As filed with the Securities and Exchange Commission on April 26, 2017

                                                        File Nos.   2-25980
                                                                  811-01466

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM N-1A

          REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933       [X]

                         Pre-Effective Amendment No. __

                         Post-Effective Amendment No. 97                [X]


                                     and/or

                        REGISTRATION STATEMENT UNDER THE
                         INVESTMENT COMPANY ACT OF 1940                 [X]

                                 Amendment No. 63                       [X]
                        (Check appropriate box or boxes)

                                  PIONEER FUND
               (Exact Name of Registrant as Specified in Charter)

                  60 State Street, Boston, Massachusetts 02109
               (Address of Principal Executive Offices) (Zip Code)

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

           Terrence J. Cullen, Pioneer Investment Management, Inc.,
                  60 State Street, Boston, Massachusetts 02109
                    (Name and Address of Agent for Service)

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

     [ ] immediately upon filing pursuant to paragraph (b)
     [X] on May 1, 2017 pursuant to paragraph (b)
     [ ] 60 days after filing pursuant to paragraph (a)(1)
     [ ] on [date] pursuant to paragraph (a)(1)
     [ ] 75 days after filing pursuant to paragraph (a)(2)
     [ ] on [date] pursuant to paragraph (a)(2) of Rule 485.

If appropriate, check the following box:

     ___ This post-effective amendment designates a new effective date for a
          previously filed post-effective amendment.

<PAGE>

PIONEER
--------------------------------------------------------------------------------
FUND
                                                  Class A Shares (PIODX)
                                                  Class C Shares (PCODX)
                                                  Class R Shares (PIORX)

                                                  Class T Shares (PDFTX)
                                                  Class Y Shares (PYODX)



                                                         Prospectus, May 1, 2017


CONTENTS
--------------------------------------------------------------------------------


<TABLE>
<S>                                             <C>
Fund summary...................................  1
More on the fund's investment objectives
and strategies................................. 12
More on the risks of investing in the fund..... 16
Management..................................... 26
Pricing of shares.............................. 29
Choosing a class of shares..................... 31
Distribution and service arrangements.......... 34
Sales charges.................................. 37
Buying, exchanging and selling shares.......... 45
Account options................................ 56
Shareholder services and policies.............. 60
Dividends, capital gains and taxes............. 67
Financial highlights........................... 70
Intermediary defined sales charge waiver
policies....................................... 75
</TABLE>



Neither the Securities and Exchange Commission nor any state securities agency
has approved or disapproved the fund's shares or determined whether this
prospectus is

[GRAPHIC APPEARS HERE]





accurate or complete. Any representation to the contrary is a crime.
<PAGE>


     An investment in the fund is not a bank deposit and is not insured or
     guaranteed by the Federal Deposit Insurance Corporation or any other
     government agency.

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

     Contact your investment professional to discuss how the fund may fit
     into your portfolio.
-------------------------------------------------------------------------------
<PAGE>

Fund summary

INVESTMENT OBJECTIVES
Reasonable income and capital growth.


FEES AND EXPENSES OF THE FUND
This table describes the fees and expenses that you may pay if you buy and hold
shares of the fund.


You may qualify for sales charge discounts if you or your family invest, or
agree to invest in the future, at least $50,000 in Class A shares of the
Pioneer funds. More information about these and other discounts is available
from your investment professional and in the "Sales charges" section of the
prospectus beginning on page 37, the "Intermediary defined sales charge waiver
policies" section of the prospectus beginning on page 75, and the "Sales
charges" section of the statement of additional information beginning on page
54.




<TABLE>
<CAPTION>
SHAREOWNER FEES
(fees paid directly from your investment)           CLASS A   CLASS C   CLASS R   CLASS T   CLASS Y
--------------------------------------------------  --------- --------- --------- --------- --------
<S>                                                 <C>       <C>       <C>       <C>       <C>
Maximum sales charge (load) when you buy
shares (as a percentage of offering price)            5.75%      None        None   2.50%       None
--------------------------------------------------   ------   --------- ---------    ----   --------
Maximum deferred sales charge (load) (as a
percentage of offering price or the amount you
receive when you sell shares, whichever is less)    None/1/        1%        None    None       None
--------------------------------------------------  ------    --------- ---------    ----   --------
</TABLE>





<TABLE>
<CAPTION>
ANNUAL FUND OPERATING EXPENSES
(expenses that you pay each year
as a percentage of the value of
your investment)                         CLASS A   CLASS C   CLASS R   CLASS T   CLASS Y
---------------------------------------  --------- --------- --------- --------- --------
<S>                                      <C>       <C>       <C>       <C>       <C>
Management Fees                            0.52%     0.52%     0.52%     0.52%     0.52%
---------------------------------------     ----      ----      ----      ----      ----
Distribution and Service (12b-1) Fees      0.25%     1.00%     0.50%     0.25%     0.00%
---------------------------------------     ----      ----      ----      ----      ----
Other Expenses/2/                          0.21%     0.25%     0.39%     0.21%     0.21%
---------------------------------------     ----      ----      ----      ----      ----
Total Annual Fund Operating Expenses       0.98%     1.77%     1.41%     0.98%     0.73%
---------------------------------------     ----      ----      ----      ----      ----
</TABLE>


1   Class A purchases of $500,000 or more that are not subject to an initial
    sales charge may be subject to a contingent deferred sales charge of 1%.
    See "Sales charges."


2   Other expenses for Class T shares are based on estimated amounts for the
    current fiscal year.



EXAMPLE
This example is intended to help you compare the cost of investing in the fund
with the cost of investing in other mutual funds. The example assumes that you
invest $10,000 in the fund for the time periods shown and then,


                                       1
<PAGE>

Fund summary

except as indicated, redeem all of your shares at the end of those periods. It
also assumes that (a) your investment has a 5% return each year and (b) the
fund's total annual operating expenses remain the same. Although your actual
costs may be higher or lower, based on these assumptions your costs would be:



<TABLE>
<CAPTION>
                 IF YOU REDEEM YOUR SHARES            IF YOU DO NOT REDEEM YOUR SHARES
           --------------------------------------  --------------------------------------
                                NUMBER OF YEARS YOU OWN YOUR SHARES
           ------------------------------------------------------------------------------
                 1        3          5         10        1        3          5         10
           -------  -------  ---------  ---------  -------  -------  ---------  ---------
<S>        <C>      <C>      <C>        <C>        <C>      <C>      <C>        <C>
Class A    $669     $869     $1,086     $1,707     $669     $869     $1,086     $1,707
---------  ----     ----     ------     ------     ----     ----     ------     ------
Class C     280      557        959      2,084      180      557        959      2,084
---------  ----     ----     ------     ------     ----     ----     ------     ------
Class R     144      446        771      1,691      144      446        771      1,691
---------  ----     ----     ------     ------     ----     ----     ------     ------
Class T     347      554        778      1,421      347      554        778      1,421
---------  ----     ----     ------     ------     ----     ----     ------     ------
Class Y      75      233        406        906       75      233        406        906
---------  ----     ----     ------     ------     ----     ----     ------     ------
</TABLE>


PORTFOLIO TURNOVER

The fund pays transaction costs, such as commissions, when it buys and sells
securities (or "turns over" its portfolio). A higher portfolio turnover rate
may indicate higher transaction costs and may result in higher taxes when fund
shares are held in a taxable account. These costs, which are not reflected in
annual fund operating expenses or in the example, affect the fund's
performance. During the most recent fiscal year, the fund's portfolio turnover
rate was 62% of the average value of its portfolio.



PRINCIPAL INVESTMENT STRATEGIES
The fund invests in a broad group of carefully selected securities that the
fund's adviser believes are reasonably priced, rather than in securities whose
prices reflect a premium resulting from their current market popularity. The
fund invests predominantly in equity securities. For purposes of the fund's
investment policies, equity securities include common stocks and other equity
instruments, such as exchange-traded funds (ETFs) that invest primarily in
equity securities, equity interests in real estate investment trusts (REITs),
depositary receipts, warrants, rights and preferred stocks.

The fund primarily invests in securities of U.S. issuers. The fund may invest
up to 15% of its total assets in securities of non-U.S. issuers. The fund will
not invest more than 5% of its total assets in the securities of emerging
markets issuers.

The fund may invest up to 15% of its net assets in REITs.

                                       2
<PAGE>

The fund may invest in initial public offerings of equity securities. The fund
may also invest in investment grade and below investment grade debt securities
(known as "junk bonds").

The fund may, but is not required to, use derivatives. The fund may use
derivatives, such as stock index futures and options, for a variety of
purposes, including: in an attempt to hedge against adverse changes in the
market price of securities, interest rates or currency exchange rates; as a
substitute for purchasing or selling securities; to attempt to increase the
fund's return as a non-hedging strategy that may be considered speculative; to
manage portfolio characteristics; and as a cash flow management technique. The
fund may choose not to make use of derivatives for a variety of reasons, and
any use may be limited by applicable law and regulations. The fund may also
hold cash or other short-term investments.

The fund's investment adviser uses a value approach to select the fund's
investments to buy and sell. The adviser seeks securities selling at reasonable
prices or substantial discounts to their underlying values and then holds these
securities until the market values reflect their intrinsic values. The adviser
evaluates a security's potential value, including the attractiveness of its
market valuation, based on the company's assets and prospects for earnings
growth. In making that assessment, the adviser employs fundamental research and
an evaluation of the issuer based on its financial statements and operations.
In selecting securities, the adviser considers a security's potential to
provide a reasonable amount of income. The adviser focuses on the quality and
price of individual issuers.


PRINCIPAL RISKS OF INVESTING IN THE FUND
You could lose money on your investment in the fund. As with any mutual fund,
there is no guarantee that the fund will achieve its objectives.


MARKET RISK. The market prices of securities held by the fund may go up or
down, sometimes rapidly or unpredictably, due to general market conditions,
such as real or perceived adverse economic, political, or regulatory
conditions, inflation, changes in interest or currency rates, lack of liquidity
in the bond markets or adverse investor sentiment. In the past several years,
financial markets, such as those in the United States, Europe, Asia and
elsewhere, have experienced increased volatility, depressed valuations,
decreased liquidity and heightened uncertainty. These conditions may continue,
recur, worsen or spread. Events that have contributed to these market
conditions include, but are not limited to, major cybersecurity events;
measures to



                                       3
<PAGE>

Fund summary


address U.S. federal and state budget deficits; downgrading of U.S. long-term
sovereign debt; declines in oil and commodity prices; dramatic changes in
currency exchange rates; and public sentiment. The U.S. government and the
Federal Reserve, as well as certain foreign governments and their central
banks, have taken steps to support financial markets. This and other government
intervention may not work as intended, particularly if the efforts are
perceived by investors as being unlikely to achieve the desired results. The
Federal Reserve has reduced its market support activities and recently has
begun raising interest rates. Certain foreign governments and central banks are
implementing or discussing so-called negative interest rates (e.g., charging
depositors who keep their cash at a bank) to spur economic growth. Further
Federal Reserve or other U.S. or non-U.S. governmental or central bank actions,
including interest rate increases or contrary actions by different governments,
could negatively affect financial markets generally, increase market volatility
and reduce the value and liquidity of securities in which the fund invests.
Policy and legislative changes in the U.S. and in other countries are affecting
many aspects of financial regulation, and may in some instances contribute to
decreased liquidity and increased volatility in the financial markets. The
impact of these changes on the markets, and the practical implications for
market participants, may not be fully known for some time. Economies and
financial markets throughout the world are increasingly interconnected.
Economic, financial or political events, trading and tariff arrangements,
terrorism, natural disasters and other circumstances in one country or region
could have profound impacts on global economies or markets. As a result,
whether or not the fund invests in securities of issuers located in or with
significant exposure to the countries directly affected, the value and
liquidity of the fund's investments may be negatively affected. The fund may
experience a substantial or complete loss on any individual security or
derivative position.


