PIONEER INCOME FUND INC
497, 1995-04-03
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                                                         April 3, 1995

                                   SUPPLEMENT
                            to the prospectuses for:

<TABLE>
<CAPTION>


<S>                                                                          <C>  
Pioneer Fund                                                                 April 29, 1994 (revised October 28, 1994)
Pioneer Growth Shares                                                        July 1, 1994
Pioneer Winthrop Real Estate Investment Fund                                 October 28, 1994 (revised February 8, 1995)
Pioneer Income Fund                                                          July 1, 1994
Pioneer America Income Trust                                                 April 29, 1994 (revised July 1, 1994)
Pioneer Intermediate Tax-Free Fund                                           April 29, 1994
Pioneer Tax-Free Income Fund                                                 July 1, 1994

</TABLE>


                             How to Buy Fund Shares

In addition to the exceptions listed in each FundOs  prospectus,  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  company  providers  to  Program
participants and (iv) the Program provides for a matching  contribution for each
participant contribution.







                                             0495-2418
                                             (C) Pioneer Funds Distributor, Inc.






<PAGE>


[Pioneer Logo]
Pioneer
Income
Fund
Prospectus
July 1, 1994

The investment objective of Pioneer Income Fund (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, 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 July 1, 1994, 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 AND POLICIES                              4
IV.        MANAGEMENT OF THE FUND                                         6
V.         DISTRIBUTION PLAN                                              7
VI.        INFORMATION ABOUT FUND SHARES                                  7
            How to Purchase Shares                                        7
            Net Asset Value and Pricing of Orders                         8
            Dividends, Distributions and Taxation                         9
            Redemptions and Repurchases                                   9
VII.       SHAREHOLDER SERVICES                                          11
            Account and Confirmation Statements                          11
            Additional Investments                                       11
            Automatic Investment Plans                                   11
            Financial Reports and Tax Information                        11
            Distribution Options                                         11
            Directed Dividends                                           12
            Direct Deposit                                               12
            Voluntary Tax Withholding                                    12
            Exchange Privilege                                           12
            Telephone Transactions and Related Liabilities               12
            Telecommunications Device for the Deaf (TDD)                 13
            Retirement Plans                                             13
            Systematic Withdrawal Plans                                  13
            Reinstatement Privilege                                      13
VIII.      INVESTMENT RESULTS                                            13
IX.        SHARES OF THE FUND                                            14

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 expenses based on actual expenses for the fiscal
year ended December 31, 1993, adjusted to reflect certain changes resulting
from, among others, the approval of new management agreements with Pioneering
Management Corporation, expressed as a percentage of average net assets of the
Fund. 
                                                              Income
                                                               Fund

Shareholder Transaction Expenses
Maximum Sales Charge on Purchases(1)                           4.50%
Maximum Sales Charge on Reinvestment of Dividends              None
Deferred Sales Charge(1)                                       None
Redemption Fee(2)                                              None
Exchange Fee                                                   None
Annual Fund Operating Expenses
  (as a percentage of average net assets)
Management Fees                                                0.50%
12b-1 Fees                                                     0.25%
Other Expenses
   (including printing expenses and transfer agent,
   professional and registration fees)                         0.31%
Total Operating Expenses                                       1.06%

(1) Purchases of $1,000,000 or more and purchases by participants in certain
group plans ("Group Plans") are not subject to an initial sales charge. A
contingent deferred sales charge of 1% may, however, be charged on redemptions
by such accounts of shares held less than one year, as further described under
"How to Purchase Shares."

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

 Example:

You would pay the following expenses on a $1,000 investment, assuming 5% annual
return with or without redemption at the end of each time period. 

                                      Income
                                       Fund

1 Year                                 $ 55
3 Years*                               $ 77
5 Years*                               $101
10 Years*                              $169

*These are cumulative totals, the average annual fees and expenses paid over a
10-year period would be approximately $16.90 per year.

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 informational purposes only, and should not be
considered a representation of past or future expenses or return. Actual Fund
expenses and return vary from year to year and may be higher or lower than those
shown.

