PIONEER BOND FUND /MA/
485BPOS, 1998-10-26
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                                                              File Nos. 2-62436
                                                              811-02864

As Filed with the Securities and Exchange Commission on October   , 1998




                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM N-1A
                                                              
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933          /_X__/
                                                             
           Pre-Effective Amendment No. ___                      /____/
                                                             
           Post-Effective Amendment No. 26                      /_X__/

                                     and/or

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940 / X  /

           Amendment No. 25                                     /_X _/
                             (Check appropriate box or boxes)

                                PIONEER BOND FUND
               (Exact name of registrant as specified in charter)

                  60 State Street, Boston, Massachusetts 02109
                (Address of principal executive office) Zip Code

       Registrant's Telephone Number, including Area Code: (617) 742-7825

                       Joseph P. Barri, Hale and Dorr LLP,
                           60 State Street, Boston, MA
                           02109 (Name and address of
                               agent for service)

It is proposed that this filing will become effective (check appropriate box)

           _ _        immediately upon filing pursuant to paragraph (b)
           _X_        on October 28, 1998 pursuant to paragraph (b)
            _         60 days after filing pursuant to paragraph (a)(1)
           _ _        on [date] pursuant to paragraph (a)(1) of Rule 485



<PAGE>


                               PIONEER BOND FUND
                           CLASS A, CLASS B AND CLASS C SHARES
            Cross-Reference Sheet Showing Location in Prospectus and
                     Statement of Additional Information of
             Information Required by Items of the Registration Form

                                          Location in
                                          Prospectus or
                                          Statement of
                                          Additional
Form N-1A Item Number and Caption         Information

1.  Cover Page............................Prospectus - Cover Page

2.  Synopsis..............................Prospectus - Expense Information

3.  Condensed Financial Information.......Prospectus - Financial Highlights

4.  General Description of Registrant.....Prospectus - Investment Objectives
                                          and Policies; Management of the Fund;
                                          The Fund

5.  Management of the Fund................Prospectus - Management of the Fund

6.  Capital Stock and Other Securities....Prospectus - Investment Objectives 
                                          and Policies; The Fund

7.  Purchase of Securities Being Offered..Prospectus - Fund Share Alternatives;
                                          How to Buy Fund Shares; Shareholder
                                          Services; Distribution Plans

8.  Redemption or Repurchase..............Prospectus - Fund Share Alternatives;
                                          How to Sell Fund Shares; Shareholder
                                          Services

9.  Pending Legal Proceedings.............Not Applicable

10. Cover Page............................Statement of Additional Information
                                          - Cover Page

<PAGE>

                                          Location in
                                          Prospectus or
                                          Statement of
                                          Additional
Form N-1A Item Number and Caption         Information


11. Table of Contents.....................Statement of Additional Information
                                          - Cover Page

12. General Information and History.......Statement of Additional Information
                                          - Cover Page; Description of Shares

13. Investment Objectives and Policies....Statement of Additional Information
                                          - Investment Policies and Restrictions

14. Management of the Fund................Statement of Additional Information
                                          - Management of the Fund; Investment
                                          Adviser

15. Control Persons and Principal Holders
        of Securities.....................Statement of Additional Information
                                          - Management of the Fund

16. Investment Advisory and Other
        Services..........................Statement of Additional Information
                                          - Management of the Fund; Investment
                                          Adviser; Underwriting Agreement and
                                          Distribution Plans; Shareholder 
                                          Servicing/Transfer Agent; Custodian;
                                          Independent Public Accountants

17. Brokerage Allocation and Other
        Practices.........................Statement of Additional Information
                                          - Portfolio Transactions

18. Capital Stock and Other Securities....Statement of Additional Information 
                                          - Description of Shares; Certain
                                          Liabilities
<PAGE>

                                          Location in
                                          Prospectus or
                                          Statement of
                                          Additional
Form N-1A Item Number and Caption         Information


19. Purchase Redemption and Pricing of
        Securities Being Offered..........Statement of Additional Information 
                                          - Determination of Net Asset Value;
                                          Systematic Withdrawal Plan; Letter
                                          of Intention

20. Tax Status............................Statement of Additional Information
                                          - Tax Status

21. Underwriters..........................Statement of Additional Information
                                          - Principal Underwriter; Underwriting
                                          Agreement and Distribution Plans

22. Calculation of Performance Data.......Statement of Additional Information
                                          - Investment Results

23. Financial Statements..................Statement of Additional Information
                                          - Financial Statements


<PAGE>


Pioneer                                                      [PIONEER LOGO]
Bond
Fund



Class A, Class B and Class C Shares
Prospectus
   
October 28, 1998
    

      Pioneer Bond Fund (the "Fund") seeks current income from a high quality
portfolio with due regard to preservation of capital and prudent investment
risk. Consistent therewith, the Fund also seeks to maintain dividend payments at
a relatively stable level. At least 85% of the Fund's total assets must be
invested in debt securities issued or guaranteed by the United States ("U.S.")
Government or its agencies or instrumentalities, debt securities (including
convertible securities) rated within the three highest grades by the major
recognized bond services and comparably rated commercial paper and cash and cash
equivalents. The Fund may invest the balance (up to 15%) of its total assets in
debt securities that are rated in the fourth highest grade by the major
recognized bond services and in commercial paper that is of comparable quality.


   
      Fund returns and share prices fluctuate and the value of your account upon
redemption may be more or less than your purchase price. Shares in the Fund are
not deposits or obligations of, or guaranteed or endorsed by, any bank or
depository institution, and the shares are not federally insured by the Federal
Deposit Insurance Corporation, the Federal Reserve Board or any other government
agency.


      This Prospectus provides the information about the Fund that you should
know before investing. Please read and retain it for your future reference. More
information about the Fund is included in the Statement of Additional
Information also dated October 28, 1998, as supplemented or revised from time to
time, which is incorporated into this Prospectus by reference. A copy of the
Statement of Additional Information may be obtained free of charge by calling
Shareholder Services at 1-800-225-6292 or by written request to the Fund at 60
State Street, Boston, Massachusetts 02109. Other information about the Fund has
been filed with the Securities and Exchange Commission (the "SEC") and is
available upon request and without charge by calling 1-800-225-6292 or through
the SEC's Internet web site (http://www.sec.gov).
    



   
<TABLE>
<CAPTION>
          TABLE OF CONTENTS                                         PAGE
          --------------------------------------------------------------
<S>       <C>                                                       <C>
I.        EXPENSE INFORMATION ...................................      2
II.       FINANCIAL HIGHLIGHTS ..................................      2
III.      INVESTMENT OBJECTIVES AND POLICIES ....................      4
IV.       MANAGEMENT OF THE FUND ................................      5
V.        FUND SHARE ALTERNATIVES ...............................      6
VI.       SHARE PRICE ...........................................      7
VII.      HOW TO BUY FUND SHARES ................................      7
VIII.     HOW TO SELL FUND SHARES ...............................     11
IX.       HOW TO EXCHANGE FUND SHARES ...........................     12
X.        DISTRIBUTION PLANS ....................................     13
XI.       DIVIDENDS, DISTRIBUTIONS AND TAXATION .................     13
XII.      SHAREHOLDER SERVICES ..................................     14
           Account and Confirmation Statements ..................     14
           Additional Investments ...............................     14
           Automatic Investment Plans ...........................     14
           Financial Reports and Tax Information ................     15
           Distribution Options .................................     15
           Directed Dividends ...................................     15
           Direct Deposit .......................................     15
           Voluntary Tax Withholding ............................     15
           Telephone Transactions ...............................     15
           FactFoneSM ...........................................     15
           Retirement Plans .....................................     16
           Telecommunications Device for the Deaf (TDD) .........     16
           Systematic Withdrawal Plans ..........................     16
           Reinstatement Privilege (Class A Shares Only) ........     16
XIII.     THE FUND ..............................................     16
XIV.      INVESTMENT RESULTS ....................................     16
</TABLE>
    

                             --------------------
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION NOR HAS THE COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY
OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.


<PAGE>

I. EXPENSE INFORMATION

   
     This table is designed to help you understand the charges and expenses that
you, as a shareholder, will bear directly or indirectly when you invest in the
Fund. The table reflects annual operating expenses based upon actual expenses
incurred for the fiscal year ended June 30, 1998.
    


   
<TABLE>
<CAPTION>
                                              Class A        Class B       Class C
                                           ------------   ------------   ----------
<S>                                        <C>            <C>            <C>
Shareholder Transaction Expenses
 Maximum Initial Sales Charge on
  Purchases (as a percentage of
  offering price) ......................      4.50%(1)       None          None
 Maximum Sales Charge on
  Reinvestment of Dividends ............      None            None         None
 Maximum Deferred Sales Charge (as
  a percentage of purchase price
  or redemption proceeds, as
  applicable) ..........................      None(1)         4.00%        1.00%
 Redemption Fee2 .......................      None            None         None
 Exchange Fee ..........................      None            None         None
Annual Operating Expenses (as a percentage 
  of average net assets):
 Management Fee ........................      0.50%           0.50%        0.50%
 12b-1 Fees ............................      0.25%           1.00%        1.00%
 Other Expenses (including accounting
  and transfer agent fees, custodian
  fees and printing expenses)3 .........      0.43%           0.48%        0.40%
                                             ------          -----        -----
Total Operating Expenses ...............      1.18%           1.98%        1.90%
                                             ======          =====        =====
</TABLE>
    

- --------------------
1  Purchases of $1 million or more and certain purchases by participants in a
   group plan are not subject to an initial sales charge but may be subject to a
   contingent deferred sales charge ("CDSC") as further described under "How to
   Sell Fund Shares."

   
2  Separate fees (currently $10 and $20, respectively) apply to U.S. and
   international wire transfers of redemption proceeds.

3  Expenses do not reflect reductions of certain third-party brokerage/service
   and expense offset arrangements. Because of these arrangements, "Total
   Operating Expenses" were 1.17%, 1.97% and 1.89% for Class A, Class B and
   Class C shares, respectively, for the fiscal year ended June 30, 1998.
    


 Example:
   
     You would pay the following expenses on a $1,000 investment, with or
without redemption at the end of each time period, assuming a 5% annual return,
reinvestment of all dividends and distributions and that the percentage amounts
listed under "Annual Operating Expenses" remain the same each year.
    


   
<TABLE>
<CAPTION>
                             1 Year     3 Years     5 Years     10 Years
                            --------   ---------   ---------   ---------
<S>                            <C>        <C>        <C>         <C>
Class A Shares                 $56        $81        $107        $182
Class B Shares*
 - Assuming complete
    redemption at end of
    period                     $60        $92        $127        $210
 - Assuming no
    redemption                 $20        $62        $107        $210
Class C shares**
 - Assuming complete
    redemption at end of
    period                     $29        $60        $103        $222
 - Assuming no
    redemption                 $19        $60        $103        $222
</TABLE>
    

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

 *   Class B shares convert to Class A shares eight years after purchase;
     therefore, Class A share expenses are used after year eight.

**   Class C shares redeemed during the first year after purchase are subject to
     a 1% CDSC.

   
     The example is designed for information purposes only, and should not be
considered a representation of past or future expenses or return. Actual Fund
expenses and return will vary from year to year and may be higher or lower than
those shown.

     For further information regarding management fees, Rule 12b-1 fees and
other expenses of the Fund, see "Management of the Fund," "Distribution Plans"
and "How to Buy Fund Shares" in this Prospectus and "Management of the Fund" and
"Underwriting Agreement and Distribution Plans" in the Statement of Additional
Information. The Fund's payment of a Rule 12b-1 fee may result in long-term
shareholders paying more than the economic equivalent of the maximum sales
charge permitted under the Conduct Rules of the National Association of
Securities Dealers, Inc. 
    

     The maximum initial sales charge is reduced on purchases of specified
amounts of Class A shares and the value of Class A shares owned in other Pioneer
mutual funds is taken into account in determining the applicable initial sales
charge. See "How to Buy Fund Shares." No sales charge is applied to exchanges of
shares of other publicly available Pioneer mutual funds. See "How to Exchange
Fund Shares."


II. FINANCIAL HIGHLIGHTS
   
     The following information has been audited by Arthur Andersen LLP,
independent public accountants. Arthur Andersen LLP's report on the Fund's
financial statements as of June 30, 1998 appears in the Fund's Annual Report
which is incorporated by reference into the Statement of Additional Information.
The information listed below should be read in conjunction with those financial
statements. The Annual Report includes more information about the Fund's
performance and is available free of charge by calling Shareholder Services at
1-800-225-6292. 
    




                                       2
<PAGE>

PIONEER BOND FUND 
   
Selected Data for a Class A Share Outstanding For Each Period:
    



   
<TABLE>
<CAPTION>
                                                  For the Year Ended June 30,
                                      ---------------------------------------------------
                                          1998         1997         1996         1995
                                      ------------ ------------ ------------ ------------
<S>                                     <C>          <C>          <C>          <C>
Net asset value, beginning of
 period .............................   $  9.07      $  9.08      $  9.35      $  9.04
                                        -------      -------      -------      -------
Increase (decrease) from investment 
  operations:
 Net investment income ..............   $  0.59      $  0.63      $  0.64      $  0.68
 Net realized and unrealized gain
  (loss) on investments .............      0.30        (0.01)       (0.27)        0.31
                                        -------      -------      -------      -------
  Net increase (decrease) from
   investment operations ............   $  0.89      $  0.62      $  0.37      $  0.99
Distributions to shareholders:
 Net investment income ..............     (0.59)       (0.63)       (0.64)        (0.68)
                                        -------      -------      -------      --------
Net increase (decrease) in net
 asset value ........................   $  0.30      $ (0.01)     $ (0.27)     $  0.31
                                        -------      -------      -------      --------
Net asset value, end of period ......   $  9.37      $  9.07      $  9.08      $  9.35
                                        =======      =======      =======      ========
Total return* .......................     10.04%        7.09%        4.02%        11.48%
Ratio of net expenses to average
 net assets .........................      1.18%+       1.14%+       1.19%+        1.14%
Ratios/Supplemental Data
Ratio of net investment income to
 average net assets .................      6.34%+       6.97%+       6.80%+        7.55%
Portfolio turnover rate .............        44%          48%          39%           37%
Net assets, end of period
 (in thousands) .....................   $114,326     $98,310      $101,957     $110,158
Ratios assuming reduction for
 fees paid indirectly:
 Net expenses .......................      1.17%        1.12%        1.18%           --
 Net investment income (loss) .......      6.35%        6.99%        6.81%           --



<CAPTION>
                                                            For the Year Ended June 30,
                                      -----------------------------------------------------------------------
                                          1994         1993         1992        1991       1990       1989
                                      ------------ ------------ ------------ ---------- ---------- ----------
<S>                                     <C>          <C>          <C>         <C>        <C>        <C>
Net asset value, beginning of
 period .............................   $  9.81      $  9.37      $  8.99     $ 8.92     $ 9.18     $ 9.04
                                        -------      -------      -------     -------    -------    -------
Increase (decrease) from investment 
  operations:
 Net investment income ..............   $  0.67      $  0.70      $  0.74     $ 0.79     $ 0.81     $ 0.81
 Net realized and unrealized gain
  (loss) on investments .............     (0.77)        0.44         0.39       0.07      (0.26)      0.14
                                        -------      -------      -------     -------    -------    -------
  Net increase (decrease) from
   investment operations ............   $ (0.10)     $  1.14      $  1.13     $ 0.86     $ 0.55     $ 0.95
Distributions to shareholders:
 Net investment income ..............     (0.67)       (0.70)       (0.75)     (0.79)     (0.81)     (0.81)
                                        -------      -------      -------     ------     ------     ------
Net increase (decrease) in net
 asset value ........................   $ (0.77)     $  0.44      $  0.38     $ 0.07     $(0.26)    $ 0.14
                                        -------      -------      -------     ------     ------     ------
Net asset value, end of period ......   $  9.04      $  9.81      $  9.37     $ 8.99     $ 8.92     $ 9.18
                                        =======      =======      =======     ======     ======     ======
Total return* .......................     (1.26)%      12.67%       13.03%     10.13%      6.24%     11.17%
Ratio of net expenses to average
 net assets .........................      1.05%        1.10%        1.09%      1.02%      0.88%      0.86%
Ratios/Supplemental Data
Ratio of net investment income to
 average net assets .................      6.93%        7.37%        8.04%      8.82%      9.01%      8.99%
Portfolio turnover rate .............        39%          37%          17%        20%        34%        34%
Net assets, end of period
 (in thousands) .....................  $106,659     $112,900     $102,503    $76,476    $74,137    $64,261
Ratios assuming reduction for 
 fees paid indirectly:
 Net expenses .......................        --           --           --         --         --         --
 Net investment income (loss) .......        --           --           --         --         --         --
</TABLE>
    

   
Selected Data for a Class B Share Outstanding For Each Period:
    

   
<TABLE>
<CAPTION>
                                                                                    For the Year
                                                                                   Ended June 30,
                                                                  -------------------------------------------------
                                                                      1998         1997         1996        1995
                                                                  ------------ ------------ ------------ ----------
<S>                                                                 <C>          <C>          <C>         <C>
Net asset value, beginning of period ............................   $  9.03      $  9.02      $  9.31     $ 9.02
                                                                    -------      -------      -------     ------
Increase (decrease) from investment operations:
 Net investment income ..........................................   $  0.51      $  0.56      $  0.57     $ 0.60
 Net realized and unrealized gain (loss) on investments .........      0.31        (0.01)       (0.28)      0.31
                                                                    -------      -------      -------     ------
  Net increase (decrease) from investment operations ............   $  0.82      $  0.55      $  0.29     $ 0.91
Distributions to shareholders:
 Net investment income ..........................................     (0.52)       (0.54)       (0.57)     (0.62)
 In excess of net investment income .............................        --           --        (0.01)        --
                                                                    -------      -------      -------     -------
Net increase (decrease) in net asset value ......................   $  0.30      $  0.01      $ (0.29)    $ 0.29
                                                                    -------      -------      -------     -------
Net asset value, end of period ..................................   $  9.33      $  9.03      $  9.02     $ 9.31
                                                                    =======      =======      =======     =======
Total return* ...................................................      9.21%        6.24%        3.15%     10.57%
Ratios/Supplemental Data
Ratio of net expenses to average net assets .....................      1.98%+       1.97%+       1.96%+      1.97%
Ratio of net investment income to average net assets ............      5.52%+       6.12%+       6.01%+      6.60%
Portfolio turnover rate .........................................        44%          48%          39%         37%
Net assets, end of period (in thousands) ........................   $30,888      $20,104      $14,843     $ 7,338
Ratios assuming reduction for fees paid indirectly:
 Net expenses ...................................................      1.97%        1.96%        1.94%         --
 Net investment income (loss) ...................................      5.53%        6.13%        6.03%         --



<CAPTION>
                                                                    April 4, 1994
                                                                   to June 30, 1994
                                                                  -----------------
<S>                                                                  <C>
Net asset value, beginning of period ............................    $   9.23
                                                                     --------
Increase (decrease) from investment operations:
 Net investment income ..........................................    $   0.14
 Net realized and unrealized gain (loss) on investments .........       (0.21)
                                                                     ---------
  Net increase (decrease) from investment operations ............    $  (0.07)
Distributions to shareholders:
 Net investment income ..........................................       (0.14)
 In excess of net investment income .............................           --
                                                                     ---------
Net increase (decrease) in net asset value ......................    $  (0.21)
                                                                     ---------
Net asset value, end of period ..................................    $   9.02
                                                                     =========
Total return* ...................................................       (0.73)%
Ratios/Supplemental Data
Ratio of net expenses to average net assets .....................        1.92%**
Ratio of net investment income to average net assets ............        6.09%**
Portfolio turnover rate .........................................          39%
Net assets, end of period (in thousands) ........................    $  1,212
Ratios assuming reduction for fees paid indirectly:
 Net expenses ...................................................           --
 Net investment income (loss) ...................................           --
</TABLE>
    

- ----------------------
   
 +Ratio assuming no reduction for fees paid indirectly.
 *Assumes initial investment at net asset value at the beginning of each
  period, reinvestment of all distributions, the complete redemption of the
  investment at net asset value at the end of each period and no sales charges.
  Total return would be reduced if sales charges were taken into account.
    
 **Annualized.

                                       3
<PAGE>

II. FINANCIAL HIGHLIGHTS (continued)

PIONEER BOND FUND
   
Selected Data for a Class C Share Outstanding For Each Period:
    

   
<TABLE>
<CAPTION>
                                                                           For the Year
                                                                          Ended June 30,           January 31, 1996
                                                                    ---------------------------           to
                                                                        1998           1997         June 30, 1996
                                                                    ------------   ------------   -----------------
<S>                                                                 <C>            <C>                  <C>
Net asset value, beginning of period ............................   $ 9.02         $ 9.02               $ 9.54
                                                                    ------         ------               ------
Increase (decrease) from investment operations:
 Net investment income ..........................................   $ 0.52         $ 0.54               $ 0.23
 Net realized and unrealized gain (loss) on investments .........     0.29             --                (0.52)
                                                                    ------         ------               ------
  Net increase (decrease) from investment operations ............   $ 0.81         $ 0.54                (0.29)
Distributions to shareholders:
 Net investment income ..........................................    (0.52)         (0.54)               (0.22)
 In excess of net investment income .............................       --             --                (0.01)
                                                                    ------         ------               ------
Net increase (decrease) in net asset value ......................   $ 0.29         $   --               $(0.52)
                                                                    ------         ------               ------
Net asset value, end of period ..................................   $ 9.31         $ 9.02               $ 9.02
                                                                    ======         ======               ======
Total return* ...................................................     9.12%          6.13%               (3.00)%
Ratios/Supplemental Data
Ratio of net expenses to average net assets .....................     1.90%+         2.05%+               2.18%**+
Ratio of net investment income to average net assets ............     5.58%+         5.83%+               5.79%**+
Portfolio turnover rate .........................................       44%            48%                  39%
Net assets, end of period (in thousands) ........................   $8,515         $4,588               $  343
Ratios assuming a reduction for fees paid indirectly:
 Net expenses ...................................................    1.89%          1.92%                 2.13%**
 Net investment income (loss) ...................................    5.59%          5.96%                 5.84%**
</TABLE>
    

- ------------------------------------------------
   
  +Ratio assuming no reduction for fees paid indirectly. *Assumes initial
  investment at net asset value at the beginning of each period, reinvestment of
  all distributions, the complete redemption of the investment at net asset
  value at the end of each period and no sales charges. Total return would be
  reduced if sales charges were taken into account.
    
 **Annualized.
- ------------------------------------------------
III. INVESTMENT OBJECTIVES AND POLICIES

     The Fund's primary objective is to provide current income from a high
quality portfolio with due regard to preservation of capital and prudent
investment risk. The Fund has a secondary objective of maintaining a relatively
stable level of dividends; however, the level of dividends will be maintained
only if consistent with preserving the high quality of the Fund's portfolio.

     At least 85% of the Fund's total assets must be invested in (a) debt
securities issued or guaranteed by the U.S. Government or its agencies or
instrumentalities, (b) investment-grade securities, that is, debt securities,
including convertible securities, that are rated "A" or higher by the major
recognized bond services (for a description of ratings see the Appendix to the
Statement of Additional Information), and comparably rated commercial paper and
(c) cash and cash equivalents (such as certificates of deposit, repurchase
agreements maturing in one week or less and bankers' acceptances).

     The Fund may also invest up to 15% of its total assets in debt securities,
including convertible securities, which are rated in the fourth highest grade by
the major recognized bond services and commercial paper which is comparable.
Securities in the fourth highest grade (i.e., rated Baa by Moody's Investor
Services, Inc. or BBB by Standard & Poor's Ratings Group) are considered medium
grade, neither highly protected nor poorly secured, with some elements of
uncertainty over any great length of time and certain speculative
characteristics as well.

     None of the Fund's portfolio may be invested in debt securities which are
rated below the fourth highest grade or are unrated, except that the Fund may
hold debt securities the ratings of which are reduced subsequent to purchase.
The Fund may not invest in preferred or common stocks.

     The Fund may invest in the following mortgage-backed securities.
Collateralized mortgage obligations ("CMOs") are obligations fully
collateralized by a portfolio of mortgages or mortgage-related securities.
Payments of principal and interest on the mortgages are passed to a special
purpose entity, then through to the holders of the CMOs on the same schedule as
they are received, although certain classes of CMOs have priority over others
with respect to the receipt of prepayments on the mortgages. Therefore,
depending on the type of CMOs in which the Fund invests, the investment may be
subject to a greater or lesser risk of prepayment than other types of
mortgage-related securities. A real estate mortgage investment conduit ("REMIC")
is a form of CMO that qualifies for special tax treatment under the Internal
Revenue Code of 1986, as amended (the "Code"). The Fund may acquire "regular"
interests in REMICs but does not intend, under current tax law, to acquire
residual interests in REMICs. Mortgage-backed securities are derivative
securities and provide for payments based on or derived from the performance of
the underlying mortgage


                                       4
<PAGE>

assets. Risks associated with mortgage-backed securities include the failure of
a counter-party to meet its commitments, adverse interest rate changes and the
effects of prepayments on mortgage cash flows. When interest rates decline, the
value of an investment in debt obligations can be expected to rise. Conversely,
when interest rates rise the value of an investment in debt obligations can be
expected to decline. Like other debt obligations, when interest rates rise the
value of a mortgage-backed security generally will decline; however, when
interest rates are declining, the value of mortgage-backed securities with
prepayment features may not increase as much as that of other debt obligations.
Mortgage-backed securities may be less effective than traditional debt
obligations of similar maturity at maintaining yields during periods of
declining interest rates.

     Not more than 15% of the Fund's assets may be invested in foreign
securities and not more than 5% of its total assets may be invested in foreign
securities that are not listed on a recognized foreign or domestic exchange,
provided that purchases of Canadian securities are not subject to the
limitations in this paragraph. Investments in foreign securities may be subject
to risks including, but not limited to, foreign taxes and restrictions,
illiquidity and fluctuations in currency values. In addition, the financial
information available on issuers of foreign debt securities is frequently not as
accurate or complete as would be available for a comparable domestic issuer. See
"Other Policies and Risks" in the Statement of Additional Information.

   
     The Fund's portfolio will be managed by purchasing and selling securities,
as well as holding selected securities to maturity. The Fund's investment
manager, Pioneering Management Corporation ("PMC"), employs "cycle analysis" in
the management of the Fund's portfolio. Cycle analysis is the process of
analyzing the business and credit cycles of the economy to identify and monitor
trends in interest rates and to identify debt securities with characteristics
most likely to meet the Fund's objectives at given stages in the cycles. Relying
on analysis of economic indicators, as well as price, yield and maturity data of
individual securities, this process requires ongoing adjustments to the
portfolio based on the relative values or maturities of individual debt
securities or changes in the creditworthiness or overall investment merit of an
issue.


     Any such change in the portfolio may result in increases or decreases in
the Fund's current income available for distribution to shareholders and in its
holding of debt securities which sell at moderate to substantial premiums or
discounts from face value. If the Fund's expectations of changes in interest
rates or its evaluation of the normal yield relationships between two securities
prove to be incorrect, the Fund's income, net asset value and potential capital
gain may be reduced or its potential capital loss may be increased. An increase
in interest rates will generally reduce the value of portfolio investments (and,
therefore, the net asset value of the shares of the Fund), and a decline in
interest rates will generally increase their value.
    


     It is the policy of the Fund not to engage in trading for short-term
profits. The Fund will engage in portfolio trading if it believes a transaction
net of costs (including custodian's fees) will contribute to the achievement of
its investment objective. See "Financial Highlights" for actual portfolio
turnover rates.

     The foregoing objectives and investment policies (other than the discussion
of "cycle analysis") may not be changed without shareholder approval. Government
securities include U.S. Treasury obligations such as bills, bonds and notes
which principally differ in their interest rates, maturities and times of
issuance, and obligations issued or guaranteed by U.S. Government agencies or
instrumentalities supported by the full faith and credit of the U.S. Treasury
(securities of the Government National Mortgage Association, "GNMA"), the
authority of the U.S. Government to purchase certain obligations of the issuer
(securities of the Federal National Mortgage Association, "FNMA"), the limited
authority of the issuer to borrow from the U.S. Treasury (securities of the
Student Loan Marketing Association) or only the credit of the issuer. No
assurance can be given that the U.S. Government will provide financial support
to U.S. Government agencies or instrumentalities in the future, other than as
set forth above, since it is not legally obligated to do so. Interest payments
of U.S. Treasury obligations are generally fixed. Other investment policies and
restrictions on investment are described in the Statement of Additional
Information, including a policy on lending portfolio securities. Since all
investments are subject to inherent market risks and fluctuations in value due
to earnings, economic conditions and other factors, the Fund, of course, cannot
assure that its investment objectives will be achieved.


IV. MANAGEMENT OF THE FUND

   
     The Fund's Board of Trustees has overall responsibility for management and
supervision of the Fund. The Board meets at least quarterly. By virtue of the
functions performed by PMC as investment adviser, the Fund requires no employees
other than its executive officers, all of whom receive their compensation from
PMC or other sources. The Statement of Additional Information contains the name
and general background of each Trustee and executive officer of the Fund.

     Ms. Theresa A. Hamacher, chief investment officer of PMC, has general
responsibility for PMC's investment operations. Ms. Hamacher joined PMC in 1997
and has been an investment professional since 1984. Mr. David Tripple, who
formerly served as chief investment officer, continues as president of PMC and
executive vice president of all the Pioneer mutual funds.

     Sherman B. Russ and Kenneth J. Taubes are jointly responsible for
overseeing PMC's U.S. and global fixed income team. Mr. Russ, senior vice
president of PMC, joined PMC in 1983 and has been an investment professional
since 1962. Mr. Taubes joined PMC as a vice president in September 1998 and has
been an investment professional since 1989. Prior to joining PMC, Mr. Taubes
had served since 1991 as a senior vice president and senior portfolio manager
for several Putnam institutional accounts and mutual funds.

     Day-to-day management of the Fund has been the responsibility of Mr. Russ,
a vice president of the Fund, since March 1988.
    


                                       5
<PAGE>

   
     Investment advisory services are provided to the Fund by PMC pursuant to a
management contract between PMC and the Fund. PMC is responsible for the
overall management of the Fund's business affairs, subject only to the
authority of the Board of Trustees. PMC is a wholly-owned subsidiary of The
Pioneer Group, Inc. ("PGI"), a Delaware corporation. Pioneer Funds Distributor,
Inc. ("PFD"), an indirect wholly owned subsidiary of PGI, is the principal
underwriter of shares of the Fund.
    


     In addition to the Fund, PMC also manages and serves as the investment
adviser for other mutual funds and is an investment adviser to certain other
institutional accounts. PMC's and PFD's executive offices are located at 60
State Street, Boston, Massachusetts 02109. In an effort to avoid conflicts of
interest with the Fund, the Fund and PMC have adopted a Code of Ethics that is
designed to maintain a high standard of personal conduct by directing that all
personnel defer to the interests of the Fund and its shareholders in making
personal securities transactions.


   
     Under the terms of its contract with the Fund, PMC assists in the
management of the Fund and is authorized in its discretion to buy and sell
securities for the account of the Fund. PMC pays all the ordinary operating
expenses, including executive salaries and the rental of certain office space,
related to its services for the Fund with the exception of the following which
are to be paid by the Fund: (a) charges and expenses for fund accounting,
pricing and appraisal services and related overhead, including, to the extent
such services are performed by personnel of PMC or its affiliates, office space
and facilities and personnel compensation, training and benefits; (b) the
charges and expenses of auditors; (c) the charges and expenses of any custodian,
transfer agent, plan agent, dividend disbursing agent and registrar appointed by
the Fund; (d) issue and transfer taxes, chargeable to the Fund in connection
with securities transactions to which the Fund is a party; (e) insurance
premiums, interest charges, dues and fees for membership in trade associations,
and all taxes and corporate fees payable by the Fund to federal, state or other
government agencies; (f) fees and expenses involved in registering and
maintaining registrations of the Fund and/or its shares with the SEC, state or
blue sky securities agencies and foreign countries, including the preparation of
Prospectuses and Statements of Additional Information for filing with the SEC;
(g) all expenses of shareholders' and Trustees' meetings and of preparing,
printing and distributing prospectuses, notices, proxy statements and all
reports to shareholders and to governmental agencies; (h) charges and expenses
of legal counsel to the Fund and to the Trustees; (i) distribution fees paid by
the Fund in accordance with Rule 12b-1 promulgated by the SEC pursuant to the
Investment Company Act of 1940, as amended (the "1940 Act"); (j) compensation of
those Trustees of the Fund who are not affiliated with or interested persons of
PMC, the Fund (other than as Trustees), PGI or PFD; (k) the cost of preparing
and printing share certificates; and (l) interest on borrowed money, if any. In
addition to the expenses described above, the Fund shall pay all brokers' and
underwriting commissions chargeable to the Fund in connection with securities
transactions to which the Fund is a party.

     Orders for the Fund's portfolio securities transactions are placed by PMC,
which strives to obtain the best price and execution for each transaction. In
circumstances in which two or more broker-dealers are in a position to offer
comparable prices and execution, consideration may be given to whether the
broker-dealer provides investment research or brokerage services or sells 
shares of any Pioneer mutual fund or other funds for which PMC or any other
affiliate or subsidiary serves as investment adviser or manager. See the
Statement of Additional Information for a further description of PMC's brokerage
allocation practices. 
    


     As compensation for its management services and certain expenses which PMC
incurs, PMC is entitled to a management fee equal to 0.50% per annum of the
Fund's average daily net assets. The fee is normally computed daily and paid
monthly. See "Expense Information" in this Prospectus and "Investment Adviser"
in the Statement of Additional Information.


   
     John F. Cogan, Jr., Chairman and President of the Fund, Chairman and a
Director of PMC and PFD, and President and a Director of PGI, owned
approximately 14% of the outstanding capital stock of PGI as of the date of this
Prospectus.


