PIONEER BOND FUND /MA/
485BPOS, 1997-10-27
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                                                              File Nos. 2-62436
                                                              811-02864

As Filed with the Securities and Exchange Commission on October 27, 1997




                       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. 25                      /_X__/

                                     and/or

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

           Amendment No. 24                                     /_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, 1997 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
Bond
Fund


Class A, Class B and Class C Shares
Prospectus
   
October 28, 1997

      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 dated October 28, 1997, 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.
    

[PIONEER LOGO]

<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    .................................      12
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  ...............      14
           Distribution Options    ..............................      14
           Directed Dividends   .................................      15
           Direct Deposit    ....................................      15
           Voluntary Tax Withholding  ...........................      15
           Telephone Transactions and Related Liabilities  ......      15
           FactFone(SM)  ........................................      15
           Retirement Plans  ....................................      15
           Telecommunications Device for the Deaf (TDD)    ......      15
           Systematic Withdrawal Plans   ........................      15
           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, 1997.
    


   
<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 fee(2) ......................           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)   .........           0.37%      0.46%     0.42%
                                                    ----       ----      ----
Total Operating Expenses  ...............           1.12%      1.96%     1.92%
                                                    ====       ====      ====
</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 domestic and
   international wire transfers of redemption proceeds.

 Example:
     You would pay the following expenses on a $1,000 investment, 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       $79      $104       $175
Class B Shares*
 - Assuming complete
   redemption at end of
   period                                  $60       $92      $126       $207
 - Assuming no
   redemption                              $20       $62      $106       $207
Class C shares**
 - Assuming complete
   redemption at end of
   period                                  $30       $60      $104       $224
 - Assuming no
   redemption                              $20       $60      $104       $224
</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 INFORMATIONAL PURPOSES ONLY, AND SHOULD NOT BE
CONSIDERED A REPRESENTATION OF PAST OR FUTURE EXPENSES OR RETURN. ACTUAL FUND
EXPENSES AND RETURN VARY FROM YEAR TO YEAR AND MAY BE HIGHER OR LOWER THAN THOSE
SHOWN.

     For further information regarding management fees, 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 12b-1 fee may result in long-term
shareholders indirectly paying more than the economic equivalent of the maximum
sales charge permitted under the Conduct Rules of the National Association of
Securities Dealers, Inc. ("NASD").

     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, 1997 appears in the Fund's Annual Report,
which is incorporated by reference in the Statement of Additional Information.
The information listed below should be read in conjunction with financial
statements contained in the Fund's Annual Report. 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 Throughout Each Period:

   
<TABLE>
<CAPTION>
                                                          For the Year Ended June 30,
                                           --------------------------------------------------
                                               1997          1996         1995         1994
                                           -----------   ----------   ---------     ---------
<S>                                        <C>           <C>          <C>           <C>
Net asset value, beginning of
 period  ...........................       $  9.08       $    9.35     $   9.04     $    9.81
                                           -------       ---------     --------     ---------
Increase (decrease) from 
 investment operations:
 Net investment income  ............       $  0.63       $    0.64     $   0.68     $    0.67
 Net realized and unrealized gain
  (loss) on investments    .........         (0.01)          (0.27)        0.31         (0.77)
                                           -------       ---------    --------     ---------
  Net increase (decrease) from
   investment operations   .........       $  0.62       $    0.37     $   0.99     $   (0.10)
Distributions to shareholders from:
 Net investment income  ............         (0.63)          (0.64)       (0.68)        (0.67)
                                           -------       ---------     --------     ---------
Net increase (decrease) in net
 asset value   .....................        $(0.01)      $   (0.27)    $   0.31     $  (0.77)
                                            ------       ---------     --------     --------
Net asset value, end of period   ...        $ 9.07       $    9.08     $   9.35     $   9.04
                                            ======       =========     ========     ========
Total return*  .....................          7.09%           4.02%      11.48%        (1.26)%
Net assets, end of period
 (in thousands)   ..................       $98,310        $101,957    $110,158      $106,659
Ratio of net expenses to average
 net assets ........................          1.14%+          1.19%+      1.14%        1.05%
Ratio of net investment income to
 average net assets  ...............          6.97%+          6.80%+      7.55%        6.93%
Portfolio turnover rate ............            48%             39%         37%          39%
Ratios assuming reduction for 
 fees paid indirectly:
 Net expenses  .....................          1.12%           1.18%         --            --
 Net investment income (loss)    ...          6.99%           6.81%         --            --



<CAPTION>
                                             1993          1992        1991       1990         1989       1988
                                           --------     ---------    -------    --------     -------    --------
<S>                                        <C>          <C>          <C>        <C>          <C>        <C>
Net asset value, beginning of
 period  ...........................       $   9.37     $   8.99     $  8.92    $   9.18     $  9.04    $   9.22
                                           --------     --------     -------    --------     -------    --------
Increase (decrease) from
 investment operations:
 Net investment income  ............       $   0.70     $   0.74     $  0.79    $   0.81     $  0.81    $   0.81
 Net realized and unrealized gain
  (loss) on investments    .........           0.44         0.39        0.07       (0.26)       0.14       (0.18)
                                           --------     --------     -------    ---------    -------    --------
  Net increase (decrease) from
   investment operations   .........       $   1.14     $   1.13     $  0.86    $   0.55     $  0.95    $   0.63
Distributions to shareholders from:
 Net investment income  ............          (0.70)       (0.75)      (0.79)      (0.81)      (0.81)      (0.81)
                                           --------     --------     -------    ---------    -------    --------
Net increase (decrease) in net
 asset value   .....................       $   0.44     $   0.38     $  0.07    $  (0.26)    $  0.14    $  (0.18)
                                           --------     --------     -------    --------     -------    --------
Net asset value, end of period   ...       $   9.81     $   9.37     $  8.99    $   8.92     $  9.18    $   9.04
                                           ========     ========     =======    ========     =======    ========
Total return*  .....................          12.67%       13.03%      10.13%       6.24%      11.17%       7.16%
Net assets, end of period
 (in thousands)   ..................       $112,900     $102,503     $76,476    $ 74,137     $64,261    $ 53,090
Ratio of net expenses to average
 net assets ........................           1.10%        1.09%       1.02%       0.88%       0.86%       0.88%
Ratio of net investment income to
 average net assets  ...............           7.37%        8.04%       8.82%       9.01%       8.99%       8.90%
Portfolio turnover rate ............             37%          17%         20%         34%         34%         20%
Ratios assuming reduction for
 fees paid indirectly:
 Net expenses  .....................             --           --          --          --          --          --
 Net investment income (loss)    ...             --           --          --          --          --          --
</TABLE>
    

Selected Data for a Class B Share Outstanding Throughout Each Period:
   
