PIONEER INCOME FUND
497, 1995-10-11
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[PIONEER LOGO]
   
Pioneer
Income
Fund
Prospectus
Class A and B Shares
April 28, 1995
(revised October 9, 1995)

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 (Part A of the Registration Statement) 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 (Part B of the
Registration Statement), dated April 28, 1995 (revised October 9, 1995),
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                 4
IV.     MANAGEMENT OF THE FUND                                   6
V.      FUND SHARE ALTERNATIVES                                  7
VI.     SHARE PRICE                                              7
VII.    HOW TO BUY FUND SHARES                                   8
         Class A Shares                                          8
         Class B Shares                                          9
VIII.   HOW TO SELL FUND SHARES                                 10
IX.     HOW TO EXCHANGE FUND SHARES                             11
X.      DISTRIBUTION PLANS                                      12
XI.     DIVIDENDS, DISTRIBUTIONS AND TAXATION                   13
XII.    SHAREHOLDER SERVICES                                    13
         Account and Confirmation Statements                    13
         Additional Investments                                 13
         Automatic Investment Plans                             13
         Financial Reports and Tax Information                  14
         Distribution Options                                   14
         Directed Dividends                                     14
         Direct Deposit                                         14
         Voluntary Tax Withholding                              14
         Telephone Transactions and Related Liabilities         14
         FactFone(SM)                                           14
         Retirement Plans                                       14
         Telecommunications Device for the Deaf (TDD)           14
         Systematic Withdrawal Plans                            15
         Reinstatement Privilege (Class A only)                 15
XIII.   THE FUND                                                15
XIV.    INVESTMENT RESULTS                                      15
    

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 estimated annual operating expenses based on
actual expenses of the Class A shares for the fiscal year ended December 31,
1994.

Shareholder Transaction Expenses:                Class A     Class B+
Maximum Initial Sales Charge on Purchases
  (as a percentage of offering price)             4.50%(1)     None
Maximum Sales Charge on Reinvestment of
  Dividends                                       None         None
Maximum Deferred Sales Charge                     None(1)      4.00%
Redemption Fee(2)                                 None         None
Exchange Fee                                      None         None
Annual Operating Expenses
  (as a Percentage of Net Assets):(3)
Management Fees                                   0.48%        0.48%
12b-1 Fees                                        0.25%        1.00%
Other Expenses
   (including accounting and transfer agent
   fees, custodian fees and printing
   expenses)                                      0.38%        0.38%
                                                  ------      ---------
Total Operating Expenses:                         1.11%        1.86%
                                                  ======      =========

   
+ Class B shares are a new class of shares, first offered on April 28, 1995.

(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 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.

(3) For Class B shares, operating expenses are based on estimated expenses
    that would have been incurred during the previous fiscal year had Class B
    shares been outstanding.
    

    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                       $59       $88        $121      $199*
- --Assuming no redemption               $19       $58        $101      $199*

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

   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, 1994 has been
derived from financial statements of the Fund which have been audited by
Arthur Andersen LLP, independent public accountants, in connection with their
examination of the Fund's financial statements. Arthur Andersen LLP's report
on the Fund's financial statements as of December 31, 1994 appears in the
Fund's Annual Report which is incorporated by reference into the Statement of
Additional Information. The information for the years from 1985 through 1993
has been derived from financial statements which have been audited by the
Fund's then independent public accountants, Coopers & Lybrand. Class B shares
are a new class of shares; no financial highlights exist for Class B 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,+

                                             ---------------------------------------------------------------
                                                1994         1993         1992          1991       1990
                                              ---------    ---------    ---------    ---------  -----------
<S>                                           <C>          <C>          <C>          <C>           <C>
Net asset value, beginning of year            $  10.21     $  10.13     $  10.14     $   9.14     $  9.53
                                                -------      -------      -------      -------     --------
Income from investment operations--
 Net investment income                        $   0.66     $   0.65     $   0.65     $   0.65     $  0.70
 Net realized and unrealized
   gain (loss) on investments                    (1.09)        0.37         0.09         1.00       (0.38)
                                                -------      -------      -------      -------     --------
  Total income (loss) from
    investment operations                     $  (0.43)    $   1.02     $   0.74     $   1.65$       0.32
Distribution to shareholders from--
 Net investment income                           (0.67)       (0.64)       (0.66)       (0.65)      (0.71)
 Net realized capital gains                       0.00        (0.30)       (0.09)        0.00        0.00
                                                -------      -------      -------      -------     --------
Net increase (decrease) in net asset value    $  (1.10)    $   0.08     $  (0.01)    $   1.00    $  (0.39)
                                                -------      -------      -------      -------     --------
Net asset value, end of year                  $   9.11     $  10.21     $  10.13     $  10.14    $   9.14
                                                =======      =======      =======      =======     ========
Total return(1)                                  (4.31%)      10.24%        7.59%       18.62%       3.59%
Ratio of net operating expenses to average
  net assets                                      1.11%        1.06%        0.99%        1.04%       0.94%
Ratio of net investment income to average
  net assets                                      7.07%        6.52%        6.47%        6.73%       7.67%
Portfolio turnover rate                             50%          69%          54%          43%         44%
Net assets end of year
  (in thousands)                              $259,970     $296,699     $250,033     $197,184    $166,205
</TABLE>