     Certain information technology experts currently predict the possibility of
a widespread failure of computer systems and certain other equipment which will
be triggered on or after certain dates--primarily January 1, 2000--due to a
systemic inability to process date-related information. This scenario, commonly
known as the "Year 2000 Problem," could have an adverse impact on individuals
and businesses, including the Fund and other mutual funds and financial
organizations. PMC and its affiliates are taking steps believed to be adequate
to address the Year 2000 Problem with respect to the systems and equipment
controlled by the Fund's investment adviser, broker-dealer and transfer agent.
In addition, other entities providing services to the Fund and its shareholders
are being asked to provide assurances that they have undertaken similar measures
with respect to their systems and equipment. Although PMC is not expecting any
adverse impact to it or its clients from the Year 2000 Problem, it cannot
provide complete assurances that its efforts or the efforts of its key vendors
will be successful. 
    



V. FUND SHARE ALTERNATIVES

   
     The Fund continuously offers three Classes of shares designated as Class A,
Class B and Class C shares, as described more fully in "How to Buy Fund Shares."
If you do not specify in your instructions to the Fund which class of shares you
wish to purchase, exchange or redeem, the Fund will assume that your
instructions apply to Class A shares. 
    


     Class A Shares. If you invest less than $1 million in Class A shares, you
will pay an initial sales charge. Certain purchases may qualify for reduced
initial sales charges. If you invest $1 million or more in Class A shares, no
sales charge will be imposed at the time of purchase; however, shares redeemed
within 12 months of purchase may be subject to a CDSC. Class A shares are
subject to distribution


                                       6
<PAGE>

and service fees at a combined annual rate of up to 0.25% of the Fund's average
daily net assets attributable to Class A shares.


   
     Class B Shares. If you plan to invest up to $250,000, Class B shares are
available to you. Class B shares are sold without an initial sales charge, but
are subject to a CDSC of up to 4% if redeemed within six years. Class B shares
are subject to distribution and service fees at a combined annual rate of 1% of
the Fund's average daily net assets attributable to Class B shares. Your entire
investment in Class B shares is available to work for you from the time you make
your investment, but the higher distribution fee paid by Class B shares will
cause your Class B shares (until conversion) to have a higher expense ratio and
to pay lower dividends, to the extent dividends are paid, than Class A shares.
Class B shares will automatically convert to Class A shares, based on relative
net asset value, eight years after the initial purchase.
    

     Class C Shares. Class C shares are sold without an initial sales charge,
but are subject to a 1% CDSC if they are redeemed within the first year after
purchase. Class C shares are subject to distribution and service fees at a
combined annual rate of up to 1% of the Fund's average daily net assets
attributable to Class C shares. Your entire investment in Class C shares is
available to work for you from the time you make your investment, but the higher
distribution fee paid by Class C shares will cause your Class C shares to have a
higher expense ratio and to pay lower dividends, to the extent dividends are
paid, than Class A shares. Class C shares have no conversion feature.

   
     Selecting a Class of Shares. The decision as to which class to purchase
depends on the amount you invest, the intended length of the investment and your
personal situation. If you are making an investment that qualifies for reduced
sales charges, you might consider Class A shares. If you prefer not to pay an
initial sales charge on an investment of $250,000 or less and you plan to hold
the investment for at least six years, you might consider Class B shares. If you
prefer not to pay an initial sales charge and you plan to hold your investment
for one to eight years, you may prefer Class C shares.

     Investment dealers and their representatives may receive different
compensation depending on which class of shares they sell. Shares may be
exchanged only for shares of the same class of another Pioneer mutual fund, and
shares acquired in the exchange will continue to be subject to any CDSC
applicable to the shares of the Fund originally purchased. Shares sold outside
the U.S. to persons who are not U.S. citizens may be subject to different sales
charges, CDSCs and dealer compensation arrangements in accordance with local
laws and business practices. 
    



VI. SHARE PRICE

   
     Shares of the Fund are sold at the public offering price, which is the net
asset value per share, plus the applicable sales charge. Net asset value per
share of a class of the Fund is determined by dividing the value of its assets,
less liabilities attributable to that class, by the number of shares of that
class outstanding. The net asset value is computed once daily, on each day the
New York Stock Exchange (the "Exchange") is open, as of the close of regular
trading on the Exchange.

     Securities are valued at the last sale price on the principal exchange or
market where they are traded. Securities which have not traded on the date of
valuation or securities for which sales prices are not generally reported are
valued at the mean between the current bid and asked prices. Securities quoted
in foreign currencies are converted to U.S. dollars utilizing foreign exchange
rates employed by the Fund's independent pricing services. Generally, trading in
foreign securities is substantially completed each day at various times prior to
the close of regular trading on the Exchange. The values of such securities used
in computing the net asset value of the Fund's shares are determined as of such
times. Foreign currency exchange rates are also generally determined prior to
the close of regular trading on the Exchange. Occasionally, events which affect
the values of such securities and such exchange rates may occur between the
times at which they are determined and the close of regular trading on the
Exchange and will therefore not be reflected in the computation of the Fund's
net asset value. If events materially affecting the value of such securities
occur during such period, then these securities may be valued at their fair
value as determined in good faith by the Trustees. All assets of the Fund for
which there is no other readily available valuation method are valued at fair
value as determined in good faith by the Trustees.
    



VII. HOW TO BUY FUND SHARES

     You may buy Fund shares from any securities broker-dealer which has a sales
agreement with PFD. If you do not have a securities broker-dealer, please call
1-800-225-6292. Shares will be purchased at the public offering price, that is,
the net asset value per share, plus any applicable sales charge, next computed
after receipt of a purchase order, except as set forth below.

   
     The minimum initial investment is $1,000 for Class A, Class B and Class C
shares except as specified below. The minimum initial investment is $50 for
Class A accounts being established to utilize monthly bank drafts, government
allotments, payroll deduction and other similar automatic investment plans.
Separate minimum investment requirements apply to retirement plans and to
telephone and wire orders placed by broker-dealers; no sales charge or
minimum requirements applies to the reinvestment of dividends or capital gains
distributions. The minimum subsequent investment is $50 for Class A shares and
$500 for Class B and Class C shares except that the subsequent minimum
investment amount for Class B and Class C share accounts may be as little as $50
if an automatic investment plan is established (see "Automatic Investment
Plans"). 
    

     Telephone Purchases. Your account is automatically authorized to have the
telephone purchase privilege unless you indicate otherwise on your Account
Application or by writing to Pioneering Services Corporation ("PSC"). The
telephone purchase option may be used to purchase additional


                                       7
<PAGE>

   
shares for an existing Pioneer mutual fund account; it may not be used to
establish a new account. Proper account identification will be required for each
telephone purchase. A maximum of $25,000 per account may be purchased by
telephone each day. The telephone purchase privilege is available to Individual
Retirement Accounts ("IRAs") but may not be available to other types of
retirement plan accounts. Call PSC for more information.
    

     You are strongly urged to consult with your financial representative prior
to requesting a telephone purchase. To purchase shares by telephone, you must
establish your bank account of record by completing the appropriate section of
your Account Application or an Account Options Form. PSC will electronically
debit the amount of each purchase from this predesignated bank account.
Telephone purchases may not be made for 30 days after the establishment of your
bank of record or any change to your bank information.

   
     Telephone purchases will be priced at the net asset value plus any
applicable sales charge next determined after PSC's receipt of a telephone
purchase instruction and receipt of good funds (usually three days after the
purchase instruction). You may always elect to deliver purchases to PSC by mail.
See "Telephone Transactions" for additional information.
    

Class A Shares
     You may buy Class A shares at the public offering price, including a sales
charge, as follows:

<TABLE>
<CAPTION>
                               Sales Charge as a % of     Dealer
                             ------------------------  Allowance
                                            Net       as a % of
                             Offering      Amount      Offering
    Amount of Purchase         Price      Invested       Price
- -------------------------   ----------   ----------   ----------
<S>                            <C>          <C>          <C>
Less than $100,000             4.50%        4.71%        4.00%
$100,000 but less than
$250,000                       3.50         3.63         3.00
$250,000 but less than
$500,000                       2.50         2.56         2.00
$500,000 but less than
$1,000,000                     2.00         2.04         1.75
$1,000,000 or more              -0-          -0-      see below
</TABLE>

   
     The schedule of sales charges above is applicable to purchases of Class A
shares of the Fund by (i) an individual, (ii) an individual and his or her
spouse and children under the age of 21 and (iii) a trustee or other fiduciary
of a trust estate or fiduciary account or related trusts or accounts including
pension, profit-sharing and other employee benefit trusts qualified under
Section 401 or 408 of the Code, although more than one beneficiary is involved.
The sales charge applicable to a current purchase of Class A shares of the Fund
by a person listed above is determined by adding the value of shares to be
purchased to the aggregate value (at the then current offering price) of shares
of any of the other Pioneer mutual funds previously purchased and then owned,
provided PFD is notified by such person or his or her broker-dealer each time a
purchase is made which would qualify. Pioneer mutual funds include all mutual
funds for which PFD serves as principal underwriter. At the sole discretion of
PFD, holdings of funds domiciled outside the U.S., but which are managed by
affiliates of PMC, may be included for this purpose.

     No sales charge is payable at the time of purchase on investments of $1
million or more or for purchases by participants in certain group plans
(described below) subject to a CDSC of 1% which may be imposed in the event of a
redemption of Class A shares within 12 months of purchase. See "How to Sell Fund
Shares." PFD may, in its discretion, pay a commission to broker-dealers who
initiate and are responsible for such purchases as follows: 1% on the first $5
million invested; 0.50% on the next $45 million; and 0.25% on the excess over
$50 million. Broker-dealers who receive a commission in connection with Class A
share purchases at net asset value by 401(a) or 401(k) retirement plans with
1,000 or more eligible participants or with at least $10 million in plan assets
will be required to return any commission paid or a pro rata portion thereof if
the retirement plan redeems its shares within 12 months of purchase. See also
"How to Sell Fund Shares." These commissions will not be paid if the purchaser
is affiliated with the broker-dealer or if the purchase represents the
reinvestment of a redemption made during the previous 12 calendar months. In
connection with PGI's acquisition of Mutual of Omaha Fund Management Company and
contingent upon the achievement of certain sales objectives, PFD may pay to
Mutual of Omaha Investor Services, Inc. 50% of PFD's retention of any sales
commission on sales of the Fund's Class A shares through such dealer. From time
to time, PFD may elect to reallow the entire initial sales charge to
participating dealers for all Class A sales with respect to which orders are
placed during a particular period. Dealers to whom substantially the entire
sales charge is reallowed may be deemed to be underwriters under the federal
securities laws. 
    


   
     Qualifying for a Reduced Sales Charge. Class A shares of the Fund may be
sold at a reduced or eliminated sales charge to certain group plans ("Group
Plans") under which a sponsoring organization makes recommendations to, permits
group solicitation of, or otherwise facilitates purchases by, its employees,
members or participants. Class A shares of the Fund may be sold at net asset
value per share without a sales charge to 401(k) retirement plans with 100 or
more participants or at least $500,000 in plan assets. Information about such
arrangements is available from PFD.


     Class A shares of the Fund may also be sold at net asset value per share
without a sales charge to: (a) current or former Trustees and officers of the
Fund and partners or employees of its legal counsel; (b) current or former
directors, officers, employees or sales representatives of PGI or its
subsidiaries; (c) current or former directors, officers, employees or sales
representatives of any subadviser or predecessor investment adviser to any
investment company for which PMC serves as investment adviser, and the
subsidiaries or affiliates of such persons; (d) current or former officers,
partners, employees or registered representatives of broker-dealers which have
entered into sales agreements with PFD; (e) members of the immediate families of
any of the foregoing persons; (f) any trust, custodian, pension, profit-sharing
or other benefit plan of the foregoing persons; (g) insurance company separate
accounts; (h) certain "wrap accounts" for the benefit of clients of financial
planners adhering to standards established by PFD; (i) other funds and accounts
for which PMC or any affiliate serves as investment adviser or manager; and (j)
certain unit investment trusts. Shares so purchased are purchased for investment
purposes and may not be resold except through redemption or repurchase
    


                                       8
<PAGE>

by or on behalf of the Fund. The availability of this privilege is conditioned
on the receipt by PFD of written notification of eligibility. Class A shares of
the Fund may be sold at net asset value per share without a sales charge to
Optional Retirement Program (the "Program") participants if (i) the employer has
authorized a limited number of investment company providers for the Program,
(ii) all authorized investment company providers offer their shares to Program
participants at net asset value, (iii) the employer has agreed in writing to
actively promote the authorized investment providers to Program participants and
(iv) the Program provides for a matching contribution for each participant
contribution. Shares of the Fund may also be issued at net asset value without a
sales charge in connection with certain reorganization, liquidation or
acquisition transactions involving other investment companies or personal
holding companies.

     Reduced sales charges are available for purchases of $100,000 or more of
Class A shares (excluding any reinvestments of dividends and capital gains
distributions) made within a 13-month period pursuant to a Letter of Intent
("LOI") which may be established by completing the Letter of Intent section of
the Account Application. The reduced sales charge will be the charge that would
be applicable to the purchase of the specified amount of Class A shares as if
the shares had all been purchased at the same time. A purchase not made pursuant
to an LOI may be included if the LOI is submitted to PSC within 90 days of such
purchase. You may also obtain the reduced sales charge by including the value
(at current offering price) of all your Class A shares in the Fund and all other
Pioneer mutual funds held of record as of the date of your LOI in the amount
used to determine the applicable sales charge for the Class A shares to be
purchased under the LOI. Five percent of your total intended purchase amount
will be held in escrow by PSC, registered in your name, until the terms of the
LOI are fulfilled.

     You are not obligated to purchase the amount specified in your LOI. If,
however, the amount actually purchased during the 13-month period is more or
less than that indicated in your LOI, an adjustment in the sales charge will be
made. If a payment to cover actual sales charges is due, it must be paid to PFD
within 20 days after PFD or your dealer sends you a written request or PFD will
direct PSC to liquidate sufficient shares from your escrow account to cover the
amount due. See the Statement of Additional Information for more information.

     Investors who are clients of a broker-dealer with a current sales agreement
with PFD may purchase shares of the Fund at net asset value, without a sales
charge, to the extent that the purchase price is paid out of proceeds from one
or more redemptions by the investor of shares of certain other mutual funds. In
order for a purchase to qualify for this privilege, the investor must document
to the broker-dealer that the redemption occurred within 60 days immediately
preceding the purchase of Class A shares of the Fund; that the client paid a
sales charge on the original purchase of the shares redeemed; and that the
mutual fund whose shares were redeemed also offers net asset value purchases to
redeeming shareholders of any of the Pioneer mutual funds. Further details may
be obtained from PFD.

Class B Shares

   
     You may buy Class B shares at the net asset value per share next computed
after receipt of a purchase order without the imposition of an initial sales
charge; however, Class B shares redeemed within six years of purchase will be
subject to a CDSC at the rates shown in the table below. The charge will be
assessed on the amount equal to the lesser of the current market value or the
original purchase cost of the shares being redeemed. No CDSC will be imposed on
increases in account value above the initial purchase price, including shares
derived from the reinvestment of dividends or capital gains distributions.


     The amount of the CDSC, if any, will vary depending on the number of years
from the time of purchase until the time of redemption of Class B shares. For
the purpose of determining the number of years from the time of any purchase
made after September 30, 1998, all payments during a month will be aggregated
and deemed to have been made on the first day of that month. For the purpose of
determining the number of years from the time of any purchase made prior to
October 1, 1998, all payments during a calendar quarter will be aggregated and
deemed to have been made on the first day of that quarter. In processing
redemptions of Class B shares, the Fund will first redeem shares not subject to
any CDSC, and then shares held longest during the six-year period. As a result,
you will pay the lowest possible CDSC. 
    


     The CDSC for Class B shares subject to a CDSC upon redemption will be
determined as follows:


   
<TABLE>
<CAPTION>
          Year Since                  CDSC as a % of Dollar
           Purchase                  Amount Subject to CDSC
- -----------------------------   --------------------------------
     <S>                                       <C>
     First                                     4.0%
     Second                                    4.0%
     Third                                     3.0%
     Fourth                                    3.0%
     Fifth                                     2.0%
     Sixth                                     1.0%
     Seventh and thereafter                   none
</TABLE>
    

   
     Proceeds from the CDSC are paid to PFD and are used in whole or in part to
defray PFD's expenses related to providing distribution-related services to the
Fund in connection with the sale of Class B shares, including the payment of
compensation to broker-dealers.


     Class B shares will automatically convert into Class A shares at the
beginning of the month (or the calendar quarter for purchases made prior to
October 1, 1998) that is eight years after the purchase date, except as noted
below. Class B shares acquired by exchange from Class B shares of another
Pioneer mutual fund will convert into Class A shares based on the date of the
initial purchase and the applicable CDSC. Class B shares acquired through
reinvestment of distributions will convert into Class A shares based on the date
of the initial purchase to which such shares relate. For this purpose, Class B
shares acquired through reinvestment of distributions will be attributed to
particular purchases of Class B shares in accordance with such procedures as the
Trustees may determine from time to time. The conversion of Class B shares to
Class A shares is subject to the continuing availability of a ruling from the
Internal Revenue Service (the 
    


                                       9
<PAGE>

   
"IRS"), which the Fund has obtained, or an opinion of counsel that such
conversions will not constitute taxable events for federal tax purposes. There
can be no assurance that such ruling will continue to be in effect at the time
any particular conversion would normally occur. The conversion of Class B shares
to Class A shares will not occur if such ruling or opinion is not available and,
therefore, Class B shares would continue to be subject to higher expenses than
Class A shares for an indeterminate period.
    


Class C Shares
   
     You may buy Class C shares at net asset value per share next computed after
receipt of a purchase order without the imposition of an initial sales charge;
however, Class C shares redeemed within one year of purchase will be subject to
a CDSC of 1%. The charge will be assessed on the amount equal to the lesser of
the current market value or the original purchase cost of the shares being
redeemed. No CDSC will be imposed on increases in account value above the
initial purchase price, including shares derived from the reinvestment of
dividends or capital gains distributions. Class C shares do not convert to any
other class of Fund shares.


     For the purpose of determining the number of years from the time of any
purchase made after September 30, 1998, all payments during a month will be
aggregated and deemed to have been made on the first day of that month. For the
purpose of determining the number of years from the time of any purchase made
prior to October 1, 1998, all payments during a calendar quarter will be
aggregated and deemed to have been made on the first day of that quarter. As a
result, you will pay the lowest possible CDSC. 
    


     Proceeds from the CDSC are paid to PFD and are used in whole or in part to
defray PFD's expenses related to providing distribution-related services to the
Fund in connection with the sale of Class C shares, including the payment of
compensation to broker-dealers.


   
     Waiver or Reduction of Contingent Deferred Sales Charge. The CDSC on Class
B shares may be waived or reduced for non-retirement accounts if: (a) the
redemption results from the death of all registered owners of an account (in the
case of an UGMA, an UTMA or a trust account, waiver applies upon the death of
all beneficial owners) or a total and permanent disability (as defined in
Section 72 of the Code) of all registered owners occurring after the purchase of
the shares being redeemed or (b) the redemption is made in connection with
limited automatic redemptions as set forth in "Systematic Withdrawal Plans"
(limited in any year to 10% of the value of the account in the Fund at the time
the withdrawal plan is established). 

     The CDSC on Class B shares may be waived or reduced for retirement plan
accounts if: (a) the redemption results from the death or a total and permanent
disability (as defined in Section 72 of the Code) occurring after the purchase
of the shares being redeemed of a shareholder or participant in an employer-
sponsored retirement plan; (b) the distribution is to a participant in an IRA,
403(b) or employer-sponsored retirement plan, is part of a series of
substantially equal payments made over the life expectancy of the participant or
the joint life expectancy of the participant and his or her beneficiary or as
scheduled periodic payments to a participant (limited in any year to 10% of the
value of the participant's account at the time the distribution amount is
established; a required minimum distribution due to the participant's attainment
of age 701/2 may exceed the 10% limit only if the distribution amount is based
on plan assets held in Pioneer mutual funds); (c) the distribution is from a
401(a) or 401(k) retirement plan and is a return of excess employee deferrals or
employee contributions; or a qualifying hardship distribution as defined by the
Code or results from a termination of employment (limited with respect to a
termination to 10% per year of the value of the plan's assets in the Fund as of
the later of the prior December 31 or the date the account was established
unless the plan's assets are being rolled over to or reinvested in the same
class of shares of a Pioneer mutual fund subject to the CDSC of the shares
originally held); (d) the distribution is from an IRA, 403(b) or
employer-sponsored retirement plan and is to be rolled over to or reinvested in
the same class of shares in a Pioneer mutual fund and which will be subject to
the applicable CDSC upon redemption; (e) the distribution is in the form of a
loan to a participant in a plan which permits loans (each repayment of the loan
will constitute a new sale which will be subject to the applicable CDSC upon
redemption); or (f) the distribution is from a qualified defined contribution
plan and represents a participant's directed transfer (provided that this
privilege has been pre-authorized through a prior agreement with PFD regarding
participant directed transfers).
    

     The CDSC on Class C shares and on any Class A shares subject to a CDSC may
be waived or reduced as follows: (a) for automatic redemptions as described in
"Systematic Withdrawal Plans" (limited to 10% of the value of the account); (b)
if the redemption results from the death or a total and permanent disability (as
defined in Section 72 of the Code) occurring after the purchase of the shares
being redeemed of a shareholder or participant in an employer-sponsored
retirement plan; (c) if the distribution is part of a series of substantially
equal payments made over the life expectancy of the participant or the joint
life expectancy of the participant and his or her beneficiary; or (d) if the
distribution is to a participant in an employer-sponsored retirement plan and is
(i) a return of excess employee deferrals or contributions, (ii) a qualifying
hardship distribution as defined by the Code, (iii) from a termination of
employment, (iv) in the form of a loan to a participant in a plan which permits
loans, or (v) from a qualified defined contribution plan and represents a
participant's directed transfer (provided that this privilege has been
pre-authorized through a prior agreement with PFD regarding participant directed
transfers).

     The CDSC on any shares subject to a CDSC may be waived or reduced for
either non-retirement or retirement plan accounts if the redemption is made
pursuant to the Fund's right to liquidate or involuntarily redeem shares in a
shareholder's account. The CDSC on any shares subject to a CDSC will not be
applicable if the selling broker-dealer elects, with PFD's approval, to waive
receipt of the commission normally paid at the time of the sale.

   
     Broker-Dealers. An order for any class of Fund shares received by a
broker-dealer prior to the close of regular trading on the Exchange is
confirmed at the price appropriate for that
    


                                       10
<PAGE>

   
class as determined at the close of regular trading on the Exchange on the day
the order is received, provided the order is received prior to PFD's close of
business (usually, 5:30 p.m. Eastern time). It is the responsibility of
broker-dealers to transmit orders so that they will be received by PFD prior to
its close of business. PFD or its affiliates may provide additional compensation
to certain dealers or such dealers' affiliates based on certain objective
criteria established from time to time by PFD. All such payments are made out of
PFD's or the affiliate's own assets. These payments will not change the price an
investor will pay for shares or the amount that the Fund will receive from such
sale. 
    


     General. The Fund reserves the right in its sole discretion to withdraw all
or any part of the offering of shares when, in the judgment of the Fund's
management, such withdrawal is in the best interest of the Fund. An order to
purchase shares is not binding on, and may be rejected by, PFD until it has been
confirmed in writing by PFD and payment has been received.



VIII. HOW TO SELL FUND SHARES

     You can arrange to sell (redeem) Fund shares on any day the Exchange is
open by selling either some or all of your shares to the Fund.

     You may sell your shares either through your broker-dealer or directly to
the Fund. Please note the following:

   o If you are selling shares from a retirement account, other than an IRA, you
     must make your request in writing (except for exchanges to other Pioneer
     mutual funds which can be requested by phone or in writing). Call
     1-800-622-0176 for more information.

   o If you are selling shares from a non-retirement account or an IRA, you may
     use any of the methods described below.

     Your shares will be sold at the share price next calculated after your
order is received in good order less any applicable CDSC. Sale proceeds
generally will be sent to you by check, bank wire, or electronic funds transfer
normally within seven days after your order is received in good order. The Fund
reserves the right to withhold payment of the sale proceeds until checks
received by the Fund in payment for the shares being sold have cleared, which
may take up to 15 calendar days from the purchase date.

   
     In Writing. You may always sell your shares by delivering a written
request, signed by all registered owners, in good order to PSC; however, you
must use a written request, including a signature guarantee, to sell your
shares if any of the following applies:
    

   o you wish to sell over $100,000 worth of shares,

   o your account registration or address has changed within the last 30 days,


   o the check is not being mailed to the address on your account (address of
     record),

   o the check is not being made out to the account owners, or

   o the sale proceeds are being transferred to a Pioneer mutual fund account
     with a different registration.

   
     Your request should include your name, the Fund's name, your fund account
number, the class of shares to be redeemed, the dollar amount or number of
shares to be redeemed, and meet any other applicable requirements as described
below. Unless instructed otherwise, PSC will send the proceeds of the sale to
the address of record. Fiduciaries and corporations are required to submit
additional documents. For more information, contact PSC at 1-800-225-6292.
    

     Written requests will not be processed until they are received in good
order by PSC. Good order means that there are no outstanding claims or requests
to hold redemptions on the account, any certificates are endorsed by the record
owner(s) exactly as the shares are registered and the signature(s) are
guaranteed by an eligible guarantor. You should be able to obtain a signature
guarantee from a bank, broker, dealer, credit union (if authorized under state
law), securities exchange or association, clearing agency or savings
association. A notary public cannot provide a signature guarantee. Signature
guarantees are not accepted by facsimile ("fax"). For additional information
about the necessary documentation for redemption by mail, please contact PSC at
1-800-225-6292.

   
     By Telephone or by Fax. Your account is automatically authorized to have
the telephone redemption privilege unless you indicate otherwise on your Account
Application or by writing to PSC. Proper account identification will be required
for each telephone redemption. The telephone redemption option is not available
to retirement plan accounts, except IRAs. A maximum of $100,000 per account per
day may be redeemed by telephone or fax and the proceeds may be received by
check or by bank wire or electronic funds transfer. To receive the proceeds by
check: the check must be made payable exactly as the account is registered and
the check must be sent to the address of record which must not have changed in
the last 30 days. To receive the proceeds by bank wire or by electronic funds
transfer: the proceeds must be sent to your bank wire address of record which
must have been properly pre-designated either on your Account Application or on
an Account Options Form and which must not have changed in the last 30 days. To
redeem by fax send your redemption request to 1-800-225-4240. You may always
elect to deliver redemption instructions to PSC by mail. See "Telephone
Transactions" below. Telephone and fax redemptions will be priced as described
above. You are strongly urged to consult with your financial representative
prior to requesting a telephone redemption.
    

     Selling Shares Through Your Broker-Dealer. The Fund has authorized PFD to
act as its agent in the repurchase of shares of the Fund from qualified
broker-dealers and reserves the right to terminate this procedure at any time.
Your broker-dealer must receive your request before the close of business on the
Exchange and transmit it to PFD before PFD's close of business to receive that
day's redemption price. Your broker-dealer is responsible for providing all
necessary documentation to PFD and may charge you for its services.


                                       11
<PAGE>

     Small Accounts. The minimum account value is $500. If you hold shares of
the Fund in an account with a net asset value of less than the minimum required
amount due to redemptions or exchanges, the Fund may redeem the shares held in
this account at net asset value if you have not increased the net asset value of
the account to at least the minimum required amount within six months of notice
by the Fund to you of the Fund's intention to redeem the shares.

     CDSC on Class A Shares. Purchases of Class A shares of $1 million or more,
or by participants in a Group Plan which were not subject to an initial sales
charge, may be subject to a CDSC upon redemption. A CDSC is payable to PFD on
these investments in the event of a share redemption within 12 months following
the share purchase, at the rate of 1% of the lesser of the value of the shares
redeemed (exclusive of reinvested dividend and capital gain distributions) or
the total cost of such shares. Shares subject to the CDSC which are exchanged
into another Pioneer mutual fund will continue to be subject to the CDSC until
the original 12-month period expires. However, no CDSC is payable upon
redemption with respect to Class A shares purchased by 401(a) or 401(k)
retirement plans with 1,000 or more eligible participants or with at least $10
million in plan assets.

     General. Redemptions may be suspended or payment postponed during any
period in which any of the following conditions exist: the Exchange is closed or
trading on the Exchange is restricted; an emergency exists as a result of which
disposal by the Fund of securities owned by it is not reasonably practicable or
it is not reasonably practicable for the Fund to fairly determine the value of
the net assets of its portfolio; or the SEC, by order, so permits.

     Redemptions and repurchases are taxable transactions to shareholders. The
net asset value per share received upon redemption or repurchase may be more or
less than the cost of shares to an investor, depending on the market value of
the portfolio at the time of redemption or repurchase.


IX. HOW TO EXCHANGE FUND SHARES

   
     Written Exchanges. You may exchange your shares by sending a letter of
instruction to PSC. Your letter should include your name, the name of the
Pioneer mutual fund out of which you wish to exchange and the name of the
Pioneer mutual fund into which you wish to exchange, your fund account
number(s), the class of shares to be exchanged and the dollar amount or number
of shares to be exchanged. Written exchange requests must be signed by all
record owner(s) exactly as the shares are registered.

     Telephone Exchanges. Your account is automatically authorized to have the
telephone exchange privilege unless you indicate otherwise on your Account
Application or by writing to PSC. Proper account identification will be required
for each telephone exchange. Telephone exchanges may not exceed $500,000 per
account per day. Each telephone exchange request, whether by voice or by
FactFoneSM, will be recorded. You are strongly urged to consult with your
financial representative prior to requesting a telephone exchange. See
"Telephone Transactions" below.

     Automatic Exchanges. You may automatically exchange shares from one Pioneer
mutual fund account for shares of the same class in another Pioneer mutual fund
account on a monthly or quarterly basis. The accounts must have identical
registrations and the originating account must have a minimum balance of $5,000.
The exchange will be effective on the day of the month designated on your
Account Application or Account Options Form.


     General. Exchanges must be at least $1,000. You may exchange your
investment from one class of Fund shares at net asset value, without a sales
charge, for shares of the same class of any other Pioneer mutual fund. Not all
Pioneer mutual funds offer more than one class of shares. A new Pioneer mutual
fund account opened through an exchange must have a registration identical to
that on the original account. 
    


     Shares which would normally be subject to a CDSC upon redemption will not
be charged the applicable CDSC at the time of an exchange. Shares acquired in an
exchange will be subject to the CDSC of the shares originally held. For purposes
of determining the amount of any applicable CDSC, the length of time you have
owned shares acquired by exchange will be measured from the date you acquired
the original shares and will not be affected by any subsequent exchange.


   
     Exchange requests received by PSC before 4:00 p.m. Eastern time will be
effective on that day if the requirements above have been met, otherwise, they
will be effective on the next business day. PSC will process exchanges only
after receiving an exchange request in good order. There are currently no fees
or sales charges imposed at the time of an exchange. An exchange of shares may
be made only in states where legally permitted. For federal and (generally)
state income tax purposes, an exchange is considered to be a sale of the shares
of the fund exchanged and a purchase of shares in another Pioneer mutual fund.
Therefore, an exchange could result in a gain or loss on the shares sold,
depending on the tax basis of these shares and the timing of the transaction,
and special tax rules may apply. 
    


     You should consider the differences in objectives and policies of the
Pioneer mutual funds, as described in each fund's current prospectus, before
making any exchange. For the protection of the Fund's performance and
shareholders, the Fund and PFD reserve the right to refuse any exchange request
or restrict, at any time without notice, the number and/or frequency of
exchanges to prevent abuses of the exchange privilege. Such abuses may arise
from frequent trading in response to short-term market fluctuations, a pattern
of trading by an individual or group that appears to be an attempt to "time the
market," or any other exchange request which, in the view of management, will
have a detrimental effect on the Fund's portfolio management strategy or its
operations. In addition, the Fund and PFD reserve the right to charge a fee for
exchanges or to modify, limit, suspend or discontinue the exchange privilege
with notice to shareholders as required by law.


                                       12
<PAGE>

X. DISTRIBUTION PLANS

   
     The Fund has adopted a Plan of Distribution for each class of shares (the
"Class A Plan," "Class B Plan," and "Class C Plan") in accordance with Rule
12b-1 under the 1940 Act pursuant to which certain distribution and service fees
are paid to PFD.

     Pursuant to the Class A Plan, the Fund reimburses PFD for its actual
expenditures to finance any activity primarily intended to result in the sale of
Class A shares or to provide services to holders of Class A shares, provided the
categories of expenses for which reimbursement is made are approved by the
Fund's Board of Trustees. As of the date of this Prospectus, the Board of
Trustees has approved the following categories of expenses for Class A shares of
the Fund: (i) a service fee to be paid to qualified broker-dealers in an amount
not to exceed 0.25% per annum of the Fund's daily net assets attributable to
Class A shares; (ii) reimbursement to PFD for its expenditures for broker-dealer
commissions and employee compensation on certain sales of the Fund's Class A
shares with no initial sales charge (see "How to Buy Fund Shares"); and (iii)
reimbursement to PFD for expenses incurred in providing services to Class A
shareholders and supporting broker-dealers and other organizations (such as
banks and trust companies) in their efforts to provide such services. Banks are
currently prohibited under the Glass-Steagall Act from providing certain
underwriting or distribution services. If a bank was prohibited from acting in
any capacity or providing any of the described services, management would
consider what action, if any, would be appropriate.
    


   
     Expenditures of the Fund pursuant to the Class A Plan are accrued daily and
may not exceed 0.25% of the Fund's average daily net assets attributable to
Class A shares. Distribution expenses of PFD are expected to substantially
exceed the distribution fees paid by the Fund in a given year. The Class A Plan
does not provide for the carryover of reimbursable expenses beyond twelve months
from the time the Fund is first invoiced for an expense. The limited carryover
provision in the Class A Plan may result in an expense invoiced to the Fund in
one fiscal year being paid in the subsequent fiscal year and thus being treated
for purposes of calculating the maximum expenditures of the Fund as having been
incurred in the subsequent fiscal year. In the event of termination or
non-continuance of the Class A Plan, the Fund has twelve months to reimburse any
expense which it incurs prior to such termination or non-continuance, provided
that payments by the Fund during such twelve-month period shall not exceed 0.25%
of the Fund's average daily net assets during such period. The Class A Plan may
not be amended to increase materially the annual percentage limitation of
average net assets which may be spent for the services described therein without
approval of the Class A shareholders of the Fund.


