PIONEER INCOME FUND INC/MA
485BPOS, 1996-04-26
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     As filed with the Securities and Exchange Commission on April 26, 1996
    

                          File Nos. 2-28273; 811-1605-3

                       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. 57                     / X /
    

                                     and/or

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT     
OF 1940                                                     /_X_/
                                                                              
   
        Amendment No. 26                                    /_X_/
    
                        (Check appropriate box or boxes)

                               PIONEER INCOME 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, 60 State Street, Boston, MA 02109
                     (Name and address of agent for service)

It is proposed that this filing will become effective:
   
         X      on April 29, 1996 pursuant to paragraph (b) of Rule 485
        ---

Registrant  has  registered  an  indefinite   amount  of  securities  under  the
Securities Act of 1933 pursuant to Section 24(f) of the  Investment  Company Act
of 1940. Registrant filed a Rule 24f-2 Notice for its fiscal year ended December
31, 1995 on or about February 29, 1996.

                         CALCULATION OF REGISTRATION FEE

Title of       Amount of      Proposed            Proposed
Securities     Shares         Maximum             Maximum           Amount of
Being          Being          Offering            Aggregate         Registration
Registered     Registered     Price Per Unit      Offering Price    Fee      
- ----------     ----------     --------------      --------------    ---      
Shares of
Beneficial     1,052,855      $10.37              $9,242,374.91     $100*
Interest

*This  calculation  has been made  pursuant to Rule 24e-2  under the  Investment
Company  Act of 1940.  During  its fiscal  year ended  December  31,  1995,  the
Registrant redeemed or repurchased  5,060,726 shares of beneficial interest,  of
which  4,035,836  were utilized by the Registrant on its Rule 24f-2 Notice filed
on or about  February 29, 1996 and  1,024,890 are being used herein for purposes
of reducing the filing fee payable herewith under Rule 24e-2. No fee is required
for the registration of such 1,024,890 shares. An additional 27,965 shares being
registered  hereby are valued at the public offering price of $10.37 as of April
18, 1996.
    

<PAGE>

                               PIONEER INCOME 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
Form N-1A Item Number and Caption                 Additional 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
                                                  Objective, Policies, and
                                                  Risks; The Fund

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

6.    Capital Stock and Other Securities....      Prospectus -Investment
                                                  Objective, Policies, and
                                                  Risks; 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

11.   Table of Contents.....................      Statement of Additional
                                                  Information - Cover Page
<PAGE>
                                                  Location in Prospectus
                                                     or Statement of
Form N-1A Item Number and Caption                 Additional Information


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

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;
                                                  Shareholder Servicing/Transfer
                                                  Agent; Underwriting Agreement
                                                  and Distribution Plans;
                                                  Custodian; Independent
                                                  Accountants

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

   
18.   Capital Stock and Other Securities....      Statement of Additional
                                                  Information - Shares of the
                                                  Fund; Shareholder and Trustee
                                                  Liability
    

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

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

                                      -2-
<PAGE>

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

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..................      Balance Sheet; Report of
                                                  Independent Public Accountants











                                      -3-
<PAGE>
                                                                 [Pioneer logo]

Pioneer
Income
Fund
   
Prospectus
Class A, Class B and Class C Shares
April 29, 1996


   Pioneer Income Fund (the "Fund") seeks current income consistent with the
preservation and conservation of capital. Growth of capital is a secondary
consideration. The Fund invests in dividend-paying common stocks, preferred
stocks, bonds and debentures which may or may not be convertible into common
stocks.
    
   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
other 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
consider before investing. Please read and retain it for future reference.
More information about the Fund is included in the Statement of Additional
Information, dated April 29, 1996, which is incorporated by reference into
this Prospectus. 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.
    

                            TABLE OF CONTENTS                     PAGE
- --------     -------------------------------------------------    -----
I.           EXPENSE INFORMATION                                    2
II.          FINANCIAL HIGHLIGHTS                                   3
III.         INVESTMENT OBJECTIVE, POLICIES AND RISKS               5
IV.          MANAGEMENT OF THE FUND                                 7
V.           FUND SHARE ALTERNATIVES                                8
VI.          SHARE PRICE                                            8
VII.         HOW TO BUY FUND SHARES                                 9
VIII.        HOW TO SELL FUND SHARES                               12
IX.          HOW TO EXCHANGE FUND SHARES                           13
X.           DISTRIBUTION PLANS                                    13
XI.          DIVIDENDS, DISTRIBUTIONS AND TAXATION                 14
XII.         SHAREHOLDER SERVICES                                  15
              Account and Confirmation Statements                  15
              Additional Investments                               15
              Automatic Investment Plans                           15
              Financial Reports and Tax Information                15
              Distribution Options                                 15
              Directed Dividends                                   15
              Direct Deposit                                       15
              Voluntary Tax Withholding                            15
              Telephone Transactions and Related Liabilities       15
              FactFoneSM                                           16
              Retirement Plans                                     16
              Telecommunications Device for the Deaf (TDD)         16
              Systematic Withdrawal Plans                          16
              Reinstatement Privilege (Class A only)               16
XIII.        THE FUND                                              16
XIV.         INVESTMENT RESULTS                                    17

THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE COMMISSION
OR ANY STATE SECURITIES 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 on actual
expenses for the fiscal year ended December 31, 1995. For Class C shares,
operating expenses are based on estimated expenses that would have been
incurred if Class C shares had been outstanding for the fiscal year ended
December 31, 1995.

Shareholder Transaction Expenses:          Class A     Class B      Class C(+)
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               None(1)     4.00%       1.00%
Redemption Fee2                             None        None        None
Exchange Fee                                None        None        None
Annual Operating Expenses
  (as a percentage of average net
  assets):
Management Fees                             0.48%       0.48%       0.48%
12b-1 Fees                                  0.25%       1.00%       1.00%
Other Expenses
   (including accounting and transfer
   agent fees, custodian fees and
   printing expenses)                       0.38%       0.30%       0.30%
                                             ------      ------      ---------
Total Operating Expenses:                   1.11%       1.78%       1.78%
                                             ======      ======      =========

(+) Class C shares were first offered on January 31, 1996.

(1) Purchases of $1,000,000 or more and purchases by participants in certain
    group plans 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 dollar amounts on a $1,000 investment in the
Fund, assuming 5% annual return and redemption at the end of each of the time
periods:

   
                                   1 Year     3 Years    5 Years    10 Years
Class A Shares                      $56         $79       $103        $174
Class B Shares
  --Assuming complete
  redemption at  end of period      $58         $86       $116        $192*
- --Assuming no redemption            $18         $56       $ 96        $192*
Class C Shares**
  --Assuming complete
  redemption at  end of period      $28         $56       $ 96        $209
- --Assuming no redemption            $18         $56       $ 96        $209

 *Class B shares convert to Class A shares eight years after purchase;
  therefore, Class A expenses are used after year eight.
**Class C shares redeemed during the first year after purchase are subject to
  a 1% CDSC.
    

   The example above assumes reinvestment of all dividends and distributions
and that the percentage amounts listed under "Annual Operating Expenses"
remain the same each year.

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

   For further information regarding management fees, 12b-1 fees and other
expenses of the Fund, including information regarding the basis upon which
management fees and 12b-1 fees are paid, see "Management of the Fund,"
"Distribution Plans" and "How To Buy Fund Shares" in this Prospectus and
"Management of the Funds" and "Underwriting Agreement and Distribution Plans"
in the Statement of Additional Information. The Fund's imposition of a Rule
12b-1 fee may result in long-term shareholders indirectly paying more than
the economic equivalent of the maximum sales charge permitted under the Rules
of Fair Practice of the National Association of Securities Dealers, Inc.
("NASD").

   The maximum initial sales charge is reduced on purchases of specified
larger amounts of Class A shares and the value of 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 the Fund for shares of other publicly
available Pioneer mutual funds. See "How to Exchange Fund Shares."

                                      2
<PAGE>

II. FINANCIAL HIGHLIGHTS

   
  The following information for the year ended December 31, 1995 has been
derived from financial statements of the Fund which have been audited by
Arthur Andersen LLP, independent public accountants. Arthur Andersen LLP's
report on the Fund's financial statements appears in the Fund's Annual Report
which is incorporated by reference into the Statement of Additional
Information. The information for the years from 1986 through 1993 has been
derived from financial statements which were audited by the Fund's then
independent public accountants, Coopers & Lybrand. Class C shares is a new
class of shares; no financial highlights exist for Class C shares. 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.
    

PIONEER INCOME FUND
Selected Data For a Class A Share Outstanding For The Years Presented

<TABLE>
<CAPTION>
                                                                      For the Year Ended December 31,+
                                                           -----------------------------------------------------
                                                             1995       1994       1993       1992        1991
                                                            -------    -------    -------    -------   ---------
<S>                                                        <C>        <C>        <C>        <C>         <C>
Net asset value, beginning of year                         $   9.11   $  10.21   $  10.13   $  10.14    $   9.14
                                                              -----      -----      -----      -----      -------
Increase (decrease) from investment operations--
 Net investment income                                     $   0.66   $   0.66   $   0.65   $   0.65    $   0.65
 Net realized and unrealized gain (loss) on investments        1.29      (1.09)      0.37       0.09        1.00
                                                              -----      -----      -----      -----      -------
  Net increase (decrease) from investment operations       $   1.95   $  (0.43)  $   1.02   $   0.74    $   1.65
Distribution to shareholders from--
 Net investment income                                        (0.65)     (0.67)     (0.64)     (0.66)      (0.65)
 Net realized capital gains                                   (0.11)      0.00      (0.30)     (0.09)       0.00
                                                              -----      -----      -----      -----      -------
Net increase (decrease) in net asset value                 $   1.19   $  (1.10)  $   0.08   $  (0.01)   $   1.00
                                                              -----      -----      -----      -----      -------
Net asset value, end of year                               $  10.30   $   9.11   $  10.21   $  10.13    $  10.14
                                                              =====      =====      =====      =====      =======
Total return1                                                 22.00%     (4.31%)    10.24%      7.59%      18.62%
Ratio of net operating expenses to average net assets          1.13%+++     1.11%     1.06%     0.99%       1.04%
Ratio of net investment income to average net assets           6.58%+++     7.07%     6.52%     6.47%       6.73%
Portfolio turnover rate                                          25%        50%        69%        54%         43%
Net assets end of year (in thousands)                      $281,639   $259,970   $296,699   $250,033    $197,184
Ratios assuming a reduction for fees paid indirectly:
  Net operating expenses                                       1.11%
  Net investment income                                        6.60%
</TABLE>

<TABLE>
<CAPTION>
                                                                      For the Year Ended December 31,+
                                                           -----------------------------------------------------
                                                             1990       1989       1988       1987        1986
                                                            -------    -------    -------    -------   ---------
<S>                                                        <C>        <C>        <C>        <C>        <C>
Net asset value, beginning of year                         $   9.53   $   8.92   $   8.67   $   8.94    $   9.17
                                                              -----      -----      -----      -----      -------
Increase (decrease) from investment operations--
 Net investment income                                     $   0.70   $   0.74   $   0.77   $   0.76    $   0.80
 Net realized and unrealized gain (loss) on investments       (0.38)      0.63       0.27      (0.14)       0.04
                                                              -----      -----      -----      -----      -------
  Net increase (decrease) from investment operations       $   0.32   $   1.37   $   1.04   $   0.62    $   0.84
Distribution to shareholders from--
 Net investment income                                        (0.71)     (0.75)     (0.76)     (0.76)      (0.80)
 Net realized capital gains                                    0.00      (0.01)     (0.03)     (0.13)      (0.27)
                                                              -----      -----      -----      -----      -------
Net increase (decrease) in net asset value                 $  (0.39)  $   0.61   $   0.25   $  (0.27)   $  (0.23)
                                                              -----      -----      -----      -----      -------
Net asset value, end of year                               $   9.14   $   9.53   $   8.92   $   8.67    $   8.94
                                                              =====      =====      =====      =====      =======
Total return1                                                  3.59%     15.89%     12.29%      6.82%       9.29%
Ratio of net operating expenses to average net assets          0.94%      0.78%      0.80%      0.79%       0.77%
Ratio of net investment income to average net assets           7.67%      7.98%      8.55%      8.29%       8.46%
Portfolio turnover rate                                          44%        69%        87%       115%         76%
Net assets end of year (in thousands)                      $166,205   $169,607   $159,212   $149,659    $118,760
Ratios assuming a reduction for fees paid indirectly:
  Net operating expenses
  Net investment income
</TABLE>

   
 + Prior to December 1, 1993, Mutual of Omaha Fund Management Company ("FMC")
   acted as the investment adviser to the Fund.
++ Ratios include fees paid indirectly.
    

 1 Assumes initial investment at net asset value at the beginning of each
   year, reinvestment of all distributions, the complete redemption of the
   investment at net asset value at the end of each year, and no sales
   charges. Total return would be reduced if sales charges were taken into
   account.

                                      3
<PAGE>

   
II. FINANCIAL HIGHLIGHTS (continued)

PIONEER INCOME FUND
Selected Data For a Class B Share Outstanding For The Years Presented

<TABLE>
<CAPTION>
                                                           April 28, 1995
Class B***                                              to December 31, 1995
                                                        --------------------
<S>                                                            <C>
Net asset value, beginning of period                           $ 9.55
                                                           ------------------
Increase from investment operations:
  Net investment income                                        $ 0.39
 Net realized and unrealized gain on investments                 0.90
                                                           ------------------
  Total increase from investment operations                    $ 1.29
Distributions to shareholders from:
 Net investment income                                          (0.46)
 Net realized gain                                              (0.11)
                                                           ------------------
Net increase in net asset value                                $ 0.72
                                                           ------------------
Net asset value, end of period                                 $10.27
                                                           ==================
Total return*                                                   13.74%
Ratio of net operating expenses to average net
  assets                                                         1.88%**+
Ratio of net investment income to average net assets             5.83%**+
Portfolio turnover rate                                            25%
Net assets, end of period (in thousands)                       $1,800
Ratios assuming reduction for fees paid indirectly:
 Net operating expenses                                          1.78%**
 Net investment income                                           5.93%**
</TABLE>

  + Ratios assuming no reductuion 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.
*** Class B shares were first offered on April 28, 1995.
    


                                      4
<PAGE>

III. INVESTMENT OBJECTIVE, POLICIES AND RISKS

  The investment objective of the Fund is to seek current income consistent
with the preservation and conservation of capital. Growth of capital is a
secondary consideration. The Fund invests in dividend-paying common stocks,
together with preferred stocks, bonds and debentures which may or may not be
convertible into common stocks. In selecting securities for investment, the
investment adviser attempts to identify companies that have
better-than-average earnings potential and those industries that stand to
enjoy the greatest benefit from the predicted economic environment. The Fund
seeks to purchase the securities of companies that are thought to be best
situated in those industry groupings. Since capital appreciation is a
secondary consideration, the growth potential of companies is also
considered. The Fund invests in many different companies in a variety of
industries in an attempt to reduce its overall exposure to investment and
market risks.

   
  In pursuing its objective, the Fund purchases portfolio securities with the
view of retaining them on a long-term basis. Securities in the Fund's
portfolio will be sold whenever PMC believes that it is necessary without
regard to the length of time the particular security may have been held. This
policy is subject to certain requirements for continuing the Fund's
qualification as a regulated investment company under the Internal Revenue
Code of 1986, as amended (the "Code"). A high portfolio turnover rate (100%
or more) involves greater expenses to the Fund and may increase the
possibility of shareholders realizing taxable capital gains. See "Financial
Highlights" for actual turnover rates.
    

  Part or all of the Fund's assets may be temporarily invested in securities
of the U.S. government, its agencies or instrumentalities, commercial paper,
bank certificates of deposit and time deposits, bankers' acceptances, other
fixed income securities and repurchase agreements with banks and
broker-dealers with respect to any of the foregoing instruments. At times,
the investment adviser may believe that such investments are desirable due to
present or anticipated market or economic conditions which are affecting or
could affect the values of the Fund's investments, as well as for liquidity
purposes or as a temporary investment, pending investment in primary
securities.

Risk Factors

  The Fund may invest up to 35% of its net assets in lower rated or unrated
debt securities. These securities involve greater risk of default or price
declines due to changes in the issuer's creditworthiness than
investment-grade securities. Because of its investment in lower rated
securities, the Fund may be more dependent upon the investment adviser's
credit analysis in seeking to achieve its investment objective than a fund
that only invested in higher rated securities. Because the market for such
securities may be thinner and less active than for higher rated securities,
there may be market price volatility for these securities and limited
liquidity in the resale market. These factors may have the effect of limiting
the ability of the Fund to sell such securities at their fair value either in
response to changes in the economy or the financial markets or to meet
redemption requests. An investment in the Fund may involve greater risk than
an investment in a fund which can invest only in investment-grade securities.

   
  The market for high yield, non-investment grade securities (commonly
referred to as junk bonds) grew primarily during a period of long economic
expansion and it is uncertain how the market would perform during a severe or
prolonged economic downturn. An economic downturn or an increase in interest
rates could severely disrupt the market for these securities and adversely
affect the value of outstanding securities and the ability of the issuers to
repay principal and interest. In addition, provisions of current tax law
limit the tax advantages of certain high yield securities, which may limit
their supply. Future legislation could adversely affect the market value of
these securities and, consequently, the Fund's net asset value.

  If market quotations are not readily available for the Fund's lower rated or
unrated securities, these securities will be valued by a method that the
Board of Trustees of the Fund believes accurately reflects their fair value.
Judgment plays a greater role in valuation of lower rated securities and such
valuation becomes more difficult because there is less reliable, objective
data available on such securities. For year-end 1995, 36% of the Fund's net
assets were invested in equity securities, 3% in cash and equivalents and 60%
in debt securities. Of the Fund's net assets, 16% were invested in debt
securities rated AAA/Aaa by Standard & Poor's Ratings Group ("S&P") and/or
Moody's Investors Service, Inc. ("Moody's"), 2% rated AA/Aa, 7% rated A/A,
19% rated BBB/Baa, 13% rated BB/Ba and 13% rated B/B. Only 1% of the Fund's
net assets were unrated and they were determined to be comparable in quality
to AAA/Aaa and BB/Ba rated debt securities. Securities rated BB/Ba or below
(or comparable unrated securities) are considered speculative, and payments
of principal and interest thereon may be questionable. See Appendix A to the
Fund's Statement of Additional Information for a discussion of bond ratings.
    

Writing Covered Call Options

  The Fund does not invest in puts, calls, straddles, spreads or any
combination thereof. However, in order to preserve capital and increase
income, the Fund may write covered call options on securities if: (1) such
calls are listed on a national securities exchange, (2) when any such call is
written and at all times prior to a closing purchase transaction as to such
call, or its lapse or exercise, the Fund owns the securities which are
subject to the call or has the right to acquire such securities without the
payment of further consideration, and (3) after any such call is written, not
more than 25% of the value of the Fund's total assets would be subject to
calls. Calls may be purchased only to effect a "closing purchase transaction"
as to any call written in accordance with the foregoing.

   
  The Fund will write only call options which are covered, which means that
the Fund will own, so long as the option is outstanding, the underlying
security, or own securities convertible into or carrying rights to acquire
such securities without payment of additional consideration. The Fund's
obligation with respect to an option is extinguished by its exercise or
expiration or by the Fund's purchase of a call option covering the same
underlying securities and having the same exercise price and expiration
    


                                      5
<PAGE>

date as the option that the Fund has written. The Fund will receive a premium
for writing a call option, but gives up, until the expiration date, the
opportunity to profit from an increase in the underlying security price above
the exercise price. The Fund will retain the risk of loss from a decrease in
the price of the underlying security.

Restricted and Illiquid Securities

   
  The Fund may invest in restricted securities (i.e., securities that would be
required to be registered prior to distribution to the public), including
securities eligible for resale to "qualified institutional buyers" in
accordance with Rule 144A under the Securities Act of 1933. In addition, the
Fund will not invest more than 15% of its net assets in illiquid securities,
which includes repurchase agreements maturing in more than seven days,
securities that are not readily marketable and restricted securities sold and
offered under Rule 144A that are illiquid either as a result of legal or
contractual restrictions or the absence of a trading market.

