of $52,719 and $327 from
the sale of class A and class M shares, respectively, and received
$817,236 and $103 in contingent deferred sales charges from redemptions
of class B and class C shares, respectively. A deferred sales charge of
up to 1% is assessed on certain redemptions of class A shares. For the
six months ended March 31, 2000, Putnam Mutual Funds Corp., acting as
underwriter received $68,079 on class A redemptions.

Note 3
Purchases and sales of securities

During the six months ended March 31, 2000, cost of purchases and
proceeds from sales of investment securities other than short-term
investments aggregated $114,782,573 and $335,255,273, respectively.
Purchases and sales of short-term municipal obligations aggregated
$155,050,000 and $145,450,000, respectively.

Note 4
Capital shares

At March 31, 2000, there were an unlimited number of shares of
beneficial interest authorized. Transactions in capital shares were as
follows:

                                            Six months ended March 31, 2000
- ---------------------------------------------------------------------------
Class A                                         Shares              Amount
- ---------------------------------------------------------------------------
Shares sold                                 13,542,529        $109,167,769
- ---------------------------------------------------------------------------
Shares issued in
connection with
reinvestment of
distributions                                4,202,042          33,932,941
- ---------------------------------------------------------------------------
                                            17,744,571         143,100,710

Shares
repurchased                                (39,479,690)       (318,721,088)
- ---------------------------------------------------------------------------
Net decrease                               (21,735,119)      $(175,620,378)
- ---------------------------------------------------------------------------

                                             Year ended September 30, 1999
- ---------------------------------------------------------------------------
Class A                                         Shares              Amount
- ---------------------------------------------------------------------------
Shares sold                                 34,043,617        $294,035,932
- ---------------------------------------------------------------------------
Shares issued in
connection with
reinvestment of
distributions                                9,287,889          80,283,664
- ---------------------------------------------------------------------------
                                            43,331,506         374,319,596

Shares
repurchased                                (55,252,585)       (475,786,481)
- ---------------------------------------------------------------------------
Net decrease                               (11,921,079)      $(101,466,885)
- ---------------------------------------------------------------------------

                                           Six months ended March 31, 2000
- ---------------------------------------------------------------------------
Class B                                         Shares              Amount
- ---------------------------------------------------------------------------
Shares sold                                  2,637,668         $21,287,291
- ---------------------------------------------------------------------------
Shares issued in
connection with
reinvestment of
distributions                                  935,549           7,544,799
- ---------------------------------------------------------------------------
                                             3,573,217          28,832,090

Shares
repurchased                                (11,136,904)        (89,688,102)
- ---------------------------------------------------------------------------
Net decrease                                (7,563,687)       $(60,856,012)
- ---------------------------------------------------------------------------

                                             Year ended September 30, 1999
- ---------------------------------------------------------------------------
Class B                                         Shares              Amount
- ---------------------------------------------------------------------------
Shares sold                                 12,340,402        $107,145,509
- ---------------------------------------------------------------------------
Shares issued in
connection with
reinvestment of
distributions                                2,050,990          17,706,479
- ---------------------------------------------------------------------------
                                            14,391,392         124,851,988

Shares
repurchased                                (11,868,943)       (101,944,941)
- ---------------------------------------------------------------------------
Net increase                                 2,522,449         $22,907,047
- ---------------------------------------------------------------------------

                                           Six months ended March 31, 2000
- ---------------------------------------------------------------------------
Class C                                         Shares              Amount
- ---------------------------------------------------------------------------
Shares sold                                    288,996          $2,336,167
- ---------------------------------------------------------------------------
Shares issued in
connection with
reinvestment of
distributions                                    2,954              23,940
- ---------------------------------------------------------------------------
                                               291,950           2,360,107

Shares
repurchased                                     (8,149)            (65,001)
- ---------------------------------------------------------------------------
Net increase                                   283,801          $2,295,106
- ---------------------------------------------------------------------------

                                              For the period July 26, 1999
                                           (commencement of operations) to
                                                        September 30, 1999
- ---------------------------------------------------------------------------
Class C                                         Shares              Amount
- ---------------------------------------------------------------------------
Shares sold                                    123,087          $1,018,164
- ---------------------------------------------------------------------------
Shares issued in
connection with
reinvestment of
distributions                                      198               1,636
- ---------------------------------------------------------------------------
                                               123,285           1,019,800

Shares
repurchased                                       (118)               (979)
- ---------------------------------------------------------------------------
Net increase                                   123,167          $1,018,821
- ---------------------------------------------------------------------------

                                           Six months ended March 31, 2000
- ---------------------------------------------------------------------------
Class M                                         Shares              Amount
- ---------------------------------------------------------------------------
Shares sold                                  5,436,756         $43,653,807
- ---------------------------------------------------------------------------
Shares issued in
connection with
reinvestment of
distributions                                   37,743             304,219
- ---------------------------------------------------------------------------
                                             5,474,499          43,958,026

Shares
repurchased                                 (5,327,912)        (42,902,771)
- ---------------------------------------------------------------------------
Net increase                                   146,587          $1,055,255
- ---------------------------------------------------------------------------