<TABLE>
<CAPTION>
                                                1989         1988         1987            1986          1985
                                              ---------    ---------    ---------    ---------      -----------
<S>                                           <C>          <C>          <C>          <C>            <C>
Net asset value, beginning of year            $   8.92     $   8.67     $   8.94     $   9.17       $  8.28
                                                -------      -------      -------      -------      ---------
Income from investment operations--
 Net investment income                        $   0.74     $   0.77     $   0.76     $   0.80       $  0.80
 Net realized and unrealized
   gain (loss) on investments                     0.63         0.27        (0.14)        0.04          1.09
                                                -------      -------      -------      -------      ---------
  Total income (loss) from
    investment operations                     $   1.37     $   1.04     $   0.62     $   0.84       $  1.89
Distribution to shareholders from--
 Net investment income                           (0.75)       (0.76)       (0.76)       (0.80)       (0.80)
 Net realized capital gains                      (0.01)       (0.03)       (0.13)       (0.27)       (0.20)
                                                -------      -------      -------      -------      ---------
Net increase (decrease) in net asset value    $   0.61     $   0.25     $  (0.27)    $  (0.23)     $  0.89
                                                -------      -------      -------      -------      ---------
Net asset value, end of year                  $   9.53     $   8.92     $   8.67     $   8.94      $  9.17
                                                =======      =======      =======      =======      =========
Total return(1)                                  15.89%       12.29%        6.82%        9.29%       23.84%
Ratio of net operating expenses to average
  net assets                                      0.78%        0.80%        0.79%        0.77%        0.80%
Ratio of net investment income to average
  net assets                                      7.98%        8.55%        8.29%        8.46%        9.05%
Portfolio turnover rate                             69%          87%         115%          76%         136%
Net assets end of year
  (in thousands)                              $169,607     $159,212     $149,659     $118,760      $75,365
</TABLE>

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

(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>

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. However, in its review of
individual securities, the market and general economic conditions, the Fund
may sell any security without regard to the period of time it has been held.
Such sales may cause the Fund's portfolio turnover rate to exceed 100% and
may cause it to incur greater brokerage commissions than would otherwise be
the case.

   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 such 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 1994, 32% of the Fund's net
assets were invested in equity securities, 2% in cash and equivalents and 66%
in debt securities. Of the Fund's net assets, 21% 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, 4% rated A/A,
17% rated BBB/Baa, 13% rated BB/Ba and 5% rated B/B. Only 4% 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 date
as the option that the Fund has written. The Fund will receive a premium for
writing a call

                                    4
<PAGE>

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 purchase securities that are not registered or are offered in
an exempt non-public offering ("restricted securities") under the Securities
Act of 1933 ("1933 Act"), including securities eligible for resale to
"qualified institutional buyers" in accordance with Rule 144A under the 1933
Act. However, the Fund will not invest more than 15% of its net assets in
illiquid investments, which includes repurchase agreements maturing in more
than seven days, securities that are not readily marketable and restricted
securities, unless the Board of Trustees of the Fund determines, based upon a
continuing review of the trading markets for the specific restricted
security, that such restricted security eligible for resale in accordance
with Rule 144A is liquid. 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
portfolios, 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

                                       5
<PAGE>

of the underlying obligations could be delayed or limited, which could
adversely affect the price the Fund receives for such obligations. 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. Prior to December 1, 1993, FMC acted as investment
adviser and principal underwriter to 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 the SEC; (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

                                       6
<PAGE>

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 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%

   PMC has agreed that until December 1, 1995, its fee shall not exceed the
fee that would have been payable under the prior management contract with
FMC. See the Statement of Additional Information for a discussion of the fee
payable under the prior management agreement.

   For the fiscal year ended December 31, 1994, the Fund paid a management
fee of $ 1,341,020 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 15% of the outstanding capital stock of PGI as of January 31,
1995.

V. FUND SHARE ALTERNATIVES

   The Fund continuously offers two Classes of shares designated as Class A
and Class B 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 contingent deferred sales charge
("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. Purchasing
Class A or Class B 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.

   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 fund and
shares acquired in the exchange will continue to be subject to any CDSC
applicable to the shares of the Fund originally purchased. Shares sold
outside the U.S. to persons who are not U.S. citizens may be subject to
different sales charges, CDSCs and dealer compensation arrangements in
accordance with local laws and business practices.