  The Board of Trustees of the Fund may adopt guidelines and delegate to the
investment adviser the daily function of determining and monitoring the
liquidity of restricted securities. The Board of Trustees, however, will
retain sufficient oversight and be ultimately responsible for the
determinations. Since it is not possible to predict with assurance exactly
how the market for restricted securities eligible for resale pursuant to Rule
144A will continue to develop, the Board of Trustees will carefully monitor
the Fund's investments in these securities, focusing on such important
factors, among others, as valuation, liquidity and availability of
information. This investment practice could have the effect of increasing the
level of illiquidity in the Fund to the extent that qualified institutional
buyers become for a time uninterested in purchasing these restricted
securities.
    

  The purchase price and subsequent valuation of restricted securities
normally reflect a discount from the price at which such securities trade
when they are not restricted, to the extent that the restriction makes them
less liquid. The amount of the discount from the prevailing market price is
expected to vary depending upon the type of security, the character of the
issuer, the party who will bear the expenses of registering the restricted
securities and prevailing supply and demand conditions.

Foreign Securities

   
  The Fund may invest up to 30% of its assets at the time of investment in
listed and unlisted foreign securities. While such investments are intended
to reduce risk by permitting greater diversification of the Fund's portfolio,
investments in securities of foreign issuers entail certain risks not
associated with investments in domestic issuers. Such risks include
fluctuations in foreign currency exchange rates; possible expropriation or
nationalization of foreign companies; imposition of exchange control
regulations; currency blockage or dividends or interest withheld at the
source; unfavorable price spreads on currency exchanges; higher transaction
costs; less public information about issuers of securities; lack of uniform
auditing, accounting and financial reporting standards; less governmental
regulation of foreign stock exchanges and brokers; less liquidity and greater
volatility of securities of foreign companies; or imposition of foreign
taxes. Therefore, the Fund intends to invest primarily in the companies
organized under the laws of those nations which are considered as having
relatively stable and friendly governments, e.g., major industrialized
nations such as the United Kingdom, France, Canada, Germany and Japan.
    

Lending of Portfolio Securities

  The Fund may seek to increase its income by lending portfolio securities,
provided that the value of the securities loaned would not exceed one-third
of the value of the total assets of the Fund. Under present regulatory
policies, such loans may be made to institutions, such as certain broker-
dealers, and are required to be secured continuously by collateral in cash,
cash equivalents, or U.S. government securities maintained on a current basis
in an amount at least equal to the market value of the securities loaned. The
Fund may experience loss or delay in the recovery of its securities if the
institution with which it has engaged in a portfolio loan transaction
breaches its agreement with the Fund.

When Issued Securities

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

Repurchase Agreements

  A repurchase agreement is an instrument under which the purchaser acquires
ownership of the obligation but the seller agrees, at the time of sale, to
repurchase the obligation at a mutually agreed upon time and price. The
resale price is in excess of the purchase price and reflects an agreed upon
market rate unrelated to the coupon rate on the purchased security. Such
transactions afford an opportunity for the Fund to invest temporarily
available cash. In the event of the insolvency of the seller, or an order to
stay execution of an agreement by a court or regulatory authority, the Fund
could incur costs before being able to sell the underlying obligations and
the Fund's realization of the underlying obligations could be delayed or
limited, which could adversely affect the price the Fund receives for such
obli-

                                      6
<PAGE>


gations. There is also a risk that the seller may fail to repurchase the
underlying obligations in which case the Fund may incur possible disposition
costs and a loss if the proceeds of the sale of such obligations to a third
party are less than the repurchase price. To guard against these
possibilities, the investment adviser, under guidelines established by the
Fund's Board of Trustees, will evaluate the creditworthiness of the seller.
The Fund will enter into repurchase agreements only with those institutions
that the investment adviser believes present minimal credit risks and which
furnish collateral at least equal in value or market price to the amount of
the repurchase obligations. Repurchase agreements maturing in more than seven
days are considered by the Fund to be illiquid.

   
Price Fluctuation
    

  Because prices of securities fluctuate from day to day, the value of an
investment in the Fund will vary based upon the Fund's investment
performance. The value of your shares in the Fund may, at any time, be higher
or lower than your original cost. The Fund may invest in debt securities with
varying maturities. In general, the longer the maturity of a security, the
higher the yield and the greater the potential for price fluctuations. A
decline in interest rates generally produces an increase in the value of debt
securities in the Fund's portfolio, while an increase in interest rates
usually reduces the value of these securities.

Additional Restrictions

  In addition to the investment objective and policies discussed above, the
Fund's investments are subject to other restrictions which are described in
its Statement of Additional Information. Unless otherwise stated, the Fund's
investment objective and restrictions are considered fundamental and cannot
be changed without shareholder approval. Unless expressly designated as a
fundamental policy, the Fund's investment policies may be changed without
shareholder approval by the Board of Trustees of the Fund.

IV. MANAGEMENT OF THE FUND

  The Board of Trustees of the Fund has overall responsibility for management
and supervision of such Fund. There are currently eight Trustees, six of whom
are not "interested persons" of the Fund as defined in the Investment Company
Act of 1940 (the "1940 Act"). The Board meets at least quarterly. By virtue
of the functions performed by Pioneering Management Corporation ("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 of and general
background information regarding each Trustee and executive officer of the
Fund.

  Each domestic fixed income portfolio managed by PMC, including the Fund, is
overseen by the Domestic Fixed Income Portfolio Management Committee, which
consists of PMC's most senior domestic fixed income professionals. The
committee is chaired by Mr. David Tripple, PMC's President and Chief
Investment Officer and Executive Vice President of each of the Pioneer mutual
funds. Mr. Tripple joined PMC in 1974 and has had general responsibility for
PMC's investment operations and specific portfolio assignments for over five
years. Fixed income investments at PMC, including those made on behalf of the
Fund, are under the general supervision of Mr. Sherman Russ, a Senior Vice
President of PMC. Mr. Russ joined PMC in 1983. Messrs. John A. Carey and Russ
have been the investment managers primarily responsible for the day-to-day
management of the Fund since December 1, 1993. Mr. Carey joined PMC in 1979
and is Vice President of PMC and the Fund.

   
  The Fund is managed under a contract with PMC. PMC serves as investment
adviser to the Fund and is responsible for the overall management of the
Fund's business affairs, subject only to the authority of the Fund's 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.

   
  Under the terms of its contract with the Fund, PMC provides the Fund with an
investment program consistent with its investment objective and policies. PMC
furnishes the Fund with office space, equipment and personnel for managing
the affairs of the Fund. PMC also pays all expenses in connection with the
management of the affairs of the Fund except (i) 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; (ii) the charges and expenses of auditors; (iii) the
charges and expenses of any custodian, transfer agent, plan agent, dividend
disbursing agent and registrar appointed by the Fund; (iv) issue and transfer
taxes, chargeable to the Fund in connection with securities transactions to
which the Fund is a party; (v) 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; (vi)
fees and expenses involved in registering and maintaining registrations of
the Fund and/or its shares with the SEC, state or blue sky securities
agencies and foreign countries, including the preparation of Prospectuses and
Statements of Additional Information for filing with regulatory agencies;
(vii) 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; (viii) charges and
expenses of legal counsel to the Fund and the Trustees; (ix) distribution
fees paid by the Fund in accordance with Rule 12b-1 promulgated by the SEC
pursuant to the 1940 Act; (x) 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; (xi) the cost of preparing and printing share
certificates; and (xii) interest on borrowed money, if any. In addition to
the expenses described above, the Fund shall pay all brokers' and
underwriting commissions
    


                                      7
<PAGE>

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 where 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 the Fund or other Pioneer mutual funds. See the Statement of
Additional Information for a further description of PMC's brokerage
allocation practices.

  As compensation for its management services for the Fund and certain
expenses which PMC incurs, PMC is entitled to a management fee from the Fund
at the annual rates set forth below as a percentage of average daily net
assets:

   

                       Net Assets                           Annual Fee
- -------------------------------------------------------    -------------
For assets up to $250,000,000                                   .50%
For assets in excess of $250,000,000 to $300,000,000            .48%
Over $300,000,000                                               .45%


  For the fiscal year ended December 31, 1995, the Fund paid a management fee
of $1,306,546 to PMC.

  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 March 31,
1996.
    

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 1.00% of the Fund's average daily net assets attributable to Class B
shares. Your entire investment in Class B shares is available to work for you
from the time you make your investment, but the higher distribution fee paid
by Class B shares will cause your Class B shares (until conversion) to have a
higher expense ratio and to pay lower dividends, to the extent dividends are
paid, than Class A shares. Class B shares will automatically convert to Class
A shares, based on relative net asset value, eight years after the initial
purchase.

   
Class C Shares. Class C shares are sold without an initial sales charge, but
are subject to a 1% CDSC if they are redeemed within the first year after
purchase. Class C shares are subject to distribution and service fees at a
combined annual rate of up to 1.00% 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 or 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 Pioneer mutual fund originally purchased.
Shares sold outside the U.S. to persons who are not U.S. citizens may be
subject to different sales charges, CDSCs and dealer compensation
arrangements in accordance with local laws and business practices.
    

VI. SHARE PRICE

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

  Securities are valued at the last sale price on the principal exchange or
market where they are traded. Securities which have not traded on the date of
valuation or securities for which sales prices are not generally reported are
valued at the mean between the current bid and asked prices. Securities
quoted in foreign currencies are converted to U.S. dollars utilizing foreign
exchange rates employed by the Fund's independent pricing services.
Generally, trading in foreign securities is substantially completed each day
at various times prior to the close of 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

                                      8
<PAGE>

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 their 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 indicated 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 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 Plan
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 pre-designated bank account.
Telephone purchases may not be made for 30 days after the establishment of your
bank of record or any change to your bank information.

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

Class A Shares

   You may buy Class A shares at the public offering price, that is, at the
net asset value per share next computed after receipt of a purchase order,
plus a sales charge as follows:

                                     Sales Charge as a % of
                                      ----------------------      Dealer
                                                                 Allowance
                                                     Net         as a % of
                                      Offering      Amount       Offering
        Amount of Purchase             Price       Invested        Price
 ---------------------------------    ---------    ---------   ------------
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

   
   No sales charge is payable at the time of purchase on investments of
$1,000,000 or more or for 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. 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.
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." In connection with PGI's acquisition of FMC
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.

   The schedule of sales charges above is applicable to purchases of Class A
shares of the Fund by (i) an individual, (ii) an individual and his or her
spouse and children under the age of 21 and (iii) a trustee or other
fiduciary of a trust estate or fiduciary account or related trusts or
accounts including pension, profit-sharing and other employee benefit trusts
qualified under Section 401 or 408 of the Code, although more than one
beneficiary is involved. The sales 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. See the "Letter of Intention" section of the
Account Application.
    


                                      9
<PAGE>

   
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 and 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 persons above; (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 upon 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. Class A shares of the Fund may also be sold 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 for Class A shares are available through an
agreement to purchase a specified quantity of Fund shares over a designated
13-month period by completing the "Letter of Intention" section of the
Account Application. Information about the Letter of Intention procedure,
including its terms, is contained in the Statement of Additional Information.
Investors who are clients of a broker- dealer with a current sales agreement
with PFD may purchase Class A 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 the 60 days immediately preceding the purchase of Class A shares; 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 net asset value without the imposition of an
initial sales charge; however, Class B shares redeemed within six years of
purchase will be subject to a CDSC at the rates shown in the table below. The
charge will be assessed on the amount equal to the lesser of the current
market value or the original purchase cost of the shares being redeemed. No
CDSC will be imposed on increases in account value above the initial purchase
price, including shares derived from the reinvestment of dividends or capital
gains distributions.

  The amount of the CDSC, if any, will vary depending on the number of years
from the time of purchase until the time of redemption of Class B shares. For
the purpose of determining the number of years from the time of any purchase,
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.

Year Since                              CDSC as a Percentage of Dollar
Purchase                                    Amount Subject to CDSC
- -----------------------------------    --------------------------------
First                                                4.0%
Second                                               4.0%
Third                                                3.0%
Fourth                                               3.0%
Fifth                                                2.0%
Sixth                                                1.0%
Seventh and thereafter                               none

  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

                                      10
<PAGE>

to the continuing availability of a ruling from the Internal Revenue Service
("IRS"), for which the Fund is applying, 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 or opinion will be available at
the time any particular conversion would normally occur. The conversion of
Class B shares to Class A shares will not occur if such ruling or opinion is
not available and, therefore, Class B shares would continue to be subject to
higher expenses than Class A shares for an indeterminate period.

   
Class C Shares

  You may buy Class C shares at net asset value 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 1.00%. The charge will be assessed on
the amount equal to the lesser of the current market value or the original
purchase cost of the shares being redeemed. No CDSC will be imposed on
increases in account value above the initial purchase price, including shares
derived from the reinvestment of dividends or capital gains distributions.
Class C shares do not convert to any other Class of Fund shares.

  For the purpose of determining the 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, the
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 partici-
pant 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 70-1/2 may exceed the 10% limit only if
the distribution amount is based on plan assets held by Pioneer); (c) the
distribution is from a 401(a) or 401(k) retirement plan and is a return of
excess employee deferrals or employee contributions or a qualifying hardship
distribution as defined by the Code or results from a termination of
employment (limited with respect to a termination to 10% per year of the
value of the plan's assets in the Fund as of the later of the prior December
31 or the date the account was established unless the plan's assets are being
rolled over to or reinvested in the same class of shares of a Pioneer mutual
fund subject to the CDSC of the shares originally held); (d) the distribution
is from an IRA, 403(b) or employer-sponsored retirement plan and is to be
rolled over to or reinvested in the same class of shares in a Pioneer mutual
fund and which will be subject to the applicable CDSC upon redemption; (e)
the distribution is in the form of a loan to a participant in a plan which
permits loans (each repayment of the loan will constitute a new sale which
will be subject to the applicable CDSC upon redemption); or (f) the
distribution is from a qualified defined contribution plan and represents a
participant's directed transfer (provided that this privilege has been
pre-authorized through a prior agreement with PFD regarding participant
directed transfers).

  The CDSC on Class C shares and on any Class A shares subject to a CDSC may
be waived or reduced as follows: (a) for automatic redemptions as described
in "Systematic Withdrawal Plans" (limited to 10% of the value of the
account); (b) if the redemption results from the death or a total and
permanent disability (as defined in Section 72 of the Code) occurring after
the purchase of the shares being redeemed of a shareowner 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 Class B and Class C shares and on any Class A shares subject to
a CDSC may be waived or reduced for either non-retirement or retirement plan
accounts if: (a) the redemption is made by any state, county, or city, or any
instrumentality, department, authority, or agency thereof, which is
prohibited by applicable laws from paying a CDSC in connection with the
acquisition of shares of any registered investment management company; or (b)
the redemption is made pursuant to the Fund's right to liquidate or
involuntarily redeem shares in a shareholder's account.

Broker-Dealers. An order for any Class of Fund shares received by PFD from a
broker-dealer prior to the close of
    


                                      11
<PAGE>

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 by PFD 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.

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

VIII. HOW TO SELL FUND SHARES

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

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

(bullet) If you are selling shares from a retirement account, you must make
         your request in writing (except for exchanges to other Pioneer 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, 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 in cash, 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 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 situations applies:
    

(bullet) you wish to sell over $50,000 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 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 any other applicable requirements as described
below. Unless instructed otherwise, Pioneer will send the proceeds of the
sale to the address of record. Fiduciaries or 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 and accepted by PSC. Good order means that there are no outstanding
claims or requests to hold redemptions on the account, 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 indicated otherwise on your Account
Application or by writing to PSC. You may redeem up to $50,000 of your shares
by telephone or fax and receive the proceeds by check or by bank wire or
electronic funds transfer. The redemption proceeds must be made payable
exactly as the account is registered. To receive the proceeds by check: 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 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. The telephone
redemption option is not available to retirement plan accounts. 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 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 $1,000,000 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

                                      12
<PAGE>

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 fund will
continue to be subject to the CDSC until the original 12-month period
expires. However, no CDSC is payable upon redemption with respect to Class A
shares purchased by 401(a) or 401(k) retirement plans with 1,000 or more
eligible participants or with at least $10 million in plan assets.

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

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

IX. HOW TO EXCHANGE FUND SHARES

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

   
  Telephone Exchanges. Your account is automatically authorized to have the
telephone exchange privilege unless you indicated otherwise on your Account
Application or by writing to PSC. Proper account identification will be
required for each telephone exchange. Telephone exchanges may not exceed
$500,000 per account per day. Each telephone exchange request, whether by
voice or by FactFone, 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 18th day of the
month.

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 account
opened through an exchange must have a registration identical to that on the
original account.

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

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

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

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

                                      13
<PAGE>

(See "How to Buy Fund Shares"); and (iii) reimbursement to PFD for expenses
incurred in providing services to Class A shareholders and supporting
broker-dealers and other organizations (such as banks and trust companies) in
their efforts to provide such services. Banks are currently prohibited under
the Glass- Steagall Act from providing certain underwriting or distribution
services. If a bank was prohibited from acting in any capacity or providing
any of the described services, management would consider what action, if any,
would be appropriate.

  Expenditures of the Fund pursuant to the Class A Plan are accrued daily and
may not exceed 0.25% of the Fund's average daily net assets attributable to
Class A shares. Distribution expenses of PFD are expected to substantially
exceed the distribution fees paid by the Fund in a given year. The Class A
Plan 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 Plan and the Class C Plan 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 and Class C shares. PFD
also receives the proceeds of any CDSC imposed on the redemption of Class B
and 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.

  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 Plan or 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.
    

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 taxes on income and capital gains
distributed to shareholders at least annually.

  Under the Code, the Fund will be subject to a nondeductible 4% federal
excise tax on a portion of its undistributed 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.

   
  The Fund's policy is to pay to shareholders dividends from net investment
income, if any, quarterly in March, June, September and December and to make
distributions from net long-term capital gains, if any, usually in December.
Distributions from net short-term capital gains, if any, may be paid with
such dividends; distributions from income and/or capital gains may also be
made at such other times as may be necessary to avoid federal income or
excise tax. Dividends from the Fund's net investment income, certain net
foreign exchange gains and net short-term capital gains realized by the Fund
are taxable as ordinary income. Dividends from the Fund's net long-term
capital gains are taxable as long-term capital gains.

  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
above whether a shareholder takes them in cash or reinvests them in
additional shares of the Fund. Information as to the federal tax status of
dividends and distributions will be provided to shareholders annually. For
further information on the distribution options available to shareholders,
see "Distribution Options" and "Directed Dividends" below.
    

  Distributions by the Fund of the dividend income it receives from U.S.
domestic corporations, if any, may qualify for the corporate
dividends-received deduction for corporate shareholders, subject to minimum
holding-period requirements and debt-financing restrictions under the Code.

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

   
  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
    


                                      14
<PAGE>

not provided with the shareholder's correct taxpayer identification number
and certification that the number is correct and the shareholder is not
subject to 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. Non-U.S. shareholders and tax-exempt shareholders
are subject to different tax treatment that is not described above.
Shareholders should consult their own tax advisers regarding state, local and
other applicable tax laws.

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 Pioneering Services Corporation, P.O.
Box 9014, Boston, Massachusetts 02205-9014. Brown Brothers Harriman & Co.
(the "Custodian") serves as custodian of the Fund's portfolio 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
details of transactions are sent to shareholders as transactions occur,
except Automatic Investment Plan transactions which are confirmed quarterly.
The Combined Account Statement, mailed quarterly, is available to
shareholders who have more than one Pioneer 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 which might not be available are
investment or redemption of shares by mail, automatic reinvestment of
dividends and capital gains distributions, withdrawal plans, Letters of
Intention, Rights of Accumulation, telephone exchanges and redemptions, and
newsletters.

Additional Investments

  You may add to your account by sending a check (minimum of $50 for Class A
shares and $500 for Class B 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 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 pre-authorized draft drawn on a checking
account. Pioneer Investomatic Plan investments are voluntary, and you may
discontinue the Plan at any time 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 semiannually.
In January of each year, the Fund will mail you information about the tax
status of dividends and distributions.

