PUTNAM AMERICAN GOVERNMENT INCOME FUND
497, 1999-04-14
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IMPORTANT INFORMATION
FOR SHAREHOLDERS OF
PUTNAM HIGH QUALITY BOND FUND

          The document you hold in your hands contains a combined
          prospectus/proxy statement and proxy card. A proxy card is, in
          essence, a ballot. When you fill out your proxy card, it tells us how
          to vote on your behalf on important issues relating to your fund. If
          you complete and sign the proxy, we'll vote it exactly as you tell
          us. If you simply sign the proxy, we'll vote it in accordance with
          the Trustees' recommendation on page 31.


          We urge you to carefully review the prospectus/proxy statement, fill
          out your proxy card, and return it to us. When shareholders don't
          return their proxies in sufficient numbers, we have to make follow-up
          solicitations, which can cost your fund money.


          We want to know how you would like to vote and welcome your comments.
          Please take a few minutes with these materials and return your proxy
          to us.


                              [logo: Putnam scales
                            BOSTON o LONDON o TOKYO]

<PAGE>

Table of Contents

<TABLE>
<S>                                              <C>
A Message from the Chairman....................  1

Notice of Shareholder Meeting..................  3

Combined Prospectus/Proxy Statement............  5

Proxy Card Enclosed
</TABLE>

If you have any questions, please contact
us at the special toll-free number we have
set up for you (1-800-225-1581)
or call your financial advisor.
- -----------------------------------------------
<PAGE>

A Message from the Chairman

Dear Shareholder:

[photo: George Putnam]

I am writing you to ask you for your vote on an important matter that affects
your investment in Putnam High Quality Bond Fund (the "High Quality Bond
Fund"). While you are, of course, welcome to join us at the High Quality Bond
Fund's meeting, most shareholders cast their vote by filling out and signing
the enclosed proxy card.


We are asking for your vote on the following matter:

Approval or disapproval of a proposed merger of the High Quality Bond Fund into
Putnam American Government Income Fund (the "American Government Fund"). In
this merger your shares of the High Quality Bond Fund would, in effect, be
exchanged, on a tax-free basis, for shares of the American Government Fund with
an equal net asset value.


The Trustees of the High Quality Bond Fund recommend approval of the merger,
because they believe it offers shareholders of the fund the opportunity to
invest in a substantially larger fund with similar investment policies but that
has a greater potential to achieve economies of scale and a lower expense
ratio.

The two funds are both fixed income funds investing primarily in U.S.
government and agency securities. The High Quality Bond Fund seeks high current
income. To the extent consistent with seeking high current income, capital
preservation and long-term total return are its secondary goals. The American
Government Fund seeks high current income, with preservation of capital as its
secondary objective.


Both funds seek their goals by investing, under normal market conditions, at
least 65% of their assets in U.S. government securities, which are debt
securities issued or guaranteed by


                                        1
<PAGE>


the U.S. government, by certain of its agencies, or by various
instrumentalities established or sponsored by the U.S. government. The American
Government Fund may also invest up to 35% of its total assets in highly rated
mortgage-backed securities that are privately issued. The High Quality Bond
Fund can invest 35% of its assets in a broad range of other investment grade
obligations, including those of foreign government and corporate issuers, as
well as asset-backed securities. These non-U.S. government securities impose
risks as well as offering potential rewards. The Trustees have concluded that a
merger with a fund, the American Government Fund, focusing on the core
portfolio area of U.S. governmental securities and with the opportunity for
lowering expenses, is in the best interests of shareholders.


Your vote is important to us. We appreciate the time and consideration I am
sure you will give this important matter. If you have questions about the
proposal, please call 1-800-225-1581, or call your financial advisor.

                                         Sincerely yours,

                                     /s/ George Putnam
                                         George Putnam, Chairman

                                        2
<PAGE>

PUTNAM HIGH QUALITY BOND FUND
Notice of a Meeting of Shareholders


>    This is the formal agenda for the shareholder meeting. It tells you what
     matters will be voted on and the time and place of the meeting, in the
     event you attend in person.


     To the Shareholders of Putnam High Quality Bond Fund:


     A meeting of shareholders of Putnam High Quality Bond Fund (the "Fund" or
     the "High Quality Bond Fund") will be held July 1, 1999 at 2:00 p.m.,
     Boston time, on the eighth floor of One Post Office Square, Boston,
     Massachusetts, to consider the following:

1.   Approving or disapproving an Agreement and Plan of Reorganization providing
     for the sale of all of the assets of the Fund to Putnam American Government
     Income Fund (the "American Government Fund") in exchange for shares of the
     American Government Fund and the assumption by the American Government Fund
     of all of the liabilities of the Fund, and the distribution of such shares
     to the shareholders of the Fund in complete liquidation of the Fund. See
     page 19.


2.   Transacting such other business as may properly come before the meeting.

     By the Trustees

     George Putnam, Chairman
     John A. Hill, Vice Chairman
     William F. Pounds, Vice Chairman

<TABLE>
<S>                     <C>
     Jameson A. Baxter       Robert E. Patterson
     Hans H. Estin           Donald S. Perkins
     Ronald J. Jackson       George Putnam, III
     Paul L. Joskow          A.J.C. Smith
     Elizabeth T. Kennan     W. Thomas Stephens
     Lawrence J. Lasser      W. Nicholas Thorndike
     John H. Mullin, III
</TABLE>

                                        3
<PAGE>


     WE URGE YOU TO MARK, SIGN, DATE AND MAIL THE ENCLOSED PROXY IN THE
     POSTAGE-PAID ENVELOPE PROVIDED, OR FOLLOW THE INSTRUCTIONS IN THESE
     MATERIALS RELATING TO TELEPHONIC OR INTERNET VOTING, SO THAT YOU WILL BE
     REPRESENTED AT THE MEETING.

     April 12, 1999


                                        4
<PAGE>

Prospectus/Proxy Statement
April 12, 1999


>    Acquisition of the assets and liabilities of


     Putnam High Quality Bond Fund
     One Post Office Square
     Boston, Massachusetts 02109
     (617) 292-1000


     By and in exchange for shares of


     Putnam American Government Income Fund
     One Post Office Square
     Boston, Massachusetts 02109
     (617) 292-1000

     Table of Contents


<TABLE>
     <S>                                                       <C>
     Synopsis ...............................................   8
     Risk factors ...........................................  16
     General ................................................  18
     Proposal regarding approval or disapproval of
      merger and related Agreement and
     Plan of Reorganization .................................  19
     Background and reasons for the proposed merger .........  21
     Information about the merger ...........................  23
     Voting information .....................................  31
     Agreement and Plan of Reorganization ................... A-1
</TABLE>


>    This document will give you the information you need to vote on the
     proposed merger. Much of the information is required under rules of the
     Securities and Exchange Commission ("SEC"); some of it is technical. If
     there is anything you don't understand, please contact us at our special
     toll-free number, 1-800-225-1581, or call your financial advisor.

     This Prospectus/Proxy Statement relates to the proposed merger of Putnam
     High Quality Bond Fund (the "High Quality Bond Fund") into Putnam American
     Government Income Fund (the "American Government Fund"). As a result of the

                                        5
<PAGE>

     proposed transaction, each Class A, Class B and Class M shareholder of the
     High Quality Bond Fund will receive a number of full and fractional Class
     A, Class B and Class M shares, respectively, of the American Government
     Fund equal in value at the date of the exchange to the total value of the
     shareholder's High Quality Bond Fund shares. Like the High Quality Bond
     Fund, the American Government Fund is in the family of funds managed by
     Putnam Investment Management, Inc. ("Putnam Management"). The American
     Government Fund and the High Quality Bond Fund are collectively referred to
     herein as the "Funds," and each is referred to individually as a "Fund."

     This Prospectus/Proxy Statement explains concisely what you should know
     before voting on the proposed merger or investing in the American
     Government Fund. Please read it and keep it for future reference. This
     Prospectus/Proxy Statement is accompanied by (i) the Prospectus, dated
     January 30, 1999, of the American Government Fund (the "American Government
     Fund Prospectus"), and (ii) the Report of Independent Accountants and
     financial statements included in the American Government Fund's Annual
     Report to Shareholders for the fiscal year ended September 30, 1998. The
     American Government Fund Prospectus and the American Government Fund's
     Annual Report are incorporated into this Prospectus/Proxy Statement by
     reference.


     The following documents have been filed with the SEC and are also
     incorporated into this Prospectus/Proxy Statement by reference:


           (i) the Prospectus, dated February 28, 1999, of the High Quality Bond
               Fund;

          (ii) the Statement of Additional Information of the High Quality Bond
               Fund, dated February 28, 1999;

         (iii) the Statement of Additional Information of the American
               Government Fund, dated January 30, 1999;

                                        6
<PAGE>

          (iv) the Report of Independent Accountants and financial statements
               included in the High Quality Bond Fund's Annual Report to
               Shareholders for the fiscal year ended October 31, 1998; and


           (v) a Statement of Additional Information, dated April 12, 1999,
               relating to the proposed merger.

     For a free copy of any of the above, please contact us at the special
     toll-free number we have set up for you (1-800-225-1581).

     Proxy materials, information statements and other information filed by the
     Funds can be inspected and copied at the Public Reference Room maintained
     by the Securities and Exchange Commission at 450 Fifth Street, N.W.,
     Washington, D.C. 20549. Copies of such material can also be obtained from
     the Public Reference Branch, Office of Consumer Affairs and Information
     Services, Securities and Exchange Commission, Washington, D.C. 20549 at
     prescribed rates. You may also access reports and other information about
     the Funds on the Commission's Internet site at http://www.sec.gov.

          The securities offered by the accompanying Prospectus/Proxy Statement
          have not been approved or disapproved by the Securities and Exchange
          Commission or any state securities commission nor has the Securities
          and Exchange Commission or any state securities commission passed upon
          the accuracy or adequacy of such Prospectus/Proxy Statement. Any
          representation to the contrary is a criminal offense.

          Shares of the American Government Fund are not deposits or obligations
          of, or guaranteed or endorsed by any financial institution, are not
          insured by the Federal Deposit Insurance Corporation, the Federal
          Reserve Board or any other agency, and involve risk, including the
          possible loss of principal amount invested.


                                        7
<PAGE>

Synopsis


>    The responses to the questions that follow provide an overview of key
     points typically of concern to shareholders considering a proposed merger
     between funds. These responses are qualified in their entirety by the
     remainder of the Prospectus/Proxy Statement, which contains additional
     information and further details regarding the proposed merger.


1.   What is being proposed?

     The Trustees of the Funds are recommending that shareholders approve the
     merger of the High Quality Bond Fund into the American Government Fund. If
     approved by shareholders, all of the assets of the High Quality Bond Fund
     will be transferred to the American Government Fund in exchange for shares
     of the American Government Fund and for the assumption by the American
     Government Fund of all of the liabilities of the High Quality Bond Fund.
     Immediately following the transfer the American Government Fund shares
     received by the High Quality Bond Fund will be distributed to its
     shareholders, pro rata.

2.   What will happen to my shares of the High Quality Bond Fund as a result of
     the merger?

     Your shares of the High Quality Bond Fund will, in effect, be exchanged on
     a tax-free basis for shares of the American Government Fund with an equal
     total net asset value.

3.   Why are the Trustees proposing the merger?

     As discussed in more detail below, the two Funds are similar in investment
     strategy and policy. The Trustees believe that combining the two similar
     Funds will result in lower expenses for Fund shareholders without changing
     in a fundamental way the essential investment profile of the Funds. In
     addition the Trustees believe the combined Fund will offer greater
     potential for increased sales and thus the potential for further economies
     of scale. As the American Government Fund is considerably larger the
     Trustees believe it is appropriate for the smaller High Quality Bond Fund
     to be merged into the larger Fund.


                                        8
<PAGE>


4.   How do the investment goals, policies and restrictions of the two Funds
     compare?

     The investment goals and policies of the two Funds are similar. Each is an
     income oriented fund investing primarily in U.S. government and agency
     securities. The High Quality Bond Fund seeks high current income. Capital
     preservation and long-term total return are its secondary goals, but only
     to the extent consistent with seeking high current income. The American
     Government Fund seeks high current income, with preservation of capital as
     its secondary objective.

     Both Funds seek their goals by investing, under normal market conditions,
     at least 65% of their assets in U.S. government securities, which are debt
     securities issued or guaranteed by the U.S. government, by certain of its
     agencies, or by various instrumentalities established or sponsored by the
     U.S. government. The American Government Fund may also invest up to 35% of
     its total assets in mortgage-backed securities that are privately issued
     and at the time of purchase rated at least AAA or Aaa by a nationally
     recognized securities rating organization, or if unrated, are determined by
     Putnam Management to be of comparable quality. The High Quality Bond Fund
     has broader investment flexibility than the American Government Fund. It
     can invest up to 35% of its total assets in a wide variety of investment
     grade obligations, including privately issued mortgage-backed and
     asset-backed securities as well as securities of foreign government and
     corporate issuers. These non-U.S. government securities impose risks as
     well as offering potential rewards. The High Quality Bond Fund's
     investments in non-U.S. government securities must be rated at the time of
     purchase at least Baa or BBB by a nationally recognized securities rating
     organization, or if unrated, determined by Putnam Management to be of
     comparable quality.


                                        9
<PAGE>


5.   How do the management fees and other expenses of the two Funds compare, and
     what are they estimated to be following the merger?

     The American Government Fund and the High Quality Bond Fund have identical
     fee and other expense structures. However, because the American Government
     Fund is substantially larger than the High Quality Bond Fund, its expense
     ratio is lower due to its attainment of break points in the management fee
     schedule and other economies of scale. As of February 26, 1999, the
     American Government Fund and the High Quality Bond Fund had net assets of
     $1,525,308,706 and $377,695,854, respectively. Each Fund is subject to the
     same management fee schedule. However, as shown in the Annual Fund
     Operating Expenses table below, for the twelve month period ended December
     31, 1998 the American Government Fund paid a management fee that is .09%
     lower than that of the High Quality Bond Fund. On a pro forma basis, giving
     effect to the merger, the combined Fund's effective management fees will be
     .11% lower than those of the High Quality Bond Fund. Also as shown in the
     table, the American Government Fund's "other expenses" were .05% lower than
     those of the High Quality Bond Fund for the twelve month period ended
     December 31, 1998. In total, the pro forma post-merger total annual
     operating expenses of the American Government Fund are .16% lower than
     those of the High Quality Bond Fund.

     The sales charges payable by shareholders of the Funds and the maximum
     amounts payable by the Funds under the distribution plans, adopted pursuant
     to Rule 12b-1 under the Investment Company Act of 1940, are identical.
     These 12b-1 fees are 0.25%, 1.00% and 0.50% of average net assets
     attributable to Class A, Class B and Class M shares, respectively.

     The following tables summarize the maximum fees and expenses you may pay
     when investing in the Funds, expenses


                                       10
<PAGE>


     that each of the Funds incurred in the 12 months ending December 31, 1998
     and estimated expenses that Putnam Management expects the combined Fund to
     incur in the first year following the merger.

     Shareholder Fees
     (Fees paid directly from your investment)

<TABLE>
<CAPTION>
                                      Class A          Class B         Class M
                                      Shares            Shares          Shares
                                  --------------   ---------------   -----------
     <S>                          <C>               <C>              <C>
     Maximum Sales Charge
       (Load) Imposed on
       Purchases (as a
       percentage of offering
       price)
     High Quality Bond Fund       4.75%             NONE*            3.25%
     American Government
       Fund                       4.75%             NONE*            3.25%
                                  (Not                               (Not
                                  applicable                         applicable
                                  to                                 to
                                  Merger                             Merger
                                  Shares)                            Shares)
     Maximum Deferred Sales
       Charge (Load) (as a
       percentage of the
       original purchase price
       or redemption proceeds,
       whichever is lower)
     High Quality Bond Fund       NONE**            5.0%***             NONE
     American Government
       Fund                       NONE**            5.0%***             NONE
</TABLE>


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

  *Higher 12b-1 fees borne by Class B and Class M shares may cause long-term
   Class B and Class M shareholders to pay more than the total sales charges
   paid by Class A shareholders.


 **A deferred sales charge of up to 1.00% is assessed on certain redemptions of
   Class A shares that were purchased without an initial sales charge as part of
   an investment of $1 million or more.

***5.0% in the first year, declining to 1.0% in the sixth year, and eliminated
   thereafter.

                                       11
<PAGE>

     Annual Fund Operating Expenses
     (Expenses that are deducted from Fund assets)


<TABLE>
<CAPTION>
                                                                       Total Annual
                         Management     Distribution       Other      Fund Operating
                            Fees        (12b-1) Fees     Expenses        Expenses
                        ------------   --------------   ----------   ---------------
     <S>                     <C>             <C>            <C>            <C>
     High Quality Bond
       Fund
      Class A                0.65%           0.25%          0.26%          1.16%
      Class B                0.65%           1.00%          0.26%          1.91%
      Class M                0.65%           0.50%          0.26%          1.41%
     American
       Government Fund
      Class A                0.56%           0.25%          0.21%          1.02%
      Class B                0.56%           1.00%          0.21%          1.77%
      Class M                0.56%           0.50%          0.21%          1.27%
     American
       Government Fund
       (Pro forma
       combined)
      Class A                0.54%           0.25%          0.21%          1.00%
      Class B                0.54%           1.00%          0.21%          1.75%
      Class M                0.54%           0.50%          0.21%          1.25%
</TABLE>

     The tables are provided to help you understand the expenses of investing in
     the Funds and your share of the operating expenses that each Fund incurs
     and that Putnam Management expects the combined Fund to incur in the first
     year following the merger. The expenses shown in the table do not reflect
     the application of credits related to expense offset arrangements that
     reduce certain Fund expenses.


     Examples

     These examples translate the "Total Annual Fund Operating Expenses" shown
     in the preceding table into dollar amounts. By doing this, you can more
     easily compare the cost of investing in the Funds. The examples make
     certain assumptions. They assume that you invest $10,000 in a Fund for the
     time periods shown and then, except as shown for Class B shares, redeem all
     your shares at the end of these periods. They also assume 5% return on your
     investment each year and that a

                                       12
<PAGE>

     Fund's operating expenses remain the same. The examples are hypothetical;
     your actual costs and returns may be higher or lower.