VI. SHARE PRICE

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

   Securities are valued at the last sale price on the principal exchange or
market where they are traded. Securities which have not traded on the date of
valuation or securities for which sales prices are not generally reported are
valued at the mean between the current bid and asked prices. Securities
quoted in foreign currencies are converted to U.S. dollars utilizing foreign
exchange rates employed by the Fund's independent pricing services.
Generally, trading in foreign securities is substantially completed each day
at various times prior to the close of the Exchange. The values of such
securities used in computing the net asset value of the Fund's shares are
determined as of such times. Foreign currency exchange rates are also
generally determined prior to the close of the Exchange. Occasionally, events
which affect the values of such securities and such exchange rates may occur
between the times at which they are determined and the close of the Exchange
and will therefore not be reflected in


                                       7
<PAGE>

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 at the public offering price 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 for assistance.

   The minimum initial investment is $1,000 for Class A and Class B 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 shares except that the subsequent minimum investment
amount for Class B 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 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 IRA accounts 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 acceptance 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 pays 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 Internal Revenue Code of 1986, as
amended (the "Code"), although more than one beneficiary is involved. The
sales charges applicable to a current purchase of Class A shares of the Fund
by a person listed above is determined by adding the value of shares to be
purchased to the aggregate value (at the then current offering price) of
shares of any of the other Pioneer mutual funds previously purchased and then
owned (except direct purchases of Pioneer Money Market Trust's Class A
Shares), 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.
    

                                       8
<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 a Fund may be sold at net asset value per
share without a sales charge to Optional Retirement 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. 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 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 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 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


                                       9
<PAGE>

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.

Waiver or Reduction of Contingent Deferred Sales Charge.

   The CDSC on Class B shares and on any Class A shares subject to a CDSC 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 and on any Class A shares subject to a CDSC may
be waived or reduced for retirement plan accounts if: (a) the redemption
results from the death or a total and permanent disability (as defined in
Section 72 of the Code) occurring after the purchase of the shares being
redeemed of a shareholder or participant in an employer-sponsored retirement
plan; (b) the distribution is to a participant in an Individual Retirement
Account ("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 B 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 either Class of Fund shares received by PFD from a
broker-dealer prior to the close of regular trading on the Exchange is confirmed
at the price appropriate for that Class as determined at the close of regular
trading on the Exchange on the day the order is received, provided the order is
received 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 and accepted less any applicable CDSC. Sale proceeds
generally will be sent to you in cash, normally within seven days after your
order is accepted. 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,

                                       10

<PAGE>

(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 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 the 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
    

                                       11

<PAGE>

   
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 account for shares of the same Class in another Pioneer 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.

   Class A or Class B 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 Class B 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. To prevent abuse of the exchange privilege to the
detriment of other Fund shareholders, the Fund and PFD reserve the right to
limit the number and/or frequency of exchanges and/or to charge a fee for
exchanges. The exchange privilege may be changed or discontinued and may be
subject to additional limitations, including certain restrictions on
purchases by market timer accounts.
    

X. DISTRIBUTION PLANS

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

   Pursuant to the Class A Plan, the Fund reimburses PFD for its actual
expenditures to finance any activity primarily intended to result in the sale
of Class A shares or to provide services to holders of Class A shares,
provided the categories of expenses for which reimbursement is made are
approved by the Fund's Board of Trustees. As of the date of this Prospectus,
the Board of Trustees has approved the following categories of expenses for
Class A shares of the Fund: (i) a service fee to be paid to qualified
broker-dealers in an amount not to exceed 0.25% per annum of the Fund's daily
net assets attributable to Class A shares; (ii) reimbursement to PFD for its
expenditures for broker-dealer commissions and employee compensation on
certain sales of the Fund's Class A shares with no initial sales charge (See
"How to Buy Fund Shares"); and (iii) reimbursement to PFD for expenses
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.

   The Class B Plan provides 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
Class B 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 Class B 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
shares. PFD also receives the proceeds of any CDSC imposed on the redemption
of Class B 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. 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 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.
    


                                       12
<PAGE>

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 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 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 a 31% backup withholding of federal
income tax if the Fund is not provided with the shareholder's correct
taxpayer identification number and certification that the number is correct
and 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 volun-


                                       13
<PAGE>

tary, 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 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 telephone 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 8:00 p.m. Eastern Time on weekdays. Computer-assisted
transactions may be available to shareholders who have pre-recorded certain bank
information (see "FactFone(SM)"). You are strongly urged to consult with your
financial representative prior to requesting any telephone transaction. To
confirm that each transaction instruction received by telephone is genuine, the
Fund will record each telephone transaction, require the caller to provide the
personal identification number ("PIN") for the account and send you a written
confirmation of each telephone transaction. Different procedures may apply to
accounts that are registered to non-U.S. citizens or that are held in the name
of an institution or in the name of an investment broker-dealer or other
third-party. If reasonable procedures, such as those described above, are not
followed, the Fund may be liable for any loss due to unauthorized or fraudulent
instructions. The Fund may implement other procedures from time to time. In all
other cases, neither the Fund, PSC or PFD will be responsible for the
authenticity of instructions received by telephone, therefore, you bear the risk
of loss for unauthorized or fraudulent telephone transactions.
    