Distribution Options

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

Directed Dividends

   
  You may elect (in writing) to have the dividends paid by one Pioneer mutual
fund account invested in a second Pioneer 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, and 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 tele-
phone transaction privileges unless you indicated otherwise on your Account
Application or by writing to PSC. You may purchase, sell or exchange Fund
shares by telephone. See "Share Price" for more information. For personal
assistance, call 1-800-225-6292 between 8:00 a.m. and 9:00 p.m. East-
    


                                      15
<PAGE>

ern Time on weekdays. Computer-assisted transactions may be available to
shareholders who have pre-recorded certain bank information (see
"FactFoneSM"). You are strongly urged to consult with your financial
representative prior to requesting any telephone transaction. To confirm that
each transaction instruction received by telephone is genuine, 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 mutual fund shareholders by dialing 1-800-225-4321.
FactFoneSM allows you to obtain current information on your Pioneer mutual
fund accounts and to inquire about the prices and yields of all publicly
available Pioneer mutual funds. In addition, you may use FactFone(SM) to make
computer-assisted telephone purchases, exchanges and redemptions from your
Pioneer accounts if you have activated your PIN. Telephone purchases and
redemptions require the establishment of a bank account of record. You are
strongly urged to consult with your financial representative prior to
requesting any telephone transaction. Shareholders whose accounts are
registered in the name of a broker-dealer or other third party may not be
able to use FactFoneSM. See "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

  You should contact the Retirement Plans Department of PSC at 1-800-622-0176
for information relating to retirement plans for businesses, age-weighted
profit sharing plans, Simplified Employee Pension Plans, IRAs, 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 any of these
plans. Separate applications are required.

Telecommunications Device for the Deaf (TDD)

  If you have a hearing disability and your own TDD keyboard equipment, you
can call our TDD number toll- free at 1-800- 225-1997, weekdays from 8:30
a.m. to 5:30 p.m. Eastern Time to contact our telephone representatives with
questions about your account.

Systematic Withdrawal Plans

   
  If your account has a total value of at least $10,000 you may establish a
Systematic Withdrawal Plan ("SWP") providing for fixed payments at regular
intervals. Withdrawals from Class B and Class C share accounts will be
limited to 10% of the value of the account at the time the plan 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. If you direct that withdrawal
checks be paid to another person 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
reinvestment occurs. Subject to the provisions outlined under "How to
Exchange Fund Shares" above, you may also reinvest in Class A shares of other
Pioneer mutual funds; in this case you must meet the minimum investment
requirements 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 request by calling 1-800-225-6292.

XIII. THE FUND

   
  The Fund, an open-end, diversified management investment company (commonly
referred to as a mutual fund), was established as a Nebraska corporation on
January 19, 1968 and reorganized as a Delaware business trust on June 30,
1994. The Fund has authorized an unlimited number of shares of beneficial
    


                                      16
<PAGE>

interest. As an open-end management investment company, the Fund continuously
offers its shares to the public and under normal conditions must redeem its
shares upon the demand of any shareholder at the then current net asset value
per share. See "How to Sell Fund Shares." The Fund is not required, and does
not intend, to hold annual shareholder meetings although special meetings may
be called for the purpose of electing or removing Trustees, changing
fundamental investment restrictions or approving a management contract.

   
  The Fund reserves the right to create and issue additional series of shares.
The Trustees have the authority, without further shareholder approval, to
classify and reclassify the shares of the Fund, or any new series, into one
or more classes. As of the date of this Prospectus, the Trustees have
authorized the issuance of three classes of shares, designated as 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.
    

  In addition to the requirements under Delaware law, the Declaration of Trust
provides that a shareholder of the Fund may bring a derivative action on
behalf of the Fund only if the following conditions are met: (a) shareholders
eligible to bring such derivative action under Delaware law who hold at least
10% of the outstanding shares of the Fund, or 10% of the outstanding shares
of the series or class to which such action relates, shall join in the
request for the Trustees to commence such action; and (b) the Trustees must
be afforded a reasonable amount of time to consider such shareholder request
and investigate the basis of such claim. The Trustees shall be entitled to
retain counsel or other advisers in considering the merits of the request and
shall require an undertaking by the shareholders making such request to
reimburse the Fund for the expense of any such advisers in the event that the
Trustees determine not to bring such action.

  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 certificates.

XIV. INVESTMENT RESULTS

  The Fund may from time to time include yield information for each Class of
Fund shares in advertisements or in information furnished generally to
existing or proposed shareholders. Whenever yield information is provided, it
includes a standardized yield calculation computed by dividing the Fund's net
investment income per share for each Class of Fund shares during a base
period of 30 days, or one month, by the maximum offering price per share for
each Class of Fund shares on the last day of such base period. (The Fund's
net investment income per share for each Class is determined by dividing the
Fund's net investment income for each Class during the base period by the
Class's average number of shares of the Fund entitled to receive dividends
during the base period). The Class's 30-day yield is then "annualized" by a
computation that assumes that the Class's net investment income 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 also be included in advertisements, and furnished
to existing or prospective shareholders. The average annual total return for
each Class is computed in accordance with the SEC's standardized formula. The
calculation for all Classes assumes the reinvestment of all dividends and
distributions at net asset value and does not reflect the impact of federal
or state income taxes. In addition, for Class A shares the calculation
assumes the deduction of the maximum sales charge of 4.50%; for Class B and
Class C shares the calculation reflects the deduction of any applicable CDSC.
The periods illustrated would normally include one, five and ten years (or
since the commencement of the public offering of the shares of a Class, if
shorter) through the most recent calendar quarter.
    

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

  Other investments or savings vehicles and/or unmanaged market indexes,
indicators of economic activity or averages of mutual funds results may be
cited or compared with the investment results 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 yield and investment results will be calculated separately for
each class of shares and will vary from time to time depending on market
conditions, the composition of the Fund's portfolio, operating expenses of
the Fund and expenses allocated to a specific class of Fund shares. All
quoted investment results are historical and should not be considered
representative of what an investment in the Fund may earn in any future
period. For further information about the calculation methods and uses of the
Fund's investment results, see the Statement of Additional Information.
    


                                      17
<PAGE>

Notes

                                      18
<PAGE>

THE PIONEER FAMILY OF MUTUAL FUNDS

International Growth Funds

   
  Pioneer International Growth Fund
  Pioneer Europe Fund
  Pioneer Emerging Markets Fund
  Pioneer India Fund

Growth Funds

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

Growth and Income Funds

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

Income Funds

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

Tax-Free Income Funds

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

Money Market Fund

  Pioneer Cash Reserves Fund

*Not suitable for retirement accounts
    

                                      19
<PAGE>

                                                                  [Pioneer logo]

Pioneer
Income
Fund
60 State Street
Boston, Massachusetts 02109

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

INVESTMENT ADVISER
PIONEERING MANAGEMENT CORPORATION

PRINCIPAL UNDERWRITER
PIONEER FUNDS DISTRIBUTOR, INC.

CUSTODIAN
BROWN BROTHERS HARRIMAN & CO.

INDEPENDENT PUBLIC ACCOUNTANTS
ARTHUR ANDERSEN LLP

LEGAL COUNSEL
HALE AND DORR

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

SERVICES INFORMATION

If you would like information on the following, please call:

Existing and new accounts, prospectuses,
 applications, 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


0496-3266
(C)Pioneer Funds Distributor, Inc.

<PAGE>


                               PIONEER INCOME FUND
                                 60 State Street
                           Boston, Massachusetts 02109

                       STATEMENT OF ADDITIONAL INFORMATION


   
                       Class A, Class B and Class C Shares

                                 April 29, 1996


     This Statement of Additional Information is not a Prospectus, but should be
read in conjunction with the Prospectus (the "Prospectus")  dated April 29, 1996
of Pioneer  Income 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 by reference.
    


                                TABLE OF CONTENTS

                                                                           Page

   
1.   Investment Objective and Policies......................................  2
2.   Investment Restrictions................................................  3
3.   Management of the Fund.................................................  5
4.   Investment Adviser.....................................................  9
5.   Underwriting Agreement and Distribution Plans.......................... 10
6.   Shareholder Servicing/Transfer Agent................................... 12
7.   Custodian.............................................................. 13
8.   Principal Underwriter.................................................. 13
9.   Independent Public Accountant.......................................... 13
10.  Portfolio Transactions................................................. 13
11.  Tax Status and Dividends............................................... 15
12.  Shares of the Fund..................................................... 18
13.  Determination of Net Asset Value....................................... 19
14.  Systematic Withdrawal Plan............................................. 19
15.  Letter of Intention.................................................... 20
16.  Investment Results..................................................... 20
17.  General Information.................................................... 24
18.  Financial Statements................................................... 24
     Appendix A............................................................. 25
     Appendix B............................................................. 28
    


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




<PAGE>


1.   INVESTMENT OBJECTIVE AND POLICIES

     See "Investment  Objective,  Policies and Risks" in the Prospectus for more
information concerning the investment objective and policies of the Fund.

Restricted and Illiquid Securities

   
     With respect to liquidity  determinations  generally, the Board of Trustees
has the ultimate  responsibility  for determining  whether specific  securities,
including Rule 144A securities,  are liquid or illiquid. The Board has delegated
the function of making day to day  determinations  of  liquidity  to  Pioneering
Management Corporation ("PMC"), pursuant to guidelines reviewed by the Trustees.
PMC takes  into  account a number of factors in  reaching  liquidity  decisions.
These  factors may include but are not limited to: (i) the  frequency of trading
in the security;  (ii) the number of dealers who make quotes in the  securities;
(iii)  the  number  of  dealers  who have  undertaken  to make a  market  in the
security;  (iv) the number of  potential  purchasers;  and (v) the nature of the
security  and how  trading  is  effected  (e.g.,  the  time  needed  to sell the
security,  how offers are solicited  and the  mechanics of  transfer).  PMC will
monitor  the  liquidity  of  securities  in  the  Fund's  portfolio  and  report
periodically on such decisions to the Trustees.
    

     Since it is not possible to predict with  assurance  exactly how the market
for  restricted  securities  sold and offered under Rule 144A will develop,  the
Board  will  carefully  monitor  the  Fund's  investments  in these  securities,
focusing on such important  factors,  among others, as valuation,  liquidity and
availability of information.  This investment  practice could have the effect of
increasing  the level of  illiquidity  in the Fund to the extent that  qualified
institutional  buyers  become  for  a  time  uninterested  in  purchasing  these
restricted securities.

Writing Covered Call Options

     The Fund  does  not  invest  in  puts,  calls,  straddles,  spreads  or any
combination  thereof.  However,  in order to attempt  to  preserve  capital  and
increase  income,  the Fund may write covered call options on securities if: (i)
such calls are listed on a national securities exchange; (ii) when any such call
is written and at all times prior to a closing  purchase  transaction as to such
call, or its lapse or exercise the Fund owns the securities which are subject to
the call or has the right to acquire  such  securities  without  the  payment of
further  consideration;  and (iii) after any such call is written, not more than
25% of the value of the Fund's total assets would be subject to calls; calls may
be  purchased  only to effect a "closing  purchase  transaction"  as to any call
written in accordance with the foregoing.

     The Fund will write only call options  which are covered,  which means that
the Fund will own the underlying security, or own securities convertible into or
carrying  rights to  acquire  such  securities  without  payment  of  additional
consideration,  which are acceptable for escrow,  when it writes the call option
and until the Fund's obligation to sell the underlying  security is extinguished
by exercise or  expiration  of the call option or the  purchase of a call option
covering the same  underlying  securities and having the same exercise price and
expiration date. The Fund will receive a premium for writing a call option,  but
gives up, until the expiration  date, the opportunity to profit from an increase
in the underlying  security price above the exercise price. The Fund will retain
the risk of loss from a decrease in the price of the  underlying  security.  The
writing of covered call options is a highly specialized  activity which involves
investment  techniques and risks different from those ordinarily associated with
investment  companies.  However,  the  restrictions  and guidelines  outlined on
writing covered call options tend to reduce such risks.

     The premium  received by the Fund for writing a covered call option will be
recorded as a liability in the Fund's statement of assets and liabilities.  This
liability  will be adjusted daily to the option's  current  market value,  which
will be the latest sale price at the close of the New York Stock  Exchange,  or,
in the absence of such sale, at the latest ask quotation.  The liability will be
extinguished upon expiration of the option,  the purchase of an identical option
in a closing  transaction,  or delivery of the underlying security upon exercise
of the option.

                                      -2-
<PAGE>

     The Options Clearing  Corporation ("OCC") is the issuer of, and the obligor
on, the covered call options  written by the Fund. In order to secure the Fund's
obligation  to  deliver to the OCC the  underlying  security  of a covered  call
option which the Fund writes,  it will be required to make escrow  arrangements.
The Fund's Custodian, or a securities depository acting for the Custodian,  will
act as the Fund's  escrow  agent,  through the  facilities of the OCC, as to the
securities on which the Fund has written calls or as to other acceptable  escrow
securities,  so that no margin will be required for such transactions.  OCC will
release  the  securities  on the  expiration  of the  calls or upon  the  Fund's
entering into a closing purchase transaction.

     The Fund will purchase call options only to close out a covered call option
it has written.  In instances where the Fund believes it is appropriate to close
a covered  call  option it has  written,  the Fund can close out the  previously
written call option by purchasing a call option on the same underlying  security
with  the  same  exercise  price  and  expiration  date,  a  "closing   purchase
transaction."  A previously  written call option can be closed out by purchasing
an identical  call option on a national  securities  exchange  which  provides a
secondary  market  in the  call  option.  There  is no  assurance  that a liquid
secondary  market will exist for a particular  option at such time.  If the Fund
cannot effect a closing transaction,  it will not be able to sell the underlying
security while the previously written option remains outstanding, even though it
might  otherwise be advantageous to do so. The Fund may also be able to transfer
a  previously  written  call option if there is a  secondary  market for such an
option.  There is no assurance that a liquid  secondary  market will exist for a
particular call option at such time.

     If a  substantial  number  of the  call  options  written  by the  Fund are
exercised,  the Fund's rate of portfolio  turnover may exceed historical levels.
This would result in higher transaction costs,  including brokerage commissions.
The Fund will pay  brokerage  commissions  in  connection  with the  writing  of
covered call  options and the  purchase of call options to close out  previously
written  options.  Such  brokerage  commissions  are normally  higher than those
applicable to purchases and sales of portfolio securities.

   
     In the past the Fund has qualified for, and elected to receive, the special
tax treatment afforded regulated  investment companies under Subchapter M of the
Internal  Revenue  Code of 1986,  as amended  (the  "Code").  Although  the Fund
intends to  continue  to qualify  for such tax  treatment,  in order to do so it
must,  among other things,  derive less than 30% of its annual gross income from
gains from the sale or other disposition of stocks,  securities and options held
for less than three months.  Because of this,  the Fund may be restricted in the
writing of call options where the underlying securities have been held less than
three  months,  the writing of covered  call  options  which expire in less than
three months,  and in effecting  closing purchase  transactions  with respect to
options which were written less than three months earlier. As a result, the Fund
may elect to forego otherwise favorable  investment  opportunities and may elect
to avoid or delay effecting  closing purchase  transactions or selling portfolio
securities,  with the risk that a potential loss may be increased or a potential
gain may be reduced or turned into a loss.
    

Portfolio Turnover Rate

     The Fund will  limit  portfolio  turnover  to the  extent  practicable  and
consistent with its investment  objective and policies.  In any event,  the Fund
does not  consider  the rate of  portfolio  turnover  a  limiting  factor  where
management considers changes necessary. However, it is the Fund's general policy
to achieve its investment  objective through  long-term  holdings of securities,
and therefore,  it does not intend to engage generally in short-term  trading. A
higher portfolio turnover rate may result in correspondingly  higher transaction
costs.


2.   INVESTMENT RESTRICTIONS

     Fundamental  Investment  Restrictions.  The Fund  considers the  investment
objective,  the investment policies under the captions  "Restricted and Illiquid
Securities" and "Writing  Covered Call Options," and the following  restrictions
to be  fundamental  policies  which  cannot be  changed  without  approval  by a
"majority" of the Fund's  outstanding voting securities (as such vote is defined
in Section 2(a)(42) of the Investment Company Act of 1940, as amended (the "1940
Act"))  which  means:  (a) 67% or more of the  voting  securities  present  at a
special  or annual  


                                      -3-
<PAGE>

meeting if the holders of more than 50% of the outstanding  voting securities of
the Fund are  present  or  represented  by  proxy;  or (b) more  than 50% of the
outstanding  voting  securities  of the  Fund,  whichever  is  less.  All  other
investment  policies  are  considered  non-fundamental  and  may be  changed  by
approval of the Trustees without the vote of shareholders.

The Fund may not:

1.  Concentrate  the  investment  of its assets in any one  industry or group of
industries  and therefore will not invest more than 25% of its assets in any one
industry;

2. Purchase  securities on margin,  but it may obtain such short-term credits as
may be necessary for clearance of purchases and sales of securities;

3. Make short sales of securities unless at the time of such sale it owns or has
the right to acquire as a result of the ownership of convertible or exchangeable
securities, and without the payment of further consideration, an equal amount of
such securities which it will retain so long as it is in a short position. At no
time will more than 10% of the value of the Fund's  assets be committed to short
sales;

4. Make loans of its assets,  except that the Fund may  purchase a portion of an
issue of bonds or other  obligations of types commonly  distributed  publicly to
financial  institutions,  may purchase repurchase  agreements in accordance with
its  investment  objective,  policies  and  restrictions,   and  may  make  both
short-term (nine months or less) and long-term loans of its portfolio securities
to the extent of 40% of the value of the Fund's  total  assets  computed  at the
time of making such loans;

5. Borrow money except for temporary or emergency purposes in an amount up to 5%
of the value of the Fund's assets;

6. Act as a  securities  underwriter  or invest in real estate,  commodities  or
commodity contracts;

7. Participate on a joint or  joint-and-several  basis in any securities trading
account;

8. Purchase any security  (other than  obligations of the U.S.  Government,  its
agencies or  instrumentalities),  if as a result: (a) more than 25% of the value
of the Fund's total assets  would then be invested in  securities  of any single
issuer, or (b) as to 75% of the value of the Fund's total assets:  (i) more than
5% of the value of the Fund's total assets would then be invested in  securities
of any  single  issuer,  or (ii) the Fund  would own more than 10% of the voting
securities of any single issuer;

9.  Purchase  securities  of any company  with a record of less than three years
continuous  operation  (including that of  predecessors)  if such purchase would
cause the Fund's investments in such companies taken at cost to exceed 5% of the
value of the Fund's  assets,  except  holding  companies or companies  formed by
merger,  where  the  operating  companies  have  had at  least  three  years  of
continuous operation;

10. Purchase or retain the securities of any issuer if the officers and trustees
of the Fund or of its Investment  Adviser who own  individually  or beneficially
more than 1/2 of 1% of the  securities of such issuer  together own more than 5%
of the securities of such issuer;

11. Purchase the securities of any other investment company,  except that it may
make  such a  purchase  as part of a merger,  consolidation  or  acquisition  of
assets; or

12. Enter into transactions with officers,  trustees or other affiliated persons
of the  Fund or its  Investment  Adviser  or  Underwriter,  or any  organization
affiliated with such persons,  except securities transactions on an agency basis
at standard  commission  rates,  as limited by the  provisions of the Investment
Company Act of 1940, as amended.

                                      -4-
<PAGE>

     Non-Fundamental  Investment  Restrictions.  In  addition  to the  foregoing
restrictions,  the Fund may not purchase warrants of any issuer, if, as a result
of such purchases, more than 2% of the value of the Fund's total assets would be
invested in warrants  which are not listed on the New York Stock Exchange or the
American  Stock Exchange or more than 5% of the value of the total assets of the
Fund would be  invested  in warrants  generally,  whether or not so listed.  For
these purposes,  warrants are to be valued at the lesser of cost or market,  but
warrants acquired by the Fund in units with or attached to debt securities shall
be deemed to be without value.

     The Fund  will not  invest  in oil,  gas or other  mineral  exploration  or
development  programs or leases or purchase or sell real estate,  including real
estate limited partnerships.

     If a percentage  restriction  on  investment or  utilization  of assets set
forth in any of the above is adhered  to at the time an  investment  is made,  a
later change in percentage  resulting  from  changing  values or a change in the
rating of a portfolio security will not be considered a violation of policy.


3.   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")  and
Forest-Starma (Russian timber joint venture);  President and Director of Pioneer
Plans Corporation ("PPC"),  Pioneer Investment Corp. ("PIC"), 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");  Member of the Supervisory  Board of Pioneer
First Polish Trust Fund Joint Stock Company  ("PFPT");  Chairman,  President and
Trustee of all of the Pioneer  mutual funds and Partner,  Hale and Dorr (counsel
to the Fund).

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) since 1982;
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.
    

                                      -5-
<PAGE>

   
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,  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
     Secretary of PGI, PMC, PPC, PIC, PIntl,  PMT, First Russia,  Omega and PCC;
Clerk of PFD and PSC; Partner, Hale and Dorr (counsel to the Fund) and Secretary
of all of the Pioneer mutual funds.