<TABLE>
<CAPTION>
                                                                                 For the Year
                                                                                Ended June 30,
                                                                   ----------------------------------------
                                                                                                                April 4, 1994
                                                                     1997          1996          1995          to June 30, 1994
                                                                   --------      ----------      -------       ----------------
<S>                                                                 <C>             <C>           <C>              <C>
Net asset value, beginning of period    ........................    $  9.02         $  9.31       $ 9.02           $  9.23
                                                                    -------         -------       ------           -------
Increase (decrease) from investment operations:
 Net investment income   .......................................    $  0.56         $  0.57       $ 0.60           $  0.14
 Net realized and unrealized gain (loss) on investments   ......      (0.01)          (0.28)        0.31             (0.21)
                                                                    -------         -------       ------           -------
  Net increase (decrease) from investment operations   .........    $  0.55         $  0.29       $ 0.91           $ (0.07)
Distributions to shareholders:
 From net investment income    .................................      (0.54)          (0.57)       (0.62)            (0.14)
 In excess of net investment income  ...........................         --           (0.01)          --                --
                                                                    -------         -------       ------           -------
Net increase (decrease) in net asset value    ..................    $  0.01         $ (0.29)      $ 0.29           $ (0.21)
                                                                    -------         -------       ------           -------
Net asset value, end of period    ..............................    $  9.03         $  9.02       $ 9.31           $  9.02
                                                                    =======         =======       ======           =======
Total return*   ................................................       6.24%           3.15%       10.57%            (0.73)%
Net assets, end of period (in thousands)   .....................    $20,104         $14,843      $ 7,338            $1,212
Ratio of net expenses to average net assets   ..................       1.97%+          1.96%+       1.97%             1.92%**
Ratio of net investment income to average net assets   .........       6.12%+          6.01%+       6.60%             6.09%**
Portfolio turnover rate  .......................................         48%             39%          37%               39%
Ratios assuming reduction for fees paid indirectly:
 Net expenses   ................................................       1.96%           1.94%          --                --
 Net investment income (loss)  .................................       6.13%           6.03%          --                --
</TABLE>
    
- ----------------------
 +Ratios 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 Throughout Each Period:
    

   
<TABLE>
<CAPTION>
                                                                     For the Year      January 31, 1996
                                                                    Ended June 30,           to
                                                                         1997           June 30, 1996
                                                                   ----------------   -----------------
<S>                                                                    <C>                  <C>
Net asset value, beginning of period    ........................       $ 9.02               $ 9.54
                                                                        ------               ------
Increase (decrease) from investment operations:
 Net investment income   .......................................       $ 0.54               $ 0.23
 Net realized and unrealized gain (loss) on investments   ......           --                (0.52)
                                                                       ------               ------
  Net increase (decrease) from investment operations   .........       $ 0.54               $(0.29)
Distributions to shareholders:
 From net investment income    .................................        (0.54)               (0.22)
 In excess of net investment income  ...........................          --                (0.01)
                                                                       ------               ------
Net increase (decrease) in net asset value .....................       $   --               $(0.52)
                                                                       ------               ------
Net asset value, end of period    ..............................       $ 9.02               $ 9.02
                                                                       ======               ======
Total return*   ................................................         6.13%               (3.00)%
Net assets, end of period (in thousands)   .....................       $4,588               $  343
Ratio of net expenses to average net assets   ..................         2.05%+               2.18%**+
Ratio of net investment income to average net assets   .........         5.83%+               5.79%**+
Portfolio turnover rate  .......................................           48%                  39%
Ratios assuming a reduction for fees paid indirectly:
 Net expenses   ................................................         1.92%                2.13%**
 Net investment income (loss)  .................................         5.96%                5.84%**
</TABLE>
    
- ----------------------
 +Ratios 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 fully managed by purchasing and selling
securities, as well as holding selected securities to maturity. The Fund's
investment manager employs "cycle analysis" in the management of the Fund's
portfolio. Cycle analysis is the process of managing the Fund's portfolio by
analyzing the business and credit cycles of the economy to identify and monitor
trends in interest rates and to identify fixed-income 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. There are currently nine Trustees, seven of whom are
not "interested persons" of the Fund as defined in the Investment Company Act of
1940, as amended (the "1940 Act"). 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 names and general background of each Trustee and executive officer
of the Fund.
    
     Mr. David Tripple, President and Chief Investment Officer of PMC and
Executive Vice President of the Fund, has general responsibility for PMC's
investment operations and chairs a committee of PMC's fixed income managers
which reviews PMC's research and portfolio operations, including those of the
Fund. Mr. Tripple joined PMC in 1974.

     Research and management for the Fund is the responsibility of a team of
portfolio managers and analysts focusing on fixed income securities. Members of
the team meet regularly to discuss holdings, prospective investments and
portfolio composition. Mr. Sherman Russ is the senior member of the fixed
income team. Mr. Russ joined PMC in 1983.
   
     Day-to-day management of the Fund has been the responsibility of Mr. Russ,
a Senior Vice President of PMC and Vice President of the Fund, since March
1988. Mr. Russ has 34 years of investment experience.
    
                                       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
governmental agencies; (f) fees and expenses involved in registering and
maintaining registrations of the Fund and/or its shares with regulatory
agencies, individual states or blue sky securities agencies, territories and
foreign countries, including the preparation of Prospectuses and Statements of
Additional Information for filing with regulatory agencies; (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
the Trustees; (i) distribution fees paid by the Fund in accordance with Rule
12b-1 promulgated by the SEC pursuant to 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 of PFD,
President and a Director of PGI and Chairman and a Director of PMC, owned
approximately 14% of the outstanding capital stock of PGI as of the date of this
Prospectus.

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 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, approximately eight years after the initial purchase.

                                       6
<PAGE>

     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 each 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 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 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 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 are 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 charges or minimum
requirements apply 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 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

                                       7
<PAGE>

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 and Related Liabilities"
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 Internal Revenue Code in 1986, as amended (the
"Code"), although more than one beneficiary is involved. The sales charges
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 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 of its affiliates 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 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 reinvest-

                                       8
<PAGE>

ments 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 at net asset value per share next computed after receipt of a purchase
order; 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,
all payments during a 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 Percentage 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 end of
the calendar quarter 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 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 ("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 is
no longer in effect and such an 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.

                                       9
<PAGE>

     For the purpose of determining the time of any purchase, all payments
during a quarter will be aggregated and deemed to have been made on the first
day of that quarter. In processing redemptions of Class C shares, the Fund will
first redeem shares not subject to any CDSC, and then shares held for the
shortest period of time during the one-year period. 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 UGMAs, UTMAs and trust accounts, 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 by Pioneer) 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); (c) the distribution is from a 401(a) or 401(k) retirement
plan and is a return of excess employee deferrals or employee contributions; (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 PFD from
a broker-dealer prior to the close of regular trading on the Exchange is
confirmed at the price appropriate for that 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.

                                       10
<PAGE>

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:

     [bullet]  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.