For further information regarding management fees, 12b-1 fees and other expenses
of the Fund, see "Management of the Fund," "Distribution Plan" and "How To
Purchase Shares" in this Prospectus and "Management of the Fund" and
"Underwriting Agreement and Distribution Plan" in the Statement of Additional
Information. Because of the 12b-1 fee, a long-term investor over time may pay
more than the economic equivalent of the maximum initial sales charge permitted
under Rules of Fair Practice of the National Association of Securities Dealers,
Inc.

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

<PAGE>

II. FINANCIAL HIGHLIGHTS

The following information has been derived from financial statements which have
been audited by the Fund's then independent public accountants, Coopers &
Lybrand. The independent public accountants' report on the Fund's financial
statement as of December 31, 1993 appears in the Fund's Annual Report
incorporated by reference into the Fund's Statement of Additional Information.
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 Share Outstanding For The Years Presented

<TABLE>
<CAPTION>
                                                           For the Year Ended December 31,
                      1993       1992       1991       1990        1989       1988       1987       
1986       1985        1984
<S>                 <C>        <C>        <C>        <C>        <C>         <C>        <C>        
<C>         <C>        <C>
Net asset value,
  beginning of
  period            $  10.13   $  10.14   $   9.14   $   9.53   $   8.92    $   8.67   $   8.94   $   
9.17    $  8.28    $  8.23
Income from
  investment
  operations--
 Net investment
  income            $   0.65   $   0.65   $   0.65   $   0.70   $   0.74    $   0.77   $   0.76   $   
0.80    $  0.80    $  0.88
 Net realized
  and unrealized
   gain (loss) on
  investments           0.37       0.09       1.00      (0.38)      0.63        0.27      (0.14)      
0.04       1.09       0.07
  Total income
  (loss) from
    investment
  operations        $   1.02   $   0.74   $   1.65   $   0.32   $   1.37    $   1.04   $   0.62   $   
0.84    $  1.89    $  0.95
Distribution to
  shareholders
  from--
 Net investment
  income               (0.64)     (0.66)     (0.65)     (0.71)     (0.75)      (0.76)     (0.76)     
(0.80)     (0.80)     (0.90)
 Net realized
  capital gains        (0.30)     (0.09)      0.00       0.00      (0.01)      (0.03)     (0.13)     
(0.27)     (0.20)      0.00
Net increase
  (decrease) in
  net asset value   $   0.08   $  (0.01)  $   1.00   $  (0.39)  $   0.61    $   0.25   $  (0.27)  $  
(0.23)   $  0.89    $  0.05
Net asset value,
  end of period     $  10.21   $  10.13   $  10.14   $   9.14   $   9.53    $   8.92   $   8.67   $   
8.94    $  9.17    $  8.28
Total return(1)        10.24%      7.59%     18.62%      3.59%     15.89%      12.29%      6.82%      
9.29%     23.84%     12.38%
Ratio of net
  operating
  expenses to
  average net
  assets                1.06%      0.99%      1.04%      0.94%      0.78%       0.80%      0.79%      
0.77%      0.80%      0.85%
Ratio of net
  investment
  income to
  average net
  assets                6.52%      6.47%      6.73%      7.67%      7.98%       8.55%      8.29%      
8.46%      9.05%     10.85%
Portfolio
  turnover rate           69%        54%        43%        44%        69%         87%       115%        
76%       136%       165%
Net assets end
  of period
  (in thousands)    $296,699   $250,033   $197,184   $166,205   $169,607    $159,212   $149,659   
$118,760    $75,365    $51,433
</TABLE>

(1)Assumes initial investment at net asset value at the beginning of each year,
reinvestment of all dividends and 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.

<PAGE>

III. INVESTMENT OBJECTIVE AND POLICIES

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. Although it has
not happened in any of the five preceding years, 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 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 only invest 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 markets 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, a law limiting the tax advantages of certain high yield
securities was enacted in 1989, 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 1993, 24.2% of the Fund's net assets were
invested in equity securities, 5.5% in cash and equivalents and 70.3% in debt
securities. Of the Fund's net assets, 14.4% 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"), 5.9% rated AA/Aa, 10.0% rated A/A, 20.6%
rated BBB/Baa, 16.2% rated BB/Ba and 1.2% rated B/B. Only 2.0% 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. 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