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 (counsel to
the Fund) 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,  Pioneer Bond Fund and Pioneer  Interest  Shares,
Inc.

JOHN A. CAREY, Vice President,  DOB:   May 1949
     Vice President of PMC, Pioneer Equity-Income Fund and Pioneer Fund.
    

                                      -6-
<PAGE>

   
     The Fund's Amended and Restated  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 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 Real Estate Shares                     PMC                    PFD
   
Pioneer Short-Term Income Trust                PMC                    PFD
Pioneer America Income Trust                   PMC                    PFD
Pioneer Bond Fund                              PMC                    PFD
    
Pioneer Income 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, Inc.                  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.

     PMC, the Fund's investment adviser, also manages the investments of certain
institutional  private  accounts.  Messrs.  Cogan,  Tripple,  Keough  and Barri,
officers and/or Trustees of the Fund, are also officers and/or directors of PFD,
PMC, PSC and PGI. As of March 31, 1996, 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,  except Mr. Cogan who then owned  approximately  14% of such shares.  As of
March 31, 1996,  the officers and trustees held in the aggregate less than 1% of
the  outstanding  shares of the Fund.  As of March 31,  1996,  Donaldson  Lufkin
Jenrette Securities  Corporation Inc., P.O. Box 2052, Jersey City, NJ 07303-9998
owned  approximately  67.56% (28,644) of the  outstanding  Class C
    


                                      -7-
<PAGE>

   
shares of the Fund. PFD, 60 State Street,  Boston, MA 02109 owned  approximately
23.19% (9,834) of the outstanding Class C shares of the Fund.
    

Compensation of Officers and Trustees

   
     The  Fund  pays  no  salaries  or  compensation  to any  of  its  officers.
Commencing on January 1, 1996, the Fund will pay 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 the average net assets of each series,  estimated  to be  approximately
$282 for 1996. In addition,  the Fund will pay a per meeting fee of $120 to each
Trustee who is not affiliated  with PGI, PMC, PFD or PSC. The Fund also will pay
an annual  committee  participation  fee to  Trustees  who serve as  members  of
committees  established to act on behalf of one or more of the of Pioneer mutual
funds.  Committee  fees will be 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  Chair who will receive an annual
trustees' fee equal to 20% of the aggregate  annual trustees' fee. The 1996 fees
for Audit  Committee  members and the Audit  Committee  Chair are expected to be
approximately $6,000 and $12,000, respectively. 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,  will  receive  an annual fee equal to 5% of the  annual  trustees'  fee,
except the Committee Chair who will receive an annual trustees' fee equal to 10%
of the annual trustees' fee. The 1996 fees for Pricing Committee members and the
Pricing  Committee  Chair are  expected to be  approximately  $3,000 and $6,000,
respectively.  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
Fund paid an annual fee of $1,000 plus $100 per meeting attended to each Trustee
who was not affiliated  with PGI, PMC, PFD or PSC. The Fund paid the Chairman of
the  Audit  Committee  an annual  fee of $250 and paid each  member of the Audit
Committee  an annual fee of $200.  All  Trustees  are  reimbursed  for  expenses
incurred in  attending  Trustee and  committee  meetings.  The Fund also paid an
annual trustees' fee of $500 plus expenses to each Trustee  affiliated with PMC,
PSC or PFD. Any such fees and expenses paid to affiliates or interested  persons
of PMC, PFD or PSC are reimbursed to the Fund under its Management Contract.

     The following table provides information regarding the compensation paid by
the Fund and other Pioneer Funds to the Trustees for their services.
    

<TABLE>
<CAPTION>

                                                    Pension or               Total Compensation
                                Aggregate      Retirement Benefits           from the Fund and
                              Compensation      Accrued as Part of           all other Pioneer
Name of Trustee              from the Fund*    the Fund's expenses             Mutual Funds**

<S>                           <C>                      <C>                       <C>    
   
John F. Cogan, Jr.            $500                     $0                        $11,000
Richard H. Egdahl, M.D.      $3674                     $0                        $63,315
Margaret B.W. Graham         $3674                     $0                        $62,398
John W. Kendrick             $3674                     $0                        $62,398
Margeurite A. Piret          $4038                     $0                        $76,704
David D. Tripple              $500                     $0                        $11,000
Stephen K. West              $3666                     $0                        $68,180
John Winthrop                $3904                     $0                        $71,199
                             -----                     --                        -------
           Total            $23,630                    $0                       $426,194
                            =======                    ==                       ========
    

</TABLE>


 *   As of Fund's fiscal year end.
   
**   As of December 31, 1995 (calendar year end for all Pioneer Funds).
    

                                      -8-
<PAGE>


4.   INVESTMENT ADVISER

     As stated in the Prospectus,  PMC, 60 State Street, Boston,  Massachusetts,
serves as the Fund's  investment  adviser.  PMC  became  the  Fund's  investment
adviser on December 1, 1993. Prior to that date, Mutual of Omaha Fund Management
Company ("FMC") served as the Fund's investment adviser. The management contract
with  PMC is  renewable  annually  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 Trustees or a majority of its  outstanding  voting
securities and the giving of 60 days' written notice.

     As compensation for its management  services and expenses incurred,  PMC is
entitled  to a  management  fee at the  following  rates per annum of the Fund's
average  daily  net  assets.  The fee is  computed  and  accrued  daily and paid
monthly.

 Net Assets                                                    Annual Rate

 For assets up to $250,000,000.....................................0.50%
 For assets in excess of $250,000,000 to $300,000,000..............0.48%
 Over $300,000,000.................................................0.45%

          PMC had agreed that until  December 1, 1995,  its fee shall not exceed
 the fee that would have been payable under the previous management contact with
 FMC,  without  giving  effect to any  expense  limitation.  Under the  previous
 management  contract with FMC,  which was  terminated on December 1, 1993,  the
 Fund  paid FMC a  management  fee at an  annual  rate  equal  to the  following
 percentages of the Fund's average daily net assets:

 Net Assets                                                    Annual Rate

 For assets up to and including $100,000,000.......................0.50%

 For assets over $100,000,000 but not over $200,000,0000...........0.48%

 For assets over $200,000,000 but not over $300,000,000............0.46%

 For assets over $300,000,000 but not over $400,000,000............0.44%

 For assets over $400,000,000 but not over $500,000,000............0.42%

 For assets over $500,000,000......................................0.40%

          PMC has agreed  that if in any fiscal year the  aggregate  expenses of
 the  Fund  exceed  the  expense  limitation  established  by any  state  having
 jurisdiction  over the Fund,  PMC will reduce its  management fee to the extent
 required by state law.  The most  restrictive  state  expense  limit  currently
 applicable to the Fund provides that the Fund's expenses in any fiscal year may
 not exceed 2.5% of the first $30 million of average  daily net assets,  2.0% of
 the next $70  million of such  assets and 1.5% of such assets in excess of $100
 million.

   
          The Fund paid $1,228,585 in management fees to FMC for the period from
 January 1 to November 30, 1993.  The Fund paid $121,129 in  management  fees to
 PMC for the  period  from  December  1 to  December  31,  1993.  The Fund  paid
 $1,341,020 and $1,306,546 in management  fees to PMC for the fiscal years ended
 December 31, 1994 and December 31, 1995, respectively.
    

                                      -9-
<PAGE>

   
          Under  the  previous  management  contract  with  FMC,  FMC  agreed to
 reimburse the Fund quarterly for all expenses  (excluding  interest,  brokerage
 commissions,  taxes and  extraordinary  expenses)  incurred in each year by the
 Fund in excess of 1.50% of the first  $30,000,000  of the Fund's  average daily
 net assets plus 1.00% of any net  additional  net  assets,  up to an amount not
 exceeding its management fees for the period for which reimbursements,  if any,
 is made.  No  excess  reimbursement  was paid by FMC or PMC to the Fund for the
 fiscal years ended December 31, 1993, 1994 or 1995.
    


 5.       UNDERWRITING AGREEMENT AND DISTRIBUTION PLANS

   
          The Fund entered into an  Underwriting  Agreement with PFD on December
 1, 1993.  Prior to that date, FMC served as the Fund's  principal  underwriter.
 The Underwriting Agreement will continue from year to year if annually approved
 by the Trustees. The Underwriting Agreement provides that PFD will bear certain
 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 the  Class A  shares.  Certain  categories  of such  expenditures  have been
 approved by the Board of Trustees and are set forth in the Prospectus under the
 caption  "Distribution Plans." The expenses of the Fund pursuant to the Class A
 Plan are  accrued on a fiscal  year basis and may not exceed the annual rate of
 0.25% of the Fund's average daily 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  


                                      -10-
<PAGE>

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  CDSCs  attributable  to  Class  B  shares.  (See
 "Distribution Plans" in the Prospectus.)

          Class C Plan

          The Class C Plan  provides  that the 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
 therefor,  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 of 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.)
    

          General

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

          No interested  person of the Fund,  nor any Trustee of the Fund who is
 not an  interested  person of the Trust,  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  


                                      -11-
<PAGE>

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 Plan),
 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 to 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). The Plan will automatically terminate
 in the event of its  assignment  (as defined in the 1940 Act). In the Trustees'
 quarterly review of the Plan, they will consider its continued  appropriateness
 and the level of compensation it provides.

   
          During the fiscal year ended  December  31,  1995,  the Fund  incurred
 total distribution fees pursuant to the Fund's Class A Plan and Class B Plan of
 $674,096 and $4,628, respectively.  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.  The Fund had not
 incurred any  distribution  fees  pursuant to the Class C Plan.  Class C shares
 were first offered January 31, 1996.

          During the fiscal  year ended  December  31,  1995,  CDSCs,  at a rate
 declining  from a maximum  of 4.0% of the lower of the cost or market  value of
 the shares  being  redeemed,  of $134 were  charged to  redemptions  of Class B
 shares  made  within  6 years of  purchase  (as  described  in "How to Buy Fund
 Shares"  in the  Prospectus).  Such CDSCs are paid to PFD in  reimbursement  of
 expenses related to servicing of shareholder  accounts and compensation paid to
 dealers and sales personnel.
    


 6.       SHAREHOLDER SERVICING/TRANSFER AGENT

          The  Fund  has   contracted   with  PSC,  60  State  Street,   Boston,
 Massachusetts, 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  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 will  service
 shareholder  accounts,  and its duties  will  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 $22.00 per Class A, Class B and Class C
 shareholder  account from the Fund as compensation  for the services  described
 above.  This fee is set at an amount  determined  by vote of a majority  of the
 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.
    

                                      -12-
<PAGE>

 7.       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 also
 provides fund accounting, bookkeeping and pricing assistance to the Fund.

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


 8.       PRINCIPAL UNDERWRITER

   
          PFD, 60 State Street, Boston,  Massachusetts,  serves as the principal
 underwriter  for the Fund in  connection  with the  continuous  offering of the
 shares of the Fund. Under the Fund's previous underwriting  agreement with FMC,
 FMC received  $2,376,000 in aggregate  underwriting  commissions for the period
 from January 1 to November 30, 1993, of which $216,280 was retained.  Under the
 Fund's  current  Underwriting   Agreement  with  PFD,  PFD  received  $123,000,
 $1,501,540 and $665,332,  respectively,  in aggregate underwriting  commissions
 for the period  from  December 1 through  December  31, 1993 and for the fiscal
 years ended December 31, 1994 and December 31, 1995 of which $15,107,  $120,501
 and $73,704, respectively, was retained.
    

          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 a bona fide  reorganization,
 statutory  merger,  or other  acquisition of portfolio  securities  (other than
 municipal  debt  securities  issued by state  political  subdivisions  or their
 agencies or instrumentalities)  provided (i) the securities meet the investment
 objective  and policies of the Fund;  (ii) the  securities  are acquired by the
 Fund for investment and not for resale; (iii) the securities are not restricted
 as to transfer  either by law or liquidity of market;  and (iv) the  securities
 have a value  which  is  readily  ascertainable  (and not  established  only by
 evaluation procedures) as evidenced by a listing on the American Stock Exchange
 or the New York Stock Exchange or the NASDAQ National Market.


 9.       INDEPENDENT PUBLIC ACCOUNTANT

          Effective  January 1, 1994,  Arthur  Andersen  LLP, One  International
 Place,  Boston, MA 02110, was selected as the independent public accountant for
 the Fund.  Previously,  Coopers  & Lybrand  had  served as  independent  public
 accountant  to the Fund.  Arthur  Andersen's  election  as  independent  public
 accountant was approved,  at a meeting called for the purpose of voting on such
 approval,  by the vote of a majority of those Trustees on the Board of Trustees
 who are not interested persons of the Fund.


 10.      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 Fund's
 management  contract.  In selecting  broker-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  


                                      -13-
<PAGE>

capability,  and financial  condition of the broker-dealer;  the broker-dealer's
execution services rendered on a continuing basis; and the reasonableness of any
broker-dealer spreads.

          PMC may select  broker-dealers which provide brokerage and/or research
 services to the Fund and/or other  investment  companies  managed by PMC or who
 sell shares of the Pioneer Funds. In addition,  if PMC determines in good faith
 that the amount of  commissions  charged by a  broker-dealer  is  reasonable in
 relation to the value of the brokerage and research  services  provided by such
 broker-dealer,  the Fund may pay commissions to such broker-dealer in an amount
 greater  than the amount  another  firm may charge.  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; furnishing analyses and reports concerning
 issuers,  industries,   securities,  economic  factors  and  trends,  portfolio
 strategy and performance of accounts; 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.

          The  research  received  from  broker-dealers  may be useful to PMC in
 rendering  investment  management  services  to  the  Fund  as  well  as  other
 investment  companies  managed by PMC,  although  not all such  research may be
 useful to the Fund. 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 Board of Trustees  periodically  reviews 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 also  acts as  investment  adviser  or
 subadviser to the other Pioneer mutual funds and certain private  accounts with
 investment  objectives similar to that of the Fund.  Securities frequently meet
 the  investment  objective  of the Fund,  such  other  funds  and such  private
 accounts.  In such cases,  the  decision to recommend a purchase to one fund or
 account  rather than another is based on a number of factors.  The  determining
 factors  in  most  cases  are the  amount  of  securities  of the  issuer  then
 outstanding,  the value of those  securities  and the  market  for them.  Other
 factors considered in the investment  recommendations include other investments
 which each fund or  account  presently  has in a  particular  industry  and the
 availability of investment funds in each fund or account.

          It is possible that at times identical securities will be held by more
 than one fund and/or account. However, positions in the same issue may vary and
 the length of time that any fund or account  may choose to hold its  investment
 in the same issue may likewise  vary. To the extent the Fund,  another  Pioneer
 Fund, Pioneer Interest Shares, Inc. or a private account managed by PMC may not
 be able to acquire as large a position in such  security as it desires,  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 fund or
 account,  the  resulting  participation  in volume  transactions  could produce
 better  executions  for the Fund or the  


                                      -14-
<PAGE>

account. In the event more than one account purchases or sells the same security
on a given  date,  the  purchases  and sales will  normally be made as nearly as
practicable  on a pro rata  basis in  proportion  to the  amounts  desired to be
purchased or sold by each.

   
          The Fund paid brokerage or underwriting  commissions of  approximately
 $66,000, $78,278 and $33,565, respectively, for the fiscal years ended December
 31, 1993, 1994 and 1995.
    


 11.      TAX STATUS AND DIVIDENDS

          The Fund's policy is to pay dividends  quarterly  from net  investment
 income to shareholders of record in the latter part of March,  June,  September
 and December and to distribute net realized capital gains, if any, once a year.
 Additional  distributions may be made for the purpose of avoiding liability for
 federal income or excise tax.

   
          It is the Fund's  policy to meet the  requirements  of Subchapter M of
 the  Code  for  qualification  as  a  regulated   investment   company.   These
 requirements relate to the sources of the Fund's income, the diversification of
 its assets,  and the timing of its  distributions 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 receives,  the Fund will be relieved of the
 necessity of paying federal income tax.
    

          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 in additional  shares.  Dividends from net
 long-term  capital  gain in  excess of net  short-term  capital  loss,  if any,
 whether  received  in cash or  additional  shares,  are  taxable  to the Fund's
 shareholders as long-term capital gains for federal income tax purposes without
 regard to the  length of time  shares of the Fund have been held.  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.

          If the Fund  acquires  stock in  certain  non-U.S.  corporations  that
 receive at least 75% of their annual gross income from passive sources (such as
 interest,  dividends, rents, royalties or capital gain) or hold at least 50% of
 their assets in investments  producing such passive  income  ("passive  foreign
 investment  companies"),  the Fund could be  subject to federal  income tax and
 additional  interest  charges  on  "excess  distributions"  received  from such
 companies or gain from the sale of stock in such companies,  even if all income
 or  gain  actually   received  by  the  Fund  is  timely   distributed  to  its
 shareholders.  The Fund would not be able to pass  through to its  shareholders
 any credit or deduction for such a tax.  Certain  elections  may, if available,
 ameliorate these adverse tax consequences,  but any such election would require
 the Fund to recognize taxable income or gain without the concurrent  receipt of
 cash.  The Fund may  limit  and/or  manage  its  holdings  in  passive  foreign
 investment  companies to minimize its tax liability or maximize its return from
 these investments.

                                      -15-
<PAGE>

          The Fund may invest in debt  obligations  that are in the lower rating
 categories or are unrated.  Investments in debt obligations that are at risk of
 default  present  special tax issues for the Fund.  Tax rules are not  entirely
 clear about issues such as when the Fund may cease to accrue interest, original
 issue discount,  or market discount,  when and to what extent deductions may be
 taken  for  bad  debts  or  worthless  securities,  how  payments  received  on
 obligations in default should be allocated  between  principal and income,  and
 whether  exchanges of debt obligations in a workout context are taxable.  These
 and other issues will be addressed by the Fund, in the event it invests in such
 securities, in order to seek to ensure that it distributes sufficient income to
 preserve  its status as a regulated  investment  company and to avoid  becoming
 subject to federal income or excise tax.

          If the Fund invests in certain PIKs,  zero coupon  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  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.

   
          At the time of an investor's purchase of Fund shares, a portion of the
 purchase price is often attributable to realized or unrealized  appreciation in
 the Fund's portfolio or undistributed taxable income of the Fund. Consequently,
 subsequent  distributions  from such  appreciation  or income 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  in  reality  represent  a return  of a  portion  of the
 investment.

          Redemptions and exchanges are taxable  events.  Any loss realized upon
 the redemption 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 certain  redemptions  may be disallowed  under "wash sale"
 rules in the event of other  investments  in the Fund  (including  pursuant  to
 automatic dividend  reinvestments) within a period of 61 days beginning 30 days
 before and ending 30 days after a redemption or other sale of shares.

          For  federal  income  tax  purposes,  the Fund is  permitted  to carry
 forward a net capital loss in any year to offset 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 are not expected to be distributed as such
 to shareholders.  For the taxable year ended December 31, 1995, the Fund had no
 capital loss carryforwards.
    

          Certain options written by the Fund on portfolio  securities may cause
 the Fund to recognize gains or losses from  marking-to-market at the end of its
 taxable year even though such options may not have lapsed,  been closed out, or
 exercised  and may affect the  characterization  as long-term or  short-term of
 some capital  gains and losses  realized by the Fund.  Gains or losses from the
 lapse  or  closing  out of  options  written  by the  Fund  may be  treated  as
 short-term  capital  gains or losses under  Section 1234 of the Code or, in the
 case of


                                      -16-
<PAGE>

options  subject  to  Section  1256,  all gains or losses  may be treated as 60%
long-term and 40% short-term capital gains or losses.  Losses on certain options
and/or  offsetting  positions  (portfolio  securities  or other  positions  with
respect to which the Fund's risk of loss is  substantially  diminished by one or
more  options) may also be deferred  under the tax  straddle  rules of the Code,
which may also  affect  the  characterization  of capital  gains or losses  from
straddle  positions and certain successor  positions as long-term or short-term.
The effect of these  rules may be  mitigated  to the extent the Fund  limits its
options writing to "qualified  covered call options" on portfolio stock. The tax
rules  applicable  to options and  straddles  may affect the amount,  timing and
character  of the  Fund's  income  and loss and  hence of its  distributions  to
shareholders.