     [bullet]  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:
   
     [bullet]  you wish to sell over $100,000 worth of shares,
    

     [bullet]  your account registration or address has changed within the last
               30 days,

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

     [bullet]  the check is not being made out to the account owners, or

     [bullet]  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 and Related Liabilities" 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.

     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

                                       11
<PAGE>

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 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
FactFone(SM), will be recorded. You are strongly urged to consult with your
financial representative prior to requesting a telephone exchange. See
"Telephone Transactions and Related Liabilities" 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 below 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 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.

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.

     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

                                       12
<PAGE>

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 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%, equal to 3.75% of the amount invested and a first year's
service fee equal to 0.25% of the amount invested in Class B shares, are paid to
broker-dealers who have selling 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 selling
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.

     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 annually to shareholders. See "Distribution
Options" and "Directed Dividends."
    
                                       13
<PAGE>

   
     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. It is anticipated that future tax
regulations implementing federal tax legislation enacted on August 5, 1997 will
provide that distributions of long-term capital gains to individuals or other
noncorporate taxpayers will be subject to different maximum tax rates, depending
upon the dates on which the gains are recognized and the Fund's holding periods
for the assets that produce the 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) from certain of its
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
different than described above. Shareholders should consult their own tax
advisors regarding state, local and other applicable tax laws, including the
application of the federal tax legislation and regulations referred to above 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 Intention 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 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 or
draft drawn on a checking account. Pioneer Investomatic Plan investments are
voluntary, and you may discontinue the Plan without penalty upon 30 days'
written notice to PSC. 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 to 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

                                       14
<PAGE>

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 the distribution option may be made by written request to
PSC.

     If you elect to receive either dividends or capital gains or both 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, i.e., PGI IRA Cust for John Smith may only go into
another account registered PGI IRA Cust for John Smith.
    
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 and Related Liabilities
     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. For
personal assistance, call 1-800-225-6292 between 8:00 a.m. and 9:00 p.m. Eastern
time on weekdays. See "How to Buy Fund Shares," "How to Sell Fund Shares" and
"How to Exchange Fund Shares" for more information. Computer-assisted
transactions are available to shareholders who have pre-recorded certain bank
information (see FactFone(SM)). 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, the
Fund 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.

FactFone(SM)
     FactFone(SM) is an automated inquiry and telephone transaction system
available to Pioneer shareholders by dialing 1-800-225-4321. FactFone(SM) 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 FactFone(SM) 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 FactFone(SM). See "How
to Buy Fund Shares," "How to Exchange Fund Shares," "How to Sell Fund Shares"
and "Telephone Transactions and Related Liabilities." Call PSC for assistance.

Retirement Plans
     Interested persons should contact the Retirement Plans Department of PSC at
1-800-622-0176 for information relating to retirement plans for business,
age-weighted profit sharing plans, Simplified Employee Pension Plans, IRAs,
Section 401(k) salary reduction plans and Section 403(b) retirement plans for
employees of certain non-profit organizations and public school systems, all of
which are available in conjunction with investments in the Fund. The Pioneer
Mutual Funds Account Application accompanying this Prospectus should not be used
to establish such 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
SWP providing for fixed payments at regular

                                       15
<PAGE>

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
checks 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 checks 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 in effect
immediately 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
certain 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 existing or proposed 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 adver-


                                       16

<PAGE>


tisements, 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. Rankings or listings by
magazines, newspapers or independent statistical or rating services, such as
Lipper Analytical Services, Inc., may also be referenced.

     The Fund's investment results will vary from time to time depending on
market conditions, the composition of the Fund's portfolio and operating
expenses of the Fund. 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 India Fund
     Pioneer International Growth Fund
     Pioneer World Equity Fund

United States
     Pioneer Capital Growth Fund
     Pioneer Growth Shares
     Pioneer Mid-Cap Fund
     Pioner Small Company Fund
     Pioneer Micro-Cap Fund*

Growth and Income Funds
     Pioneer Balanced Fund
     Pioneer Equity-Income Fund
     Pioneer Fund
     Pioneer Real Estate Shares
     Pioneer II

Income Funds

Taxable
     Pioneer America 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

     *Offers Class A and B Shares only

    **Not suitable for retirement accounts

                                       19
<PAGE>

                                                                          [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 DORR LLP

PRINCIPAL 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

   
1097-4602
    
(C)Pioneer Funds Distributor, Inc.
<PAGE>
                                                       
                                PIONEER BOND FUND
                                 60 State Street
                           Boston, Massachusetts 02109

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

   
                                October 28, 1997

     This Statement of Additional Information is not a Prospectus, but should be
read in conjunction  with the Prospectus  (the  "Prospectus")  dated October 28,
1997 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..........................................11
4. Underwriting Agreement and Distribution Plans...............11
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.................................21
15. Letter of Intent...........................................22
16. Investment Results.........................................22
17. Financial Statements.......................................26
Appendix A.....................................................27
Appendix B.....................................................32
Appendix C.....................................................42
                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.






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 New York
Stock Exchange (the  "Exchange"),  under agreements which would require that the
loans be secured  continuously by collateral in cash, cash equivalents or United
States  ("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.

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  restrictions
have 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:

          (1)  invest in  companies  for the  purpose of  exercising  control or
     management;
                  (2)  knowingly   purchase   securities  of  other   registered
investment  companies,  except  in  connection  with  a  merger,  consolidation,
acquisition, or reorganization;

                  (3) invest in any security, including any repurchase agreement
maturing in more than seven  days,  which is  illiquid,  if more than 15% of the
total  assets of the Fund,  taken at market  value,  would be  invested  in such
securities;

                  (4) purchase or retain the securities of any issuer,  if those
individual  officers  and  trustees  or  directors  of the Fund,  its adviser or
principal underwriter,  each owning beneficially more than one half of 1% of the
securities of such issuer,  together own more than 5% of the  securities of such
issuer; or

                  (5) invest more than 5% of its total assets in  securities  of
companies having, together with their predecessors,  a record of less than three
years of continuous operation.

         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 the Securities and Exchange  Commission (the "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.

         Interest  paid by foreign  issuers  may be subject to  withholding  and
other  foreign  taxes which may decrease the net return on such  investments  as
compared  to  interest  paid to the Fund 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 the Investment Company Act of 1940, as amended (the "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. (PREA),  Pioneer Forest,  Inc.,  Pioneer  Explorer,  Inc.
("PEI"),  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  GmbH"),  Pioneer First Polish Trust Fund Joint Stock
Company,  S.A. ("PFPT") 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 Cash Funds Plc,
Pioneer Central, Eastern Europe Fund Plc, and Pioneer U.S. Real Estate Fund Plc,
collectively,  the  ("Pioneer  Irish  Funds");  and  Partner,  Hale and Dorr LLP
(counsel to PGI and the Fund).