<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 of the underlying
obligations could be delayed or limited, which could adversely affect the price
the Fund receives for such obli-

<PAGE>

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

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 portfolio managed by PMC, including this Fund, is overseen by an Investment
Committee (either the Equity Committee or the Fixed-Income Committee), both of
which consist of PMC's most senior investment professionals. Both Committees are
chaired by Mr. David Tripple, PMC's President and Chief Investment Officer and
Executive Vice President of the Fund. 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, Vice President of PMC
and the Fund. Mr. Russ joined PMC in 1983. The investment managers primarily
responsible for the day-to-day management of the Fund are Messrs. John A.
Carey and Russ. 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. PGI's subsidiary, Pioneer Funds Distributor, Inc. ("PFD"), is the
principal underwriter of shares of the Fund. Prior to December 1, 1993, Mutual
of Omaha Fund Management Company ("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 of those Trustees of the Fund who are not
affiliated with or interested persons of PMC, the Fund (other than as Trus-

<PAGE>

tees), PGI or PFD; (xi) the cost of preparing and printing share certificates;
and (xii) interest on borrowed money, if any.

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.

The prior management agreement with FMC was in effect until December 1, 1993 and
provided for compensation to FMC at different rates than are set forth above.
For the fiscal year ended December 31, 1993, the Fund paid management fees as
follows: from January 1, 1993 to November 30, 1993, $1,228,585 to FMC; from
December 1, 1993 to December 31, 1993, $121,129 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 March 31, 1994.

V. DISTRIBUTION PLAN

The Fund has adopted a Plan of Distribution (the "Plan") in accordance with Rule
12b-1 under the 1940 Act pursuant to which certain distribution fees are paid to
PFD. As required by Rule 12b-1, the Plan was approved by a majority of the
outstanding shares held by the shareholders of the Fund and by the Trustees,
including a majority of the Trustees who are not "interested persons" of the
Fund.

Pursuant to the Plan, the Fund reimburses PFD for its actual expenditures to
finance any activity primarily intended to result in the sale of shares of the
Fund or to provide services to shareholders of the Fund, 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 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 average daily net assets; (ii) reimbursement to PFD for its expenditures
for broker-dealer commissions and employee compensation on certain sales of the
Fund's shares with no initial sales charge (see "How to Purchase Shares"); and
(iii) reimbursement to PFD for expenses incurred in providing services to
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 Plan are accrued daily and may not
exceed 0.25% of average daily net assets. Distribution expenses of PFD are
expected to substantially exceed the distribution fees paid by the Fund in a
given year. The Plan does not provide for the carryover of reimbursable expenses
beyond 12 months from the time the Fund is first invoiced for an expense. The
limited carryover provision in the Plan may result in an expense invoiced to the
Fund in one fiscal year being paid in the subsequent fiscal year and thus being
treated for purposes of calculating the maximum expenditures of the Fund as
having been incurred in the subsequent fiscal year. In the event of termination
or non-continuance of the Plan, the Fund has 12 months to reimburse any expense
which is incurred prior to such termination or non-continuance, provided that
payments by the Fund during such 12-month period shall not exceed 0.25% of the
Fund's average net daily assets during such period. The 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.

VI. INFORMATION ABOUT FUND SHARES

HOW TO PURCHASE SHARES

You may purchase shares of the Fund at the public offering price from any
securities broker-dealer having a sales agreement with PFD. The minimum initial
investment is $1,000, except for accounts being established to utilize monthly
bank drafts, government allotments and other similar automatic investment plans.
The minimum investment for such plans, as well as all other subsequent additions
to an account, is $50. Separate minimum investment requirements apply to
retirement plans. No sales charge or minimum investment requirements apply to
the reinvestment of dividends or capital gains distributions.