VALUE STYLE RISK. The prices of securities the adviser believes are undervalued
may not appreciate as expected or may go down. Value stocks may fall out of
favor with investors and underperform the overall equity market.

PORTFOLIO SELECTION RISK. The adviser's judgment about a particular security or
issuer, or about the economy or a particular sector, region or market segment,
or about an investment strategy, may prove to be incorrect.

RISKS OF INVESTMENTS IN REAL ESTATE RELATED SECURITIES. Investments in real
estate securities are affected by economic conditions, interest rates,
governmental actions and other factors. In addition, investing in REITs


                                       4
<PAGE>

involves unique risks. They are significantly affected by the market for real
estate and are dependent upon management skills and cash flow. REITs may have
lower trading volumes and may be subject to more abrupt or erratic price
movements than the overall securities markets. Mortgage REITs are particularly
subject to interest rate and credit risks. In addition to its own expenses, the
fund will indirectly bear its proportionate share of any management and other
expenses paid by REITs in which it invests. Many real estate companies,
including REITs, utilize leverage.

RISKS OF WARRANTS AND RIGHTS. If the price of the underlying stock does not
rise above the exercise price before the warrant expires, the warrant generally
expires without any value and the fund loses any amount it paid for the
warrant. The failure to exercise subscription rights to purchase common shares
would result in the dilution of the fund's interest in the issuing company.

PREFERRED STOCKS RISK. Preferred stocks may pay fixed or adjustable rates of
return. Preferred stocks are subject to issuer-specific and market risks
applicable generally to equity securities. In addition, a company's preferred
stocks generally pay dividends only after the company makes required payments
to holders of its bonds and other debt. Thus, the value of preferred stocks
will usually react more strongly than bonds and other debt to actual or
perceived changes in the company's financial condition or prospects. The market
value of preferred stocks generally decreases when interest rates rise.
Preferred stocks of smaller companies may be more vulnerable to adverse
developments than preferred stocks of larger companies.

RISKS OF INITIAL PUBLIC OFFERINGS. Companies involved in initial public
offerings (IPOs) generally have limited operating histories, and prospects for
future profitability are uncertain. The market for IPO issuers has been
volatile, and share prices of newly public companies have fluctuated
significantly over short periods of time. The purchase of IPO shares may
involve high transaction costs.

RISKS OF INVESTMENT IN OTHER FUNDS. Investing in other investment companies,
including exchange-traded funds (ETFs), subjects the fund to the risks of
investing in the underlying securities or assets held by those funds. When
investing in another fund, the fund will bear a pro rata portion of the
underlying fund's expenses, in addition to its own expenses.


                                       5
<PAGE>

Fund summary

DEBT SECURITIES RISK. Factors that could contribute to a decline in the market
value of debt securities in the fund include rising interest rates, if the
issuer or other obligor of a security held by the fund fails to pay principal
and/or interest, otherwise defaults or has its credit rating downgraded or is
perceived to be less creditworthy or the credit quality or value of any
underlying assets declines. Junk bonds have a higher risk of default or are
already in default and are considered speculative.


RISKS OF NON-U.S. INVESTMENTS. Investing in non-U.S. issuers, or in U.S.
issuers that have significant exposure to foreign markets, may involve unique
risks compared to investing in securities of U.S. issuers. These risks are more
pronounced for issuers in emerging markets or to the extent that the fund
invests significantly in one region or country. These risks may include
different financial reporting practices and regulatory standards, less liquid
trading markets, extreme price volatility, currency risks, changes in economic,
political, regulatory and social conditions, terrorism, sustained economic
downturns, financial instability, tax burdens, and investment and repatriation
restrictions. Lack of information and less market regulation also may affect
the value of these securities. Withholding and other non-U.S. taxes may
decrease the fund's return. Non-U.S. issuers may be located in parts of the
world that have historically been prone to natural disasters. Investing in
depositary receipts is subject to many of the same risks as investing directly
in non-U.S. issuers. Depositary receipts may involve higher expenses and may
trade at a discount (or premium) to the underlying security. A number of
countries in the European Union (EU) have experienced, and may continue to
experience, severe economic and financial difficulties. In addition, voters in
the United Kingdom have approved withdrawal from the EU. Other countries may
seek to withdraw from the EU and/or abandon the euro, the common currency of
the EU.


MARKET SEGMENT RISK. To the extent the fund emphasizes, from time to time,
investments in a market segment, the fund will be subject to a greater degree
to the risks particular to that segment, and may experience greater market
fluctuation than a fund without the same focus.


Industries in the technology segment, such as information technology,
communications equipment, computer hardware and software, and office and
scientific equipment, are generally subject to risks of rapidly evolving
technology, short product lives, rates of corporate expenditures, falling
prices and profits, competition from new market entrants, and general economic
conditions.



                                       6
<PAGE>


DERIVATIVES RISK. Using stock index futures and options and other derivatives
can increase fund losses and reduce opportunities for gains when market prices,
interest rates or the derivative instruments themselves behave in a way not
anticipated by the fund. Using derivatives may increase the volatility of the
fund's net asset value and may not provide the result intended. Derivatives may
have a leveraging effect on the fund. Some derivatives have the potential for
unlimited loss, regardless of the size of the fund's initial investment.
Changes in a derivative's value may not correlate well with the referenced
asset or metric. The fund also may have to sell assets at inopportune times to
satisfy its obligations. Derivatives may be difficult to sell, unwind or value,
and the counterparty may default on its obligations to the fund. Use of
derivatives may have different tax consequences for the fund than an investment
in the underlying security, and such differences may affect the amount, timing
and character of income distributed to shareholders. The U.S. government and
foreign governments are in the process of adopting and implementing regulations
governing derivatives markets, including mandatory clearing of certain
derivatives, margin and reporting requirements. The ultimate impact of the
regulations remains unclear. Additional regulation of derivatives may make them
more costly, may limit their availability, may disrupt markets or may otherwise
adversely affect their value or performance. In addition, the SEC has proposed
a new rule that would change the regulation of the use of derivatives by
registered investment companies, such as the fund. If the proposed rule takes
effect, it could limit the ability of the fund to invest in derivatives.


LEVERAGING RISK. The value of your investment may be more volatile and other
risks tend to be compounded if the fund borrows or uses derivatives or other
investments, such as ETFs, that have embedded leverage. Leverage generally
magnifies the effect of any increase or decrease in the value of the fund's
underlying assets and creates a risk of loss of value on a larger pool of
assets than the fund would otherwise have, potentially resulting in the loss of
all assets. Engaging in such transactions may cause the fund to liquidate
positions when it may not be advantageous to do so to satisfy its obligations
or meet segregation requirements.

VALUATION RISK. The sales price the fund could receive for any particular
portfolio investment may differ from the fund's last valuation of the
investment, particularly for illiquid securities and securities that trade in
thin or volatile markets or that are valued using a fair value methodology.
Investors who purchase or redeem fund shares on days when the fund is holding
fair-valued securities may receive fewer or more shares or lower or higher
redemption


                                       7
<PAGE>

Fund summary


proceeds than they would have received if the fund had not fair-valued the
securities or had used a different valuation methodology. The fund's ability to
value its investments may also be impacted by technological issues and/or
errors by pricing services or other third party service providers.


LIQUIDITY RISK. Some securities and derivatives held by the fund may be
impossible or difficult to purchase, sell or unwind, particularly during times
of market turmoil. Illiquid securities and derivatives also may be difficult to
value. If the fund is forced to sell an illiquid asset or unwind a derivatives
position to meet redemption requests or other cash needs, the fund may be
forced to sell at a loss.


REDEMPTION RISK. The fund may experience heavy redemptions that could cause the
fund to liquidate its assets at inopportune times or at a loss or depressed
value, which could cause the value of your investment to decline.


EXPENSE RISK. Your actual costs of investing in the fund may be higher than the
expenses shown in "Annual fund operating expenses" for a variety of reasons.
For example, expense ratios may be higher than those shown if overall net
assets decrease. Net assets are more likely to decrease and fund expense ratios
are more likely to increase when markets are volatile.

Please note that there are many other factors that could adversely affect your
investment and that could prevent the fund from achieving its goals.

An investment in the fund is not a bank deposit and is not insured or
guaranteed by the Federal Deposit Insurance Corporation or any other government
agency.


THE FUND'S PAST PERFORMANCE
The bar chart and table indicate the risks and volatility of an investment in
the fund by showing how the fund has performed in the past. The bar chart shows
changes in the performance of the fund's Class A shares from calendar year to
calendar year. The table shows the average annual total returns for each class
of the fund over time and compares these returns to the returns of the Standard
& Poor's 500 Index, a broad-based measure of market performance that has
characteristics relevant to the fund's investment strategies. You can obtain
updated performance information by visiting
https://us.pioneerinvestments.com/performance or by calling 1-800-225-6292.

The fund's past performance (before and after taxes) does not necessarily
indicate how it will perform in the future.


                                       8
<PAGE>

The bar chart does not reflect any sales charge you may pay when you buy fund
shares. If this amount was reflected, returns would be less than those shown.


ANNUAL RETURN CLASS A SHARES (%)
(Year ended December 31)
[GRAPHIC APPEARS HERE]









<TABLE>
<CAPTION>
'07      '08      '09     '10     '11     '12    '13     '14     '15     '16
<S>      <C>      <C>     <C>     <C>     <C>    <C>     <C>     <C>     <C>
  4.71   -34.38   24.24   15.72   -4.59   9.90   33.06   10.86   -0.43   9.60
</TABLE>






For the period covered by the bar chart:
THE HIGHEST CALENDAR QUARTERLY RETURN WAS 14.77% (04/01/2009 TO 06/30/2009).
THE LOWEST CALENDAR QUARTERLY RETURN WAS -22.10% (10/01/2008 TO 12/31/2008).



No performance information is presented for Class T shares in the table below
because Class T shares do not have annual returns for at least one calendar
year. The returns for Class T shares would differ from those of other classes
of shares because they have different expenses.