<TABLE>
<CAPTION>
                                     1        3          5          10
                                   Year     Years      Years       Years
                                  ------   -------   ---------   --------
     <S>                          <C>      <C>       <C>          <C>
     High Quality Bond Fund
      Class A                     $588     $826      $1,083       $1,817
      Class B                     $694     $900      $1,232       $2,038****
      Class B (no redemption)     $194     $600      $1,032       $2,038****
      Class M                     $464     $757      $1,071       $1,961
     American Government Fund
      Class A                     $574     $784      $1,011       $1,664
      Class B                     $680     $857      $1,159       $1,886****
      Class B (no redemption)     $180     $557      $  959       $1,886****
      Class M                     $450     $715      $  999       $1,809
     American Government Fund
       (Pro forma combined)
      Class A                     $572     $778      $1,001       $1,641
      Class B                     $678     $851      $1,149       $1,864****
      Class B (no redemption)     $178     $551      $  949       $1,864****
      Class M                     $448     $709      $  989       $1,787
     </TABLE>
     

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

****Reflects conversion of Class B shares to Class A shares
    (which pay lower ongoing expenses) approximately eight years after purchase.


 + For purposes of determining the Contingent Deferred Sales Charge ("CDSC")
   applicable to Class B Merger Shares, such shares will be treated as having
   been acquired as of the dates the corresponding Class B shares of the High
   Quality Bond Fund were originally acquired. See "Information about the merger
   -- Description of the Merger Shares."


6.   What are the federal income tax consequences of the proposed Merger?

     For federal income tax purposes, no gain or loss will be recognized by the
     High Quality Bond Fund or its shareholders as a result of the merger.

7.   Will my dividend be affected by the merger?

     After the merger you will continue to receive distributions of any net
     investment income once a month and any net realized

                                       13
<PAGE>


     capital gains at least once a year. Except as described below, your
     distributions will continue to be either reinvested, paid in cash or a
     combination of the two, according to the option you selected with the High
     Quality Bond Fund. Of course, the amount of these distributions will
     reflect the investment policies of the American Government Fund. Since the
     American Government Fund does not invest in corporate or foreign bonds as
     High Quality Bond Fund does, its dividend rate can be expected to be lower
     than that of the High Quality Bond Fund under normal market conditions.

     The American Government Fund will not permit any High Quality Bond Fund
     shareholder holding certificates for High Quality Bond Fund shares at the
     time of the merger to receive cash dividends or other distributions,
     receive certificates for shares issued in the merger ("Merger Shares"),
     exchange Merger Shares for shares of other investment companies managed by
     Putnam Management, or pledge or redeem Merger Shares until such
     certificates for High Quality Bond Fund shares have been surrendered, or,
     in the case of lost certificates, until an adequate surety bond has been
     posted.


     If a shareholder is not for that reason permitted to receive cash dividends
     or other distributions on Merger Shares, the American Government Fund will
     pay all such dividends and distributions in additional shares,
     notwithstanding any election the shareholder may have made previously to
     receive dividends and distributions on High Quality Bond Fund shares in
     cash.

8.   Do the procedures for purchasing, redeeming and exchanging shares of the
     two Funds differ?

     No. The procedures for purchasing and redeeming shares of each Fund, and
     for exchanging such shares of each Fund for shares of other Putnam funds,
     are identical.

     Both Funds currently offer three classes of shares. Shares of both Funds
     may be purchased either through investment dealers that have sales
     agreements with Putnam Mutual Funds


                                       14
<PAGE>


     Corp. ("Putnam Mutual Funds") or directly through Putnam Mutual Funds at
     prices based on net asset value, plus varying sales charges, depending on
     the class and number of shares purchased. Reinvestment of distributions by
     the Funds are made at net asset value for all classes of shares.

     Shares of each Fund may be redeemed any day the New York Stock Exchange is
     open at their net asset value next determined after receipt by the Fund of
     a properly completed redemption request either directly by a Fund or
     through an investment dealer.

     Shares of both Funds may be exchanged after a ten-day holding period for
     shares of the same class of certain other Putnam Funds.

9.   How will I be notified of the outcome of the merger?

     If the proposed merger is approved by shareholders, you will receive
     confirmation after the reorganization is completed, indicating your new
     account number, the number of shares you are receiving and the procedures
     for surrendering your certificates if you have any. If the merger is not
     approved, shareholders will be notified, and the results of the meeting
     will be provided in the next annual report of the High Quality Bond Fund.

10.  Will the number of shares I own change?

     Yes, but the total value of the shares of the American Government Fund you
     receive will equal the total value of the shares of the High Quality Bond
     Fund that you hold at the time of the merger. Even though the net asset
     value per share of each Fund is different, the total value of a
     shareholder's holdings will not change as a result of the merger.


                                       15
<PAGE>

Risk factors


>    What are the principal risks associated with an investment in the American
     Government Fund, and how do they compare with those for the High Quality
     Bond Fund?

     Because the Funds share similar goals and policies, the risks of an
     investment in the American Government Fund are similar to the risks of an
     investment in the High Quality Bond Fund.

     Lower Yielding Assets.  Although the two Funds' investment policies are
     similar they are not identical. The American Government Fund's investment
     policies are more restrictive than those of the High Quality Bond Fund.
     Although both can invest up to 35% of their assets in non-U.S. government
     and agency securities, the American Government Fund is limited to investing
     in AAA or Aaa rated mortgage backed securities while the High Quality Bond
     Fund may invest in a broad range of investment grade U.S. corporate and
     foreign debt. Since both corporate debt and foreign debt have additional
     risks, an investment in the High Quality Bond Fund may involve more risk
     than an investment in the American Government Fund. However, investment
     grade corporate debt and foreign government debt will generally have higher
     yields, and the diversification they add may reduce overall losses at times
     when U.S. government securities markets are declining. Thus, although the
     American Government Fund's overall portfolio risk may generally be lower
     and its return less volatile, its yield and total return over the long term
     can also be expected to be lower.

     Interest rate risk.  The values of debt investments usually rise and fall
     in response to changes in interest rates. Declining interest rates will
     generally raise the value of existing debt investments, and rising interest
     rates will generally lower the value of existing debt investments. Changes
     in the values of debt investments usually will not affect the amount of
     income the Fund receives from them, but will affect the value


                                       16
<PAGE>


     of the Fund's shares. Interest rate risk is generally greater for
     investments with longer maturities.

     Premium investments.  Like the High Quality Bond Fund, the American
     Government Fund may invest in so-called "premium" investments, which offer
     interest rates higher than prevailing market rates. In addition, during
     times of declining interest rates, many of the Fund's investments may offer
     interest rates that are higher than current market rates. When the Fund
     holds these "premium" investments, shareholders are likely to receive
     higher dividends (but will bear a greater risk that the value of the Fund's
     shares will fall) than they would if the Fund held investments that offered
     current market rates of interest. Premium investments involve a greater
     risk of loss, because their values tend to decline over time.

     Credit risk.  Although U.S. government investments are generally considered
     to have the least credit risk--the risk that the issuer will fail to make
     timely payments of interest and principal--they are not entirely free of
     credit risk. In addition, the values of these investments will still
     fluctuate in response to changes in interest rates. Other securities in
     which the Fund may invest are subject to varying degrees of risk of
     default. These risk factors include the creditworthiness of the issuer and,
     in the case of mortgage-backed securities, the ability of the underlying
     mortgagors or other borrowers to meet their obligations.

     Prepayment risk.  Traditional debt investments typically pay a fixed rate
     of interest until maturity, when the entire principal amount is due. By
     contrast, payments on mortgage-backed investments typically include both
     interest and a partial payment of principal. Principal may also be prepaid
     voluntarily, or as a result of refinancing or foreclosure. The Fund may
     have to invest the proceeds from prepayments under less attractive terms
     and yields.


     Prepayments are particularly common during periods of declining interest
     rates, when property owners seek to refi-

                                       17
<PAGE>


     nance their mortgages on more favorable terms; the reverse is true during
     periods of rising interest rates. Mortgage-backed investments are therefore
     less likely to increase in value during periods of declining interest rates
     than other debt investments of comparable maturities. In addition, they
     have a higher risk of decline during periods of rising interest rates
     because declining prepayment rates effectively increase the average
     maturity of the Fund's investments (and, therefore, its sensitivity to
     changes in interest rates) at times when that is least desirable. These
     investments can increase the volatility of the Fund.


     Frequent trading.  Like the High Quality Bond Fund, the American Government
     Fund may buy and sell investments relatively often, which involves higher
     brokerage commissions and other expenses, and may increase the taxes
     payable by shareholders.


     Other investments.  In addition to the Fund's main investment strategies of
     investing in U.S. government securities, the Fund may also buy and sell
     other types of investments, such as collateralized mortgage obligations
     (CMOs) and interest-only (IO) and principal-only (PO) stripped
     mortgage-backed investments, and therefore may be subject to other risks.

General

     This Prospectus/Proxy Statement is furnished in connection with the
     proposed merger of the High Quality Bond Fund into the American Government
     Fund and the solicitation of proxies by and on behalf of the Trustees of
     the High Quality Bond Fund for use at the Meeting of Shareholders. The
     Meeting is to be held on July 1, 1999 at 2:00 p.m. at One Post Office
     Square, 8th Floor, Boston, Massachusetts. The Notice of the Meeting, the
     combined Prospectus/Proxy Statement and the enclosed form of proxy are
     being mailed to shareholders on or about April 15, 1999.

                                       18
<PAGE>


     Any shareholder giving a proxy has the power to revoke it by mail
     (addressed to the Fund's Clerk at the principal office of the High Quality
     Bond Fund, One Post Office Square, Boston, Massachusetts 02109) or in
     person at the Meeting, by executing a superseding proxy, or by submitting a
     notice of revocation to the High Quality Bond Fund. All properly executed
     proxies received in time for the Meeting will be voted as specified in the
     proxy, or, if no specification is made, FOR the proposal (set forth in
     Proposal 1 of the Notice of Meeting) to implement the merger of the High
     Quality Bond Fund into the American Government Fund.

     As of March 15, 1999, there were outstanding 37,923,733 shares of
     beneficial interest of the High Quality Bond Fund. Only shareholders of
     record on April 1, 1999 will be entitled to notice of and to vote at the
     Meeting. Each share is entitled to one vote, with fractional shares voting
     proportionally.


     The Trustees of the High Quality Bond Fund know of no matters other than
     those set forth herein to be brought before the Meeting. If, however, any
     other matters properly come before the Meeting, it is the Trustees'
     intention that proxies will be voted on such matters in accordance with the
     judgment of the persons named in the enclosed form of proxy.


Proposal regarding approval or disapproval of merger
and related Agreement and Plan of Reorganization

     The shareholders of the High Quality Bond Fund are being asked to approve
     or disapprove a merger between the High Quality Bond Fund and the American
     Government Fund pursuant to an Agreement and Plan of Reorganization between
     the Funds, dated as of March 17, 1999 (the "Agreement"), a copy of which is
     attached to this Prospectus/Proxy Statement as Exhibit A.


     The merger is structured as a transfer of all of the assets of the High
     Quality Bond Fund to the American Government Fund in exchange for the
     assumption by the American Gov-

                                       19
<PAGE>


     ernment Fund of all of the liabilities of the High Quality Bond Fund and
     for that number of the Class A, Class B and Class M Merger Shares equal in
     total net asset value to the net value of assets transferred to the
     American Government Fund, all as more fully described below under
     "Information about the merger."


     After receipt of the Merger Shares, the High Quality Bond Fund will
     distribute the Class A Merger Shares to its Class A shareholders, the Class
     B Merger Shares to its Class B shareholders and the Class M Merger Shares
     to its Class M shareholders, in proportion to their existing shareholdings
     in complete liquidation of the High Quality Bond Fund, and the legal
     existence of the High Quality Bond Fund as a separate business trust under
     Massachusetts law will be terminated. Each shareholder of the High Quality
     Bond Fund will receive a number of full and fractional Class A, Class B, or
     Class M Merger Shares equal in value at the date of the exchange to the
     aggregate value of the shareholder's High Quality Bond Fund shares.

     Prior to the date of the transfer (the "Exchange Date"), the High Quality
     Bond Fund will declare a distribution to shareholders which, together with
     all previous distributions, will have the effect of distributing to
     shareholders all of its investment company taxable income (computed without
     regard to the deduction for dividends paid) and net realized capital gains,
     if any, through the Exchange Date.


     The Trustees have voted unanimously to approve the proposed transaction and
     to recommend that shareholders also approve the transaction. The
     transactions contemplated by the Agreement will be consummated only if
     approved by the affirmative vote of the holders of 662/3% or more of the
     outstanding shares of the High Quality Bond Fund entitled to vote.

     In the event that this proposal is not approved by the shareholders of the
     High Quality Bond Fund, the High Quality Bond Fund will continue to be
     managed as a separate Fund in


                                       20
<PAGE>

     accordance with its current investment objectives and policies, and the
     Trustees may consider such alternatives as may be in the best interests of
     its shareholders.

Background and reasons for the proposed merger


     The Trustees of each Fund, including all Trustees who are not "interested
     persons" of the Funds, have determined that the reorganization would be in
     the best interests of each Fund's shareholders, and that the interests of
     existing shareholders of each of the Funds would not be diluted as a result
     of effecting the reorganization. The Trustees have unanimously approved the
     proposed reorganization and have recommended its approval by shareholders.
     The American Government Fund and the High Quality Bond Fund have the same
     Trustees.

     The proposal is the result of a recent review by Putnam Management of the
     investment strategies and position of Putnam Management's fixed income
     funds. Currently Putnam Management advises a number of mutual funds
     investing wholly or substantially in U.S. government and agency securities
     and investment grade corporate debt. As discussed above, while not
     identical, the American Government Fund and the High Quality Bond Fund have
     similar investment policies, each investing at least 65% in U.S. government
     and agency securities.

     In light of the substantial similarity of the Funds, Putnam Management
     advised the Trustees that combining the Funds would be in the best
     interests of shareholders of both Funds. The combined Fund would have lower
     expenses than either of the existing Funds (see "Synopsis, question 5" for
     a discussion of expenses). Putnam Management also advised the Trustees that
     combining the Funds would likely improve sales of the Funds, thus offering
     the opportunity for further growth and reduction of expenses although there
     can be no assurance that the merger will lead to increased sales.


                                       21
<PAGE>


     Based on their review and Putnam Management's advice, the Trustees have
     unanimously approved the proposal. Further in light of the larger size of
     the American Government Fund ($1,525,308,706 as of February 26, 1999 versus
     $377,695,854 for the High Quality Bond Fund), the Trustees concluded that
     it would be preferable for the High Quality Bond Fund to merge into the
     American Government Fund.


     Set forth below is total return information for the Class A shares of the
     two Funds for the one year periods ending on the dates stated: Annualized
     Total Return (Total Investment Return at NAV)


<TABLE>
<CAPTION>
                                                   Year ended December 31
                              ----------------------------------------------------------------
                                 1998         1997         1996          1995          1994
                              ----------   ----------   ----------   -----------   -----------
     <S>                          <C>          <C>          <C>          <C>           <C>
     American Government
       Fund                       8.55%        9.23%        2.29%        18.35%        -2.89%
     High Quality Bond Fund       6.66%        8.34%        2.00%        18.96%        -3.11%
</TABLE>

     Of course the Funds' past performance is not necessarily an indication of
     future performance.

     Exchange without recognition of gain or loss for Federal Income Tax
     purposes. If a High Quality Bond Fund shareholder were to redeem his or her
     shares to invest in another fund, like the American Government Fund, gain
     or loss would be recognized by that shareholder for federal income tax
     purposes. Also, if the High Quality Bond Fund were liquidated or were
     reorganized in a taxable reorganization, the transaction would likely
     result in a taxable event for its shareholders. By contrast, the proposed
     merger will permit the High Quality Bond Fund's shareholders to exchange
     their investment for an investment in the American Government Fund without
     recognition of gain or loss for federal income tax purposes. After the
     merger, shareholders will be free to redeem any or all of the American
     Government Fund shares at net asset value at any time, at which point a
     taxable gain or loss would be recognized.


                                       22
<PAGE>

Information about the merger


     Agreement and plan of reorganization.  The proposed merger will be governed
     by an Agreement and Plan of Reorganization. The Agreement provides that the
     American Government Fund will acquire all of the assets of the High Quality
     Bond Fund in exchange for the assumption by the American Government Fund of
     all of the liabilities of the High Quality Bond Fund and for the issuance
     of Class A, Class B and Class M Merger Shares equal in value to the value
     of the transferred assets net of assumed liabilities. The shares will be
     issued on the next full business day (the "Exchange Date") following the
     time as of which the Funds' shares are valued for determining net asset
     value for the merger (4:00 p.m. Boston time on July 9, 1999 or such other
     date as may be agreed upon by the parties). The following discussion of the
     Agreement is qualified in its entirety by the full text of the Agreement,
     which is attached as Exhibit A to this Prospectus/Proxy Statement.


     The High Quality Bond Fund will sell all of its assets to the American
     Government Fund, and in exchange, the American Government Fund will assume
     all of the liabilities of the High Quality Bond Fund and deliver to the
     High Quality Bond Fund (i) a number of full and fractional Class A Merger
     Shares having an aggregate net asset value equal to the value of assets of
     the High Quality Bond Fund attributable to its Class A shares, less the
     value of the liabilities of the High Quality Bond Fund assumed by the
     American Government Fund attributable to such Class A shares; (ii) a number
     of full and fractional Class B Merger Shares having a net asset value equal
     to the value of assets of the High Quality Bond Fund attributable to its
     Class B shares, less the value of the liabilities of the High Quality Bond
     Fund assumed by the American Government Fund attributable to such Class B
     shares, and (iii) a number of full and fractional Class M Merger Shares
     having a net asset value equal to the value of assets of the

                                       23
<PAGE>

     High Quality Bond Fund attributable to its Class M shares, less the value
     of the liabilities of the High Quality Bond Fund assumed by the American
     Government Fund attributable to such Class M Shares.