     Both the Class B and the Class C Plans provide that the Fund will pay a
distribution fee at the annual rate of 0.75% of the Fund's average daily net
assets attributable to the applicable class of shares and will pay PFD a service
fee at the annual rate of 0.25% of the Fund's average daily net assets
attributable to that class of shares. The distribution fee is intended to
compensate PFD for its distribution services to the Fund. The service fee is
intended to be additional compensation for personal services and/or account
maintenance services with respect to Class B or Class C shares. PFD also
receives the proceeds of any CDSC imposed on the redemption of Class B or Class
C shares.

     Commissions of 4% of the amount invested in Class B shares, equal to 3.75%
of the amount invested and a first year's service fee equal to 0.25% of the
amount invested, are paid to broker-dealers who have sales agreements with PFD.
PFD may advance to dealers the first year service fee at a rate up to 0.25% of
the purchase price of such shares and, as compensation therefore, PFD may retain
the service fee paid by the Fund with respect to such shares for the first year
after purchase. Dealers will become eligible for additional service fees with
respect to such shares commencing in the 13th month following the purchase.

     Commissions of up to 1% of the amount invested in Class C shares,
consisting of 0.75% of the amount invested and a first year's service fee of
0.25% of the amount invested, are paid to broker-dealers who have sales
agreements with PFD. PFD may advance to dealers the first-year service fee at a
rate up to 0.25% of the purchase price of such shares and, as compensation
therefore, PFD may retain the service fee paid by the Fund with respect to such
shares for the first year after purchase. Commencing in the 13th month following
the purchase of Class C shares, dealers will become eligible for additional
annual distribution fees and service fees of up to 0.75% and 0.25%,
respectively, of the net asset value of such shares. 
    

     When a broker-dealer sells Class B or Class C shares and elects, with PFD's
approval, to waive its right to receive the commission normally paid at the time
of sale, PFD may cause all or a portion of the distribution fees described above
to be paid to the broker-dealer.

     Dealers may from time to time be required to meet certain criteria in order
to receive service fees. PFD or its affiliates are entitled to retain all
service fees payable under the Class B or Class C Plan for which there is no
dealer of record or for which qualification standards have not been met as
partial consideration for personal services and/or account maintenance services
performed by PFD or its affiliates for shareholder accounts.


XI. DIVIDENDS, DISTRIBUTIONS AND TAXATION

     The Fund has elected to be treated, has qualified, and intends to qualify
each year as a "regulated investment company" under Subchapter M of the Code so
that it will not pay federal income tax on income and capital gains distributed
to shareholders as required under the Code.

     Under the Code, the Fund will be subject to a nondeductible 4% federal
excise tax on a portion of its undistributed ordinary income and capital gains
if it fails to meet certain distribution requirements with respect to each
calendar year. The Fund intends to make distributions in a timely manner and
accordingly does not expect to be subject to the excise tax.


                                       13
<PAGE>

     Each business day the Fund declares a dividend consisting of substantially
all of its net investment income (earned interest income less expenses). Shares
being purchased will begin earning dividends on the first business day following
receipt of payment for purchased shares. Shares continue to earn dividends up to
and including the date of redemption. Dividends are normally paid on the last
business day of the month or shortly thereafter. Distributions from net
short-term capital gains, if any, may be paid with such dividends. The Fund's
policy is to make distributions from net long-term capital gains, if any, in
December. Dividends from income and/or capital gains may also be paid at such
other times as may be necessary for the Fund to avoid federal income or excise
tax.

   
     Unless shareholders specify otherwise, all distributions will be
automatically reinvested in additional full and fractional shares of the Fund.
For federal income tax purposes, all dividends are taxable as described below
whether a shareholder takes them in cash or reinvests them in additional shares
of the Fund. Information as to the federal tax status of dividends and
distributions will be provided to shareholders annually. See "Distribution
Options" and "Directed Dividends."

     Generally, dividends from the Fund's net investment income, income from
securities lending, market discount income, certain net realized foreign
exchange gains, and net short-term capital gains are taxable as ordinary income
under the Code, and dividends from the Fund's net long-term capital gains are
taxable as long-term capital gains. 
    

     The Fund's dividends and distributions will not qualify for any
dividends-received deduction available to corporate shareholders.

   
     The Fund may be subject to foreign withholding taxes or other foreign taxes
on income (possibly including, in some cases, capital gains) on certain foreign
investments, which will reduce the yield on or return from those investments.
The Fund anticipates that it generally will not qualify to pass such taxes
through to its shareholders, who will generally neither treat such taxes as
additional income nor be entitled to any associated foreign tax credits or
deductions. 
    

     Dividends and other distributions and the proceeds of redemptions,
exchanges or repurchases of Fund shares paid to individuals and other non-exempt
payees will be subject to 31% backup withholding of federal income tax if the
Fund is not provided with the shareholder's correct taxpayer identification
number and certification that the number is correct and that the shareholder is
not subject to such backup withholding or if the Fund receives notice from the
IRS or a broker that such withholding applies. Please refer to the Account
Application for additional information.

   
     The description above relates only to U.S. federal income tax consequences
for shareholders who are U.S. persons, i.e., U.S. citizens or residents or U.S.
corporations, partnerships, trusts or estates, and who are subject to U.S.
federal income tax. A state income (and possibly local income and/or intangible
property) tax exemption is generally available to the extent the Fund's
distributions are derived from interest on (or, in the case of intangible
property taxes, the value of its shares is attributable to) certain U.S.
Government obligations, provided in some states that certain concentration,
designation, reporting or other requirements are satisfied. The Fund will not
attempt to and may not satisfy all such requirements in all states. Non-U.S.
shareholders and tax-exempt shareholders are subject to tax treatment that is
not described above. Shareholders should consult their own tax advisors
regarding state, local and other applicable tax laws, including the effect of
recent federal tax legislation, in their particular circumstances.
    


XII. SHAREHOLDER SERVICES
     PSC is the shareholder services and transfer agent for shares of the Fund.
PSC, a Massachusetts corporation, is a wholly-owned subsidiary of PGI. PSC's
offices are located at 60 State Street, Boston, Massachusetts 02109, and
inquiries to PSC should be mailed to Shareholder Services, Pioneering Services
Corporation, P.O. Box 9014, Boston, Massachusetts 02205-9014. Brown Brothers
Harriman & Co. (the "Custodian") serves as the custodian of the Fund's
securities and other assets. The principal business address of the mutual fund
division of the Custodian is 40 Water Street, Boston, Massachusetts 02109.

Account and Confirmation Statements
     PSC maintains an account for each shareholder and all transactions of the
shareholder are recorded in this account. Confirmation statements showing the
details of transactions are sent to shareholders quarterly for dividend
reinvestment and Automatic Investment Plan transactions and more frequently for
other types of transactions. The Pioneer Combined Account Statement, mailed
quarterly, is available to all shareholders who have more than one Pioneer
mutual fund account.

   
     Shareholders whose shares are held in the name of an investment
broker-dealer or other party will not normally have an account with the Fund and
might not be able to utilize some of the services available to shareholders of
record. Examples of services that might not be available are purchases,
exchanges or redemption of shares by mail or telephone, automatic reinvestment
of dividends and capital gains distributions, withdrawal plans, newsletters,
Letters of Intent or rights of accumulation. 
    

Additional Investments
     You may add to your account by sending a check (minimum of $50 for Class A
shares and $500 for Class B and Class C shares) to PSC (account number and Class
of shares should be clearly indicated). The bottom portion of a confirmation
statement may be used as a remittance slip to make additional investments.
Additions to your account, whether by check or through a Pioneer Investomatic
Plan, are invested in full and fractional shares of the Fund at the applicable
offering price in effect as of the close of regular trading on the Exchange on
the day of receipt.

Automatic Investment Plans
     You may arrange for regular automatic investments of $50 or more through
government/military allotments, payroll


                                       14
<PAGE>

   
deduction or through a Pioneer Investomatic Plan. A Pioneer Investomatic Plan
provides for a monthly or quarterly investment by means of a preauthorized
electronic funds transfer from your bank account. Pioneer Investomatic Plan
investments are voluntary, and you may discontinue your Plan or change your plan
elections for the dollar amount, frequency or investment date by calling PSC at
1-800-225-6292, or by sending a written request to Shareholder Services,
Pioneering Services Corporation, P.O. Box 9014, Boston, Massachusetts
02205-9014. A change to your bank information must be made in writing on an
Account Options Form. You should allow up to five business days for PSC to make
changes to an established plan. PSC acts as agent for the purchaser, the
broker-dealer and PFD in maintaining these plans. 
    


Financial Reports and Tax Information

   
     As a shareholder, you will receive financial reports at least
semi-annually. In January of each year, the Fund will mail you information about
the tax status of dividends and distributions.
    


Distribution Options

   
     Dividends and capital gains distributions, if any, will automatically be
invested in additional shares of the Fund, at the applicable net asset value per
share, unless you indicate another option on the Account Application. Two other
options available are (a) dividends in cash and capital gains distributions in
additional shares; and (b) all dividends and capital gains distributions in
cash. These two options are not available, however, for retirement plans or for
an account with a net asset value of less than $500. Changes in your
distribution options may be made by written request to PSC.


     If you elect to receive either dividends or dividends and capital gains in
cash and a distribution check issued to you is returned by the U.S. Postal
Service as not deliverable or a distribution check remains uncashed for six
months or more, the amount of the check may be reinvested in your account. Such
additional shares will be purchased at the then current net asset value.
Furthermore, the distribution option on the account will automatically be
changed to the reinvestment option until such time as you request a different
option by writing to PSC. 
    


Directed Dividends

   
     You may elect (in writing) to have the dividends paid by one Pioneer mutual
fund account invested in a second Pioneer mutual fund account. The value of this
second account must be at least $1,000 ($500 for Pioneer Fund or Pioneer II).
Invested dividends may be in any amount. There are no fees or charges for this
service. Retirement plan shareholders may only direct dividends to accounts with
identical registrations. 
    


Direct Deposit

     If you have elected to take distributions, whether dividends or dividends
and capital gains, in cash, or have established a Systematic Withdrawal Plan,
you may choose to have those cash payments deposited directly into your savings,
checking or NOW bank account. You may establish this service by completing the
appropriate section on the Account Application when opening a new account or the
Account Options Form for an existing account.

Voluntary Tax Withholding

     You may request (in writing) that PSC withhold 28% of the dividends and
capital gains distributions paid from your account (before any reinvestment) and
forward the amount withheld to the IRS as a credit against your federal income
taxes. This option is not available for retirement plan accounts or for accounts
subject to backup withholding.


   
Telephone Transactions

     Your account is automatically authorized to have telephone transaction
privileges unless you indicate otherwise on your Account Application or by
writing to PSC. You may purchase, sell or exchange Fund shares by telephone. See
"How to Buy Fund Shares," "How to Sell Fund Shares" and "How to Exchange Fund
Shares" for more information. For personal assistance, call 1-800-225-6292
between 8:00 a.m. and 9:00 p.m. Eastern time on weekdays. Computer-assisted
transactions are available to shareholders who have pre-recorded certain bank
information (see FactFoneSM). You are strongly urged to consult with your
financial representative prior to requesting any telephone transaction.


     To confirm that each transaction instruction received by telephone is
genuine, PSC will record each telephone transaction, require the caller to
provide the personal identification number ("PIN") for the account and send you
a written confirmation of each telephone transaction. Different procedures may
apply to accounts that are registered to non-U.S. citizens or that are held in
the name of an institution or in the name of an investment broker-dealer or
other third party. If reasonable procedures, such as those described above, are
not followed, the Fund may be liable for any loss due to unauthorized or
fraudulent instructions. The Fund may implement other procedures from time to
time. In all other cases, neither the Fund, PSC or PFD will be responsible for
the authenticity of instructions received by telephone; therefore, you bear the
risk of loss for unauthorized or fraudulent telephone transactions.
    


     During times of economic turmoil or market volatility or as a result of
severe weather or a natural disaster, it may be difficult to contact the Fund by
telephone to institute a redemption or exchange. You should communicate with the
Fund in writing if you are unable to reach the Fund by telephone.


FactFoneSM

     FactFoneSM is an automated inquiry and telephone transaction system
available to Pioneer shareholders by dialing 1-800-225-4321. FactFoneSM allows
you to obtain current information on your Pioneer mutual fund accounts and to
inquire about the prices and yields of all publicly available Pioneer mutual
funds. In addition, you may use FactFoneSM to make computer-assisted telephone
purchases, exchanges and redemptions from your Pioneer mutual fund accounts if
you have activated your PIN. Telephone purchases and redemptions require the
establishment of a bank account of record. You are strongly urged to consult
with your financial representative prior to requesting any telephone
transaction. Shareholders whose accounts are registered in the name of a
broker-dealer or other third party may not be able to use FactFoneSM. See


                                       15
<PAGE>

   
"How to Buy Fund Shares," "How to Exchange Fund Shares," "How to Sell Fund
Shares" and "Telephone Transactions." Call PSC for assistance.
    

Retirement Plans
   
     You should contact the Retirement Plans Department of PSC at 1-800-622-0176
for information relating to tax-deferred retirement plans for individuals,
businesses and tax-exempt organizations. The Account Application accompanying
this Prospectus should not be used to establish any of these plans. Separate
applications are required. 
    

Telecommunications Device for the Deaf (TDD)
     If you have a hearing disability and access to TDD keyboard equipment, you
can call our TDD number toll-free at 1-800-225-1997, weekdays from 8:30 a.m. to
5:30 p.m. Eastern time, to contact our telephone representatives with questions
about your account.

Systematic Withdrawal Plans
   
     If your account has a total value of at least $10,000 you may establish a
Systematic Withdrawal Plan ("SWP") providing for fixed payments at regular
intervals. Withdrawals from Class B and Class C share accounts are limited to
10% of the value of the account at the time the SWP is implemented. See "Waiver
or Reduction of Contingent Deferred Sales Charge" for more information. Periodic
payments of $50 or more will be sent to you, or any person designated by you,
monthly or quarterly and your periodic redemptions of shares may be taxable to
you. Payments can be made either by check or electronic transfer to a bank
account designated by you. You may also direct that withdrawal payments be paid
to another person, although if you make this designation after you have opened
your account, a signature guarantee must accompany your instructions. Purchases
of Class A shares of the Fund at a time when you have a SWP in effect may result
in the payment of unnecessary sales charges and may, therefore, be
disadvantageous. 
    

     You may obtain additional information by calling PSC at 1-800-225-6292 or
by referring to the Statement of Additional Information.

Reinstatement Privilege (Class A Shares Only)
   
     If you redeem all or part of your Class A shares of the Fund, you may
reinvest all or part of the redemption proceeds without a sales charge in Class
A shares of the Fund if you send a written request to PSC not more than 90 days
after your shares were redeemed. Your redemption proceeds will be reinvested at
the next determined net asset value of the Class A shares of the Fund after
receipt of the written request for reinstatement. You may realize a gain or loss
for federal income tax purposes as a result of the redemption, and special tax
rules may apply if a reinstatement occurs. In addition, if a redemption resulted
in a loss and an investment is made in shares of the Fund within 30 days before
or after the redemption, you may not be able to recognize the loss for federal
income tax purposes. Subject to the provisions outlined under "How to Exchange
Fund Shares" above, you may also reinvest in Class A shares of other Pioneer
mutual funds; in this case you must meet the minimum investment requirement for
each fund you enter. The 90-day reinstatement period may be extended by PFD for
periods of up to one year for shareholders living in areas that have experienced
a natural disaster, such as a flood, hurricane, tornado or earthquake. 
    

     The options and services available to shareholders, including the terms of
the Exchange Privilege and the Pioneer Investomatic Plan, may be revised,
suspended, or terminated at any time by PFD or by the Fund. You may establish
the services described in this section when you open your account. You may also
establish or revise many of them on an existing account by completing an Account
Options Form, which you may obtain by calling 1-800-225-6292.


XIII. THE FUND
     The Fund is an open-end diversified management investment company (commonly
referred to as a mutual fund) organized as a Massachusetts corporation on August
16, 1978 and reorganized as a Massachusetts business trust on December 31, 1985.
The Fund will recognize stock certificates representing shares of Pioneer Bond
Fund, Inc. issued prior to its reorganization as a Massachusetts business trust
as evidence of ownership of an equivalent number of shares of beneficial
interest. Any shareholder desiring to surrender a stock certificate to the Fund
for a share certificate representing an equivalent number of shares of
beneficial interest may do so by making a written request for the exchange to
PSC. The request must be accompanied by the surrendered stock certificate which
must be endorsed on the back exactly in the manner as the certificate is
registered.

   
     The Fund has authorized an unlimited number of shares of beneficial
interest and the Trustees are authorized to create additional series of the
Fund. The Fund is not required to hold annual meetings, although special
meetings may be called for the purposes of electing or removing Trustees,
changing fundamental investment restrictions or approving a management contract.
The Trustees have the authority, without further shareholder approval, to
classify and reclassify the shares of the Fund, or any new series of the Fund,
into one or more classes. As of the date of this Prospectus, the Trustees have
authorized the issuance of three classes of shares, designated Class A, Class B
and Class C. The shares of each class represent an interest in the same
portfolio of investments of the Fund. Each class has equal rights as to voting,
redemption, dividends and liquidation, except that each class bears different
distribution and transfer agent fees and may bear other expenses properly
attributable to the particular class. Class A, Class B and Class C shareholders
have exclusive voting rights with respect to the Rule 12b-1 distribution plans
adopted by holders of those shares in connection with the distribution of
shares.

     When issued and paid for in accordance with the terms of the Prospectus and
Statement of Additional Information, shares of the Fund are fully paid and
non-assessable. Shares will remain on deposit with the Fund's transfer agent and
certificates will not normally be issued. The Fund reserves the right to charge
a fee for the issuance of Class A shares certificates; certificates will not be
issued for Class B or Class C shares. 
    


XIV. INVESTMENT RESULTS
     The Fund may from time to time include yield information in advertisements
or in information furnished generally to exist-


                                       16
<PAGE>

   
ing or prospective shareholders. Yield information is computed in accordance
with the SEC's standardized yield formula. The calculation for all Classes is
computed by dividing the net investment income per share of a Class during a
base period of 30 days, or one month, by the maximum offering price per share of
the applicable Class of the Fund on the last day of such base period. The
resulting "30-day yield" is then annualized as described below. Net investment
income per share of a Class is determined by dividing the Fund's net investment
income attributable to a Class during the base period by the average number of
shares of that Class of the Fund. The 30-day yield is then "annualized" by a
computation that assumes that the net investment income per share of a Class is
earned and reinvested for a six-month period at the same rate as during the
30-day base period and that the resulting six-month income will be generated
over an additional six months.

     The average annual total return (for a designated period of time) on an
investment in the Fund may be included in advertisements, and furnished to
existing or prospective shareholders. The average annual total return for each
class is computed in accordance with the SEC's standardized formula. The
calculation for all classes assumes the reinvestment of all dividends and
distributions at net asset value and does not reflect the impact of federal or
state income taxes. In addition, for Class A shares the calculation assumes the
deduction of the maximum sales charge of 4.50%; for Class B and Class C shares
the calculation reflects the deduction of any applicable CDSC. The periods
illustrated would normally include one, five and ten years (or since the
commencement of the public offering of the shares of a class, if shorter)
through the most recent calendar quarter. 
    

     One or more additional measures and assumptions, including but not limited
to historical total returns; distribution returns; results of actual or
hypothetical investments; changes in dividends, distributions or share values;
or any graphic illustration of such data may also be used. These data may cover
any period of the Fund's existence and may or may not include the impact of
sales charges, taxes or other factors.

   
     Other investments or savings vehicles and/or unmanaged market indices,
indicators of economic activity or averages of mutual fund results may be cited
or compared with the investment performance of the Fund. The Fund may also
include securities industry or comparative performance information generally and
in advertising or materials marketing the Fund's shares. Such performance
information may include rankings or listings by magazines, newspapers or
independent statistical or ratings services, such as Lipper Analytical Services,
Inc. or Ibbotson Associates.

     The Fund's investment results will be calculated separately for each class
of shares and vary from time to time depending on market conditions, the
composition of the Fund's portfolio, operating expenses of the Fund and expenses
attributed to a specific class of shares. All quoted investment results are
historical and should not be considered representative of what an investment in
the Fund may earn in any future period. For further information about the
calculation methods and uses of the Fund's investment results, see the Statement
of Additional Information. 
    


                                       17
<PAGE>

                                     Notes

                                       18
<PAGE>

                          THE PIONEER FAMILY OF MUTUAL FUNDS


                          Growth Funds

                          Global/International

                             Pioneer Emerging Markets Fund
                             Pioneer Europe Fund
                             Pioneer Gold Shares
   
                             Pioneer Indo-Asia Fund
    
                             Pioneer International Growth Fund
                             Pioneer World Equity Fund


                          United States

                             Pioneer Capital Growth Fund
                             Pioneer Growth Shares
   
                             Pioneer Micro-Cap Fund
    
                             Pioneer Mid-Cap Fund
                             Pioneer Small Company Fund


   
                          Growth and Income Funds
    

                             Pioneer Balanced Fund
                             Pioneer Equity-Income Fund
                             Pioneer Fund
                             Pioneer Real Estate Shares
                             Pioneer II

                          Income Funds

                          Taxable

   
                             Pioneer Income Trust
                             Pioneer Bond Fund
                             Pioneer Short-Term Income Trust

                          Tax-Exempt*

                             Pioneer Intermediate Tax-Free Fund
                             Pioneer Tax-Free Income Fund

                          Money Market Fund

                             Pioneer Cash Reserves Fund

                            *Not suitable for retirement accounts

    

                                       19
<PAGE>


                                                                 [PIONEER LOGO]

Pioneer
Bond Fund
60 State Street
Boston, Massachusetts

OFFICERS
JOHN F. COGAN, JR., Chairman and President
DAVID D. TRIPPLE, Executive Vice President
SHERMAN B. RUSS, Vice President
WILLIAM H. KEOUGH, Treasurer
JOSEPH P. BARRI, Secretary

INVESTMENT ADVISER
PIONEERING MANAGEMENT CORPORATION

CUSTODIAN
BROWN BROTHERS HARRIMAN & CO.

INDEPENDENT PUBLIC ACCOUNTANTS
ARTHUR ANDERSEN LLP

LEGAL COUNSEL
HALE AND DOOR LLP


PRINICPAL UNDERWRITER
PIONEER FUNDS DISTRIBUTOR, INC.

SHAREHOLDER SERVICES AND TRANSFER AGENT
PIONEERING SERVICES CORPORATION
60 State Street
Boston, Massachusetts 02109
Telephone: 1-800-225-6292

   
SERVICE INFORMATION
If you would like information on the following, please call:
Existing and new accounts, prospectuses,
  applications and service forms
  and telephone transactions............................1-800-225-6292
FactFone(SM)
  Automated fund yields, automated prices
  and account information...............................1-800-225-4321
Retirement plans........................................1-800-622-0176
Toll-free fax...........................................1-800-225-4240
Telecommunications Device for the Deaf (TDD)............1-800-225-1997
Visit our website.................................www.pioneerfunds.com
    



1098-5715
[copyright] Pioneer Funds Distributor, Inc.




                                                       
                                PIONEER BOND FUND
                                 60 State Street
                           Boston, Massachusetts 02109

                       STATEMENT OF ADDITIONAL INFORMATION
                       Class A, Class B and Class C Shares

   
                                October 28, 1998

         This  Statement of  Additional  Information  is not a  prospectus,  but
should be read in  conjunction  with the  prospectus  dated October 28, 1998, as
supplemented  or revised  from time to time (the  "Prospectus")  of Pioneer Bond
Fund (the "Fund").  A copy of the  Prospectus  can be obtained free of charge by
calling Shareholder Services at 1-800-225-6292 or by written request to the Fund
at 60 State Street,  Boston,  Massachusetts 02109. The most recent Annual Report
to Shareholders  is attached to this Statement of Additional  Information and is
hereby incorporated in this Statement of Additional Information by reference.
    

                                TABLE OF CONTENTS
                                                                         Page

   
1. Investment Policies and Restrictions....................................2
2. Management of the Fund..................................................6
3. Investment Adviser.....................................................10
4. Underwriting Agreement and Distribution Plans..........................10
5. Shareholder Servicing/Transfer Agent...................................14
6. Custodian..............................................................15
7. Principal Underwriter..................................................15
8. Independent Public Accountants.........................................15
9. Portfolio Transactions.................................................15
10. Tax Status............................................................17
11. Description of Shares.................................................20
12. Certain Liabilities...................................................20
13. Determination of Net Asset Value......................................21
14. Systematic Withdrawal Plan............................................22
15. Letter of Intent......................................................22
16. Investment Results....................................................22
17. Financial Statements..................................................26
Appendix A -- Description of Short-Term Debt and Corporate Bond Ratings...27
Appendix B - Performance Statistics.......................................32
Appendix C - Other Pioneer Information....................................47
    

                THIS STATEMENT OF ADDITIONAL INFORMATION IS NOT A
                PROSPECTUS AND IS AUTHORIZED FOR DISTRIBUTION TO
                    PROSPECTIVE INVESTORS ONLY IF PRECEDED OR
                     ACCOMPANIED BY AN EFFECTIVE PROSPECTUS.


<PAGE>



1.       INVESTMENT POLICIES AND RESTRICTIONS

         The  Fund's  Prospectus  presents  the  investment  objectives  and the
principal investment policies of the Fund.  Additional investment policies and a
further  description of some of the policies  described in the Prospectus appear
below.  Capitalized terms not otherwise defined herein have the meaning given to
them in the Prospectus.

         The following  policies and  restrictions  set forth under  "Investment
Restrictions" supplement those discussed in the Prospectus.  Except with respect
to the policy on borrowing  described  below,  whenever an investment  policy or
restriction  states  a  maximum  percentage  of the  Fund's  assets  that may be
invested in any security or presents a policy regarding quality standards,  this
standard or other  restrictions  shall be determined  immediately after and as a
result of the Fund's  investment.  Accordingly,  any later  increase or decrease
resulting from a change in values, net assets or other circumstances will not be
considered  in  determining  whether  the  investment  complies  with the Fund's
investment objectives and policies, other than the policy on borrowing.

Lending of Portfolio Securities

   
         The Fund may lend portfolio securities to member firms of the Exchange,
under agreements  which would require that the loans be secured  continuously by
collateral in cash,  cash  equivalents or U.S.  Treasury  bills  maintained on a
current basis at an amount at least equal to the market value of the  securities
loaned.  The Fund would  continue to receive the  equivalent  of the interest or
dividends  paid by the issuer on the  securities  loaned and would also  receive
compensation based on investment of the collateral. The Fund would not, however,
have the right to vote any securities  having voting rights during the existence
of the loan, but would call the loan in  anticipation of an important vote to be
taken among holders of the  securities or of the giving or  withholding of their
consent on a material matter affecting the investment.

         As with  other  extensions  of  credit,  there  are  risks  of delay in
recovery  or even loss of rights in the  collateral  should the  borrower of the
securities  fail  financially.  The Fund will lend portfolio  securities only to
firms which have been approved in advance by the Fund's Board of Trustees, which
will monitor the  creditworthiness of any such firms. At no time would the value
of the securities loaned exceed 30% of the value of the Fund's total assets. The
Fund did not lend  portfolio  securities  during the last fiscal year and has no
present intention to engage in any material securities lending in the future.

When Issued Securities

         The Fund may also  purchase and sell  securities on a "when issued" and
"delayed delivery" basis. These transactions arise when securities are purchased
or sold by the Fund with payment and delivery taking place in the future.  These
transactions  are  subject  to market  fluctuation  and the value at the time of
delivery may be more or less than the purchase  price.  Since the Fund will rely
on the buyer or  seller,  as the case may be,  to  consummate  the  transaction,
failure by the other party to complete  the  transaction  may result in the Fund
missing  the  opportunity  of  obtaining  a  price  or  yield  considered  to be
advantageous.  No interest accrues to the Fund prior to delivery.  When the Fund
is the buyer in such a transaction  it will  maintain,  in a segregated  account
with its custodian,  cash, U.S. government securities, or high-grade liquid debt
obligations  having an  aggregate  value  equal to the  amount of such  purchase
commitments  until payment is made.  The Fund will make  commitments to purchase
securities  on such basis only with the  intention of actually  acquiring  these
securities,  but the Fund may sell such securities  prior to the settlement date
if such sales are considered to be advisable.  To the extent the Fund engages in
when issued and delayed delivery transactions,  it will do so for the purpose of
acquiring  securities  for the  Fund's  portfolio  consistent  with  the  Fund's
investment  objective  and  policies  and  not  for the  purpose  of  investment
leverage.
    

Mortgage-Backed Securities

Multiple-Class Pass-through Securities and Collateralized Mortgage Obligations

         The Fund may invest in collateralized mortgage obligations ("CMOs") and
real estate mortgage investment conduit ("REMIC")  pass-through or participation
certificates, which may be issued by, among others, U.S. Government agencies and
instrumentalities  as well as private lenders.  CMOs and REMIC  certificates are
issued in multiple  classes and the  principal  of and  interest on the mortgage
assets may be allocated among the several classes of CMOs or REMIC  certificates
in various ways. Each class of CMOs or REMIC certificates,  often referred to as
a "tranche," is issued at a specific  adjustable or fixed interest rate and must
be fully retired no later than its final distribution date. Generally,  interest
is paid or accrues on all  classes  of CMOs or REMIC  certificates  on a monthly
basis.  Typically,  CMOs are  collateralized  by  certificates of the Government
National Mortgage Association, the Federal National Mortgage Association, or the
Federal Home Loan Mortgage  Corporation but also may be  collateralized by other
mortgage assets such as whole loans or private mortgage pass-through securities.
Debt  service on CMOs is provided  from  payments of  principal  and interest on
collateral of mortgaged assets and any reinvestment income thereon.

Risk Factors Associated with Mortgaged-Backed Securities

         The value of an investment in fixed rate obligations can be expected to
rise as interest  rates decline and decline as interest rates rise. In contrast,
as interest  rates on  adjustable  rate mortgage  loans are reset  periodically,
yields on investments in such loans will gradually  align  themselves to reflect
changes in market  interest  rates,  causing  the value of such  investments  to
fluctuate less dramatically in response to interest rate fluctuations than would
investments in fixed rate obligations.

         The yield characteristics of Mortgage-Backed  Securities, such as those
in which the Fund may invest,  differ  from those of  traditional  fixed  income
securities.  The major differences  typically include more frequent interest and
principal payments (usually  monthly),  the adjustability of interest rates, and
the possibility that prepayments of principal may be made substantially  earlier
than their final distribution dates.  Prepayment rates are influenced by changes
in current  interest  rates and a variety of  economic,  geographic,  social and
other  factors and cannot be predicted  with  certainty.  Both  adjustable  rate
mortgage loans and fixed rate mortgage loans may be subject to a greater rate of
principal  prepayment in a declining  interest rate  environment and to a lesser
rate of principal prepayments in an increasing interest rate environment.  Under
certain interest rate and prepayment rate scenarios, the Fund may fail to recoup
fully its investment in Mortgage-Backed Securities notwithstanding any direct or
indirect  governmental  or agency  guarantee.  When the Fund  reinvests  amounts
representing payments and unscheduled prepayments of principal, it may receive a
rate of  interest  that is  lower  than  the rate on  existing  adjustable  rate
mortgage  pass-through  securities.   Thus,   Mortgage-Backed   Securities,  and
adjustable  rate mortgage  pass-through  securities in  particular,  may be less
effective than other types of U.S. Government  securities as a means of "locking
in" interest rates.

Investment Restrictions

         Fundamental  Investment  Restrictions.  The  Fund has  adopted  certain
fundamental  investment  restrictions  which  may  not be  changed  without  the
affirmative vote of the holders of a majority of the Fund's  outstanding  voting
securities.  As  used  in  the  Prospectus  and  this  Statement  of  Additional
Information,  such approval  means the approval of the lesser of (i) the holders
of 67% or more of the shares  represented  at a meeting  if the  holders of more
than 50% of the  outstanding  shares are present in person or by proxy,  or (ii)
the holders of more than 50% of the outstanding shares.

         The Fund may not:

                  (1)  purchase any security  (other than  securities  issued or
guaranteed  by the U.S.  Government  or its agencies or  instrumentalities)  if,
immediately  after and as a result of such  investment,  (a) more than 5% of the
value of the Fund's total assets would be invested in  securities of the issuer;
(b) the Fund would hold more than 10% of the voting securities of the issuer; or
(c) more than 25% of the  value of the  Fund's  assets  would be  invested  in a
single  industry  (each  of the  electric  utility,  natural  gas  utility,  and
telephone  industries  shall  be  considered  as a  separate  industry  for this
purpose);

                  (2) buy or sell  real  estate  in the  ordinary  course of its
business;  provided,  however,  the Fund may invest in readily  marketable  debt
securities  secured by real estate or interests  therein or issued by companies,
including  real  estate  investment  trusts,  which  invest  in real  estate  or
interests therein;

                  (3) buy or sell  commodities  or  commodity  contracts  except
interest rate futures  contracts,  options on  securities,  securities  indices,
currency and other  financial  instruments,  futures  contracts  on  securities,
securities indices, currency and other financial instruments and options on such
futures  contracts,   forward  foreign  currency  exchange  contracts,   forward
commitments,  securities index put or call warrants,  interest rate swaps,  caps
and floors and repurchase  agreements entered into in accordance with the Fund's
investment policies;

                  (4)  underwrite any issue of securities;

                  (5) make loans in an aggregate  amount in excess of 10% of the
value of the Fund's total assets,  taken at the time any loan is made,  provided
that (i) the  purchase  of debt  securities  pursuant  to the Fund's  investment
objectives shall not be deemed loans for the purposes of this restriction,  (ii)
loans of portfolio securities as described, from time to time, under "Lending of
Portfolio  Securities"  shall be made  only in  accordance  with the  terms  and
conditions  therein  set  forth and  (iii) in  seeking  a return on  temporarily
available cash, the Fund may engage in repurchase  transactions  maturing in one
week or less and involving  obligations of the U.S. Government,  its agencies or
instrumentalities;

                  (6) sell securities short,  except to the extent that the Fund
contemporaneously  owns  or has the  right  to  acquire  at no  additional  cost
securities identical to those sold short;

                  (7)  purchase securities on margin;

                  (8) borrow  money,  except  that,  as a temporary  measure for
extraordinary or emergency  purposes and not for investment  purposes,  the Fund
may  borrow  up to 5% of the  value  of its  total  assets  at the  time  of the
borrowing; or

                  (9) mortgage, pledge, or hypothecate any of its assets.