                                       9
<PAGE>

Fund summary

AVERAGE ANNUAL TOTAL RETURN (%)

(for periods ended December 31, 2016)




<TABLE>
<CAPTION>
                                                                                    INCEPTION
                                                    1 YEAR    5 YEARS    10 YEARS        DATE
                                                  --------  ---------  ----------  ----------
<S>                                               <C>       <C>        <C>         <C>
Class A                                                                            2/13/28
------------------------------------------------  -----     -----      ----        -------
Return before taxes                                 3.29      10.77        4.63
------------------------------------------------  ------    -------        ----    -------
Return after taxes on distributions                -1.23       6.97        2.56
------------------------------------------------  ------    -------        ----    -------
Return after taxes on distributions and sale of
shares                                              5.04       8.34        3.55
------------------------------------------------  ------    -------        ----    -------
Class C+                                            8.74      11.21        4.42    7/1/96
------------------------------------------------  ------    -------        ----    -------
Class R                                             9.12      11.69        4.94    4/1/03
------------------------------------------------  ------    -------        ----    -------
Class Y                                             9.86      12.42        5.63    5/6/99
------------------------------------------------  ------    -------        ----    -------
Standard & Poor's 500 Index (reflects no
deduction for fees, expenses or taxes)             11.96      14.66        6.95
------------------------------------------------  ------    -------        ----    -------
</TABLE>


+     The performance of Class C shares does not reflect the 1% front-end sales
      charge in effect prior to February 1, 2004. If you paid a 1% sales
      charge, your returns would be lower than those shown above.


After-tax returns are calculated using the historical highest individual
federal marginal income tax rates and do not reflect the impact of state and
local taxes. Actual after-tax returns depend on the investor's tax situation
and may differ from those shown. The after-tax returns shown are not relevant
to investors who hold fund shares through tax-deferred arrangements such as
401(k) plans or individual retirement accounts.


After-tax returns are shown only for Class A shares. After-tax returns for
Class C, Class R, Class T and Class Y shares will vary.



MANAGEMENT


<TABLE>
<S>                    <C>
INVESTMENT ADVISER     Pioneer Investment Management, Inc.
PORTFOLIO MANAGEMENT   Jeff Kripke, a Senior Vice President of Pioneer
                       (portfolio manager of the fund since 2015);
                       John A. Carey, an Executive Vice President of
                       Pioneer (portfolio manager of the fund since
                       1986); and Walter Hunnewell, Jr., a Vice
                       President of Pioneer (assistant portfolio
                       manager of the fund since 2001)
</TABLE>

                                      10
<PAGE>

PURCHASE AND SALE OF FUND SHARES
You may purchase, exchange or sell (redeem) shares each day the New York Stock
Exchange is open through your financial intermediary or, for accounts held
directly with the fund, by contacting the fund in writing or by telephone:
Pioneer Funds, P.O. Box 55014, Boston, MA 02205-5014, tel. 1-800-225-6292.


Your initial investment for Class A, Class C or Class T shares must be at least
$1,000. Additional investments must be at least $100 for Class A and Class T
shares and $500 for Class C shares. The initial investment for Class Y shares
must be at least $5 million. This amount may be invested in one or more of the
Pioneer mutual funds that currently offer Class Y shares. There is no minimum
additional investment amount for Class Y shares. There is no minimum investment
amount for Class R shares.



TAX INFORMATION
The fund intends to make distributions that may be taxed as ordinary income,
qualified dividend income, or capital gains.


PAYMENTS TO BROKER-DEALERS AND OTHER FINANCIAL INTERMEDIARIES
If you purchase the fund through a broker-dealer or other financial
intermediary (such as a bank), the fund and its related companies may pay the
intermediary for the sale of fund shares and related services. These payments
create a conflict of interest by influencing the broker-dealer or other
intermediary and your salesperson or investment professional to recommend the
fund over another investment. Ask your salesperson or investment professional
or visit your financial intermediary's website for more information.


                                       11
<PAGE>

More on the fund's investment objectives
and strategies


INVESTMENT OBJECTIVES
Reasonable income and capital growth.

The fund's investment objectives may be changed without shareholder approval.
The fund will provide at least 30 days' notice prior to implementing any change
to its investment objectives.


PRINCIPAL INVESTMENT STRATEGIES
The fund invests in a broad group of carefully selected securities that the
fund's adviser believes are reasonably priced, rather than in securities whose
prices reflect a premium resulting from their current market popularity. The
fund invests predominantly in equity securities. For purposes of the fund's
investment policies, equity securities include common stocks and other equity
instruments, such as exchange-traded funds (ETFs) that invest primarily in
equity securities, equity interests in real estate investment trusts (REITs),
depositary receipts, warrants, rights and preferred stocks.

The fund primarily invests in securities of U.S. issuers. The fund may invest
up to 15% of its total assets in securities of non-U.S. issuers. The fund will
not invest more than 5% of its total assets in the securities of emerging
markets issuers. The fund does not count securities of Canadian issuers against
the limit on investment in securities of non-U.S. issuers.

The fund may invest up to 15% of its net assets in REITs.

The fund may invest in initial public offerings of equity securities. The fund
may invest in debt securities. The fund invests in debt securities when the
adviser believes they are consistent with the fund's investment objectives of
reasonable income and capital growth, to diversify the fund's portfolio or for
greater liquidity. The fund may invest up to 5% of its net assets in below
investment grade debt securities (known as "junk bonds"), including below
investment grade convertible debt securities.

Pioneer Investment Management, Inc. (Pioneer), the fund's investment adviser,
uses a value approach to select the fund's investments to buy and sell. Using
this investment style, Pioneer seeks securities selling at reasonable prices or
substantial discounts to their underlying values and then holds these
securities until the market values reflect their intrinsic values. Pioneer
evaluates a security's potential value, including the attractiveness of its
market valuation, based on the company's assets and prospects for earnings
growth. In making that assessment, Pioneer employs fundamental research


                                       12
<PAGE>

and an evaluation of the issuer based on its financial statements and
operations. Pioneer also considers a security's potential to provide a
reasonable amount of income. Pioneer relies on the knowledge, experience and
judgment of its staff and the staff of its affiliates who have access to a wide
variety of research. Pioneer focuses on the quality and price of individual
issuers, not on economic sector or market-timing strategies. Factors Pioneer
looks for in selecting investments include:
o Favorable expected returns relative to perceived risk
o Above average potential for earnings and revenue growth
o Low market valuations relative to earnings forecast, book value, cash flow
  and sales
o A sustainable competitive advantage, such as a brand name, customer base,
  proprietary technology or economies of scale

The fund's investment strategies and policies may be changed from time to time
without shareholder approval, unless specifically stated otherwise in this
prospectus or in the statement of additional information.


NON-U.S. INVESTMENTS

The fund may invest in securities of non-U.S. issuers, including securities of
emerging markets issuers. Non-U.S. issuers are issuers that are organized and
have their principal offices outside of the United States. Non-U.S. securities
may be issued by non-U.S. governments, banks or corporations, or private
issuers, and certain supranational organizations, such as the World Bank and
the European Union. The fund considers emerging market issuers to include
issuers organized under the laws of an emerging market country, issuers with a
principal office in an emerging market country, issuers that derive at least
50% of their gross revenues or profits from goods or services produced in
emerging markets or sales made in emerging markets, and emerging market
governmental issuers.



INVESTMENTS IN REITS
REITs are companies that invest primarily in income producing real estate or
real estate related loans or interests. Some REITs invest directly in real
estate and derive their income from the collection of rents and capital gains
on the sale of properties. Other REITs invest primarily in mortgages, including
"sub-prime" mortgages, secured by real estate and derive their income from
collection of interest.


                                       13
<PAGE>

More on the fund's investment objectives
and strategies

DEBT SECURITIES
The fund may invest in debt securities. Generally the fund may acquire debt
securities that are investment grade, but the fund may invest in below
investment grade debt securities (known as "junk bonds") including below
investment grade convertible debt securities. A debt security is investment
grade if it is rated in one of the top four categories by a nationally
recognized statistical rating organization or determined to be of equivalent
credit quality by the adviser.


DERIVATIVES
The fund may, but is not required to, use futures and options on securities,
indices and currencies, forward foreign currency exchange contracts, swaps and
other derivatives. A derivative is a security or instrument whose value is
determined by reference to the value or the change in value of one or more
securities, currencies, indices or other financial instruments. The fund may
use derivatives for a variety of purposes, including:
o In an attempt to hedge against adverse changes in the market prices of
  securities, interest rates or currency exchange rates
o As a substitute for purchasing or selling securities
o To attempt to increase the fund's return as a non-hedging strategy that may
  be considered speculative
o To manage portfolio characteristics (for example, the fund's exposure to
  various market segments)
o As a cash flow management technique

The fund may choose not to make use of derivatives for a variety of reasons,
and any use may be limited by applicable law and regulations.


CASH MANAGEMENT AND TEMPORARY INVESTMENTS
Normally, the fund invests substantially all of its assets to meet its
investment objectives. The fund may invest the remainder of its assets in
securities with remaining maturities of less than one year or cash equivalents,
or may hold cash. For temporary defensive purposes, including during periods of
unusual cash flows, the fund may depart from its principal investment
strategies and invest part or all of its assets in these securities or may hold
cash. The fund may adopt a defensive strategy when the adviser believes
securities in which the fund normally invests have special or unusual risks or
are less attractive due to adverse market, economic, political or other
conditions. During such periods, it may be more difficult for the fund to
achieve its investment objective.


                                       14
<PAGE>

ADDITIONAL INVESTMENT STRATEGIES
In addition to the principal investment strategies discussed above, the fund
may also use other techniques, including the following non-principal investment
strategies.


REVERSE REPURCHASE AGREEMENTS AND BORROWING
The fund may enter into reverse repurchase agreements pursuant to which the
fund transfers securities to a counterparty in return for cash, and the fund
agrees to repurchase the securities at a later date and for a higher price.
Reverse repurchase agreements are treated as borrowings by the fund, are a form
of leverage and may make the value of an investment in the fund more volatile
and increase the risks of investing in the fund. The fund also may borrow money
from banks or other lenders for temporary purposes. The fund may borrow up to
33 1/3% of its total assets. Entering into reverse repurchase agreements and
other borrowing transactions may cause the fund to liquidate positions when it
may not be advantageous to do so in order to satisfy its obligations or meet
segregation requirements.


SHORT-TERM TRADING
The fund usually does not trade for short-term profits. The fund will sell an
investment, however, even if it has only been held for a short time, if it no
longer meets the fund's investment criteria. If the fund does a lot of trading,
it may incur additional operating expenses, which would reduce performance, and
could cause shareowners to incur a higher level of taxable income or capital
gains.


                                       15
<PAGE>

More on the risks of investing in the fund

PRINCIPAL INVESTMENT RISKS
You could lose money on your investment in the fund. As with any mutual fund,
there is no guarantee that the fund will achieve its objectives.