   During times of economic turmoil or market volatility or as a result of
severe weather or a natural disaster, it may be difficult to contact the Fund
by telephone to institute a redemption or exchange. You should communicate
with the Fund in writing if you are unable to reach the Fund by telephone.

   
FactFone(SM)

   FactFone is an automated inquiry and telephone transaction system
available to Pioneer shareholders by dialing 1-800-225-4321. FactFone 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 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 FactFone. 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.


                                       14
<PAGE>

   
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 shares accounts are 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 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 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 two classes of shares, designated as
Class A and Class B. 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 and Class B
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


                                       15
<PAGE>

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
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.


                                       16

<PAGE>

   
                                    Notes
    


                                       17

<PAGE>

   
                                    Notes
    


                                       18

<PAGE>

   
THE PIONEER FAMILY OF MUTUAL FUNDS

International Growth Funds

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

Growth Funds

Pioneer Gold Shares
Pioneer Growth Shares
Pioneer Capital Growth Fund

Growth and Income Funds

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

Income Funds

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

Tax-Free Income Funds
    

Pioneer California Double Tax-Free Fund*
Pioneer Massachusetts Double Tax-Free Fund*
Pioneer New York Triple Tax-Free Fund*
Pioneer Tax-Free Income Fund*
Pioneer Intermediate Tax-Free Fund*

   
Money Market Funds

Pioneer Tax-Free Money Fund*
Pioneer Cash Reserves Fund
Pioneer U.S. Government Money 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
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

1095-2767
(C)Pioneer Funds Distributor, Inc.
    

                               PIONEER INCOME FUND
                                 60 State Street
                           Boston, Massachusetts 02109

                       STATEMENT OF ADDITIONAL INFORMATION


                           Class A and Class B Shares

                                 April 28, 1995
   
                            (revised October 9, 1995)


         This Statement of Additional  Information  (Part B of the  Registration
Statement)  is not a  Prospectus,  but  should be read in  conjunction  with the
Prospectus (the "Prospectus")  dated April 28, 1995 (revised October 9, 1995) 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.
    


                                TABLE OF CONTENTS
                                                                        Page

   
1.    Investment Objective and Policies.................................B-2
2.    Investment Restrictions...........................................B-4
3.    Management of the Fund............................................B-5
4.    Investment Adviser................................................B-10
5.    Underwriting Agreement and Distribution Plans.....................B-12
6.    Shareholder Servicing/Transfer Agent..............................B-14
7.    Custodian.........................................................B-14
8.    Principal Underwriter.............................................B-14
9.    Independent Public Accountant.....................................B-15
10.  Portfolio Transactions.............................................B-15
11.  Tax Status and Dividends...........................................B-17
12.  Shares of the Fund.................................................B-20
13.  Determination of Net Asset Value...................................B-21
14.  Systematic Withdrawal Plan.........................................B-22
15.  Letter of Intention................................................B-23
16.  Investment Results.................................................B-23
17.  General Information................................................B-27
18.  Financial Statements...............................................B-27
      Appendix A........................................................B-28
      Appendix B........................................................B-32
    


       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

In determining the liquidity of Rule 144A securities, the Fund's officers, under
guidelines  established by the Fund's Board of Trustees,  will consider: (1) the
unregistered  nature  of a Rule  144A  security;  and (2) any  relevant  factors
related to the marketability of the Rule 144A security,  which may include:  (a)
the frequency of trades and quotes for the  security;  (b) the number of dealers
willing to  purchase  or sell the  security  and the  number of other  potential
purchasers;  (c) the willingness of dealers to undertake to make a market in the
security;  and (d) the  nature of the  marketplace  trades,  including  the time
needed to dispose of the  security,  the method of  soliciting  offers,  and the
mechanics of transfer.

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.

                                      B-2
<PAGE>

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.

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. 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.

                                      B-3
<PAGE>

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  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;

                                      B-4
<PAGE>

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.

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 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


                                      B-5
<PAGE>

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 1940
Act.

   
JOHN F. COGAN, JR.*,                       President and Director of The
Chairman of the Board,                     Pioneer Group, Inc. ("PGI");
                                           President and Trustee Chairman and
                                           Director of Pioneering Management
                                           Corporation ("PMC"); Chairman of the
                                           Board and Chief Executive Officer of
                                           Pioneer Winthrop Advisers ("PWA")
                                           since 1993; Chairman of the Board of
                                           Pioneer Funds Distributor, Inc.
                                           ("PFD"); Director of Pioneering
                                           Services Corporation ("PSC") and
                                           Pioneer Capital Corporation ("PCC");
                                           President and Director of Pioneer
                                           Plans Corporation ("PPC"), Pioneer
                                           Investment Corp. ("PIC"), Pioneer
                                           International Corp. ("PIntl"), and
                                           Pioneer Metals & Technology, Inc.
                                           ("PMT"); Chairman of the Board and
                                           Director of Teberebie Goldfields
                                           Limited; President and Director of
                                           Pioneer Goldfields Limited ("PGL");
                                           Chairman of the Supervisory Board of
                                           Pioneer Fonds Marketing GmbH;
                                           Chairman and President of the
                                           Pioneeer mutual funds and Chairman
                                           and Partner, Hale and Dorr (counsel
                                           to the Fund).