The public offering price of shares of the Fund is the net asset value per share
next computed after receipt of a purchase order, plus a sales charge as follows:

                                                                  Dealer
                                      Sales Charge as a % of     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 on purchases by certain Group Plans, but for such investments a
contingent

<PAGE>

deferred sales charge of 1% is imposed in the event of certain redemption
transactions within one year of purchase. See "Redemptions and Repurchases"
below. 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 $1
million invested; 0.50% on the next $4 million; and 0.10% on the excess over $5
million. These commissions shall not be payable if the purchaser is affiliated
with the broker-dealer or if the purchase represents the reinvestment of a
redemption made during the previous twelve calendar months. In connection with
PGI's acquisition of FMC, PFD pays to a dealer previously affiliated with FMC
50% of PFD's retention of any sales commission on sales of the Fund's shares
through such dealer contingent upon the achievement of certain sales objectives.

The schedule of sales charges above is applicable to purchases of shares of the
Fund by (i) an individual, (ii) an individual, 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 charge applicable to a current purchase of 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 current offering price) of shares of any of the other
Pioneer mutual funds previously purchased and then owned, provided PFD is
notified by such person or his or her broker-dealer each time a purchase is
made which would qualify. Pioneer mutual funds include all mutual funds for
which PFD serves as principal underwriter and which are subject to an initial
sales charge. For example, a person investing $5,000 in the Fund who currently
owns shares of other Pioneer funds with a value of $100,000 would pay a sales
charge of 3.50% of the offering price of the new investment.

Sales charges may also be reduced through an agreement to purchase a specified
quantity of shares over a designated thirteen-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.

Shares of the Fund may be sold at a reduced or eliminated sales charge to
certain Group Plans under which a sponsoring organization makes recommendations
to, permits group solicitation of, or otherwise facilitates purchases by, its
employees, members or participants. Information about such arrangements is
available from PFD.

Shares of the Fund may also be sold at net asset value per share without a sales
charge to: (a) current or former Directors, 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 only and may not be resold except through redemption or
repurchase by or on behalf of the Fund. The availability of this privilege
depends upon the receipt by PFD of written notification of eligibility. 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.

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

NET ASSET VALUE AND PRICING OF ORDERS

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

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

<PAGE>

are determined as of such times. Foreign currency exchange rates are also
generally determined prior to the close of regular trading on the Exchange.
Occasionally, events which affect the values of such securities and such
exchange rates may occur between the times at which they are determined and the
close of regular trading on the Exchange and will therefore not be reflected in
the computation of the Fund's net asset value. If events materially affecting
the value of such securities occur during such period, then these securities are
valued at their fair value as determined in good faith in accordance with
procedures established 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 in accordance with procedures established by the
Trustees.

An order for shares received by a broker-dealer prior to the close of regular
trading on the Exchange (currently 4:00 p.m. Eastern Time) is confirmed at the
offering price 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 (normally 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. An order received by a broker-dealer following the close
of regular trading on the Exchange will be confirmed at the offering price as of
the close of regular trading on the Exchange on the next trading day.

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.

DIVIDENDS, DISTRIBUTIONS AND TAXATION

Taxation

The Fund has elected to be treated, has qualified, and intends to qualify each
year as a "regulated investment company" under 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 taxable ordinary income and capital gains
if it fails to meet certain distribution requirements by the end of the 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 dividends from its taxable net investment income, including taxable
interest income and original issue discount, market discount, income from
securities lending, certain net realized foreign exchange gains, and any net
short-term capital gains realized by the Fund are taxable to shareholders as
ordinary income under the Code. Dividends from the Fund's net long-term capital
gains are taxable to shareholders as long-term capital gains under the Code,
regardless of a shareholder's holding period for his Fund shares. For federal
income tax purposes, dividends are taxable as described above whether a
shareholder takes them in cash or reinvests in additional shares of the Fund.

Distributions by the Fund of dividend income it receives from U.S. domestic
corporations may qualify for the dividends-received deduction for corporate
shareholders, subject to certain minimum holding period requirements and
debt-financing restrictions under the Code. Amounts qualifying for the deduction
may be includable in income subject to the alternative minimum tax and/or may
result in a reduction in the shareholder's tax basis in the Fund shares.

The Fund may be subject to foreign withholding taxes with respect to interest or
dividends payable on certain foreign securities and will not qualify to pass
through such taxes to shareholders. However, such taxes will be deductible by
the Fund in computing the income it is required to distribute.

The federal income tax status of all distributions will be reported to
shareholders annually, and taxable shareholders are required to report all
distributions, including tax-exempt distributions, on their federal income tax
returns.