MARKET RISK. The market prices of securities held by the fund may go up or
down, sometimes rapidly or unpredictably, due to general market conditions,
such as real or perceived adverse economic, political, or regulatory
conditions, inflation, changes in interest or currency rates, lack of liquidity
in the bond markets or adverse investor sentiment. Changes in market conditions
may not have the same impact on all types of securities. The market prices of
securities may also fall due to specific conditions that affect a particular
sector of the securities market or a particular issuer. The stock market may
perform poorly relative to other investments (this risk may be greater in the
short term). In the past several years, financial markets, such as those in the
United States, Europe, Asia and elsewhere, have experienced increased
volatility, depressed valuations, decreased liquidity and heightened
uncertainty. These conditions may continue, recur, worsen or spread. Events
that have contributed to these market conditions include, but are not limited
to, major cybersecurity events; measures to address U.S. federal and state
budget deficits; downgrading of U.S. long-term sovereign debt; declines in oil
and commodity prices; dramatic changes in currency exchange rates; and public
sentiment. The U.S. government and the Federal Reserve, as well as certain
foreign governments and their central banks, have taken steps to support
financial markets. This and other government intervention may not work as
intended, particularly if the efforts are perceived by investors as being
unlikely to achieve the desired results. The Federal Reserve has reduced its
market support activities and recently has begun raising interest rates.
Certain foreign governments and central banks are implementing or discussing
so-called negative interest rates (e.g., charging depositors who keep their
cash at a bank) to spur economic growth. Further Federal Reserve or other U.S.
or non-U.S. governmental or central bank actions, including interest rate
increases or contrary actions by different governments, could negatively affect
financial markets generally, increase market volatility and reduce the value
and liquidity of securities in which the fund invests. Policy and legislative
changes in the U.S. and in other countries are affecting many aspects of
financial regulation, and may in some instances contribute to decreased
liquidity and increased volatility in the financial markets. The impact of
these changes on the markets, and the practical implications for market
participants, may not be fully known for some time. Economies and financial
markets throughout the world are increasingly interconnected. Economic,



                                       16
<PAGE>


financial or political events, trading and tariff arrangements, terrorism,
natural disasters and other circumstances in one country or region could have
profound impacts on global economies or markets. As a result, whether or not
the fund invests in securities of issuers located in or with significant
exposure to the countries directly affected, the value and liquidity of the
fund's investments may be negatively affected. The fund may experience a
substantial or complete loss on any individual security or derivative position.


VALUE STYLE RISK. The prices of securities the adviser believes are undervalued
may not appreciate as expected or may go down. Value stocks may fall out of
favor with investors and underperform the overall equity market.

PORTFOLIO SELECTION RISK. The adviser's judgment about a particular security or
issuer, or about the economy or a particular sector, region or market segment,
or about an investment strategy, may prove to be incorrect.


RISKS OF INVESTMENTS IN REAL ESTATE RELATED SECURITIES. Investments in real
estate securities are affected by economic conditions, interest rates,
governmental actions and other factors. In addition, investing in REITs
involves unique risks. They are significantly affected by the market for real
estate and are dependent upon management skills and cash flow. REITs may have
lower trading volumes and may be subject to more abrupt or erratic price
movements than the overall securities markets. Mortgage REITs are particularly
subject to interest rate and credit risks. In addition to its own expenses, the
fund will indirectly bear its proportionate share of any management and other
expenses paid by REITs in which it invests. Many real estate companies,
including REITs, utilize leverage.


RISKS OF WARRANTS AND RIGHTS. Warrants and rights give the fund the right to
buy stock. A warrant specifies the amount of underlying stock, the purchase (or
"exercise") price, and the date the warrant expires. The fund has no obligation
to exercise the warrant and buy the stock. A warrant has value only if the fund
is able to exercise it or sell it before it expires. If the price of the
underlying stock does not rise above the exercise price before the warrant
expires, the warrant generally expires without any value and the fund loses any
amount it paid for the warrant. Thus, investments in warrants may involve
substantially more risk than investments in common stock. Warrants may trade in
the same markets as their underlying stock; however, the price of the warrant
does not necessarily move with the price of the underlying stock.


                                       17
<PAGE>

More on the risks of investing in the fund

The fund may purchase securities pursuant to the exercise of subscription
rights, which allow an issuer's existing shareholders to purchase additional
common stock at a price substantially below the market price of the shares. The
failure to exercise subscription rights to purchase common stock would result
in the dilution of the fund's interest in the issuing company. The market for
such rights is not well developed and, accordingly, the fund may not always
realize full value on the sale of rights.

PREFERRED STOCKS RISK. Preferred stocks may pay fixed or adjustable rates of
return. Preferred stocks are subject to issuer-specific and market risks
applicable generally to equity securities. In addition, a company's preferred
stocks generally pay dividends only after the company makes required payments
to holders of its bonds and other debt. Thus, the value of preferred stocks
will usually react more strongly than bonds and other debt to actual or
perceived changes in the company's financial condition or prospects. The market
value of preferred stocks generally decreases when interest rates rise.
Preferred stocks of smaller companies may be more vulnerable to adverse
developments than preferred stocks of larger companies.

RISKS OF INITIAL PUBLIC OFFERINGS. Companies involved in initial public
offerings (IPOs) generally have limited operating histories, and prospects for
future profitability are uncertain. Information about the companies may be
available for very limited periods. The market for IPO issuers has been
volatile, and share prices of newly public companies have fluctuated
significantly over short periods of time. Further, stocks of newly-public
companies may decline shortly after the IPO. There is no assurance that the
fund will have access to IPOs. The purchase of IPO shares may involve high
transaction costs. Because of the price volatility of IPO shares, the fund may
choose to hold IPO shares for a very short period of time. This may increase
the turnover of the portfolio and may lead to increased expenses to the fund,
such as commissions and transaction costs. The market for IPO shares can be
speculative and/or inactive for extended periods of time. There may be only a
limited number of shares available for trading. The limited number of shares
available for trading in some IPOs may also make it more difficult for the fund
to buy or sell significant amounts of shares without an unfavorable impact on
prevailing prices.

RISKS OF INVESTMENT IN OTHER FUNDS. Investing in other investment companies,
including exchange-traded funds (ETFs), subjects the fund to the risks of
investing in the underlying securities or assets held by those funds. When
investing in another fund, the fund will bear a pro rata portion of the
underlying


                                       18
<PAGE>

fund's expenses, in addition to its own expenses. ETFs are bought and sold
based on market prices and can trade at a premium or a discount to the ETF's
net asset value.

DEBT SECURITIES RISK. Factors that could contribute to a decline in the market
value of debt securities in the fund include rising interest rates, if the
issuer or other obligor of a security held by the fund fails to pay principal
and/or interest, otherwise defaults or has its credit rating downgraded or is
perceived to be less creditworthy or the credit quality or value of any
underlying assets declines. Junk bonds involve greater risk of loss, are
subject to greater price volatility and are less liquid, especially during
periods of economic uncertainty or change, than higher quality debt securities;
they may also be more difficult to value. Junk bonds have a higher risk of
default or are already in default and are considered speculative.

RISKS OF NON-U.S. INVESTMENTS. Investing in non-U.S. issuers, or in U.S.
issuers that have significant exposure to foreign markets, may involve unique
risks compared to investing in securities of U.S. issuers. These risks are more
pronounced for issuers in emerging markets or to the extent that the fund
invests significantly in one region or country. These risks may include:
o Less information about non-U.S. issuers or markets may be available due to
  less rigorous disclosure or accounting standards or regulatory practices
o Many non-U.S. markets are smaller, less liquid and more volatile. In a
  changing market, the adviser may not be able to sell the fund's securities
  at times, in amounts and at prices it considers reasonable
o Adverse effect of currency exchange rates or controls on the value of the
  fund's investments, or its ability to convert non-U.S. currencies to U.S.
  dollars
o The economies of non-U.S. countries may grow at slower rates than expected or
  may experience a downturn or recession
o Economic, political, regulatory and social developments may adversely affect
  the securities markets
o It may be difficult for the fund to pursue claims or enforce judgments
  against a foreign bank, depository or issuer of a security, or any of their
  agents, in the courts of a foreign country
o Withholding and other non-U.S. taxes may decrease the fund's return. The
  value of the fund's foreign investments also may be affected by U.S. tax
  considerations and restrictions in receiving investment proceeds from a
  foreign country


                                       19
<PAGE>

More on the risks of investing in the fund

o Some markets in which the fund may invest are located in parts of the world
  that have historically been prone to natural disasters that could result in
  a significant adverse impact on the economies of those countries and
  investments made in those countries
o It is often more expensive for the fund to buy, sell and hold securities in
  certain foreign markets than in the United States
o A governmental entity may delay, or refuse or be unable to pay, interest or
  principal on its sovereign debt due to cash flow problems, insufficient
  foreign currency reserves, political considerations, the relative size of
  the governmental entity's debt position in relation to the economy or the
  failure to put in place economic reforms

o Investing in depositary receipts is subject to many of the same risks as
  investing directly in non-U.S. issuers. Depositary receipts may involve
  higher expenses and may trade at a discount (or premium) to the underlying
  security. In addition, depositary receipts may not pass through voting and
  other shareholder rights, and may be less liquid than the underlying
  securities listed on an exchange
o A number of countries in the European Union (EU) have experienced, and may
  continue to experience, severe economic and financial difficulties.
  Additional EU member countries may also fall subject to such difficulties. A
  number of countries in Europe have suffered terror attacks, and additional
  attacks may occur in the future. In addition, voters in the United Kingdom
  have approved withdrawal from the EU. Other countries may seek to withdraw
  from the EU and/or abandon the euro, the common currency of the EU. These
  events could negatively affect the value and liquidity of the fund's
  investments, particularly in euro-denominated securities and derivative
  contracts, securities of issuers located in the EU or with significant
  exposure to EU issuers or countries


MARKET SEGMENT RISK. To the extent the fund emphasizes, from time to time,
investments in a market segment, the fund will be subject to a greater degree
to the risks particular to that segment, and may experience greater market
fluctuation, than a fund without the same focus. For example, industries in the
financial segment, such as banks, insurance companies, broker-dealers and real
estate investment trusts (REITs), may be sensitive to changes in interest rates
and general economic activity and are generally subject to extensive government
regulation.

Industries in the technology segment, such as information technology,
communications equipment, computer hardware and software, and office and
scientific equipment, are generally subject to risks of rapidly evolving


                                       20
<PAGE>

technology, short product lives, rates of corporate expenditures, falling
prices and profits, competition from new market entrants, and general economic
conditions.

Industries in the consumer discretionary segment, such as consumer durables,
hotels, restaurants, media, retailing and automobiles, may be significantly
affected by the performance of the overall economy, interest rates,
competition, consumer confidence and spending, and changes in demographics and
consumer tastes.

Industries in the health care segment, such as health care supplies, health
care services, biotechnology and pharmaceuticals, may be significantly affected
by government regulation and reimbursement rates, approval of products by
government agencies, and patent expirations and litigation.

Industries in the energy segment, such as those engaged in the development,
production and distribution of energy resources, can be significantly affected
by supply and demand both for their specific product or service and for energy
products in general. The price of oil, gas and other consumable fuels,
exploration and production spending, government regulation, world events and
economic conditions likewise will affect the performance of companies in these
industries.

Industries in the consumer staples segment, such as food and drug retailing,
beverages, food and tobacco products, household products and personal products,
are subject to government regulation affecting ingredients and production
methods. These industries also may be affected by competition, changes in
consumer tastes and other factors affecting supply and demand, and litigation.

Industries in the industrials segment, such as companies engaged in the
production, distribution or service of products or equipment for manufacturing,
agriculture, forestry, mining and construction, can be significantly affected
by general economic trends, including such factors as employment and economic
growth, interest rate changes, changes in consumer spending, legislative and
governmental regulation and spending, import controls, commodity prices, and
worldwide competition.