MARY K. BUSH, Trustee,  DOB:  April 1948
4201 Cathedral Ave. NW, Washington, DC  20016
         President,  Bush & Co., an international financial advisory firm, since
1991;  Director/Trustee  of Mortgage  Guaranty  Insurance  Corporation,  Novecon
Management Company,  Hoover Institution,  Folger Shakespeare  Library,  March of
Dimes,  Project 2000,  Inc.,  Small  Enterprise  Assistance Fund and Wilberforce
University;   Advisory  Board  member,   Washington  Mutual  Investors  Fund,  a
registered investment company; U.S. Alternate Executive Director,  International
Monetary Fund (1984-1988);  and Managing Director, Federal Housing Finance Board
(1989-1991). Trustee of all of 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 Rd., Boston, MA  02115
         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;  Director,  Boston University
Health Policy  Institute and Boston  University  Medical Center;  Executive Vice
President and Vice  Chairman of the Board,  University  Hospital;  Academic Vice
President for Health Affairs,  Boston  University;  Director,  Essex  Investment
Management  Company,  Inc.  (investment  adviser),  Health Payment Review,  Inc.
(health care  containment  software firm),  Mediplex Group,  Inc.  (nursing care
facilities firm),  Peer Review Analysis,  Inc. (health care facilities firm) and
Springer-Verlag  New  York,  Inc.  (publisher);   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,  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,   Boston
University School of Management ("BUSM"),  from 1989 to 1993; and Trustee of all
of 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 and Adjunct Scholar,  George Washington  University;
Economic  Consultant and Director,  American  Productivity  and Quality  Center;
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) 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,  Chief
Investment  Officer and a Director of PMC;  Director of PFD,  PCC,  PIC,  PIntl,
First  Russia,  Omega and Pioneer  SBIC  Corporation,  Irish Fund and PMIL;  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
         Partner,  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.;  Trustee of Alliance Capital Reserves,  Alliance  Government Reserves
and  Alliance  Tax Exempt  Reserves;  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, PIC, PIntl,  PMT, PGL, First Russia,  Omega and
Pioneer SBIC Corporation; Treasurer and Director of PPC; 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 the
Pioneer  Mutual  Funds and  Partner,  Hale and Dorr LLP  (counsel to PGI and the
Fund).
    



ERIC W. RECKARD, Assistant Treasurer, DOB:  June 1956
         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.

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 formerly of Hale and Dorr LLP where
he most recently served as junior partner.
    

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 India 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 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 1
Pioneer Variable Contracts Trust           PMC               Note 2
    



Note 1 This fund is a closed-end fund.

Note 2 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,  no officer or Trustee of the Fund owned
5% or more of the  issued and  outstanding  shares of PGI as of the date of this
Statement  of  Additional   Information,,   except  Mr.  Cogan  who  then  owned
approximately 14% of such shares. As of the date of this Statement of Additional
Information,  , the Trustees and officers of the Fund owned,  in the  aggregate,
less than 1% of the outstanding securities of the Fund. As ofSeptember 30, 1997,
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 11.42% (268,413.000  shares) of the outstanding Class
B shares of the Fund.
    

Compensation of Officers and Trustees

   
         The Fund  pays no  salaries  or  compensation  to any of its  officers,
however,  the Fund  pays an  annual  trustees'  fee to each  Trustee  who is not
affiliated  with PGI, PMC, PFD or PSC consisting of two  components:  (a) a base
fee of $500 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 $100 to each
Trustee who is not  affiliated  with PGI, PMC, 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  trustees' fee,  except the Committee  Chairperson who receives an annual
fee equal to 20% of the aggregate  annual  trustees' fee. Members of the Pricing
Committee for the Pioneer  mutual funds,  as well as any other  committee  which
renders  material  functional  services to the Board of Trustees for the Pioneer
mutual  funds,  receive an annual fee equal to 5% of the annual fee,  except the
Committee  Chairperson who receives an annual  trustees' fee equal to 10% of the
annual trustees' fee. Any such fees paid to affiliates or interested  persons of
PGI, PMC, 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:
<TABLE>
<CAPTION>

<S>     <C>                                       <C>                 <C>                           <C>    
- ----------------------------------------------------------------------------------------------------------------------
          Name of Trustee                   Aggregate                Pension or                     Total
                                           Compensation              Retirement                  Compensation
                                           from Fund *                Benefits                  from Fund and
                                                                     Accrued as                Pioneer Family
                                                                       Part of                    of Funds**
                                                                    Fund Expenses
- --------------------------------------------------------------------------------------------------------------
   
John F. Cogan, Jr.                                     $  500            $0                                $11,083.00
    
- ----------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------
   
Mary K.Bush +                                              $0            $0                                        $0
    
- ----------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------
   
Richard H. Egdahl, M.D.                                $1,840            $0                                $59,858.00
    
- ----------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------
   
Margaret B.W. Graham                                   $1,940            $0                                $59,858.00
    
- ----------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------
   
John W. Kendrick                                       $1,740            $0                                $59,858.00
    
- ----------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------
   
Margeurite A. Piret                                    $2,248            $0                                $79,842.00
    
- ----------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------
   
David D. Tripple                                       $  500            $0                                $11,083.00
    
- ----------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------
   
Stephen K. West                                        $1,871            $0                                $67,850.00
    
- ----------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------
   
John Winthrop                                          $2,057            $0                                $66,442.00
                                                       -                 --                                          
    
- ----------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------
   
                   Total                              $12,696            $0                               $415,874.00
                                                      =======            ==                               ===========
    
- ----------------------------------------------------------------------------------------------------------------------


   
*        As of June 30, 1997, the Fund's fiscal year end.
**      For the calendar year ended December 31, 1996, there were 21 mutual funds in the Pioneer Family of Funds.

+        Mary K. Bush became a Trustee on June 23, 1997.
    

<PAGE>

</TABLE>


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  1997,  1996 and 1995  fiscal  years,  the Fund  paid or owed  total
management  fees  to PMC of  approximately  $596,770,  $588,432,  and  $546,000,
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 any
distribution expenses not borne by the Fund.

         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 law.
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 Fund 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 daily  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
"Distributions  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.



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 amount invested and additional compensation
at a rate of up to 0.75% of the 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
appropriate  ness 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 Fund 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 of the respective Class
of the Fund (as defined in the 1940 Act). A Plan will automatically terminate in
the event of its assignment (as defined in the 1940 Act).

   
         During the fiscal  year ended June  30,1997,  the Fund  incurred  total
distribution fees pursuant to the Fund's Class A Plan, Class B Plan, and Class C
Plan respectively,  as follows: $218,481, $181,192 and $17,949. 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, 1997, CDSCs, in the
amount of $77,355 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 terminates if assigned and may be terminated without
penalty  by either  party by vote of its Board of  Directors  or  Trustees  or a
majority of its  outstanding  voting  securities  and the giving of ninety 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 shares of the Fund; (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.  This 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.  (the  "Custodian"),  40 Water  Street,
Boston,  Massachusetts  02109,  is 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,  however,  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 1997,1996, and 1995 fiscal
years,  net  underwriting  commissions  earned  by PFD in  connection  with  its
offering of Fund  shares  were  approximately  $33,000,  $39,000,  and $39,000 ,
respectively.  Commissions reallowed to dealers by PFD in those three years were
approximately $219,000, $281,000, and $268,000,  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.