          For  purposes of the 70%  dividends-received  deduction  available  to
 corporations,  dividends  received  by the Fund,  if any,  from  U.S.  domestic
 corporations  in respect of any share of stock with a tax holding  period of at
 least  46  days  (91  days  in the  case  of  certain  preferred  stock)  in an
 unleveraged  position and distributed and designated by the Fund may be treated
 as qualifying  dividends.  Any  corporate  shareholder  should  consult its tax
 adviser  regarding  the  possibility  that its tax basis in its  shares  may be
 reduced,  for  federal  income  tax  purposes,   by  reason  of  "extraordinary
 dividends"  received with respect to the shares.  Corporate  shareholders  must
 meet the  minimum  holding  period  requirement  stated  above (46 or 91 days),
 taking into account any holding-period reductions from certain hedging or other
 transactions  that diminish risk of loss,  with respect to their Fund shares in
 order to qualify for the deduction  and, if they borrow to acquire Fund shares,
 may be  denied  a  portion  of the  dividends-received  deduction.  The  entire
 qualifying  dividend,  including  the  otherwise  deductible  amount,  will  be
 included in determining the excess (if any) of a corporation's adjusted current
 earnings over its  alternative  minimum  taxable  income,  which may increase a
 corporation's alternative minimum tax liability.

   
          The Fund may be  subject to  withholding  and other  taxes  imposed by
 foreign  countries  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 will not satisfy  the  requirements  for passing
 through to  shareholders  their pro rata  shares of  foreign  taxes paid by the
 Fund,  with the result that its  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.

   
          Federal law requires that the Fund withhold (as "backup  withholding")
 31% of reportable payments,  including dividends,  capital gain dividends,  and
 the  proceeds  of  redemptions   (including  exchanges)  and  repurchases,   to
 shareholders who have not complied with IRS regulations. In order to avoid this
 withholding   requirement,   shareholders   must   certify  on  their   Account
 Applications,  or on separate  W-9 Forms,  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.
    

          Provided  that 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, and it should also not be required to pay
 Delaware corporation income tax.

          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 and U.S. domestic corporations,  partnerships, trusts or estates, and
 who are subject to U.S.  federal income tax. The  description  does not address
 the special  tax rules 


                                      -17-
<PAGE>

   
applicable to certain classes of investors,  such as banks, insurance companies,
or  tax-exempt  entities.  Investors  other than U.S.  persons may be subject to
different U.S. tax treatment,  including a possible 30% U.S.  nonresident  alien
withholding tax (or nonresident 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  is on file,  to 31% backup  withholding  on
certain other payments from the Fund.  Shareholders should consult their own tax
advisors on these matters and on state, local and other applicable tax laws.
    


 12.      SHARES OF THE FUND

 General

   
          The Fund is a diversified,  open-end investment company established as
 a Nebraska  corporation in 1968 and reorganized as a Delaware business trust in
 June 1994.  Prior to  December  1, 1993,  the Fund was known as Mutual of Omaha
 Income Fund,  Inc.  and prior to June 30,  1994,  the Fund was known as Pioneer
 Income Fund,  Inc.  Reference to the Fund includes  both the Delaware  business
 trust and the Nebraska  corporation.  The Board of Trustees of the Fund,  as of
 the date of this  Statement  of  Additional  Information,  has  authorized  the
 issuance of three classes of shares, Class A, Class B and Class C.
    

          Unless  otherwise  required  by the  1940  Act or  the  Agreement  and
 Declaration of Trust (the "Declaration of Trust"), the Fund has no intention of
 holding annual meetings of  shareholders.  Shareholders may remove a Trustee by
 the affirmative  vote of at least two-thirds of the Fund's  outstanding  shares
 and the Trustees  shall promptly call a meeting for such purpose when requested
 to do so in  writing  by  the  record  holders  of  not  less  than  10% of the
 outstanding shares of the Trust.  Shareholders may, under certain circumstances
 communicate  with other  shareholders  in connection  with requesting a special
 meeting of shareholders.  However, at any time that less than a majority of the
 Trustees  holding  office were elected by the  shareholders,  the Trustees will
 call a special meeting of shareholders for the purpose of electing Trustees.

          The  Declaration  of Trust permits the issuance of series of shares in
 addition to the Fund which would represent  interests in separate portfolios of
 investments.  No series  would be  entitled to share in the assets of any other
 series or be liable for the expenses or liabilities of any other series.

          In addition to the requirements under Delaware law, the Declaration of
 Trust provides that  shareholders of the Fund may bring a derivative  action on
 behalf of the Fund only if the following  conditions are met: (a)  shareholders
 eligible to bring such  derivative  action under Delaware law who hold at least
 10% of the outstanding  shares of the Fund, or 10% of the outstanding shares of
 the series or class to which such action relates, shall join in the request for
 the Trustees to commence  such action;  and (b) the Trustees must be afforded a
 reasonable  amount  of  time  to  consider  such  shareholder  request  and  to
 investigate  the basis of such claim.  The Trustees shall be entitled to retain
 counsel or other  advisers in  considering  the merits of the request and shall
 require an undertaking by the shareholders making such request to reimburse the
 Fund for the  expense  of any such  advisers  in the  event  that the  Trustees
 determine not to bring such action.

 Shareholder and Trustee Liability

          The  Fund is  organized  as a  Delaware  business  trust,  and,  under
 Delaware law, the  shareholders  of such a trust are not  generally  subject to
 liability for the debts or  obligations of the Trust.  Similarly,  Delaware law
 provides that the Fund will not be liable for the debts or  obligations  of any
 other series of the Trust.  However,  no similar  statutory or other  authority
 limiting business trust shareholder liability exists in many other states. As a
 result,  to the  extent  that a Delaware  business  trust or a  shareholder  is
 subject to the jurisdiction of courts in such other states,  the courts may not
 apply  Delaware  law  and may  thereby  subject  the  Delaware  business  trust
 shareholders to liability. To guard against this risk, the Declaration of Trust
 contains an express disclaimer of shareholder liability for acts or obligations
 of the  Fund.  Notice  of  such  disclaimer  


                                      -18-
<PAGE>

will normally be given in each agreement,  obligation or instrument entered into
or executed by the Fund or a Trustee.  The  Declaration  of Trust  provides  for
indemnification  by the Fund for any loss suffered by a shareholder  as a result
of an obligation 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.  The Trustees  believe that, in view of the above, the risk of personal
liability of shareholders is remote.

          The  Declaration of Trust further  provides that the Trustees will not
 be liable for errors of judgment or mistakes of fact or law, but nothing in the
 Declaration  of Trust  protects a Trustee  against any liability to which he or
 she would  otherwise  be subject by reason of willful  misfeasance,  bad faith,
 gross negligence,  or reckless  disregard of the duties involved in the conduct
 of his or her office.


 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 New  York  Stock  Exchange  (the
 "Exchange")  (currently  4:00 p.m.,  Eastern  Time) on each day the Exchange is
 open for business. 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,  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
 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  Fund's  net  asset  value per share may not be
 determined.

          The net asset value per share of each class of the Fund is computed by
 taking the value of all of the Fund's assets  attributable to that class,  less
 the Fund's  liabilities  attributable  to that  class,  and  dividing it by the
 number of outstanding  shares of that class.  For purposes of  determining  net
 asset value,  expenses of classes of the Fund are accrued  daily and taken into
 account.

          In determining  the value of the assets of the Fund for the purpose of
 obtaining  the net asset  value,  securities  listed or traded on a national or
 foreign  securities  exchange  shall be valued at their last sales price on the
 day of  valuation  or,  if there are no sales on that day,  at the  latest  bid
 quotation.  Equity securities traded  over-the-counter for which the last sales
 price on the day of valuation is available  shall be valued at that price.  All
 other  over-the-counter  equity  securities for which  reliable  quotations are
 readily  available  shall be valued at their latest bid quotation.  Convertible
 securities traded  over-the-counter  for which reliable  quotations are readily
 available  shall be valued  on the basis of  valuations  furnished  by  pricing
 services which utilize  electronic data processing  techniques to determine the
 valuations  for normal  institutional-size  trading  units of such  securities.
 Securities not valued by the pricing service for which reliable  quotations are
 readily  available,  shall be valued at market  values  furnished by recognized
 dealers in such securities. Short-term obligations with remaining maturities of
 60 days or less shall be valued at amortized cost.  Securities and other assets
 for which  reliable  quotations are not readily  available,  shall be valued at
 their  fair  value as  determined  in good  faith  under  consistently  applied
 guidelines  established  by and under the general  supervision  of the Board of
 Trustees of the Fund,  although the actual  calculations may be made by persons
 acting pursuant to the direction of the Board.

   
          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.
    

                                      -19-
<PAGE>


 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.  Periodic checks of $50 or more will be sent to
 the  applicant,  or  any  person  designated  by  him,  monthly  or  quarterly.
 Withdrawals  from Class B and Class C share  accounts are limited to 10% of the
 value at the time the SWP is implemented.  See "How to Sell Fund Shares" in the
 Prospectus.
    

          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.  Redemptions are taxable transactions
 to shareholders.  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 SWP
 account.  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 SWP have  been
 redeemed.


 15.      LETTER OF INTENTION

          Purchases in the Fund of $100,000 or over of Class A Shares (excluding
 any reinvestments of dividends and capital gains  distributions)  made within a
 13-month period pursuant to a Letter of Intention  provided to PFD will qualify
 for a reduced sales  charge.  Such reduced sales charge will be the charge that
 would be applicable to the purchase of all Class A Shares purchased during such
 13-month  period  pursuant  to a  Letter  of  Intention  had such  shares  been
 purchased  all at once.  See "How to Buy Fund  Shares" in the  Prospectus.  For
 example,  a  person  who  signs a Letter  of  Intention  providing  for a total
 investment in Fund Class A Shares of $100,000  over a 13-month  period would be
 charged at the 3.50% sales  charge rate with  respect to all  purchases  during
 that period. Should the amount actually purchased during the 13-month period be
 more or less than that  indicated  in the Letter,  an  adjustment  in the sales
 charge will be made. A purchase not made  pursuant to a Letter of Intention may
 be included  thereafter if the Letter is filed within 90 days of such purchase.
 Any shareholder may also obtain the reduced sales charge by including the value
 (at  current  offering  price)  of all his Class A Shares in the Fund and other
 Pioneer  funds held of record as of the date of his or her Letter of  Intention
 as a credit toward  determining  the  applicable  scale of sales charge for the
 Class A Shares to be purchased under the Letter of Intention.

          The Letter of Intention authorizes PSC to escrow Class A Shares having
 a purchase price equal to 5% of the stated  investment  specified in the Letter
 of  Intention.  A Letter  of  Intention  is not a binding  obligation  upon the
 investor to purchase,  or the Fund to sell,  the full amount  indicated and the
 investor  should  carefully  read the provisions of the Letter of Intention set
 forth in the Account Application before signing.


                                      -20-
<PAGE>

 16.      INVESTMENT RESULTS

 Other 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
 its yield 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. Data for economic indicators may
 come from Bloomberg Financial Systems, Towers Data Systems, the financial press
 and other sources.  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, New York Times,
 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 any such publication) or used
 for comparison, as well as performance listings and rankings from various other
 sources including  CDA/Weisenberger,  Donoghue's Mutual Fund Almanac,  Ibbotson
 Associates  Investment Company Data, Inc.,  Johnson's Charts, Kanon Bloch Carre
 and Co., Lipper Analytical Services, Inc., Micropal,  Inc., Morningstar,  Inc.,
 Schabacker Investment Management and Towers Data Systems, Inc.

          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  are  calculated  by  standard  methods  prescribed  by  the
 Securities and Exchange Commission.

 Standardized Yield Quotations

          The Fund's  yield is computed by  dividing  the Fund'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 Fund 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.

                                      -21-
<PAGE>

          (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  remaining on a 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 remaining on a security.

   
          The Fund's 30-day SEC yield for the period ended December 31, 1995 was
 5.74% for Class A shares  and  5.14%  for Class B shares.  Class C shares  were
 first offered January 31, 1996.
    

 Standardized Average Annual Total Return Quotations

   
          One of the primary  methods used to measure the performance of a class
 of the Fund is "total  return."  "Total  return" will  normally  represent  the
 percentage change in value of an account, or of a hypothetical  investment in a
 class of the Fund,  over any  period up to the  lifetime  of that  class of the
 Fund.  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 will usually 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.

          Average  annual total return  quotations for each Class of Fund shares
 are  computed  by finding the average  annual  compounded  rates of return that
 would cause a hypothetical  investment in that 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  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

                                      -22-
<PAGE>

                     n         =    number of years

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

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

          In determining the average annual total return (calculated as provided
 above), recurring fees, if any, that are charged to all shareholder accounts of
 a particular class 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  Class A and Class B shares of the Fund as of
 December 31, 1995 are as follows:

                               Average Annual Total Return (%)

                    One Year    Five Years   Ten Years    Commencement*

Class A Shares      16.50           9.42        9.46          8.56
Class B Shares        N/A            N/A         N/A          9.74
Class C Shares        N/A            N/A         N/A           N/A

*Commencement  was  5/17/68  for Class A shares and  4/28/95 for Class B shares.
Class C Shares were first offered January 31, 1996.
    

Automated Information Line (FactFone)

     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 money market funds; and

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

     Yields are calculated in accordance with SEC mandated standard formulas.

   
     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 bond funds include the maximum applicable sales
charge.  A  shareholder's  actual yield and total return will vary with changing
market  conditions.  The value of Class A, Class B and Class C shares  will also
vary,  and  such  shares  may be worth  more or less at  redemption  than  their
original cost.
    

                                      -23-
<PAGE>


17.  GENERAL INFORMATION

     The Fund is registered with the SEC as a diversified,  open-end  management
investment company. Such registration does not involve supervision by the SEC of
the management or policies of the Fund. For further  information with respect to
the  Fund  and  the  securities  offered  hereby,   reference  is  made  to  the
registration  statement  filed with the SEC,  including  all  exhibits  thereto.
Annual and semiannual reports of the Fund are mailed to each shareholder.


18.  FINANCIAL STATEMENTS

   
     The Fund's  Annual  Report  dated  December 31, 1995,  is  incorporated  by
reference  into this  Statement of Additional  Information  in reliance upon the
report of Arthur Andersen LLP,  independent  public  accountants,  as experts. 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.
    















                                      -24-
<PAGE>

                                   APPENDIX A

                         MOODY'S CORPORATE BOND RATINGS


Aaa

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

Aa

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

A

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

Baa

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

Ba

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

B

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

Caa

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

Ca

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

                                      -25-
<PAGE>

C

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

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


            STANDARD AND POOR'S RATINGS GROUP CORPORATE BOND RATINGS

AAA

Debt rated AAA has the highest rating assigned by Standard and Poor's.  Capacity
to pay interest and repay principal is extremely strong.

AA

Debt rated AA has a very strong capacity to pay interest and repay principal and
differs from the higher rated issues only in small degree.

A

Debt rated A has a strong capacity to pay interest and repay principal  although
it  is  somewhat  more   susceptible  to  the  adverse  effects  of  changes  in
circumstances and economic conditions than debt in higher rated categories.

BBB

Debt rated BBB is regarded as having an adequate  capacity to pay  interest  and
repay principal.  Whereas it normally exhibits adequate  protection  parameters,
adverse economic conditions of changing circumstances are more likely to lead to
a  weakened  capacity  to pay  interest  and  repay  principal  for debt in this
category than in higher rated categories.

BB

Debt rated BB has less near-term vulnerability to default than other speculative
issues.  However,  it faces major ongoing  uncertainties  or exposure to adverse
business,  financial  or  economic  conditions  which  could lead to  inadequate
capacity to meet timely interest and principal payments.  The BB rating category
is also used for debt  subordinated to senior debt that is assigned an actual or
implied BBB-rating.

B

Debt  rated B has a greater  vulnerability  to  default  but  currently  has the
capacity to meet interest payments and principal  repayments.  Adverse business,
financial or economic  conditions  will likely impair capacity or willingness to
pay interest and repay  principal.  The B rating  category is also used for debt
subordinated  to senior  debt that is  assigned  an actual or  implied BB or BB-
rating.

CCC

Debt rated CCC has a currently  identifiable  vulnerability  to default,  and is
dependent upon  favorable  business,  financial and economic  conditions to meet
timely  payment of interest and repayment of principal.  In the event of


                                      -26-
<PAGE>

adverse business, financial or economic conditions, it is not likely to have the
capacity to pay interest and repay  principal.  The CCC rating  category is also
used for debt  subordinated to senior debt that is assigned an actual or implied
B or B- rating.

CC

The rating CC is typically  applied to debt  subordinated to senior debt that is
assigned an actual or implied CCC rating.

C

The C rating is typically  applied to debt  subordinated to senior debt which is
assigned  an actual or  implied  CCC- debt  rating.  The C rating may be used to
cover a situation where a bankruptcy  petition has been filed,  but debt service
payments are continued.

CI

The rating CI is reserved for income bonds on which no interest is being paid.

D

Debt rated D is in payment default.  The D rating category is used when interest
payments  or  principal  payments  are not  made  on the  date  due  even if the
applicable grace period has not expired,  unless S&P believes that such payments
will be made during such grace  period.  The D rating also will be used upon the
filing of a bankruptcy petition if debt service payments are jeopardized.

PLUS (+) OR MINUS (-)

The rating from AAA to CCC may be  modified  by the  addition of a plus or minus
sign to show relative standing within the major categories.








                                      -27-
<PAGE>

                              Pioneer Income Fund A
<TABLE>
<CAPTION>

  Date    Initial        Offering Price      Sales Charge       Shares           Net Asset    Initial Net
          Investment                                            Purchased          Value         Asset
                                               Included                          Per Share       Value
<S>          <C>             <C>                 <C>              <C>             <C>           <C>   
12/31/85     $10,000         $9.600              4.50%            1,041.667       $9.1700       $9,550

</TABLE>

                     Dividends and Capital Gains Reinvested

                                 Value of Shares

  Date    From             From Cap.        From Dividends       Total Value
          Investment         Gains
                           Reinvested         Reinvested
12/31/86      $9,313          $300               $827              $10,440
12/31/87      $9,031          $449              $1,671             $11,151
12/31/88      $9,292          $478              $2,752             $12,522
12/31/89      $9,927          $511              $4,075             $14,513
12/31/90      $9,521          $490              $5,022             $15,033
12/31/91     $10,562          $544              $6,727             $17,833
12/31/92     $10,553          $717              $7,916             $19,186
12/31/93     $10,635         $1,317             $9,197             $21,149
12/31/94      $9,491         $1,175             $9,573             $20,239
12/31/95     $10,729         $1,583             $12,379            $24,691





                                      -28-
<PAGE>


                              Pioneer Income Fund B
<TABLE>
<CAPTION>

  Date    Initial         Offering Price     Sales Charge     Shares            Net Asset    Initial Net
          Investment                                          Purchased           Value         Asset
                                               Included                         Per Share       Value
<S>           <C>              <C>               <C>             <C>              <C>          <C>    
 4/28/95      $10,000          $9.55             4.00%           1,047.120        $9.55        $10,000
</TABLE>


                     Dividends and Capital Gains Reinvested

                                 Value of Shares

  Date    From            From Cap. Gains   From Dividends      Total Value
          Investment
                            Reinvested        Reinvested
12/31/95      $10,753          $118              $503             $10,974






                                      -29-
<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.

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 
    



                                      -30-
<PAGE>

                             COMPARATIVE PERFORMANCE
                               INDEX DESCRIPTIONS


   
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.

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

    



                                      -31-
<PAGE>

   
                             COMPARATIVE PERFORMANCE
                               INDEX DESCRIPTIONS


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 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  30000 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.
    



                                      -32-
<PAGE>

   
                             COMPARATIVE PERFORMANCE
                               INDEX DESCRIPTIONS


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.