DERIVATIVES RISK. Using stock index futures and options and other derivatives
exposes the fund to special risks and costs and may result in losses to the
fund, even when used for hedging purposes. Using derivatives can increase
losses and reduce opportunities for gain when market prices, interest rates or
currencies, or the derivative instruments themselves,


                                       21
<PAGE>

More on the risks of investing in the fund

behave in a way not anticipated by the fund, especially in abnormal market
conditions. Using derivatives can have a leveraging effect (which may increase
investment losses) and increase the fund's volatility, which is the degree to
which the fund's share price may fluctuate within a short time period. Certain
derivatives have the potential for unlimited loss, regardless of the size of
the fund's initial investment. If changes in a derivative's value do not
correspond to changes in the value of the fund's other investments or do not
correlate well with the underlying assets, rate or index, the fund may not
fully benefit from, or could lose money on, or could experience unusually high
expenses as a result of, the derivative position. The other parties to certain
derivative transactions present the same types of credit risk as issuers of
fixed income securities. Derivatives also tend to involve greater liquidity
risk and they may be difficult to value. The fund may be unable to terminate or
sell its derivative positions. In fact, many over-the-counter derivatives will
not have liquidity beyond the counterparty to the instrument. Use of
derivatives or similar instruments may have different tax consequences for the
fund than an investment in the underlying security, and those differences may
affect the amount, timing and character of income distributed to shareholders.
The fund's use of derivatives may also increase the amount of taxes payable by
shareholders. Risks associated with the use of derivatives are magnified to the
extent that an increased portion of the fund's assets are committed to
derivatives in general or are invested in just one or a few types of
derivatives.


The U.S. government and foreign governments are in the process of adopting and
implementing regulations governing derivative markets, including mandatory
clearing of certain derivatives, margin and reporting requirements. The
ultimate impact of the regulations remains unclear. Additional regulation of
derivatives may make derivatives more costly, may limit their availability or
utility or otherwise adversely affect their performance, or may disrupt
markets. The fund may be exposed to additional risks as a result of the
additional regulations. The extent and impact of the regulations are not yet
fully known and may not be for some time. In addition, the SEC has proposed a
new rule that would change the regulation of the use of derivatives by
registered investment companies, such as the fund. If the proposed rule takes
effect, it could limit the ability of the fund to invest in derivatives.


The fund will be required to maintain its positions with a clearing
organization through one or more clearing brokers. The clearing organization
will require the fund to post margin and the broker may require the fund to
post additional margin to secure the fund's obligations. The amount of margin
required


                                       22
<PAGE>

may change from time to time. In addition, cleared transactions may be more
expensive to maintain than over-the-counter transactions and may require the
fund to deposit larger amounts of margin. The fund may not be able to recover
margin amounts if the broker has financial difficulties. Also, the broker may
require the fund to terminate a derivatives position under certain
circumstances. This may cause the fund to lose money. The fund's ability to use
certain derivative instruments currently is limited by Commodity Futures
Trading Commission rules.

LEVERAGING RISK. The value of your investment may be more volatile and other
risks tend to be compounded if the fund borrows or uses derivatives or other
investments, such as ETFs, that have embedded leverage. Leverage generally
magnifies the effect of any increase or decrease in the value of the fund's
underlying assets and creates a risk of loss of value on a larger pool of
assets than the fund would otherwise have, potentially resulting in the loss of
all assets. Engaging in such transactions may cause the fund to liquidate
positions when it may not be advantageous to do so to satisfy its obligations
or meet segregation requirements.


VALUATION RISK. Many factors may influence the price at which the fund could
sell any particular portfolio investment. The sales price may well differ -
higher or lower - from the fund's last valuation of the investment, and such
differences could be significant, particularly for illiquid securities and
securities that trade in thin markets and/or markets that experience extreme
volatility. The fund may value investments using fair value methodologies.
Investors who purchase or redeem fund shares on days when the fund is holding
fair-valued securities may receive fewer or more shares, or lower or higher
redemption proceeds, than they would have received if the fund had not
fair-valued the securities or had used a different valuation methodology. The
value of foreign securities, certain fixed income securities and currencies, as
applicable, may be materially affected by events after the close of the market
on which they are valued, but before the fund determines its net asset value.
The fund's ability to value its investments may also be impacted by
technological issues and/or errors by pricing services or other third party
service providers.

LIQUIDITY RISK. Liquidity risk is the risk that particular investments, or
investments generally, may be impossible or difficult to purchase or sell.
Although most of the fund's securities and other investments must be liquid at
the time of investment, securities and other investments may become illiquid
after purchase by the fund, particularly during periods of



                                       23
<PAGE>

More on the risks of investing in the fund


market turmoil. Liquidity and value of investments can deteriorate rapidly.
When the fund holds illiquid investments, its portfolio may be harder to value,
especially in changing markets. If the fund is forced to sell or unwind these
investments to meet redemptions or for other cash needs, the fund may suffer a
loss. The fund may experience heavy redemptions that could cause the fund to
liquidate its assets at inopportune times or at a loss or depressed value,
which could cause the value of your investment to decline. In addition, when
there is illiquidity in the market for certain securities and other
investments, the fund, due to limitations on investments in illiquid
securities, may be unable to achieve its desired level of exposure to a certain
sector.

REDEMPTION RISK. The fund may experience periods of heavy redemptions that
could cause the fund to liquidate its assets at inopportune times or at a loss
or depressed value, particularly during periods of declining or illiquid
markets. Redemption risk is greater to the extent that the fund has investors
with large shareholdings, short investment horizons, or unpredictable cash flow
needs. In addition, redemption risk is heightened during periods of overall
market turmoil. The redemption by one or more large shareholders of their
holdings in the fund could hurt performance and/or cause the remaining
shareholders in the fund to lose money. If one decision maker has control of
fund shares owned by separate fund shareholders, including clients or
affiliates of the fund's adviser, redemptions by these shareholders may further
increase the fund's redemption risk. If the fund is forced to liquidate its
assets under unfavorable conditions or at inopportune times, the value of your
investment could decline.


CASH MANAGEMENT RISK. The value of the investments held by the fund for cash
management or temporary defensive purposes may be affected by market risks,
changing interest rates and by changes in credit ratings of the investments. To
the extent that the fund has any uninvested cash, the fund would be subject to
credit risk with respect to the depository institution holding the cash. If the
fund holds cash uninvested, the fund will not earn income on the cash and the
fund's yield will go down. During such periods, it may be more difficult for
the fund to achieve its investment objectives.

EXPENSE RISK. Your actual costs of investing in the fund may be higher than the
expenses shown in "Annual fund operating expenses" for a variety of reasons.
For example, expense ratios may be higher than those shown if overall net
assets decrease. Net assets are more likely to decrease and fund expense ratios
are more likely to increase when markets are volatile.


                                       24
<PAGE>

To learn more about the fund's investments and risks, you should obtain and
read the statement of additional information. Please note that there are many
other factors that could adversely affect your investment and that could
prevent the fund from achieving its goals.


DISCLOSURE OF PORTFOLIO HOLDINGS
The fund's policies and procedures with respect to disclosure of the fund's
securities are described in the statement of additional information.


                                       25
<PAGE>

Management

INVESTMENT ADVISER
Pioneer, the fund's investment adviser, selects the fund's investments and
oversees the fund's operations.


Pioneer is an indirect, wholly owned subsidiary of UniCredit S.p.A., one of the
largest banking groups in Italy. Pioneer is part of the global asset management
group providing investment management and financial services to mutual funds,
institutional and other clients. As of March 31, 2017, assets under management
were approximately $244 billion worldwide, including over $71 billion in assets
under management by Pioneer (and its U.S. affiliates).


Pioneer's main office is at 60 State Street, Boston, Massachusetts 02109.

The firm's U.S. mutual fund investment history includes creating this fund in
1928, one of the first mutual funds.

Pioneer has received an order from the Securities and Exchange Commission that
permits Pioneer, subject to the approval of the fund's Board of Trustees, to
hire and terminate a subadviser that is not affiliated with Pioneer (an
"unaffiliated subadviser") or to materially modify an existing subadvisory
contract with an unaffiliated subadviser for the fund without shareholder
approval. Pioneer retains the ultimate responsibility to oversee and recommend
the hiring, termination and replacement of any unaffiliated subadviser.


PORTFOLIO MANAGEMENT
Day-to-day management of the fund's portfolio is the responsibility of Jeff
Kripke, portfolio manager of the fund since 2015; John A. Carey, portfolio
manager of the fund since 1986; and Walter Hunnewell, Jr., assistant portfolio
manager of the fund since 2001. Mr. Kripke, Mr. Carey and Mr. Hunnewell are
supported by the domestic equity team. Members of this team manage other
Pioneer funds investing primarily in U.S. equity securities. The portfolio
managers and the team also may draw upon the research and investment management
expertise of the global research teams, which provide fundamental and
quantitative research on companies and include members from one or more of
Pioneer's affiliates.

Jeff Kripke, a Senior Vice President of Pioneer, joined Pioneer in 2015. Prior
to joining Pioneer, Mr. Kripke was at Allianz Global Investors, where he was
Co-CIO of the Disciplined Equity Group and a portfolio manager since 2014.
Previously, Mr. Kripke was at Wellington Management Company from 2001-2013,
where he was an associate partner and portfolio manager.


                                       26
<PAGE>

John Carey, an Executive Vice President of Pioneer, joined Pioneer as an
analyst in 1979.

Walter Hunnewell, a Vice President of Pioneer, joined Pioneer as a portfolio
manager in 2001 and has been an investment professional since 1985.

The fund's statement of additional information provides additional information
about the portfolio managers' compensation, other accounts managed by the
portfolio managers, and the portfolio managers' ownership of shares of the
fund.


MANAGEMENT FEE
The fund pays Pioneer a fee for managing the fund and to cover the cost of
providing certain services to the fund.

Pioneer's fee varies based on:
o The fund's assets. Pioneer earns an annual basic fee equal to 0.60% of the
  fund's average daily net assets up to $7.5 billion, 0.575% on the next $2.5
  billion of the fund's average daily net assets and 0.55% on the excess over
  $10 billion of the fund's average daily net assets.
o The fund's performance. The investment performance of the fund has been
  compared to the Standard & Poor's 500 Index. The basic fee can increase or
  decrease by a maximum of 0.10%, depending on the performance of the fund's
  Class A shares relative to the index. The performance comparison is made for
  a rolling 36-month period.

Pioneer's fee increases or decreases depending upon whether the fund's
performance is up and down more or less than that of the index during the
rolling 36-month performance period. Each percentage point of difference
between the performance of Class A shares and the index (to a maximum of +/-10
percentage points) is multiplied by a performance rate adjustment of 0.01%. As
a result, the maximum annualized rate adjustment is +/-0.10% for the rolling
36-month performance period. In addition, Pioneer contractually limits any
positive adjustment of the fund's management fee to 0.10% of the fund's average
daily net assets on an annual basis (i.e., to a maximum annual fee of 0.70%
after the performance adjustment).

This performance comparison is made at the end of each month. An appropriate
percentage of this rate (based on the number of days in the current month) is
then applied to the fund's average net assets for the entire performance
period, giving a dollar amount that will be added to (or subtracted from) the
basic fee.


                                       27
<PAGE>

Management

Because the adjustment to the basic fee is based on the comparative performance
of the fund and the performance record of the index, the controlling factor is
not whether fund performance is up or down, but whether it is up or down more
or less than the performance record of the index, regardless of general market
performance. As a result, Pioneer could earn the maximum possible fee even if
the fund's net asset value declines. Moreover, the comparative investment
performance of the fund is based solely on the relevant performance period
without regard to the cumulative performance over a longer or shorter period of
time.