         PMC may select dealers which provide brokerage and/or research services
to the Fund and/or other investment  companies  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 price
quotation services; furnishing analyses, 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  other  investment  companies
managed by PMC, 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.

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

         In addition to the Fund, PMC acts as investment adviser to other mutual
funds in the  Pioneer  group and private  accounts  with  investment  objectives
similar to those of the Fund. As such, securities may meet investment objectives
of the Fund,  such other 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 company presently has in a
particular  industry or country and the availability of investment funds in each
company.

         It is possible  that, at times,  identical  securities  will be held by
more than one fund and/or account.  However, the position of any fund or account
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.

10.    TAX STATUS

It is the Fund's policy to meet the requirements of Subchapter M of the Internal
Revenue Code of 1986, as amended (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"),  limit its gains from the sale of  securities  and certain
other  positions  held for less than three  months to less than 30% of its gross
income (the "30% test") for its taxable  year that  includes  August 5, 1997 and
satisfy certain annual distribution and quarterly diversification requirements.

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 capital  gains for  federal  income tax
purposes without regard to the length of time shares of the Fund have been held.
As a result of the enactment of the Taxpayer Relief Act of 1997 (the "1997 TRA")
on August 5, 1997, gain recognized  after May 6, 1997 from the sale of a capital
asset is taxable to  individual  (noncorporate)  investors at different  maximum
federal  income tax rates,  depending  generally upon the tax holding period for
the asset,  the federal  income tax bracket of the  taxpayer,  and the dates the
asset was acquired and/or sold. The Treasury Department may issue regulations to
apply this legislation (as modified by any "technical  corrections"  that may be
enacted)  to the  Fund's  distributions  from its  realized  net  capital  gain.
Although the  treatment of these  distributions  will be uncertain  prior to the
issuance  of  these  regulations  or  other  guidance,  it is  anticipated  that
noncorporate  shareholders will be entitled to the maximum 28% rate provided for
under  prior and current  law for gains  realized on the sale of capital  assets
held more than one year and to the  benefit of the new lower  capital  gains tax
rates enacted by the 1997 TRA (generally, maximum rates of 20%, or 10% for those
taxpayers in the 15% tax bracket, for gains realized on the sales of assets held
more  than  18  months)  with  respect  to the  Fund's  distributions  that  are
attributable  to the capital gains it realizes  from the sale of capital  assets
held by the Fund for at least the required holding periods.  Shareholders should
consult their own tax advisers on the correction  application of these new rules
in  their  particular  circumstances.  The  federal  income  tax  status  of all
distributions will be reported to shareholders annually.
    

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.  Any  transactions  in
foreign  currency  that are not directly  related to the Fund's  investments  in
securities  may need to be limited  in order to enable  the Fund to satisfy  the
limitations  described in the second  paragraph above that are applicable to the
income or gains recognized by a regulated investment company. 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  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,  1997,   the  Fund  had  aggregate   capital  loss
carryforwards  of approximately  $3,720,307,  which will expire between 1998 and
2005 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 character of and tax rate applicable to any gains or
losses recognized in such  transactions  under the new rate structure enacted in
the 1997 TRA or, if  applicable,  prior law. 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  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,  dividends  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 Internal  Revenue  Service  ("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 qualifies 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  Fund's  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.  The  Trustees may  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.

         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 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.

         Although  Trustees  are  not  elected  annually  by  the  shareholders,
shareholders  have under certain  circumstances  the right to remove one or more
Trustees.  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 its 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 on the Exchange (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
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.  On any day in which no purchase orders for the shares of
the Fund become  effective  and no shares are tendered for  redemption,  the net
asset value per share is not required to be determined.
    

         The net asset  value per share of each class of the Fund is computed by
taking the value of all of its assets, less the Fund's liabilities, attributable
to the class, and dividing it 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 Fund's  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.  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  checks of $50 or more will be sent to the applicant,  or
any person designated by him, monthly or quarterly.

         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.  The fees of PSC for maintaining  Systematic Withdrawal Plans are paid
by the Fund.

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  Purchase  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
Block Carre and 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 the
class,  over  any  period  up  to  the  lifetime  of  the  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

         The yield of a class is computed by dividing the class's net investment
income per share 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
                           YIELD  = 2[ ( ----- +1)6-1]
                                            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, 1997, computed as above
was 5.85% for  Class A  shares,  5.32% for Class B shares  and 5.26% 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 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, 1997,  are
as follows:
    
<TABLE>
<CAPTION>

                                          Average Annual Total Return (%)
- ------------------------------------------------------------------------------------------------------------------------
<S>                                <C>             <C>                     <C>                 <C>    
                           One Year          Five Years            Ten Years            Since Inception*
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
   
Class A Shares                   2.25                5.70                  7.60                      8.80
Class B Shares                   2.24                 N/A                  N/A                       5.06
Class C Shares                   6.13                 N/A                  N/A                       2.06
    
- ------------------------------------------------------------------------------------------------------------------------

* 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.
</TABLE>

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  figures  for all quoted  bond funds  include  the  applicable
maximum 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's money market fund, which seeks 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  dated June 30,  1997,  is  incorporated  by
reference  into and attached to this  Statement  of  Additional  Information  in
reliance upon the report of Arthur Andersen LLP, independent public accountants,
as experts in accounting and auditing. A copy of the Fund's Annual Report may be
obtained without charge by calling Shareholder  Services at 1-800-225-6292 or by
written request to the Fund at 60 State Street, Boston, Massachusetts 02109.
    




<PAGE>




                                   APPENDIX A


                          Description of Bond Ratings1

                        Moody's Investor's Service, Inc.2

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 bigger 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 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.

- ---------------------------------------------
1 The  ratings  indicated  herein are  believed  to be the most  recent  ratings
available at the date of this Prospectus 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.

2 Rates bonds of issuers  which have  $600,000 or more of debt,  except bonds of
educational  institutions,  projects  under  construction,  enterprises  without
established  earnings  records and  situations  where current  financial data is
unavailable.




<PAGE>



                        Standard & Poor's Ratings Group 3

AAA: Bonds rated AAA are highest grade obligations. This rating indicates an 
extremely strong capacity to pay principal and interest.

AA: Bonds rated AA also  qualify as  high-quality  obligations.  Capacity to pay
principal  and  interest is very strong,  and in the majority of instances  they
differ from AAA issues only in small degree.