RICHARD H. EGDAHL, M.D.,                   Professor of Management, Boston
Trustee                                    University School of Management,
  Boston University                        since 1988; Professor of Public
    Health Policy                          Health, Boston University School of
    Institute                              Public Health; Professor of Surgery,
  53 Bay State Road                        Boston University School of Medicine
                                           Boston, Massachusetts and Boston
                                           University Health Policy Institute;
                                           Director, 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
                                           utilization management firm);
                                           Springer-Verlag New York, Inc.
                                           (publisher); Honorary Trustee,
                                           Franciscan Children's Hospital and
                                           Trustee of all the Pioneer mutual
                                           funds.
    

                                      B-6
<PAGE>

   
MARGARET B.W. GRAHAM,                      Manager of Research Operations,
Trustee                                    Xerox Palo Alto Research Center,
  The Keep                                 since September 1991; Professor of
  Post Office Box 110                      Operations Management and Management
                                           Little Deer Isle, Maine of
                                           Technology, Boston University School
                                           of Management ("BUSM"), since 1989;
                                           Associate Dean, BUSM, 1988 to 1990;
                                           previously, Associate Professor,
                                           Department of Operations Management,
                                           BUSM and Trustee of all the Pioneer
                                           mutual funds, except Pioneer Variable
                                           Contracts Trust.

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


MARGUERITE A. PIRET,                       President, Newbury, Piret & Company,
Trustee                                    Inc. (a merchant banking firm); 
  One Boston Place,                        Trustee of all the Pioneer mutual   
  Suite 2363                               funds.
  Boston, Massachusetts

DAVID D. TRIPPLE*,                         Executive Vice President and
Trustee and Executive                      Director of PGI and PWA since 1993;
                                           Vice President Director of PFD, since
                                           1989; Director of PCC, PIC, Pintl,
                                           and Corporation; President (since
                                           1993); Director, President and, Chief
                                           Investment Officer of PMC and Trustee
                                           of all the Pioneer mutual funds.

STEPHEN K. WEST,                           Partner, Sullivan & Cromwell (a law
Trustee                                    firm); Trustee, The Winthrop Focus
  125 Broad Street                         Funds (mutual funds) and Trustee of 
  New York, New York                       all the Pioneer mutual funds.

                                      B-7
<PAGE>

JOHN WINTHROP,                             President, John Winthrop & Co., Inc.
Trustee                                    (a private investment firm); Director
  One North Adgers Wharf                   of NUI Corp;  Trustee of
                                           Charleston, South Carolina Alliance
                                           Capital Reserves, Alliance Government
                                           Reserves and Alliance Tax Exempt
                                           Reserves and Trustee of all the
                                           Pioneer mutual funds, except Pioneer
                                           Variable Contracts Trust.     

JOHN A. CAREY                              Vice President, PMC.
Vice President

   
WILLIAM H. KEOUGH,                         Senior Vice President, Chief
                                           Treasurer Financial Officer and
                                           Treasurer of PGI; Treasurer of PFD,
                                           PMC, PSC, PCC, PPC, and Pioneer SBIC
                                           Corporation; Treasurer and Director
                                           of PPC and Treasurer of all the
                                           Pioneer mutual funds. 

JOSEPH P. BARRI,                           Secretary of PGI, PMC, PPC,
                                           Secretary PIC and PCC; Clerk of PFD
                                           and PSC and Partner, Hale and Dorr
                                           (counsel to the Fund) and Secretary
                                           of all the Pioneer mutual funds.

ROBERT NAULT,                              General Counsel of PGI since 1995;
Assistant                                  Secretary formerly of
                                           Hale and Dorr (counsel to the Trust)
                                           where he most recently served as a
                                           junior partner; Assistant Secretary
                                           of all the Pioneer mutual funds.

ERIC W. RECKARD,                           Manager of Fund Accounting and
                                           Assistant Treasurer Compliance of PMC
                                           since 1994; Manager of Auditing and
                                           Business Analysis of PGI (until
                                           1994); Assistant Treasurer of all the
                                           Pioneer mutual funds.

The Fund's  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  special
meeting  of  shareholders.  The  business  address of all  officers  is 60 State
Street, Boston, Massachusetts 02109.

    

All of the outstanding  capital stock of PMC and PSC is owned by PGI, a Delaware
corporation.  All the  outstanding  capital stock of PFD is indirectly  owned by
PGI. The table below lists all the Pioneer Funds,  including the Fund, currently
offered to the public and the investment  adviser and principal  underwriter for
each fund.