For the fiscal year ended December 31, 2016, the fund paid management fees
(excluding waivers and/or assumption of expenses) equivalent to 0.52% of the
fund's average daily net assets.

A discussion regarding the basis for the Board of Trustees' approval of the
management contract is available in the fund's annual report to shareholders
for the period ended December 31, 2016.



DISTRIBUTOR
Pioneer Funds Distributor, Inc. is the fund's distributor. The fund compensates
the distributor for its services. The distributor is an affiliate of Pioneer.


                                       28
<PAGE>

Pricing of shares

NET ASSET VALUE
The fund's net asset value is the value of its securities plus any other assets
minus its accrued operating expenses and other liabilities. The fund calculates
a net asset value for each class of shares every day the New York Stock
Exchange is open as of the scheduled close of regular trading (normally 4:00
p.m. Eastern time). If the New York Stock Exchange closes at another time, the
fund will calculate a net asset value for each class of shares as of the
scheduled closing time. On days when the New York Stock Exchange is closed for
trading, including certain holidays listed in the statement of additional
information, a net asset value is not calculated. The fund's most recent net
asset value is available on the fund's website, us.pioneerinvestments.com.


The fund generally values its equity securities and certain derivative
instruments that are traded on an exchange using the last sale price on the
principal exchange on which they are traded. Equity securities that are not
traded on the date of valuation, or securities for which no last sale prices
are available, are valued at the mean between the last bid and asked prices or,
if both last bid and asked prices are not available, at the last quoted bid
price. Last sale, bid and asked prices are provided by independent third party
pricing services. In the case of equity securities not traded on an exchange,
prices are typically determined by independent third party pricing services
using a variety of techniques and methods. The fund may use a fair value model
developed by an independent pricing service to value non-U.S. equity
securities.


The fund generally values debt securities and certain derivative instruments by
using the prices supplied by independent third party pricing services. A
pricing service may use market prices or quotations from one or more brokers or
other sources, or may use a pricing matrix or other fair value methods or
techniques to provide an estimated value of the security or instrument. A
pricing matrix is a means of valuing a debt security on the basis of current
market prices for other debt securities, historical trading patterns in the
market for fixed income securities and/or other factors. Non-U.S. debt
securities that are listed on an exchange will be valued at the bid price
obtained from an independent third party pricing service.


                                       29
<PAGE>

Pricing of shares


To the extent that the fund invests in shares of other mutual funds that are
not traded on an exchange, such shares of other mutual funds are valued at
their net asset values as provided by those funds. The prospectuses for those
funds explain the circumstances under which those funds will use fair value
pricing methods and the effects of using fair value pricing methods.


The valuations of securities traded in non-U.S. markets and certain fixed
income securities will generally be determined as of the earlier closing time
of the markets on which they primarily trade. When the fund holds securities or
other assets that are denominated in a foreign currency, the fund will normally
use the currency exchange rates as of 3:00 p.m. (Eastern time). Non-U.S.
markets are open for trading on weekends and other days when the fund does not
price its shares. Therefore, the value of the fund's shares may change on days
when you will not be able to purchase or redeem fund shares.

When independent third party pricing services are unable to supply prices for
an investment, or when prices or market quotations are considered by Pioneer to
be unreliable, the value of that security may be determined using quotations
from one or more broker-dealers. When such prices or quotations are not
available, or when they are considered by Pioneer to be unreliable, the fund
uses fair value methods to value its securities pursuant to procedures adopted
by the Board of Trustees. The fund also may use fair value methods if it is
determined that a significant event has occurred between the time at which a
price is determined and the time at which the fund's net asset value is
calculated. Because the fund may invest in securities rated below investment
grade - some of which may be thinly traded and for which prices may not be
readily available or may be unreliable - the fund may use fair value methods
more frequently than funds that primarily invest in securities that are more
widely traded. Valuing securities using fair value methods may cause the net
asset value of the fund's shares to differ from the net asset value that would
be calculated only using market prices.

The prices used by the fund to value its securities may differ from the amounts
that would be realized if these securities were sold and these differences may
be significant, particularly for securities that trade in relatively thin
markets and/or markets that experience extreme volatility.


                                       30
<PAGE>

Choosing a class of shares


The fund offers five classes of shares through this prospectus. Each class has
different eligibility requirements, sales charges and expenses, allowing you to
choose the class that best meets your needs.


Factors you should consider include:
o The eligibility requirements that apply to purchases of a particular share
  class
o The expenses paid by each class
o The initial sales charges and contingent deferred sales charges (CDSCs), if
  any, applicable to each class
o Whether you qualify for any reduction or waiver of sales charges
o How long you expect to own the shares
o Any services you may receive from a financial intermediary


Your investment professional can help you determine which class meets your
goals. Your investment professional or financial intermediary may receive
different compensation depending upon which class you choose.


For information on the fund's expenses, please see "Fund Summary."


The availability of certain sales charge waivers and discounts may depend on
whether you purchase your shares directly from the fund or through a financial
intermediary. Specific intermediaries may have different policies and
procedures regarding the availability of front-end sales charge waivers or
contingent deferred (back-end) sales charge (CDSC) waivers, which are discussed
under "Intermediary defined sales charge waiver policies." In all instances, it
is the purchaser's responsibility to notify the fund or the purchaser's
financial intermediary at the time of purchase of any relationship or other
facts qualifying the purchaser for sales charge waivers or discounts. For
waivers and discounts not available through a particular intermediary,
shareholders will have to purchase fund shares directly from the fund or
through another intermediary to receive these waivers or discounts. Please see
the "Intermediary defined sales charge waiver policies" section to determine
any sales charge discounts and waivers that may be available to you through
your financial intermediary.



CLASS A SHARES
o You pay a sales charge of up to 5.75% of the offering price, which is reduced
  or waived for large purchases and certain types of investors. At the time of
  your purchase, your investment firm may receive a commission from the
  distributor of up to 5%, declining as the size of your investment increases.


                                       31
<PAGE>

Choosing a class of shares

o There is no contingent deferred sales charge, except in certain circumstances
  when no initial sales charge is charged.
o Distribution and service fees of 0.25% of average daily net assets.


CLASS C SHARES
o A 1% contingent deferred sales charge is assessed if you sell your shares
  within one year of purchase. Your investment firm may receive a commission
  from the distributor at the time of your purchase of up to 1%.
o Distribution and service fees of 1.00% of average daily net assets.
o Does not convert to another share class.
o Maximum purchase amount (per transaction) of $499,999.


CLASS R SHARES
o No initial or contingent deferred sales charge.
o Distribution fees of 0.50% of average daily net assets. Separate service plan
  provides for payment to financial intermediaries of up to 0.25% of average
  daily net assets.
o Generally, available only through certain tax-deferred retirement plans and
  related accounts.



CLASS T SHARES


o You pay a sales charge of 2.50% of the offering price, which is reduced for
  large purchases. At the time of your purchase, your investment firm will
  receive a commission from the distributor of up to 2.50%, declining as the
  size of your investment increases.
o There is no contingent deferred sales charge.
o Distribution and service fees of 0.25% of average daily net assets.
o There is no exchange privilege for Class T shares.



CLASS Y SHARES
o No initial or contingent deferred sales charge.
o Initial investments are subject to a $5 million investment minimum, which may
  be waived in some circumstances.


                                       32
<PAGE>

SHARE CLASS ELIGIBILITY


CLASS R SHARES
Class R shares are available to certain tax-deferred retirement plans
(including 401(k) plans, employer-sponsored 403(b) plans, 457 plans, profit
sharing and money purchase pension plans, defined benefit plans and
non-qualified deferred compensation plans) held in plan level or omnibus
accounts. Class R shares also are available to IRAs that are rollovers from
eligible retirement plans that offered one or more Class R share Pioneer funds
as investment options. Class R shares are not available to non-retirement
accounts, traditional or Roth IRAs, Coverdell Education Savings Accounts, SEPs,
SAR-SEPs, SIMPLE IRAs, individual 403(b)s and most individual retirement
accounts or retirement plans that are not subject to the Employee Retirement
Income Security Act of 1974 (ERISA).



CLASS T SHARES
Class T shares are available only through financial intermediaries.



                                       33
<PAGE>

Distribution and service arrangements

DISTRIBUTION PLAN

The fund has adopted a distribution plan for Class A, Class C, Class R and
Class T shares in accordance with Rule 12b-1 under the Investment Company Act
of 1940. Under the plan, the fund pays distribution and service fees to the
distributor. Because these fees are an ongoing expense of the fund, over time
they increase the cost of your investment and your shares may cost more than
shares that are subject to other types of sales charges.



CLASS R SHARES SERVICE PLAN
The fund has adopted a separate service plan for Class R shares. Under the
service plan, the fund may pay securities dealers, plan administrators or other
financial intermediaries who agree to provide certain services to plans or plan
participants holding shares of the fund a service fee of up to 0.25% of average
daily net assets attributable to Class R shares held by such plan participants.
The services provided under the service plan include acting as a shareholder of
record, processing purchase and redemption orders, maintaining participant
account records and answering participant questions regarding the fund.


ADDITIONAL PAYMENTS TO FINANCIAL INTERMEDIARIES

Your financial intermediary may receive compensation from the fund, Pioneer or
its affiliates for the sale of fund shares and related services. Compensation
may include sales commissions and distribution and service (Rule 12b-1) fees,
as well as compensation for administrative services and transaction processing.

Pioneer or its affiliates may make additional payments to your financial
intermediary. These payments may provide your financial intermediary with an
incentive to favor the Pioneer funds over other mutual funds or assist the
distributor in its efforts to promote the sale of the fund's shares. Financial
intermediaries include broker-dealers, banks (including bank trust
departments), registered investment advisers, financial planners, retirement
plan administrators and other types of intermediaries.

Pioneer or its affiliates make these additional payments (sometimes referred to
as "revenue sharing") to financial intermediaries out of its own assets, which
may include profits derived from services provided to the fund, or from the
retention of a portion of sales charges or distribution and service



                                       34
<PAGE>

fees. Pioneer may base these payments on a variety of criteria, including the
amount of sales or assets of the Pioneer funds attributable to the financial
intermediary or as a per transaction fee.

Not all financial intermediaries receive additional compensation and the amount
of compensation paid varies for each financial intermediary. In certain cases,
these payments may be significant. Pioneer determines which firms to support
and the extent of the payments it is willing to make, generally choosing firms
that have a strong capability to effectively distribute shares of the Pioneer
funds and that are willing to cooperate with Pioneer's promotional efforts.
Pioneer also may compensate financial intermediaries (in addition to amounts
that may be paid by the fund) for providing certain administrative services and
transaction processing services.

Pioneer may benefit from revenue sharing if the intermediary features the
Pioneer funds in its sales system (such as by placing certain Pioneer funds on
its preferred fund list or giving access on a preferential basis to members of
the financial intermediary's sales force or management). In addition, the
financial intermediary may agree to participate in the distributor's marketing
efforts (such as by helping to facilitate or provide financial assistance for
conferences, seminars or other programs at which Pioneer personnel may make
presentations on the Pioneer funds to the intermediary's sales force). To the
extent intermediaries sell more shares of the Pioneer funds or retain shares of
the Pioneer funds in their clients' accounts, Pioneer receives greater
management and other fees due to the increase in the Pioneer funds' assets. The
intermediary may earn a profit on these payments if the amount of the payment
to the intermediary exceeds the intermediary's costs.