   
         Non-fundamental Investment Restrictions.  The following restriction has
been  designated as  non-fundamental  and may be changed by a vote of the Fund's
Board of Trustees without approval of shareholders.
    

         The Fund may not:

         invest  in  companies  for  the  purpose  of   exercising   control  or
management.

         It is the  policy of the Fund not to  concentrate  its  investments  in
securities of companies in any particular  industry or group of  industries.  In
the opinion of the staff of SEC,  investments  are  concentrated in a particular
industry if such  investments  aggregate 25% or more of the Fund's total assets.
The Fund has agreed to abide by the foregoing non-  fundamental  policy which it
will not  change  without  the  affirmative  vote of a  majority  of the  Fund's
outstanding shares of beneficial interest.

         In connection with the offering of its shares in various  states,  as a
matter of  non-fundamental  investment policy, the Fund has agreed not to invest
in puts, calls,  straddles,  spreads or any combination  thereof, in oil, gas or
other mineral  leases,  exploration or development  programs,  or in real estate
limited partnerships.

Other Policies and Risks

         The Fund may invest up to 15% of its assets in foreign  securities  and
up to 5% of  its  assets  in  foreign  securities  which  are  not  listed  on a
recognized  foreign or domestic  exchange,  provided that  purchases of Canadian
securities are not subject to the  limitations in this  paragraph.  Investing in
securities of foreign  companies and countries  involves certain  considerations
and risks which are not typically  associated with investing in U.S.  government
securities and those of domestic companies.  Foreign companies are not generally
subject to uniform accounting, auditing and financial standards and requirements
comparable  to  those  applicable  to U.S.  companies.  There  may  also be less
government  supervision and regulation of foreign securities exchanges,  brokers
and listed companies than exists in the United States.

   
         The Fund's  interest  income  and, in some  cases,  capital  gains from
foreign  securities may be subject to withholding  and other foreign taxes which
may decrease the net return on such investments as compared to the Fund's return
from  investments  in obligations  issued by the U.S.  government or by domestic
companies.  In  addition,  there  may  be  the  possibility  of  expropriations,
confiscatory taxation,  political,  economic or social instability or diplomatic
developments  which could affect  assets of the Fund held in foreign  countries.
The value of foreign securities may be adversely affected by fluctuations in the
relative rates of exchange  between the  currencies of different  nations and by
exchange control regulations.  There may be less publicly available  information
about  foreign  companies  and  governments  compared  to  reports  and  ratings
published about U.S.  companies.  Foreign  securities markets have substantially
less volume than domestic  markets and securities of some foreign  companies are
less liquid and more volatile than securities of comparable U.S. companies.
    

2.       MANAGEMENT OF THE FUND

         The  Fund's  Board of  Trustees  provides  broad  supervision  over the
affairs of the Fund.  The  officers of the Fund are  responsible  for the Fund's
operations.  The Trustees and  executive  officers of the Fund are listed below,
together  with  their  principal  occupations  during  the past five  years.  An
asterisk  indicates those Trustees who are interested persons of the Fund within
the meaning of 1940 Act.

   
JOHN F. COGAN, JR.*, Chairman of the Board, President and Trustee,
DOB: June 1926
         President, Chief Executive Officer and a Director of The Pioneer Group,
Inc.  ("PGI");  Chairman  and a Director of  Pioneering  Management  Corporation
("PMC") and Pioneer  Funds  Distributor,  Inc.  ("PFD");  Director of Pioneering
Services Corporation ("PSC"),  Pioneer Capital Corporation ("PCC"), Pioneer Real
Estate Advisors,  Inc., Pioneer Forest,  Inc.,  Pioneer Explorer,  Inc., Pioneer
Management   (Ireland)   Ltd.   ("PMIL")   and  Closed   Joint   Stock   Company
"Forest-Starma";  President and Director of Pioneer Metals and Technology,  Inc.
("PMT"),  Pioneer  International  Corp.  ("PIntl"),  Pioneer First Russia,  Inc.
("First Russia") and Pioneer Omega,  Inc.  ("Omega");  Chairman of the Board and
Director of Pioneer Goldfields Limited ("PGL") and Teberebie Goldfields Limited;
Chairman of the  Supervisory  Board of Pioneer Fonds  Marketing,  GmbH,  Pioneer
First  Polish  Investment  Fund Joint Stock  Company,  S.A.  and  Pioneer  Czech
Investment Company, A.S.; Chairman,  President and Trustee of all of the Pioneer
mutual funds;  Director of Pioneer  Global Equity Fund Plc,  Pioneer Global Bond
Fund Plc,  Pioneer DM Cashfonds Plc,  Pioneer  European Equity Fund Plc, Pioneer
Central & Eastern  Europe  Fund Plc and  Pioneer US Real  Estate  Fund Plc;  and
Partner, Hale and Dorr LLP (counsel to PGI and the Fund).

MARY K. BUSH, Trustee, DOB: April 1948
4201 Cathedral Avenue, NW, Washington, DC  20016
         President,  Bush &  Co.,  an  international  financial  advisory  firm;
Director  and/or Trustee of Mortgage  Guaranty  Insurance  Corporation,  Novecon
Management Company,  Hoover Institution,  Folger Shakespeare  Library,  March of
Dimes,  Project 2000,  Inc.  (not-for-profit  educational  organization),  Small
Enterprise  Assistance Fund and Wilberforce  University;  Advisory Board Member,
Washington Mutual Investors Fund, a registered  investment company;  and Trustee
of all the Pioneer mutual funds, except Pioneer Variable Contracts Trust.

RICHARD H. EGDAHL, M.D., Trustee, DOB: December 1926
Boston University Health Policy Institute, 53 Bay State Road, Boston, MA  02215
                  Alexander    Graham    Bell    Professor    of   Health   Care
Entrepreneurship,  Boston University; Professor of Management, Boston University
School of Management;  Professor of Public Health,  Boston  University School of
Public  Health;  Professor  of Surgery,  Boston  University  School of Medicine;
University  Professor,  Boston  University;  Director,  Boston University Health
Policy Institute and Boston University Program for Health Care Entrepreneurship;
Director,  CORE  (management of workers'  compensation  and  disability  costs -
Nasdaq National Market);  Director,  WellSpace (provider of complementary health
care); Trustee, Boston Medical Center;  Honorary Trustee,  Franciscan Children's
Hospital; and Trustee of all of the Pioneer mutual funds.

MARGARET B.W. GRAHAM, Trustee, DOB: May 1947
The Keep, P.O. Box 110, Little Deer Isle, ME  04650
         Founding Director,  The Winthrop Group, Inc. (consulting firm); Manager
of Research  Operations,  Xerox Palo Alto  Research  Center,  from 1991 to 1994;
Professor of Operations  Management  and  Management of Technology and Associate
Dean, Boston University School of Management,  from 1989 to 1993; and Trustee of
all the Pioneer mutual funds, except Pioneer Variable Contracts Trust.

JOHN W. KENDRICK, Trustee, DOB: July 1917
6363 Waterway Drive, Falls Church, VA  22044
         Professor Emeritus,  George Washington University;  Director,  American
Productivity and Quality Center; Adjunct Scholar, American Enterprise Institute;
and  Trustee  of  all of the  Pioneer  mutual  funds,  except  Pioneer  Variable
Contracts Trust.

MARGUERITE A. PIRET, Trustee, DOB: May 1948
One Boston Place, Suite 2635, Boston, MA  02108
         President,  Newbury,  Piret & Company,  Inc.  (merchant  banking firm);
Trustee  of Boston  Medical  Center;  Member of the  Board of  Governors  of the
Investment Company Institute; and Trustee of all of the Pioneer mutual funds.

DAVID D. TRIPPLE*, Trustee and Executive Vice President, DOB: February 1944
         Executive  Vice  President  and a  Director  of  PGI;  President  and a
Director of PMC; Director of PFD, PCC, PIntl, First Russia,  Omega, Pioneer SBIC
Corporation  ("Pioneer  SBIC"),  PMIL,  Pioneer Global Equity Fund Plc,  Pioneer
Global Bond Fund Plc,  Pioneer DM Cashfonds Plc,  Pioneer  European  Equity Fund
Plc,  Pioneer  Central & Eastern Europe Fund Plc and Pioneer US Real Estate Fund
Plc;  and  Executive  Vice  President  and Trustee of all of the Pioneer  mutual
funds.

STEPHEN K. WEST, Trustee, DOB: September 1928
125 Broad Street, New York, NY  10004
         Of Counsel to Sullivan & Cromwell  (law firm);  Trustee,  The  Winthrop
Focus Funds (mutual funds); and Trustee of all of the Pioneer mutual funds.

JOHN WINTHROP, Trustee, DOB: June 1936
One North Adgers Wharf, Charleston, SC  29401
         President,  John  Winthrop  &  Co.,  Inc.  (private  investment  firm);
Director of NUI Corp. (energy sales, services and distribution);  and Trustee of
all of the Pioneer mutual funds, except Pioneer Variable Contracts Trust.

WILLIAM H. KEOUGH, Treasurer, DOB: April 1937
         Senior Vice President,  Chief  Financial  Officer and Treasurer of PGI;
Treasurer of PFD, PMC,  PSC,  PCC,  PIntl,  PMT,  PGL,  First Russia,  Omega and
Pioneer SBIC; and Treasurer of all of the Pioneer mutual funds.

JOSEPH P. BARRI, Secretary, DOB: August 1946
         Corporate  Secretary of PGI and most of its subsidiaries;  Secretary of
all of the Pioneer mutual funds; and Partner, Hale and Dorr LLP.

ERIC W. RECKARD, Assistant Treasurer, DOB: June 1956
         Manager of Business  Planning and Internal Audit of PMC since September
1996;  Manager of Fund  Accounting  of PMC since May 1994;  Manager of Auditing,
Compliance  and  Business  Analysis  for PGI  prior to May 1994;  and  Assistant
Treasurer of all of the Pioneer mutual funds.
    


<PAGE>



   
ROBERT P. NAULT, Assistant Secretary, DOB: March 1964
         General  Counsel and Assistant  Secretary of PGI since 1995;  Assistant
Secretary of PMC, PIntl, PGL, First Russia,  Omega and all of the Pioneer mutual
funds;  Assistant  Clerk of PFD and PSC; and junior partner of Hale and Dorr LLP
prior to 1995.
    

SHERMAN B. RUSS, Vice President,  DOB:  July 1937
         Senior Vice  President of PMC;  Vice  President of Pioneer Money Market
Trust, Pioneer America Income Trust and Pioneer Interest Shares.

         The Fund's  Declaration of Trust (the  "Declaration of Trust") provides
that the holders of  two-thirds of its  outstanding  shares may vote to remove a
Trustee of the Fund at any meeting of shareholders.  See "Description of Shares"
below.  The  business  address  of all  officers  is 60  State  Street,  Boston,
Massachusetts 02109.

         All of the  outstanding  capital  stock of PFD,  PMC and PSC is  owned,
directly or indirectly, by PGI, a publicly-owned Delaware corporation.  PMC, the
Fund's  investment  adviser,  serves as the  investment  adviser for the Pioneer
mutual funds listed below and manages the  investments of certain  institutional
accounts.

         The table below lists all the Pioneer mutual funds currently offered to
the public and the investment adviser and principal underwriter for each fund.

                                              Investment           Principal
Fund Name                                       Adviser           Underwriter

   
Pioneer International Growth Fund                 PMC                 PFD
Pioneer Europe Fund                               PMC                 PFD
Pioneer World Equity Fund                         PMC                 PFD
Pioneer Emerging Markets Fund                     PMC                 PFD
Pioneer Indo-Asia Fund                            PMC                 PFD
Pioneer Capital Growth Fund                       PMC                 PFD
Pioneer Mid-Cap Fund                              PMC                 PFD
Pioneer Growth Shares                             PMC                 PFD
Pioneer Small Company Fund                        PMC                 PFD
Pioneer Independence Fund                         PMC               Note 1
Pioneer Gold Shares                               PMC                 PFD
Pioneer Equity-Income Fund                        PMC                 PFD
Pioneer Fund                                      PMC                 PFD
Pioneer II                                        PMC                 PFD
Pioneer Micro-Cap Fund                            PMC                 PFD
Pioneer Real Estate Shares                        PMC                 PFD
Pioneer Short-Term Income Trust                   PMC                 PFD
Pioneer America Income Trust                      PMC                 PFD
Pioneer Bond Fund                                 PMC                 PFD
Pioneer Balanced Fund                             PMC                 PFD
Pioneer Intermediate Tax-Free Fund                PMC                 PFD
Pioneer Tax-Free Income Fund                      PMC                 PFD
Pioneer Cash Reserves Fund                        PMC                 PFD
Pioneer Interest Shares                           PMC               Note 2
Pioneer Variable Contracts Trust                  PMC               Note 3

Note 1 This  fund is  available  to the  general  public  only  through  Pioneer
Independence Plans, a systematic investment plan sponsored by PFD.

Note 2            This fund is a closed-end fund.

Note 3            This is a series of eight  separate  portfolios  designed to
                  provide  investment  vehicles  for the  variable  annuity  and
                  variable  life  insurance   contracts  of  various   insurance
                  companies or for certain qualified pension plans.

         To the  knowledge of the Fund,  as of September 30, 1998, no officer or
Trustee of the Fund owned 5% or more of the  issued  and  outstanding  shares of
PGI,  except Mr. Cogan who then owned  approximately  14% of such shares.  As of
September  30,  1998,  the  Trustees  and  officers  of the Fund  owned,  in the
aggregate,  less  than  1% of the  outstanding  securities  of the  Fund.  As of
September 30, 1998,  Merrill Lynch Pierce Fenner & Smith For the Sole Benefit of
its  Customers,  Mutual Fund  Administration,  4800 Deer Lake Drive East 3rd FL,
Jacksonville,  FL 32246-6484 owned of record 11.5%  (549,807.356  shares) of the
outstanding  Class B shares of the Fund and 8.82%  (118,851.207  shares)  of the
outstanding Class C shares of the Fund.
    

Compensation of Officers and Trustees

   
         The Fund pays no salaries or compensation  to any of its officers.  The
Fund pays an annual  trustee's  fee to each Trustee who is not  affiliated  with
PMC, PGI, PFD or PSC  consisting of two  components:  (a) a base fee of $750 and
(b) a variable  fee,  calculated on the basis of average net assets of the Fund.
In addition,  the Fund pays a per meeting fee of $150 to each Trustee who is not
affiliated  with PMC,  PGI, PFD or PSC and pays an annual  trustee's fee of $750
plus  expenses to each Trustee  affiliated  with PMC,  PGI, PFD or PSC. The Fund
also pays an annual committee participation fee to Trustees who serve as members
of committees  established to act on behalf of one or more of the Pioneer mutual
funds.  Committee  fees are  allocated  to the Fund on the  basis of the  Fund's
average net assets.  Each Trustee who is a member of the Audit Committee for the
Pioneer  mutual funds will  receive an annual fee equal to 10% of the  aggregate
annual  trustee's fee,  except the Committee  Chairperson who receives an annual
fee equal to 20% of the aggregate  annual  trustee's fee. Members of the Pricing
Committee for the Pioneer  mutual funds,  as well as any other  committee  which
renders material  functional  services to the Boards of Trustees for the Pioneer
mutual funds,  such as the Year 2000  Committee,  International  Transfer  Agent
Issues Committee and Disinterested  Trustees  Committee),  receive an annual fee
equal  to 5% of  the  aggregate  annual  trustee's  fee,  except  the  Committee
Chairperson  who  receives  an annual fee equal to 10% of the  aggregate  annual
trustee's fee. Any such fees paid to Trustees  affiliated  with PMC. PGI, PFD or
PSC are reimbursed to the Fund under its management contract.
    

         The following table sets forth certain  information with respect to the
compensation of each Trustee of the Fund:

                                                 Pension or
                                                 Retirement          Total
                                                  Benefits        Compensation
                                 Aggregate       Accrued as      from Fund and
                               Compensation       Part of        Pioneer Family
  Name of Trustee               from Fund *     Fund Expenses      of Funds**

   
John F. Cogan, Jr.                $  500            $0              $12,000
Mary K.Bush +                      $1852            $0              $30,000
Richard H. Egdahl, M.D.           $1,851            $0              $62,000
Margaret B.W. Graham              $1,859            $0              $60,000
John W. Kendrick                  $1,752            $0              $55,800
Margeurite A. Piret               $2,140            $0              $80,000
David D. Tripple                  $  500            $0              $12,000
Stephen K. West                   $1,949            $0              $63,800
John Winthrop                     $2,079            $0              $69,000
                                  -                 --         
           Total                 $14,482            $0             $444,600
                                 =======            ==             ========


*        For the fiscal year ended  June 30, 1998
**       For the calendar year ended December 31, 1997
    

3.       INVESTMENT ADVISER

         The  Fund  has   contracted   with  PMC,  60  State   Street,   Boston,
Massachusetts, to act as its investment adviser. The term of the contract is one
year, but it is renewable  annually after such date by the vote of a majority of
the Board of Trustees of the Fund (including a majority of the Board of Trustees
who are not parties to the contract or  interested  persons of any such parties)
cast in person at a meeting  called for the  purpose of voting on such  renewal.
This contract  terminates if assigned and may be terminated  without  penalty by
either  party by vote of its  Board of  Directors  or  Trustees  or by vote of a
majority of outstanding  voting securities and the giving of sixty days' written
notice.  Pursuant  to the  management  contract,  PMC will not be liable for any
error of judgment or mistake of law or for any loss  sustained  by reason of the
adoption of any  investment  policy or the  purchase,  sale or  retention of any
securities on the recommendation of PMC. PMC, however,  is not protected against
liability by reason of wilful misfeasance,  bad faith or gross negligence in the
performance  of its  duties  or by  reason  of  its  reckless  disregard  of its
obligations and duties under the respective management contract.

   
As  compensation  for its  management  services  and expenses  incurred,  PMC is
entitled  to a  management  fee at the rate of  0.50%  per  annum of the  Fund's
average daily net assets.  The fee is normally  computed daily and paid monthly.
During  its 1998,  1997,  and 1996  fiscal  years,  the Fund paid or owed  total
management  fees  to PMC  of  approximately  $696,789,  $596,770,  and  $588,432
respectively.
    

 4.      UNDERWRITING AGREEMENT AND DISTRIBUTION PLANS

   
         The Fund has  entered  into an  underwriting  agreement  with PFD.  The
underwriting  agreement will continue from year to year if annually  approved by
the Trustees.  The underwriting  agreement  provides that PFD will bear expenses
for the distribution of the Fund's shares,  except for expenses  incurred by PFD
for which it is reimbursed  or  compensated  by the Fund under the  distribution
plans discussed below.

         PFD  bears all  expenses  it incurs  in  providing  services  under the
underwriting agreement.  Such expenses include compensation to its employees and
representatives  and to securities  dealers for  distribution  related  services
performed for the Fund.  PFD also pays certain  expenses in connection  with the
distribution of the Fund's shares, including the cost of preparing, printing and
distributing  advertising or promotional materials, and the cost of printing and
distributing prospectuses and supplements to prospective shareholders.  The Fund
bears the cost of  registering  its shares  under  federal and state  securities
laws.  The Fund and PFD have  agreed to  indemnify  each other  against  certain
liabilities, including liabilities under the Securities Act of 1933, as amended.
Under the  underwriting  agreement,  PFD will use its best  efforts in rendering
services to the Fund.
    

         The Fund has  adopted a plan of  distribution  pursuant  to Rule  12b-1
under the 1940 Act with  respect  to Class A,  Class B and  Class C shares  (the
"Class A  Plan,"  the  "Class B Plan"  and the  "Class C Plan")  (together,  the
"Plans").

         Class A Plan

   
         Pursuant  to the  Class  A Plan  the  Fund  may  reimburse  PFD for its
expenditures in financing any activity  primarily intended to result in the sale
of the Fund's Class A shares.  Certain categories of such expenditures have been
approved  by the  Board of  Trustees  and are set forth in the  Prospectus.  See
"Distribution Plans" in the Prospectus. The expenses of the Fund pursuant to the
Class A Plan are accrued on a fiscal year basis and may not exceed, with respect
to Class A shares,  the annual  rate of 0.25% of the Fund's  average  annual net
assets attributable to Class A.
    

         Class B Plan

         The Class B Plan  provides  that the Fund shall pay PFD,  as the Fund's
distributor for its Class B shares,  a distribution fee equal on an annual basis
to 0.75% of the Fund's average daily net assets  attributable  to Class B shares
and will pay PFD a service  fee equal to 0.25% of the Fund's  average  daily net
assets  attributable to Class B shares (which PFD will in turn pay to securities
dealers which enter into a sales  agreement with PFD at a rate of up to 0.25% of
the Fund's  average  daily net assets  attributable  to Class B shares  owned by
investors  for whom that  securities  dealer is the holder or dealer of record).
This service fee is intended to be in consideration of personal  services and/or
account  maintenance  services  rendered by the dealer  with  respect to Class B
shares.  PFD will advance to dealers the first-year  service fee at a rate equal
to 0.25% of the amount invested.  As compensation  therefor,  PFD may retain the
service  fee paid by the Fund with  respect  to such  shares  for the first year
after purchase.  Dealers will become  eligible for additional  service fees with
respect to such shares  commencing in the thirteenth  month following  purchase.
Dealers  may from time to time be  required to meet  certain  other  criteria in
order to receive  service fees. PFD or its affiliates are entitled to retain all
service  fees  payable  under the  Class B Plan for which  there is no dealer of
record  or for  which  qualification  standards  have not  been  met as  partial
consideration  for  personal  services  and/or  account   maintenance   services
performed by PFD or its affiliates for shareholder accounts.

         The purpose of  distribution  payments to PFD under the Class B Plan is
to  compensate  PFD  for  its  distribution  services  to  the  Fund.  PFD  pays
commissions to dealers as well as expenses of printing  prospectuses and reports
used for sales  purposes,  expenses with respect to the preparation and printing
of sales literature and other distribution related expenses,  including, without
limitation,  the cost necessary to provide  distribution-  related services,  or
personnel,  travel office expenses and equipment. The Class B Plan also provides
that  PFD  will  receive  all  CDSC's  attributable  to  Class  B  shares.  (See
"Distribution  Plans" in the  Prospectus.)  When a  broker-dealer  sells Class B
shares and  elects,  with  PFD's  approval,  to waive its right to  receive  the
commission normally paid at the time of the sale, PFD may cause all or a portion
of the distribution fees described above to be paid to the broker-dealer.

         The Fund's Class B Plan and  underwriting  agreement  have been amended
effective  September  30,  1998 to  permit  PFD to sell  its  right  to  receive
distribution  fees under the Plan and CDSCs to third  parties.  PFD enters  into
such  transactions  to finance the payment of commissions to brokers at the time
of sale  and  other  distribution-related  expenses.  In  connection  with  such
amendments, the Fund has agreed that the distribution fee will not be terminated
or modified  (including a  modification  by change in the rules  relating to the
conversion of Class B shares into Class A shares) with respect to Class B shares
(a)  issued  prior  to  the  date  of any  termination  or  modification  or (b)
attributable  to Class B shares  issued  through one or a series of exchanges of
shares of another investment company for which PFD acts as principal underwriter
which  were  initially   issued  prior  to  the  date  of  such  termination  or
modification  or (c) issued as a dividend  or  distribution  upon Class B shares
initially  issued or  attributable to Class B shares issued prior to the date of
any such  termination  or  modification except:

                           (i) to the  extent  required  by a change in the 1940
                           Act,  the rules or  regulations  under  the Act,  the
                           Conduct   Rules  of  the  National   Association   of
                           Securities Dealers, Inc. (the "NASD"), or an order of
                           any  court  or  governmental  agency,  in  each  case
                           enacted,  issued or promulgated  after  September 30,
                           1998;

                           (ii) in connection  with a Complete  Termination  (as
                           defined in the Plan); or

                           (iii) on a basis, determined by the Board of Trustees
                           acting in good  faith,  so long as from and after the
                           effective date of such  modification  or termination:
                           neither the Fund, the adviser nor certain  affiliates
                           pays, directly or indirectly, a fee to any person for
                           the  provision  of personal  and account  maintenance
                           services (as such terms are used in the Conduct Rules
                           of the  NASD) to the  holder of Class B shares of the
                           Fund  and  the  termination  or  modification  of the
                           distribution  fee  applies  with equal  effect to all
                           Class B shares outstanding from time to time.

         The  Class B Plan  also  provides  that  PFD  shall be  deemed  to have
performed  all  services  required  to be  performed  in order to be entitled to
receive the  distribution  fee, if any,  payable  with respect to Class B shares
sold through PFD upon the  settlement  date of the sale of such Class B share or
in the case of Class B shares  issued  through one or a series of  exchanges  of
shares of another investment company for which PFD acts as principal underwriter
or issued as a dividend or distribution  upon Class B shares,  on the settlement
date of the first sale on a commission  basis of a Class B share from which such
Class B share was derived.

         In the amendments to the underwriting  agreement,  the Fund agreed that
subsequent  to the issuance of a Class B share,  it would not take any action to
waive or  change  any  CDSC  (including  a change  in the  rules  applicable  to
conversion  of Class B shares  into  another  class) in  respect of such Class B
shares,  except  (i) as  provided  in the  Fund's  prospectus  or  statement  of
additional information in effect on September 30, 1998, or (ii) as required by a
change in the 1940 Act and the rules and  regulations  thereunder,  the  Conduct
Rules of the NASD or any  order of any  court or  governmental  agency  enacted,
issued or promulgated after September 30, 1998.

Class C Plan

   
                  The Class C Plan  provides  that a Fund  will pay PFD,  as the
Fund's  distributor for its Class C shares, a distribution fee accrued daily and
paid  quarterly,  equal on an annual basis to 0.75% of the Fund's  average daily
net assets  attributable  to Class C shares and will pay PFD a service fee equal
to 0.25% of the Fund's average daily net assets  attributable to Class C shares.
PFD will in turn pay to securities  dealers  which enter into a sales  agreement
with PFD a distribution fee and a service fee at rates of up to 0.75% and 0.25%,
respectively,  of the Fund's  average daily net assets  attributable  to Class C
shares  owned by  investors  for whom that  securities  dealer is the  holder or
dealer of record. The service fee is intended to be in consideration of personal
services and/or account maintenance services rendered by the dealer with respect
to Class C shares.  PFD will advance to dealers the first-year  service fee at a
rate equal to 0.25% of the amount invested. As compensation  therefore,  PFD may
retain the  service  fee paid by the Fund with  respect  to such  shares for the
first year after  purchase.  Commencing  in the  thirteenth  month  following  a
purchase of Class C shares,  dealers will become eligible for additional service
fees at a rate of up to 0.25% of the current  value of the amount  invested  and
additional  compensation at a rate of up to 0.75% of the average net asset value
with respect to such  shares.  Dealers may from time to time be required to meet
certain other  criteria in order to receive  service fees. PFD or its affiliates
are entitled to retain all service fees payable under the Class C Plan for which
there is no dealer of record or for which qualification  standards have not been
met as partial  consideration for personal  services and/or account  maintenance
services performed by PFD or its affiliates for shareholder accounts.
    

         The purpose of  distribution  payments to PFD under the Class C Plan is
to  compensate  PFD for its  distribution  services  with respect to the Class C
shares of the Fund.  PFD pays  commissions  to  dealers as well as  expenses  of
printing prospectuses and reports used for sales purposes, expenses with respect
to   the   preparation   and   printing   of   sales    literature   and   other
distribution-related expenses, including, without limitation, the cost necessary
to provide  distribution-related  services, or personnel, travel office expenses
and  equipment.  The Class C Plan also  provides that PFD will receive all CDSCs
attributable to Class C shares.  (See  "Distribution  Plans" in the Prospectus.)
When a broker-dealer  sells Class C shares and elects,  with PFD's approval,  to
waive its right to receive the commission normally paid at the time of the sale,
PFD may cause all or a portion of the  distribution  fees described  above to be
paid to the broker-dealer.

General

         In accordance with the terms of the Plans, PFD provides to the Fund for
review by the Trustees a quarterly  written report of the amounts expended under
the respective  Plan and the purpose for which such  expenditures  were made. In
the Trustees'  quarterly  review of the Plans,  they will consider the continued
appropriateness  and the  level  of  reimbursement  or  compensation  the  Plans
provide.

         No  interested  person of the Fund,  nor any Trustee of the Fund who is
not an  interested  person of the Fund,  has any  direct or  indirect  financial
interest in the operation of the Plans except to the extent that PFD and certain
of its employees may be deemed to have such an interest as a result of receiving
a portion of the amounts  expended under the Plans by the Fund and except to the
extent certain officers may have an interest in PFD's ultimate parent, PGI.

   
         The Plans were  adopted by a  majority  vote of the Board of  Trustees,
including  all of the Trustees who are not, and were not at the time they voted,
interested  persons of the Fund, as defined in the 1940 Act (none of whom had or
have any direct or indirect  financial  interest in the operation of the Plans),
cast in person at a meeting  called for the  purpose of voting on the Plans.  In
approving  the  Plans,  the  Trustees  identified  and  considered  a number  of
potential  benefits which the Plans may provide.  The Board of Trustees believes
that there is a reasonable  likelihood  that the Plans will benefit the Fund and
its current and future  shareholders.  Under their  terms,  the Plans  remain in
effect from year to year provided such continuance is approved  annually by vote
of the Trustees in the manner  described  above. The Plans may not be amended to
increase materially the annual percentage limitation of average net assets which
may be  spent  for  the  services  described  therein  without  approval  of the
shareholders of the class affected thereby, and material amendments of the Plans
must also be approved by the Trustees in the manner  described above. A Plan may
be  terminated  at any time,  without  payment  of any  penalty,  by vote of the
majority of the Trustees who are not interested  persons of the Fund and have no
direct or indirect  financial  interest in the  operations  of the Plan, or by a
vote of a majority of the outstanding  voting securities (as defined in the 1940
Act) of the respective class of the Fund. A Plan will automatically terminate in
the event of its assignment (as defined in the 1940 Act).

         During the fiscal  year ended June  30,1998,  the Fund  incurred  total
distribution fees pursuant to the Fund's Class A Plan, Class B Plan, and Class C
Plan respectively,  as follows: $267,315, $248,383 and $75,697. The distribution
fees  were  paid by the Fund to PFD in  reimbursement  of  expenses  related  to
servicing  of  shareholder  accounts  and  to  compensating  dealers  and  sales
personnel.

         Upon  redemption,  certain  Class A shares may be subject to a 1% CDSC,
Class B shares are subject to a CDSC at a rate declining from a maximum of 4% of
the  lower of the cost or market  value of the  shares  and  Class C shares  are
subject to a 1% CDSC.  During the fiscal year ended June 30, 1998, CDSCs, in the
amount of $81,811 were paid to PFD.
    

5.       SHAREHOLDER SERVICING/TRANSFER AGENT

   
         The  Fund  has   contracted   with  PSC,  60  State   Street,   Boston,
Massachusetts  02109,  to act as shareholder  servicing agent and transfer agent
for the Fund.  This contract may be terminated  without  penalty by either party
upon 90 days' written notice.

         Under the terms of its contract with the Fund, PSC services shareholder
accounts,  and  its  duties  include:  (i)  processing  sales,  redemptions  and
exchanges  of  Fund  shares;  (ii)  distributing  dividends  and  capital  gains
associated with Fund portfolio  accounts;  and (iii) maintaining account records
and responding to routine shareholder inquiries.

         PSC  receives  an annual  fee of $30.00  for each  Class A, Class B and
Class C  shareholder  account  from the Fund as  compensation  for the  services
described  above.  PSC is also  reimbursed  by the  Fund  for its  out-of-pocket
expenditures.  The  annual  fee is set at an  amount  determined  by  vote  of a
majority of the Fund's  Trustees  (including  a majority of the Trustees who are
not parties to the contract with PSC or interested  persons of any such parties)
to be  comparable  to fees  for such  services  being  paid by other  investment
companies. The Fund may compensate entities which have agreed to provide certain
sub-accounting   services,   such  as  specific   transaction   processing   and
recordkeeping  services.  Any such  payments by the Fund would be in lieu of the
per account fee which would otherwise be paid by the Fund to PSC.
    

6.       CUSTODIAN

   
         Brown Brothers Harriman & Co., 40 Water Street,  Boston,  Massachusetts
02109, is the custodian (the "Custodian") of the Fund's assets.  The Custodian's
responsibilities  include  safekeeping  and  controlling  the  Fund's  cash  and
securities,  handling the receipt and  delivery of  securities,  and  collecting
interest and dividends on the Fund's investments.
    

         The Custodian does not determine the investment policies of the Fund or
decide  which  securities  the Fund  will buy or sell.  The Fund may  invest  in
securities,  including  repurchase  agreements,  issued by the Custodian and may
deal with the  Custodian  as  principal in  securities  transactions.  Portfolio
securities may be deposited into the Federal  Reserve-Treasury  Department  Book
Entry System or the Depository Trust Company.