                                      B-8
<PAGE>

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 Fund                                       PMC              PFD
Pioneer II                                         PMC              PFD
Pioneer Three                                      PMC              PFD
Pioneer Growth Shares                              PMC              PFD
Pioneer Capital Growth Fund                        PMC              PFD
Pioneer Equity-Income Fund                         PMC              PFD
Pioneer Gold Shares                                PMC              PFD
Pioneer Real Estate Shares                         PMC              PFD
Pioneer Europe Fund                                PMC              PFD
Pioneer International Growth Fund                  PMC              PFD
Pioneer India Fund                                 Note 1           PFD
Pioneer Emerging Markets Fund                      PMC              PFD
Pioneer Bond Fund                                  PMC              PFD
Pioneer America Income Trust                       PMC              PFD
Pioneer Short-Term Income Fund                     PMC              PFD
Pioneer Income Fund                                PMC              PFD
Pioneer Tax-Free Income Fund                       PMC              PFD
Pioneer Intermediate Tax-Free Fund                 PMC              PFD
Pioneer California Double Tax-Free Fund            PMC              PFD
Pioneer New York Triple Tax-Free Fund              PMC              PFD
Pioneer Massachusetts Double Tax-Free Fund         PMC              PFD
Pioneer Cash Reserves Fund                         PMC              PFD
Pioneer U.S. Government Money Fund                 PMC              PFD
Pioneer Tax-Free Money Fund                        PMC              PFD
Pioneer Interest Shares, Inc.                      PMC              Note 2
Pioneer Variable Contracts Trust                   PMC              Note 3
    
- -------------
   

Note 1 ITI Pioneer AMC Ltd.  manages the Fund's  investments  in India,  and PMC
       manages all of the Fund's other investments

Note 2 This is a closed-end fund and it is underwritten by Mellon Bank.

Note 3 This is a series of seven  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, 1995, 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  15% of such shares.  As of
March 31, 1995,  the officers and trustees held in aggregate less than 1% of the
outstanding  shares of the Fund.  As of March 31, 1995,  to the knowledge of the
Fund, no person  beneficially  owned 5% or more of the outstanding shares of the
Fund.

                                      B-9
<PAGE>

Compensation of Officers and Trustees

The Fund pays no salaries or compensation to any of its officers.  The Fund pays
an annual fee of $1,000  plus $100 per meeting  attended to each  Trustee who is
not  affiliated  with PMC,  PFD or PSC.  The Fund pays the Chairman of the Audit
Committee  an annual fee of $250 and pays 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 pays 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  sets  forth  certain  information  with  respect  to  the
compensation of each Trustee of the Fund:

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


John F. Cogan, Jr.            $  500               $0              $11,750
David D. Tripple                 500                0               11,750
Richard H. Egdahl, M.D.        3,200                0               55,650
Margaret B.W. Graham           3,200                0               55,650
John W. Kendrick               3,200                0               55,650
Marguerite A. Piret            3,500                0               66,650
Stephen K. West                3,400                0               63,650
John Winthrop                  3,400                0               63,650

 *       As of Fund's fiscal year end.
**       As of December 31, 1994 (calendar year end for all Pioneer Funds).


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.

                                      B-10
<PAGE>

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 has 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  $1,079,037  in  management  fees to FMC for the fiscal year ended
December 31, 1992 and  $1,228,585  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 in management fees to
PMC for the fiscal year ended December 31, 1994.

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


                                      B-11
<PAGE>

reimbursement  was  paid by FMC or PMC to the Fund for the  fiscal  years  ended
December 31, 1992, 1993 or 1994.


5.UNDERWRITING AGREEMENT AND DISTRIBUTION PLANS

The Fund entered into an  Underwriting  Agreement  with PFD. 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  Shares  (the  "Class A Plan")  and a plan of
distribution with respect to Class B Shares (the "Class B Plan") (together,  the
"Plans").

Class A Plan

Pursuant to the Class A Plan, the Fund may reimburse PFD for its expenditures in
financing any activity  primarily intended to result in the sale of Fund shares.
Certain  categories  of such  expenditures  have been  approved  by the Board of
Trustees  and are set forth in the  Prospectus  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.


                                      B-12
<PAGE>

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

The  purpose  of  distribution  payments  to PFD  under  the  Class B Plan is to
compensate PFD for its  distribution  services to the Fund. PFD pays commissions
to dealers as well as  expenses of printing  prospectuses  and reports  used for
sales  purposes,  expenses with respect to the preparation and printing of sales
literature  and  other  distribution   related  expenses,   including,   without
limitation,  the  cost  necessary  to  provide  distribution-related   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 "Distributions 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  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.

                                      B-13
<PAGE>

During  the  fiscal  year ended  December  31,  1994,  the Fund  incurred  total
distribution fees pursuant to the Fund's Class A Plan of $696,271.  Distribution
fees  were  paid by the Fund to PFD in  reimbursement  of  expenses  related  to
servicing of shareholder accounts and to compensate 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 and Class B 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.
    