A: Bonds rated A have a strong capacity to pay principal and interest,  although
they are more susceptible to the adverse effects of changes in circumstances and
economic conditions.

BBB:  Bonds  rated  BBB are  regarded  as  having an  adequate  capacity  to pay
principal  and  interest.  Whereas they  normally  exhibit  adequate  protection
parameters,  adverse  economic  conditions  or changing  circumstances  are more
likely to lead to a weakened capacity to pay principal and interest for bonds in
this category than for bonds in the A category.

- -------------------------------------------------
3 Rates all governmental  bodies having  $1,000,000 or more of debt outstanding,
unless adequate information is not available.




<PAGE>
                                            Pioneer Bond Fund A



<TABLE>
<CAPTION>
                     Initial                               Sales Charge     Shares Purchased   Net Asset Value    Initial Net
     Date          Investment         Offering Price         Included                             Per Share       Asset Value

<S>                      <C>                 <C>                 <C>                  <C>              <C>           <C>        
       
6/30/87          $10,000              $9.65                4.50%            1036.269            $9.22            $9,550







                                   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
    
</TABLE>


<PAGE>




                                            Pioneer Bond Fund B

<TABLE>
<CAPTION>


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

<S>                      <C>                 <C>                  <C>                  <C>            <C>              <C>          
4/30/94          $10,000              $9.21                0.00%            1085.776            $9.21           $10,000





                                   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
    

          Value of shares if redeemed                                                           $11,696

</TABLE>


<PAGE>




                                            Pioneer Bond Fund C

<TABLE>
<CAPTION>


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

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





                                   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
    


          Value of shares if redeemed                                                            $10,294
</TABLE>




<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 be used, if appropriate. The indices
are not available for direct investment. The data presented is not meant to be
indicative of the performance of the Fund, reflects past performance and does
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 Composite Index
includes 500 of the largest stocks (in terms of stock market value) in the
United States; prior to March 1957 it consisted of 90 of the largest stocks.

DOW JONES INDUSTRIAL AVERAGE

This is a total return index based on the performance of 30 blue chip stocks.

U.S. SMALL STOCK INDEX

This index is a market value weighted index of the ninth and tenth deciles of
the New York Stock Exchange (NYSE), plus stocks listed on the American Stock
Exchange (AMEX) and over-the-counter (OTC) 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 Index 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.

                                      

                                       30
<PAGE>

                             COMPARATIVE PERFORMANCE
                               INDEX DESCRIPTIONS


LONG-TERM U.S. GOVERNMENT BONDS

The total returns on long-term government bonds from 1977 to 1991 are
constructed with data from The Wall Street Journal. Over 1926-1976, 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. Total returns
for 1977-1991 are calculated as the change in the flat price or and-interest
price.

INTERMEDIATE-TERM U.S. GOVERNMENT BONDS

Total returns of the intermediate-term government bonds for 1977-1991 are
calculated from The Wall Street Journal prices, using the change in flat price.
Returns from 1934-1986 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 5 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 1934-1942, almost all bonds
with maturities near 5 years were partially or full 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 1926-1933, there are few bonds suitable for construction of a series
with a 5-year maturity. For this period, five year bond yield estimates are
used.

MSCI

Morgan Stanley Capital International Indices, developed by the Capital
International S.A., are based on share prices of some 1470 companies listed on
the stock exchanges around the world.

Countries in the MSCI EAFE Portfolio are:

Australia; Austria; Belgium; Denmark; Finland; France; Germany; Hong Kong;
Italy; Japan; Netherlands; N. Zealand; Norway; Singapore/Malaysia; Spain;
Sweden; Switzerland; United Kingdom.

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

                                      

                                       31
<PAGE>

                             COMPARATIVE PERFORMANCE
                               INDEX DESCRIPTIONS

6 MONTH CDs 

Data sources include the Federal Reserve Bulletin and The Wall Street Journal.

LONG-TERM U.S. CORPORATE BONDS

For 1969-1991, corporate bond total returns are represented by the Salomon
Brothers Long-Term High-Grade Corporate Bond Index. Since 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. 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.

Over 1926-1968 the total returns were calculated by summing the capital
appreciation returns and the income returns. For the period 1946-1968, Ibbotson
and Sinquefield backdated the Salomon Brothers' index, using Salomon Brothers'
monthly yield data with a methodology similar to that used by Salomon for
1969-1991. 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 1926-1945, the Standard and Poor's monthly High-Grade Corporate Composite
yield data were used, assuming a 4 percent 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 Randolph W. Westerfield, 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 for
1977-1991; the CRSP U.S. 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.

NAREIT-EQUITY INDEX

All of the data is based upon the last closing price of the month for all
tax-qualified REITs listed on the NYSE, AMSE and the NASDAQ. The data is
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 weighing at the beginning of the period.
Only those REITs listed for the entire period are


                                      

                                       32
<PAGE>

                             COMPARATIVE PERFORMANCE
                               INDEX DESCRIPTIONS

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 2000 SMALL STOCK INDEX

Index of the 2,000 smallest stocks in the Russell 3000 Index (TM); the smallest
company has a market capitalization of approximately $13 million. The Russell
3000 is comprised of the 3,000 largest US companies as determined by market
capitalization representing approximately 98% of the US equity market. The
largest company in the index has a market capitalization of $67 billion. The
Russell Indexes (TM) are reconstituted annually as of June 1st, based on May 31
market capitalization rankings.

WILSHIRE REAL ESTATE SECURITIES INDEX

The Wilshire Real Estate Securities Index is a market capitalization-weighted
index which measures the performance of more than 85 securities.

The index contains performance data on five major categories of property;
office, retail, industrial, apartment and miscellaneous. Additionally, the Index
has real estate portfolio encumbered by 16% third party mortgages. The companies
in the WRESEC are 79% equity and hybrid REIT's and 21% real estate operating
companies. The capitalization is 47% NYSE, 33% AMEX and 20% OTC."

STANDARD & POOR'S MIDCAP 400 INDEX

The Standard and Poor's MidCap 400 Index is a market-value-weighted index. The
performance data for the MidCap 400 Index were calculated by taking the stocks
presently in the MidCap 400 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 MidCap 400 Index 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.

The S&P MidCap 400 Index and the S&P 500 together represent approximately 85% of
the total market capitalization of stocks traded in the United States.

   
LIPPER BALANCED FUNDS INDEX

Equally-weighted performance indices, 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%.
    

                                      

                                       33
<PAGE>

                             COMPARATIVE PERFORMANCE
                               INDEX DESCRIPTIONS

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 1963-1987 and The Wall Street Journal for the years 1988-1994.