     Immediately following the Exchange Date, the High Quality Bond Fund will
     distribute pro rata to its shareholders of record as of the close of
     business on the Exchange Date the full and fractional Merger Shares
     received by the High Quality Bond Fund, with Class A Merger Shares being
     distributed to holders of Class A shares of the High Quality Bond Fund,
     Class B Merger Shares being distributed to holders of Class B shares of the
     High Quality Bond Fund and Class M Merger Shares being distributed to
     holders of Class M shares of the High Quality Bond Fund. As a result of the
     proposed transaction, each holder of Class A, Class B and Class M shares of
     the High Quality Bond Fund will receive a number of Class A, Class B and
     Class M Merger Shares equal in aggregate value at the Exchange Date to the
     value of the Class A, Class B and Class M shares, respectively, of the High
     Quality Bond Fund held by the shareholder. This distribution will be
     accomplished by the establishment of accounts on the share records of the
     American Government Fund in the name of such High Quality Bond Fund
     shareholders, each account representing the respective number of full and
     fractional Class A, Class B and Class M Merger Shares due such shareholder.
     New certificates for Merger Shares will be issued only upon written
     request.


     The Trustees of the High Quality Bond Fund have determined that the
     interests of the High Quality Bond Fund's shareholders will not be diluted
     as a result of the transactions contemplated by the merger, and the
     Trustees of both Funds have determined that the proposed merger is in the
     best interests of each Fund.



     The consummation of the merger is subject to the conditions set forth in
     the Agreement. The Agreement may be terminated

                                       24
<PAGE>


     and the reorganization abandoned at any time, before or after approval by
     the shareholders, prior to the Exchange Date by mutual consent of the
     American Government Fund and the High Quality Bond Fund or, if any
     condition set forth in the Agreement has not been fulfilled and has not
     been waived by the party entitled to its benefits, by such party.

     If shareholders of the High Quality Bond Fund approve the acquisition,
     Putnam Management will be authorized to reposition the High Quality Bond
     Fund's portfolio, subject to tax and other regulatory restraints, so that
     it reflects the investment policies of the American Government Fund. The
     Agreement provides that the repositioning of the High Quality Bond Fund
     portfolio will be substantially completed prior to the Exchange Date,
     unless otherwise agreed by the High Quality Bond Fund and the American
     Government Fund. High Quality Bond Fund shareholders will bear the
     portfolio trading costs associated with this repositioning to the extent
     that it is completed prior to the Exchange Date. There can be no assurance
     that such repositioning will be accomplished prior to the Exchange Date. To
     the extent the respositioning is not accomplished prior to the Exchange
     Date, the costs of the repositioning will be borne by the shareholders of
     the surviving Fund, including current shareholders of the American
     Government Fund.

     Except for the trading costs associated with the repositioning described
     above, the fees and expenses for the transaction are estimated to be
     $215,000. All fees and expenses, including legal and accounting expenses,
     portfolio transfer taxes (if any) or other similar expenses incurred in
     connection with the consummation of the transactions contemplated by the
     Agreement will be allocated ratably between the two Funds in proportion to
     their net assets as of the day of the transfer, except that the costs of
     proxy materials and proxy solicitations will be borne by the High Quality
     Bond Fund. However, to the extent that any payment by either Fund of such
     fees or expenses would


                                       25
<PAGE>

     result in the disqualification of the American Government Fund or the High
     Quality Bond Fund as a "regulated investment company" within the meaning of
     Section 851 of the Internal Revenue Code of 1986, as amended (the "Code"),
     such fees and expenses will be paid directly by the party incurring them.


     Description of the Merger Shares.  Merger Shares will be issued to the High
     Quality Bond Fund's shareholders in accordance with the procedure under the
     Agreement as described above. The Merger Shares are Class A, Class B and
     Class M shares of the American Government Fund. Investors purchasing Class
     A and Class M shares pay a sales charge at the time of purchase, but High
     Quality Bond Fund shareholders receiving Class A and Class M Merger Shares
     in the merger will not pay a sales charge on such shares. Class A and Class
     M shares of the American Government Fund generally are not subject to
     redemption fees, but such shares are subject to a 12b-1 fee at the annual
     rate of 0.25% and 0.50% of the Fund's average daily net assets attributable
     to Class A and Class M shares, respectively. Class B shares of the American
     Government Fund are sold without a sales charge, but are subject to a CDSC
     of up to 5% if redeemed within six years of purchase. For purposes of
     determining the CDSC payable on redemption of Class B Merger Shares
     received by holders of Class B shares of the High Quality Bond Fund, such
     shares will be treated as having been acquired as of the dates such
     shareholders originally acquired their Class B shares of the High Quality
     Bond Fund. Class B shares are also subject to a 12b-1 fee at the annual
     rate of 1.00% of the Fund's average daily net assets attributable to Class
     B shares. Class B shares will automatically convert to Class A shares,
     based on relative net asset value, approximately eight years after
     purchase.


     Each of the Merger Shares will be fully paid and nonassessable when issued,
     will be transferable without restriction, and

                                       26
<PAGE>


     will have no preemptive or conversion rights, except that Class B Merger
     Shares will have the conversion rights specified above. The Agreement and
     Declaration of Trust of the American Government Fund permits the Fund to
     divide its shares, without shareholder approval, into two or more classes
     of shares having such preferences and special or relative rights and
     privileges as the Trustees may determine. The American Government Fund's
     shares are currently divided into three classes--Class A, Class B and Class
     M shares.


     Under Massachusetts law, shareholders could, under certain circumstances,
     be held personally liable for the obligations of the American Government
     Fund. However, the Agreement and Declaration of Trust disclaims shareholder
     liability for acts or obligations of the American Government Fund and
     requires that notice of such disclaimer be given in each agreement,
     obligation, or instrument entered into or executed by the American
     Government Fund or its Trustees. The Agreement and Declaration of Trust
     provides for indemnification out of Fund property for all loss and expense
     of any shareholder held personally liable for the obligations of the
     American Government Fund. Thus, the risk of a shareholder incurring
     financial loss on account of shareholder liability is limited to
     circumstances in which the American Government Fund would be unable to meet
     its obligations. The likelihood of such circumstances is remote. The
     shareholders of the High Quality Bond Fund are currently subject to this
     same risk of shareholder liability.


     Federal income tax consequences.  As a condition to the High Quality Bond
     Fund's obligation to consummate the reorganization, the High Quality Bond
     Fund will receive an opinion from Ropes & Gray, counsel to the Funds,
     (which opinion would be based on certain factual representations and
     subject to certain qualifications) (the "Tax Opinion") to the effect that,
     on the basis of the existing provisions of the


                                       27
<PAGE>

     Internal Revenue Code of 1986, as amended (the "Code"), current
     administrative rules and court decisions, for federal income tax purposes:

          (i) The acquisition by the American Government Fund of substantially
          all of the assets of the High Quality Bond Fund solely in exchange for
          Merger Shares and the assumption by the American Government Fund of
          liabilities of the High Quality Bond Fund followed by the distribution
          by the High Quality Bond Fund to its shareholders of Merger Shares in
          complete liquidation of the High Quality Bond Fund, all pursuant to
          the plan of reorganization, constitutes a reorganization within the
          meaning of Section 368(a) of the Code and the High Quality Bond Fund
          and the American Government Fund will each be a "party to a
          reorganization" within the meaning of Section 368(b) of the Code;

          (ii) under Section 361 of the Code, no gain or loss will be recognized
          by the High Quality Bond Fund upon the transfer of its assets and the
          assumption of its liabilities by the American Government Fund or upon
          the distribution of the Merger Shares to the High Quality Bond Fund's
          shareholders in liquidation of the High Quality Bond Fund;

          (iii) under Section 354 of the Code, no gain or loss will be
          recognized by shareholders of the High Quality Bond Fund on the
          exchange of their shares of the High Quality Bond Fund for Merger
          Shares;

          (iv) under Section 358 of the Code, the basis of the Merger Shares
          received by the High Quality Bond Fund's shareholders will be the same
          as the basis of the High Quality Bond Fund shares exchanged therefor;

          (v) under Section 1223(1) of the Code, the holding periods of the
          Merger Shares received by the shareholders of the High Quality Bond
          Fund will include the holding

                                       28
<PAGE>

          periods of the High Quality Bond Fund shares exchanged therefor,
          provided that at the time of the reorganization the High Quality Bond
          Fund shares are held by such shareholders as a capital asset;

          (vi) under Section 1032 of the Code, no gain or loss will be
          recognized by the American Government Fund upon the receipt of assets
          of the High Quality Bond Fund in exchange for Merger Shares and the
          assumption by the American Government Fund of the liabilities of the
          High Quality Bond Fund;

          (vii) under Section 362(b) of the Code, the basis in the hands of the
          American Government Fund of the assets of the High Quality Bond Fund
          transferred to the American Government Fund will be the same as the
          basis of such assets in the hands of the High Quality Bond Fund
          immediately prior to the transfer; and

          (viii) under Section 1223(2) of the Code, the holding periods of the
          assets of the High Quality Bond Fund in the hands of the American
          Government Fund will include the periods during which such assets were
          held by the High Quality Bond Fund.


     The American Government Fund will file the Tax Opinion with the SEC at a
     future date.


                                       29
<PAGE>

     Capitalization.  The following table shows the capitalization of the Funds
     as of January 31, 1999, and on a pro forma combined basis, giving effect to
     the proposed acquisition of assets at net asset value as of that date:


<TABLE>
<CAPTION>
                                                  (UNAUDITED)
                                 ---------------------------------------------
                                   American
                                  Government     High Quality      Pro Forma
                                     Fund         Bond Fund+       Combined*
                                 ------------   --------------   -------------
     <S>                          <C>              <C>             <C>
     Net assets (000's omitted)
      Class A                     1,450,703        339,367         1,790,006
      Class B                       104,511         42,725           147,230
      Class M                         4,049          2,734             6,783
     Shares outstanding
       (000's omitted)
      Class A                       161,192         33,276           198,898
      Class B                        11,657          4,207            16,426
      Class M                           449            268               752
     Net Asset value per share
      Class A                          9.00          10.20              9.00
      Class B                          8.97          10.16              8.96
      Class M                          9.02          10.20              9.02
</TABLE>


     --------------------
     +High Quality Bond Fund assets reflect proxy-related costs.

     *Pro forma combined net assets reflect legal and accounting merger-related
     costs.


     Unaudited pro forma combining financial statements of the Funds for the
     twelve month period ended September 30, 1998 are included in the Statement
     of Additional Information relating to the proposed merger. Because the
     Agreement provides that the American Government Fund will be the surviving
     Fund following the merger and because the American Government Fund's
     investment objectives and policies will remain unchanged, the pro forma
     combining financial statements reflect the transfer of the assets and
     liabilities of the High Quality Bond Fund to the American Government Fund
     as contemplated by the Agreement.


                                       30
<PAGE>


     Surrender of certificates.  The American Government Fund will not permit
     any High Quality Bond Fund shareholder holding certificates for High
     Quality Bond Fund shares at the time of the merger to receive cash
     dividends or other distributions, receive certificates for Merger Shares,
     exchange Merger Shares for shares of other investment companies managed by
     Putnam Management, or pledge or redeem Merger Shares until such
     certificates for High Quality Bond Fund shares have been surrendered, or,
     in the case of lost certificates, an adequate surety bond has been posted.

     THE TRUSTEES OF PUTNAM HIGH QUALITY BOND FUND, INCLUDING THE INDEPENDENT
     TRUSTEES, UNANIMOUSLY RECOMMEND APPROVAL OF THE AGREEMENT.

Voting information

     Required vote.  Proxies are being solicited from the High Quality Bond
     Fund's shareholders by its Trustees for the Meeting of Shareholders to be
     held on July 1, 1999 at 2:00 p.m. (the "Meeting"), at One Post Office
     Square, 8th Floor, Boston, Massachusetts, or at such later time made
     necessary by adjournment. Unless revoked, all valid proxies will be voted
     in accordance with the specification thereon or, in the absence of
     specifications, FOR approval of the Agreement. The transactions
     contemplated by the Agreement will be consummated only if approved by the
     affirmative vote of the holders of 662/3% or more of the outstanding shares
     of the High Quality Bond Fund entitled to vote.


     Record date, quorum and method of tabulation.  Shareholders of record of
     the High Quality Bond Fund at the close of business on April 1, 1999 (the
     "record date") will be entitled to vote at the Meeting or any adjournment
     thereof. The holders of 30% of the shares of the High Quality Bond Fund
     outstanding at the close of business on the record date present in person
     or represented by proxy will constitute a

                                       31
<PAGE>

     quorum for the Meeting; however, as noted above, the affirmative vote of
     the holders of 66-2/3% or more of the outstanding shares of the High
     Quality Bond Fund entitled to vote, is necessary to approve the merger.
     Shareholders are entitled to one vote for each share held, with fractional
     shares voting proportionally.


     Votes cast by proxy or in person at the meeting will be counted by persons
     appointed by the High Quality Bond Fund as tellers for the Meeting. The
     tellers will count the total number of votes cast "for" approval of the
     proposal for purposes of determining whether sufficient affirmative votes
     have been cast. The tellers will count shares represented by proxies that
     reflect abstentions as shares that are present and entitled to vote on the
     matter for purposes of determining the presence of a quorum. Broker
     non-votes (i.e., shares held by brokers or nominees as to which (i)
     instructions have not been received from the beneficial owners or the
     persons entitled to vote and (ii) the broker or nominee does not have the
     discretionary voting power on a particular matter) will not be counted in
     determining the number of shares present. Abstentions and broker non-votes
     have the effect of a negative vote on the proposal.

     As of February 28, 1999, the officers and Trustees of the High Quality Bond
     Fund as a group beneficially owned less than 1% of the outstanding shares
     of the High Quality Bond Fund. To the best of the knowledge of the High
     Quality Bond Fund, the following shareholders owned of record or
     beneficially 5% or more of the outstanding shares of the High Quality Bond
     Fund:


                                       32
<PAGE>


<TABLE>
<CAPTION>
             Shareholder                                Percentage
     Class   Name and Address                           Owned
     ---------------------------------------------------------------------------
     <S>     <C>                                            <C>
     M       Robert L. Salmon                               10.10%
             120 Seabury Road
             PO Box 1008
             York Harbor, ME 03911-1008
     M       Saint Dominic Grade School                      5.70%
             311 Campus Drive, Suite 102
             Garden City, KS 67846-6150
     M       The Putnam Companies Inc.                      19.00%
             One Post Office Square
             Boston, MA 02109
     M       Merrill, Lynch, Pierce, Fenner & Smith          6.20%
             One Liberty Plaza
             165 Broadway
             New York, NY 10001
     M       Salomon Smith Barney Inc.                      11.50%
             333 W. 34th St.
             New York, NY 10001
     B       Merrill, Lynch, Pierce, Fenner & Smith         15.90%
             One Liberty Plaza
             165 Broadway
             New York, NY 10001
</TABLE>

     The votes of the shareholders of the American Government Fund are not being
     solicited, since their approval or consent is not necessary for this
     transaction. As of February 28, 1999, the officers and Trustees of the
     American Government Fund as a group beneficially owned less than 1% of the
     outstanding shares of the American Government Fund. To the best of the
     knowledge of the American Government Fund, the following shareholders
     beneficially owned 5% or more of the outstanding shares of the American
     Government Fund:

<TABLE>
<CAPTION>
             Shareholder                                Percentage
     Class   Name and Address                           Owned
     ------- ----------------------------------------   -----------
     <S>     <C>                                            <C>
     B       Merrill, Lynch, Pierce, Fenner & Smith         11.0%
             One Liberty Plaza
             165 Broadway
             New York, NY 10001
     </TABLE>


                                       33
<PAGE>

     Solicitation of proxies.  In addition to soliciting proxies by mail, the
     Trustees and employees of Putnam Management, Putnam Fiduciary Trust Company
     and Putnam Mutual Funds may solicit proxies in person or by telephone. The
     High Quality Bond Fund may also arrange to have votes recorded by
     telephone. The telephonic voting procedure is designed to authenticate
     shareholders' identities, to allow shareholders to authorize the voting of
     their shares in accordance with their instructions and to confirm that
     their instructions have been properly recorded. The High Quality Bond Fund
     has been advised by counsel that these procedures are consistent with the
     requirements of applicable law. If these procedures were subject to a
     successful legal challenge, such votes would not be counted at the Meeting.
     The High Quality Bond Fund is unaware of any such challenge at this time.
     Shareholders would be called at the phone number Putnam Investments has in
     its records for their accounts, and would be asked for their Social
     Security numbers or other identifying information. The shareholders would
     then be given an opportunity to authorize their proxies to vote their
     shares in accordance with their instructions. To ensure that the
     shareholders' instructions have been recorded correctly, they will also
     receive a confirmation of their instructions in the mail. A special
     toll-free number will be available in the event the information in the
     confirmation is incorrect.


     Shareholders may have the opportunity to submit their voting instructions
     via the Internet by utilizing a program provided through Management
     Information Services ("MIS"). The giving of such a proxy will not affect
     your right to vote in person should you decide to attend the Meeting. To
     vote via the Internet, you will need the 12-digit "control" number that
     appears on your proxy card. To use the Internet, please access MIS on the
     World Wide Web at www.proxyweb.com. The Internet voting procedures are
     designed to authenticate shareholder identities, to allow shareholders to
     give their voting instructions, and to confirm that shareholders'
     instructions


                                       34
<PAGE>

     have been recorded properly. Shareholders voting via the Internet should
     understand that there may be costs associated with electronic access, such
     as usage charges from Internet access providers and telephone companies,
     that must be borne by the shareholders.

     Persons holding shares as nominees will upon request be reimbursed for
     their reasonable expenses in soliciting instructions from their principals.
     The High Quality Bond Fund has retained at its own expense D.F. King & Co.,
     Inc., 77 Water Street, New York, New York 10005, to aid in the solicitation
     of instructions for nominee and registered accounts for a fee of $7,500,
     plus reasonable out-of-pocket expenses for mailing and phone costs.


     Revocation of proxies.  Proxies may be revoked at any time before they are
     voted, by a written revocation received by the Clerk of the High Quality
     Bond Fund, by properly executing a later-dated proxy or by attending the
     Meeting and voting in person.


     Adjournment.  If sufficient votes in favor of the proposal are not received
     by the time scheduled for the Meeting, the persons named as proxies may
     propose adjournments of the Meeting for a period or periods of not more
     than 60 days in the aggregate to permit further solicitation of proxies.
     Any adjournment will require the affirmative vote of a majority of the
     votes cast on the question in person or by proxy at the session of the
     Meeting to be adjourned. The persons named as proxies will vote in favor of
     such adjournment those proxies which they are entitled to vote in favor of
     the proposal. They will vote against any such adjournment those proxies
     required to be voted against the proposal. The High Quality Bond Fund pays
     the costs of any additional solicitation and of any adjourned session.