7.       PRINCIPAL UNDERWRITER

   
         PFD,  60 State  Street,  Boston,  Massachusetts  02109,  serves  as the
principal underwriter for the Fund. During the Fund's 1998, 1997 and 1996 fiscal
years,  net  underwriting  commissions  earned  by PFD in  connection  with  its
offering  of Fund  shares  were  approximately  $38,000,  $33,000  and  $39,000,
respectively.  Commissions reallowed to dealers by PFD in those three years were
approximately $305,000, $219,000 and $281,000,  respectively.  See "Underwriting
Agreement and  Distribution  Plan" above for a  description  of the terms of the
Underwriting Agreement with PFD.
    

         The Fund will not generally issue Fund shares for  consideration  other
than cash. At the Fund's sole discretion,  however, it may issue Fund shares for
consideration  other than cash in connection  with an  acquisition  of portfolio
securities.

8.       INDEPENDENT PUBLIC ACCOUNTANTS

         Arthur Andersen LLP, 225 Franklin Street, Boston,  Massachusetts 02110,
are the Fund's independent  public  accountants,  providing audit services,  tax
return review,  and assistance and consultation  with respect to the preparation
of filings with the SEC.

9.       PORTFOLIO TRANSACTIONS

         All orders for the purchase or sale of portfolio  securities are placed
on behalf of the Fund by PMC pursuant to authority  contained in the  management
contract.  Securities  purchased and sold on behalf of the Fund normally will be
traded in the over-the counter market on a net basis (i.e.  without  commission)
through  dealers  acting for their own account  and not as brokers or  otherwise
through transactions directly with the issuer of the instrument. Some securities
are  purchased  and  sold on an  exchange  or in  over-the-counter  transactions
conducted on an agency basis involving a commission.  The primary  consideration
in placing  portfolio  security  transactions is execution at the most favorable
prices. Additionally, in selecting brokers or dealers, PMC will consider various
relevant  factors,  including,  but not  limited  to,  the  size and type of the
transaction;  the nature and  character  of the markets  for the  security to be
purchased  or  sold;  the  execution  efficiency,   settlement  capability,  and
financial condition of the dealer; the dealer's execution services rendered on a
continuing  basis; the  reasonableness  of any dealer spreads;  and the dealer's
sale of shares of the Fund or other Pioneer mutual funds.


<PAGE>



   
         PMC may select dealers which provide brokerage and/or research services
to the Fund  and/or  other  investment  companies  or  accounts  managed by PMC.
Consistent  with  Section  28(e) of the  Securities  Exchange  Act of  1934,  as
amended,  the Fund  may pay  commissions  to such  broker-dealers  in an  amount
greater  than the amount  another  firm might  charge as  compensation  for such
services  if PMC  determines  in good faith  that the amount of the  commissions
charged by a broker-dealer is reasonable in relation to the services provided by
such  broker-dealer.  Such services may include  advice  concerning the value of
securities;  the advisability of investing in, purchasing or selling securities;
the  availability  of  securities or the  purchasers  or sellers of  securities;
providing stock quotation services;  furnishing analyses, electronic information
services,  manuals  and  reports  concerning  issuers,  industries,  securities,
economic  factors and  trends,  portfolio  strategy,  performance  of  accounts,
comparative fund statistics and credit rating service information; and effecting
securities  transactions and performing  functions  incidental  thereto (such as
clearance and settlement). PMC maintains a listing of broker-dealers who provide
such services on a regular basis.  However,  because it is anticipated that many
transactions on behalf of the Fund and other investment companies managed by PMC
are placed with broker-dealers (including broker-dealers on the listing) without
regard to the  furnishing of such  services,  it is not possible to estimate the
proportion of such transactions  directed to such broker- dealers solely because
such services were provided.  Management believes that no exact dollar value can
be calculated for such services.

         The  research  received  from dealers may be useful to PMC in rendering
investment  management services to the Fund and to other investment companies or
accounts managed by PMC,  although not all of such research may be useful to the
Fund and conversely,  such  information  provided by brokers or dealers who have
executed transaction orders on behalf of such other PMC clients may be useful to
PMC in carrying out its  obligations  to the Fund.  The receipt of such research
has not reduced  PMC's  normal  independent  research  activities;  however,  it
enables PMC to avoid the additional  expenses which might  otherwise be incurred
if it were to attempt to develop comparable information through its own staff.
    

         In  circumstances  where two or more  broker-dealers  offer  comparable
prices and executions, preference may be given to a broker-dealer which has sold
shares of the Fund as well as shares of other  investment  companies or accounts
managed by PMC. This policy does not imply a commitment to execute all portfolio
transactions through all broker-dealers that sell shares of the Fund.

   
         In  addition  to the  Fund,  PMC acts as  investment  adviser  to other
Pioneer mutual funds and certain  private  accounts with  investment  objectives
similar  to the  Fund's.  As such,  securities  frequently  meet the  investment
objectives of the Fund,  such other mutual funds and such private  accounts.  In
such cases,  the decision to recommend a purchase for one fund or account rather
than another is based on a number of factors.  The  determining  factors in most
cases are the amount of securities of the issuer then outstanding,  the value of
those  securities  and the  market for them.  Other  factors  considered  in the
investment  recommendations include other investments which each fund or account
presently  has in a  particular  industry  or country  and the  availability  of
investment funds in each fund or account.

         It is possible  that, at times,  identical  securities  will be held by
more than one fund and/or account. However, positions in the same issue may vary
and the  length  of time  that  any  fund or  account  may  choose  to hold  its
investment  in the same issue may  likewise  vary.  To the extent that the Fund,
another  mutual fund in the Pioneer  group or a private  account  managed by PMC
seeks to acquire the same  security at about the same time,  the Fund may not be
able to  acquire as large a position  in such  security  as it desires or it may
have to pay a higher price for the security. Similarly, the Fund may not be able
to obtain as large an  execution  of an order to sell or as high a price for any
particular  portfolio  security  if PMC  decides  to sell on behalf  of  another
account the same portfolio  security at the same time. On the other hand, if the
same  securities  are bought or sold at the same time by more than one  account,
the  resulting   participation  in  volume  transactions  could  produce  better
executions  for the Fund or other  account.  In the  event  that  more  than one
account  purchases or sells the same security on a given date, the purchases and
sales  will  normally  be made as nearly as  practicable  on a pro rata basis in
proportion to the amounts desired to be purchased or sold by each.

         The   Trustees   periodically   review   PMC's   performance   of   its
responsibilities  in connection with the placement of portfolio  transactions on
behalf of the Fund.
    

10.    TAX STATUS

         It is the Fund's policy to meet the requirements of Subchapter M of the
Code, for qualification as a regulated  investment  company.  These requirements
relate to the sources of the Fund's income,  the  diversification  of its assets
and the distribution of its income to  shareholders.  If the Fund meets all such
requirements and distributes to its shareholders,  in accordance with the Code's
timing requirements, all investment company taxable income and net capital gain,
if any,  which it earns,  the Fund will be relieved of the  necessity  of paying
federal income tax.

   
         In order to qualify as a regulated  investment company under Subchapter
M, the Fund must,  among other  things,  derive at least 90% of its annual gross
income from interest,  payments with respect to securities loans, gains from the
sale or other disposition of securities or foreign  currencies,  or other income
derived  with  respect  to its  business  of  investing  in such  securities  or
currencies (the "90% income test").and  satisfy certain annual  distribution and
quarterly  diversification  requirements.  For  purposes of the 90% income test,
income the Fund earns from equity  interests  in certain  entities  that are not
treated as corporations  (e.g.,  are treated as partnerships or trusts) for U.S.
tax purposes will generally have the same character for the Fund as in the hands
of such  entities;  consequently,  the Fund may be  required to limit its equity
investments  in such  entities  that earn fee income,  rental  income,  or other
nonqualifying income.

         Dividends from investment  company  taxable income,  which includes net
investment  income,  net  short-term  capital  gain in excess  of net  long-term
capital loss, and certain net foreign  exchange  gains,  are taxable as ordinary
income,  whether received in cash or reinvested in additional shares.  Dividends
from net long-term  capital gain in excess of net short-term  capital loss ("net
capital  gain"),  if any,  whether  received in cash or reinvested in additional
shares,  are taxable to the Fund's  shareholders as long-term  capital gains for
federal  income tax purposes  without regard to the length of time shares of the
Fund have been held.
    

         Any dividend  declared by the Fund in October,  November or December as
of a record date in such a month and paid during the  following  January will be
treated for federal income tax purposes as received by  shareholders on December
31 of the calendar year in which it is declared.

   
         Foreign  exchange  gains and losses  realized by the Fund in connection
with  certain   transactions   involving   foreign   currency-denominated   debt
securities,  foreign  currencies,  or payables or  receivables  denominated in a
foreign  currency are subject to Section 988 of the Code, which generally causes
such gains and losses to be treated as ordinary income and losses and may affect
the amount, timing and character of distributions to shareholders.  Under future
regulations,  any transactions in foreign currency that are not directly related
to the Fund's investment in securities may need to be limited in order to enable
the Fund to satisfy the 90% income test. If the net foreign  exchange loss for a
year were to exceed the  Fund's  investment  company  taxable  income  (computed
without regard to such loss), the resulting  overall ordinary loss for such year
would not be deductible by the Fund or its shareholders in future years.
    

         If the Fund invests in certain pay-in-kind  securities  ("PIKs"),  zero
coupon  securities,  deferred  interest  securities  or, in  general,  any other
securities  with original  issue  discount (or with market  discount if the Fund
elects to include  market  discount in income  currently),  the Fund must accrue
income on such  investments for each taxable year, which generally will be prior
to the  receipt  of the  corresponding  cash  payments.  However,  the Fund must
distribute,  at least  annually,  all or  substantially  all of its net  income,
including  such  accrued  income,  to  shareholders  to qualify  as a  regulated
investment  company  under the Code and avoid  Federal  income and excise taxes.
Therefore,  the Fund may  have to  dispose  of its  portfolio  securities  under
disadvantageous  circumstances  to generate cash, or may have to leverage itself
by borrowing the cash, to satisfy distribution requirements.

   
         For federal income tax purposes, the Fund is permitted to carry forward
a net capital loss for any year to offset its capital gains,  if any, during the
eight years  following  the year of the loss. To the extent  subsequent  capital
gains are offset by such  losses,  they  would not result in federal  income tax
liability to the Fund and therefore are not expected to be  distributed  as such
to  shareholders.  At June  30,  1998,  the  Fund  had  aggregate  capital  loss
carryforwards  of approximately  $4,559,000,  which will expire between 1999 and
2006 if not utilized.
    

         At the time of an investor's  purchase of Fund shares, a portion of the
purchase price may be attributable to realized or unrealized appreciation in the
Fund's portfolio.  Consequently,  subsequent  distributions on these shares from
such appreciation may be taxable to such investor even if the net asset value of
the investor's  shares is, as a result of the  distributions,  reduced below the
investor's cost for such shares and the distributions  economically  represent a
return of a portion of the investment.

   
         Redemptions and exchanges are taxable events for shareholders  that are
subject  to  tax.  Shareholders  should  consult  their  own tax  advisers  with
reference to their individual  circumstances to determine whether any particular
transaction  in Fund shares is properly  treated as a sale for tax purposes,  as
the following  discussion assumes,  and the tax treatment of any gains or losses
recognized in such  transactions.  Any loss  realized by a shareholder  upon the
redemption, exchange or other disposition of shares with a tax holding period of
six months or less will be treated as a long-term  capital loss to the extent of
any amounts treated as distributions  of long-term  capital gain with respect to
such shares.

         In addition, if Class A shares redeemed or exchanged have been held for
less  than 91 days,  (1) in the case of a  reinvestment  in the Fund or  another
mutual fund at net asset value pursuant to the reinvestment privilege, the sales
charge  paid on such  shares is not  included in their tax basis under the Code,
and (2) in the case of an exchange, all or a portion of the sales charge paid on
such shares is not  included in their tax basis under the Code,  to the extent a
sales  charge  that  would  otherwise  apply to the shares  received  is reduced
pursuant to the exchange  privilege.  In either  case,  the portion of the sales
charge not included in the tax basis of the shares redeemed or surrendered in an
exchange is included in the tax basis of the shares acquired in the reinvestment
or  exchange.  Losses on  redemptions  or other  dispositions  of shares  may be
disallowed under "wash sale" rules in the event of other investments in the Fund
(including  those made pursuant to reinvestment of dividends and/or capital gain
distributions) within a period of 61 days beginning 30 days before and ending 30
days after a redemption  or other  disposition  of shares.  In such a case,  the
disallowed portion of any loss would be included in the federal tax basis of the
shares acquired in the other investments.
    

         The  Fund's  dividends  and  distributions  will  not  qualify  for any
dividends-received  deduction  that might  otherwise  be  available  for certain
dividends received by shareholders that are corporations.

         The Fund may be  subject  to  withholding  and other  taxes  imposed by
foreign  countries,  including taxes on interest and capital gains, with respect
to its investments in those countries. Tax conventions between certain countries
and the U.S. may reduce or eliminate such taxes in some cases. The Fund does not
expect to satisfy the requirements for passing through to its shareholders their
pro rata shares of  qualified  foreign  taxes paid by the Fund,  with the result
that  shareholders  will not include such taxes in their gross  incomes and will
not be  entitled  to a tax  deduction  or credit for such taxes on their own tax
returns.

         Different  tax  treatment,   including   penalties  on  certain  excess
contributions  and  deferrals,   certain   pre-retirement  and   post-retirement
distributions,  and  certain  prohibited  transactions,  is accorded to accounts
maintained as qualified retirement plans.  Shareholders should consult their tax
advisers for more information.

         A state income (and possibly local income and/or  intangible  property)
tax exemption is generally available to the extent the Fund's  distributions are
derived from  interest on (or, in the case of  intangible  property  taxes,  the
value of its assets is  attributable  to) certain U.S.  Government  obligations,
provided in some states that certain thresholds for holdings of such obligations
and/or reporting  requirements are satisfied.  The Fund will not seek to satisfy
any  threshold or reporting  requirements  that may apply in  particular  taxing
jurisdictions,  although the Fund may in its sole  discretion  provide  relevant
information to shareholders.

         Federal law requires that the Fund  withhold (as "backup  withholding")
31% of reportable payments,  including dividends, capital gain dividends and the
proceeds of redemptions  (including  exchanges) and  repurchases to shareholders
who have not complied with IRS  regulations.  In order to avoid this withholding
requirement,  shareholders  must certify on their  Account  Applications,  or on
separate  IRS Forms  W-9,  that the  Social  Security  Number or other  Taxpayer
Identification Number they provide is their correct number and that they are not
currently  subject to backup  withholding,  or that they are exempt  from backup
withholding.  The Fund may  nevertheless  be required to withhold if it receives
notice from the IRS or a broker that the number  provided is incorrect or backup
withholding is applicable as a result of previous  underreporting of interest or
dividend income.

   
         If, as  anticipated,  the Fund  continues  to  qualify  as a  regulated
investment  company  under  the  Code,  it  will  not be  required  to  pay  any
Massachusetts income, corporate excise or franchise taxes.

         The description of certain federal tax provisions above relates only to
U.S. federal income tax  consequences  for  shareholders  who are U.S.  persons,
i.e., U.S. citizens or residents or U.S. corporations,  partnerships,  trusts or
estates,  and who are subject to U.S.  federal income tax. This description does
not address the special tax rules that may be applicable to particular  types of
investors,  such as  financial  institutions,  insurance  companies,  securities
dealers,  or tax-exempt or tax-deferred plans,  accounts or entities.  Investors
other  than U.S.  persons  may be  subject  to  different  U.S.  tax  treatment,
including  a  possible  30%   non-resident   alien  U.S.   withholding  tax  (or
non-resident alien withholding tax at a lower treaty rate) on amounts treated as
ordinary  dividends  from the Fund  and,  unless  an  effective  IRS Form W-8 or
authorized  substitute  for Form W-8 is on file,  to 31% backup  withholding  on
certain other payments from the Fund.  Shareholders should consult their own tax
advisers on these matters and on state, local and other applicable tax laws.
    

11.      DESCRIPTION OF SHARES

   
         The Declaration of Trust permits its Board of Trustees to authorize the
issuance of an  unlimited  number of full and  fractional  shares of  beneficial
interest  (without par value) which may be divided into such separate  series as
the Trustees may establish. Currently, the Fund consists of only one series. The
Trustees may, however,  establish additional series of shares, and may divide or
combine the shares  into a greater or lesser  number of shares  without  thereby
changing the proportionate  beneficial interests in the Fund. The Declaration of
Trust further  authorizes  the Trustees to classify or reclassify  any series of
the  shares  into one or more  classes.  Pursuant  thereto,  the  Trustees  have
authorized the issuance of three classes of shares of the Fund,  Class A shares,
Class B shares and Class C shares.  Each share of a class of the Fund represents
an equal  proportionate  interest  in the assets of the Fund  allocable  to that
class. Upon liquidation of the Fund,  shareholders of each class are entitled to
share pro rata in the Fund's net assets  allocable to such class  available  for
distribution  to  shareholders.  The Fund reserves the right to create and issue
additional  series or classes of shares,  in which case the shares of each class
of a series would  participate  equally in the  earnings,  dividends  and assets
allocable to that class of the particular series.

         Shareholders  are entitled to one vote for each share held and may vote
in the  election  of Trustees  and on other  matters  submitted  to a meeting of
shareholders.  Although  Trustees are not elected annually by the  shareholders,
shareholders  have under certain  circumstances  the right to remove one or more
Trustees.  The shares of the Fund are  entitled  to vote  separately  to approve
investment  advisory  agreements  or changes  in  investment  restrictions,  but
shareholders  of all series  vote  together in the  election  and  selection  of
Trustees and  accountants.  Shares of all series of the Fund vote  together as a
class on matters that affect the Fund in  substantially  the same manner.  As to
matters affecting a single class, shares of such class will vote separately.  No
amendment that adversely  affects the rights of shareholders  may be made to the
Fund's  Declaration of Trust without the  affirmative  vote of a majority of the
Fund's shares.  Shares have no preemptive or conversion rights except that under
certain  circumstances Class B shares may convert to Class A shares.  Shares are
fully  paid and  non-assessable  by the Fund,  except as set  forth  below.  See
"Certain Liabilities."
    

12.      CERTAIN LIABILITIES

         As a Massachusetts  business trust, the Fund's  operations are governed
by its  Declaration  of Trust dated December 7, 1993, a copy of which is on file
with the office of the Secretary of State of The Commonwealth of  Massachusetts.
Shareholders of a Massachusetts business trust may, under certain circumstances,
be held  personally  liable  for the  obligations  of the  trust.  However,  the
Declaration of Trust contains an express disclaimer of shareholder liability for
acts or  obligations  of the Fund or any  series of the Fund and  provides  that
notice of such disclaimer be given in each  agreement,  obligation or instrument
entered into or executed by the Fund or its Trustees.  Moreover, the Declaration
of  Trust  provides  for  the  indemnification  out  of  Fund  property  of  any
shareholders  held  personally  liable  for any  obligations  of the Fund or any
series of the Fund. The  Declaration of Trust also provides that the Fund shall,
upon request,  assume the defense of any claim made against any  shareholder for
any act or obligation of the Fund and satisfy any judgment  thereon.  Thus,  the
risk of a  shareholder  incurring  financial  loss beyond his or her  investment
because of shareholder  liability would be limited to circumstances in which the
Fund  itself will be unable to meet its  obligations.  In light of the nature of
the Fund's business and the nature and amount of its assets,  the possibility of
the Fund's liabilities  exceeding its assets, and therefore a shareholder's risk
of personal liability, is remote.

         The Declaration of Trust further provides that the Fund shall indemnify
each of its Trustees and officers  against  liabilities and expenses  reasonably
incurred by them,  in connection  with,  or arising out of, any action,  suit or
proceeding,  threatened against or otherwise  involving such Trustee or officer,
directly or  indirectly,  by reason of being or having been a Trustee or officer
of the Fund.  The  Declaration of Trust does not authorize the Fund to indemnify
any Trustee or officer  against any liability to which he or she would otherwise
be subject by reason of or for willful misfeasance,  bad faith, gross negligence
or reckless disregard of such person's duties.

13.      DETERMINATION OF NET ASSET VALUE

   
         The net asset  value per share of each class of the Fund is  determined
as of the close of regular trading  (currently 4:00 p.m.,  Eastern time) on each
day on which the Exchange is open for trading.  As of the date of this Statement
of Additional Information, the Exchange is open for trading every weekday except
for the  following  holidays:  New Year's  Day,  Martin  Luther  King,  Jr. Day,
Presidents'  Day,  Good  Friday,  Memorial  Day,  Independence  Day,  Labor Day,
Thanksgiving  Day and Christmas Day. The net asset value per share of each class
of the Fund is also determined on any other day in which the level of trading in
its  portfolio  securities  is  sufficiently  high so that the current net asset
value per share  might be  materially  affected  by  changes in the value of its
portfolio  securities.  The  net  asset  value  per  share  of the  Fund  is not
determined  on any day in which no purchase  orders in good order for the shares
of the Fund are received and no shares are tendered for redemption.

         The net asset  value per share of each class of the Fund is computed by
taking the value of all of the Fund's assets  attributable to a class,  less the
Fund's  liabilities  attributable to that class,  and dividing the result by the
number of  outstanding  shares of the class.  The Board of Trustees has directed
that the fair market value of the Fund's assets should be determined as follows.
Ordinarily,   investments  in  debt  securities  are  valued  on  the  basis  of
information  furnished by a pricing  service which  utilizes  primarily a matrix
system (which reflects such factors as security prices,  yields,  maturities and
ratings),   supplemented  by  dealer  and  exchange  quotations,   to  recommend
valuations for normal  institutional-sized  trading units of debt securities. In
addition, the Board has instructed advisory personnel not to rely exclusively on
this pricing service if the fair market value of certain  securities may be more
accurately  determined on the basis of information available from other sources.
Temporary cash investments are valued at cost, which approximates market value.
    

         The maximum  offering  price per Class A share is  determined by adding
the maximum  sales charge to the net asset value per Class A share.  Class B and
Class C shares are  offered at net asset  value  without  the  imposition  of an
initial sales charge.

14.      SYSTEMATIC WITHDRAWAL PLAN

   
         The  Systematic  Withdrawal  Plan  ("SWP")  is  designed  to  provide a
convenient  method of receiving fixed payments at regular  intervals from shares
of the Fund  deposited  by the  applicant  under this SWP.  The  applicant  must
deposit or purchase for deposit with PSC shares of the Fund having a total value
of not less  than  $10,000.  Class B  accounts  must  meet the  minimum  initial
investment requirement prior to establishing a SWP. Withdrawals from Class B and
Class C share  accounts  are  limited to 10% of the value of the  account at the
time the SWP is  implemented.  Periodic  payments of $50 or more will  deposited
periodically  directly into a bank account designated by the applicant,  or will
be sent to the applicant, or any person designated by the applicant. Designation
of a third party to receive  payments  subsequent  to opening an account must be
accompanied by a signature guarantee.
    

         Any income dividends or capital gains distributions on shares under the
SWP  will be  credited  to the  SWP  account  on the  payment  date in full  and
fractional shares at the net asset value per share in effect on the record date.

         SWP  payments are made from the  proceeds of the  redemption  of shares
deposited  under the SWP in a SWP account.  To the extent that such  redemptions
for periodic  withdrawals  exceed dividend income reinvested in the SWP account,
such  redemptions  will reduce and may  ultimately  exhaust the number of shares
deposited in the Plan account.  Share redemptions are taxable transactions,  and
in addition the amounts  received by a  shareholder  cannot be  considered as an
actual yield or income on his or her  investment  because part of such  payments
may be a return of his or her investment.

         The SWP may be terminated  at any time (1) by written  notice to PSC or
from PSC to the shareholder;  (2) upon receipt by PSC of appropriate evidence of
the  shareholder's  death;  or (3) when all  shares  under  the Plan  have  been
redeemed.

15.      LETTER OF INTENT (Class A only)

   
         A Letter of Intent  ("LOI") may be  established  by completing  the LOI
section of the Account Application.  When you sign the Account Application,  you
agree  to  irrevocably  appoint  PSC  your  attorney-in-fact  to  surrender  for
redemption any or all shares held in escrow with full power of substitution.  An
LOI is not a binding  obligation  upon the investor to purchase,  or the Fund to
sell, the full amount indicated.
    

         If the total purchases,  less redemptions,  exceed the amount specified
under the LOI and are in an amount  which would  qualify for a further  quantity
discount,  all transactions will be recomputed on the expiration date of the LOI
to effect the lower sales charge.  Any difference in the sales charge  resulting
from such  recomputation  will be either delivered to you in cash or invested in
additional shares at the lower sales charge.  The dealer, by signing the Account
Application,  agrees to return to PFD, as part of such  retroactive  adjustment,
the excess of the  commission  previously  reallowed  or paid to the dealer over
that which is applicable to the actual amount of the total  purchases  under the
LOI.

   
         If the total  purchases,  less  redemptions,  are less than the  amount
specified under the LOI, you must remit to PFD any difference  between the sales
charge on the amount actually  purchased and the amount originally  specified in
the LOI section of the Account  Application.  When the  difference is paid,  the
shares held in escrow will be deposited to your  account.  If you do not pay the
difference in sales charge within 20 days after written request from PFD or your
dealer, PSC, after receiving  instructions from PFD, will redeem the appropriate
number of shares  held in escrow to  realize  the  difference  and  release  any
excess.  See "How to Buy Fund Shares - Letter of Intent" in the  Prospectus  for
more information.
    

16.      INVESTMENT RESULTS

         The Fund's yield quotations and average annual total return  quotations
as they may appear in the Prospectus,  this Statement of Additional  Information
or in  advertising  and sales  literature  are  calculated  by standard  methods
prescribed by the SEC.

Quotations, Comparisons, and General Information

         From  time to  time,  in  advertisements,  in sales  literature,  or in
reports to  shareholders,  the past  performance  of the Fund may be illustrated
and/or  compared  with  that of  other  mutual  funds  with  similar  investment
objectives,  and to other relevant indices.  For example, the Fund may compare a
class's  yield  and/or total return to the  Shearson  Lehman  Hutton  Government
Index,  U.S.  Government bond rates, or other  comparable  indices or investment
vehicles.

   
         In addition, the performance of the classes of the Fund may be compared
to alternative investment or savings vehicles and/or to indices or indicators of
economic activity,  e.g., inflation or interest rates.  Performance rankings and
listings reported in newspapers or national business and financial publications,
such as Barron's,  Business Week, Consumers Digest, Consumer Reports,  Financial
World, Forbes, Fortune,  Investors Business Daily,  Kiplinger's Personal Finance
Magazine,  Money Magazine,  New York Times, Personal Investor,  Smart Money, USA
Today, U.S. News and World Report,  The Wall Street Journal,  and Worth may also
be cited (if the Fund is listed in such publications) or used for comparison, as
well as performance  listings and rankings from various other sources  including
CDA/Weisenberger  Investment Companies Service,  Donoghue's Mutual Fund Almanac,
Investment  Company Data, Inc.,  Ibbotson  Associates,  Johnson's Charts,  Kanon
Bloch Carre & Co., Lipper  Analytical  Services,  Micropal,  Inc.,  Morningstar,
Inc., Schabacker Investment Management and Towers Data Systems, Inc.
    

         In addition,  from time to time quotations from articles from financial
publications such as those listed above may be used in advertisements,  in sales
literature or in reports to Fund shareholders.

   
         One of the primary  methods used to measure the  performance of a class
of the  Fund is  "total  return."  Total  return  will  normally  represent  the
percentage change in value of an account,  or of a hypothetical  investment in a
class of the Fund,  over any  period up to the  lifetime  of that  class.  Total
return  calculations  will usually assume the  reinvestment of all dividends and
capital gains  distributions  and will be expressed as a percentage  increase or
decrease  from  an  initial  value  for  the  entire  period  or for one or more
specified periods within the entire period. Total return percentages for periods
of less than one year will usually be annualized;  total return  percentages for
periods longer than one year may be accompanied by total return  percentages for
each year within the period and/or by the average annual compounded total return
for the  period.  The income and  capital  components  of a given  return may be
separated  and  portrayed  in a  variety  of ways in order to  illustrate  their
relative  significance.  Performance  may also be  portrayed in terms of cash or
investment values,  without  percentages.  Past performance cannot guarantee any
particular future result.
    

         In  representing  investment  results  of a  class,  the  Fund may also
include  references to certain  financial  planning  concepts,  including (a) an
investor's  need to evaluate  his or her  financial  assets and  obligations  to
determine how much to invest;  (b) the need to analyze the objectives of various
investments to determine where to invest; and (c) the need to analyze his or her
time  frame for  future  capital  needs to  determine  how long to  invest.  The
investor  controls  these  three  factors,  all  of  which  affect  the  use  of
investments in building assets.

Standardized Yield Quotations

   
         Yield  quotations  for Class A, Class B and Class C shares are computed
by dividing the net investment income per share attributable to a class during a
base period of 30 days, or one month, by the maximum offering price per share of
the class on the last day of such base period in  accordance  with the following
formula:
    

                                            a-b   6
                           YIELD  = 2[ ( ----- +1) -1]
                                            cd

Where:            a          =      interest earned during the period

                  b          =      net expenses accrued for the period

                  c                 =  the  average   daily   number  of  shares
                                    outstanding  during  the  period  that  were
                                    entitled to receive dividends

                  d          =      the maximum offering price per share on the
                                    last day of the period

For purposes of calculating  interest earned on debt  obligations as provided in
item "a" above:

         (i) The  yield  to  maturity  of each  obligation  held by the  Fund is
computed based on the market value of the obligation  (including  actual accrued
interest,  if any) at the close of  business  each day during  the  30-day  base
period, or, with respect to obligations purchased during the month, the purchase
price (plus  actual  accrued  interest,  if any) on  settlement  date,  and with
respect to obligations sold during the month the sale price (plus actual accrued
interest, if any) between the trade and settlement dates.

         (ii) The yield to maturity of each  obligation  is then  divided by 360
and the resulting  quotient is multiplied by the market value of the  obligation
(including actual accrued interest,  if any) to determine the interest income on
the obligation for each day. The yield to maturity  calculation has been made on
each obligation during the 30 day base period.

         (iii) Interest earned on all debt obligations  during the 30-day or one
month period is then totaled.

         (iv) The maturity of an obligation with a call provision(s) is the next
call date on which the obligation reasonably may be expected to be called or, if
none, the maturity date.

         With  respect to the  treatment  of discount and premium on mortgage or
other receivables-backed obligations which are expected to be subject to monthly
payments of principal and interest ("pay downs"),  the Fund accounts for gain or
loss  attributable  to actual  monthly  pay downs as an  increase or decrease to
interest  income  during  the  period.  In  addition,  the Fund may elect (i) to
amortize the discount or premium on a remaining  security,  based on the cost of
the security,  to the weighted  average  maturity  date, if such  information is
available,  or to the remaining  term of the security,  if the weighted  average
maturity date is not available,  or (ii) not to amortize the discount or premium
on a remaining security.

         For purposes of  computing  yield,  interest  income is  recognized  by
accruing  1/360 of the stated  interest  rate of each  obligation  in the Fund's
portfolio each day that the obligation is in the portfolio.  Expenses of a class
accrued during any base period, if any, pursuant to the respective  Distribution
Plan are included among the expenses accrued during the base period.

   
         The  Fund's  yield for the 30 days  ended June 30,  1998,  computed  in
 accordance  with the above  formula,  was  4.96% for Class A shares,  4.38% for
 Class B shares and 4.49% for Class C shares.
    

Standardized Average Annual Total Return Quotations

         The average  annual  total return  quotations  for a class of shares is
computed  by finding  the average  annual  compounded  rate of return that would
cause  a  hypothetical  investment  in the  class  made  on the  first  day of a
designated  period (assuming all dividends and  distributions are reinvested) to
equal the ending  redeemable value of such  hypothetical  investment on the last
day of the designated period in accordance with the following formula:

                  P(1+T)n  =   ERV

         Where:            P       =        a hypothetical initial payment of
                                            $1000, less the maximum sales load 
                                            of $45 for Class A shares or the
                                            deduction of the CDSC on Class B or
                                            Class C shares at the end of the
                                            period

                           T       =        average annual total return

                           n       =        number of years

                           ERV              = ending  redeemable  value
                                            of the  hypothetical  $1000
                                            initial payment made at the
                                            beginning of the designated
                                            period    (or    fractional
                                            portion thereof)

         For purposes of the above computation, it is assumed that all dividends
and distributions  made by the Fund are reinvested at net asset value during the
designated  period.  The average annual total return  quotation is determined to
the nearest 1/100 of 1%.

   
         In determining the average annual total return  (calculated as provided
above),  recurring fees, if any, that are charged to all shareholder accounts of
a particular class of shares are taken into consideration.  For any account fees
that vary with the size of the account, the account fee used for purposes of the
above  computation  is assumed to be the fee that would be charged to the Fund's
mean account size.

The total returns for each Class of shares of the Fund as of June 30, 1998,  are
as follows:
    

                                 Average Annual Total Return (%)
                  One Year     Five Years   Ten Years      Since Inception*
   
Class A Shares      5.06         5.21        7.87                8.86
Class B Shares      5.21         N/A         N/A                 6.26
Class C Shares      9.12         N/A         N/A                 4.94
    

* Inception  was October 31, 1978 for Class A shares and April 4, 1994 for Class
B shares. Class C Shares were first offered January 31, 1996.


<PAGE>



Automated Information Line

         FactFoneSM,   Pioneer's  24-hour  automated  information  line,  allows
shareholders   to  dial   toll-free   1-800-225-4321   and  hear  recorded  fund
information, including:

         o        net asset value prices for all Pioneer mutual funds;

         o        annualized 30-day yields on Pioneer's fixed income funds;

         o        annualized 7-day yields and 7-day effective (compound) yields
                  for Pioneer's money market fund; and

         o        dividends and capital gains distributions on all Pioneer
                  mutual funds.

         Yields are calculated in accordance with SEC mandated standard formulas
outlined earlier in this section.

         In  addition,  by  using  a  personal  identification  number  ("PIN"),
shareholders  may enter  purchases,  exchanges  and  redemptions,  access  their
account balance and last three transactions and may order a duplicate statement.
See "FactFoneSM" in the Prospectus for more information.