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 Class A and Class
B shares of each Fund.  Under the Fund's  previous  underwriting  agreement with
FMC,  FMC  received   $2,537,827  and   $2,376,000  in  aggregate   underwriting
commissions  for the fiscal year ended  December 31,  1992,  for the period from
January 1 to November 30,  1993,  of which  $329,153 and $216,280 was  retained,
respectively.  Under the Fund's  current  Underwriting  Agreement  with PFD, PFD
received  $123,000  and  $1,501,540,  respectively,  in  aggregate  underwriting
commissions for the period from December 1 through December 31, 1993 and for the


                                      B-14
<PAGE>

fiscal year ended December 31, 1994 of which $15,107 and $120,501, 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 (formerly Arthur Andersen & Co.),
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 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


                                      B-15
<PAGE>

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 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  that more than one of 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  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  $8,300,
$66,000,  and $78,278,  respectively,  for the fiscal  years ended  December 31,
1992, 1993 and 1994.

                                      B-16
<PAGE>


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 Internal
Revenue Code of 1986, as amended (the "Code"),  for qualification as a regulated
investment  company.  These  requirements  relate to the  sources  of the Fund's
income,  the  diversification of its assets, and the 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.

                                      B-17
<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 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 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.

Any loss realized upon the redemption 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 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.  The


                                      B-18
<PAGE>

Fund has $1,121,099,  of capital carryforwards,  which expire in 2002, available
to offset future capital gains.

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  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.  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  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,


                                      B-19
<PAGE>

shareholders  must  certify on their  Account  Applications,  or on separate W-9
Forms,  that the Social  Security 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,  subject to  compliance  with  certain  income-source
requirements  under Delaware law, 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
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. withholding tax (or
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 an 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 two classes of shares,
Class A and Class B.

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.

                                      B-20
<PAGE>

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  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


                                      B-21
<PAGE>

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 a class,  less the Fund's
liabilities  attributable  to that  class,  and  dividing  it by the  number  of
outstanding  shares of the 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 shares
are  offered at net asset  value  without  the  imposition  of an initial  sales
charge.


14.SYSTEMATIC WITHDRAWAL PLAN

   
The Systematic  Withdrawal  Plan ("SWP"),  which is available for Class A Shares
only, 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.  A  designation  of a third  party  to  receive  checks  requires  an
acceptable  signature  guarantee.  The CDSC on any share  subject to a CDSC (See
"How to Buy Fund  Shares"  in the  Prospectus)  may be  waived  or  reduced  for
non-retirement  accounts  if the  redemption  is made in  connection  with a SWP
(limited  in any  year  to 10% of the  value  of the  account  at the  time  the
withdrawal plan is established).
    

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.

                                      B-22
<PAGE>

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.


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


                                      B-23
<PAGE>

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.

         (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


                                      B-24
<PAGE>

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, 1994 was 6.94%.

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 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 Class A and  Class B Shares  are
computed  by finding the average  annual  compounded  rates of return that would
cause  a  hypothetical  investment  in the  class  made  on the  first  day of a
designated  period (assuming all dividends and  distributions are reinvested) to
equal the ending  redeemable value of such  hypothetical  investment on the last
day of the designated period in accordance with the following formula:

                            P(1+T)n  =  ERV

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

           T     =  average annual total return

                                      B-25
<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 Fund's average annual total returns, with respect to Class A Shares, for the
one- , five-,  ten-year and  life-of-fund  periods ended  December 31, 1994 were
- -8.60%, 5.90%, 9.62% and 8.08%, respectively.

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 funds;

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

         o annualized 7-day yields and 7-day effective (compound) yields for 
           the Pioneer money market funds; and

         o dividends and capital gains distributions on all funds.

         Yields  are  calculated  in  accordance  with  SEC  mandated   standard
formulas.

   
In addition, by using a personal identification number ("PIN"), shareholders may
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 and Class B Shares will also vary, and
such shares may be worth more or less at redemption than their original cost.
    

                                      B-26
<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 audited  financial  statements  and related  report of Arthur  Andersen  LLP
contained in the Fund's 1994 Annual  Report are attached  hereto.  A copy of the
Annual Report which is incorporated by reference  herein 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.




                                      B-27
<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.

                                      B-28
<PAGE>

Caa

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

Ca

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

C

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

Note:  Moody's  applies  numerical  modifiers 1, 2 and 3 in each generic  rating
classification  from Aa  through 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.



                                      B-29
<PAGE>


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 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.



                                      B-30
<PAGE>


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.




                                      B-31
<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,  most  respected  and
successful money managers in the United States.

         As of December 31, 1994, PMC employed a professional  investment  staff
of 46, with a combined average of 14 years' experience in the financial services
industry.

         At December 31, 1994,  there were  591,192  non-retirement  shareholder
accounts and 337,577 retirement  shareholder  accounts in the Fund. Total assets
for all Pioneer  Funds at December 31, 1994 were  approximately  $10,038,000,000
representing 928,769 shareholder accounts.