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




                                      -33-
<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
    


                                      -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 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
    


                                      -35-
<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
    


                                      -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 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
    


                                      -37-
<PAGE>

                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
     
                                           S & P    Bank
             NAREIT -  Russell  Wilshire   Midcap  Savings 
             Equity     2000  Real Estate   400    Account
     
   
Dec 1925        N/A      N/A      N/A     N/A      N/A
Dec 1926        N/A      N/A      N/A     N/A      N/A
Dec 1927        N/A      N/A      N/A     N/A      N/A
Dec 1928        N/A      N/A      N/A     N/A      N/A
Dec 1929        N/A      N/A      N/A     N/A      N/A
Dec 1930        N/A      N/A      N/A     N/A      5.30
Dec 1931        N/A      N/A      N/A     N/A      5.10
Dec 1932        N/A      N/A      N/A     N/A      4.10
Dec 1933        N/A      N/A      N/A     N/A      3.40
Dec 1934        N/A      N/A      N/A     N/A      3.50
Dec 1935        N/A      N/A      N/A     N/A      3.10
Dec 1936        N/A      N/A      N/A     N/A      3.20
Dec 1937        N/A      N/A      N/A     N/A      3.50
Dec 1938        N/A      N/A      N/A     N/A      3.50
Dec 1939        N/A      N/A      N/A     N/A      3.40
Dec 1940        N/A      N/A      N/A     N/A      3.30
Dec 1941        N/A      N/A      N/A     N/A      3.10
Dec 1942        N/A      N/A      N/A     N/A      3.00
Dec 1943        N/A      N/A      N/A     N/A      2.90
Dec 1944        N/A      N/A      N/A     N/A      2.80
Dec 1945        N/A      N/A      N/A     N/A      2.50
Dec 1946        N/A      N/A      N/A     N/A      2.20
Dec 1947        N/A      N/A      N/A     N/A      2.30
Dec 1948        N/A      N/A      N/A     N/A      2.30
Dec 1949        N/A      N/A      N/A     N/A      2.40
Dec 1950        N/A      N/A      N/A     N/A      2.50
Dec 1951        N/A      N/A      N/A     N/A      2.60
Dec 1952        N/A      N/A      N/A     N/A      2.70
Dec 1953        N/A      N/A      N/A     N/A      2.80
Dec 1954        N/A      N/A      N/A     N/A      2.90
Dec 1955        N/A      N/A      N/A     N/A      2.90
Dec 1956        N/A      N/A      N/A     N/A      3.00
Dec 1957        N/A      N/A      N/A     N/A      3.30
Dec 1958        N/A      N/A      N/A     N/A      3.38
Dec 1959        N/A      N/A      N/A     N/A      3.53
Dec 1960        N/A      N/A      N/A     N/A      3.86
Dec 1961        N/A      N/A      N/A     N/A      3.90
Dec 1962        N/A      N/A      N/A     N/A      4.08
Dec 1963        N/A      N/A      N/A     N/A      4.17
Dec 1964        N/A      N/A      N/A     N/A      4.19
Dec 1965        N/A      N/A      N/A     N/A      4.23
Dec 1966        N/A      N/A      N/A     N/A      4.45
Dec 1967        N/A      N/A      N/A     N/A      4.67
Dec 1968        N/A      N/A      N/A     N/A      4.68
Dec 1969        N/A      N/A      N/A     N/A      4.80
    

                                      -38-
<PAGE>

                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT


                                           S & P    Bank
             NAREIT -  Russell  Wilshire   Midcap  Savings 
             Equity     2000  Real Estate   400    Account
          Bank Savings Account
     
   
Dec 1970        N/A      N/A      N/A     N/A      5.14
Dec 1971        N/A      N/A      N/A     N/A      5.30
Dec 1972        8.01     N/A      N/A     N/A      5.37
Dec 1973       -15.52    N/A      N/A     N/A      5.51
Dec 1974       -21.40    N/A      N/A     N/A      5.96
Dec 1975        19.30    N/A      N/A     N/A      6.21
Dec 1976        47.59    N/A      N/A     N/A      6.23
Dec 1977        22.42    N/A      N/A     N/A      6.39
Dec 1978        10.34    N/A      13.04   N/A      6.56
Dec 1979        35.86    43.09    70.81   N/A      7.29
Dec 1980        24.37    38.58    22.08   N/A      8.78
Dec 1981         6.00     2.03     7.18   N/A     10.71
Dec 1982        21.60    24.95    24.47   22.68   11.19
Dec 1983        30.64    29.13    27.61   26.10    9.71
Dec 1984        20.93    -7.30    20.64    1.18    9.92
Dec 1985        19.10    31.05    22.20   35.58    9.02
Dec 1986        19.16     5.68    20.30   16.21    7.84
Dec 1987        -3.64    -8.77    -7.86   -2.03    6.92
Dec 1988        13.49    24.89    24.18   20.87    7.20
Dec 1989         8.84    16.24     2.37   35.54    7.91
Dec 1990       -15.35   -19.51   -33.46   -5.12    7.80
Dec 1991        35.7     46.05    20.03    50.1    4.61
Dec 1992        14.59    18.41     7.36    11.91   2.89
Dec 1993        19.65    18.91    15.24    13.96   2.73
Dec 1994         3.17    -1.82     1.64    -3.57   4.96
Dec 1995        15.27    28.44    13.65    30.94   5.24
    
     
Source:  Ibbotson Associates
          
     
     
     







                                      -39-
<PAGE>

   
                                   APPENDIX B
                            Other Pioneer Information

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

     As of December 31, 1995,  PMC employed a professional  investment  staff of
44, with a combined  average of 15 years'  experience in the financial  services
industry.

     Total  assets of all  Pioneer  mutual  funds at  December  31,  1995,  were
approximately $12 billion  representing  982,369 shareholder  accounts - 637,060
non-retirement accounts and 345,309 retirement accounts.
    


















                                      -40-
<PAGE>

                               PIONEER INCOME FUND

                                     PART C

                                OTHER INFORMATION

Item 24.          Financial Statements and Exhibits

   (a)            Financial Statements:

   
                  The  financial  highlights of the  Registrant  are included in
                  Part A of the Registration Statement. The financial statements
                  of the  Registrant  have been  incorporated  by reference into
                  Part B of the  Registration  Statement by  reference  from the
                  1995 Annual Report to  Shareholders  filed  electronically  on
                  February 29, 1996,  accession  no.  0000069405-96-000005,  and
                  file no. 811-1605-3.
    

   (b)            Exhibits:

   
                  (1)   (a) Form of Agreement and Declaration of Trust+.

                        (b)   Establishment  and Designation of Classes A, B & C
                              Shares+.

                  (2)   By-Laws+.
    

                  (3)   Inapplicable.

                  (4)   Inapplicable.

   
                  (5)   Management    Contract   with   Pioneering    Management
                        Corporation+.

                  (6)   (a)   Underwriting    Agreement   with   Pioneer   Funds
                        Distributor, Inc+.

                        (b)   Form of Sales Agreement.

                  (7)   Inapplicable.

                  (8)   Custodian Agreement; and the Assignment dated August 28,
                        1990+.

                  (9)   Service Agreement with Pioneering Services Corporation+.
    

                  (10)  Opinion of Counsel.

<PAGE>

   
                  (11)  Consent  of  Independent  Public   Accountants   (Arthur
                        Andersen LLP).

                  (12)  None.
    

                  (13)  Understanding  --  Incorporated  herein by  reference to
                        Post-Effective Amendment No. 31 filed March 18, 1980.

                  (14)  Inapplicable.

   
                  (15)  (a) Plan of Distribution+.

                        (b)   Class B Plan of Distribution+.

                        (c)   Class C Plan of Distribution.
    

                  (16)  None.

                  (17)  Financial Data Schedules.

   
                  (18)  (a) Rule 18f-3 Plan for Class A and Class B Shares.

                        (b) Rule 18f-3 Plan for Class A, B and C Shares.
    


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


   
+     Filed  electronically  as part of  Post-Effective  Amendment No. 56 to the
      Registration Statement and incorporated by reference herein.
    




                                      C-2
<PAGE>


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 Emerging Markets Fund                              DE
Pioneer India Fund                                         DE
Pioneer Growth Trust                                       MA
Pioneer Mid-Cap Fund                                       DE
Pioneer Growth Shares                                      DE
Pioneer Small Company Fund                                 DE
Pioneer Fund    MA
Pioneer II      MA
Pioneer Real Estate Shares                                 DE
Pioneer Short-Term Income Fund                             MA
Pioneer America Income Trust                               MA
Pioneer Bond Fund                                          MA
Pioneer Income Fund                                        DE
Pioneer Intermediate Tax-Free Fund                         MA
Pioneer Tax-Free Income Fund                               DE
Pioneer Tax-Free State Series Trust                        MA
Pioneer Money Market Trust                                 DE
Pioneer Variable Contracts Trust                           DE
Pioneer Interest Shares, Inc.                              NE Corporation
    

                                      C-3
<PAGE>

   
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.


                               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                                                   Partner

GmbH                                                            Chairman of 
                                                                Supervisory 
                                                                Board
    

                                      C-4
<PAGE>


Item 26.          Number of Holders of Securities

                                        Number of Record Holders
       Title of Class                      as of March 31, 1996
       --------------                     ---------------------

   
                                         Class    Class    Class
Shares of Beneficial Interest              A        B        C
                                         Shares   Shares   Shares
    

       

Item 27.          Indemnification

                  Except for the Agreement and Declaration of Trust establishing
the Registrant as a Trust under Delaware law, there is no contract,  arrangement
or statute under which any trustee, officer, underwriter or affiliated person of
the Registrant is insured or indemnified. The Agreement and Declaration of Trust
provides that no Trustee or officer will be indemnified against any liability to
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.

                  Insofar as  indemnification  for  liability  arising under the
Securities  Act of 1933, as amended (the "Act"),  may be available to directors,
officers and  controlling  persons of the  Registrant  pursuant to the foregoing
provisions, or otherwise, the Registrant has been advised that in the opinion of
the Securities and Exchange  Commission such  indemnification  is against public
policy as expressed in the Act and is,  therefore,  unenforceable.  In the event
that a claim  for  indemnification  against  such  liabilities  (other  than the
payment of the Registrant of expenses incurred or paid by a director, officer or
controlling  person of the Registrant in the  successful  defense of any action,
suit or proceeding) is asserted by such director,  officer or controlling person
in connection with the securities being registered,  the Registrant will, unless
in the  opinion  of its  counsel  the matter  has been  settled  by  controlling
precedent,  submit to a court of appropriate  jurisdiction  the question whether
such  indemnification by it is against public policy as expressed in the Act and
will be governed by the final adjudication of such issue.

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.


                                      C-5
<PAGE>

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

   
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.

                                      C-6
<PAGE>

Item 30. Location of Accounts and Records

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

Item 31. Management Services

         The  Registrant  is not a party to any  management-related  service
contract,  except  as  described  in the  Prospectus  and the  Statement  of
Additional Information.

Item 32. Undertakings

                      (a)     Not Applicable.

                      (b)     Not Applicable.

                      (c) The Registrant  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  under  the  Investment
                      Company Act of 1940 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.









                                      C-7
<PAGE>


                                   SIGNATURES


   
         Pursuant  to the  requirements  of the  Securities  Act of 1933 and the
Investment  Company Act of 1940, the  Registrant  certifies that it meets all of
the requirements for  effectiveness of this  Post-Effective  Amendment No. 57 to
its Registration  Statement (the "Amendment")  pursuant to Rule 485(b) under the
Securities  Act of 1933 and has duly caused this  Amendment  to be signed on its
behalf by the undersigned,  thereunto duly authorized, in the City of Boston and
The Commonwealth of Massachusetts, on the 25th day of April, 1996.
    

                                                  PIONEER INCOME FUND


   
                                                  /s/John F. Cogan, Jr.
                                                  John F. Cogan, Jr.
                                                  Chairman
    


         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
Amendment has been signed below by the following  persons in the  capacities and
on the dates indicated:

         Title and Signature                                   Date

   
Principal Executive Officer:                 )
                                             )
                                             )
/s/John F,. Cogan, Jr.*                      )
John F. Cogan, Jr., President                )
                                             )
Principal Financial and                      )
Accounting Officer:                          )
                                             )
                                             )
William H. Keough*                           )
William H. Keough, Treasurer                 )
    


A MAJORITY OF THE BOARD OF TRUSTEES:


   
John F. Cogan, Jr.*                          )
John F. Cogan, Jr., Trustee                  )
                                             )
Richard H. Egdahl, M.D.*                     )
Richard H. Egdahl, Trustee                   )
                                             )
Margaret B.W. Graham*                        )
Margaret B.W. Graham, Trustee                )
                                             )
John W. Kendrick*                            )
John W. Kendrick, Trustee                    )
    

<PAGE>

   
                                             )
Marguerite A. Piret*                         )
Marguerite A. Piret, Trustee                 )
                                             )
David D. Tripple*                            )
David D. Tripple, Trustee                    )
                                             )
Stephen K. West*                             )
Stephen K. West, Trustee                     )
                                             )
John Winthrop*                               )
John Winthrop, Trustee                       )
    



   
*By      /s/Joseph P. Barri                          April 25, 1996
         Joseph P. Barri
         Attorney-in-fact
    


<PAGE>


                                  Exhibit Index


Exhibit
Number   Document Title

   
(1)(b)            Establishment and Designation of Classes A, B & C
                  Shares

(6)(b)            Form of Sales Agreement

(10)              Opinion of Counsel

(11)              Consent of Independent Public Accountants (Arthur
                  Andersen LLP)

15(c)             Class C Plan of Distribution

17                Financial Data Schedules

18(a)             Rule 18f-3 Plan for Class A and B Shares

18(b)             Rule 18f-3 Plan for Class A, B and C Shares
    




                               PIONEER INCOME FUND


                          Establishment and Designation
                                       of
                Class A Shares, Class B Shares and Class C Shares
                            of Beneficial Interest of
                               Pioneer Income Fund



     The undersigned, being a majority of the Trustees of Pioneer Income Fund, a
Delaware business trust (the "Fund"), acting pursuant to Article V, Section 1 of
the  Agreement  and  Declaration  of Trust  dated June 16, 1994 of the Fund (the
"Declaration"),  do hereby divide the shares of beneficial  interest of the Fund
(the "Shares") to create three classes of Shares of the Fund as follows:

     1.   The three  classes of Shares  established  and  designated  hereby are
          "Class A Shares," "Class B Shares" and "Class C Shares," respectively.

     2.   Class A  Shares,  Class B  Shares  and  Class C Shares  shall  each be
          entitled to all of the rights and preferences accorded to Shares under
          the Declaration.

     3.   The  purchase  price of Class A  Shares,  Class B Shares  and  Class C
          Shares,  the  method of  determining  the net  asset  value of Class A
          Shares,  Class B Shares and Class C Shares and the  relative  dividend
          rights of holders of Class A Shares, Class B Shares and Class C Shares
          shall be established  by the Trustees of the Trust in accordance  with
          the  provisions  of the  Declaration  and  shall  be set  forth in the
          Trust's  Registration  Statement on Form N-1A under the Securities Act
          of 1933 and/or the  Investment  Company Act of 1940, as amended and as
          in effect at the time of issuing such Shares.

     4.   The Trustees, acting in their sole discretion,  may determine that any
          Shares of the Fund issued are Class A Shares,  Class B Shares, Class C
          Shares  or  Shares  of  any  other  class  of  the  Fund   hereinafter
          established and designated by the Trustees.

<PAGE>

     IN WITNESS WHEREOF,  the undersigned have executed this instrument this 4th
day of October, 1995.




/s/ JOHN F. COGAN, JR.                  /s/ MARGUERITE A. PIRET
John F. Cogan, Jr.                      Marguerite A. Piret
as Trustee and not individually         as Trustee and not individually
975 Memorial Drive, #802                162 Washington Street
Cambridge, MA  02138                    Belmont, MA  02178



/s/ RICHARD H. EGDAHL, M.D.             /s/ DAVID D. TRIPPLE
Richard H. Egdahl, M.D.                 David D. Tripple
as Trustee and not individually         as Trustee and not individually
Health Policy Institute                 6 Woodbine Road
53 Bay State Road                       Belmont, MA  02178
Boston, MA  02215



/s/ MARGARET B.W. GRAHAM                /s/ STEPHEN K. WEST, ESQ.
Margaret B.W. Graham                    Stephen K. West, Esq.
as Trustee and not individually         as Trustee and not individually
The Keep                                Sullivan & Cromwell
P.O. Box 110                            125 Broad Street
Little Deer Isle, ME  04650             New York, NY  10004



/s/ JOHN W. KENDRICK                    /s/ JOHN WINTHROP
John W. Kendrick                        John Winthrop
as Trustee and not individually         as Trustee and not individually
6363 Waterway Drive                     One North Adgers Wharf
Falls Church, VA  22044                 Charleston, SC  29401




                         PIONEER FUNDS DISTRIBUTOR, INC.
                                 60 State Street
                                Boston, MA 02109
                                 (617) 742-7825

                                 SALES AGREEMENT

Gentlemen:

      Pioneer Funds Distributor,  Inc. (PFD), acts as principal underwriter,  as
defined in the Investment  Company Act of 1940,  for the  registered  investment
companies  (the "Funds")  listed on Appendix A attached (as amended from time to
time by PFD.)  Acting as a  principal,  PFD  offers to sell  shares of the Funds
subject to the conditions set forth in this agreement and subsequent  amendments
thereto.

      1. Shares  purchased  from PFD for sale to the public shall be offered and
sold at the price or prices,  and on the terms and conditions,  set forth in the
currently  effective  prospectus of the Funds, as amended or  supplemented  from
time to time (the "Prospectus" or "Prospectuses"). In the sale of such shares to
the  public  you shall act as dealer  for your own  account or as agent for your
customer  and in no  transaction  shall  you have any  authority  to act or hold
yourself  out as agent for PFD,  any of the Funds,  the Funds'  Custodians,  the
Funds' Transfer  agent, or any other party,  and nothing in this agreement shall
constitute you a partner, employee or agent of ours or give you any authority to
act for PFD.  Neither  PFD nor the funds shall be liable for any of your acts or
obligations as a  broker-dealer  under this  agreement.  Nothing herein shall be
construed to prohibit your acting as agent for one or both customers in the sale
of shares by one customer to another and charging such  customer(s) a reasonable
commission.

       2. Shares  purchased  from PFD for sale to the public  shall be purchased
only to cover  orders  previously  received by you from your  customers.  Shares
purchased  for your own bona  fide  investment  shall not be  reoffered  or sold
except to the applicable Fund or to PFD. PFD also agrees to purchase shares only
for investment or to cover orders received.

       3. If you  purchase  shares  from your  customers,  you agree to pay such
customers not less than the redemption  price in effect on the date of purchase,
as defined in the prospectus of the applicable  Fund.  Sales of shares at prices
reflecting a discount, concession, commission or other reallowance shall be made
only to registered  broker-dealers which are members of the National Association
of  Securities  Dealers  Inc.  (NASD)  and who  also  have  entered  into  sales
agreements with PFD.

       4. Only unconditional  orders for a designated number of shares or dollar
amount of investment shall be accepted.  Procedures  relating to handling orders
shall be conveyed to you from time to time. All orders are subject to acceptance
or rejection by PFD in our sole discretion.

       5. If any shares sold to or through you under the terms of this agreement
are  repurchased by PFD or by the issuer or are tendered for  redemption  within
seven business days after the date of our confirmation of the original  purchase
by you, we both agree to pay to the Fund all commissions on such shares.

       6.  Sales by you to the  public  shall earn a  commission  computed  as a
percentage of the  applicable  offering price and which varies with the size and
nature of each such purchase.  The terms and conditions affecting the applicable
offering  prices  on shares  sold  with a  front-end  sales  charge ,  including
features such as combined purchase, rights of accumulation, Letters of Intention
and net asset value purchases, are described in the prospectuses.  The schedules
of commissions generally payable with respect to sales of the Funds are outlined
on Appendix A to this agreement.  Commission checks for less than $1 will not be
issued.

      PFD may, from time to time,  offer  additional  commissions  or bonuses on
sales by you or your representatives  without otherwise revising this agreement.
Any such additional  commissions or bonuses shall take effect in accordance with
the terms and conditions contained in written notification to you.

       7.  Remittance of the net amount due for shares  purchased from PFD shall
be  made  payable  to  Pioneering  Services  Corporation  (PSC)  Agent  for  the
Underwriter,  in New York or Boston funds, within three days of our confirmation
of sale to you, or within such  shorter  time as  specified  by the rules of the
NASD or of a registered clearing agent through which the transaction is settled.
Payments  made to PSC should be sent to Post Office Box 9014,  Boston,  MA 02205
(or  wired  to  an  account   designated  by  PSC),  along  with  your  transfer
instructions on the appropriate copy of our confirmation of sale to you. If such
payment is not  received by PSC, we reserve  the right to  liquidate  the shares
purchased for your account and risk.  Promptly  upon receipt of payment,  shares
sold to you shall be  deposited by PSC to an account on the books of the Fund(s)
in accordance  with your  instructions.  Certificates  will not be issued unless
specifically requested and we reserve the right to levy a charge for issuance of
certificates.