   
         All performance numbers  communicated through FactFoneSM represent past
performance  and include the maximum  applicable  sales charge.  A shareholder's
actual yield and total return will vary with  changing  market  conditions.  The
value of Class A, Class B and Class C shares  (except for Pioneer Cash  Reserves
Fund , which seeks to maintain a stable $1.00 share  price) will also vary,  and
may be worth more or less at redemption than their original cost.
    

17.      FINANCIAL STATEMENTS

   
         The  Fund's  Annual  Report,  filed  with the SEC on  August  25,  1998
(Accession No.  0000276776-98-000006),  is  incorporated  by reference into this
Statement of  Additional  Information.  The  financial  statements in the Fund's
Annual Report, including the financial highlights, for the period ended June 30,
1998,  included  or  incorporated  by  reference  into the  Prospectus  and this
Statement of Additional  Information,  have been audited by Arthur Andersen LLP,
independent public accountants, as indicated in their report with respect to the
financial statements,  and are included in reliance upon the authority of Arthur
Andersen LLP as experts in accounting and auditing in giving their report.
    



<PAGE>




                                   APPENDIX A
           DESCRIPTION OF SHORT-TERM DEBT AND CORPORATE BOND RATINGS1

MOODY'S INVESTORS SERVICE ("MOODY'S") SHORT-TERM PRIME RATING SYSTEM
- - TAXABLE DEBT AND DEPOSITS GLOBALLY

Moody's  short-term debt ratings are opinions of the ability of issuers to repay
punctually senior debt obligations.  These obligations have an original maturity
not exceeding one year, unless explicitly noted.

Moody's  employs the following three  designations,  all judged to be investment
grade, to indicate the relative repayment ability of rated issuers:

Prime-1:  Issuers rated  Prime-1 (or  supporting  institutions)  have a superior
ability for repayment of senior short-term debt  obligations.  Prime-1 repayment
ability will often be evidenced by many of the following characteristics:

         Leading market positions in well-established  industries. High rates of
         return on funds employed.
         Conservative  capitalization  structure with moderate  reliance on debt
         and ample asset protection. Broad margins in earnings coverage of fixed
         financial  charges and high internal cash generation.  Well-established
         access to a range of financial markets and assured sources of alternate
         liquidity.

Prime-2:  Issuers  rated  Prime-2  (or  supporting  institutions)  have a strong
ability for repayment of senior short-term debt obligations.  This will normally
be evidenced by many of the characteristics  cited above but to a lesser degree.
Earnings  trends  and  coverage  ratios,  while  sound,  may be more  subject to
variation. Capitalization characteristics,  while still appropriate, may be more
affected by external conditions. Ample alternate liquidity is maintained.

Prime-3:  Issuers rated Prime-3 (or supporting  institutions) have an acceptable
ability for repayment of senior short-term  obligations.  The effect of industry
characteristics and market  compositions may be more pronounced.  Variability in
earnings and profitability may result in changes in the level of debt protection
measurements  and may  require  relatively  high  financial  leverage.  Adequate
alternate liquidity is maintained.

Not Prime: Issuers rated Not Prime do not fall within any of the Prime rating
categories.

Obligations  of a branch of a bank are considered to be domiciled in the country
in which the branch is located. Unless noted as an exception,  Moody's rating on
a bank's ability to repay senior obligations extends only to branches located in
countries which carry a Moody's Sovereign Rating for Bank Deposits.  Such branch
obligations  are rated at the lower of the bank's  rating or  Moody's  Sovereign
Rating for Bank Deposits for the country in which the branch is located.

When the currency in which an obligation is  denominated  is not the same as the
currency of the country in which the obligation is domiciled, Moody's ratings do
not  incorporate  an  opinion as to whether  payment of the  obligation  will be
affected by actions of the government  controlling the currency of denomination.
In addition,  risks  associated with bilateral  conflicts  between an investor's
home  country  and either the  issuer's  home  country or the  country  where an
issuer's  branch is located are not  incorporated  into Moody's  short-term debt
ratings.

If an issuer  represents to Moody's that its  short-term  debt  obligations  are
supported by the credit of another entity or entities, then the name or names of
such supporting entity or entities are listed within the parenthesis beneath the
name of the issuer, or there is a footnote  referring the reader to another page
for the name or names of the supporting entity or entities. In assigning ratings
to such issuers,  Moody's  evaluates the  financial  strength of the  affiliated
corporations,  commercial banks,  insurance  companies,  foreign  governments or
other entities, but only as one factor in the total rating assessment.

MOODY'S CORPORATE BOND RATINGS

Aaa: Bonds which are rated Aaa are judged to be of the best quality.  They carry
the smallest  degree of investment  risk and are generally  referred to as "gilt
edge." Interest payments are protected by a large or by an exceptionally  stable
margin and principal is secure. While the various protective elements are likely
to change,  such changes as can be  visualized  are most  unlikely to impair the
fundamentally strong position of such issues.

Aa: Bonds which are rated Aa are judged to be of high quality by all  standards.
Together with the Aaa group they comprise what are generally known as high grade
bonds.  They are rated lower than the best bonds  because  margins of protection
may not be as large as in Aaa securities or  fluctuation of protective  elements
may be of greater  amplitude or there may be other  elements  present which make
the long term risks appear somewhat larger than in Aaa securities.

A: Bonds which are rated A possess many favorable investment  attributes and are
to be considered as upper-medium-grade  obligations.  Factors giving security to
principal  and interest  are  considered  adequate,  but elements may be present
which suggest a susceptibility to impairment sometime in the future.

Baa: Bonds which are rated Baa are considered as medium-grade obligations (i.e.,
they are neither highly  protected nor poorly  secured).  Interest  payments and
principal  security  appear  adequate  for the present  but  certain  protective
elements may be lacking or may be  characteristically  unreliable over any great
length of time. Such bonds lack outstanding  investment  characteristics  and in
fact have speculative characteristics as well.

Ba:  Bonds  which are rated Ba are judged to have  speculative  elements;  their
future cannot be considered  as well assured.  Often the  protection of interest
and  principal  payments may be very  moderate and thereby not well  safeguarded
during  both  good  and bad  times  over the  future.  Uncertainty  of  position
characterizes bonds in this class.

B: Bonds  which are rated B  generally  lack  characteristics  of the  desirable
investment.  Assurance of interest and principal  payments or of  maintenance of
other terms of the contract over any long period of time may be small.

Caa:  Bonds  which are rated Caa are of poor  standing.  Such  issues  may be in
default or there may be present  elements of danger with respect to principal or
interest.

Ca: Bonds which are rated Ca represent  obligations  which are  speculative in a
high degree. Such issues are often in default or have other marked shortcomings.

C: Bonds which are rated C are the lowest  rated  class of bonds,  and issues so
rated can be regarded as having  extremely  poor prospects of ever attaining any
real investment standing.

Note:  Moody's  applies  numerical  modifiers 1, 2 and 3 in each generic  rating
classification from Aa through Caa. The modifier 1 indicated that the obligation
ranks in the higher end of its generic rating category; the modifier 2 indicated
a mid-range ranking;  and the modifier 3 indicates a ranking in the lower end of
that generic rating category.

STANDARD & POOR'S RATINGS GROUP  ("STANDARD & POOR'S")  SHORT-TERM  ISSUE CREDIT
RATINGS

A-1: A  short-term  obligation  rated A-1 is rated in the  highest  category  by
Standard & Poor's.  The obligor's  capacity to meet its financial  commitment on
the  obligation  is  strong.  Within  this  category,  certain  obligations  are
designated  with a plus sign (+). This indicates that the obligor's  capacity to
meet its financial commitment on these obligations is extremely strong.

A-2: A  short-term  obligation  rated A-2 is somewhat  more  susceptible  to the
adverse  effects  of changes  in  circumstances  and  economic  conditions  than
obligations in higher rating categories. However, the obligor's capacity to meet
its financial commitment on the obligation is satisfactory.

A-3: A short-term obligation rated A-3 exhibits adequate protection  parameters.
However,  adverse economic conditions or changing  circumstances are more likely
to lead to a weakened  capacity of the obligor to meet its financial  commitment
on the obligation.

B: A short-term obligation rated B is regarded as having significant speculative
characteristics.  The obligor  currently  has the capacity to meet its financial
commitment on the  obligation;  however,  it faces major  ongoing  uncertainties
which could lead to the  obligor's  inadequate  capacity  to meet its  financial
commitment on the obligation.

C: A short-term  obligation rated C is currently vulnerable to nonpayment and is
dependent upon favorable  business,  financial,  and economic conditions for the
obligor to meet its financial commitment on the obligation.

D: A short-term  obligation rated D is in payment default. The D rating category
is used when payments on an obligation  are not made on the date due even if the
applicable grace period has not expired,  unless Standard & Poor's believes that
such payments  will be made during such grace period.  The D rating also will be
used upon the filing of a bankruptcy  petition or the taking of a similar action
if payments on an obligation are jeopardized.

STANDARD & POOR'S CORPORATE BOND RATINGS

AAA:  An  obligation  rated AAA has the  highest  rating  assigned by Standard &
Poor's.  The  obligor's  capacity  to  meet  its  financial  commitment  on  the
obligation is extremely strong.

AA: An obligation rated AA differs from the highest-rated  obligations only in a
small  degree.  The obligor's  capacity to meet its financial  commitment on the
obligation is very strong.

A: An obligation  rated A is somewhat more susceptible to the adverse effects of
changes  in   circumstances   and  economic   conditions  than   obligations  in
higher-rated  categories.  However, the obligor's capacity to meet its financial
commitment on the obligation is still strong.

BBB: An obligation rated BBB exhibits adequate protection  parameters.  However,
adverse economic conditions or changing circumstances are more likely to lead to
a weakened  capacity  of the  obligor to meet its  financial  commitment  on the
obligation.

Obligations  rated BB, B, CCC,  CC,  and C are  regarded  as having  significant
speculative characteristics.  BB indicates the least degree of speculation and C
the highest. While such obligations will likely have some quality and protective
characteristics,  these  may be  outweighed  by  large  uncertainties  or  major
exposures to adverse conditions.

BB:  An  obligation  rated  BB is  less  vulnerable  to  nonpayment  than  other
speculative issues. However, it faces major ongoing uncertainties or exposure to
adverse  business,  financial  or  economic  conditions  which could lead to the
obligor's capacity to meet its financial commitment on the obligation.

B: An obligation rated B is more vulnerable to nonpayment than obligations rated
BB, but the obligor currently has the capacity to meet its financial  commitment
on the obligation.  Adverse  business,  financial,  or economic  conditions will
likely  impair the  obligor's  capacity  or  willingness  to meet its  financial
commitment on the obligation.

CCC: An  obligation  rated CCC is  currently  vulnerable  to  nonpayment  and is
dependent upon  favorable  business,  financial and economic  conditions for the
obligor to meet its  financial  commitment  on the  obligation.  In the event of
adverse business, financial or economic conditions, the obligor is not likely to
have the capacity to meet its financial commitment on the obligation.

CC: An obligation rated CC is currently highly vulnerable to nonpayment.

C: The C rating may be used to cover a situation where a bankruptcy petition has
been filed or similar action has been taken, but payments on this obligation are
being continued.

D: An obligation  rated D is in payment  default.  The D rating category is used
when  payments  on an  obligation  are not  made  on the  date  due  even if the
applicable grace period has not expired,  unless Standard & Poor's believes that
such payments  will be made during such grace period.  The D rating also will be
used upon the filing of a bankruptcy  petition or the taking of a similar action
if payments are jeopardized.

PLUS (+) OR MINUS (-): The rating from AA to CCC may be modified by the addition
of a plus or minus sign to show relative standing within the major categories.

r: This  symbol is  attached  to the  ratings of  instruments  with  significant
noncredit  risks.  It  highlights  risks to principal or  volatility of expected
returns  which  are  not  addressed  in the  credit  rating.  Examples  include:
obligations  linked  or  indexed  to  equities,   currencies,   or  commodities;
obligations  exposed  to  severe  prepayment  risk,  such  as  interest-only  or
principal-only  mortgage  securities;   and  obligations  with  unusually  risky
interest terms, such as inverse floaters.
- -----------------
1 The  ratings  indicated  herein are  believed  to be the most  recent  ratings
available  at the  date of this  Statement  of  Additional  Information  for the
securities  listed.  Ratings are  generally  given to  securities at the time of
issuance.  While the rating  agencies may from time to time revise such ratings,
they  undertake  no  obligation  to do so,  and  the  ratings  indicated  do not
necessarily  represent  ratings  which will be given to these  securities on the
date of the Fund's fiscal year-end.




<PAGE>


                                   APPENDIX B
                             PERFORMANCE STATISTICS

                               Pioneer Bond Fund A
<TABLE>
<S>           <C>          <C>              <C>           <C>               <C> 


                Initial                     Sales Charge  Shares Purchased   Net Asset Value    Initial Net
     Date     Investment    Offering Price   Included                          Per Share       Asset Value

    6/30/87     $10,000         $9.65          4.50%         1036.269            $9.22            $9,550

</TABLE>
                     Dividends and Capital Gains Reinvested


                                 Value of Shares



                               From Cap. Gains From Dividends
       Date   From Investment    Reinvested     Reinvested      Total Value



   
      6/30/88      $9,368            $0            $871           $10,239
      6/30/89      $9,513            $0           $1,869          $11,382
      6/30/90      $9,243            $0           $2,848          $12,091
      6/30/91      $9,316            $0           $4,000          $13,316
      6/30/92      $9,710            $0           $5,341          $15,051
      6/30/93     $10,166            $0           $6,792          $16,958
      6/30/94      $9,368            $0           $7,376          $16,744
      6/30/95      $9,690            $0           $8,978          $18,668
      6/30/96      $9,409            $0           $10,008         $19,417
      6/30/97      $9,399            $0           $11,395         $20,794
      6/30/98      $9,710            $0           $13,172         $22,882
    


<PAGE>




                                                Pioneer Bond Fund B

<TABLE>
<S>               <C>                 <C>                  <C>              <C>                <C>

                     Initial                               Sales Charge     Shares Purchased   Net Asset Value    Initial Net
     Date          Investment         Offering Price         Included                             Per Share       Asset Value

    4/30/94          $10,000              $9.21                0.00%            1085.776            $9.21           $10,000

</TABLE>



                     Dividends and Capital Gains Reinvested


                                 Value of Shares



                                 From Cap. Gains   From Dividends
        Date   From Investment     Reinvested       Reinvested     Total Value


   
      6/30/94      $9,794              $0             $102           $9,896
      6/30/95     $10,109              $0             $833          $10,942
      6/30/96      $9,794              $0           $1,492          $11,286
      6/30/97      $9,804              $0           $2,186          $11,990
      6/30/98     $10,130              $0           $2,965          $13,095
 Value of shares if redeemed                                        $12,895
    



<PAGE>




                                                Pioneer Bond Fund C
<TABLE>
<S>               <C>                <C>                  <C>               <C>                <C> 


                     Initial                               Sales Charge     Shares Purchased   Net Asset Value    Initial Net
     Date          Investment         Offering Price         Included                             Per Share       Asset Value

    1/31/96          $10,000              $9.54                0.00%            1048.218            $9.54           $10,000
</TABLE>




                                      Dividends and Capital Gains Reinvested


                                                  Value of Shares

                                 From Cap. Gains   From Dividends
        Date     From Investment   Reinvested        Reinvested   Total Value


   
      6/30/96        $9,455          $0                 $245         $9,700
      6/30/97        $9,455          $0                 $839        $10,294
      6/30/98        $9,759          $0               $1,474        $11,233

Value of shares if redeemed                                         $11,233
    



<PAGE>


                             COMPARATIVE PERFORMANCE
                               INDEX DESCRIPTIONS
The following  securities  indices are well known,  unmanaged measures of market
performance. Advertisements and sales literature for the Fund may refer to these
indices or may present  comparisons  between the performance of the Fund and one
or more of the indices.  Other  indices may also be used,  if  appropriate.  The
indices are not  available  for direct  investment.  The data  presented are not
meant to be  indicative  of the  performance  of the Fund,  do not reflect  past
performance and do not guarantee future results.

S&P 500
This index is a readily available, carefully constructed,  market value weighted
benchmark of common stock  performance.  Currently,  the S&P 500 includes 500 of
the largest stocks (in terms of stock market value) in the U.S.

DOW JONES INDUSTRIAL AVERAGE
This is a total return index based on the  performance of stocks of 30 blue chip
companies widely held by individuals and institutional  investors. The 30 stocks
represent about a fifth of the $8 trillion-plus  market value of all U.S. stocks
and about a fourth of the value of stocks listed on the New York Stock  Exchange
(NYSE).

U.S. SMALL STOCK INDEX
This index is a market value  weighted  index of the ninth and tenth  deciles of
the NYSE, plus stocks listed on the American Stock Exchange and over the counter
with the  same or less  capitalization  as the  upper  bound  of the NYSE  ninth
decile.

U.S. INFLATION
The  Consumer  Price  Index  for All Urban  Consumers  (CPI-U),  not  seasonally
adjusted, is used to measure inflation,  which is the rate of change of consumer
goods prices.  Unfortunately,  the  inflation  rate as derived by the CPI is not
measured  over the same period as the other asset  returns.  All of the security
returns are measured  from one  month-end to the next  month-end.  CPI commodity
prices are collected during the month.  Thus,  measured  inflation rates lag the
other  series  by about  one-half  month.  Prior to  January  1978,  the CPI (as
compared with CPI-U) was used.  Both inflation  measures are  constructed by the
U.S. Department of Labor, Bureau of Labor Statistics, Washington, DC.

S&P/BARRA INDEXES
The S&P/BARRA Growth and Value Indexes are constructed by dividing the stocks in
the S&P 500 according to price-to-book  ratios. The Growth Index contains stocks
with higher price-to-book ratios, and the Value Index contains stocks with lower
price-to-book ratios. Both indexes are market capitalization weighted.

MERRILL LYNCH MICRO-CAP INDEX
The Merrill Lynch  Micro-Cap  Index  represents the  performance of 2,036 stocks
ranging in market capitalization from $50 million to $220 million. Index returns
are calculated monthly.

LONG-TERM U.S. GOVERNMENT BONDS
The total returns on long-term  government bonds after 1977 are constructed with
data from The Wall Street  Journal and are  calculated as the change in the flat
price or  and-interest  price.  From 1926 to 1976,  data are  obtained  from the
government  bond file at the Center for  Research  in  Security  Prices  (CRSP),
Graduate  School of  Business,  University  of  Chicago.  Each year,  a one-bond
portfolio with a term of approximately 20 years and a reasonably  current coupon
was used and whose  returns did not reflect  potential  tax  benefits,  impaired
negotiability or special redemption or call privileges. Where callable bonds had
to be  used,  the term of the bond was  assumed  to be a simple  average  of the
maturity  and first call dates minus the current  date.  The bond was "held" for
the calendar year and returns were computed.

INTERMEDIATE-TERM U.S. GOVERNMENT BONDS
Total returns of  intermediate-term  government  bonds after 1987 are calculated
from The Wall Street  Journal  prices,  using the change in flat price.  Returns
from 1934 to 1986 are obtained from the CRSP government bond file.

Each year,  one-bond  portfolios  are formed,  the bond  chosen is the  shortest
noncallable  bond with a  maturity  not less than five  years,  and this bond is
"held" for the calendar year. Monthly returns are computed. (Bonds with impaired
negotiability or special redemption  privileges are omitted, as are partially or
fully tax-exempt bonds starting with 1943.) From 1934 to 1942,  almost all bonds
with  maturities  near five years were  partially or fully  tax-exempt  and were
selected using the rules described above.  Personal tax rates were generally low
in that  period,  so that yields on  tax-exempt  bonds were similar to yields on
taxable bonds.  From 1926 to 1933, there are few bonds suitable for construction
of a series with a five-year  maturity.  For this period,  five-year  bond yield
estimates are used.

MORGAN STANLEY CAPITAL INTERNATIONAL ("MSCI")
These indices are in US dollar terms with gross dividends  reinvested.  MSCI All
Country  indices  represent  both the developed  and the emerging  markets for a
particular region. These indices are unmanaged.  The free indices exclude shares
which are not readily  purchased by non-local  investors.  MSCI's  international
indices are based on the share prices of approximately 1,700 companies listed on
stock  exchanges in the 22 countries  that make up the MSCI World Index.  MSCI's
emerging  market  indices are  comprised  of  approximately  1000 stocks from 26
countries.

Countries  in the MSCI EAFE Index are:  Australia,  Austria,  Belgium,  Denmark,
Finland,   France,   Germany,  Hong  Kong,  Ireland,   Italy,  Japan,  Malaysia,
Netherlands,  New Zealand,  Norway,  Singapore,  Spain, Sweden,  Switzerland and
United Kingdom.

Countries in the MSCI Emerging Markets Free Index are: Argentina, Brazil, Chile,
China Free, Czech Republic,  Colombia,  Greece,  Hungary, India, Indonesia Free,
Israel,  Jordan,  Korea (at 50%),  Malaysia Free, Mexico Free,  Pakistan,  Peru,
Philippines Free, Poland,  Portugal,  South Africa, Sri Lanka,  Taiwan (at 50%),
Thailand Free, Turkey and Venezuela.

MSCI All Country (AC) Asia Free ex Japan: This index is made up of the following
12 countries: China Free, Hong Kong, India, Indonesia Free, Korea @50%, Malaysia
Free,  Pakistan,  Philippines Free,  Singapore Free, Sri Lanka, Taiwan @50%, and
Thailand Free.

MSCI All Country (AC) Asia  Pacific Free ex Japan:  This index is made up of the
following 14 countries: Australia, China Free, Hong Kong, India, Indonesia Free,
Korea @50%, Malaysia Free, New Zealand,  Pakistan,  Philippines Free,  Singapore
Free, Sri Lanka, Taiwan @50%, and Thailand Free.


6-MONTH CDs
Data sources include the Federal Reserve Bulletin and The Wall Street Journal.

LONG-TERM U.S. CORPORATE BONDS
Since 1969, corporate bond total returns are represented by the Salomon Brothers
Long-Term  High-Grade  Corporate  Bond  Index.  As  most  large  corporate  bond
transactions  take place over the counter,  a major dealer is the natural source
of these data.  The index  includes  nearly all Aaa- and Aa-rated  bonds with at
least 10 years to maturity.  If a bond is downgraded  during a particular month,
its return for the month is included in the index before  removing the bond from
future portfolios.

From 1926 to 1968 the total  returns  were  calculated  by summing  the  capital
appreciation  returns  and the  income  returns.  For the  period  1946 to 1968,
Ibbotson and Sinquefield  backdated the Salomon  Brothers' index,  using Salomon
Brothers' monthly yield data with a methodology  similar to that used by Salomon
Brothers for 1969 to 1995.  Capital  appreciation  returns were  calculated from
yields  assuming (at the  beginning of each  monthly  holding  period) a 20-year
maturity,   a  bond   price   equal  to  par,   and  a   coupon   equal  to  the
beginning-of-period  yield.  For the  period  1926 to  1945,  Standard  & Poor's
monthly  high-grade  corporate  composite  yield data were  used,  assuming a 4%
coupon and a 20-year maturity.  The conventional  present-value formula for bond
price for the  beginning  and  end-of-month  prices was used.  (This  formula is
presented in Ross, Stephen A., and Westerfield,  Randolph W., Corporate Finance,
Times Mirror/Mosby,  St. Louis, 1990, p. 97 ["Level-Coupon Bonds"].) The monthly
income return was assumed to be one-twelfth the coupon.

U.S. (30-DAY) TREASURY BILLS
For the U.S.  Treasury  Bill Index,  data from The Wall Street  Journal are used
after 1977; the CRSP government bond file is the source until 1976. Each month a
one-bill  portfolio  containing the shortest-term  bill having not less than one
month to maturity is  constructed.  (The bill's original term to maturity is not
relevant.) To measure  holding  period returns for the one-bill  portfolio,  the
bill is priced as of the last  trading day of the previous  month-end  and as of
the last trading day of the current month.

NATIONAL ASSOCIATION OF REAL ESTATE INVESTMENT TRUSTS ("NAREIT")
EQUITY REIT INDEX
All of the data are  based  upon the last  closing  price of the  month  for all
tax-qualified  REITs  listed  on  the  NYSE,  AMEX  and  NASDAQ.  The  data  are
market-value-weighted.  Prior to 1987 REITs were added to the index the  January
following  their  listing.  Since 1987 newly formed or listed REITs are added to
the total  shares  outstanding  figure in the month that the shares are  issued.
Only  common  shares  issued by the REIT are  included  in the index.  The total
return  calculation  is based upon the weighting at the beginning of the period.
Only  those  REITs  listed for the  entire  period are used in the total  return
calculation.  Dividends are included in the month based upon their payment date.
There is no smoothing of income. Liquidating dividends, whether full or partial,
are treated as income.

RUSSELL U.S. EQUITY INDEXES
The Russell 3000(R) Index (the "Russell 3000") is comprised of the 3,000 largest
U.S. companies as determined by market capitalization representing approximately
98%  of  the  U.S.  equity  market.   The  average  market   capitalization   is
approximately $2.8 billion. The Russell 2500TM Index measures performance of the
2,500 smallest companies in the Russell 3000. The average market  capitalization
is  approximately  $733.4  million,  and the largest company in the index has an
approximate  market  capitalization  of $2.9 billion.  The Russell 2000(R) Index
measures  performance  of the 2,000  smallest  stocks in the Russell  3000;  the
largest company in the index has a market  capitalization of approximately  $1.1
billion. The Russell 1000(R) Index (the "Russell 1000") measures the performance
of the  1,000  largest  companies  in  the  Russell  3000.  The  average  market
capitalization is approximately $7.6 billion.  The smallest company in the index
has an approximate market  capitalization of $1.1 billion.  The Russell MidcapTM
Index measures  performance  of the 800 smallest  companies in the Russell 1000.
The largest  company in the index has an approximate  market  capitalization  of
$8.0 billion.

The  Russell  indexes are  reconstituted  annually as of July 1, based on May 31
market capitalization rankings.

WILSHIRE REAL ESTATE SECURITIES INDEX
The Wilshire Real Estate  Securities Index is a market  capitalization  weighted
index of 120 publicly traded real estate securities,  such as REITs, real estate
operating companies ("REOCs") and partnerships.

The index  contains  performance  data on five  major  categories  of  property:
office, retail,  industrial,  apartment and miscellaneous.  The companies in the
index are 91.66% equity and hybrid REITs and 8.33% REOCs.

STANDARD & POOR'S MIDCAP 400 INDEX
The S&P 400 is a market-capitalization-weighted  index. The performance data for
the index  were  calculated  by taking  the  stocks  presently  in the index and
tracking  them  backwards  in time as long as there  were  prices  reported.  No
attempt was made to determine  what stocks "might have been" in the S&P 400 five
or ten years ago had it existed.  Dividends  are  reinvested  on a monthly basis
prior to June 30, 1991, and are reinvested daily thereafter.

LIPPER BALANCED FUNDS INDEX
This index represents equally weighted  performance,  adjusted for capital gains
distributions  and income  dividends,  of  approximately 30 of the largest funds
with a primary  objective of conserving  principal by maintaining at all times a
balanced portfolio of stocks and bonds.  Typically,  the stock/bond ratio ranges
around 60%/40%.

BANK SAVINGS ACCOUNT
Data sources include the U.S. League of Savings Institutions Sourcebook; average
annual yield on savings  deposits in FSLIC [FDIC] insured  savings  institutions
for the years 1963 to 1987; and The Wall Street Journal thereafter.

Sources:  Ibbotson Associates,  Towers Data Systems, Lipper Analytical Services,
Inc. and PGI



<PAGE>
<TABLE>
<C>
                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<S>             <C>         <C>            <C>            <C>            <C>           <C>           <C>           
                               Dow                                        S&P/          S&P/
                 S&P          Jones        U.S. Small                    BARRA          BARRA        Merrill Lynch
                 500        Industrial        Stock         U.S.          500            500           Micro-Cap
                             Average          Index       Inflation      Growth         Value            Index
- ----------------------------------------------------------------------------------------------------------------------
Dec 1925         N/A           N/A             N/A           N/A          N/A            N/A              N/A
Dec 1926        11.62          N/A            0.28          -1.49         N/A            N/A              N/A
Dec 1927        37.49          N/A            22.10         -2.08         N/A            N/A              N/A
Dec 1928        43.61         55.38           39.69         -0.97         N/A            N/A              N/A
Dec 1929        -8.42         -13.64         -51.36         0.20          N/A            N/A              N/A
Dec 1930        -24.90        -30.22         -38.15         -6.03         N/A            N/A              N/A
Dec 1931        -43.34        -49.03         -49.75         -9.52         N/A            N/A              N/A
Dec 1932        -8.19         -16.88          -5.39        -10.30         N/A            N/A              N/A
Dec 1933        53.99         73.71          142.87         0.51          N/A            N/A              N/A
Dec 1934        -1.44          8.07           24.22         2.03          N/A            N/A              N/A
Dec 1935        47.67         43.77           40.19         2.99          N/A            N/A              N/A
Dec 1936        33.92         30.23           64.80         1.21          N/A            N/A              N/A
Dec 1937        -35.03        -28.88         -58.01         3.10          N/A            N/A              N/A
Dec 1938        31.12         33.16           32.80         -2.78         N/A            N/A              N/A
Dec 1939        -0.41          1.31           0.35          -0.48         N/A            N/A              N/A
Dec 1940        -9.78         -7.96           -5.16         0.96          N/A            N/A              N/A
Dec 1941        -11.59        -9.88           -9.00         9.72          N/A            N/A              N/A
Dec 1942        20.34         14.13           44.51         9.29          N/A            N/A              N/A
Dec 1943        25.90         19.06           88.37         3.16          N/A            N/A              N/A
Dec 1944        19.75         17.19           53.72         2.11          N/A            N/A              N/A
Dec 1945        36.44         31.60           73.61         2.25          N/A            N/A              N/A
Dec 1946        -8.07         -4.40          -11.63         18.16         N/A            N/A              N/A
Dec 1947         5.71          7.61           0.92          9.01          N/A            N/A              N/A
Dec 1948         5.50          4.27           -2.11         2.71          N/A            N/A              N/A
Dec 1949        18.79         20.92           19.75         -1.80         N/A            N/A              N/A
Dec 1950        31.71         26.40           38.75         5.79          N/A            N/A              N/A
Dec 1951        24.02         21.77           7.80          5.87          N/A            N/A              N/A
Dec 1952        18.37         14.58           3.03          0.88          N/A            N/A              N/A
Dec 1953        -0.99          2.02           -6.49         0.62          N/A            N/A              N/A
Dec 1954        52.62         51.25           60.58         -0.50         N/A            N/A              N/A
Dec 1955        31.56         26.58           20.44         0.37          N/A            N/A              N/A
Dec 1956         6.56          7.10           4.28          2.86          N/A            N/A              N/A
Dec 1957        -10.78        -8.63          -14.57         3.02          N/A            N/A              N/A
Dec 1958        43.36         39.31           64.89         1.76          N/A            N/A              N/A
Dec 1959        11.96         20.21           16.40         1.50          N/A            N/A              N/A
Dec 1960         0.47         -6.14           -3.29         1.48          N/A            N/A              N/A
Dec 1961        26.89         22.60           32.09         0.67          N/A            N/A              N/A
Dec 1962        -8.73         -7.43          -11.90         1.22          N/A            N/A              N/A
Dec 1963        22.80         20.83           23.57         1.65          N/A            N/A              N/A
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<S>             <C>         <C>            <C>            <C>          <C>             <C>            <C>                    
                               Dow                                        S&P/          S&P/
                 S&P          Jones        U.S. Small                  BARRA 500        BARRA        Merrill Lynch
                 500        Industrial        Stock         U.S.         Growth          500           Micro-Cap
                             Average          Index       Inflation                     Value            Index
- ----------------------------------------------------------------------------------------------------------------------
Dec 1964        16.48         18.85           23.52         1.19          N/A            N/A              N/A
Dec 1965        12.45         14.39           41.75         1.92          N/A            N/A              N/A
Dec 1966        -10.06        -15.78          -7.01         3.35          N/A            N/A              N/A
Dec 1967        23.98         19.16           83.57         3.04          N/A            N/A              N/A
Dec 1968        11.06          7.93           35.97         4.72          N/A            N/A              N/A
Dec 1969        -8.50         -11.78         -25.05         6.11          N/A            N/A              N/A
Dec 1970         4.01          9.21          -17.43         5.49          N/A            N/A              N/A
Dec 1971        14.31          9.83           16.50         3.36          N/A            N/A              N/A
Dec 1972        18.98         18.48           4.43          3.41          N/A            N/A              N/A
Dec 1973        -14.66        -13.28         -30.90         8.80          N/A            N/A              N/A
Dec 1974        -26.47        -23.58         -19.95         12.20         N/A            N/A              N/A
Dec 1975        37.20         44.75           52.82         7.01         31.72          43.38             N/A
Dec 1976        23.84         22.82           57.38         4.81         13.84          34.93             N/A
Dec 1977        -7.18         -12.84          25.38         6.77         -11.82         -2.57             N/A
Dec 1978         6.56          2.79           23.46         9.03          6.78          6.16             27.76
Dec 1979        18.44         10.55           43.46         13.31        15.72          21.16            43.18
Dec 1980        32.42         22.17           39.88         12.40        39.40          23.59            32.32
Dec 1981        -4.91         -3.57           13.88         8.94         -9.81          0.02              9.18
Dec 1982        21.41         27.11           28.01         3.87         22.03          21.04            33.62
Dec 1983        22.51         25.97           39.67         3.80         16.24          28.89            42.44
Dec 1984         6.27          1.31           -6.67         3.95          2.33          10.52            -14.97
Dec 1985        32.16         33.55           24.66         3.77         33.31          29.68            22.89
Dec 1986        18.47         27.10           6.85          1.13         14.50          21.67             3.45
Dec 1987         5.23          5.48           -9.30         4.41          6.50          3.68             -13.84
Dec 1988        16.81         16.14           22.87         4.42         11.95          21.67            22.76
Dec 1989        31.49         32.19           10.18         4.65         36.40          26.13             8.06
Dec 1990        -3.17         -0.56          -21.56         6.11          0.20          -6.85            -29.55
Dec 1991        30.55         24.19           44.63         3.06         38.37          22.56            57.44
Dec 1992         7.67          7.41           23.35         2.90          5.07          10.53            36.62
Dec 1993         9.99         16.94           20.98         2.75          1.68          18.60            31.32
Dec 1994         1.31          5.06           3.11          2.67          3.13          -0.64             1.81
Dec 1995        37.43         36.84           34.46         2.54         38.13          36.99            30.70
Dec 1996        23.07         28.84           17.62         3.32         23.96          21.99            13.88
Dec 1997        33.36         24.88           22.78         1.92         36.52          29.98            24.61
</TABLE>