     Shareholder proposals.  The High Quality Bond Fund does not hold regular
     shareholder annual meetings, but may from


                                       35
<PAGE>


     time to time schedule special meetings. In accordance with the regulations
     of the SEC, in order to be eligible for inclusion in the Fund's proxy
     statement for such a meeting, a shareholder proposal must be received a
     reasonable time before the Fund prints and mails its proxy statement. Also,
     SEC rules permit management to exercise discretionary authority to vote on
     shareholder proposals not included in the Fund's proxy statement if the
     proponent has not notified the Fund of the proposal a reasonable time
     before the Fund mails its proxy statement. All shareholder proposals must
     also comply with other requirements of the SEC's rules and the Fund's
     declaration of trust.


                                       36
<PAGE>


                                                                      Exhibit A

Agreement and Plan of Reorganization

This Agreement and Plan of Reorganization (the "Agreement") is made as of March
17, 1999 in Boston, Massachusetts, by and among Putnam American Government
Income Fund, a Massachusetts business trust (the "American Government Fund"),
Putnam High Quality Bond Fund, a Massachusetts business trust (the "High
Quality Bond Fund").

Plan of Reorganization

(a)  The High Quality Bond Fund will sell, assign, convey, transfer and deliver
     to the American Government Fund on the Exchange Date (as defined in Section
     6) all of its properties and assets existing at the Valuation Time (as
     defined in Section 3(c)). In consideration therefor, the American
     Government Fund shall, on the Exchange Date, assume all of the liabilities
     of the High Quality Bond Fund existing at the Valuation Time and deliver to
     the High Quality Bond Fund (i) a number of full and fractional Class A
     shares of beneficial interest of the American Government Fund (the "Class A
     Merger Shares") having an aggregate net asset value equal to the value of
     the assets of the High Quality Bond Fund attributable to Class A shares of
     the High Quality Bond Fund transferred to the American Government Fund on
     such date less the value of the liabilities of the High Quality Bond Fund
     attributable to Class A shares of the High Quality Bond Fund assumed by the
     American Government Fund on such date, (ii) a number of full and fractional
     Class B shares of beneficial interest of the American Government Fund (the
     "Class B Merger Shares") having an aggregate net asset value equal to the
     value of the assets of the High Quality Bond Fund attributable to Class B
     shares of the High Quality Bond Fund transferred to the American Government
     Fund on such date less the value of the liabilities of the High Quality
     Bond Fund attributable to Class B shares of the High Quality Bond Fund
     assumed


                                       A-1
<PAGE>


     by the American Government Fund on such date, and (iii) a number of full
     and fractional Class M shares of beneficial interest of the American
     Government Fund (the "Class M Merger Shares") having an aggregate net
     asset value equal to the value of the assets of the High Quality Bond Fund
     attributable to Class M shares of the High Quality Bond Fund transferred
     to the American Government Fund on such date less the value of the
     liabilities of the High Quality Bond Fund attributable to Class M shares
     of the High Quality Bond Fund assumed by the American Government Fund on
     such date. The Class A Merger Shares, the Class B Merger Shares, and the
     Class M Merger Shares shall be referred to collectively as the "Merger
     Shares." It is intended that the reorganization described in this Plan
     shall be a reorganization within the meaning of Section 368(a)(1)(C) of
     the Internal Revenue Code of 1986, as amended (the "Code").

(b)  Upon consummation of the transactions described in paragraph (a) of this
     Agreement, the High Quality Bond Fund shall distribute in complete
     liquidation to its Class A, Class B, and Class M shareholders of record as
     of the Exchange Date Class A, Class B, and Class M Merger Shares, each
     shareholder being entitled to receive that proportion of such Class A,
     Class B or Class M Merger Shares that the number of Class A, Class B, or
     Class M shares of beneficial interest of the High Quality Bond Fund held by
     such shareholder bears to the number of such Class A, Class B or Class M
     shares of the High Quality Bond Fund outstanding on such date. Certificates
     representing the Merger Shares will be issued only if the shareholder so
     requests.

Agreement

The American Government Fund and the High Quality Bond Fund agree as follows:


                                       A-2
<PAGE>


1.   Representations and warranties of the American Government fund. The
     American Government Fund represents and warrants to and agrees with the
     High Quality Bond Fund that:

     (a)  The American Government Fund is a business trust duly established and
          validly existing under the laws of The Commonwealth of Massachusetts,
          and has power to own all of its properties and assets and to carry out
          its obligations under this Agreement. The American Government Fund is
          not required to qualify as a foreign association in any jurisdiction.
          The American Government Fund has all necessary federal, state and
          local authorizations to carry on its business as now being conducted
          and to carry out this Agreement.

     (b)  The American Government Fund is registered under the Investment
          Company Act of 1940, as amended (the "1940 Act"), as an open-end
          management investment company, and such registration has not been
          revoked or rescinded and is in full force and effect.

     (c)  A statement of assets and liabilities, statement of operations,
          statement of changes in net assets and schedule of investments
          (indicating their market values) of the American Government Fund for
          the fiscal year ended September 30, 1998, such statements and schedule
          having been audited by PricewaterhouseCoopers LLP, independent
          accountants, have been furnished to the High Quality Bond Fund. Such
          statements of assets and liabilities and schedule of investments
          fairly present the financial position of the American Government Fund
          as of September 30, 1998 and such statements of operations and changes
          in net assets fairly reflect the results of its operations and changes
          in net assets for the period covered thereby in conformity with
          generally accepted accounting principles.

     (d)  The prospectus and statement of additional information dated January
          30, 1999, previously furnished to the High


                                       A-3
<PAGE>


          Quality Bond Fund, and any amendment or supplement thereto or any
          superseding prospectus or statement of additional information in
          respect thereof in effect prior to the Exchange Date, which will be
          furnished to the High Quality Bond Fund (collectively, the "American
          Government Fund Prospectus") do not and will not, as of the relevant
          date contain any untrue statement of a material fact or omit to state
          a material fact required to be stated therein or necessary to make the
          statements therein not misleading; provided however, that the American
          Government Fund makes no representation or warranty as to any
          information in the American Government Fund Prospectus that does not
          specifically relate to the American Government Fund.

     (e)  There are no material legal, administrative or other proceedings
          pending or, to the knowledge of the American Government Fund,
          threatened against the American Government Fund which assert liability
          or may, if successfully prosecuted to their conclusion, result in
          liability on the part of the American Government Fund, other than as
          have been disclosed in the American Government Fund Prospectus.

     (f)  The American Government Fund has no known liabilities of a material
          nature, contingent or otherwise, other than those shown as belonging
          to it on its statement of assets and liabilities as of September 30,
          1998 and those incurred in the ordinary course of the American
          Government Fund's business as an investment company since such date.

     (g)  No consent, approval, authorization or order of any court or
          governmental authority is required for the consummation by the
          American Government Fund of the transactions contemplated by this
          Agreement, except such as may be required under the Securities Act of
          1933, as amended (the "1933 Act"), the Securities Exchange Act


                                       A-4
<PAGE>


          of 1934, as amended (the "1934 Act"), the 1940 Act, state securities
          or blue sky laws (which term as used herein shall include the laws of
          the District of Columbia and of Puerto Rico) or the Hart-Scott-Rodino
          Antitrust Improvements Act of 1976 (the "H-S-R Act").

     (h)  The registration statement (the "Registration Statement") filed with
          the Securities and Exchange Commission (the "Commission") by the
          American Government Fund on Form N-14 relating to the Merger Shares
          issuable hereunder, and the proxy statement of the High Quality Bond
          Fund included therein (the "Proxy Statement"), on the effective date
          of the Registration Statement (i) will comply in all material respects
          with the provisions of the 1933 Act, the 1934 Act and the 1940 Act and
          the rules and regulations thereunder and (ii) will not contain any
          untrue statement of a material fact or omit to state a material fact
          required to be stated therein or necessary to make the statements
          therein not misleading; and at the time of the shareholders' meeting
          referred to in Section 7(a) and at the Exchange Date, the prospectus
          contained in the Registration Statement of which the Proxy Statement
          is a part (the "Prospectus"), as amended or supplemented by any
          amendments or supplements filed or requested to be filed with the
          Commission by the High Quality Bond Fund, will not contain any untrue
          statement of a material fact or omit to state a material fact required
          to be stated therein or necessary to make the statements therein not
          misleading; provided however, that none of the representations and
          warranties in this subsection shall apply to statements in or
          omissions from the Registration Statement, the Prospectus or the Proxy
          Statement made in reliance upon and in conformity with information
          furnished by the High Quality Bond Fund for use in the Registration
          Statement, the Prospectus or the Proxy Statement.

     (i)  There are no material contracts outstanding to which the


                                       A-5
<PAGE>


          American Government Fund is a party, other than as disclosed in the
          Registration Statement, the Prospectus, or the Proxy Statement.

     (j)  All of the issued and outstanding shares of beneficial interest of the
          American Government Fund have been offered for sale and sold in
          conformity with all applicable federal securities laws.

     (k)  The American Government Fund is and will at all times through the
          Exchange Date qualify for taxation as a "regulated investment company"
          under Sections 851 and 852 of the Code.

     (l)  The issuance of the Merger Shares pursuant to this Agreement will be
          in compliance with all applicable federal securities laws.

     (m)  The Merger Shares to be issued to the High Quality Bond Fund have been
          duly authorized and, when issued and delivered pursuant to this
          Agreement, will be legally and validly issued and will be fully paid
          and nonassessable by the American Government Fund, and no shareholder
          of the American Government Fund will have any preemptive right of
          subscription or purchase in respect thereof.

2.   Representations and warranties of the High Quality Bond Fund. The High
     Quality Bond Fund represents and warrants to and agrees with the American
     Government Fund that:

     (a)  The High Quality Bond Fund is a business trust duly established and
          validly existing under the laws of The Commonwealth of Massachusetts,
          and has power to own all of its properties and assets and to carry out
          its obligations under this Agreement. The High Quality Bond Fund is
          not required to qualify as a foreign association in any jurisdiction.
          The High Quality Bond Fund has all necessary federal, state and local
          authorizations to carry on its business as now being conducted and to
          carry out this Agreement.


                                       A-6
<PAGE>


     (b)  The High Quality Bond Fund is registered under the 1940 Act as an
          open-end management investment company, and such registration has not
          been revoked or rescinded and is in full force and effect.

     (c)  A statement of assets and liabilities, statement of operations,
          statement of changes in net assets and schedule of investments
          (indicating their market values) of the High Quality Bond Fund for the
          fiscal year ended October 31, 1998, such statements and schedule
          having been audited by PricewaterhouseCoopers LLP, independent
          accountants, have been furnished to the American Government Fund. Such
          statements of assets and liabilities and schedule of investments
          fairly present the financial position of the High Quality Bond Fund as
          of October 31, 1998, and such statements of operations and changes in
          net assets fairly reflect the results of its operations and changes in
          net assets for the period covered thereby in conformity with generally
          accepted accounting principles.

     (d)  The prospectus and statement of additional information dated February
          28, 1999, previously furnished to the American Government Fund, and
          any amendment or supplement thereto or any superseding prospectus or
          statement of additional information in respect thereof in effect prior
          to the Exchange Date, which will be furnished to the American
          Government Fund (collectively the "High Quality Bond Fund
          Prospectus"), does not and will not contain as of the relevant date
          any untrue statement of a material fact or omit to state a material
          fact required to be stated therein or necessary to make the statements
          therein not misleading; provided however, that the High Quality Bond
          Fund makes no representation or warranty as to any information in the
          High Quality Bond Fund Prospectus that does not specifically relate to
          the High Quality Bond Fund.

     (e)  There are no material legal, administrative or other pro-


                                       A-7
<PAGE>


          ceedings pending or, to the knowledge of the High Quality Bond Fund,
          threatened against the High Quality Bond Fund which assert liability
          or may, if successfully prosecuted to their conclusion, result in
          liability on the part of the High Quality Bond Fund, other than as
          have been disclosed in the High Quality Bond Fund Prospectus.

     (f)  The High Quality Bond Fund has no known liabilities of a material
          nature, contingent or otherwise, other than those shown as belonging
          to it on its statement of assets and liabilities as of October 31,
          1998 and those incurred in the ordinary course of the High Quality
          Bond Fund's business as an investment company since such date. Prior
          to the Exchange Date, the High Quality Bond Fund will advise the
          American Government Fund of all material liabilities, contingent or
          otherwise, incurred by it subsequent to October 31, 1998, whether or
          not incurred in the ordinary course of business.

     (g)  No consent, approval, authorization or order of any court or
          governmental authority is required for the consummation by the High
          Quality Bond Fund of the transactions contemplated by this Agreement,
          except such as may be required under the 1933 Act, the 1934 Act, the
          1940 Act, state securities or blue sky laws, or the H-S-R Act.

     (h)  The Registration Statement, the Prospectus and the Proxy Statement, on
          the Effective Date of the Registration Statement and insofar as they
          do not relate to the American Government Fund (i) will comply in all
          material respects with the provisions of the 1933 Act, the 1934 Act
          and the 1940 Act and the rules and regulations thereunder and (ii)
          will not contain any untrue statement of a material fact or omit to
          state a material fact required to be stated therein or necessary to
          make the statements therein not misleading; and at the time of the
          shareholders' meeting referred to in Section 7(a) below and on the
          Exchange Date, the Prospectus, as amended or supplemented by


                                       A-8
<PAGE>


          any amendments or supplements filed or requested to be filed with the
          Commission by the American Government Fund, will not contain any
          untrue statement of a material fact or omit to state a material fact
          required to be stated therein or necessary to make the statements
          therein not misleading; provided however, that the representations and
          warranties in this subsection shall apply only to statements of fact
          relating to the High Quality Bond Fund contained in the Registration
          Statement, the Prospectus or the Proxy Statement, or omissions to
          state in any thereof a material fact relating to the High Quality Bond
          Fund, as such Registration Statement, Prospectus and Proxy Statement
          shall be furnished to the High Quality Bond Fund in definitive form as
          soon as practicable following effectiveness of the Registration
          Statement and before any public distribution of the Prospectus or
          Proxy Statement.

     (i)  There are no material contracts outstanding to which the High Quality
          Bond Fund is a party, other than as will be disclosed in the
          Prospectus or the Proxy Statement.

     (j)  All of the issued and outstanding shares of beneficial interest of the
          High Quality Bond Fund have been offered for sale and sold in
          conformity with all applicable federal securities laws.

     (k)  The High Quality Bond Fund is and will at all times through the
          Exchange Date qualify for taxation as a "regulated investment company"
          under Sections 851 and 852 of the Code.

     (l)  The High Quality Bond Fund has filed or will file all federal and
          state tax returns which, to the knowledge of the High Quality Bond
          Fund's officers, are required to be filed by the High Quality Bond
          Fund and has paid or will pay all federal and state taxes shown to be
          due on said returns or on any assessments received by the High Quality
          Bond Fund. All tax liabilities of the High Quality


                                       A-9
<PAGE>


          Bond Fund have been adequately provided for on its books, and to the
          knowledge of the High Quality Bond Fund, no tax deficiency or
          liability of the High Quality Bond Fund has been asserted, and no
          question with respect thereto has been raised, by the Internal Revenue
          Service or by any state or local tax authority for taxes in excess of
          those already paid.

     (m)  At both the Valuation Time and the Exchange Date, the High Quality
          Bond Fund will have full right, power and authority to sell, assign,
          transfer and deliver the Investments and any other assets and
          liabilities of the High Quality Bond Fund to be transferred to the
          American Government Fund pursuant to this Agreement. At the Exchange
          Date, subject only to the delivery of the Investments and any such
          other assets and liabilities as contemplated by this Agreement, the
          American Government Fund will acquire the Investments and any such
          other assets and liabilities subject to no encumbrances, liens or
          security interests whatsoever and without any restrictions upon the
          transfer thereof (except for such restrictions as previously disclosed
          to the American Government Fund by the High Quality Bond Fund). As
          used in this Agreement, the term "Investments" shall mean the High
          Quality Bond Fund's investments shown on the schedule of its
          investments as of October 31, 1998 referred to in Section 2(c) hereof,
          as supplemented with such changes as the High Quality Bond Fund shall
          make, and changes resulting from stock dividends, stock splits,
          mergers and similar corporate actions.

     (n)  No registration under the 1933 Act of any of the Investments would be
          required if they were, as of the time of such transfer, the subject of
          a public distribution by either of the American Government Fund or the
          High


                                      A-10
<PAGE>


          Quality Bond Fund, except as previously disclosed to the American
          Government Fund by the High Quality Bond Fund.

     (o)  At the Exchange Date, the High Quality Bond Fund will have sold such
          of its assets, if any, as necessary to assure that, after giving
          effect to the acquisition of the assets of the High Quality Bond Fund
          pursuant to this Agreement, the American Government Fund will remain
          in compliance with its mandatory investment restrictions as set forth
          in the American Government Fund Prospectus previously furnished to the
          High Quality Bond Fund.

3.   Reorganization.

     (a)  Subject to the requisite approval of the shareholders of the High
          Quality Bond Fund and to the other terms and conditions contained
          herein (including the High Quality Bond Fund's obligation to
          distribute to its shareholders all of its investment company taxable
          income and net capital gain as described in Section 8(m) hereof), the
          High Quality Bond Fund agrees to sell, assign, convey, transfer and
          deliver to the American Government Fund, and the American Government
          Fund agrees to acquire from the High Quality Bond Fund, on the
          Exchange Date all of the Investments and all of the cash and other
          properties and assets of the High Quality Bond Fund, whether accrued
          or contingent (including cash received by the High Quality Bond Fund
          upon the liquidation by the High Quality Bond Fund of any investments
          purchased by the High Quality Bond Fund after October 31, 1998 and
          designated by the American Government Fund as being unsuitable for it
          to acquire), in exchange for that number of Merger Shares provided for
          in Section 4 and the assumption by the American Government Fund of all
          of the liabilities of the High Quality Bond Fund, whether accrued or
          contingent, existing at the Valuation Time. Pursuant to this
          Agreement, the High Quality Bond Fund


                                      A-11
<PAGE>


          will, as soon as practicable after the Exchange Date, distribute all
          of the Class A, Class B and Class M Merger Shares received by it to
          the Class A, Class B and Class M shareholders, respectively, of the
          High Quality Bond Fund, in complete liquidation of the High Quality
          Bond Fund.