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

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. It is possible that many states will exempt from
personal income tax that portion of the Fund's dividends attributable to
interest received by the Fund from certain U.S. Government obligations. You
should consult your own tax adviser regarding this possibility and other tax
consequences under state, local and other applicable tax laws.

Dividends and Distributions

The policy of the Fund is to pay dividends from net investment income, if any,
quarterly during the months of March, June, September and December and to make
distributions from net realized long term capital gains, if any, in December.
Net short-term capital gains distributions, if any, may be paid with such
dividends, and other distributions of dividends and capital gains may also be
made at such times as may be necessary to avoid federal income or excise tax.

Unless shareholders specify otherwise, all distributions from the Fund will be
automatically reinvested in additional full and fractional shares of the Fund.
For further information on the distribution options available to shareholders,
see "Distribution Options" and "Directed Dividends" below.

REDEMPTIONS AND REPURCHASES

Redemptions by Mail

As a shareholder, you have the right to offer your shares for redemption by
delivering to Pioneering Services Corporation ("PSC") a written request for
redemption in proper form

<PAGE>

and, if applicable, your share certificates properly endorsed and in good order
for transfer. Redemptions will be made in cash at the net asset value per share
next determined following receipt by PSC of all necessary documents subject in
certain cases to the contingent deferred sales charge described below.

Good order means that there are no outstanding claims or requests to hold
redemptions on the account, the certificates are endorsed by the record owner(s)
exactly as the shares are registered and the signature(s) are guaranteed by any
of the following eligible guarantor institutions: (i) all brokers, dealers,
municipal securities dealers and/or brokers, government securities dealers
and/or brokers, who are members of a clearing agency or whose net capital
exceeds $100,000; (ii) all banks; (iii) all credit unions; (iv) all savings
associations, including all savings and loan associations; (v) all national
securities exchanges, registered securities associations, and all clearing
agencies; and (vi) all trust companies. In addition, in some cases (involving
fiduciary or corporate transactions), good order may require the furnishing of
additional documents.

Signature guarantees will be waived for redemption requests of $50,000 or less,
provided that the record holder executes the redemption request, payment is
directed to the record holder at the address of record, and the address has not
changed in the previous 30 days. You cannot provide a signature guarantee by
facsimile ("fax"). Payment normally will be made within seven days after receipt
of these documents. The Fund reserves the right to withhold payment until checks
received in payment of shares purchased have cleared, which may take up to 15
calendar days from the purchase date. For additional information about the
necessary documentation for redemption by mail, call PSC at 1-800-225-6292.

Redemption by Telephone or 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. Proper account identification will be required for each
telephone redemption. The telephone redemption option is not available to
retirement plan accounts. A maximum of $50,000 may be redeemed by telephone or
fax and the proceeds may be received by check or by bank wire. To receive the
proceeds by check: the check must be made payable exactly as the account is
registered and the check must be sent to the address of record which must not
have changed in the last 30 days. To receive the proceeds by bank wire: the wire
must be sent to the bank wire address of record which must have been properly
pre-designated either on your Account Application or on an Account Options Form
and which must not have changed in the last 30 days. To redeem by fax, send your
redemption request to 1-800-225-4240. You may always elect to deliver redemption
instructions to PSC by mail. See "Telephone Transactions and Related
Liabilities" below. Telephone redemptions will be priced as described above.

Additional Conditions of Redemption

For the convenience of shareholders, the Fund has authorized PFD to act as its
agent in the repurchase of its shares. The Fund reserves the right to terminate
this procedure at any time. Offers to sell shares to the Fund may be
communicated to PFD by wire or telephone by broker-dealers for their customers.
The Fund's practice will be to repurchase shares offered to it at the net asset
value per share determined as of the close of business of the Exchange on the
day the offer for repurchase is received and accepted by the broker-dealer if
the offer is received by PFD before PFD's close of business on that day.
Shareholders whose accounts are registered in the name of a broker, dealer or
other financial institution must contact a representative of the institution
holding the shares to arrange for a redemption.