<PAGE>
<TABLE>

                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<S>              <C>          <C>                <C>         <C>         <C>               <C>                        
                  Long-       Intermediate-      MSCI                      Long-
                  Term          Term U.S.        EAFE         6-         Term U.S.          U.S.
               U.S. Gov't      Government       (Net of      Month       Corporate         T-Bill
                  Bonds           Bonds         Taxes)        CDs          Bonds          (30-Day)
- ------------------------------------------------------------------------------------------------------
Dec 1925           N/A             N/A            N/A         N/A           N/A             N/A
Dec 1926          7.77            5.38            N/A         N/A           7.37            3.27
Dec 1927          8.93            4.52            N/A         N/A           7.44            3.12
Dec 1928          0.10            0.92            N/A         N/A           2.84            3.56
Dec 1929          3.42            6.01            N/A         N/A           3.27            4.75
Dec 1930          4.66            6.72            N/A         N/A           7.98            2.41
Dec 1931          -5.31           -2.32           N/A         N/A          -1.85            1.07
Dec 1932          16.84           8.81            N/A         N/A          10.82            0.96
Dec 1933          -0.07           1.83            N/A         N/A          10.38            0.30
Dec 1934          10.03           9.00            N/A         N/A          13.84            0.16
Dec 1935          4.98            7.01            N/A         N/A           9.61            0.17
Dec 1936          7.52            3.06            N/A         N/A           6.74            0.18
Dec 1937          0.23            1.56            N/A         N/A           2.75            0.31
Dec 1938          5.53            6.23            N/A         N/A           6.13           -0.02
Dec 1939          5.94            4.52            N/A         N/A           3.97            0.02
Dec 1940          6.09            2.96            N/A         N/A           3.39            0.00
Dec 1941          0.93            0.50            N/A         N/A           2.73            0.06
Dec 1942          3.22            1.94            N/A         N/A           2.60            0.27
Dec 1943          2.08            2.81            N/A         N/A           2.83            0.35
Dec 1944          2.81            1.80            N/A         N/A           4.73            0.33
Dec 1945          10.73           2.22            N/A         N/A           4.08            0.33
Dec 1946          -0.10           1.00            N/A         N/A           1.72            0.35
Dec 1947          -2.62           0.91            N/A         N/A          -2.34            0.50
Dec 1948          3.40            1.85            N/A         N/A           4.14            0.81
Dec 1949          6.45            2.32            N/A         N/A           3.31            1.10
Dec 1950          0.06            0.70            N/A         N/A           2.12            1.20
Dec 1951          -3.93           0.36            N/A         N/A          -2.69            1.49
Dec 1952          1.16            1.63            N/A         N/A           3.52            1.66
Dec 1953          3.64            3.23            N/A         N/A           3.41            1.82
Dec 1954          7.19            2.68            N/A         N/A           5.39            0.86
Dec 1955          -1.29           -0.65           N/A         N/A           0.48            1.57
Dec 1956          -5.59           -0.42           N/A         N/A          -6.81            2.46
Dec 1957          7.46            7.84            N/A         N/A           8.71            3.14
Dec 1958          -6.09           -1.29           N/A         N/A          -2.22            1.54
Dec 1959          -2.26           -0.39           N/A         N/A          -0.97            2.95
Dec 1960          13.78           11.76           N/A         N/A           9.07            2.66
</TABLE>

<PAGE>
<TABLE>
<CAPTION>

                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<S>             <C>           <C>               <C>          <C>         <C>              <C>               
                  Long-       Intermediate-      MSCI                      Long-
                  Term          Term U.S.        EAFE         6-         Term U.S.          U.S.
               U.S. Gov't      Government       (Net of      Month       Corporate         T-Bill
                  Bonds           Bonds         Taxes)        CDs          Bonds          (30-Day)
- ------------------------------------------------------------------------------------------------------
Dec 1961          0.97            1.85            N/A         N/A           4.82            2.13
Dec 1962          6.89            5.56            N/A         N/A           7.95            2.73
Dec 1963          1.21            1.64            N/A         N/A           2.19            3.12
Dec 1964          3.51            4.04            N/A        4.18           4.77            3.54
Dec 1965          0.71            1.02            N/A        4.68          -0.46            3.93
Dec 1966          3.65            4.69            N/A        5.76           0.20            4.76
Dec 1967          -9.18           1.01            N/A        5.48          -4.95            4.21
Dec 1968          -0.26           4.54            N/A        6.44           2.57            5.21
Dec 1969          -5.07           -0.74           N/A        8.71          -8.09            6.58
Dec 1970          12.11           16.86         -11.66       7.06          18.37            6.52
Dec 1971          13.23           8.72           29.59       5.36          11.01            4.39
Dec 1972          5.69            5.16           36.35       5.38           7.26            3.84
Dec 1973          -1.11           4.61          -14.92       8.60           1.14            6.93
Dec 1974          4.35            5.69          -23.16       10.20         -3.06            8.00
Dec 1975          9.20            7.83           35.39       6.51          14.64            5.80
Dec 1976          16.75           12.87          2.54        5.22          18.65            5.08
Dec 1977          -0.69           1.41           18.06       6.12           1.71            5.12
Dec 1978          -1.18           3.49           32.62       10.21         -0.07            7.18
Dec 1979          -1.23           4.09           4.75        11.90         -4.18           10.38
Dec 1980          -3.95           3.91           22.58       12.33         -2.76           11.24
Dec 1981          1.86            9.45           -2.28       15.50         -1.24           14.71
Dec 1982          40.36           29.10          -1.86       12.18         42.56           10.54
Dec 1983          0.65            7.41           23.69       9.65           6.26            8.80
Dec 1984          15.48           14.02          7.38        10.65         16.86            9.85
Dec 1985          30.97           20.33          56.16       7.82          30.09            7.72
Dec 1986          24.53           15.14          69.44       6.30          19.85            6.16
Dec 1987          -2.71           2.90           24.63       6.58          -0.27            5.47
Dec 1988          9.67            6.10           28.27       8.15          10.70            6.35
Dec 1989          18.11           13.29          10.54       8.27          16.23            8.37
Dec 1990          6.18            9.73          -23.45       7.85           6.78            7.81
Dec 1991          19.30           15.46          12.13       4.95          19.89            5.60
Dec 1992          8.05            7.19          -12.17       3.27           9.39            3.51
Dec 1993          18.24           11.24          32.56       2.88          13.19            2.90
Dec 1994          -7.77           -5.14          7.78        5.40          -5.76            3.90
Dec 1995          31.67           16.80          11.21       5.21          27.20            5.60
Dec 1996          -0.93           2.10           6.05        5.21           1.40            5.21
Dec 1997          15.85           8.38           1.78        5.71          12.95            5.26

</TABLE>
<PAGE>
<TABLE>
<CAPTION>

                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<S>              <C>           <C>         <C>             <C>           <C>              <C>              <C>                 
                 NAREIT                                                   Lipper           MSCI
                 Equity       Russell       Wilshire                     Balanced        Emerging           Bank
                  REIT         2000       Real Estate        S&P           Fund          Markets          Savings
                 Index         Index       Securities        400           Index        Free Index        Account
- -----------------------------------------------------------------------------------------------------------------------
Dec 1925          N/A           N/A           N/A            N/A            N/A            N/A              N/A
Dec 1926          N/A           N/A           N/A            N/A            N/A            N/A              N/A
Dec 1927          N/A           N/A           N/A            N/A            N/A            N/A              N/A
Dec 1928          N/A           N/A           N/A            N/A            N/A            N/A              N/A
Dec 1929          N/A           N/A           N/A            N/A            N/A            N/A              N/A
Dec 1930          N/A           N/A           N/A            N/A            N/A            N/A              5.30
Dec 1931          N/A           N/A           N/A            N/A            N/A            N/A              5.10
Dec 1932          N/A           N/A           N/A            N/A            N/A            N/A              4.10
Dec 1933          N/A           N/A           N/A            N/A            N/A            N/A              3.40
Dec 1934          N/A           N/A           N/A            N/A            N/A            N/A              3.50
Dec 1935          N/A           N/A           N/A            N/A            N/A            N/A              3.10
Dec 1936          N/A           N/A           N/A            N/A            N/A            N/A              3.20
Dec 1937          N/A           N/A           N/A            N/A            N/A            N/A              3.50
Dec 1938          N/A           N/A           N/A            N/A            N/A            N/A              3.50
Dec 1939          N/A           N/A           N/A            N/A            N/A            N/A              3.40
Dec 1940          N/A           N/A           N/A            N/A            N/A            N/A              3.30
Dec 1941          N/A           N/A           N/A            N/A            N/A            N/A              3.10
Dec 1942          N/A           N/A           N/A            N/A            N/A            N/A              3.00
Dec 1943          N/A           N/A           N/A            N/A            N/A            N/A              2.90
Dec 1944          N/A           N/A           N/A            N/A            N/A            N/A              2.80
Dec 1945          N/A           N/A           N/A            N/A            N/A            N/A              2.50
Dec 1946          N/A           N/A           N/A            N/A            N/A            N/A              2.20
Dec 1947          N/A           N/A           N/A            N/A            N/A            N/A              2.30
Dec 1948          N/A           N/A           N/A            N/A            N/A            N/A              2.30
Dec 1949          N/A           N/A           N/A            N/A            N/A            N/A              2.40
Dec 1950          N/A           N/A           N/A            N/A            N/A            N/A              2.50
Dec 1951          N/A           N/A           N/A            N/A            N/A            N/A              2.60
Dec 1952          N/A           N/A           N/A            N/A            N/A            N/A              2.70
Dec 1953          N/A           N/A           N/A            N/A            N/A            N/A              2.80
Dec 1954          N/A           N/A           N/A            N/A            N/A            N/A              2.90
Dec 1955          N/A           N/A           N/A            N/A            N/A            N/A              2.90
Dec 1956          N/A           N/A           N/A            N/A            N/A            N/A              3.00
Dec 1957          N/A           N/A           N/A            N/A            N/A            N/A              3.30
Dec 1958          N/A           N/A           N/A            N/A            N/A            N/A              3.38
Dec 1959          N/A           N/A           N/A            N/A            N/A            N/A              3.53
Dec 1960          N/A           N/A           N/A            N/A           5.77            N/A              3.86
Dec 1961          N/A           N/A           N/A            N/A           20.59           N/A              3.90

</TABLE>
<PAGE>
<TABLE>
<CAPTION>
                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<S>              <C>          <C>         <C>               <C>          <C>             <C>               <C>               
                 NAREIT                                                   Lipper           MSCI
                 Equity       Russell       Wilshire                     Balanced        Emerging           Bank
                  REIT         2000       Real Estate        S&P           Fund          Markets          Savings
                 Index         Index       Securities        400           Index        Free Index        Account
- -----------------------------------------------------------------------------------------------------------------------
Dec 1962          N/A           N/A           N/A            N/A           -6.80           N/A              4.08
Dec 1963          N/A           N/A           N/A            N/A           13.10           N/A              4.17
Dec 1964          N/A           N/A           N/A            N/A           12.36           N/A              4.19
Dec 1965          N/A           N/A           N/A            N/A           9.80            N/A              4.23
Dec 1966          N/A           N/A           N/A            N/A           -5.86           N/A              4.45
Dec 1967          N/A           N/A           N/A            N/A           15.09           N/A              4.67
Dec 1968          N/A           N/A           N/A            N/A           13.97           N/A              4.68
Dec 1969          N/A           N/A           N/A            N/A           -9.01           N/A              4.80
Dec 1970          N/A           N/A           N/A            N/A           5.62            N/A              5.14
Dec 1971          N/A           N/A           N/A            N/A           13.90           N/A              5.30
Dec 1972          8.01          N/A           N/A            N/A           11.13           N/A              5.37
Dec 1973         -15.52         N/A           N/A            N/A          -12.24           N/A              5.51
Dec 1974         -21.40         N/A           N/A            N/A          -18.71           N/A              5.96
Dec 1975         19.30          N/A           N/A            N/A           27.10           N/A              6.21
Dec 1976         47.59          N/A           N/A            N/A           26.03           N/A              6.23
Dec 1977         22.42          N/A           N/A            N/A           -0.72           N/A              6.39
Dec 1978         10.34          N/A          13.04           N/A           4.80            N/A              6.56
Dec 1979         35.86         43.09         70.81           N/A           14.67           N/A              7.29
Dec 1980         24.37         38.58         22.08           N/A           19.70           N/A              8.78
Dec 1981          6.00         2.03           7.18           N/A           1.86            N/A             10.71
Dec 1982         21.60         24.95         24.47          22.68          30.63           N/A             11.19
Dec 1983         30.64         29.13         27.61          26.10          17.44           N/A              9.71
Dec 1984         20.93         -7.30         20.64           1.18          7.46            N/A              9.92
Dec 1985         19.10         31.05         22.20          35.58          29.83           N/A              9.02
Dec 1986         19.16         5.68          20.30          16.21          18.43           N/A              7.84
Dec 1987         -3.64         -8.77         -7.86          -2.03          4.13            N/A              6.92
Dec 1988         13.49         24.89         24.18          20.87          11.18          40.43             7.20
Dec 1989          8.84         16.24          2.37          35.54          19.70          64.96             7.91
Dec 1990         -15.35       -19.51         -33.46         -5.12          0.66           -10.55            7.80
Dec 1991         35.70         46.05         20.03          50.10          25.83          59.91             4.61
Dec 1992         14.59         18.41          7.36          11.91          7.46           11.40             2.89
Dec 1993         19.65         18.91         15.24          13.96          11.95          74.83             2.73
Dec 1994          3.17         -1.82          1.64          -3.57          -2.05          -7.32             4.96
Dec 1995         15.27         28.44         13.65          30.94          24.89          -5.21             5.24
Dec 1996         35.26         16.49         36.87          19.20          13.01           6.03             4.95
Dec 1997         20.29         22.36         19.80          32.26          20.05          -11.59            5.17

</TABLE>

<PAGE>
<TABLE>
<CAPTION>

                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<S>           <C>                       <C> 

               MSCI All Country (AC)    MSCI All Country
                Asia Free ex Japan      (AC) Asia Pacific
                                          Free ex Japan
- ------------------------------------------------------------
Dec 1925                N/A                    N/A
Dec 1926                N/A                    N/A
Dec 1927                N/A                    N/A
Dec 1928                N/A                    N/A
Dec 1929                N/A                    N/A
Dec 1930                N/A                    N/A
Dec 1931                N/A                    N/A
Dec 1932                N/A                    N/A
Dec 1933                N/A                    N/A
Dec 1934                N/A                    N/A
Dec 1935                N/A                    N/A
Dec 1936                N/A                    N/A
Dec 1937                N/A                    N/A
Dec 1938                N/A                    N/A
Dec 1939                N/A                    N/A
Dec 1940                N/A                    N/A
Dec 1941                N/A                    N/A
Dec 1942                N/A                    N/A
Dec 1943                N/A                    N/A
Dec 1944                N/A                    N/A
Dec 1945                N/A                    N/A
Dec 1946                N/A                    N/A
Dec 1947                N/A                    N/A
Dec 1948                N/A                    N/A
Dec 1949                N/A                    N/A
Dec 1950                N/A                    N/A
Dec 1951                N/A                    N/A
Dec 1952                N/A                    N/A
Dec 1953                N/A                    N/A
Dec 1954                N/A                    N/A
Dec 1955                N/A                    N/A
Dec 1956                N/A                    N/A
Dec 1957                N/A                    N/A
Dec 1958                N/A                    N/A
Dec 1959                N/A                    N/A
Dec 1960                N/A                    N/A
Dec 1961                N/A                    N/A

</TABLE>
<PAGE>
<TABLE>
<CAPTION>

                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<S>           <C>                        <C> 
               MSCI All Country (AC)    MSCI All Country
                Asia Free ex Japan      (AC) Asia Pacific
                                          Free ex Japan
- ------------------------------------------------------------
Dec 1962                N/A                    N/A
Dec 1963                N/A                    N/A
Dec 1964                N/A                    N/A
Dec 1965                N/A                    N/A
Dec 1966                N/A                    N/A
Dec 1967                N/A                    N/A
Dec 1968                N/A                    N/A
Dec 1969                N/A                    N/A
Dec 1970                N/A                    N/A
Dec 1971                N/A                    N/A
Dec 1972                N/A                    N/A
Dec 1973                N/A                    N/A
Dec 1974                N/A                    N/A
Dec 1975                N/A                    N/A
Dec 1976                N/A                    N/A
Dec 1977                N/A                    N/A
Dec 1978                N/A                    N/A
Dec 1979                N/A                    N/A
Dec 1980                N/A                    N/A
Dec 1981                N/A                    N/A
Dec 1982                N/A                    N/A
Dec 1983                N/A                    N/A
Dec 1984                N/A                    N/A
Dec 1985                N/A                    N/A
Dec 1986                N/A                    N/A
Dec 1987                N/A                    N/A
Dec 1988               30.00                  30.45
Dec 1989               32.13                  21.43
Dec 1990               -6.54                 -11.86
Dec 1991               30.98                  32.40
Dec 1992               21.81                  9.88
Dec 1993              103.39                  84.94
Dec 1994              -16.94                 -12.59
Dec 1995               4.00                   10.00
Dec 1996               10.05                  8.08
Dec 1997              -40.31                 -34.20

Source:  Lipper Analytical Services. Inc

</TABLE>
<PAGE>



                                   APPENDIX C

                            OTHER PIONEER INFORMATION

         The  Pioneer  group of mutual  funds was  established  in 1928 with the
creation  of Pioneer  Fund.  Pioneer  is one of the oldest and most  experienced
money managers in the United States.

         As of December 31, 1997, PMC employed a professional  investment  staff
of 58, with a combined average of 12 years' experience in the financial services
industry.

         Total assets of all Pioneer  mutual  funds at December  31, 1997,  were
approximately $19.8 billion representing 1,177,148 shareholder accounts, 791,468
non-retirement accounts and 385,680 retirement accounts.

- --------


                 

                                PIONEER BOND FUND

                            PART C. OTHER INFORMATION

   
Item 24.  Financial Statements and Exhibits


                  (a)      Financial Statements:

                           The financial  highlights of the  Registrant  for the
                           fiscal year ended June 30, 1998 are  included in Part
                           A of the  Registration  Statement  and the  financial
                           statements  of the  Registrant  are  incorporated  by
                           reference into Part B of the  Registration  Statement
                           from the 1998 Annual Report to  Shareholders  for the
                           year ended June 30,  1998  (filed  electronically  on
                           August 25, 1998 file no. 811-02864; accession number 
                           0000276776-98-000006).
    
                  (b)      Exhibits:

                           1.       Amended and Restated Declaration of Trust**
                           1.1.     Establishment and Designation of Classes**
                           2.       Amended and Restated By-Laws**
                           3.       None
                           4.       Specimen Stock Certificate**
                           5.       Management Contract between Registrant 
                                    and Pioneering Management Corporation**
                           6.1.     Form of Underwriting Agreement***
                           6.2.     Form of Dealer Sales Agreement**
                           7.       None
                           8.       Custodian Agreement with Brown Brothers 
                                    Harriman & Co.**
                           9.       Investment Company Service Agreement*
                           10.      Opinion of Counsel**
                           11.      Consent of Arthur Andersen LLP
                           12.      None
                           13.      None
                           14.      None
                           15.      Class A Rule 12b-1 Distribution Plan**
                           15.1.    Form of Class B Rule 12b-1
                                         Distribution Plan***
                           15.2.    Class C Rule 12b-1 Distribution Plan*
                           16.      Description of Average Annual Total Return 
                                    and Yield Calculation**
                           17.      Financial Data Schedules***
                           18.      Rule 18f-3 Plan*
                           19.      Powers of Attorney**
                           19.1     Power of Attorney for Mary K. Bush***
                          

*  Incorporated  by reference  from the exhibits  filed by the  Registrant  with
Post-Effective Amendment No. 24 to its Registration Statement on Form N-1A (file
No.  2-62436)(the  "Registration  Statement")  filed  with  the  Securities  and
Exchange Commission on August 30, 1996 (accession number  0000950146-96-001526).
**  Incorporated  by reference from the exhibits  filed by the  Registrant  with
Post-Effective Amendment No. 23 to the Registration Statement (file No. 2-62436)
filed with the Securities and Exchange Commission on October 27, 1995 (accession
number 0000276776-95-000016).
***  Filed herewith.

Item 25. Persons Controlled By or Under Common Control With Registrant

     No person is controlled by the  Registrant.  A common control  relationship
could exist from a management  perspective because the Chairman and President of
the Registrant owns  approximately 14% of the outstanding  shares of The Pioneer
Group,  Inc. (PGI), the parent company of the Registrant's  investment  adviser,
and certain  Trustees or officers of the Registrant  (i) hold similar  positions
with  other  investment  companies  advised  by PGI and  (ii) are  directors  or
officers of PGI and/or its direct or indirect subsidiaries.  The following lists
all U.S. and the principal  non-U.S.  subsidiaries  of PGI and those  registered
investment companies with a common or similar Board of Trustees advised by PGI.

                                        OWNED BY    PERCENT    STATE/COUNTRY OF
               COMPANY                             OF SHARES     INCORPORATION
   
Pioneering Management Corp. (PMC)          PGI        100%        DE
Pioneer Funds Distributor, Inc. (PFD)      PMC        100%        MA
Pioneer Explorer, Inc. (PEI)               PMC        100%        DE
Pioneer Fonds Marketing GmbH (GmbH)        PFD        100%        Germany
Pioneer Forest, Inc. (PFI)                 PGI        100%        DE
CJSC "Forest-Starma" (Forest-Starma)       PFI        95%         Russia
Pioneer Metals and Technology, Inc. (PMT)  PGI        100%        DE
Pioneer Capital Corp. (PCC)                PGI        100%        DE
Pioneer SBIC Corp.                         PCC        100%        MA
Pioneer Real Estate Advisors, Inc. (PREA)  PGI        100%        DE
Pioneer Management (Ireland) Ltd. (PMIL)   PGI        100%        Ireland
Pioneer Plans Corporation (PPC)            PGI        100%        DE
PIOGlobal Corp. (PIOGlobal)                PGI        100%        DE
Pioneer Investments Corp. (PIC)            PGI        100%        MA
Pioneer Goldfields Holdings, Inc. (PGH)    PGI        100%        DE
Pioneer Goldfields Ltd. (PGL)              PGH        100%        Guernsey
Teberebie Goldfields Ltd. (TGL)            PGL        90%         Ghana
Pioneer Omega, Inc. (Omega)                PGI        100%        DE

    

                                      C-2

<PAGE>

   
Pioneer First Russia, Inc. (First Russia)  Omega      81.65%      DE
Pioneering Services Corp. (PSC)            PGI        100%        MA
Pioneer International Corp. (PIntl)        PGI        100%        DE
Pioneer First Polish Investment
Fund JSC, S.A. (First Polish)              PIntl      100%        Poland
Pioneer Czech Investment Company, A.S.
(Pioneer Czech)                            PIntl      100%        Czech Republic

Registered investment companies that are parties to management contracts with
PMC:

                                             BUSINESS
 FUND                                         TRUST

Pioneer International Growth Fund               MA
Pioneer World Equity Fund                       DE
Pioneer Europe Fund                             MA
Pioneer Emerging Markets Fund                   DE
Pioneer Indo-Asia                               DE
Pioneer Capital Growth Fund                     DE
Pioneer Equity-Income Fund                      DE
Pioneer Gold Shares                             DE
Pioneer Mid-Cap Fund                            DE
Pioneer Growth Shares                           DE
Pioneer Small Company Fund                      DE
Pioneer Independence Fund                       DE
Pioneer Fund                                    DE
Pioneer II                                      DE
Pioneer Real Estate Shares                      DE
Pioneer Short-Term Income Fund                  MA
Pioneer America Income Trust                    MA
Pioneer Bond Fund                               MA
Pioneer Balanced Fund                           DE
Pioneer Intermediate Tax-Free Fund              MA
Pioneer Tax-Free Income Fund                    DE
Pioneer Money Market Trust                      DE
Pioneer Variable Contracts Trust                DE
Pioneer Interest Shares                         DE
Pioneer Micro-Cap Fund                          DE

     The  following  table  lists  John  F.  Cogan,  Jr.'s  positions  with  the
investment  companies,  PGI and  principal  direct or indirect PGI  subsidiaries
referenced above and the Registrant's counsel.

                                              TRUSTEE/
         ENTITY        CHAIRMAN   PRESIDENT   DIRECTOR   OTHER

Pioneer mutual
funds                     X           X          X
PGL                       X           X          X
PGI                       X           X          X
PPC                                   X          X
PIC                                   X          X    

                                      C-3


<PAGE>

   
PIntl                                 X          X
PMT                                   X          X
Omega                                 X          X
PIOGlobal                             X          X
First Russia                          X          X
PCC                                              X
PSC                                              X
PMIL                                             X
PEI                                              X
PFI                                              X
PREA                                             X
Forest-Starma                                    X
PMC                       X                      X
PFD                       X                      X
TGL                       X                      X
First Polish                                             Chairman of Supervisory
                                                         Board
GmbH                                                     Chairman of Supervisory
                                                         Board
Pioneer Czech                                            Chairman of Supervisory
                                                         Board
Hale and Dorr LLP                                        Partner
    
Item 26.  Number of Holders of Securities

         The following table sets forth the approximate  number of recordholders
of each class of securities of the Registrant as of September 30, 1997:

                             Class A    Class B   Class C

   
   Number of Record Holders: 5,194      1,331     322
    


Item 27. Indemnification

         Except for the Amended and Restated Declaration of Trust dated December
7, 1993 establishing the Registrant as a Trust under Massachusetts law, there is
no  contract,   arrangement  or  statute  under  which  any  director,  officer,
underwriter or affiliated  person of the  Registrant is insured or  indemnified.
The Declaration of Trust provides that no Trustee or officer will be indemnified
against any  liability  of which the  Registrant  would  otherwise be subject by
reason of or for willful  misfeasance,  bad faith,  gross negligence or reckless
disregard of such person's duties.


Item 28. Business and Other Connections of Investment Adviser

         All of the  information  required by this item is set forth in the Form
ADV, as amended, of Pioneering Management Corporation. The following sections of
such Form ADV are incorporated herein by reference:

         (a)      Items 1 and 2 of Part 2;

         (b)      Section IV, Business Background, of each Schedule D.

Item 29. Principal Underwriter

                  (a)      See Item 25 above.

                  (b)      Directors and Officers of PFD:

                   
                       Positions and Offices    Positions and Offices
Name                   with Underwriter         with Registrant
- ----                   ----------------         ---------------
   
John F. Cogan, Jr.     Director and Chairman        Chairman of the Board,
                                                    President and Trustee

Robert L. Butler       Director and President       None

David D. Tripple       Director                     Executive Vice President and
                                                    Trustee

Steven M. Graziano     Senior Vice President        None

Stephen W. Long        Senior Vice President        None

Barry G. Knight        Vice President               None

William A. Misata      Vice President               None

Anne W. Patenaude      Vice President               None

Elizabeth B. Bennett   Vice President               None

Gail A. Smyth          Vice President               None

Constance D. Spiros    Vice President               None

Marcy L. Supovitz      Vice President               None

Mary Kleeman           Vice President               None

Steven R. Berke        Assistant Vice President     None

Steven H. Forss        Assistant Vice President     None    

                                      C-5


<PAGE>

   
Mary Sue Hoban         Assistant Vice President     None

Debra A. Levine        Assistant Vice President     None

Junior Roy McFarland   Assistant Vice President     None

Marie E. Moynihan      Assistant Vice President     None

William H. Keough      Treasurer                    Treasurer

Roy P. Rossi           Assistant Treasurer          None

Joseph P. Barri        Clerk                        Secretary

Robert P. Nault        Assistant Clerk              Assistant Secretary
    
The principle business address of each of these individuals is 60 State Street,
Boston, Massachusetts 02109-1820.

         (c)      Not applicable.

Item 30. Location of Accounts and Records

                  The accounts and records are  maintained  at the  Registrant's
office at 60 State Street, Boston, Massachusetts 02109; contact the Treasurer.


Item 31. Management Services

          Not Applicable

Item 32. Undertakings

                  The  Registrant  hereby  undertakes  to deliver or cause to be
delivered with the Prospectus,  to each person to whom the Prospectus is sent or
given, a copy of the Registrant's  report to shareholders  furnished pursuant to
and meeting the requirements of Rule 30d-1 from which the specified  information
is incorporated by reference,  unless such person  currently holds securities of
the Registrant  and otherwise has received a copy of such report,  in which case
the  Registrant  shall state in the  Prospectus  that it will  furnish,  without
charge,  a copy of such report on request,  and the name,  address and telephone
number of the person to whom such a request should be directed.



<PAGE>

                                   SIGNATURES
   

     Pursuant  to  the  requirements  of the  Securities  Act of  1933  and  the
Investment  Company Act of 1940, the  Registrant  certifies that it meets all of
the requirements for effectiveness of this post-effective  amendment no. 26 (the
"Amendment")  to its  Registration  Statement  pursuant to Rule 485(b) under the
Securities  Act of 1933 and has duly  caused the  Amendment  to be signed on its
behalf by the undersigned,  thereto duly  authorized,  in the City of Boston and
The Commonwealth of Massachusetts, on the  26th day of October, 1998.

                                               PIONEER BOND FUND


                                               By:/s/John F. Cogan, Jr
                                                  John F. Cogan, Jr.
                                                  President

Pursuant to the requirements of the Securities Act of 1933, this  Post-Effective
Amendment  No. 26 to the  Registration  Statement of Pioneer Bond Fund (File No.
2-62436) has been signed below by the following persons in the capacities and on
the dates indicated:
<PAGE>

    


         Title and Signature                               Date

Principal Executive Officer:                                  )
                                                              )
                                                              )
John F. Cogan, Jr.*                                           )
- ------------------------------
John F. Cogan, Jr., President                                 )
                                                              )
                                                              )
Principal Financial and                                       )
Accounting Officer:                                           )
                                                              )
                                                              )
William H. Keough*                                            )
William H. Keough, Treasurer                                  )
                                                              )
                                                              )
Trustees:                                                     )
                                                              )
John F. Cogan, Jr.*                                           )
John F. Cogan, Jr.                                            )
                                                              )
                                                              )
Richard H. Egdahl, M.D.*                                      )
Richard H. Egdahl, M.D.                                       )
                                                              )
                                                              )
Margaret B. W. Graham*                                        )
Margaret B. W. Graham                                         )
                                                              )
                                                              )
John W. Kendrick*                                             )
John W. Kendrick                                              )
                                                              )
                                                              )
Marguerite A. Piret*                                          )
Marguerite A. Piret                                           )
                                                              )
                                                              )
David D. Tripple*                                             )
David D. Tripple                                              )
                                                              )
                                                              )
Stephen K. West*                                              )
Stephen K. West                                               )
                                                              )
                                                              )
John Winthrop*                                                )
John Winthrop                                                 )

- ---------



   
*By  /s/John F. Cogan, Jr.                                    October 26, 1998
     ----------------------
     John F. Cogan, Jr.
     Attorney-in-fact
    



<PAGE>

                                  Exhibit Index



Exhibit
Number            Document Title

 6.1              Form of Underwriting Agreement

11.               Consent of Arthur Andersen LLP

15.2              Form of Class B 12b-1 Distribution Plan

17.               Financial Data Schedules (filed as Exhibit 27)

19.1              Power of Attorney for Mary K. Bush


               FORM OF AMENDED AND RESTATED UNDERWRITING AGREEMENT


         THIS  UNDERWRITING  AGREEMENT,  dated  this 10th day of July,  1997 and
amended  and  restated  as of the 30th day of  September  1998,  by and  between
Pioneer Bond Fund, a Massachusetts  business trust ("Trust"),  and Pioneer Funds
Distributor, Inc., a Massachusetts corporation (the "Underwriter")


                                   WITNESSETH

         WHEREAS,   the  Trust  is  registered  as  an  open-end,   diversified,
management  investment  company  under the  Investment  Company Act of 1940,  as
amended  (the  "1940  Act"),  and  has  filed  a  registration   statement  (the
"Registration  Statement")  with the  Securities  and Exchange  Commission  (the
"Commission") for the purpose of registering  shares of beneficial  interest for
public offering under the Securities Act of 1933, as amended;

         WHEREAS, the Underwriter engages in the purchase and sale of securities
both as a broker  and a dealer and is  registered  as a  broker-dealer  with the
Commission  and is a member in good  standing  of the  National  Association  of
Securities Dealers, Inc. (the "NASD");

         WHEREAS,  the parties  hereto deem it  mutually  advantageous  that the
Underwriter should act as Principal Underwriter, as defined in the 1940 Act, for
the sale to the public of the shares of  beneficial  interest of the  securities
portfolio of each series of the Trust which the Trustees may establish from time
to time (individually, a "Portfolio" and collectively, the "Portfolios"); and

         NOW,  THEREFORE,  in consideration of the mutual covenants and benefits
set forth herein, the Trust and the Underwriter do hereby agree as follows:

1. The Trust hereby grants to the  Underwriter  the right and option to purchase
shares of beneficial  interest of each class of each Portfolio of the Trust (the
"Shares")  for sale to investors  either  directly or  indirectly  through other
broker-dealers. The Underwriter is not required to purchase any specified number
of Shares,  but will purchase from the Trust only a sufficient  number of Shares
as may be necessary to fill  unconditional  orders received from time to time by
the Underwriter from investors and dealers.