     (b)  As soon as practicable following the requisite approval of the
          shareholders of the High Quality Bond Fund, the High Quality Bond Fund
          will, at its expense, effect a repositioning of its portfolio to
          reflect the investment policies of the American Government Fund as
          described in the Proxy Statement. Such repositioning will be
          substantially completed prior to the Exchange Date, unless otherwise
          agreed by the High Quality Bond Fund and the American Government Fund.

     (c)  The High Quality Bond Fund will pay or cause to be paid to the
          American Government Fund any interest, cash or such dividends, rights
          and other payments received by it on or after the Exchange Date with
          respect to the Investments and other properties and assets of the High
          Quality Bond Fund, whether accrued or contingent, received by it on or
          after the Exchange Date. Any such distribution shall be deemed
          included in the assets transferred to the American Government Fund at
          the Exchange Date and shall not be separately valued unless the
          securities in respect of which such distribution is made shall have
          gone "ex" such distribution prior to the Valuation Time, in which case
          any such distribution which remains unpaid at the Exchange Date shall
          be included in the determination of the value of the assets of the
          High Quality Bond Fund acquired by the American Government Fund.

     (d)  The Valuation Time shall be 4:00 p.m. Boston time on July 9, 1999 or
          such earlier or later day as may be mutually agreed upon in writing by
          the parties hereto (the "Valuation Time").


                                      A-12
<PAGE>


4.   Exchange date; valuation time. On the Exchange Date, the American
     Government Fund will deliver to the High Quality Bond Fund (i) a number of
     full and fractional Class A Merger Shares having an aggregate net asset
     value equal to the value of assets of the High Quality Bond Fund
     attributable to Class A shares of the High Quality Bond Fund transferred to
     the American Government Fund on such date less the value of the liabilities
     of the High Quality Bond Fund attributable to the Class A shares of the
     High Quality Bond Fund assumed by the American Government Fund on that
     date, (ii) a number of full and fractional Class B Merger Shares having an
     aggregate net asset value equal to the value of the assets of the High
     Quality Bond Fund attributable to Class B shares of the High Quality Bond
     Fund transferred to the American Government Fund on such date less the
     value of the liabilities of the High Quality Bond Fund attributable to
     Class B shares of the High Quality Bond Fund assumed by the American
     Government Fund on that date, and (iii) a number of full and fractional
     Class M Merger Shares having an aggregate net asset value equal to the
     value of the assets of the High Quality Bond Fund attributable to Class M
     shares of the High Quality Bond Fund transferred to the American Government
     Fund on such date less the value of the liabilities of the High Quality
     Bond Fund attributable to Class M shares of the High Quality Bond Fund
     assumed by the American Government Fund on that date, determined as
     hereafter provided in this Section 4.

     (a)  The net asset value of the Merger Shares to be delivered to the High
          Quality Bond Fund, the value of the assets attributable to the Class
          A, Class B and Class M shares of the High Quality Bond Fund and the
          value of the liabilities attributable to the Class A , Class B and
          Class M shares of the High Quality Bond Fund to be assumed by the
          American Government Fund shall in each case be determined as of the
          Valuation Time.

     (b)  The net asset value of the Class A , Class B and Class M


                                      A-13
<PAGE>


          Merger Shares shall be computed in the manner set forth in the
          American Government Fund Prospectus. The value of the assets and
          liabilities of the Class A , Class B and Class M shares of the High
          Quality Bond Fund shall be determined by the American Government Fund,
          in cooperation with the High Quality Bond Fund, pursuant to procedures
          that the American Government Fund would use in determining the fair
          market value of the American Government Fund's assets and liabilities.

     (c)  No adjustment shall be made in the net asset value of either the High
          Quality Bond Fund or the American Government Fund to take into account
          differences in realized and unrealized gains and losses.

     (d)  The American Government Fund shall issue the Merger Shares to the High
          Quality Bond Fund in three certificates registered in the name of the
          High Quality Bond Fund, one for Class A Merger Shares, one for Class B
          Merger Shares, and one for Class M Merger Shares (excluding any
          fractional shares). The High Quality Bond Fund shall distribute the
          Class A Merger Shares to the Class A shareholders of the High Quality
          Bond Fund by redelivering such certificates to the American Government
          Fund's transfer agent which will as soon as practicable set up open
          accounts for each Class A High Quality Bond Fund shareholder in
          accordance with written instructions furnished by the High Quality
          Bond Fund. The High Quality Bond Fund shall distribute the Class B
          Merger Shares to the Class B shareholders of the High Quality Bond
          Fund by redelivering such certificates to the American Government
          Fund's transfer agent which will as soon as practicable set up open
          accounts for each Class B High Quality Bond Fund shareholder in
          accordance with written instructions furnished by the High Quality
          Bond Fund. The High Quality Bond Fund shall distribute the Class M
          Merger Shares to the Class M shareholders of the


                                      A-14
<PAGE>


          High Quality Bond Fund by redelivering such certificates to the
          American Government Fund's transfer agent which will as soon as
          practicable set up open accounts for each Class M High Quality Bond
          Fund shareholder in accordance with written instructions furnished by
          the High Quality Bond Fund. With respect to any High Quality Bond Fund
          shareholder holding share certificates as of the Exchange Date, the
          American Government Fund will not permit such shareholder to receive
          dividends and other distributions on the Merger Shares (although such
          dividends and other distributions shall be credited to the account of
          such shareholder), receive certificates representing the Merger
          Shares, exchange the Merger Shares credited to such shareholder's
          account for shares of other investment companies managed by Putnam
          Investment Management, Inc. ("Putnam"), or pledge or redeem such
          Merger Shares until such shareholder has surrendered his or her
          outstanding High Quality Bond Fund certificates or, in the event of
          lost, stolen, or destroyed certificates, posted adequate bond. In the
          event that a shareholder shall not be permitted to receive dividends
          and other distributions on the Merger Shares as provided in the
          preceding sentence, the American Government Fund shall pay any such
          dividends or distributions in additional shares, notwithstanding any
          election such shareholder shall have made previously with respect to
          the payment, in cash or otherwise, of dividends and distributions on
          shares of the High Quality Bond Fund. The High Quality Bond Fund will,
          at its expense, request the shareholders of the High Quality Bond Fund
          to surrender their outstanding High Quality Bond Fund certificates, or
          post adequate bond, as the case may be.

     (e)  The American Government Fund shall assume all liabilities of the High
          Quality Bond Fund, whether accrued or


                                      A-15
<PAGE>


          contingent, in connection with the acquisition of assets and
          subsequent dissolution of the High Quality Bond Fund or otherwise.

5.   Expenses, fees, etc.

     (a)  All fees and expenses, including legal and accounting expenses,
          portfolio transfer taxes (if any) or other similar expenses incurred
          in connection with the consummation by the High Quality Bond Fund and
          the American Government Fund of the transactions contemplated by this
          Agreement will be allocated ratably between the American Government
          Fund and the High Quality Bond Fund in proportion to their net assets
          as of the Valuation Time, except that (i) the costs of proxy materials
          and proxy solicitation will be borne by the High Quality Bond Fund,
          and (ii) the costs of repositioning the portfolio of the High Quality
          Bond Fund to reflect the investment policies of the American
          Government Fund incurred prior to the Exchange Date shall be borne by
          the High Quality Bond Fund; provided however, that such expenses will
          in any event be paid by the party directly incurring such expenses if
          and to the extent that the payment by the other party of such expenses
          would result in the disqualification of the American Government Fund
          or the High Quality Bond Fund, as the case may be, as a "regulated
          investment company" within the meaning of Section 851 of the Code.

     (b)  In the event the transactions contemplated by this Agreement are not
          consummated by reason of the American Government Fund's being either
          unwilling or unable to go forward (other than by reason of the
          nonfulfillment or failure of any condition to the American Government
          Fund's obligations referred to in Section 8) the American Government
          Fund shall pay directly all reasonable fees and expenses incurred by
          the High Quality Bond Fund in


                                      A-16
<PAGE>


          connection with such transactions, including, without limitation,
          legal, accounting and filing fees.

     (c)  In the event the transactions contemplated by this Agreement are not
          consummated by reason of the High Quality Bond Fund's being either
          unwilling or unable to go forward (other than by reason of the
          nonfulfillment or failure of any condition to the High Quality Bond
          Fund's obligations referred to in Section 9) the High Quality Bond
          Fund shall pay directly all reasonable fees and expenses incurred by
          the American Government Fund in connection with such transactions,
          including without limitation legal, accounting and filing fees.

     (d)  In the event the transactions contemplated by this Agreement are not
          consummated for any reason other than (i) the American Government
          Fund's or the High Quality Bond Fund's being either unwilling or
          unable to go forward or (ii) the nonfulfillment or failure of any
          condition to the American Government Fund's or the High Quality Bond
          Fund's obligations referred to in Section 8 or Section 9 of this
          Agreement, then each of the American Government Fund and the High
          Quality Bond Fund shall bear all of its own expenses incurred in
          connection with such transactions.

     (e)  Notwithstanding any other provisions of this Agreement, if for any
          reason the transactions contemplated by this Agreement are not
          consummated, no party shall be liable to the other party for any
          damages resulting therefrom, including without limitation
          consequential damages, except as specifically set forth above.

6.   Exchange date.  Delivery of the assets of the High Quality Bond Fund to be
     transferred, assumption of the liabilities of the High Quality Bond Fund to
     be assumed and the delivery of the Merger Shares to be issued shall be made
     at the offices of Ropes & Gray, One International Place, Boston, Massachu-


                                      A-17
<PAGE>


          setts, at 10:00 A.M. on the next full business day following the
          Valuation Time, or at such other time and date agreed to by the
          American Government Fund and the High Quality Bond Fund, the date and
          time upon which such delivery is to take place being referred to
          herein as the "Exchange Date."

7.   Meeting of shareholders; dissolution.

     (a)  The High Quality Bond Fund agrees to call a meeting of its
          shareholders as soon as is practicable after the effective date of the
          Registration Statement for the purpose of considering the sale of all
          of its assets to and the assumption of all of its liabilities by the
          American Government Fund as herein provided, adopting this Agreement,
          and authorizing the liquidation and dissolution of the High Quality
          Bond Fund.

     (b)  The High Quality Bond Fund agrees that the liquidation and dissolution
          of the High Quality Bond Fund will be effected in the manner provided
          in the Agreement and Declaration of Trust of the High Quality Bond
          Fund in accordance with applicable law and that on and after the
          Exchange Date, the High Quality Bond Fund shall not conduct any
          business except in connection with its liquidation and dissolution.

     (c)  The American Government Fund has, after the preparation and delivery
          to the American Government Fund by the High Quality Bond Fund of a
          preliminary version of the Proxy Statement which was satisfactory to
          the American Government Fund and to Ropes & Gray for inclusion in the
          Registration Statement, filed the Registration Statement with the
          Commission. Each of the High Quality Bond Fund and the American
          Government Fund will cooperate with the other, and each will furnish
          to the other the information relating to itself required by the 1933
          Act, the 1934 Act and the 1940 Act and the rules and regulations
          thereunder set forth in the Registration Statement, including the
          Prospectus and the Proxy Statement.


                                      A-18
<PAGE>


8.   Conditions to the American Government Fund's obligations.  The obligations
     of the American Government Fund hereunder shall be subject to the following
     conditions:

     (a)  That this Agreement shall have been adopted and the transactions
          contemplated hereby shall have been approved by the affirmative vote
          of the holders of at least two-thirds (662/3%) of the outstanding
          shares of beneficial interest of the High Quality Bond Fund entitled
          to vote.

     (b)  That the High Quality Bond Fund shall have furnished to the American
          Government Fund a statement of the High Quality Bond Fund's net
          assets, with values determined as provided in Section 4 of this
          Agreement, together with a list of Investments with their respective
          tax costs, all as of the Valuation Time, certified on the High Quality
          Bond Fund's behalf by the High Quality Bond Fund's President (or any
          Vice President) and Treasurer (or any Assistant Treasurer), and a
          certificate of both such officers, dated the Exchange Date, to the
          effect that as of the Valuation Time and as of the Effective Date
          there has been no material adverse change in the financial position of
          the High Quality Bond Fund since October 31, 1998 other than changes
          in the Investments and other assets and properties since that date or
          changes in the market value of the Investments and other assets of the
          High Quality Bond Fund, changes due to net redemptions, or changes due
          to dividends paid or losses from operations.

     (c)  That the High Quality Bond Fund shall have furnished to the American
          Government Fund a statement, dated the Exchange Date, signed on behalf
          of the High Quality Bond Fund by the High Quality Bond Fund's
          President (or any Vice President) and Treasurer (or any Assistant
          Treasurer) certifying that as of the Valuation Time and as of the
          Exchange Date all representations and warranties of the High Quality
          Bond Fund made in this Agreement are true and correct in all material
          respects as if made at


                                      A-19
<PAGE>


          and as of such dates, and that the High Quality Bond Fund has complied
          with all of the agreements and satisfied all of the conditions on its
          part to be performed or satisfied at or prior to each of such dates.

     (d)  That the High Quality Bond Fund shall have delivered to the American
          Government Fund a letter from PricewaterhouseCoopers LLP dated the
          Exchange Date, stating that on the basis of an examination under
          attestation standards established by the American Institute of
          Certified Public Accountants ("AICPA"), management's assertions that
          for the fiscal period from November 1, 1998 to the Exchange Date the
          High Quality Bond Fund (i) qualified as a regulated investment company
          under the Internal Revenue Code (the "Code"), (ii) as of the Exchange
          Date, has no liability other than liabilities stated for federal or
          state income taxes and (iii) as of the Exchange Date, has no liability
          for federal excise tax purposes under section 4982 of the Code are
          fairly stated.

     (e)  That there shall not be any material litigation pending with respect
          to the matters contemplated by this Agreement.

     (f)  That the American Government Fund shall have received an opinion of
          Ropes & Gray, in form satisfactory to the American Government Fund and
          dated the Exchange Date, to the effect that (i) the High Quality Bond
          Fund is a business trust duly established and validly existing under
          the laws of The Commonwealth of Massachusetts, and, to the knowledge
          of such counsel, is not required to qualify to do business as a
          foreign association in any jurisdiction except as may be required by
          state securities or blue sky laws, (ii) this Agreement has been duly
          authorized, executed, and delivered by the High Quality Bond Fund and,
          assuming that the Registration Statement, the Prospectus and the Proxy
          Statement comply with the 1933 Act, the 1934 Act and the 1940 Act and
          assuming due authorization, execution and delivery of this Agreement


                                      A-20
<PAGE>


          by the American Government Fund, is a valid and binding obligation of
          the High Quality Bond Fund, (iii) the High Quality Bond Fund has power
          to sell, assign, convey, transfer and deliver the assets contemplated
          hereby and, upon consummation of the transactions contemplated hereby
          in accordance with the terms of this Agreement, the High Quality Bond
          Fund will have duly sold, assigned, conveyed, transferred and
          delivered such assets to the American Government Fund, (iv) the
          execution and delivery of this Agreement did not, and the consummation
          of the transactions contemplated hereby will not, violate the High
          Quality Bond Fund's Agreement and Declaration of Trust, as amended, or
          Bylaws or any provision of any agreement known to such counsel to
          which the High Quality Bond Fund is a party or by which it is bound,
          it being understood that with respect to investment restrictions as
          contained in the High Quality Bond Fund's Agreement and Declaration of
          Trust, Bylaws or then-current prospectus or statement of additional
          information, such counsel may rely upon a certificate of an officer of
          the High Quality Bond Fund's whose responsibility it is to advise the
          High Quality Bond Fund with respect to such matters, and (v) no
          consent, approval, authorization or order of any court or governmental
          authority is required for the consummation by the High Quality Bond
          Fund of the transactions contemplated herein, except such as have been
          obtained under the 1933 Act, the 1934 Act and the 1940 Act and such as
          may be required under state securities or blue sky laws and the H-S-R
          Act, and (vi) such other matters as the American Government Fund may
          reasonably deem necessary or desirable.

     (g)  That the American Government Fund shall have received an opinion of
          Ropes & Gray dated the Exchange Date (which opinion would be based
          upon certain factual representations and subject to certain
          qualifications), to the


                                      A-21
<PAGE>


          effect that, on the basis of the existing provisions of the Code,
          current administrative rules and court decisions, for federal income
          tax purposes: (i) no gain or loss will be recognized by the American
          Government Fund or its shareholders upon receipt of the Investments
          transferred to the American Government Fund pursuant to this Agreement
          in exchange for the Merger Shares, (ii) the basis to the American
          Government Fund of the Investments will be the same as the basis of
          the Investments in the hands of the High Quality Bond Fund immediately
          prior to such exchange, and (iii) the American Government Fund's
          holding periods with respect to the Investments will include the
          respective periods for which the Investments were held by the High
          Quality Bond Fund.

     (h)  That the assets of the High Quality Bond Fund to be acquired by the
          American Government Fund will include no assets which the American
          Government Fund, by reason of charter limitations or of investment
          restrictions disclosed in the American Government Fund Prospectus in
          effect on the Exchange Date, may not properly acquire.

     (i)  That the Registration Statement shall have become effective under the
          1933 Act, and no stop order suspending such effectiveness shall have
          been instituted or, to the knowledge of the American Government Fund,
          threatened by the Commission.

     (j)  That the American Government Fund shall have received from the
          Commission, any relevant state securities administrator, the Federal
          Trade Commission (the "FTC") and the Department of Justice (the
          "Department") such order or orders as Ropes & Gray deems reasonably
          necessary or desirable under the 1933 Act, the 1934 Act, the 1940 Act,
          any applicable state securities or blue sky laws and the H-S-R Act in
          connection with the transactions contemplated hereby, and that all
          such orders shall be in full force and effect.


                                      A-22
<PAGE>


     (k)  That all proceedings taken by the High Quality Bond Fund in connection
          with the transactions contemplated by this Agreement and all documents
          incidental thereto shall be satisfactory in form and substance to the
          American Government Fund and Ropes & Gray.