A broker-dealer which receives an offer for repurchase is responsible for the
prompt transmittal of such offer to PFD. Payment of the repurchase proceeds will
be made in cash to the broker-dealer placing the order. Except for certain large
accounts subject to a contingent deferred sales charge (as described below),
neither the Fund nor PFD charges any fee or commission upon such repurchase
which is then settled as an ordinary transaction with the broker-dealer (which
may make a charge to the shareholder for this service) delivering the shares
repurchased. Payment will be made within seven days of the receipt by PSC of
valid instructions, including validly endorsed certificates, if appropriate, in
good order as described above.

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 upon the market value
of the portfolio at the time of redemption or repurchase. Redemptions and
repurchases are potentially taxable transactions to shareholders.

Redemption 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.

Purchases of Fund shares of $1,000,000 or more, and purchases by participants in
a Group Plan which have not been subject to a sales charge, may be subject to a
contingent deferred sales charge upon redemption or repurchase. A contingent
deferred sales charge is payable 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. In determining
whether a contingent deferred sales charge is payable, and, if so, the amount of
the charge, it is assumed that shares purchased with reinvested dividends and
capital gain distributions and then such other shares which are held the longest
will be the first redeemed.

Waiver or Reduction of Contingent Deferred Sales Charge

The CDSC on any 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,
waiver applies upon the death of all beneficial owners) or a total and

<PAGE>

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 any 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 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 (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; (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 any 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 contingent
deferred sales charge 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.

Shares subject to the contingent deferred sales charge which are exchanged into
another Pioneer fund will continue to be subject to the contingent deferred
sales charge until the original 12-month period expires.

VII. 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
principal offices are located at 60 State Street, Boston, Massachusetts 02109,
and inquiries to PSC should be mailed to Shareholder Services, Pioneering
Services Corporation, P.O. Box 9014, Boston, Massachusetts 02205-9014. Brown
Brothers Harriman & Co. (the "Custodian") serves as custodian of the Fund's
portfolio securities. The principal business address of the Mutual Fund Division
of the Custodian is 40 Water Street, Boston, Massachusetts 02109.

Account and Confirmation Statements

PSC maintains an account for each shareholder and all transactions of the
shareholder are recorded in this account. Confirmation statements showing the
details of transactions are sent to shareholders as transactions occur. The
Pioneer Combined Account Statement, mailed quarterly, is available to all
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, newsletters and other informational
mailings.

Additional Investments

You may add to your account by sending a check ($50 minimum) to PSC (account
number 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 offering
price in effect as of the close of regular trading on the Exchange on the day of
receipt.

Automatic Investment Plans

You may arrange for regular automatic investments of $50 or more through
government/military allotments or through a Pioneer Investomatic Plan (formerly
called Bank Service Plan). A Pioneer Investomatic Plan provides for a monthly or
quarterly investment by means of a preauthorized draft drawn on a checking
account. Pioneer Investomatic Plan investments are voluntary and you may
discontinue the plan without penalty upon 30 days' written notice to PSC. PSC
acts as agent for the purchaser, the broker-dealer, and PFD in maintaining these
plans.

Financial Reports and Tax Information

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

Distribution Options

Dividends and capital gains distributions, if any, will automatically be
invested in additional shares of the Fund, at net asset value per share, unless
you indicate another option on your Account Application.

Two other available options are (a) dividends in cash and capital gains
distributions in additional shares; and (b) all dividends and distributions in
cash. The two options are not avail-

<PAGE>

able, however, with respect to retirement plans or an account with a net asset
value of less than $500. Changes in the 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 e.g., 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 your Account Application when opening a new account or an
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 distribution paid from your account (before any reinvestment) and forward
the amount withheld to the Internal Revenue Service as a credit against your
federal income taxes. This option is not available for retirement plan accounts
or for accounts subject to backup withholding.

Exchange Privilege

You may exchange your shares of the Fund at net asset value, without a sales
charge, for shares of other Pioneer funds which do not offer different classes
of shares or for the Class A shares of those Pioneer funds that offer more than
one class of shares. There are currently no fees or sales charges on such an
exchange. The exchange privilege is available only in those states where
exchanges can legally be made.