2. The  Underwriter  shall offer Shares to the public at an offering price based
upon the net asset  value of the  Shares,  to be  calculated  for each  class of
shares as described in the  Registration  Statement,  including the  Prospectus,
filed with the Commission and in effect at the time of the offering,  plus sales
charges as  approved  by the  Underwriter  and the  Trustees of the Trust and as
further outlined in the Trust's Prospectus.  The offering price shall be subject
to any  provisions  set forth in the  Prospectus  from time to time with respect
thereto,  including,  without  limitation,  rights of  accumulation,  letters of
intent,  exchangeability of shares,  reinstatement  privileges,  net asset value
purchases by certain  persons and  reinvestments  of dividends  and capital gain
distributions.

3. In the case of all Shares sold to investors through other  broker-dealers,  a
portion of applicable sales charges will be reallowed to such broker-dealers who
are  members  of the NASD or, in the case of  certain  sales by banks or certain
sales to foreign nationals,  to brokers or dealers exempt from registration with
the Commission. The concession reallowed to broker-dealers shall be set forth in
a written sales  agreement  and shall be generally  the same for  broker-dealers
providing comparable levels of sales and service.

4. This Agreement  shall  terminate on any  anniversary  hereof if its terms and
renewal have not been  approved by a majority  vote of the Trustees of the Trust
voting in person,  including a majority of its Trustees who are not  "interested
persons" of the Trust and who have no direct or indirect  financial  interest in
the operation of the  Underwriting  Agreement (the "Qualified  Trustees"),  at a
meeting of  Trustees  called for the  purpose of voting on such  approval.  This
Agreement may also be terminated at any time, without payment of any penalty, by
the Trust or 60 days' written notice to the  Underwriter,  or by the Underwriter
upon similar  notice to the Trust.  This  Agreement  may also be terminated by a
party upon five (5) days'  written  notice to the other  party in the event that
the  Commission  has issued an order or  obtained an  injunction  or other court
order suspending effectiveness of the Registration Statement covering the Shares
of the Trust.  Finally,  this Agreement may also be terminated by the Trust upon
five  (5)  days'  written  notice  to the  Underwriter  provided  either  of the
following  events has  occurred:  (i) the NASD has expelled the  Underwriter  or
suspended  its  membership  in that  organization;  or (ii)  the  qualification,
registration, license or right of the Underwriter to sell Shares in a particular
state has been  suspended  or  cancelled in a state in which sales of the Shares
during the most recent  12-month  period  exceeded 10% of all Shares held by the
Underwriter during such period.

5.  The  compensation  for  the  services  of  the  Underwriter  as a  principal
underwriter under this Agreement shall be:

         With  respect to Class A Shares (i) that part of the sales charge which
         is retained by the Underwriter  after allowance of discounts to dealers
         as set forth, if required, in the Registration Statement, including the
         Prospectus,  filed with the Commission and in effect at the time of the
         offering, as amended, and (ii) those amounts payable to the Underwriter
         as  reimbursement of expenses  pursuant to any distribution  plan which
         may be in effect.

         With respect to Class B Shares (i) the Underwriter's  Allocable Portion
         (as defined in Section 9) of the Distribution Fee, if any, payable from
         time to time to the Underwriter  under the Trust's Class B Distribution
         Plan and (ii) the contingent deferred sales charge payable with respect
         to Class B Shares  sold  through  the  Underwriter  as set forth in the
         Registration  Statement,  including  the  Prospectus,  filed  with  the
         Commission  and in  effect  at the  time of the  sale  of such  Class B
         Shares.

         With  respect  to  Class C Shares  (i) the  Distribution  Fee,  if any,
         payable from time to time to the Underwriter  under the Trust's Class C
         Distribution Plan and (ii) the contingent deferred sales charge payable
         with  respect to Class C Shares  sold  through the  Underwriter  as set
         forth in the Registration  Statement,  including the Prospectus,  filed
         with the Commission and in effect at the time of the sale of such Class
         C Shares.

         With respect to Class Y Shares,  the Underwriter  shall not be entitled
to any compensation.

         With respect to any future class of shares,  the  Underwriter  shall be
         entitled to such  consideration as the Trust and the Underwriter  shall
         agree at the time such class of Shares is established.

Notwithstanding anything to the contrary herein, subsequent to the issuance of a
Class B Share  the Trust  agrees  not take any  action  to waive or  change  any
contingent deferred sales charge (including,  without  limitation,  by change in
the rules  applicable  to  conversion  of Class B Shares into another  class) in
respect of such Class B Shares, except (i) as provided in the Trust's Prospectus
or Statement of Additional  Information in effect on September 30, 1998, or (ii)
as  required  by a  change  in the  1940  Act  and  the  rules  and  regulations
thereunder,  the  Conduct  Rules  of the  NASD  or any  order  of any  court  or
governmental  agency  enacted,  issued or promulgated  after September 30, 1998.
Neither the termination of the  Underwriter's  role as principal  underwriter of
the Class B Shares nor the  termination of this Agreement nor the termination or
modification of the Class B Distribution  Plan shall terminate the Underwriter's
right to the  contingent  deferred  sales  charge with respect to Class B Shares
sold through said  Underwriter  or Class B Shares issued through one or a series
of exchanges of shares of another  investment  company for which the Underwriter
acts as  principal  underwriter,  in each case with respect to Class B Shares or
their  predecessors  initially  issued prior to such termination or modification
("Pre-Amendment Class B Shares").  Except as provided in the preceding sentences
and  notwithstanding  any  other  provisions  of the  Agreement  or the  Class B
Distribution Plan, the Underwriter's entitlement to its Allocable Portion of the
contingent  deferred sales charges payable in respect of the Pre-Amendment Class
B Shares  shall be  absolute  and  unconditional  and  shall not be  subject  to
dispute,  offset,  counterclaim  or any  defense  whatsoever,  at law or equity,
including,  without limitation,  any of the foregoing based on the insolvency or
bankruptcy of such Underwriter.

6.  Notwithstanding  anything to the contrary set forth in the Distribution Plan
or this  Agreement,  the Trust  agrees to comply with  respect to  Pre-Amendment
Shares with the provision of Sections  1(b),  (d), (g) and (h) and Section 4 and
Section 6 of the  Trust's  Amended and  Restated  Class B  Distribution  Plan as
thought such provision were set forth in this Agreement.

7. Nothing  contained herein shall relieve the Trust of any obligation under its
management contract or any other contract with any affiliate of the Underwriter.

8.  Notwithstanding   anything  to  the  contrary  set  forth  in  the  Class  B
Distribution Plan or this Agreement the Trust  acknowledges that the Underwriter
may assign, sell or pledge (collectively, "Transfer") its rights to Distribution
Fees and contingent  deferred sales charges with respect to Class B Shares. Upon
receipt  of  notice of such  Transfer,  the  Trust  shall  pay to the  assignee,
purchaser  or  pledgee   (collectively   with  their   subsequent   transferees,
"Transferees"),  as third party beneficiaries,  such portion of the Distribution
Fees and  contingent  deferred  sales  charges  payable  to the  Underwriter  as
provided  in  written  instructions  (the  "Allocation  Instructions")  from the
Underwriter to the Trust and shall pay the balance,  if any, to the Underwriter.
In the absence of Allocation  Instructions,  the Trust shall have no obligations
to a Transferee.

9. Payments of the Distribution  Fee and contingent  deferred sales charges with
respect to Class B Shares shall be  allocated  between the  Underwriter  (or its
Transferee) and such co- or successor principal  underwriter (each an "Allocable
Portion"), as provided in the Allocation Procedures attached hereto.

10. The parties to this  Agreement  acknowledge  and agree that all  liabilities
arising  hereunder,  whether  direct  or  indirect,  of any  nature  whatsoever,
including  without  limitation,  liabilities  arising  in  connection  with  any
agreement of the Trustor its Trustees as set forth herein to indemnify any party
to this  Agreement or any other  person,  if any,  shall be satisfied out of the
assets of the Trust and that no  Trustee,  officer or holder of shares  shall be
personally  liable for any of the foregoing  liabilities.  The Trust's Agreement
and Declaration of Trust describes in detail the respective responsibilities and
limitations on liability of the Trustees, officers, and holders of Shares.

10. This Agreement shall automatically  terminate in the event of its assignment
(as that term is defined in the 1940 Act).

11. In the event of any dispute  between the parties,  this  Agreement  shall be
construed according to the laws of The Commonwealth of Massachusetts.


<PAGE>



         IN WITNESS  WHEREOF,  the parties hereto have caused this instrument to
be  executed  by their duly  authorized  officers  and their  seals to be hereto
affixed as of the day and year first above written.

ATTEST:                                PIONEER BOND FUND




                                       By:
Joseph P. Barri                            John F. Cogan, Jr.
Secretary                                  President


ATTEST:                                PIONEER FUNDS DISTRIBUTOR, INC.



                                       By:
Joseph P. Barri
Clerk                                     President



                    Consent of Independent Public Accountants


To the Shareholders and Trustees of
Pioneer Bond Fund:


As independent public accountants, we hereby consent to the use of our report on
Pioneer  Bond Fund  dated  August 7,  1998 (and to all  references  to our Firm)
included in or made a part of Pioneer Bond Fund's  Post-Effective  Amendment No.
26 and  Amendment  No.  25 to  Registration  Statement  File  Nos.  2-62436  and
811-02864, respectively.


                                                /s/ARTHUR ANDERSEN LLP

                                                   ARTHUR ANDERSEN LLP




Boston, Massachusetts
October 23, 1998


              AMENDED AND RESTATED CLASS B SHARES DISTRIBUTION PLAN

                                 [NAME OF FUND]


         CLASS B SHARES  DISTRIBUTION  PLAN, dated as of __________ __, 199_ and
amended   and    restated   as   of    September    30,    1998,    of   Pioneer
________________________, a ____________ business trust (the "Trust")

                                   WITNESSETH

         WHEREAS,   the  Trust  is  engaged  in   business   as  an   open-end[,
diversified,]   management  investment  company  and  is  registered  under  the
Investment  Company  Act of 1940,  as amended  (collectively  with the rules and
regulations promulgated thereunder, the "1940 Act");

         WHEREAS,  the Trust intends to distribute shares of beneficial interest
(the "Class B Shares") of the Trust in accordance with Rule 12b-1 promulgated by
the Securities and Exchange  Commission  under the 1940 Act ("Rule 12b-1"),  and
desires to adopt this Class B Shares distribution plan (the "Class B Plan") as a
plan of distribution pursuant to such Rule;

         WHEREAS,  the Trust  desires that Pioneer  Funds  Distributor,  Inc., a
Massachusetts  corporation  ("PFD")  or such other  persons as may be  appointed
principal  underwriter from time to time, provide certain distribution  services
for the Trust's Class B Shares in connection  with the Class B Plan (PFD and any
successor  principal  underwriter  of the Trust's shares being referred to as an
"Underwriter");

         WHEREAS,  the Trust has entered into an  underwriting  agreement  (in a
form  approved by the Trust's  Board of Trustees in a manner  specified  in Rule
12b-1) with the  Underwriter,  whereby the Underwriter  provides  facilities and
personnel and renders  services to the Trust in connection with the offering and
distribution of Class B Shares (the "Underwriting Agreement");

         WHEREAS,  the Trust also recognizes and agrees that (a) the Underwriter
may retain the services of firms or individuals to act as dealers or wholesalers
(collectively,  the  "Dealers")  of the  Class B Shares in  connection  with the
offering of Class B Shares,  (b) the  Underwriter may compensate any Dealer that
sells  Class B Shares in the  manner and at the rate or rates to be set forth in
an agreement between the Underwriter and such Dealer and (c) the Underwriter may
make such payments to the Dealers for distribution  services out of the fee paid
to  the  Underwriter  hereunder,  any  deferred  sales  charges  imposed  by the
Underwriter in connection with the repurchase of Class B Shares,  its profits or
any other source available to it;


<PAGE>


         WHEREAS,  the Trust  recognizes  and agrees  that the  Underwriter  may
impose certain deferred sales charges in connection with the repurchase of Class
B Shares by the Trust,  and the  Underwriter  may retain  (or  receive  from the
Trust, as the case may be) all such deferred sales charges; and

         WHEREAS, the Board of Trustees of the Trust, in considering whether the
Trust  should  adopt  and  implement  this  Class B  Plan,  has  evaluated  such
information  as it deemed  necessary to an informed  determination  whether this
Class B Plan should be adopted and implemented and has considered such pertinent
factors as it deemed necessary to form the basis for a decision to use assets of
the Trust for such  purposes,  and has  determined  that  there is a  reasonable
likelihood  that the  adoption  and  implementation  of this  Class B Plan  will
benefit the Trust and its Class B shareholders;

         NOW,  THEREFORE,  the Board of Trustees of the Trust hereby adopts this
Class B Plan for the  Trust  as a plan of  distribution  of  Class B  Shares  in
accordance with Rule 12b-1, on the following terms and conditions:

         1.       (a) The Trust is authorized to compensate the  Underwriter for
                  (1)  distribution   services  and  (2)  personal  and  account
                  maintenance  services  performed and expenses  incurred by the
                  Underwriter  in  connection  with the Trust's  Class B Shares.
                  Such  compensation  shall be calculated  and accrued daily and
                  paid  monthly  or at such  other  intervals  as the  Board  of
                  Trustees may determine.

                           (b)  The  amount  of  compensation   payable  to  the
                  Underwriter during any one year for distribution services with
                  respect to Class B Shares shall be its  Allocable  Portion (as
                  defined in Section  14 below) of .75% of the  Trust's  average
                  daily net assets  attributable to Class B Shares for such year
                  (the  "Distribution  Fee").  Notwithstanding  anything  to the
                  contrary   set  forth  in  this   Distribution   Plan  or  any
                  Underwriting  Agreement,  the  Distribution  Fee  shall not be
                  terminated or modified  (including a modification by change in
                  the rules  relating to the  conversion  of Class B Shares into
                  Class A Shares of the  Trust)  with  respect to Class B Shares
                  (or the  assets  of the  Trust  attributable  to such  Class B
                  Shares) either (x) issued prior to the date of any termination
                  or modification  or (y)  attributable to Class B Shares issued
                  through  one or a series of  exchanges  of  shares of  another
                  investment company for which the Underwriter acts as principal
                  underwriter  which were initially  issued prior to the date of
                  such  termination or  modification or (z) issued as a dividend
                  or  distribution  upon  Class B  Shares  initially  issued  or
                  attributable to Class B Shares issued prior to the date of any
                  such termination or modification (the  "Pre-Amendment  Class B
                  Shares") except:

                           (i)  to  the  extent  required  by a  change  in  the
                           Investment Company 1940 Act, the rules or regulations
                           under  the Act,  the  Conduct  Rules of the  National
                           Association of Securities Dealers, Inc. (the "NASD"),
                           or an order of any court or governmental  agency,  in
                           each  case  enacted,   issued  or  promulgated  after
                           September 30, 1998,

                           (ii) in connection  with a "Complete  Termination" of
                           this Plan.  For  purposes  of this Plan,  a "Complete
                           Termination"  shall have  occurred  if: (x) this Plan
                           and the  distribution  plan for Class B Shares of any
                           successor   trust  or  fund  or  any  trust  or  fund
                           acquiring  substantially  all  of the  assets  of the
                           Trust   (collectively,   the  "Affected   Funds")  is
                           terminated  with respect to all Class B Shares of the
                           Trust  and each  Affected  Fund then  outstanding  or
                           subsequently  issued, (y) the payment by the Trust of
                           Distribution  Fees with respect to all Class B Shares
                           of the Trust and each Affected Fund is terminated and
                           (z)   neither  the  Trust  nor  any   Affected   Fund
                           establishes  concurrently  with or subsequent to such
                           termination  of this  Plan  another  class of  shares
                           which has substantially  similar  characteristics  to
                           the  current  Class B Shares of the Trust,  including
                           the  manner  of  payment  and  amount  of  contingent
                           deferred  sales charge paid directly or indirectly by
                           the holders of such  shares  (all of such  classes of
                           shares "Class B Shares"), or

                           (iii)  on  a  basis,   determined  by  the  Board  of
                           Trustees,  including  a  majority  of  the  Qualified
                           Trustees  (as  hereinafter  defined),  acting in good
                           faith,  so long as from and after the effective  date
                           of such modification or termination:  (x) neither (1)
                           the  Trust,   (2)  any  Affected  Fund  nor  (3)  the
                           investment  advisor or any other  sponsor  entity (or
                           their  affiliates)  of the Trust or any Affected Fund
                           pay, directly or indirectly, a fee, a trailer fee, or
                           expense reimbursement to any person for the provision
                           of personal and account maintenance services (as such
                           terms is used in the  Conduct  Rules of the  NASD) to
                           the  holder  of  Class B Shares  of the  Trust or any
                           Affected  Fund (but the  forgoing  shall not  prevent
                           payments   for  transfer   agency  or   subaccounting
                           services), and (y) the termination or modification of
                           the  Distribution  Fee applies  with equal  effect to
                           both Pre-Amendment  Class B Shares and Post-Amendment
                           Class B Shares (as defined in Section 7)  outstanding
                           from  time  to  time of the  Trust  and all  Affected
                           Funds.
  
                          (c)  Distribution  services and expenses for which an
                  Underwriter may be compensated  pursuant to this Plan include,
                  without  limitation:  compensation to and expenses  (including
                  allocable  overhead,  travel and  telephone  expenses)  of (i)
                  Dealers, brokers and other dealers who are members of the NASD
                  or their officers,  sales representatives and employees,  (ii)
                  the  Underwriter  and any of its  affiliates  and any of their
                  respective  officers,  sales  representatives  and  employees,
                  (iii)  banks and their  officers,  sales  representatives  and
                  employees,  who  engage  in or  support  distribution  of  the
                  Trust's Class B Shares;  printing of reports and  prospectuses
                  for  other  than  existing   shareholders;   and  preparation,
                  printing and  distribution of sales literature and advertising
                  materials.

                           (d) The Underwriter shall be deemed to have performed
                  all services  required to be performed in order to be entitled
                  to receive its Allocable  Portion of the Distribution  Fee, if
                  any,  payable with respect to Class B Shares sold through such
                  Underwriter upon the settlement date of the sale of such Class
                  B Shares or in the case of Class B Shares  issued  through one
                  or a series  of  exchanges  of shares  of  another  investment
                  company   for  which  the   Underwriter   acts  as   principal
                  underwriter or issued as a dividend or distribution upon Class
                  B  Shares,  on the  settlement  date  of the  first  sale on a
                  commission  basis of a Class B Share  from  which such Class B
                  share  was  derived.   The  Trust's   obligation   to  pay  an
                  Underwriter  its Allocable  Portion of the  Distribution  Fees
                  payable in respect of the Class B Shares shall be absolute and
                  unconditional  and shall not be  subject to  dispute,  offset,
                  counterclaim  or any  defense  whatsoever,  at law or  equity,
                  including,  without limitation,  any of the foregoing based on
                  the  insolvency  or  bankruptcy  of  such   Underwriter.   The
                  foregoing  provisions of this Section 1(d) shall not limit the
                  rights of the Trust to modify or terminate payments under this
                  Class B Plan as  provided  in  Section  1(b) with  respect  to
                  Pre-Amendment  Class B Shares  or  Section 7 with  respect  to
                  Post-Amendment Class B Shares.

                           (e) The amount of  compensation  paid  during any one
                  year  for  personal  and  account  maintenance   services  and
                  expenses  (the  "Service  Fee")  shall be .25% of the  Trust's
                  average  daily net assets  attributable  to Class B Shares for
                  such year.  As partial  consideration  for  personal  services
                  and/or   account   maintenance   services   provided   by  the
                  Underwriter to the Class B Shares,  the  Underwriter  shall be
                  entitled  to be paid any fees  payable  under this  clause (e)
                  with  respect  to Class B Shares for which no dealer of record
                  exists,  where less than all  consideration has been paid to a
                  dealer  of record or where  qualification  standards  have not
                  been met.

                           (f)  Personal  and account  maintenance  services for
                  which  the  Underwriter  or any of its  affiliates,  banks  or
                  Dealers  may be  compensated  pursuant  to this Plan  include,
                  without  limitation:  payments  made to or on  account  of the
                  Underwriter or any of its affiliates, banks, other brokers and
                  dealers who are members of the NASD, or their officers,  sales
                  representatives  and  employees,  who respond to inquiries of,
                  and  furnish  assistance  to,  shareholders   regarding  their
                  ownership  of Class B Shares or their  accounts or who provide
                  similar services not otherwise provided by or on behalf of the
                  Trust.

                           (g) The Underwriter may impose certain deferred sales
                  charges in connection with the repurchase of Class B Shares by
                  the Trust and the  Underwriter may retain (or receive from the
                  Trust as the case may be) all such deferred sales charges.

                           (h)  The  Trust  has   agreed  in  the   Underwriting
                  Agreement to certain  restrictions  on the Trust's  ability to
                  modify or waive certain terms of the Trust's Class B Shares or
                  the   contingent   deferred   sales  charge  with  respect  to
                  Pre-Amendment Class B Shares.

                           (i) Appropriate adjustments to payments made pursuant
                  to  clauses  (b)  and (d) of this  paragraph  1 shall  be made
                  whenever  necessary  to ensure  that no payment is made by the
                  Trust in excess of the applicable maximum cap imposed on asset
                  based, front-end and deferred sales charges by Section 2830(d)
                  the Conduct Rules of the NASD.

         2. The Trust  understands  that agreements  between the Underwriter and
Dealers may provide for payment of fees to Dealers in  connection  with the sale
of Class B Shares and the  provision of services to  shareholders  of the Trust.
Nothing in this Class B Plan shall be construed  as requiring  the Trust to make
any payment to any Dealer or to have any obligations to any Dealer in connection
with services as a dealer of the Class B Shares. The Underwriter shall agree and
undertake that any agreement entered into between the Underwriter and any Dealer
shall  provide  that  such  Dealer  shall  look  solely to the  Underwriter  for
compensation for its services  thereunder and that in no event shall such Dealer
seek any payment from the Trust.

         3.  Notwithstanding  anything to the contrary in this Distribution Plan
or any  Underwriting  Agreement,  the  Underwriter  may  assign,  sell or pledge
(collectively,   "Transfer")  its  rights  to  its  Allocable   Portion  of  any
Distribution Fees under this Plan. Upon receipt of notice of such Transfer,  the
Trust shall pay to the assignee,  purchaser or pledgee  (collectively with their
subsequent  transferees,  "Transferees"),  as  third-party  beneficiaries,  such
portion of the  Distribution  Fees  payable to the  Underwriter  as  provided in
written  instructions (the "Allocation  Instructions")  from the Underwriter and
said  Transferee to the Trust.  In the absence of Allocation  Instructions,  the
Trust shall have no obligations to a Transferee.

         4.  Nothing  herein  contained  shall be deemed to require the Trust to
take any action contrary to its [Agreement and]  Declaration of Trust, as it may
be amended or restated from time to time, or By-Laws or any applicable statutory
or regulatory  requirement to which it is subject or by which it is bound, or to
relieve or deprive the Trust's Board of Trustees of the  responsibility  for and
control of the conduct of the  affairs of the Trust;  it being  understood  that
actions taken  pursuant to Section 1(b) shall not be  considered  such an action
described above.

         5. This Class B Plan shall  become  effective  upon  approval  by (i) a
"majority of the outstanding  voting securities" of Class B of the Trust, (ii) a
vote of the Board of  Trustees,  and (iii) a vote of a majority of the  Trustees
who are not "interested persons" of the Trust and who have no direct or indirect
financial  interest in the  operation  of the Class B Plan or in any  agreements
related to the Class B Plan (the "Qualified Trustees"),  such votes with respect
to (ii) and (iii) above to be cast in person at a meeting called for the purpose
of voting on this Class B Plan.

         6. All of the terms of this Distribution  Plan, as amended and restated
as of September 30, 1998, are intended to apply in respect of all  Pre-Amendment
Class B Shares and to the  Distribution  Fees payable in respect of any thereof.
This  Class B Plan  will  remain  in  effect  indefinitely,  provided  that such
continuance  is  "specifically  approved at least  annually" by a vote of both a
majority of the Trustees of the Trust and a majority of the Qualified  Trustees.
If such annual  approval is not obtained,  this Class B Plan shall expire on the
annual  anniversary  of the  adoption  of this  Plan  following  the  last  such
approval.

         7. Subject to the  limitation set forth in Section 1(b) with respect to
Pre-Amendment  Class B shares,  this  Class B Plan may be amended at any time by
the  Board  of  Trustees  with  respect  to  Class  B  Shares  (and  the  assets
attributable to such Class B Shares) which are not Pre-Amendment  Class B Shares
("Post-Amendment  Class B Shares");  PROVIDED  that this Class B Plan may not be
amended to increase  materially  the  limitations  on the annual  percentage  of
average net assets  which may be  expended  hereunder  without  the  approval of
holders of a "majority of the outstanding  voting  securities" of Class B of the
Trust and may not be materially amended in any case without a vote of a majority
of both  the  Trustees  and the  Qualified  Trustees.  This  Class B Plan may be
terminated at any time,  subject to Section 1(b), by a vote of a majority of the
Qualified Trustees or by a vote of the holders of a "majority of the outstanding
voting securities" of Class B of the Trust.

         8. The Trust and the Underwriter  shall provide to the Trust's Board of
Trustees,  and the Board of Trustees shall review, at least quarterly, a written
report of the  amounts  expended  under this Class B Plan and the  purposes  for
which such expenditures were made.

         9. While this Class B Plan is in effect,  the selection and  nomination
of Qualified  Trustees  shall be committed to the discretion of the Trustees who
are not "interested persons" of the Trust.

         10.  For the  purposes  of this  Class B Plan,  the  terms  "interested
persons,"  "majority of the outstanding  voting  securities"  and  "specifically
approved at least annually" are used as defined in the 1940 Act.

         11. The Trust  shall  preserve  copies of this  Class B Plan,  and each
agreement  related  hereto and each  report  referred  to in  Paragraph 7 hereof
(collectively,  the "Records"), for a period of not less than six (6) years from
the end of the fiscal year in which such  Records were made and, for a period of
two (2) years, each of such Records shall be kept in an easily accessible place.

         12. This Class B Plan shall be construed in accordance with the laws of
The Commonwealth of Massachusetts and the applicable provisions of the 1940 Act.

         13. If any provision of this Class B Plan shall be held or made invalid
by a court decision,  statute,  rule or otherwise,  the remainder of the Class B
Plan shall not be affected thereby.

         14. Payments under this Class B Plan shall be allocated between PFD and
any successor  Underwriter or  co-Underwriter  (each an Underwriter's  Allocable
Portion) as provided in the Allocation Procedures appended hereto.



                             [Allocation Procedures]






                          PIONEER EMERGING MARKETS FUND
                               PIONEER EUROPE FUND
                              PIONEER GROWTH TRUST
                               PIONEER INDIA FUND
                        PIONEER INTERNATIONAL GROWTH FUND
                            PIONEER WORLD EQUITY FUND
                              PIONEER GROWTH SHARES
                              PIONEER MID-CAP FUND
                           PIONEER SMALL COMPANY FUND
                             PIONEER MICRO-CAP FUND
                              PIONEER BALANCED FUND
                                  PIONEER FUND
                                   PIONEER II
                           PIONEER REAL ESTATE SHARES
                          PIONEER AMERICA INCOME TRUST
                                PIONEER BOND FUND
                         PIONEER SHORT TERM INCOME TRUST
                       PIONEER INTERMEDIATE TAX-FREE FUND
                           PIONEER MONEY MARKET TRUST


                                POWER OF ATTORNEY

                              Dated October 7, 1997

         I,  the  undersigned  Trustee  of each of the  above-listed  registered
investment  companies  (each  a  "Fund"),  each a  Delaware  or a  Massachusetts
business  trust, do hereby  constitute and appoint John F. Cogan,  Jr., David D.
Tripple,  and Joseph P. Barri,  and each of them acting  singly,  to be my true,
sufficient  and lawful  attorneys,  with full power to each of them, and each of
them  acting  singly,  to sign for me, in my name and in my capacity as trustee,
any and all amendments to the Registration Statement on Form N-1A to be filed by
each Fund under the Investment Company Act of 1940, as amended (the "1940 Act"),
and under the Securities Act of 1933, as amended (the "1933 Act"),  with respect
to the  offering  of its  shares of  beneficial  interest  and any and all other
documents and papers relating thereto, and generally to do all such things in my
name and on my behalf in my  capacity  as trustee to enable  each Fund to comply
with the 1940 Act and the 1933 Act, and all  requirements  of the Securities and
Exchange Commission thereunder,  hereby ratifying and confirming my signature as
it may be signed by said  attorneys or each of them to any and all amendments to
said Registration Statement.

         IN WITNESS WHEREOF,  I have hereunder set my hand on this Instrument as
of the date first written above.


 
                                                /s/ Mary K. Bush

                                                Mary K. Bush, Trustee


 

<TABLE> <S> <C>

<ARTICLE> 6
<SERIES>
   <NUMBER> 001
   <NAME> PIONEER BOND FUND CLASS A
              
<S>                             <C>
<PERIOD-TYPE>                  YEAR
<FISCAL-YEAR-END>                          JUN-30-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                        144337900
<INVESTMENTS-AT-VALUE>                       150971968
<RECEIVABLES>                                  3723652
<ASSETS-OTHER>                                     568
<OTHER-ITEMS-ASSETS>                               721
<TOTAL-ASSETS>                               154696909
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       968375
<TOTAL-LIABILITIES>                             968375
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     151800225
<SHARES-COMMON-STOCK>                         12202078
<SHARES-COMMON-PRIOR>                         10841529
<ACCUMULATED-NII-CURRENT>                        15047
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                       4720806
<ACCUM-APPREC-OR-DEPREC>                       6634068
<NET-ASSETS>                                 153728534
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                             10473251
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 1886710
<NET-INVESTMENT-INCOME>                        8586541
<REALIZED-GAINS-CURRENT>                       (27677)
<APPREC-INCREASE-CURRENT>                      4226062
<NET-CHANGE-FROM-OPS>                         12784926
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      6776551
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        4618197
<NUMBER-OF-SHARES-REDEEMED>                    3811048
<SHARES-REINVESTED>                             553400
<NET-CHANGE-IN-ASSETS>                        30726201
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                     4684384
<GROSS-ADVISORY-FEES>                           696789
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                1894886
<AVERAGE-NET-ASSETS>                         107015265
<PER-SHARE-NAV-BEGIN>                             9.07
<PER-SHARE-NII>                                    .59
<PER-SHARE-GAIN-APPREC>                            .30
<PER-SHARE-DIVIDEND>                               .59
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.37
<EXPENSE-RATIO>                                   1.18
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<SERIES>
   <NUMBER> 002
   <NAME> PIONEER BOND FUND CLASS B
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          JUN-30-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                        144337900
<INVESTMENTS-AT-VALUE>                       150971968
<RECEIVABLES>                                  3723652
<ASSETS-OTHER>                                     568
<OTHER-ITEMS-ASSETS>                               721
<TOTAL-ASSETS>                               154696909
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       968375
<TOTAL-LIABILITIES>                             968375
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     151800225
<SHARES-COMMON-STOCK>                          3311042
<SHARES-COMMON-PRIOR>                          2226405
<ACCUMULATED-NII-CURRENT>                        15047
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                       4720806
<ACCUM-APPREC-OR-DEPREC>                       6634068
<NET-ASSETS>                                 153728534
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                             10473251
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 1886710
<NET-INVESTMENT-INCOME>                        8586541
<REALIZED-GAINS-CURRENT>                       (27677)
<APPREC-INCREASE-CURRENT>                      4226062
<NET-CHANGE-FROM-OPS>                         12784926
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      1379864
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        2194576
<NUMBER-OF-SHARES-REDEEMED>                    1202753
<SHARES-REINVESTED>                              92814
<NET-CHANGE-IN-ASSETS>                        30726201
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                     4684384
<GROSS-ADVISORY-FEES>                           696789
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                1894886
<AVERAGE-NET-ASSETS>                          24880710
<PER-SHARE-NAV-BEGIN>                             9.03
<PER-SHARE-NII>                                    .51
<PER-SHARE-GAIN-APPREC>                            .31
<PER-SHARE-DIVIDEND>                               .52
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.33
<EXPENSE-RATIO>                                   1.98
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<SERIES>
   <NUMBER> 003
   <NAME> PIONEER BOND FUND CLASS C
              
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          JUN-30-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                        144337900
<INVESTMENTS-AT-VALUE>                       150971968
<RECEIVABLES>                                  3723652
<ASSETS-OTHER>                                     568
<OTHER-ITEMS-ASSETS>                               721
<TOTAL-ASSETS>                               154696909
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       968375
<TOTAL-LIABILITIES>                             968375
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     151800225
<SHARES-COMMON-STOCK>                           914450
<SHARES-COMMON-PRIOR>                           508891
<ACCUMULATED-NII-CURRENT>                        15047
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                       4720806
<ACCUM-APPREC-OR-DEPREC>                       6634068
<NET-ASSETS>                                 153728534
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                             10473251
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 1886710
<NET-INVESTMENT-INCOME>                        8586541
<REALIZED-GAINS-CURRENT>                       (27677)
<APPREC-INCREASE-CURRENT>                      4226062
<NET-CHANGE-FROM-OPS>                         12784926
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                       423824
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        1763437
<NUMBER-OF-SHARES-REDEEMED>                    1374869
<SHARES-REINVESTED>                              16991
<NET-CHANGE-IN-ASSETS>                        30726201
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                     4684384
<GROSS-ADVISORY-FEES>                           696789
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                1894886
<AVERAGE-NET-ASSETS>                           7591681
<PER-SHARE-NAV-BEGIN>                             9.02
<PER-SHARE-NII>                                    .52
<PER-SHARE-GAIN-APPREC>                            .29
<PER-SHARE-DIVIDEND>                               .52
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.31
<EXPENSE-RATIO>                                   1.90
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

        

</TABLE>


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