       8. You represent  that you are and, at the time of purchasing  any shares
of the Funds, will be registered as a broker-dealer  with the US. Securities and
Exchange  Commission (SEC) or are exempt from such registration;  if required to
be registered as a broker-dealer  you are a member in good standing of the NASD;
you are qualified to act as a broker-dealer  in the states or  jurisdictions  in
which you intend to offer shares of the Funds;  you will abide by all applicable
federal and state  statutes and the rules of the NASD;  and when making sales to
citizens  or  residents  of  foreign  countries,  that  you  will  abide  by all
applicable  laws and  regulations of that country.  Expulsion or suspension from
the  NASD or  revocation  or  suspension  of SEC  registration  shall  act as an
immediate cancellation of this agreement.

       9. No person is authorized to make any representations  concerning shares
of any of the Funds except those  contained  in the then current  Prospectus  or
Statement of Additional Information for such Fund. In purchasing shares from PFD
you shall rely solely on the representations  contained in such Prospectuses and
Statements of Additional Information.

      10.  Additional  copies  of  the  current   prospectuses,   Statements  of
Additional   Information  (SAI),  and  other  literature  will  be  supplied  in
reasonable quantities upon request.


<PAGE>


      11. We reserve the right in our  discretion  to suspend  sales or withdraw
the offering of shares of any Fund  entirely.  Either party hereto has the right
to cancel this agreement  upon five days' written notice to the other party.  We
reserve  the right to amend  this  agreement  at any time and you agree  that an
order to purchase  shares of any one of the Funds  placed by you after notice of
such amendment has been sent to you shall  constitute your agreement to any such
amendment.

      12. All written communications to PFD should be sent to the above address.
All written communications to you will be sent to your address listed below.

      13. This  agreement  shall  become  effective  upon  receipt by us of your
acceptance  hereof and supersedes any prior agreement between us with respect to
the sales of Shares of any of the Funds.

      14. This  agreement  shall be  construed  in  accordance  with the laws of
Massachusetts. The parties hereby agree that all disputes between us of whatever
subject matter, whether existing on the date hereof or arising hereafter,  shall
be  submitted  to  arbitration  in  accordance  with  the then  current  Code of
Arbitration Procedure of the NASD, the Uniform Arbitration Act or similar rules.
Arbitration shall take place in the city of Boston, Massachusetts.  Any decision
that shall be made in such arbitration shall be final and binding and shall have
the  same  force  and  effect  as a  judgment  made  in  a  court  of  competent
jurisdiction.

      15. You appoint the transfer  agent for each Fund as your agent to execute
the purchase  transactions  of Shares of such Fund in accordance  with the terms
and provisions of any account,  program,  plan or service established or used by
your  customers and to confirm each  purchase to your  customers on your behalf,
except as modified in writing by the transfer agent, and you guarantee to us and
the Fund the legal capacity of your customers so purchasing  such Shares and any
other person in whose name the Shares are to be registered.

                                          PIONEER FUNDS DISTRIBUTOR, INC.
Date:           ,

                                          By:__________________________________
                                             William A. Misata
                                             Vice President


The undersigned hereby accepts the offer set forth in above letter.

By:__________________________________________________


Title:________________________________________________



                      RETAIN ONE COPY AND RETURN THE OTHER

<PAGE>
                                   APPENDIX A

                                     CLASS A

                                   Schedule 1

<TABLE>
<CAPTION>
<S>                                    <C>                                 <C>
Pioneer Fund                           Pioneer Mid-Cap Fund*               Pioneer Equity-Income Fund
Pioneer II                             Pioneer Gold Shares                 Pioneer Growth Shares
Pioneer International Growth Fund      Pioneer Europe Fund                 Pioneer Real Estate Shares
Pioneer Capital Growth Fund            Pioneer Emerging Markets Fund       Pioneer Small Company Fund
Pioneer India Fund

                                       Sales Charge
                                       as % of Public                      Broker/Dealer
Purchase Amount                        Offering Price                      Commission
Less than  $ 50,000..........              5.75                                 5.00%
 $ 50,000 -  99,999..........              4.50                                 4.00
  100,000 - 249,999..........              3.50                                 3.00
  250,000 - 499,999..........              2.50                                 2.00
  500,000 - 999,999..........              2.00                                 1.75
1,000,000  or more ..........              none                            a) see below


                                   Schedule 2

Pioneer Bond Fund                      Pioneer America Income Trust            Pioneer Tax-Free Income Fund
Pioneer Income Fund

                                       Sales Charge
                                       as % of Public                      Broker/Dealer
Purchase Amount                        Offering Price                      Commission
Less than  $100,000..........              4.50                                 4.00%
 $100,000 - 249,999..........              3.50                                 3.00
  250,000 -  499,000.........              2.50                                 2.00
  500,000 -  999,999.........              2.00                                 1.75
1,000,000  or more ..........              none                            a) see below


                                   Schedule 3

Pioneer Intermediate Tax-Free Fund

                                       Sales Charge
                                       as % of Public                      Broker/Dealer
Purchase Amount                        Offering Price                      Commission
Less than  $ 50,000..........              3.50                                 3.00%
 $ 50,000 -   99,999.........              3.00                                 2.50
  100,000 - 499,999..........              2.50                                 2.00
  500,000 - 999,999..........              2.00                                 1.75
1,000,000  or more ..........              none                            a) see below

                                   Schedule 4

Pioneer Short-Term Income Trust
                                       Sales Charge
                                       as % of Public                      Broker/Dealer
Purchase Amount                        Offering Price                      Commission
Less than  $ 50,000..........              2.50                                 2.00%
 $ 50,000 -   99,999.........              2.00                                 1.75
  100,000 - 249,999..........              1.50                                 1.25
  250,000 - 999,999..........              1.00                                 1.00
1,000,000  or more ..........              none                            a) see below

</TABLE>

a) Purchases of $1 million or more, and certain group plans,  are not subject to
an initial sales charge. PFD may pay a commission to broker-dealers who initiate
and are  responsible  for such purchases at the following rate: for funds listed
on schedules 1 and 2 above,  the rate is as follows:  1% on the first $5 million
invested,  .50 of 1% on the next $45 million and .25 of 1% on the excess over 50
million.  For funds  listed on  schedules 3 and 4 : .50 of 1% on purchases of $1
million to $5 million and .10 of 1% on the excess  over $5  million.  A one-year
prepaid service fee is included in this commission.  These commissions shall not
be payable 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.  A contingent  deferred  sales charge will be payable on these
investments  in the event of share  redemption  within 12 months  following  the
share purchase,  at the rate of 1% on funds in schedules 1 and 2 ; and .50 of 1%
on funds in schedules 3 and 4, 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.  For  additional  information  about  the  broker-dealer
commission   and   contingent   deferred   sales  charge   applicable  to  these
transactions, refer to the Fund's prospectus.



                             PLEASE RETAIN THIS COPY


<PAGE>




                                   Schedule 5

Pioneer Cash Reserves Fund                   Pioneer U.S. Government Money Fund

                                       No Load





                                     CLASS B

    Schedule 1                     Schedule 2                         Schedule 3
    ----------                     ----------                         ----------
<TABLE>
<CAPTION>
<S>                                <C>                                <C>
Pioneer Equity Income Fund         Pioneer Intermediate Tax-Free      Pioneer Short-Term 
Pioneer Bond Fund                       Fund                              Income Trust
Pioneer Capital Growth Fund
Pioneer Europe Fund
Pioneer Gold Share
Pioneer America Income Trust
Pioneer Emerging Markets Fund
Pioneer India Fund
Pioneer Cash Reserves Fund
Pioneer Growth Shares
Pioneer Income Fund
Pioneer Tax-Free Income Fund
Pioneer Small Company Fund
Pioneer International Growth Fund
Pioneer Real Estate Shares
Pioneer Mid-Cap Fund*
</TABLE>

Broker/Dealer
Commission               4.00%           3.00%           2.00%
- ----------

Year Since
Purchase                 CDSC%           CDSC%           CDSC%

First                     4.0             3.0             2.0
Second                    4.0             3.0             2.0
Third                     3.0             2.0             1.0
Fourth                    3.0             1.0             none
Fifth                     2.0            none             none
Sixth                     1.0            none         To A Class
Seventh                  none         To A Class
Eigth                    none
Ninth                 To A Class


a)Dealer  Commission  includes  a first year  service  fee equal to 0.25% of the
amount invested in all Class B shares.

                                     CLASS C

<TABLE>
<CAPTION>
<S>                                    <C>                               <C>
Pioneer America Income Trust           Pioneer Bond Fund                 Pioneer Capital Growth Fund
Pioneer Cash Reserves Funds            Pioneer Emerging Markets Fund     Pioneer Equity-Income Fund
Pioneer Europe Fund                    Pioneer Gold Shares               Pioneer Growth Shares
Pioneer Income Fund                    Pioneer Real Estate Shares        Pioneer India Fund
Pioneer Intermediate Tax-Free Fund     Pioneer Small Company Fund        Pioneer Tax-Free Income Fund
Pioneer International Growth Fund      Pioneer Mid-Cap Fund*
</TABLE>

a) 1% Payout to Broker
b) 1% CDSC for One Year

*formerly Pioneer Three Fund

<PAGE>
                         PIONEER FUNDS DISTRIBUTOR, INC.
                                 60 State Street
                                Boston, MA 02109
                                 (617) 742-7825


                    SUPPLEMENTAL SALES AND SERVICE AGREEMENT



You have entered into a Sales  Agreement  with Pioneer Funds  Distributor,  Inc.
("PFD")  with  respect  to the  Pioneer  mutual  funds for  which PFD  serves as
principal underwriter ("the Funds").

This agreement incorporates and supplements that agreement.  In consideration of
your sales of shares of the Funds, for providing services to shareholders of the
Funds and of the Pioneer money market funds and assisting PFD and its affiliates
in providing such services, we are authorized to pay you certain service fees as
specified  herein.  Receipt  by you of any such  service  fees is subject to the
terms and  conditions  contained  in the Funds'  prospectuses  and/or  specified
below, as may be amended from time to time.

1. You agree to cooperate  as requested  with  programs  that the Funds,  PFD or
their affiliates provide to enhance shareholder service.

2. You agree to take an active role in providing  such  shareholder  services as
processing purchase and redemption transactions and, where applicable, exchanges
and  account  transfers;  establishing  and  maintaining  shareholder  accounts;
providing  certain  information  and  assistance  with  respect  to  the  Funds;
responding  to  shareholder  inquiries  or advising us of such  inquiries  where
appropriate.

3., You agree to assign an active registered  representative to each shareholder
account  on your  and our  records  and to  reassign  accounts  when  registered
representatives  leave your firm. You also agree, with respect to accounts which
are held in  nominee  or  "street"  name,  to  provide  such  documentation  and
verification  that active  representatives  are assigned to all such accounts as
PFD may require from time to time.

4. You agree to pay to the  registered  representatives  assigned to shareholder
accounts a share of any service fees paid to you pursuant to this agreement. You
also agree to instruct your  representatives  to regularly contact  shareholders
whose accounts are assigned to them.

5. You acknowledge that service fee payments are subject to terms and conditions
set forth  herein  and in the  Funds'  prospectuses,  Statements  of  Additional
Information and Plans of Distribution  and that this agreement may be terminated
by  either  party at any time by  written  notice  to the  other.  Any  order to
purchase or sell shares  received by PFD from you  subsequent to the date of our
notification  to you of an amendment of the Agreement shall be deemed to be your
acceptance of such an amendment.

6. You  acknowledge  that your  continued  participation  in this  agreement  is
subject to your providing a level of support to PFD's  marketing and shareholder
retention  efforts  that is  deemed  acceptable  by PFD.  Factors  which  may be
considered by PFD in this respect include,  but are not limited to, the level of
shareholder  redemptions,  the level of assistance in disseminating  shareholder
communications,  reasonable access to your offices and/or representatives by PFD
wholesalers  or  other  employees  and  whether  your  compensation   system  or
"preferential  list"  unduly  discriminates  against  the sale of  shares of the
Funds.

7. Service fees will  generally  be paid  quarterly,  at the rates and under the
conditions specified on schedule A hereto.

8. All communications to PFD should be sent to the above address.  Any notice to
you shall be duly given if mailed or telegraphed to the address specified by you
below.  This agreement,  in conjunction with the Sales Agreement,  describes the
complete understanding of the parties.
This  agreement  shall  be  construed  under  the  laws of the  Commonwealth  of
Massachusetts.

Accepted:                        Execute this Agreement in duplicate 
                                 and return one ofthe duplicate originals to us.
By:___________________________
                                 By:_________________________________________
Title:________________________      William A. Misata
                                    Vice President






                      RETAIN ONE COPY AND RETURN THE OTHER


<PAGE>



                    SUPPLEMENTAL SALES AND SERVICE AGREEMENT
                      WITH PIONEER FUNDS DISTRIBUTOR, INC.

                                   SCHEDULE A

     1. Except as  specified in Section 4 below,  service fees on the  aggregate
net asset value of each account assigned to you in Pioneer Fund, Pioneer II, and
Pioneer Mid-Cap Fund** will be paid at the rate of:

      a.    0.15% annually on shares acquired prior to August 19, 1991.

      b.    0.25% annually on shares acquired on or after August 19, 1991.


     2. Except as  specified in Section 4 below,  service fees on the  aggregate
net asset value of each account assigned to you in:

Pioneer America Income Trust            Pioneer International  Growth  Fund
Pioneer  Bond  Fund                     Pioneer  Growth  Shares   
Pioneer Intermediate Tax-Free Fund      Pioneer Real Estate Shares 
Pioneer Europe Fund                     Pioneer Income Fund 
Pioneer Capital Growth Fund             Pioneer Tax-Free Income Fund 
Pioneer Equity-Income  Fund             Pioneer  Short-Term  Income Trust  
Pioneer Gold Shares                     Pioneer  India Fund
Pioneer Emerging  Markets  Fund         Pioneer  Small Company Fund*

                                will be paid at the rate of:

      a. 0.15%  annually if the shares are acquired on or after August 19, 1991,
as a result of an exchange  from Pioneer  Fund,  Pioneer II, or Pioneer  Mid-Cap
Fund** of shares owned prior to August 19, 1991.

      b.   0.25% annually on all other shares.


     3. Except as specified in Section 4 below,  service fees will be paid at an
annual rate of 0.15% of the aggregate  net asset value of each account  assigned
to you in:

                       Pioneer Cash Reserves Fund
                       Pioneer US. Government Money Fund
                       Pioneer California Double Tax-Free Fund
                       Pioneer Massachusetts Double Tax-Free Fund
                       Pioneer New York Triple Tax-Free Fund



     4. Exceptions -- Service fees will not be paid on accounts representing:

          a.   Purchases   by   you   or   your    affiliates,    employees   or
               representatives.

          b    Shares which were purchased at net asset value,  except for sales
               of the  money  market  funds or  sales  on  which  you are paid a
               commission and which are subject to the contingent deferred sales
               charge described in the funds' prospectuses.

          c.   "House"  accounts or any other accounts not assigned to an active
               registered representative(s).

          d.   Accounts  established  in  Pioneer  Bond Fund prior to January 1,
               1986.

          e.   Service  fees of less than $50 per  calendar  quarter will not be
               paid.

          f.   Pioneer  reserves  the right to reduce  the  service  fee paid on
               individual accounts of more than $10 million.

          g.   First year services  fees on shares  subject to a CDSC are at the
               rate of  0.25%  and are  prepaid  as  part of the  initial  sales
               commission.

      5.  Service  fees on shares sold with a front-end  sales  charge  normally
begin  to be  earned  as  soon  as the  transaction  settles,  unless  specified
otherwise in the fund  prospectus.  Since the  commission  on shares sold with a
CDSC  includes a prepaid one year  service fee , periodic  service  fees on such
shares are paid beginning one year following the transaction.

     6. Service Fees of 1% on class C shares will begin after first year.


*  Service fees begin accruing January 1, 1996
** Formerly Pioneer Three Fund


                        MORRIS, NICHOLS, ARSHT & TUNNELL
                            1201 NORTH MARKET STREET
                                 P.O. BOX 1347
                           WILMINGTON, DE 19899-1347



                                                  April 25, 1996




Pioneer Income Fund
60 State Street
Boston, Massachusetts  02109

                  Re:      Pioneer Income Fund

Ladies and Gentlemen:

                  We have acted as special  Delaware  counsel to Pioneer  Income
Fund,  a Delaware  business  trust (the  "Trust"),  in  connection  with certain
matters  relating to the  formation  of the Trust and the  issuance of Shares of
beneficial  interest  in the  Trust.  Capitalized  terms  used  herein  and  not
otherwise herein defined are used as defined in the Agreement and Declaration of
Trust of the Trust dated June 16, 1994 (the "Governing Instrument").

                  We  understand  that  you are  about  to  register  under  the
Securities Act of 1933, as amended,  1,052,855 Shares of beneficial in the Trust
by Post-Effective Amendment No. 57 to the Trust's Registration Statement on Form
N-1A (the "Post-Effective Amendment").

                  In rendering  this  opinion,  we have  examined  copies of the
following  documents,  each in the form provided to us: the Certificate of Trust
of the Trust as filed in the  Office of the  Secretary  of State of the State of
Delaware  (the  "Recording  Office") on June 20, 1994 (the  "Certificate");  the
Governing  Instrument;  the  By-laws of the Trust;  certain  resolutions  of the
Trustees of the Trust;  the Trust's Adoption of and Amendment to Notification of
Registration  Filed  Pursuant to Section 8(a) of the  Investment  Company Act of
1940 on Form N-8A filed with the Securities and Exchange  Commission on June 24,
1994 by which the Trust  adopted the  Notification  of  Registration  of Pioneer
Income  Fund,  Inc.;  Post-Effective  Amendment  No. 54 to Pioneer  Income Fund,
Inc.'s  Registration  Statement  on Form  N-1A by which the  Trust  adopted  the
Registration Statement of Pioneer Income Fund, Inc. as filed with the Securities
and Exchange  Commission on June 24, 1994; the Post-Effective  Amendment;  and a
certification  of good  standing of the Trust  obtained as of a 

<PAGE>
Pioneer Income Fund
April 25, 1996
Page 2


recent date from the Recording Office. In such examinations, we have assumed the
genuineness of all signatures, the conformity to original documents of all
documents submitted to us as copies or drafts of documents to be executed, and
the legal capacity of natural persons to complete the execution of documents. We
have further assumed for the purpose of this opinion: (i) the due authorization,
execution and delivery by, or on behalf of, each of the parties thereto of the
above-referenced instruments, certificates and other documents, and of all
documents contemplated by the Governing Instrument, the By-laws and applicable
resolutions of the Trustees to be executed by investors desiring to become
Shareholders; (ii) the payment of consideration for Shares, and the application
of such consideration, as provided in the Governing Instrument, and compliance
with the other terms, conditions and restrictions set forth in the Governing
Instrument and all applicable resolutions of the Trustees of the Trust in
connection with the issuance of Shares (including, without limitation, the
taking of all appropriate action by the Trustees to designate Series of Shares
and the rights and preferences attributable thereto as contemplated by the
Governing Instrument); (iii) that appropriate notation of the names and
addresses of, the number of Shares held by, and the consideration paid by,
Shareholders will be maintained in the appropriate registers and other books and
records of the Trust in connection with the issuance, redemption or transfer of
Shares; (iv) that no event has occurred subsequent to the filing of the
Certificate that would cause a termination or reorganization of the Trust under
Section 4 or Section 5 of Article IX of the Governing Instrument; (v) that the
activities of the Trust have been and will be conducted in accordance with the
terms of the Governing Instrument and the Delaware Business Trust Act, 12 Del.
C. ss.ss. 3801 et seq. (the "Delaware Act"); and (vi) that each of the documents
examined by us is in full force and effect and has not been modified,
supplemented or otherwise amended. No opinion is expressed herein with respect
to the requirements of, or compliance with, federal or state securities or blue
sky laws. Further, we express no opinion on the sufficiency or accuracy of any
registration or offering documentation relating to the Trust or the Shares. As
to any facts material to our opinion, other than those assumed, we have relied
without independent investigation on the above-referenced documents and on the
accuracy, as of the date hereof, of the matters therein contained.

<PAGE>
Pioneer Income Fund
April 25, 1996
Page 3


                  Based on and  subject  to the  foregoing,  and  limited in all
respects to matters of Delaware law, it is our opinion that:

                  1. The Trust is a duly organized and validly existing business
trust in good standing under the laws of the State of Delaware.

                  2. The Shares covered by the  Post-Effective  Amendment,  when
issued to Shareholders in accordance  with the terms,  conditions,  requirements
and procedures set forth in the Governing  Instrument,  will constitute  legally
issued,  fully paid and  non-assessable  Shares of  beneficial  interest  in the
Trust.