Exchanges must be at least $1,000. A new Pioneer account opened through an
exchange must have a registration identical to that on the original account. PSC
will process exchanges only after receiving an exchange request in proper form.
Shares of the Fund acquired through exchange of shares subject to a contingent
deferred sales charge will be subject to such charge, if applicable, upon
redemption.

 Written Exchanges. If the exchange request is in writing, it must be signed by
all record owner(s) exactly as the shares are registered. If your original
account includes a Pioneer Investomatic or Systematic Withdrawal Plan and you
open a new account by exchange, you should specify whether the plans should
continue in your new account or remain with your original account.

 Telephone Exchanges. Your account is automatically authorized to have the
telephone exchange privilege unless you indicated otherwise on your Account
Application or by writing to PSC. Proper account identification will be required
for each telephone exchange. Telephone exchanges may not exceed $500,000 per
account per day. All telephone exchange requests will be recorded.

 Automatic Exchange. You may automatically exchange shares from one Pioneer
account to another Pioneer account on a regular schedule, either monthly or
quarterly. The accounts must have identical registrations and the originating
account must have a minimum balance of $5,000. The exchange will occur on the
18th day of each month.

If an exchange request is received by PSC before 4:00 p.m. Eastern Time (or
before the time that the Exchange closes for regular trading on that day, if
different), the exchange will be effective on that day if the requirements above
have been met. If the exchange request is received after this time, the exchange
will be effective on the following business day.

You should consider the differences in objectives and policies of the Pioneer
mutual funds, as described in each of the fund's current prospectuses, before
making any exchange. For federal and (generally) state income tax purposes, an
exchange represents a sale of the shares exchanged and a purchase of shares in
another fund. Therefore, an exchange could result in a gain or loss on the
shares sold, depending on the cost basis of these shares and the timing of the
transaction, and special tax rules may apply.

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.

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 sell or exchange your Fund shares by telephone by
calling 1-800-225-6292 between 8:00 a.m. and 8:00 p.m. Eastern Time on
weekdays. See "Net Asset Value and Pricing of Orders" for more information. 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.

<PAGE>

Telecommunications Device for the Deaf (TDD)

If you have a hearing disability and you own TDD keyboard equipment, you can
call PSC's 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.

Retirement Plans

You should contact the Retirement Plans Department of PSC at 1-800-622-0176 for
information on retirement plans for business, Simplified Employee Pension Plans,
Individual Retirement Accounts (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 Funds. The Account
Application accompanying this Prospectus should not be used to establish any of
these plans. Separate applications are required.

Systematic Withdrawal Plans

If the shares in your account have a total value of at least $10,000 you may
establish a Systematic Withdrawal Plan with respect to the Fund providing for
fixed payments at regular intervals. Periodic checks of $50 or more will be sent
to you monthly or quarterly and your periodic redemptions of shares may be
taxable to you. You may also direct that withdrawal checks be paid to another
person, although if you make this designation after you have opened your
account, a signature guarantee must accompany your instructions. Purchases of
shares of the Fund at a time when you have a Systematic Withdrawal Plan in
effect with respect to the Fund 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 Fund's Statement of Additional Information.

Reinstatement Privilege

If you redeem all or part of your shares of the Fund, you may reinvest all or
part of the redemption proceeds without a sales commission in 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 shares of the Fund after receipt of the
written request for reinstatement. You may realize a gain or loss for federal
income tax purposes as a result of the redemption, and special tax rules may
apply. Subject to the provisions outlined under "Exchange Privilege" above, you
may also reinvest in any 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 filling out an Account Options
Form, which you may request by calling 1-800-225-6292.

VIII. INVESTMENT RESULTS

The Fund may from time to time include yield information 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 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. (The Fund's net investment income per
share is determined by dividing the Fund's net investment income during the base
period by the average number of shares of the Fund entitled to receive dividends
during the base period). The Fund's 30-day yield is then "annualized" by a
computation that assumes that the Fund'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 Fund may also include in advertisements, and furnish to existing or
prospective shareholders, information concerning the average annual total return
on an investment in the Fund for a designated period of time. Whenever this
information is provided, it includes a standardized calculation of average
annual total return computed by determining the average annual compounded rate
of return that would cause a hypothetical investment (after deduction of the
maximum sales charge) made on the first day of the designated period (assuming
all dividends and distributions are reinvested) to equal the resulting net asset
value of such hypothetical investment on the last day of the designated period.
The periods illustrated would normally include one, five and ten years.These
standardized calculations do not reflect the impact of federal or state income
taxes.