     (l)  That, prior to the Exchange Date, the High Quality Bond Fund shall
          have declared a dividend or dividends which, together with all
          previous such dividends, shall have the effect of distributing to the
          shareholders of the High Quality Bond Fund all of the High Quality
          Bond Fund's investment company taxable income for its taxable years
          ending on or after October 31, 1998 and on or prior to the Exchange
          Date (computed without regard to any deduction for dividends paid),
          and all of its net capital gain realized in each of its taxable years
          ending on or after October 31, 1998 and on or prior to the Exchange
          Date.

     (m)  That the High Quality Bond Fund's custodian shall have delivered to
          the American Government Fund a certificate identifying all of the
          assets of the High Quality Bond Fund held by such custodian as of the
          Valuation Time.

     (n)  That the High Quality Bond Fund's transfer agent shall have provided
          to the American Government Fund (i) the originals or true copies of
          all of the records of the High Quality Bond Fund in the possession of
          such transfer agent as of the Exchange Date, (ii) a certificate
          setting forth the number of shares of the High Quality Bond Fund
          outstanding as of the Valuation Time, and (iii) the name and address
          of each holder of record of any such shares and the number of shares
          held of record by each such shareholder.

     (o)  That all of the issued and outstanding shares of beneficial interest
          of the High Quality Bond Fund shall have been offered for sale and
          sold in conformity with all applicable state securities or blue sky
          laws and, to the extent that


                                      A-23
<PAGE>


          any audit of the records of the High Quality Bond Fund or its transfer
          agent by the American Government Fund or its agents shall have
          revealed otherwise, either (i) the High Quality Bond Fund shall have
          taken all actions that in the opinion of the American Government Fund
          or its counsel are necessary to remedy any prior failure on the part
          of the High Quality Bond Fund to have offered for sale and sold such
          shares in conformity with such laws or (ii) the High Quality Bond Fund
          shall have furnished (or caused to be furnished) surety, or deposited
          (or caused to be deposited) assets in escrow, for the benefit of the
          American Government Fund in amounts sufficient and upon terms
          satisfactory, in the opinion of the American Government Fund or its
          counsel, to indemnify the American Government Fund against any
          expense, loss, claim, damage or liability whatsoever that may be
          asserted or threatened by reason of such failure on the part of the
          High Quality Bond Fund to have offered and sold such shares in
          conformity with such laws.

     (p)  That the American Government Fund shall have received from
          PricewaterhouseCoopers LLP a letter addressed to the American
          Government Fund dated as of the Exchange Date satisfactory in form and
          substance to the American Government Fund to the effect that, on the
          basis of an examination under attestation standards established by the
          AICPA, management's assertion that as of the Valuation Time the value
          of the assets of the High Quality Bond Fund to be exchanged for the
          Merger Shares has been determined in accordance with the provisions of
          Article 10 section 5 (10.5) of the American Government Fund's By-laws
          pursuant to the procedures customarily utilized by the American
          Government Fund in valuing its assets and issuing its shares is fairly
          stated.

     (q)  That the High Quality Bond Fund shall have executed and delivered to
          the American Government Fund an


                                      A-24
<PAGE>


          instrument of transfer dated as of the Exchange Date pursuant to which
          the High Quality Bond Fund will assign, transfer and convey all of the
          assets and other property to the American Government Fund at the
          Valuation Time in connection with the transactions contemplated by
          this Agreement.

9.   Conditions to the High Quality Bond Fund's obligations.  The obligations of
     the High Quality Bond Fund hereunder shall be subject to the following
     conditions:

     (a)  That this Agreement shall have been adopted and the transactions
          contemplated hereby shall have been approved by the affirmative vote
          of the holders of at least two-thirds (662/3%) of the outstanding
          shares of beneficial interest of the High Quality Bond Fund entitled
          to vote.

     (b)  That the American Government Fund shall have furnished to the High
          Quality Bond Fund a statement of the American Government Fund's net
          assets, together with a list of portfolio holdings with values
          determined as provided in Section 4 of this Agreement, all as of the
          Valuation Time, certified on behalf of the American Government Fund by
          the American Government Fund's President (or any Vice President) and
          Treasurer (or any Assistant Treasurer), and a certificate of both such
          officers, dated the Exchange Date, to the effect that as of the
          Valuation Time and as of the Exchange Date there has been no material
          adverse change in the financial position of the American Government
          Fund since September 30, 1998, other than changes in its portfolio
          securities since that date, changes in the market value of its
          portfolio securities, changes due to net redemptions, or changes due
          to dividends paid or losses from operations.

     (c)  That the American Government Fund shall have executed and delivered to
          the High Quality Bond Fund an Assumption of Liabilities dated as of
          the Exchange Date pursuant


                                      A-25
<PAGE>


          to which the American Government Fund will assume all of the
          liabilities of the High Quality Bond Fund existing at the Valuation
          Time in connection with the transactions contemplated by this
          Agreement.

     (d)  That the American Government Fund shall have furnished to the High
          Quality Bond Fund a statement, dated the Exchange Date, signed on
          behalf of the American Government Fund by the American Government
          Fund's President (or any Vice President) and Treasurer (or any
          Assistant Treasurer) certifying that as of the Valuation Time and as
          of the Exchange Date all representations and warranties of the
          American Government Fund made in this Agreement are true and correct
          in all material respects as if made at and as of such dates, and that
          the American Government Fund has complied with all of the agreements
          and satisfied all of the conditions on its part to be performed or
          satisfied at or prior to each of such dates.

     (e)  That there shall not be any material litigation pending or threatened
          with respect to the matters by this Agreement.

     (f)  That the High Quality Bond Fund shall have received an opinion of
          Ropes & Gray, in form satisfactory to the High Quality Bond Fund and
          dated the Exchange Date, to the effect that (i) the American
          Government Fund is a business trust duly established and validly
          existing in conformity with the laws of The Commonwealth of
          Massachusetts, and, to the knowledge of such counsel, is not required
          to qualify to do business as a foreign association in any jurisdiction
          except as may be required by state securities or blue sky laws, (ii)
          this Agreement has been duly authorized, executed and delivered by the
          American Government Fund and, assuming that the Prospectus, the
          Registration Statement and the Proxy Statement comply with the 1933
          Act, the 1934 Act and the 1940 Act and assuming due authorization,
          execution and delivery of this


                                      A-26
<PAGE>


          Agreement by High Quality Bond Fund, is a valid and binding obligation
          of the American Government Fund, (iii) the Merger Shares to be
          delivered to the High Quality Bond Fund as provided for by this
          Agreement are duly authorized and upon such delivery will be validly
          issued and will be fully paid and nonassessable by the American
          Government Fund and no shareholder of the American Government Fund has
          any preemptive right to subscription or purchase in respect thereof,
          (iv) the execution and delivery of this Agreement did not, and the
          consummation of the transactions contemplated hereby will not, violate
          the American Government Fund's Agreement and Declaration of Trust, as
          amended, or By-laws, or any provision of any agreement known to such
          counsel to which the American Government Fund is a party or by which
          it is bound, it being understood that with respect to investment
          restrictions as contained in the American Government Fund's Agreement
          and Declaration of Trust, as amended, By-Laws or then-current
          prospectus or statement of additional information, such counsel may
          rely upon a certificate of an officer of the American Government Fund
          whose responsibility it is to advise the American Government Fund with
          respect to such matters, (v) no consent, approval, authorization or
          order of any court or governmental authority is required for the
          consummation by the American Government Fund of the transactions
          contemplated herein, except such as have been obtained under the 1933
          Act, the 1934 Act and the 1940 Act and such as may be required under
          state securities or blue sky laws and the H-S-R Act, and (vi) the
          Registration Statement has become effective under the 1933 Act, and to
          the best of the knowledge of such counsel, no stop order suspending
          the effectiveness of the Registration Statement has been issued and no
          proceedings for that purpose have been instituted or are pending or
          contemplated under the 1933 Act.


                                      A-27
<PAGE>


     (g)  That the High Quality Bond Fund shall have received an opinion of
          Ropes & Gray dated the Exchange Date (which opinion would be based
          upon certain factual representations and subject to certain
          qualifications), to the effect that, on the basis of the existing
          provisions of the Code, current administrative rules and court
          decisions, for federal income tax purposes: (i) no gain or loss will
          be recognized by the High Quality Bond Fund or its shareholders upon
          the transfer of the Investments to the American Government Fund and
          the assumption by the American Government Fund of the liabilities of
          the High Quality Bond Fund, or upon the distribution of the Merger
          Shares by the High Quality Bond Fund to its shareholders, pursuant to
          this Agreement, (ii) the basis of the Merger Shares an High Quality
          Bond Fund shareholder receives in connection with the transaction will
          be the same as the basis of his or her High Quality Bond Fund shares
          exchanged therefor, and (iii) an High Quality Bond Fund shareholder's
          holding period for his or her Merger Shares will be determined by
          including the period for which he or she held the High Quality Bond
          Fund shares exchanged therefor.

     (h)  That all proceedings taken by or on behalf of the American Government
          Fund in connection with the transactions contemplated by this
          Agreement and all documents incidental thereto shall be satisfactory
          in form and substance to the High Quality Bond Fund and Ropes & Gray.

     (i)  That the Registration Statement shall have become effective under the
          1933 Act, and no stop order suspending such effectiveness shall have
          been instituted or, to the knowledge of the American Government Fund,
          threatened by the Commission.

     (j)  That the High Quality Bond Fund shall have received from the
          Commission, any relevant state securities administrator, the FTC and
          the Department such order or orders


                                      A-28
<PAGE>


          as Ropes & Gray deems reasonably necessary or desirable under the 1933
          Act, the 1934 Act, the 1940 Act, any applicable state securities or
          blue sky laws and the H-S-R Act in connection with the transactions
          contemplated hereby, and that all such orders shall be in full force
          and effect.

10.  Indemnification.

     (a)  The High Quality Bond Fund will indemnify and hold harmless, out of
          the assets of the High Quality Bond Fund but no other assets, the
          American Government Fund, its trustees and its officers (for purposes
          of this subparagraph, the "Indemnified Parties") against any and all
          expenses, losses, claims, damages and liabilities at any time imposed
          upon or reasonably incurred by any one or more of the Indemnified
          Parties in connection with, arising out of, or resulting from any
          claim, action, suit or proceeding in which any one or more of the
          Indemnified Parties may be involved or with which any one or more of
          the Indemnified Parties may be threatened by reason of any untrue
          statement or alleged untrue statement of a material fact relating to
          the High Quality Bond Fund contained in the Registration Statement,
          the Prospectus or the Proxy Statement or any amendment or supplement
          to any of the foregoing, or arising out of or based upon the omission
          or alleged omission to state in any of the foregoing a material fact
          relating to the High Quality Bond Fund required to be stated therein
          or necessary to make the statements relating to the High Quality Bond
          Fund therein not misleading, including, without limitation, any
          amounts paid by any one or more of the Indemnified Parties in a
          reasonable compromise or settlement of any such claim, action, suit or
          proceeding, or threatened claim, action, suit or proceeding made with
          the consent of the High Quality Bond Fund. The Indemnified Parties
          will notify the High Quality Bond Fund in writing within ten days
          after the receipt by any one or more of the Indemnified Parties of any


                                      A-29
<PAGE>


          notice of legal process or any suit brought against or claim made
          against such Indemnified Party as to any matters covered by this
          Section 10(a). The High Quality Bond Fund shall be entitled to
          participate at its own expense in the defense of any claim, action,
          suit or proceeding covered by this Section 10(a), or, if it so elects,
          to assume at its expense by counsel satisfactory to the Indemnified
          Parties the defense of any such claim, action, suit or proceeding, and
          if the High Quality Bond Fund elects to assume such defense, the
          Indemnified Parties shall be entitled to participate in the defense of
          any such claim, action, suit or proceeding at their expense. The High
          Quality Bond Fund's obligation under this Section 10(a) to indemnify
          and hold harmless the Indemnified Parties shall constitute a guarantee
          of payment so that the High Quality Bond Fund will pay in the first
          instance any expenses, losses, claims, damages and liabilities
          required to be paid by it under this Section 10(a) without the
          necessity of the Indemnified Parties' first paying the same.

     (b)  The American Government Fund will indemnify and hold harmless, out of
          the assets of the American Government Fund but no other assets, the
          High Quality Bond Fund, its trustees and its officers (for purposes of
          this subparagraph, the "Indemnified Parties") against any and all
          expenses, losses, claims, damages and liabilities at any time imposed
          upon or reasonably incurred by any one or more of the Indemnified
          Parties in connection with, arising out of, or resulting from any
          claim, action, suit or proceeding in which any one or more of the
          Indemnified Parties may be involved or with which any one or more of
          the Indemnified Parties may be threatened by reason of any untrue
          statement or alleged untrue statement of a material fact relating to
          the American Government Fund contained in the Registration Statement,
          the Prospectus or the Proxy Statement, or any amendment or supplement
          to


                                      A-30
<PAGE>


          any thereof, or arising out of, or based upon, the omission or alleged
          omission to state in any of the foregoing a material fact relating to
          the American Government Fund required to be stated therein or
          necessary to make the statements relating to the American Government
          Fund therein not misleading, including without limitation any amounts
          paid by any one or more of the Indemnified Parties in a reasonable
          compromise or settlement of any such claim, action, suit or
          proceeding, or threatened claim, action, suit or proceeding made with
          the consent of the American Government Fund. The Indemnified Parties
          will notify the American Government Fund in writing within ten days
          after the receipt by any one or more of the Indemnified Parties of any
          notice of legal process or any suit brought against or claim made
          against such Indemnified Party as to any matters covered by this
          Section 10(b). The American Government Fund shall be entitled to
          participate at its own expense in the defense of any claim, action,
          suit or proceeding covered by this Section 10(b), or, if it so elects,
          to assume at its expense by counsel satisfactory to the Indemnified
          Parties the defense of any such claim, action, suit or proceeding,
          and, if the American Government Fund elects to assume such defense,
          the Indemnified Parties shall be entitled to participate in the
          defense of any such claim, action, suit or proceeding at their own
          expense. The American Government Fund's obligation under this Section
          10(b) to indemnify and hold harmless the Indemnified Parties shall
          constitute a guarantee of payment so that the American Government Fund
          will pay in the first instance any expenses, losses, claims, damages
          and liabilities required to be paid by it under this Section 10(b)
          without the necessity of the Indemnified Parties' first paying the
          same.

11.  No broker, etc.  Each of the High Quality Bond Fund and the American
     Government Fund represents that there is no per-


                                      A-31
<PAGE>


          son who has dealt with it who by reason of such dealings is entitled
          to any broker's or finder's or other similar fee or commission arising
          out of the transactions contemplated by this Agreement.

12.  Termination.  The High Quality Bond Fund and the American Government Fund
     may, by mutual consent of their trustees, terminate this Agreement, and the
     High Quality Bond Fund or the American Government Fund, after consultation
     with counsel and by consent of their trustees or an officer authorized by
     such trustees, may waive any condition to their respective obligations
     hereunder. If the transactions contemplated by this Agreement have not been
     substantially completed by October 31, 1999, this Agreement shall
     automatically terminate on that date unless a later date is agreed to by
     the High Quality Bond Fund and the American Government Fund.

13.  Rule 145.  Pursuant to Rule 145 under the 1933 Act, the American Government
     Fund will, in connection with the issuance of any Merger Shares to any
     person who at the time of the transaction contemplated hereby is deemed to
     be an affiliate of a party to the transaction pursuant to Rule 145(c),
     cause to be affixed upon the certificates issued to such person (if any) a
     legend as follows:

          "These shares have not been registered under the Securities Act of
          1933, as amended, and may not be sold or otherwise transferred except
          to Putnam American Government Income Fund or its principal underwriter
          unless (i) a registration statement with respect thereto is effective
          under the Securities Act of 1933, as amended, or (ii) in the opinion
          of counsel reasonably satisfactory to Putnam American Government
          Income Fund such registration is not required."

     and, further, the American Government Fund will issue stop transfer
     instructions to the American Government Fund's


                                      A-32
<PAGE>


     transfer agent with respect to such shares. The High Quality Bond Fund will
     provide the American Government Fund on the Exchange Date with the name of
     any High Quality Bond Fund shareholder who is to the knowledge of the High
     Quality Bond Fund an affiliate of the High Quality Bond Fund on such date.

14.  Covenants, etc., deemed material.  All covenants, agreements,
     representations and warranties made under this Agreement and any
     certificates delivered pursuant to this Agreement shall be deemed to have
     been material and relied upon by each of the parties, notwithstanding any
     investigation made by them or on their behalf.

15.  Sole agreement; amendments.  This Agreement supersedes all previous
     correspondence and oral communications between the parties regarding the
     subject matter hereof, constitutes the only understanding with respect to
     such subject matter, may not be changed except by a letter of agreement
     signed by each party hereto, and shall be construed in accordance with and
     governed by the laws of The Commonwealth of Massachusetts.

16.  Agreement and declaration of trust.  Copies of the Agreements and
     Declarations of Trust of the High Quality Bond Fund and the American
     Government Fund are on file with the Secretary of State of The Commonwealth
     of Massachusetts, and notice is hereby given that this instrument is
     executed by the Trustees of each Fund, respectively, as Trustees and not
     individually and that the obligations of this instrument are not binding
     upon any of the Trustees, officers or shareholders of the High Quality Bond
     Fund or the American Government Fund individually but are binding only upon
     the assets and property of the High Quality Bond Fund and the American
     Government Fund, respectively.


                                      A-33
<PAGE>


     This Agreement may be executed in any number of counterparts, each of
     which, when executed and delivered, shall be deemed to be an original.

     PUTNAM AMERICAN GOVERNMENT
     INCOME FUND

     By:  /s/ Charles E. Porter
          --------------------------------
          Executive Vice President

     PUTNAM HIGH QUALITY BOND FUND

     By:  /s/ Charles E. Porter
          --------------------------------
          Executive Vice President


                                      A-34
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[logo: PUTNAMINVESTMENTS
       The Putnam Funds
       One Post Office Square
       Boston, Massachusetts 02109
       Toll-free 1-800-225-1581]


                                                                      51880 4/99

<PAGE>

FOR YOUR CONVENIENCE YOU MAY RECORD YOUR VOTING INSTRUCTIONS VIA THE INTERNET OR
BY RETURNING THIS PROXY CARD BY MAIL

Your vote is very important. If you choose to record your voting instructions
via the Internet, visit the website at www.proxyweb.com. Please refer to the
instructions below. Your voting instructions will be immediately confirmed and
posted.