Source:           Ibbotson Associates



                                       34
<PAGE>


                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT


          S&P 500       Dow      U.S. Small                  S&P/     S&P/
                       Jones       Stock         U.S.       BARRA    BARRA
                    Industrials    Index      Inflation    Growth    Value
- --------------------------------------------------------------------------------

   
Dec 1928   43.61       55.38       39.69       -0.97         N/A      N/A
Dec 1929   -8.42      -13.64      -51.36        0.20         N/A      N/A
Dec 1930  -24.90      -30.22      -38.15       -6.03         N/A      N/A
Dec 1931  -43.34      -49.03      -49.75       -9.52         N/A      N/A
Dec 1932   -8.19      -16.88       -5.39      -10.30         N/A      N/A
Dec 1933   53.99       73.71      142.87        0.51         N/A      N/A
Dec 1934   -1.44        8.07       24.22        2.03         N/A      N/A
Dec 1935   47.67       43.77       40.19        2.99         N/A      N/A
Dec 1936   33.92       30.23       64.80        1.21         N/A      N/A
Dec 1937  -35.03      -28.88      -58.01        3.10         N/A      N/A
Dec 1938   31.12       33.16       32.80       -2.78         N/A      N/A
Dec 1939   -0.41        1.31        0.35       -0.48         N/A      N/A
Dec 1940   -9.78       -7.96       -5.16        0.96         N/A      N/A
Dec 1941  -11.59       -9.88       -9.00        9.72         N/A      N/A
Dec 1942   20.34       14.12       44.51        9.29         N/A      N/A
Dec 1943   25.90       19.06       88.37        3.16         N/A      N/A
Dec 1944   19.75       17.19       53.72        2.11         N/A      N/A
Dec 1945   36.44       31.60       73.61        2.25         N/A      N/A
Dec 1946   -8.07       -4.40      -11.63       18.16         N/A      N/A
Dec 1947    5.71        7.61        0.92        9.01         N/A      N/A
Dec 1948    5.50        4.27       -2.11        2.71         N/A      N/A
Dec 1949   18.79       20.92       19.75       -1.80         N/A      N/A
Dec 1950   31.71       26.40       38.75        5.79         N/A      N/A
Dec 1951   24.02       21.77        7.80        5.87         N/A      N/A
Dec 1952   18.37       14.58        3.03        0.88         N/A      N/A
Dec 1953   -0.99        2.02       -6.49        0.62         N/A      N/A
Dec 1954   52.62       51.25       60.58       -0.50         N/A      N/A
Dec 1955   31.56       26.58       20.44        0.37         N/A      N/A
Dec 1956    6.56        7.10        4.28        2.86         N/A      N/A
Dec 1957  -10.78       -8.63      -14.57        3.02         N/A      N/A
Dec 1958   43.36       39.31       64.89        1.76         N/A      N/A
Dec 1959   11.96       20.21       16.40        1.50         N/A      N/A
Dec 1960    0.47       -6.14       -3.29        1.48         N/A      N/A
Dec 1961   26.89       22.60       32.09        0.67         N/A      N/A
Dec 1962   -8.73       -7.43      -11.90        1.22         N/A      N/A
Dec 1963   22.80       20.83       23.57        1.65         N/A      N/A
Dec 1964   16.48       18.85       23.52        1.19         N/A      N/A
Dec 1965   12.45       14.39       41.75        1.92         N/A      N/A
Dec 1966  -10.06      -15.78       -7.01        3.35         N/A      N/A
Dec 1967   23.98       19.16       83.57        3.04         N/A      N/A
Dec 1968   11.06        7.93       35.97        4.72         N/A      N/A
    



                                       35
<PAGE>


                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT


          S&P 500       Dow      U.S. Small                  S&P/     S&P/
                       Jones       Stock         U.S.       BARRA    BARRA
                    Industrials    Index      Inflation    Growth    Value
- --------------------------------------------------------------------------------

   
Dec 1969   -8.50      -11.78      -25.05        6.11        N/A      N/A
Dec 1970    4.01        9.21      -17.43        5.49        N/A      N/A
Dec 1971   14.31        9.83       16.50        3.36        N/A      N/A
Dec 1972   18.98       18.48        4.43        3.41        N/A      N/A
Dec 1973  -14.66      -13.28      -30.90        8.80        N/A      N/A
Dec 1974  -26.47      -23.58      -19.95       12.20        N/A      N/A
Dec 1975   37.20       44.75       52.82        7.01       31.72    43.38
Dec 1976   23.84       22.82       57.38        4.81       13.84    34.93
Dec 1977   -7.18      -12.84       25.38        6.77      -11.82    -2.57
Dec 1978    6.56        2.79       23.46        9.03        6.78     6.16
Dec 1979   18.44       10.55       43.46       13.31       15.72    21.16
Dec 1980   32.42       22.17       39.88       12.40       39.40    23.59
Dec 1981   -4.91       -3.57       13.88        8.94       -9.81     0.02
Dec 1982   21.41       27.11       28.01        3.87       22.03    21.04
Dec 1983   22.51       25.97       39.67        3.80       16.24    28.89
Dec 1984    6.27        1.31       -6.67        3.95        2.33    10.52
Dec 1985   32.16       33.55       24.66        3.77       33.31    29.68
Dec 1986   18.47       27.10        6.85        1.13       14.50    21.67
Dec 1987    5.23        5.48       -9.30        4.41        6.50     3.68
Dec 1988   16.81       16.14       22.87        4.42       11.95    21.67
Dec 1989   31.49       32.19       10.18        4.65       36.40    26.13
Dec 1990   -3.17       -0.56      -21.56        6.11        0.20    -6.85
Dec 1991   30.55       24.19       44.63        3.06       38.37    22.56
Dec 1992    7.67        7.41       23.35        2.90        5.07    10.53
Dec 1993    9.99       16.94       20.98        2.75        1.68    18.60
Dec 1994    1.31        5.06        3.11        2.78        3.13    -0.64
Dec 1995   37.43       36.84       34.46        2.74       38.13    36.99
Dec 1996   23.07       28.84       17.62        3.58       23.96    21.99
    


                                       36
<PAGE>


                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT



                         Intermediate      MSCI               Long-
          Long-Term       -Term U.S.       EAFE        6     Term U.S.    U.S.
          U.S. Gov't      Government     - Net of    MONTH   Corporate  (30 Day)
            Bonds           Bonds          Taxes      CDs      Bonds    T- Bill
- --------------------------------------------------------------------------------

   
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     0.1              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
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
    



                                       37
<PAGE>


                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT


                         Intermediate      MSCI               Long-
          Long-Term       -Term U.S.       EAFE        6     Term U.S.    U.S.
          U.S. Gov't      Government     - Net of    MONTH   Corporate  (30 Day)
            Bonds           Bonds          Taxes      CDs      Bonds    T- Bill
- --------------------------------------------------------------------------------

   
Dec 1966     3.65           4.69            N/A       5.75     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          29.1            -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    19.3           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          16.8            11.21      5.21    26.39       5.60
Dec 1996    -0.93           2.10            6.05      5.21     1.40       5.21
    