The foregoing computation method is prescribed for advertising and other
communications subject to SEC Rule 482. Communications not subject to this rule
may contain one or more additional measures of investment results, computation
methods 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. 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.

Yield and average annual total return quotations of the Fund do not take into
account any required payments for federal or state income taxes.

The Fund's investment results will vary from time to time depending on market
conditions, the composition of the Fund's portfolio and operating expenses of
the Fund. Therefore, any prior investment results of the Fund should not be
considered representative of what an investment in the Fund may earn in any
future period. These factors and possible

<PAGE>

differences in the methods used in calculating investment results should be
considered when comparing performance information regarding the Fund to
information published for other investment companies, investment vehicles, and
unmanaged indexes. Yield and return quotations should also be considered
relative to the risks associated with the Fund's investment objective and
policies. Yields may be affected by sinking fund call provisions and optional
redemption features of portfolio securities which may have the effect of
reducing the stated average maturity of the Fund's portfolio. At any time in the
future, yields and return quotations may be higher or lower than past yields or
return quotations and there can be no assurance that any historical yield or
return quotation will continue in the future.

The Fund may also include comparative performance information in advertising or
marketing the Fund's shares. This performance information may include rankings
or listing by magazines, newspapers, or independent statistical or ratings
services, such as Lipper Analytical Services, Inc. and Ibbotson Associates.

For more information about the calculation methods used to compute the Fund's
investment results, see the Statement of Additional Information.

IX. SHARES OF THE FUND

The Fund, an open-end diversified investment management company, was established
as a Nebraska corporation on January 19, 1968 and reorganized as a Delaware
business trust on June 30, 1994.

The Trustees are responsible for the overall management and supervision of its
affairs. Each share represents an equal proportionate interest in the Fund with
each other share. Shares entitle their holders to one vote per share in the
election of Trustees and other matters submitted to shareholders. Shares have
noncumulative voting rights, do not have preemptive or subscription rights and
are transferable. The Trustees are empowered, without shareholder approval, by
the Agreement and Declaration of Trust (the "Declaration of Trust") and By-Laws
to create additional series of shares and to classify and reclassify any new or
existing series of shares into one or more classes.

The Declaration of Trust permits 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. The Fund is authorized, but
does not currently intend to, issue multiple classes of its 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 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.

The Fund does not intend to hold annual shareholder meetings. Shareholders have
certain rights, as set forth in the Declaration of Trust, including the right to
call a meeting of shareholders for the purpose of voting on the removal of one
or more Trustees. Such removal can be effected upon the action of two-thirds of
the outstanding shares of the Fund.

<PAGE>

THE PIONEER FAMILY OF MUTUAL FUNDS

Growth Funds

Pioneer Capital Growth Fund
Pioneer Growth Shares
Pioneer International Growth Fund
Pioneer Europe Fund
Pioneer Emerging Markets Funds

Growth and Income Funds

Pioneer Three
Pioneer II
Pioneer Fund
Pioneer Equity-Income Fund
Pioneer Winthrop Real Estate Investment Fund

Income Funds

Pioneer Income Fund
Pioneer Bond Fund
Pioneer America Income Trust
Pioneer Tax-Free Income Fund
Pioneer California Double Tax-Free Fund
Pioneer Massachusetts Double Tax-Free Fund
Pioneer New York Triple Tax-Free Fund
Pioneer Intermediate Tax-Free Fund
Pioneer Short-Term Income Trust

Specialized Growth Funds

Pioneer Gold Shares
Pioneer India Fund

Money Market Funds

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

<PAGE>

[Back Cover]

                                                                [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 & CO.

LEGAL COUNSEL
HALE AND DORR

SHAREHOLDER SERVICES AND TRANSFER AGENT
PIONEERING SERVICES CORPORATION
60 State Street
Boston, Massachusetts 02109
Telephone: (617) 742-7825

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
Automated fund yields, 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

1294-1959-1
(C)Pioneer Funds Distributor, Inc.









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