The compensation that Pioneer pays to financial intermediaries is discussed in
more detail in the fund's statement of additional information. Your
intermediary may charge you additional fees or commissions other than those
disclosed in this prospectus. Intermediaries may categorize and disclose these
arrangements differently than in the discussion above and in the statement of
additional information. You can ask your financial intermediary about any
payments it receives from Pioneer or the Pioneer funds, as well as about fees
and/or commissions it charges.

Pioneer and its affiliates may have other relationships with your financial
intermediary relating to the provision of services to the Pioneer funds, such
as providing omnibus account services or effecting portfolio transactions for
the Pioneer funds. If your intermediary provides these services, Pioneer


                                       35
<PAGE>

Distribution and service arrangements

or the Pioneer funds may compensate the intermediary for these services. In
addition, your intermediary may have other relationships with Pioneer or its
affiliates that are not related to the Pioneer funds.


                                       36
<PAGE>

Sales charges

INITIAL SALES CHARGES (CLASS A SHARES ONLY)
You pay the offering price (the net asset value per share plus any initial
sales charge) when you buy Class A shares unless you qualify to purchase shares
at net asset value. You pay a lower sales charge as the size of your investment
increases. You do not pay a sales charge when you reinvest dividends or capital
gain distributions paid by the fund.


SALES CHARGES FOR CLASS A SHARES


<TABLE>
<CAPTION>
                                   SALES CHARGE AS % OF
                                  ----------------------
                                    OFFERING  NET AMOUNT
AMOUNT OF PURCHASE                     PRICE    INVESTED
--------------------------------- ---------- -----------
<S>                               <C>        <C>
Less than $50,000                     5.75         6.10
---------------------------------     ----         ----
$50,000 but less than $100,000        4.50         4.71
---------------------------------     ----         ----
$100,000 but less than $250,000       3.50         3.63
---------------------------------     ----         ----
$250,000 but less than $500,000       2.50         2.56
---------------------------------     ----         ----
$500,000 or more                       -0-          -0-
---------------------------------     ----         ----
</TABLE>

The dollar amount of the sales charge is the difference between the offering
price of the shares purchased (based on the applicable sales charge in the
table) and the net asset value of those shares. Since the offering price is
calculated to two decimal places using standard rounding methodology, the
dollar amount of the sales charge as a percentage of the offering price and of
the net amount invested for any particular purchase of fund shares may be
higher or lower due to rounding.



INITIAL SALES CHARGES (CLASS T SHARES ONLY)
You pay the offering price (the net asset value per share plus the initial
sales charge) when you buy Class T shares. You pay a lower sales charge as the
size of your investment increases. You do not pay a sales charge when you
reinvest dividends or capital gain distributions paid by the fund.


SALES CHARGES FOR CLASS T SHARES




<TABLE>
<CAPTION>
                                     SALES CHARGE AS % OF
                                    ----------------------
                                      OFFERING  NET AMOUNT
AMOUNT OF PURCHASE                       PRICE    INVESTED
----------------------------------- ---------- -----------
<S>                                 <C>        <C>
Less than $250,000                      2.50         2.56
-----------------------------------     ----         ----
$250,000 but less than $500,000         2.00         2.04
-----------------------------------     ----         ----
$500,000 but less than $1,000,000       1.50         1.52
-----------------------------------     ----         ----
$1,000,000 or more                      1.00         1.01
-----------------------------------     ----         ----
</TABLE>


                                      37
<PAGE>

Sales charges


The dollar amount of the sales charge is the difference between the offering
price of the shares purchased (based on the applicable sales charge in the
table) and the net asset value of those shares. Since the offering price is
calculated to two decimal places using standard rounding methodology, the
dollar amount of the sales charge as a percentage of the offering price and of
the net amount invested for any particular purchase of fund shares may be
higher or lower due to rounding.


REDUCED SALES CHARGES - CLASS A SHARES

You may qualify for a reduced Class A sales charge if you own or are purchasing
shares of Pioneer mutual funds. The investment levels required to obtain a
reduced sales charge are commonly referred to as "breakpoints." Pioneer offers
two principal means of taking advantage of breakpoints in sales charges for
aggregate purchases of Class A shares of the Pioneer funds over time if:
o The amount of shares you own of the Pioneer funds plus the amount you are
  investing now is at least $50,000 (Rights of accumulation)
o You plan to invest at least $50,000 over the next 13 months (Letter of
  intent)


The availability of certain sales charge waivers and discounts may depend on
whether you purchase your shares directly from the fund or through a financial
intermediary. Please see the "Intermediary defined sales charge waiver
policies" section for more information.


RIGHTS OF ACCUMULATION - CLASS A SHARES ONLY
If you qualify for rights of accumulation, your sales charge will be based on
the combined value (at the current offering price) of all your Pioneer mutual
fund shares, the shares of your spouse and the shares of any children under the
age of 21. Rights of accumulation are not applicable to Class T shares.


LETTER OF INTENT - CLASS A SHARES ONLY

You can use a letter of intent to qualify for reduced sales charges in
two situations:
o If you plan to invest at least $50,000 (excluding any reinvestment of
  dividends and capital gain distributions) in the fund's Class A shares
  during the next 13 months


                                       38
<PAGE>

o If you include in your letter of intent the value (at the current offering
  price) of all of your Class A shares of the fund and Class A or Class C
  shares of all other Pioneer mutual fund shares held of record in the amount
  used to determine the applicable sales charge for the fund shares you plan
  to buy


Completing a letter of intent does not obligate you to purchase additional
shares, but if you do not buy enough shares to qualify for the projected level
of sales charges by the end of the 13-month period (or when you sell your
shares, if earlier), the distributor will recalculate your sales charge. Any
share class for which no sales charge is paid cannot be included under the
letter of intent. For more information regarding letters of intent, please
contact your investment professional or obtain and read the statement of
additional information.

Letters of intent are not applicable to Class T shares.



QUALIFYING FOR A REDUCED CLASS A SALES CHARGE
In calculating your total account value in order to determine whether you have
met sales charge breakpoints, you can include your Pioneer mutual fund shares,
those of your spouse and the shares of any children under the age of 21.
Pioneer will use each fund's current offering price to calculate your total
account value. Certain trustees and fiduciaries may also qualify for a reduced
sales charge.

To receive a reduced sales charge, you or your investment professional must, at
the time of purchase, notify the distributor of your eligibility. In order to
verify your eligibility for a discount, you may need to provide your investment
professional or the fund with information or records, such as account numbers
or statements, regarding shares of the fund or other Pioneer mutual funds held
in all accounts by you, your spouse or children under the age of 21 with that
investment professional or with any other financial intermediary. Eligible
accounts may include joint accounts, retirement plan accounts, such as IRA and
401(k) accounts, and custodial accounts, such as ESA, UGMA and UTMA accounts.

It is your responsibility to confirm that your investment professional has
notified the distributor of your eligibility for a reduced sales charge at the
time of sale. If you or your investment professional do not notify the
distributor of your eligibility, you will risk losing the benefits of a reduced
sales charge.


                                       39
<PAGE>

Sales charges

For this purpose, Pioneer mutual funds include any fund for which the
distributor is principal underwriter and, at the distributor's discretion, may
include funds organized outside the U.S. and managed by Pioneer or an
affiliate.


You can locate information regarding the reduction or waiver of sales charges
free of charge on Pioneer's website at us.pioneerinvestments.com. The website
includes hyperlinks that facilitate access to this information.

The availability of certain sales charge waivers and discounts may depend on
whether you purchase your shares directly from the fund or through a financial
intermediary. Please see the "Intermediary defined sales charge waiver
policies" section for more information.



CLASS A PURCHASES AT NET ASSET VALUE
You may purchase Class A shares at net asset value (without a sales charge) as
follows. If you believe you qualify for any of the Class A sales charge waivers
discussed below, contact your investment professional or the distributor. You
are required to provide written confirmation of your eligibility. You may not
resell these shares except to or on behalf of the fund.


CLASS A PURCHASES AT NET ASSET VALUE ARE AVAILABLE TO:
o Current or former trustees and officers of the fund;
o Partners and employees of legal counsel to the fund (at the time of initial
  share purchase);
o Directors, officers, employees or sales representatives of Pioneer and its
  affiliates (at the time of initial share purchase);
o Directors, officers, employees or sales representatives of any subadviser or
  a predecessor adviser (or their affiliates) to any investment company for
  which Pioneer serves as investment adviser (at the time of initial share
  purchase);
o Officers, partners, employees or registered representatives of broker-dealers
  (at the time of initial share purchase) which have entered into sales
  agreements with the distributor;
o Employees of Regions Financial Corporation and its affiliates (at the time of
  initial share purchase);
o Members of the immediate families of any of the persons above;
o Any trust, custodian, pension, profit sharing or other benefit plan of the
  foregoing persons;
o Insurance company separate accounts;

                                       40
<PAGE>

o Certain wrap accounts for the benefit of clients of investment professionals
  or other financial intermediaries adhering to standards established by the
  distributor;
o Other funds and accounts for which Pioneer or any of its affiliates serves as
  investment adviser or manager;
o Investors in connection with certain reorganization, liquidation or
  acquisition transactions involving other investment companies or personal
  holding companies;
o Certain unit investment trusts;
o Group employer-sponsored retirement plans with at least $500,000 in total
  plan assets. Waivers for group employer-sponsored retirement plans do not
  apply to traditional IRAs, Roth IRAs, SEPs, SARSEPs, SIMPLE IRAs, KEOGHs,
  individual 401(k) or individual 403(b) plans, or to brokerage relationships
  in which sales charges are customarily imposed;
o Group employer-sponsored retirement plans with accounts established with
  Pioneer on or before March 31, 2004 with 100 or more eligible employees or
  at least $500,000 in total plan assets;
o Participants in an employer-sponsored 403(b) plan or employer-sponsored 457
  plan if (i) your employer has made special arrangements for your plan to
  operate as a group through a single broker, dealer or financial intermediary
  and (ii) all participants in the plan who purchase shares of a Pioneer
  mutual fund do so through a single broker, dealer or other financial
  intermediary designated by your employer;
o Investors purchasing shares pursuant to the reinstatement privilege
  applicable to Class A shares; and
o Shareholders of record (i.e., shareholders whose shares are not held in the
  name of a broker or an omnibus account) on the date of the reorganization of
  a predecessor Safeco fund into a corresponding Pioneer fund, shareholders
  who owned shares in the name of an omnibus account provider on that date
  that agrees with the fund to distinguish beneficial holders in the same
  manner, and retirement plans with assets invested in the predecessor Safeco
  fund on that date.

In addition, Class A shares may be purchased at net asset value through certain
mutual fund programs sponsored by qualified intermediaries, such as
broker-dealers and investment advisers. In each case, the intermediary has
entered into an agreement with Pioneer to include the Pioneer funds in their
program without the imposition of a sales charge. The intermediary provides
investors participating in the program with additional services, including
advisory, asset allocation, recordkeeping or other services. You


                                       41
<PAGE>

Sales charges

should ask your investment firm if it offers and you are eligible to
participate in such a mutual fund program and whether participation in the
program is consistent with your investment goals. The intermediaries sponsoring
or participating in these mutual fund programs also may offer their clients
other classes of shares of the funds and investors may receive different levels
of services or pay different fees depending upon the class of shares included
in the program. Investors should consider carefully any separate transaction
and other fees charged by these programs in connection with investing in each
available share class before selecting a share class. Such mutual fund programs
include certain self-directed brokerage services accounts held through
qualified intermediaries that may or may not charge participating investors
transaction fees.