<TABLE>
<S>                                               <C>            
 To record your voting instructions on the
 Internet

 1.  Read the proxy statement.
 2.  Go to www.proxyweb.com
 3.  Enter the 12-digit control number on your
     proxy card.
 4.  Follow the instructions on the site.
                                                                This is your PROXY CARD.
 If you vote on the Internet, there is no need
 to return your Proxy Card.                       Please record your voting instructions on this proxy
                                                           card, sign it below, and return it
 ***CONTROL NUMBER: 999 999 999                           promptly in the envelope provided.
 999 99*                                                        Your vote is important.

                                                      [arrow down] PLEASE FOLD AT PERFORATION
                                                                   BEFORE DETACHING [arrow down]
</TABLE>

Proxy for a meeting of shareholders to be held on July 1, 1999 for Putnam High
Quality Bond Fund.

This proxy is solicited on behalf of the Trustees of the Fund.

The undersigned shareholder hereby appoints George Putnam, Hans H. Estin, and
Robert E. Patterson, and each of them separately, Proxies, with power of
substitution, and hereby authorizes them to represent and to vote, as designated
below, at the meeting of shareholders of Putnam High Quality Bond Fund on July
1, 1999, at 2:00 p.m., Boston time, and at any adjournments thereof, all of the
shares of the Fund that the undersigned shareholder would be entitled to vote if
personally present.

           ---------------------------------------------------------------------
                       PLEASE BE SURE TO SIGN AND DATE THIS PROXY.
           ---------------------------------------------------------------------

           Please sign your name exactly as it appears on this card. If you are
           a joint owner, each owner should sign. When signing as executor,
           administrator, attorney, trustee, or guardian, or as custodian for a
           minor, please give your full title as such. If you are signing for a
           corporation, please sign the full corporate name and indicate the
           signer's office. If you are a partner, sign the partnership name.

           ________________________________________________
           Shareholder sign here                      Date

           ________________________________________________
           Co-owner sign here                         Date

<PAGE>

<TABLE>
<S>                                                     <C>
HAS YOUR ADDRESS CHANGED?                               DO YOU HAVE ANY COMMENTS?
Please use this form to notify us of any change in
address or telephone number or to provide us with       ---------------------------------------------------
your comments. Detach this form from the proxy card
and return it with your signed proxy in the enclosed    ---------------------------------------------------
envelope.                                               DEAR SHAREHOLDER:
                                                        Your vote is important. Please help us to eliminate
Street                                                  the expense of follow-up mailings by signing and
- ----------------------------------------------------    returning this proxy card or by recording your
                                                        voting instructions via the Internet as soon as
City                        State           Zip         possible. A postage-paid envelope is enclosed for
- ----------------------------------------------------    your convenience.
                                                        THANK YOU!
Telephone       
- ----------------------------------------------------
</TABLE>

        [arrow up] PLEASE FOLD AT PERFORATION BEFORE DETACHING [arrow up]
            
If you complete and sign the proxy card, we'll vote exactly as you tell us. If
you simply sign the proxy, it will be voted FOR Proposal 1. The Proxies will
also be authorized to vote upon such other matters that may properly come before
the meeting.

THE TRUSTEES RECOMMEND A VOTE FOR THE PROPOSAL LISTED BELOW:

<TABLE>
<S>                                                               <C>          <C>              <C>
Please vote by filling in the appropriate box.                    FOR          AGAINST          ABSTAIN
                                                                  [ ]            [ ]              [ ]
  1. Approval of the Agreement and Plan of         
     Reorganization providing for the sale of all of
     the assets of Putnam High Quality Bond Fund   
     ("the Fund") to Putnam American Government                   |_             |_               |_
     Income Fund ("the American Government Fund") in
     exchange for shares of the American Government
     Fund and the assumption by the American
     Government Fund of all of the liabilities of the
     Fund, and the distribution of such shares to the
     shareholders of the Fund in liquidation of the
     Fund.
</TABLE>

Note: If you have questions on the Proposal, please call 1-800-225-1581.
<PAGE>

                     PUTNAM AMERICAN GOVERNMENT INCOME FUND

                                    FORM N-14

                                     PART B

                       STATEMENT OF ADDITIONAL INFORMATION


                                 APRIL 12, 1999

This Statement of Additional Information contains material that may be of
interest to investors but that is not included in the Prospectus/Proxy Statement
(the "Prospectus") of Putnam American Government Income Fund (the "American
Government Fund") dated April 12, 1999 relating to the sale of all or
substantially all of the assets of Putnam High Quality Bond Fund (the "High
Quality Bond Fund") to the American Government Fund. The American Government
Fund's Statement of Additional Information dated January 30, 1999, and the High
Quality Bond Fund's Statement of Additional Information dated February 28, 1999,
have been filed with the Securities and Exchange Commission and are incorporated
herein by reference. This Statement is not a Prospectus and is authorized for
distribution only when it accompanies or follows delivery of the Prospectus.
This Statement should be read in conjunction with the Prospectus. Investors may
obtain a free copy of the Prospectus or either or both of the Statements of
Additional Information by writing Putnam Investor Services, One Post Office
Square, Boston, MA 02109 or by calling 1-800-225-1581.


                INDEPENDENT ACCOUNTANTS AND FINANCIAL STATEMENTS

PricewaterhouseCoopers LLP are the independent accountants for the American
Government Fund, providing audit services, tax return review and other tax
consulting services and assistance and consultation in connection with the
review of various Securities and Exchange Commission filings for the American
Government Fund. PricewaterhouseCoopers LLP are also the independent accountants
for the High Quality Bond Fund, providing audit services, tax return reviews and
other tax consulting services and assistance and consultation in connection with
the review of various Securities and Exchange Commission filings for the High
Quality Bond Fund. The following documents are incorporated by reference into
this Statement of Additional Information: (1) the Report of Independent
Accountants and financial statements included in the American Government Fund's
Annual Report for the fiscal year ended September 30, 1998, filed electronically
on November 18, 1998 (File No. 811-4178), and (ii) the Report of Independent
Accountants and financial statements included in the High Quality Bond Fund's
Annual Report for the fiscal year ended October 31, 1998, filed electronically
on December 16, 1998 (File No. 811-4178). The audited financial statements for
the American Government Fund and the High Quality Bond Fund incorporated by
reference into the Prospectus/Proxy Statement and this Statement of Additional
Information have been so included and incorporated in reliance upon the reports
of PricewaterhouseCoopers LLP, given on their authority as experts in auditing
and accounting.

                                      -1-
<PAGE>

                                Table of Contents

Unaudited Pro Forma combined Financial Statements of the American Government
Fund and the High Quality Bond Fund................




                                      -2-
<PAGE>

                     Putnam American Government Income Fund

                                       and

                          Putnam High Quality Bond Fund

                     Proforma Combining Financial Statements

                                   (Unaudited)

The accompanying unaudited proforma combining statements of investment
portfolios and assets and liabilities assumes that the exchange described in the
next paragraph occurred as of September 30, 1998, and the unaudited proforma
combining statement of operations for the twelve months ended September 30, 1998
presents the results of operations of Putnam American Government Income Fund
(the "American Government Fund") as if the combination with Putnam High Quality
Bond Fund (the "High Quality Bond Fund") had been consummated at October 1,
1997. The proforma results of operations are not necessarily indicative of
future operations or the actual results that would have occurred had the
combination been consummated at October 1, 1997. The historical statements have
been derived from the American Government Fund's books and records utilized in
calculating daily net asset value at September 30, 1998, and for the twelve
month period then ended.

The proforma statements give effect to the proposed transfer of all of the
assets of the High Quality Bond Fund to the American Government Fund in exchange
for the assumption by the American Government Fund of all of the liabilities of
the High Quality Bond Fund and for a number of the American Government Fund's
shares equal in value to the value of the net assets of the High Quality Bond
Fund's transferred to the American Government Fund. Under generally accepted
accounting principles, the historical cost of investment securities will be
carried forward to the surviving entity and the results of operations of the
American Government Fund for pre-combination periods will not be restated. The
proforma statement of operations does not reflect the expenses of either fund in
carrying out its obligations under the Agreement and Plan of Reorganization.

The unaudited proforma combining statements should be read in conjunction with
the separate financial statements of the American Government Fund and the High
Quality Bond Fund incorporated by reference in this statement of additional
information.

                                      -3-
<PAGE>



                     Putnam American Government Income Fund

                     Notes to Proforma Combining Statements

                                   (Unaudited)

                               September 30, 1998


The proforma adjustments to these proforma financial statements are comprised of
the following:

     (A) Elimination and reduction of duplicative expenses as a result of the
         merger.

     (B) $145,000 relates to proxy costs which will be borne by the Putnam High
         Quality Bond Fund. The other $70,000 consists of $50,000 of legal
         costs and $20,000 of accounting costs. These are related merger costs
         which will be allocated ratably between the two funds upon
         consummation of the merger.

     (C) Issuance of class A, class B and class M shares of Putnam American
         Government Income Fund to the holders of class A, class B and class M
         shares of Putnam High Quality Bond Fund.

<PAGE>

                         AMERICAN GOVERNMENT INCOME FUND
Pro Forma Combining                (Unaudited)
Statement of Assets and Liabilities
      30-Sep-98

<TABLE>
<CAPTION>
                                                           American
                                                          Government         High Quality     Pro Forma           Pro Forma
                                                         Income Fund           Bond Fund      Adjustments         Combined
<S>                                                    <C>                   <C>               <C>             <C>
Assets
  Investments in securities, at value
  (identified cost $1,519,441,505, $363,648,938 and    $1,578,959,023        $ 377,276,674                     $1,956,235,697
  $1,883,090,443 respectively)
  Cash                                                            377            3,585,479                          3,585,856
  Interest and other receivables                           14,340,457            3,510,188                         17,850,645
  Receivable for shares of the fund sold                    2,280,047              829,985                          3,110,032
  Receivable for investments sold                                  --           81,998,443                         81,998,443
  Receivable for open forward currency contracts                   --              130,817                            130,817
  Receivable for variation margin                                  --              234,813                            234,813

  Total assets                                          1,595,579,904          467,566,399                      2,063,146,303
Liabilities

  Payable for securities purchased                                 --           66,076,735                         66,076,735
  Payable for shares of the fund repurchased                1,807,573              240,129                          2,047,702
  Payable for compensation of Manager                       2,161,132              382,513                          2,543,645
  Payable for investor servicing and custodian fees           108,795               46,665                            155,460
  Payable for compensation of Trustees                         52,093                3,660                             55,753
  Payable for administrative services                           4,738                2,107                              6,845
  Payable for distribution fees                               987,531              744,509                          1,732,040
  TBA sales commitments, at value
     (proceeds receivable $7,568,881)                              --            7,651,737                          7,651,737
  Payable for open forward currency contracts                      --              271,468                            271,468
  Payable for closed forward currency contracts                    --            1,319,125                          1,319,125
  Other accrued expenses                                      127,859           11,515,447       215,000 B         11,858,306

  Total liabilities                                         5,249,721           88,254,095       215,000           93,718,816
  Net assets                                           $1,590,330,183         $379,312,304      (215,000)       1,969,427,487


  Class A
           Net assets                                  $1,500,156,542         $346,796,460      (198,210)B     $1,846,754,792
           Shares outstanding                             164,590,463           33,353,014     4,698,749 C        202,642,226
           Net asset value per share                            $9.11               $10.40                             $ 9.11

  Class B
           Net assets                                     $86,302,398          $28,172,373       (14,838)B      $ 114,459,933
           Shares outstanding                               9,501,518           $2,719,978       381,410 C         12,602,906
           Net asset value per share                            $9.08               $10.36                             $ 9.08

  Class M
           Net assets                                      $3,871,243           $4,343,471        (1,952)B        $ 8,212,762
           Shares outstanding                                 423,654              417,624        57,393 C            898,671
           Net asset value per share                            $9.14               $10.40                             $ 9.14
</TABLE>


<PAGE>

The Proforma Combining Investment Portfolio
of Putnam High Quality Bond Fund and
Putnam American Government Income Fund

September 30, 1998 (Unaudited)

<TABLE>
<CAPTION>
                                                    American Government           High Quality                 Proforma
                                                        Income Fund                 Bond Fund                  Combined
U.S. Governement and                           Principal              91.6%* Principal          66.4%* Principal             86.9%*
Agency Obligations                             Amount         Value          Amount        Value       Amount         Value
- -----------------------------------------------------------------------------------------------------------------------------------
<S>                                            <C>            <C>            <C>           <C>         <C>            <C>
Federal Home Loan Mortgage Corp.
 5 3/4s,  due April 15, 2008                   $ 100,000,000  $ 105,719,000                            $ 100,000,000  $105,719,000
 5 1/2s, with due dates from March 1, 2011
    to April 1, 2011                                                         $ 8,276,173   $ 8,245,137     8,276,173     8,245,137
Federal Home Loan Mortgage Corp.
  Pass-through Certificates
  7s, with due dates from August 1, 2012
    to November 1, 2012                           30,041,863     30,858,402                              30,041,863     30,858,402
Federal National Mortgage Association
7s, Dwarf TBA, October 15, 2013                                                1,050,000    1,077,888     1,050,000      1,077,888
  6 1/2s, Dwarf TBA, October 15, 2013                                         18,630,000   19,019,920    18,630,000     19,019,920
  6s, Dwarf TBA, October 15, 2013                                              7,360,000    7,435,882     7,360,000      7,435,882
Federal National Mortgage Association
  Pass-through Certificates
  6 1/2s, Dwarf, with due dates from
    October 1, 2010 to September 2013            142,522,023    145,505,009                             142,522,023    145,505,009
  6 1/2s, Dwarf, with due dates from
    October 1, 2010 to August 1, 2028                                         20,852,192   21,223,185    20,852,192     21,223,185
  6 1/2s, with due dates from July 1, 2028
    to August 1, 2028                                                          4,713,851    4,793,374     4,713,851      4,793,374
  5 1/2s, Dwarf, with due dates from
     June 1, 2009 to March 1, 2012                21,379,040     21,292,026                              21,379,040     21,292,026
Government National Mortgage Association
  Pass-through Certificates
  9s, with due dates from November 15, 2008
    to July 15, 2024                              42,210,526     45,353,563                              42,210,526     45,353,563
  8 1/2s, with due dates from February 15, 2005
    to December 15, 2024                           9,448,417      9,998,023                               9,448,417      9,998,023
  8s, with due dates from August 15, 2006
    to March 15, 2028                             29,424,998     30,764,466                              29,424,998     30,764,466
  8s, with due dates from January 15, 2001
    to February 15, 2028                                                      26,076,262   27,268,747    26,076,262     27,268,747
  7 1/2s, with due dates from
    February 15, 2022 to January 15, 2028        127,091,400    131,803,378                             127,091,400    131,803,378
  7s, with due dates from August 15, 2025
    to June 15, 2028                                                          65,247,385   67,348,511    65,247,385     67,348,511
  7s, with due dates from February 15, 2024
    to July 15, 2028                             399,573,621    412,435,174                             399,573,621    412,435,174
  6 1/2s, with due dates from March 15, 2028
    to June 15, 2028                                                           6,149,440    6,285,834     6,149,440      6,285,834
  6 1/2s, with due dates from February 15, 2028
    to May 15, 2028                               29,660,775     30,318,651                              29,660,775     30,318,651
Government National Mortgage Association Adjustable Rate Mortgages
7s, October 20, 2024                                                           2,347,042    2,403,512     2,347,042      2,403,512
5 1/2s, April 15, 2028                                                            78,932       79,105        78,932         79,105


U.S. Treasury Bonds
  11 7/8s, November 15, 2003 #                                                13,740,000   18,368,594    13,740,000     18,368,594
  11 5/8s, November 15, 2004                                                  11,900,000   16,422,000    11,900,000     16,422,000
  9 7/8s, November 15, 2015                       50,000,000     77,297,000                              50,000,000     77,297,000
  8 1/8s, August 15, 2019                                                      3,935,000    5,390,320     3,935,000      5,390,320
  7 1/2s, November 15, 2024                                                    7,988,000   10,600,316     7,988,000     10,600,316
  6 1/8s, November 15, 2027                        5,665,000      6,530,669    5,500,000    6,340,455    11,165,000     12,871,124
  5 1/2s, August 15, 2028                        200,000,000    216,188,000   12,272,000   13,265,296   212,272,000    229,453,296
U.S. Treasury Notes
  6 1/4s, June 30, 2002                            1,145,000      1,218,532                               1,145,000      1,218,532
  5 7/8s, September 30, 2002                                                   2,830,000    2,985,650     2,830,000      2,985,650
  5 5/8s, May 15, 2008                            36,040,000     39,418,750   13,505,000   14,771,094    49,545,000     54,189,844
</TABLE>

<PAGE>

<TABLE>
<S>                                  <C>            <C>                 <C>      <C>          <C>                   <C>
  5 1/2s, May 31, 2003                 9,575,000        10,044,750                              9,575,000               10,044,750
  5 3/8s, June 30, 2003              136,000,000       142,226,080                            136,000,000              142,226,080
  5 1/4s, August 15, 2003                                               955,000       997,679     955,000                  997,679

Total U.S. Governement and Agency Obligations       $1,456,971,473               $254,322,499                       $1,711,293,972
(cost $1,397,453,955, $250,193,361
and $1,647,647,316 respectively)