                                             Year ended September 30, 1999
- ---------------------------------------------------------------------------
Class M                                         Shares              Amount
- ---------------------------------------------------------------------------
Shares sold                                 15,730,155        $134,521,486
- ---------------------------------------------------------------------------
Shares issued in
connection with
reinvestment of
distributions                                   71,587             617,194
- ---------------------------------------------------------------------------
                                            15,801,742         135,138,680

Shares
repurchased                                (15,630,504)       (133,642,599)
- ---------------------------------------------------------------------------
Net increase                                   171,238          $1,496,081
- ---------------------------------------------------------------------------

The Putnam family of funds

The following is a complete list of Putnam's open-end mutual funds.
Please call your financial advisor or Putnam at 1-800-225-1581 to obtain
a prospectus for any Putnam fund. It contains more complete information,
including charges and expenses. Please read it carefully before you
invest or send money.

GROWTH FUNDS

Asia Pacific Growth Fund

Capital Appreciation Fund

Capital Opportunities Fund

Europe Growth Fund

Global Equity Fund

Global Growth Fund

Global Natural Resources Fund

Growth Opportunities Fund

Health Sciences Trust

International Growth Fund

International New Opportunities Fund

Investors Fund

New Century Growth Fund

New Opportunities Fund

OTC & Emerging Growth Fund

Research Fund

Tax Smart Equity Fund

Vista Fund

Voyager Fund

Voyager Fund II

GROWTH AND INCOME FUNDS

Balanced Retirement Fund

Convertible Income-Growth Trust

Equity Income Fund

The George Putnam Fund of Boston

Global Growth and Income Fund

The Putnam Fund for Growth and Income

Growth and Income Fund II

International Growth and Income Fund

New Value Fund

Small Cap Value Fund

Utilities Growth and Income Fund

INCOME FUNDS

American Government Income Fund

Diversified Income Trust

Global Governmental Income Trust

High Yield Advantage Fund [DBL. DAGGER]

High Yield Trust [DBL. DAGGER]

High Yield Trust II

Income Fund

Intermediate U.S. Government Income Fund

Money Market Fund**

Preferred Income Fund

Strategic Income Fund*

U.S. Government Income Trust

TAX-FREE INCOME FUNDS

Municipal Income Fund

Tax Exempt Income Fund

Tax Exempt Money Market Fund**

Tax-Free High Yield Fund

Tax-Free Insured Fund

State tax-free income funds [SECTION MARK]

Arizona, California, Florida, Massachusetts, Michigan, Minnesota, New
Jersey, New York, Ohio and Pennsylvania

State tax-free money market funds [SECTION MARK]**
California, New York

ASSET ALLOCATION 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:

Asset Allocation: Balanced Portfolio

Asset Allocation: Conservative Portfolio

Asset Allocation: Growth Portfolio

* Formerly Putnam Diversified Income Trust II

[DBL. DAGGER] Closed to new investors. Some exceptions may apply. Contact
              Putnam for details.

[SECTION MARK] Not available in all states.

** An investment in a money market fund is not insured or guaranteed by the
   Federal Deposit Insurance Corporation or any other government agency.
   Although the funds seek to preserve your investment at $1.00 per share, it
   is possible to lose money by investing in the fund.

Check your account balances and current performance at www.putnaminv.com.

Fund information

WEB SITE

www.putnaminv.com

INVESTMENT MANAGER

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

MARKETING SERVICES

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

CUSTODIAN

Putnam Fiduciary Trust Company

LEGAL COUNSEL

Ropes & Gray

TRUSTEES

George Putnam, Chairman
William F. Pounds, Vice Chairman
John A. Hill, Vice Chairman
Jameson Adkins Baxter
Hans H. Estin
Ronald J. Jackson
Paul L. Joskow
Elizabeth T. Kennan
Lawrence J. Lasser
John H. Mullin III
Robert E. Patterson
George Putnam, III
A.J.C. Smith
W. Thomas Stephens
W. Nicholas Thorndike

OFFICERS

George Putnam
President

Charles E. Porter
Executive Vice President

Patricia C. Flaherty
Senior Vice President

John D. Hughes
Senior Vice President and Treasurer

Lawrence J. Lasser
Vice President

Gordon H. Silver
Vice President

Ian C. Ferguson
Vice President

Brett C. Browchuk
Vice President

Stephen Oristaglio
Vice President

Jerome J. Jacobs
Vice President

David E. Hamlin
Vice President and Fund Manager

Richard A. Monaghan
Vice President

Richard G. Leibovitch
Vice President

John R. Verani
Vice President

This report is for the information of shareholders of Putnam California
Tax Exempt Income Fund. 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.

You can also learn more at Putnam Investments' Web site: www.putnaminv.com.

Shares of mutual funds are not deposits or obligations 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.


[LOGO OMITTED]

PUTNAM INVESTMENTS

The Putnam Funds
One Post Office Square
Boston, Massachusetts 02109

- ---------------------
BULK RATE
U.S. POSTAGE PAID
PUTNAM
INVESTMENTS
- ---------------------

For account balances, economic forecasts, and the latest on Putnam funds, visit
www.putnaminv.com



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