                                      B-32
<PAGE>

<TABLE>
<CAPTION>

                                                                Pioneer Income Fund 

Date      Initial Investment    Offering Price     Sales Charge    Shares Purchased    Net Asset Value       Initial Net Asset 
                                                    Included                              Per Share                Value 
<S>           <C>                  <C>                <C>             <C>                 <C>                    <C>               
1/1/85        $10,000              $8.67              4.50%           1153.403            $8.28                  $9,550 
</TABLE>

<TABLE>
<CAPTION>

                                                       Dividends and Capital Gains Reinvested 

                                                                  Value of Shares 
             Date               From               From Cap. Gains          From Dividends            Total Value 
                             Investment              Reinvested               Reinvested 
           <S>                 <C>                      <C>                     <C>                     <C>                    
           12/31/85            $10,576                  $250                    $1,001                  $11,827 
           12/31/86            $10,312                  $614                    $2,000                  $12,926 
           12/31/87            $10,000                  $792                    $3,016                  $13,808 
           12/31/88            $10,288                  $835                    $4,382                  $15,505 
           12/31/89            $10,992                  $892                    $6,086                  $17,970 
           12/31/90            $10,542                  $856                    $7,216                  $18,614 
           12/31/91            $11,695                  $949                    $9,436                  $22,080 
           12/31/92            $11,683                 $1,164                   $10,908                 $23,755 
           12/31/93            $11,776                 $1,909                   $12,502                 $26,187 
           12/31/94            $10,508                 $1,703                   $12,848                 $25,059 



</TABLE>






                                      B-33
<PAGE>


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.

SMALL CAPITALIZATION STOCKS *
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.

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."

                                      B-34
<PAGE>

LONG-TERM CORPORATE BONDS *
For  1969-1991,  corporate  bond total  returns are  represented  by the Salomon
Brothers Long-Term  High-Grade  Corporate Bond Index. Since most large corporate
bond  transactions  take place over the  counter,  a major dealer is the natural
source of these data. The index includes  nearly all Aaa- and Aa-rated bonds. If
a bond is  downgraded  during a  particular  month,  its return for the month is
included in the index before removing the bond from future portfolios.

Over  1926-1968  the total  returns  were  calculated  by  summing  the  capital
appreciation returns and the income returns. For the period 1946-1968,  Ibbotson
and Sinquefield  backdated the Salomon Brothers' index,  using Salomon Brothers'
monthly  yield  data with a  methodology  similar  to that used by  Salomon  for
1969-1991. Capital appreciation returns were calculated from yields assuming (at
the beginning of each monthly holding period) a 20-year  maturity,  a bond price
equal to par,  and a  coupon  equal to the  beginning-of-period  yield.  For the
period 1926-1945, the Standard and Poor's monthly High-Grade Corporate Composite
yield data were used,  assuming a 4 percent coupon and a 20-year  maturity.  The
conventional  present-value  formula  for  bond  price  for  the  beginning  and
end-of-month  prices was used.  (This formula is presented in Ross,  Stephen A.,
and Randolph W. Westerfield,  Corporate Finance, Times Mirror/Mosby,  St. Louis,
1990, p. 97 ["Level-Coupon Bonds"].) The monthly income return was assumed to be
one-twelfth the coupon.

LONG-TERM GOVERNMENT BOND TOTAL RETURN *
The  total  returns  on  long-term  government  bonds  from  1977  to  1991  are
constructed  with data from The Wall Street Journal.  Over  1926-1976,  data are
obtained  from the  Government  bond file at the Center for Research in Security
Prices (CRSP), Graduate School of Business,  University of Chicago. Each year, a
one-bond  portfolio  with a term of  approximately  20  years  and a  reasonably
current  coupon  was used,  and whose  returns  did not  reflect  potential  tax
benefits,  impaired  negotiability,  or special  redemption or call  privileges.
Where  callable  bonds had to be used,  the term of the bond was assumed to be a
simple  average of the maturity and first call dates minus the current date. The
bond was "held" for the calendar year and returns were  computed.  Total returns
for  1977-1991 are  calculated  as the change in the flat price or  and-interest
price.

INTERMEDIATE-TERM GOVERNMENT BONDS TOTAL RETURN *
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.




                                      B-35
<PAGE>


U.S. (30 DAY) TREASURY BILL TOTAL RETURNS *
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.

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.

6 MONTH CD **
Data sources include the Federal Reserve Bulletin and The Wall Street Journal.


Sources:     *  Ibbotson Associates
             **  Towers Data Systems
           ***  Lipper  Analytical Services




                                      B-36
<PAGE>

<TABLE>
<CAPTION>
                                      Dow Jones        U.S. Small                         S&P/BARRA        S&P/BARRA
                       S&P500         Ind'l Avg        Stock Index     U.S. Inflation       Growth           Value
                         %TR              %TR              %TR               %TR              %TR              %TR
- -------------------------------------------------------------------------------------------------------------------------
<S>                    <C>              <C>               <C>               <C>              <C>              <C>      
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


                                      B-37
<PAGE>

Dec 1968               11.06             7.93            35.97             4.72             N/A              N/A
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

</TABLE>

Source:  Ibbotson Associates

                                      B-38


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