<CAPTION>
                                        Principal          -%*  Principal               15.4%*  Principal                     3.0%*
Corporate Bonds and Notes               Amount      Value       Amount         Value            Amount             Value
- -----------------------------------------------------------------------------------------------------------------------------------
<S>                                                                   <C>           <C>                  <C>           <C>
Arco Chemical deb. 9.8s, 2020                                           820,000         817,335            820,000         817,335
AT&T Capital Corp. notes 6 6s, 2005                                   1,420,000       1,477,581          1,420,000       1,477,581
AirTouch Communications notes  6.65s, 2008                            1,750,000       1,889,755          1,750,000       1,889,755
Amvescap PLC 6.6s, 2005 (United Kingdom)                              1,730,000       1,749,463          1,730,000       1,749,463
Canadian Pacific Ltd. deb. 9.45s,
    2021 (Canada)                                                     1,430,000       1,782,538          1,430,000       1,782,538
Chrysler Corp. deb. Ser. B, 7.45s, 2097                                 430,000         473,920            430,000         473,920
Coastal Corp. deb. 6 1/2s, 2008                                       1,600,000       1,638,992          1,600,000       1,638,992
Coastal Corp. bonds 6.95s, 2028                                       1,735,000       1,677,901          1,735,000       1,677,901
Continental Airlines pass-through
    certificates Ser. 97CI, 7.42s, 2007                               1,645,000       1,735,047          1,645,000       1,735,047
Dell Computer Corp. deb. 7.1s, 2028                                   1,320,000       1,375,361          1,320,000       1,375,361
Edison Mission Energy 144A
    company guaranty 7.33s, 2008                                      1,070,000       1,201,064          1,070,000       1,201,064
Enron Corp. notes 6.4s, 2006                                            550,000         562,942            550,000         562,942
Enron Corp. notes 6.95s, 2028                                         1,090,000       1,080,517          1,090,000       1,080,517
Executive Risk Capital Trust
    company guaranty Ser. B, 8.675s, 2027                             1,700,000       1,710,574          1,700,000       1,710,574
First Financial Caribbean Corp.
    sr. notes 7.84s, 2006                                             1,865,000       1,999,467          1,865,000       1,999,467
Fleet Financial Group, Inc. sub.
    deb. 6 7/8s, 2028                                                 1,670,000       1,707,542          1,670,000       1,707,542
Global Marine Inc. notes 7s, 2028                                     2,595,000       2,464,757          2,595,000       2,464,757
Markel Capital Trust I
    company guaranty Ser. B, 8.71s, 2046                              1,675,000       1,692,923          1,675,000       1,692,923
Neiman-Marcus Group, Inc. deb. 7 1/8s, 2028                           1,725,000       1,673,612          1,725,000       1,673,612
News America Holdings, Inc. deb. 7.7s, 2025                             840,000         898,296            840,000         898,296
News America Holdings, Inc. deb. 7 3/4s, 2045                         1,705,000       1,801,384          1,705,000       1,801,384
OMEGA Healthcare Investors, Inc.
    notes 6.95s, 2007 (R)                                             1,235,000       1,198,642          1,235,000       1,198,642
PT Alatief Freeport sr. notes
    9 3/4s, 2001 (Netherlands)                                        1,770,000       1,268,205          1,770,000       1,268,205
Paine Webber Group, Inc. sr.
    notes 6.55s, 2008                                                 1,750,000       1,760,780          1,750,000       1,760,780
Peoples Bank-Bridgeport sub.
    notes 7.2s, 2006                                                  1,700,000       1,687,828          1,700,000       1,687,828
Petro Geo-Services AS ADR notes
    7 1/2s, 2007 (Norway)                                             1,885,000       2,010,767          1,885,000       2,010,767
St. Paul Bancorp sr. notes 7 1/8s, 2004                               1,795,000       1,933,879          1,795,000       1,933,879
Salton Sea Funding Corp. company
    guaranty Ser. E, 8.3s, 2011                                       2,010,000       2,335,982          2,010,000       2,335,982
Sun Communities 7 5/8s, 2003 (R)                                      2,020,000       2,180,974          2,020,000       2,180,974
TCI Communications, Inc. sr.
    notes 8.65s, 2004                                                 1,555,000       1,793,957          1,555,000       1,793,957
Teco Energy, Inc. notes 5.54s, 2001                                   1,850,000       1,870,813          1,850,000       1,870,813
Texas Utilities Electric Capital Trust
    V company guaranty 8.175s, 2037                                   1,720,000       1,772,116          1,720,000       1,772,116
Time Warner Inc. 7 3/4s, 2005                                           840,000         936,499            840,000         936,499
Time Warner Entertainment sr.
    notes 8 3/8s, 2033                                                1,685,000       2,056,879          1,685,000       2,056,879
Union Pacific Resources Group Inc.
    notes 6 3/4s, 2008                                                1,920,000       1,959,226          1,920,000       1,959,226
Wilmington Trust Corp. sub. notes
    6 5/8s, 2008                                                      2,590,000       2,742,784          2,590,000       2,742,784

Total Corporate Bonds and Notes                                                     $58,920,302                        $58,920,302
(cost $-,  $53,692,696 and $53,692,696 respectively)

<CAPTION>
                                          Principal              -%*  Principal        14.2%*  Principal                      2.8%*
Collateralized Mortgage Obligations       Amount     Value            Amount      Value        Amount                 Value
- ---------------------------------------------------------------------------------------------------------------------------------
Amresco Commercial Mortgage Funding I
<S>                                       <C>        <C>                <C>           <C>         <C>                      <C>
   Ser. 97-C1, Class A1, 6.73s, 2029                                    684,386       711,146     684,386                  711,146
</TABLE>
<PAGE>
<TABLE>
<S>                                                                   <C>            <C>                <C>              <C>
Chase Mortgage Finance Corp.
 Ser. 1998-S2, Class A14,  6 3/4s, 2028                                 720,000        742,922             720,000         742,922
  Ser. 1994-G, Class B3, 7s, 2025                                     1,299,214      1,274,448           1,299,214       1,274,448
  Interest Only (IO) Ser. 1993-3,
  Class B6, 7.46s, 2024                                                 826,711        875,735             826,711         875,735
  IO Ser. 1993-3, Class B7, 7.46s, 2024                               3,501,413      3,709,046           3,501,413       3,709,046
CMC Securities Corp. III Ser. 1994-F,
  Class B2, 6 1/4s, 2014                                              1,015,940      1,001,653           1,015,940       1,001,653
Commercial Mortgage Acceptance Corp.
  6.03s, 2008                                                         2,670,000      2,741,756           2,670,000       2,741,756
  Ser. 97-ML1, Class A2, 6.53s, 2007                                     75,000         79,113              75,000          79,113
  Ser. 97-ML1, Class A3, 6.57s, 2007                                  1,080,000      1,143,450           1,080,000       1,143,450
  Ser. 97-ML1, Class D, 7.11s, 2030                                   1,010,000      1,065,234           1,010,000       1,065,234
Criimi Mae Commercial Mortgage Trust
  Ser. 98-C1, Class A2, 7s, 2011                                      3,280,000      3,355,850           3,280,000       3,355,850
  Ser. 98-C1, Class B, 7s, 2011                                       1,310,000      1,285,233           1,310,000       1,285,233
Fannie Mae Strip
  Zero %, 294-1 Principal Only (PO),
  February 1, 2028                                                    1,370,744      1,222,746           1,370,744       1,222,746
  6 1/2s,290 IO, December 1, 2024                                     1,529,526        247,114           1,529,526         247,114
First Union-Lehman Brothers
  Commercial Mortgage Co.
  Ser. 97-C2, Class A3, 6.65s, 2007                                   1,725,000      1,823,716           1,725,000       1,823,716
  Ser. 97-C2, Class D, 7.12s, 2012                                    1,160,000      1,184,922           1,160,000       1,184,922
  Ser. 98-C2, Class D, 6.778s, 2013                                   1,270,000      1,257,449           1,270,000       1,257,449
  Ser. 98-C2, Class IO, 0.816s, 2028                                 30,185,000      1,321,773          30,185,000       1,321,773
Freddie Mac Strip
Ser. 194, IO 6 1/2s, 2028                                             4,203,989        707,453           4,203,989         707,453
Ser. 199, IO 6 1/2s, 2028                                               985,737        165,881             985,737         165,881
GMAC Commercial Mortgage Securities Inc.
  Ser. 98-C1, Class A1, 6.44s, 2030                                   1,785,686      1,853,835           1,785,686       1,853,835
  Ser. 98-C1, Class E, 7.153s, 2011                                   1,278,000      1,329,719           1,278,000       1,329,719
GS Mortgae Securities Corp. II
  Ser. 98-GLII, Class A2, 6.562s, 2031                                1,030,000      1,080,856           1,030,000       1,080,856
  Ser. 98-GLII, Class D, 7.191s, 2031                                   565,000        573,828             565,000         573,828
Housing Securities Inc. Ser. 1993-J,
  Class J2, 6.66s, 2009                                               2,487,753      2,612,918           2,487,753       2,612,918
Merrill Lynch Mortgage Investors, Inc.
  Ser. 98-C2, Class D, 7.116s, 2030                                     159,000        165,087             159,000         165,087
Morgan Stanley Capital I
  Ser. 96-WF1, Class A2, 7.218s, 2006                                   610,000        655,178             610,000         655,178
  Ser. 98-XL1, Class E, 6.989s, 2030                                    315,000        327,403             315,000         327,403
Prudential Home Mortgage Securities
 Ser. 1994-28, Class B2, 6.803s, 2001                                 2,632,131      2,606,632           2,632,131       2,606,632
 Ser. 94-D, Class 3B, 6.312s, 2009                                    4,307,378      4,275,746           4,307,378       4,275,746
 Ser. 93-31, Class B1, 6s, 2000                                       3,633,057      3,580,831           3,633,057       3,580,831
Residential Funding Mortgage Securities
  Ser. 93-S17, Class M3, 7s, 2008                                       890,489        910,386             890,489         910,386
  Ser. 93-S23, Class M3, 6 1/2s, 2008                                   681,688        687,760             681,688         687,760
RFM-98 SB 6 3/4s, 2008                                                1,740,000      1,829,036           1,740,000       1,829,036
Sears Mortgage Securities, Ser. 1993-7,
  Class T-7, 7s, 2007                                                   750,000        764,498             750,000         764,498
Securitized Asset Sales, Inc.
  Ser. 93-J, Class 2B, 6.808s, 2023                                   3,337,412      3,374,958           3,337,412       3,374,958
  Mtge. Pass Thru Certifcates Ser. 1994-3,
    Class B1, 6.11s, 1999                                             1,801,857      1,787,217           1,801,857       1,787,217

Total Collateralized Mortgage Obligations                                         $ 54,332,528                        $ 54,332,528
(cost $-, $50,856,745 and $50,856,475,
respectively)

Foreign Government Bonds and Notes               Principal       -%*   Principal          2.2%*  Principal              0.4%*
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
                                                 Amount        Value            Amount     Value              Amount Value
                                                 -----------------------------------------------------------------------------------
<S>                                                          <C>                <C>        <C>            <C>        <C>
Germany (Federal Republic of)
  bonds Ser. 98, 5 5/8s, 2028                                                   6,390,000      4,305,306   6,390,000      4,305,306
Ontario (Province of)
  sr. unsub. 5 1/2s, 2008                                                       4,010,000      4,077,769   4,010,000      4,077,769

Total Foreign Government
  Bonds and Notes                                                               10,400,000 $   8,383,075  10,400,000 $    8,383,075
(cost $-, $7,615,741
 and $7,615,741)

<CAPTION>
Asset Backed Securities
(cost $-, $1,290,395 and                         Principal                  -%* Principal           0.3%*Principal             0.1%
 $1,290,395, respectively)                       Amount        Value            Amount     Value         Amount      Value
                                                 -----------------------------------------------------------------------------------
<S>                                              <C>           <C>         <C>  <C>        <C>           <C>         <C>
Green Tree Recreational Equipment &
  Cons. Ser. 98-A, Class A1C, 6.18s, 2019                                       $1,290,395 $   1,318,270  $1,290,395  $   1,318,270

<CAPTION>
Short Term Securities                            Principal                7.7%* Principal             -%*  Principal           6.2%
                                                 Amount        Value            Amount      Value             Amount Value
                                                ------------------------------------------------------------------------------------
<S>                                              <C>           <C>          <C> <C>        <C>          <C>          <C>
Interest in $750,000,000 joint tri-party
  repurchase agreement dated
  September 30, 1998 with
  Goldman Sachs & Co. due
  October 1, 1998 with respect
  to various U.S. Treasury
  obligations -- maturity value
  of $60,009,083 for an effective
  yield of 5.45%                                 $ 60,000,000  $    60,009,083                          $ 60,000,000    $ 60,009,083
Interest in $458,140,000 joint repurchase
  agreement dated September 30, 1998
  with Swiss Bank due October 1, 1998 with
  respect to various U.S. Treasury
  obligations -- maturity value of
  $61,978,467 for an effective yield of 5.50%      61,969,000       61,978,467                            61,969,000      61,978,467

Total Short Term Investments                                   $   121,987,550                                         $ 121,987,550
(cost $121,987,550, $- and $121,987,550,
 respectively)

Total Investments
(cost $1,519,441,505, $363,648,938 and
$1,883,090,443, respectively)                                  $ 1,578,959,023             $ 377,276,674             $1,956,235,697
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

Certain securities of the High Quality Bond Fund do not conform to the
investment policies of the American Government Income Fund.

*Percentages indicated are based on net assets as follows:
- -------------------------------------------------------------
- -------------------------------------------------------------
<TABLE>
<CAPTION>
                                             Net Assets
- -------------------------------------------------------------
<S>                                          <C>
American Government Income Fund             $ 1,590,330,183

High Quality Bond Fund                           379,312,304

Proforma                                     $ 1,969,427,487
- -------------------------------------------------------------
</TABLE>

# A portion of this security was pledged and segregated with the custodian to
cover margin requirements for futures contracts at September 30, 1998.

(R) Real Estate Investment Trust.

144A after the name of a security represents those exempt from registration
under Rule 144A of the Securities Act of 1933. These securities may be resold in
transactions exempt from registration, normally to qualified institutional
buyers.

TBA after the name of a security represents to be announced securities.

ADR after the name of a foreign holding stands for American Depository Receipts
representing ownership of foreign securities on deposit with a domestic
custodian bank.

<PAGE>

<TABLE>
<CAPTION>
039
Putnam High Quality Bond Fund
Forward Currency Contracts to Buy at September 30, 1998
                                                                               Unrealized
                                       Aggregate Face    Delivery           Appreciation/
                   Market Value                 Value        Date           (Depreciation)

- ------------------------------------------------------------------------------------------
<S>                 <C>                   <C>            <C>                    <C>
Deutschemarks       $ 3,776,909           $ 3,646,092    12/16/98               $ 130,817

- ------------------------------------------------------------------------------------------
                                                                                $ 130,817
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
039
Putnam High Quality Bond Fund
Forward Currency Contracts to Sell at September 30, 1998
                                                                             Unrealized
                       Market        Aggregate Face    Delivery           Appreciation/
                        Value                 Value        Date          (Depreciation)
- ------------------------------------------------------------------------------------------
<S>               <C>                   <C>            <C>                   <C>
Deutschemarks     $ 7,714,354           $ 7,442,886    12/16/98              $ (271,468)
- ------------------------------------------------------------------------------------------
                                                                             $ (271,468)
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
039
Putnam High Quality Bond Fund
TBA Commitments to Sell Outstanding at September 30, 1998
  (proceeds receivable $7,568,881)

               Agency                 Principal Amount      Settlement date  Market Value

- ------------------------------------------------------------------------------------------
<S>                                          <C>            <C>                <C>
FNMA 6 1/2s, October 15, 2028                7,325,000                          7,448,573
GNMA 8s, October 15, 2028                      195,000                            203,165
- ------------------------------------------------------------------------------------------
                                                                               $7,651,738

- ------------------------------------------------------------------------------------------
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
039
Putnam High Quality Bond Fund
Futures Contracts Outstanding at September 30, 1998
                                                                               Unrealized
                                       Aggregate Face    Delivery           Appreciation/
                   Market Value                 Value        Date           (Depreciation)

- ------------------------------------------------------------------------------------------
<S>                 <C>                   <C>            <C>                    <C>
U.S. Treasury
 Bonds 20yr         13,278,344            12,618,764     Dec 98                 659,580

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

</TABLE>

<PAGE>

<TABLE>
<CAPTION>
Proforma Combining
Statement of Operations
Twelve months ended September 30, 1998 (Unaudited)

                                                            American
                                                            Government     High Quality      Pro Forma      Pro Forma
                                                           Income Fund      Bond Fund        Adjustments    Combined
- -------------------------------------------------------------------------------------------------------------------------
<S>                                                        <C>              <C>             <C>             <C>
Investment Income:
Interest (net of foreign tax of $-, $52,428 and
   $52,428, respectively)                                  $102,619,416     $24,374,694                     $126,994,110
- -------------------------------------------------------------------------------------------------------------------------
  Total Investment Income                                   102,619,416      24,374,694             0       $126,994,110

Expenses:
Compensation of Manager                                       8,502,645       2,262,421      (504,984)A       10,260,082
Investor servicing and custodian fees                         2,286,373         682,170       (56,413)A        2,912,130
Compensation of Trustees                                         40,996          15,647                           56,643
Administrative Services                                          19,019           7,129          (215)A           25,933
Distiribution Fee - Class A                                   3,738,144         917,534                        4,655,678
Distribution Fee - Class B                                      407,482         157,046                          564,528
Distribution Fee - Class M                                        8,892           7,219                           16,111
Reports to Shareholders                                         134,829          40,141       (34,484)A          140,486
Registration Fee                                                                     75           (75)A                -
Auditing Fee                                                     46,236          50,398       (50,398)A           46,236
Legal Fee                                                        13,416           8,460                           21,876
Postage Fee                                                     375,789          70,252                          446,041
Other Expenses                                                  312,734          92,461                          405,195
- -------------------------------------------------------------------------------------------------------------------------
Total Expenses                                               15,886,555       4,310,953      (646,569)        19,550,939
=========================================================================================================================
Expense reduction                                              (733,802)       (323,703)                      (1,057,505)
=========================================================================================================================
Net expenses                                                 15,152,753       3,987,250      (646,569)        18,493,434
=========================================================================================================================
Net investment income                                        87,466,663      20,387,444       646,569        108,500,676
=========================================================================================================================
Net realized gain on investments                             42,372,651      10,886,433                       53,259,084
Net realized loss on futures contracts                                         (883,765)                        (883,765)
Net realized gain on foreign currency transactions                              545,735                          545,735
Net unrealized appreciation of assets and libilities
in foreign currencies during the year                                           244,010                          244,010
Net unrealized appreciation of investments, futures
and TBA sale commitments during the year                     43,680,120      (4,995,949)                      38,684,171
=========================================================================================================================
Net gain on investments                                      86,052,771       5,796,464             0         91,849,235
=========================================================================================================================
Net increase in net assets
resulting from operations                                  $173,519,434     $26,183,908     $ 646,569       $200,349,911
=========================================================================================================================
</TABLE>


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