                                       38
<PAGE>


<TABLE>
<CAPTION>
                             RUSSELL                                      LIPPER      MSCI EMERGING
                              2000       WILSHIRE REAL    S&P MIDCAP     BALANCED     MARKETS FREE         BANK
              NAREIT-EQUITY   INDEX         ESTATE           400           FUND           INDEX       SAVINGS ACCOUNT
                                          SECURITIES        INDEX          INDEX
- -----------------------------------------------------------------------------------------------------------------------
<S>               <C>          <C>           <C>             <C>            <C>            <C>             <C>                    
   
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
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
    



                                       39
<PAGE>




                             RUSSELL                                      LIPPER      MSCI EMERGING
                              2000       WILSHIRE REAL    S&P MIDCAP     BALANCED     MARKETS FREE         BANK
              NAREIT-EQUITY   INDEX         ESTATE           400           FUND           INDEX       SAVINGS ACCOUNT
                                          SECURITIES        INDEX          INDEX
- -----------------------------------------------------------------------------------------------------------------------
<S>               <C>          <C>           <C>             <C>            <C>            <C>             <C>                  
   
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        16.53         36.87           19.20          13.01          6.03             4.95
    

</TABLE>



Source:  Lipper



                                       40
<PAGE>


                                   APPENDIX C


                         ADDITIONAL 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, 1996, PMC employed a professional investment staff
of 53, with a combined average of twelve years' experience in the financial
services industry.

         Total assets of all Pioneer mutual funds at December 31, 1996, were
approximately $15.8 billion representing 1,086,554 shareholder accounts, 722,661
non-retirement accounts and 363,893 retirement accounts.
    



                                       41
<PAGE>


                                                              



                                                        

                                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, 1997 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 1997 Annual Report to  Shareholders  for the
                           year ended June 30,  1997  (filed  electronically  on
                           August 22, 1997 file no. 811-02864 ;accession number 
                           0000276776-97-000007).
    
                  (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.     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.    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 Schedule
                           18.      Rule 18f-3 Plan*
                           19.      Powers of Attorney**
                          

   
*  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).
    

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


                                                      Percent     State/Country
                                                        of               of
         Company                          Owned By    Shares      Incorporation


Pioneering Management Corp. (PMC)             PGI     100%          DE
Pioneering Services Corp. (PSC)               PGI     100%          MA
Pioneer Capital Corp. (PCC)                   PGI     100%          MA
Pioneer Fonds Marketing GmbH (GmbH)           PGI     100%          MA
Pioneer SBIC Corp. (SBIC)                     PGI     100%          MA
Pioneer Associates, Inc. (PAI)                PGI     100%          MA
Pioneer International Corp. (Pint)            PGI     100%          MA
Pioneer Plans Corp. (PPC)                     PGI     100%          MA
Pioneer Goldfields Ltd (PGL)                  PGI     100%          MA
Pioneer Investments Corp. (PIC)               PGI     100%          MA
Pioneer Metals and Technology, Inc. (PMT)     PGI     100%          DE
Pioneer First Polish Trust Fund
  Joint Stock Co. (First Polish)              PGI     100%      Poland
Teberebie Goldfields Ltd. (TGL)               PGI      90%       Ghana
Pioneer Funds Distributor, Inc. (PFD)         PMC     100%          MA
SBIC's outstanding capital stock              PCC     100%          MA

THE FUNDS:  All are parties to management contracts with PMC.

                                      BUSINESS
        FUND                          TRUST

Pioneer International Growth Fund         MA
Pioneer Europe Fund                       MA
Pioneer World Equity Fund                 DE
Pioneer Emerging Markets Fund             DE
Pioneer India Fund                        DE
Pioneer Mid-Cap Fund                      DE
Pioneer Growth Shares                     DE
Pioneer Growth Trust                      MA
Pioneer Micro-Cap 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

OTHER:

 . SBIC is the sole general partner of Pioneer  Ventures Limited  Partnership,  a
Massachusetts limited partnership.  
 . ITI Pioneer AMC Ltd. (ITI Pioneer)(Indian  Corp.),  is a joint venture  
between PMC and Investment  Trust of India Ltd.  (ITI)  (Indian  Corp.)  
 . ITI  and  PMC own  approximately  54%  and  45%,
respectively, of the total equity capital of ITI Pioneer.


<PAGE>


                                            JOHN F. COGAN, JR.

Owns approximately 14% of the outstanding shares of PGI.


                                                  TRUSTEE/
         ENTITY            CHAIRMAN  PRESIDENT   DIRECTOR    OTHER

Pioneer Family
  of Mutual Funds               X        X        X

PGL                             X        X        X

PGI                             X        X        X

PPC                                      X        X

PIC                                      X        X

Pintl                                    X        X

PMT                                      X        X

PCC                                               X

PSC                                               X

PMC                            X                  X

PFD                            X                  X

TGL                            X                  X

First Polish                   X                 Member of
                                                 Supervisory
                                                 Board

Hale and Dorr LLP                                Partner

GmbH                                             Chairman of Supervisory
                                                 Board





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                     None
                       Vice President

Stephen W. Long        Senior                     None
                       Vice President

John W. Drachman       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                  None
                       Vice President

Mary Sue Hoban         Assistant                  None
                       Vice President

William H. Keough      Treasurer                  Treasurer

Roy P. Rossi           Assistant Treasurer        None

Joseph P. Barri        Clerk                      Secretary

Robert P. Nault        Assistant Clerk            Assistant Secretary



                  (c)      Not applicable.



         All of the  information  required by this item is set forth in the Form
ADV, as amended, of the Registrant's Manager, 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 6, Business Background, of each Schedule D.

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

                  The  Registrant is a party to one contract,  described in the
Prospectus and the Statement of Additional Information,  under which it receives
management and advisory services from Pioneering Management Corporation.


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 the requirements
for  effectiveness of this amendment to the Registration  Statement  pursuant to
Rule 485(b) under the  Securities Act of 1933 and has duly caused this amendment
to the  Registration  Statement  to be signed on its behalf by the  undersigned,
thereunto  duly  authorized,  in the  City of  Boston  and The  Commonwealth  of
Massachusetts, on the 24th day of October, 1997.




                                                               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. 25 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 24, 1997
     ----------------------
         John F. Cogan, Jr.
         Attorney-in-fact
    



<PAGE>

                                  Exhibit Index



Exhibit
Number            Document Title


11.               Consent of Arthur Andersen LLP




                    Consent of Independent Public Accountants


As independent public accountants, we hereby consent to the use of our report on
Pioneer  Bond Fund  dated  August 1,  1997 (and to all  references  to our firm)
included in or made a part of Post-Effective  Amendment No. 25 and Amendment No.
24 to Registration Statement File Nos. 2-62436 and 811-02864, respectively.


                                                             ARTHUR ANDERSEN LLP




Boston, Massachusetts
October 27, 1997



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