                  3.  Under  the  Delaware  Act and the  terms of the  Governing
Instrument, each Shareholder of the Trust, in such capacity, will be entitled to
the same  limitation of personal  liability as that extended to  stockholders of
private  corporations for profit organized under the general  corporation law of
the State of  Delaware;  provided,  however,  that we express  no  opinion  with
respect to the  liability of any  Shareholder  who is, was or may become a named
Trustee of the Trust.  Neither the  existence  nor exercise of the voting rights
granted to Shareholders under the Governing  Instrument will, of itself, cause a
Shareholder  to be  deemed a  trustee  of the  Trust  under  the  Delaware  Act.
Notwithstanding  the foregoing or the opinion expressed in paragraph 2 above, we
note that,  pursuant to Section 2 of Article VIII of the  Governing  Instrument,
the  Trustees  have the  power  to  cause  Shareholders,  or  Shareholders  of a
particular  Series,  to pay certain  custodian,  transfer,  servicing or similar
agent charges by setting off the same against  declared but unpaid  dividends or
by reducing Share ownership (or by both means).

<PAGE>
Pioneer Income Fund
April 25, 1996
Page 4


                  We hereby consent to the filing of a copy of this opinion with
the Securities and Exchange Commission as part of the Post-Effective  Amendment.
In giving this consent, we do not thereby admit that we come within the category
of persons whose consent is required  under Section 7 of the  Securities  Act of
1933, as amended,  or the rules and  regulations  of the Securities and Exchange
Commission  thereunder.  Except as provided in this  paragraph,  the opinion set
forth above is expressed  solely for the benefit of the addressee hereof and may
not be relied upon by, or filed with, any other person or entity for any purpose
without our prior written consent.

                                                Sincerely,



                                             /s/MORRIS, NICHOLS, ARSHT & TUNNELL
                                                MORRIS, NICHOLS, ARSHT & TUNNELL


                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS



As independent  public  accountants,  we hereby consent to the use of our report
dated February 2, 1996 included in Pioneer Income Fund's 1995 Annual Report (and
to all  references to our firm) included in or made a part of the Pioneer Income
Fund Post-Effective  Amendment No. 57 to Registration Statement File No. 2-28273
and Amendment No. 26 to Registration File No. 811-1605.



                                       /s/ARTHUR ANDERSEN LLP
                                          ARTHUR ANDERSEN LLP




Boston, Massachusetts
April 25, 1996



                        CLASS C SHARES DISTRIBUTION PLAN

                               PIONEER INCOME FUND


     CLASS C SHARES  DISTRIBUTION  PLAN, dated as of January 31, 1996 of PIONEER
INCOME FUND, a Massachusetts business trust (the "Trust").

                                   WITNESSETH

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

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

     WHEREAS,  the  Trust  desires  that  Pioneer  Funds  Distributor,  Inc.,  a
Massachusetts corporation ("PFD"), provide certain distribution services for the
Trust's Class C Shares in connection with the Class C Plan;

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

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

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

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

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

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

                      (b) The amount of  compensation  paid  during any one year
              for distribution  services with respect to Class C Shares shall be
              .75% of the Trust's average daily net assets attributable to Class
              C Shares for such year.

                      (c)  Distribution  services and expenses for which PFD may
              be compensated pursuant to this Plan include,  without limitation:
              compensation to and expenses (including allocable overhead, travel
              and telephone expenses) of (i) Dealers,  brokers and other dealers
              who are members of the National Association of Securities Dealers,
              Inc.  ("NASD")  or  their  officers,   sales  representatives  and
              employees,  (ii)  PFD and any of its  affiliates  and any of their
              respective officers,  sales  representatives and employees,  (iii)
              banks and their officers, sales representatives and employees, who
              engage in or support  distribution  of the Trust's Class C Shares;
              printing  of reports  and  prospectuses  for other  than  existing
              shareholders; and preparation,  printing and distribution of sales
              literature and advertising materials.

                                      -2-
<PAGE>

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

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

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

                      (g)  Appropriate  adjustments to payments made pursuant to
              clauses  (b) and (d) of this  paragraph  1 shall be made  whenever
              necessary to ensure that no payment is made by the Trust in excess
              of the  applicable  maximum cap imposed on asset based,  front-end
              and  deferred  sales  charges by  subsection  (d) of Section 26 of
              Article III of the Rules of Fair Practice of the NASD.

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

                                      -3-
<PAGE>

     III.  Nothing herein contained shall be deemed to require the Trust to take
any  action  contrary  to its  Declaration  of Trust,  as it may be  amended  or
restated from time to time, or By-Laws or any applicable statutory or regulatory
requirement  to which it is  subject  or by which it is bound,  or to relieve or
deprive the Trust's Board of Trustees of the  responsibility  for and control of
the conduct of the affairs of the Trust.

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

     V. This Class C Plan will remain in effect indefinitely, provided that such
continuance  is  "specifically  approved at least  annually" by a vote of both a
majority of the Trustees of the Trust and a majority of the Qualified  Trustees.
If such  annual  approval  is not  obtained,  this Class C Plan shall  expire on
January 31, 1997.

     VI. This Class C Plan may be amended at any time by the Board of  Trustees,
provided  that this Class C Plan may not be amended to increase  materially  the
limitations on the annual percentage of average net assets which may be expended
hereunder  without the  approval of holders of a  "majority  of the  outstanding
voting  securities" of Class C of the Trust and may not be materially amended in
any case  without a vote of a majority of both the  Trustees  and the  Qualified
Trustees.  This  Class  C Plan  may be  terminated  at any  time  by a vote of a
majority of the Qualified Trustees or by a vote of the holders of a "majority of
the outstanding voting securities" of Class C of the Trust.

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

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

                                      -4-
<PAGE>

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

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

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

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









                                      -5-


[ARTICLE] 6
[CIK] 0000069405
[NAME] PIONEER INCOME FUND
[SERIES]
   [NUMBER] 001
   [NAME] PIONEER INCOME FUND CLASS A
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1995
[PERIOD-END]                               DEC-31-1995
[INVESTMENTS-AT-COST]                        255379406
[INVESTMENTS-AT-VALUE]                       279286676
[RECEIVABLES]                                  4527213
[ASSETS-OTHER]                                    6521
[OTHER-ITEMS-ASSETS]                            146838
[TOTAL-ASSETS]                               283967248
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                       528843
[TOTAL-LIABILITIES]                             528843
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                     260323316
[SHARES-COMMON-STOCK]                         27342663
[SHARES-COMMON-PRIOR]                         28542765
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                       (788813)
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                      23903902
[NET-ASSETS]                                 283438405
[DIVIDEND-INCOME]                              5617968
[INTEREST-INCOME]                             15162658
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               (2999927)
[NET-INVESTMENT-INCOME]                       17780699
[REALIZED-GAINS-CURRENT]                       2830576
[APPREC-INCREASE-CURRENT]                     33075737
[NET-CHANGE-FROM-OPS]                         53687012
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                   (17646195)
[DISTRIBUTIONS-OF-GAINS]                     (2813942)
[DISTRIBUTIONS-OTHER]                          (83040)
[NUMBER-OF-SHARES-SOLD]                        2103203
[NUMBER-OF-SHARES-REDEEMED]                    5050730
[SHARES-REINVESTED]                            1747425
[NET-CHANGE-IN-ASSETS]                        23467948
[ACCUMULATED-NII-PRIOR]                         251982
[ACCUMULATED-GAINS-PRIOR]                    (1121099)
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          1306546
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                3056454
[AVERAGE-NET-ASSETS]                         268985592
[PER-SHARE-NAV-BEGIN]                             9.11
[PER-SHARE-NII]                                   0.66
[PER-SHARE-GAIN-APPREC]                           1.29
[PER-SHARE-DIVIDEND]                            (0.65)
[PER-SHARE-DISTRIBUTIONS]                       (0.11)
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              10.30
[EXPENSE-RATIO]                                   1.13
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
<PAGE>
[ARTICLE] 6
[CIK] 0000069405
[NAME] PIONEER INCOME FUND
[SERIES]
   [NUMBER] 002
   [NAME] PIONEER INCOME FUND CLASS B
[PERIOD-TYPE]                   OTHER
[FISCAL-YEAR-END]                          DEC-31-1995
[PERIOD-END]                               DEC-31-1995
[INVESTMENTS-AT-COST]                        255379406
[INVESTMENTS-AT-VALUE]                       279286676
[RECEIVABLES]                                  4527213
[ASSETS-OTHER]                                    6521
[OTHER-ITEMS-ASSETS]                            146838
[TOTAL-ASSETS]                               283967248
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                       528843
[TOTAL-LIABILITIES]                             528843
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                     260323316
[SHARES-COMMON-STOCK]                           175212
[SHARES-COMMON-PRIOR]                                0
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                       (788813)
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                      23903902
[NET-ASSETS]                                 283438405
[DIVIDEND-INCOME]                              5617968
[INTEREST-INCOME]                             15162658
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               (2999927)
[NET-INVESTMENT-INCOME]                       17780699
[REALIZED-GAINS-CURRENT]                       2830576
[APPREC-INCREASE-CURRENT]                     33075737
[NET-CHANGE-FROM-OPS]                         53687012
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                      (40696)
[DISTRIBUTIONS-OF-GAINS]                       (16634)
[DISTRIBUTIONS-OTHER]                            (491)
[NUMBER-OF-SHARES-SOLD]                         180493
[NUMBER-OF-SHARES-REDEEMED]                       9996
[SHARES-REINVESTED]                               4715
[NET-CHANGE-IN-ASSETS]                        23467948
[ACCUMULATED-NII-PRIOR]                         251982
[ACCUMULATED-GAINS-PRIOR]                    (1121099)
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          1306546
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                3056454
[AVERAGE-NET-ASSETS]                            688389
[PER-SHARE-NAV-BEGIN]                             9.55
[PER-SHARE-NII]                                   0.39
[PER-SHARE-GAIN-APPREC]                           0.90
[PER-SHARE-DIVIDEND]                            (0.46)
[PER-SHARE-DISTRIBUTIONS]                       (0.11)
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              10.27
[EXPENSE-RATIO]                                   1.88
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0

                               PIONEER INCOME FUND



                   Multiple Class Plan Pursuant to Rule 18f-3

                        Class A Shares and Class B Shares

                                 October 4, 1995


     Each class of shares of PIONEER  INCOME  FUND (the  "Fund"),  will have the
same relative  rights and  privileges  and be subject to the same sales charges,
fees and expenses,  except as set forth below. The Board of Trustees of the Fund
may determine in the future that other distribution arrangements, allocations of
expenses  (whether  ordinary or  extraordinary)  or services to be provided to a
class of shares are  appropriate  and amend this Plan  accordingly  without  the
approval  of  shareholders  of any  class.  Except  as set  forth in the  Fund's
prospectus, shares may be exchanged only for shares of the same class of another
Pioneer mutual fund.

     Article I.  Class A Shares

     Class A Shares are sold at net asset value and subject to the initial sales
charge  schedule  or  contingent  deferred  sales  charge  ("CDSC")  and minimum
purchase  requirements  as set forth in the  Fund's  prospectus.  Class A Shares
shall be entitled to the shareholder services set forth from time to time in the
Fund's prospectus with respect to Class A Shares.  Class A Shares are subject to
fees calculated as a stated percentage of the net assets attributable to Class A
shares  under the Fund's  Class A Rule 12b-1  Distribution  Plan as set forth in
such  Distribution  Plan. The Class A Shareholders have exclusive voting rights,
if any,  with  respect to the Class A Rule  12b-1  Distribution  Plan.  Transfer
agency fees are allocated to Class A Shares on a per account basis except to the
extent,  if any, such an allocation  would cause the Fund to fail to satisfy any
requirement  necessary  to obtain or rely on a private  letter  ruling  from the
Internal Revenue Service ("IRS") relating to the issuance of multiple classes of
shares.  Class A shares  shall  bear the  costs  and  expenses  associated  with
conducting a shareholder meeting for matters relating to Class A shares.


<PAGE>



     Article II.  Class B Shares

     Class B Shares are sold at net asset value per share without the imposition
of an initial sales charge.  However, Class B shares redeemed within a specified
number of years of purchase will be subject to a CDSC as set forth in the Fund's
prospectus. Class B Shares are sold subject to the minimum purchase requirements
set forth in the Fund's  prospectus.  Class B Shares  shall be  entitled  to the
shareholder  services set forth from time to time in the Fund's  prospectus with
respect to Class B Shares.  Class B Shares are subject to fees  calculated  as a
stated  percentage  of the net assets  attributable  to Class B shares under the
Class B Rule 12b-1 Distribution Plan as set forth in such Distribution Plan. The
Class B  Shareholders  of the Fund have exclusive  voting  rights,  if any, with
respect to the Fund's Class B Rule 12b-1 Distribution Plan. Transfer agency fees
are allocated to Class B Shares on a per account basis except to the extent,  if
any, such an allocation  would cause the Fund to fail to satisfy any requirement
necessary to obtain or rely on a private  letter ruling from the IRS relating to
the issuance of multiple classes of shares.  Class B shares shall bear the costs
and  expenses  associated  with  conducting  a  shareholder  meeting for matters
relating to Class B shares.

     Class B Shares will automatically  convert to Class A Shares of the Fund at
the end of a specified  number of years after the initial purchase date of Class
B shares,  except as provided in the Fund's  prospectus.  Such  conversion  will
occur at the  relative  net  asset  value per share of each  class  without  the
imposition of any sales charge,  fee or other charge.  The conversion of Class B
Shares  to  Class  A  Shares  may be  suspended  if it is  determined  that  the
conversion  constitutes or is likely to constitute a taxable event under federal
income tax law.

     The  initial  purchase  date  for  Class  B  shares  acquired  through  (i)
reinvestment  of  dividends  on Class B Shares  or (ii)  exchange  from  another
Pioneer  mutual fund will be deemed to be the date on which the original Class B
shares were purchased.

     Article III.     Approval by Board of Trustees

     This Plan shall not take effect until it has been approved by the vote of a
majority (or whatever  greater  percentage  may,  from time to time, be required
under Rule 18f-3  under the  Investment  Company  Act of 1940,  as amended  (the
"Act")) of (a) all of the  Trustees of the Fund,  and (b) those of the  Trustees
who are not  "interested  persons" of the Fund, as such term may be from time to
time defined under the Act.

     Article IV.      Amendments

     No material  amendment to the Plan shall be effective unless it is approved
by the Board of Trustees in the same manner as is provided  for approval of this
Plan in Article III.


                                      -2-


                               PIONEER INCOME FUND


                   Multiple Class Plan Pursuant to Rule 18f-3

                Class A Shares, Class B Shares and Class C Shares

                                January 31, 1996


     Each class of shares of PIONEER  INCOME  FUND (the  "Fund"),  will have the
same relative  rights and  privileges  and be subject to the same sales charges,
fees and  expenses,  except  as set  forth  below.  The  Board of  Trustees  may
determine in the future that other  distribution  arrangements,  allocations  of
expenses  (whether  ordinary or  extraordinary)  or services to be provided to a
class of shares are  appropriate  and amend this Plan  accordingly  without  the
approval  of  shareholders  of any  class.  Except  as set  forth in the  Fund's
prospectus, shares may be exchanged only for shares of the same class of another
Pioneer mutual fund.

     Article I.  Class A Shares

     Class A Shares are sold at net asset value and subject to the initial sales
charge  schedule  or  contingent  deferred  sales  charge  ("CDSC")  and minimum
purchase  requirements  as set forth in the  Fund's  prospectus.  Class A Shares
shall be entitled to the shareholder services set forth from time to time in the
Fund's prospectus with respect to Class A Shares.  Class A Shares are subject to
fees calculated as a stated percentage of the net assets attributable to Class A
shares  under the Fund's  Class A Rule 12b-1  Distribution  Plan as set forth in
such  Distribution  Plan. The Class A Shareholders have exclusive voting rights,
if any,  with  respect to the Class A Rule  12b-1  Distribution  Plan.  Transfer
agency fees are allocated to Class A Shares on a per account basis except to the
extent,  if any, such an allocation  would cause the Fund to fail to satisfy any
requirement  necessary  to obtain or rely on a private  letter  ruling  from the
Internal Revenue Service ("IRS") relating to the issuance of multiple classes of
shares.  Class A shares  shall  bear the  costs  and  expenses  associated  with
conducting a shareholder meeting for matters relating to Class A shares.

     Article II.  Class B Shares

     Class B Shares are sold at net asset value per share without the imposition
of an initial sales charge.  However, Class B 
<PAGE>
shares redeemed  within a specified  number of years of purchase will be subject
to a CDSC as set forth in the Fund's prospectus. Class B Shares are sold subject
to the minimum purchase requirements set forth in the Fund's prospectus. Class B
Shares shall be entitled to the shareholder services set forth from time to time
in the Fund's  prospectus  with  respect  to Class B Shares.  Class B Shares are
subject to fees calculated as a stated percentage of the net assets attributable
to Class B shares under the Class B Rule 12b-1 Distribution Plan as set forth in
such  Distribution  Plan.  The Class B  Shareholders  of the Fund have exclusive
voting  rights,  if  any,  with  respect  to  the  Fund's  Class  B  Rule  12b-1
Distribution Plan. Transfer agency fees are allocated to Class B Shares on a per
account basis except to the extent,  if any, such an allocation  would cause the
Fund to fail to satisfy any requirement necessary to obtain or rely on a private
letter  ruling  from the IRS  relating to the  issuance  of multiple  classes of
shares.  Class B shares  shall  bear the  costs  and  expenses  associated  with
conducting a shareholder meeting for matters relating to Class B shares.

     Class B Shares will automatically  convert to Class A Shares of the Fund at
the end of a specified  number of years after the initial purchase date of Class
B shares,  except as provided in the Fund's  prospectus.  Such  conversion  will
occur at the  relative  net  asset  value per share of each  class  without  the
imposition of any sales charge,  fee or other charge.  The conversion of Class B
Shares  to  Class  A  Shares  may be  suspended  if it is  determined  that  the
conversion  constitutes or is likely to constitute a taxable event under federal
income tax law.

     The  initial  purchase  date  for  Class  B  shares  acquired  through  (i)
reinvestment  of  dividends  on Class B Shares  or (ii)  exchange  from  another
Pioneer  mutual fund will be deemed to be the date on which the original Class B
shares were purchased.

     Article III.     Class C Shares

     Class C Shares are sold at net asset value per share without the imposition
of an initial sales charge.  However, Class C shares redeemed within one year of
purchase will be subject to a CDSC as set forth in the Fund's prospectus.  Class
C Shares are sold subject to the minimum purchase  requirements set forth in the
Fund's prospectus.  Class C Shares shall be entitled to the shareholder services
set forth from time to time in the  Fund's  prospectus  with  respect to Class C
Shares.  Class C Shares are subject to fees calculated as a stated percentage of
the net  assets  attributable  to Class C shares  under the  Class C Rule  12b-1
Distribution  Plan  as  set  forth  in  such  Distribution  Plan.  The  Class  C
Shareholders of the Fund have exclusive  voting rights,  if any, with respect to
the Fund's  Class C Rule  12b-1  Distribution  Plan.  Transfer  agency  fees are
allocated to Class C Shares on a


                                      -2-
<PAGE>

per account basis except to the extent,  if any, such an allocation  would cause
the Fund to fail to satisfy  any  requirement  necessary  to obtain or rely on a
private letter ruling from the IRS relating to the issuance of multiple  classes
of shares.  Class C shares  shall bear the costs and  expenses  associated  with
conducting a shareholder meeting for matters relating to Class C shares.

     The  initial  purchase  date  for  Class  C  shares  acquired  through  (i)
reinvestment  of  dividends  on Class C Shares  or (ii)  exchange  from  another
Pioneer  mutual fund will be deemed to be the date on which the original Class C
shares were purchased.

     Article IV.      Approval by Board of Trustees

     This Plan shall not take effect until it has been approved by the vote of a
majority (or whatever  greater  percentage  may,  from time to time, be required
under Rule 18f-3  under the  Investment  Company  Act of 1940,  as amended  (the
"Act")) of (a) all of the Trustees of the Trust,  on behalf of the Fund, and (b)
those of the Trustees  who are not  "interested  persons" of the Trust,  as such
term may be from time to time defined under the Act.

     Article V.       Amendments

     No material  amendment to the Plan shall be effective unless it is approved
by the Board of Trustees in the same manner as is provided  for approval of this
Plan in Article IV.











                                      -3-



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