CONTINGENT DEFERRED SALES CHARGES (CDSCS)


CLASS A SHARES
Purchases of Class A shares of $500,000 or more may be subject to a contingent
deferred sales charge upon redemption. A contingent deferred sales charge is
payable to the distributor 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. However, the contingent
deferred sales charge is waived for redemptions of Class A shares purchased by
an employer-sponsored retirement plan that has at least $500,000 in total plan
assets (or that has 1,000 or more eligible employees for plans with accounts
established with Pioneer on or before March 31, 2004).


CLASS C SHARES
You buy Class C shares at net asset value per share without paying an initial
sales charge. However, if you sell your Class C shares within one year of
purchase, upon redemption you will pay the distributor a contingent deferred
sales charge of 1% of the current market value or the original cost of the
shares you are selling, whichever is less.


PAYING THE CONTINGENT DEFERRED SALES CHARGE (CDSC)
Several rules apply for calculating CDSCs so that you pay the lowest possible
CDSC.
o The CDSC is calculated on the current market value or the original cost of
  the shares you are selling, whichever is less
o You do not pay a CDSC on reinvested dividends or distributions

                                       42
<PAGE>

o If you sell only some of your shares, the transfer agent will first sell your
  shares that are not subject to any CDSC and then the shares that you have
  owned the longest
o You may qualify for a waiver of the CDSC normally charged. See "Waiver or
  reduction of contingent deferred sales charges"


WAIVER OR REDUCTION OF CONTINGENT DEFERRED SALES CHARGES
It is your responsibility to confirm that your investment professional has
notified the distributor of your eligibility for a reduced sales charge at the
time of sale. If you or your investment professional do not notify the
distributor of your eligibility, you will risk losing the benefits of a reduced
sales charge.

The distributor may waive or reduce the CDSC for Class A shares that are
subject to a CDSC or for Class C shares if:
o The distribution results from the death of all registered account owners or a
  participant in an employer-sponsored plan. For UGMAs, UTMAs and trust
  accounts, the waiver applies only upon the death of all beneficial owners;
o You become disabled (within the meaning of Section 72 of the Internal Revenue
  Code) after the purchase of the shares being sold. For UGMAs, UTMAs and
  trust accounts, the waiver only applies upon the disability of all
  beneficial owners;
o The distribution is made in connection with limited automatic redemptions as
  described 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);
o The distribution is from any type of IRA, 403(b) or employer-sponsored plan
  described under Section 401(a) or 457 of the Internal Revenue Code and, in
  connection with the distribution, one of the following applies:
  - It is part of a series of substantially equal periodic 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);
  - It is a required minimum distribution due to the attainment of age 70 1/2,
    in which case the distribution amount may exceed 10% (based solely on
    total plan assets held in Pioneer mutual funds);
  - It is rolled over to or reinvested in another Pioneer mutual fund in the
    same class of shares, which will be subject to the CDSC of the shares
    originally held; or


                                       43
<PAGE>

Sales charges

  - It is in the form of a loan to a participant in a plan that permits loans
    (each repayment applied to the purchase of shares will be subject to a
    CDSC as though a new purchase);
o The distribution is to a participant in an employer-sponsored retirement plan
  described under Section 401(a) of the Internal Revenue Code or to a
  participant in an employer-sponsored 403(b) plan or employer-sponsored 457
  plan if (i) your employer has made special arrangements for your plan to
  operate as a group through a single broker, dealer or financial intermediary
  and (ii) all participants in the plan who purchase shares of a Pioneer
  mutual fund do so through a single broker, dealer or other financial
  intermediary designated by your employer and is or is in connection with:
  - A return of excess employee deferrals or contributions;
  - A qualifying hardship distribution as described in the Internal Revenue
    Code;
  - Due to retirement or termination of employment;
  - From a qualified defined contribution plan and represents a participant's
    directed transfer, provided that this privilege has been preauthorized
    through a prior agreement with the distributor regarding participant
    directed transfers;
o The distribution is made pursuant to the fund's right to liquidate or
  involuntarily redeem shares in a shareholder's account;
o The distribution is made to pay an account's advisory or custodial fees; or
o The distributor does not pay the selling broker a commission normally paid at
  the time of the sale.

Please see the fund's statement of additional information for more information
regarding reduced sales charges and breakpoints.


The availability of certain sales charge waivers and discounts may depend on
whether you purchase your shares directly from the fund or through a financial
intermediary. Please see the "Intermediary defined sales charge waiver
policies" section for more information.



                                       44
<PAGE>

Buying, exchanging and selling shares

OPENING YOUR ACCOUNT
You may open an account by completing an account application and sending it to
the fund by mail or by fax. Please call the fund to obtain an account
application. Certain types of accounts, such as retirement accounts, have
separate applications.

Use your account application to select options and privileges for your account.
You can change your selections at any time by sending a completed account
options form to the fund. You may be required to obtain a signature guarantee
to make certain changes to an existing account.

Call or write to the fund for account applications, account options forms and
other account information:

PIONEER FUNDS
P.O. Box 55014
Boston, Massachusetts 02205-5014
Telephone 1-800-225-6292

Please note that there may be a delay in receipt by the fund's transfer agent
of applications submitted by regular mail to a post office address.

Each fund is generally available for purchase in the United States, Puerto
Rico, Guam, American Samoa and the U.S. Virgin Islands. Except to the extent
otherwise permitted by the funds' distributor, the funds will only accept
accounts from U.S. citizens with a U.S. address (including an APO or FPO
address) or resident aliens with a U.S. address (including an APO or FPO
address) and a U.S. taxpayer identification number.


IDENTITY VERIFICATION
To help the government fight the funding of terrorism and money laundering
activities, federal law requires all financial institutions to obtain, verify
and record information that identifies each person who opens an account. When
you open an account, you will need to supply your name, address, date of birth,
and other information that will allow the fund to identify you.

The fund may close your account if we cannot adequately verify your identity.
The redemption price will be the net asset value on the date of redemption.


INVESTING THROUGH FINANCIAL INTERMEDIARIES AND RETIREMENT PLANS
If you invest in the fund through your financial intermediary or through a
retirement plan, the options and services available to you may be different
from those discussed in this prospectus. Shareholders investing through


                                       45
<PAGE>

Buying, exchanging and selling shares

financial intermediaries, programs sponsored by financial intermediaries and
retirement plans may only purchase funds and classes of shares that are
available. When you invest through an account that is not in your name, you
generally may buy and sell shares and complete other transactions only through
the account. Ask your investment professional or financial intermediary for
more information.

Additional conditions may apply to your investment in the fund, and the
investment professional or intermediary may charge you a transaction-based,
administrative or other fee for its services. These conditions and fees are in
addition to those imposed by the fund and its affiliates. You should ask your
investment professional or financial intermediary about its services and any
applicable fees.


SHARE PRICES FOR TRANSACTIONS
If you place an order to purchase, exchange or sell shares that is received in
good order by the fund's transfer agent or an authorized agent by the close of
regular trading on the New York Stock Exchange (usually 4:00 p.m. Eastern
time), the share price for your transaction will be based on the net asset
value determined as of the scheduled close of regular trading on the New York
Stock Exchange on that day (plus or minus any applicable sales charges). If
your order is received by the fund's transfer agent or an authorized agent
after the scheduled close of regular trading on the New York Stock Exchange, or
your order is not in good order, the share price will be based on the net asset
value next determined after your order is received in good order by the fund or
authorized agent. The authorized agent is responsible for transmitting your
order to the fund in a timely manner.


GOOD ORDER MEANS THAT:
o You have provided adequate instructions
o There are no outstanding claims against your account
o There are no transaction limitations on your account
o Your request includes a signature guarantee if you:
  - Are selling over $100,000 or exchanging over $500,000 worth of shares
  - Changed your account registration or address within the last 30 days
  - Instruct the transfer agent to mail the check to an address different from
    the one on your account
  - Want the check paid to someone other than the account's record owner(s)
  - Are transferring the sale proceeds to a Pioneer mutual fund account with a
    different registration


                                       46
<PAGE>

TRANSACTION LIMITATIONS
Your transactions are subject to certain limitations, including the limitation
on the purchase of the fund's shares within 30 calendar days of a redemption.
See "Excessive trading."


BUYING
You may buy fund shares from any financial intermediary that has a sales
agreement or other arrangement with the distributor.

You can buy shares at net asset value per share plus any applicable sales
charge. The distributor may reject any order until it has confirmed the order
in writing and received payment. Normally, your financial intermediary will
send your purchase request to the fund's transfer agent. CONSULT YOUR
INVESTMENT PROFESSIONAL FOR MORE INFORMATION. Your investment firm receives a
commission from the distributor, and may receive additional compensation from
Pioneer, for your purchase of fund shares.


MINIMUM INVESTMENT AMOUNTS



CLASS A, CLASS C AND CLASS T SHARES
Your initial investment must be at least $1,000. Additional investments must be
at least $100 for Class A and Class T shares and $500 for Class C shares.


You may qualify for lower initial or subsequent investment minimums if you are
opening a retirement plan account, establishing an automatic investment plan or
placing your trade through your investment firm. The fund may waive the initial
or subsequent investment minimums. Minimum investment amounts may be waived
for, among other things, share purchases made through certain mutual fund
programs (e.g., asset based fee program accounts) sponsored by qualified
intermediaries, such as broker-dealers and investment advisers, that have
entered into an agreement with Pioneer.


CLASS R SHARES
There is no minimum investment amount for Class R shares, although investments
are subject to the fund's policies regarding small accounts.


                                       47
<PAGE>

Buying, exchanging and selling shares

CLASS Y SHARES
Your initial investment in Class Y shares must be at least $5 million. This
amount may be invested in one or more of the Pioneer mutual funds that
currently offer Class Y shares. There is no minimum additional investment
amount. The fund may waive the initial investment amount.


WAIVERS OF THE MINIMUM INVESTMENT AMOUNT FOR CLASS Y
The fund will accept an initial investment of less than $5 million if:

(a)        The investment is made by a trust company or bank trust department
           which is initially investing at least $1 million in any of the
           Pioneer mutual funds and, at the time of the purchase, such assets
           are held in a fiduciary, advisory, custodial or similar capacity
           over which the trust company or bank trust department has full or
           shared investment discretion; or

(b)        The investment is at least $1 million in any of the Pioneer mutual
           funds and the purchaser is an insurance company separate account; or

(c)        The account is not represented by a broker-dealer and the investment
           is made by (1) an ERISA-qualified retirement plan that meets the
           requirements of Section 401 of the Internal Revenue Code, (2) an
           employer-sponsored retirement plan that meets the requirements of
           Sections 403 or 457 of the Internal Revenue Code, (3) a private
           foundation that meets the requirements of Section 501(c)(3) of the
           Internal Revenue Code or (4) an endowment or other organization that
           meets the requirements of Section 509(a)(1) of the Internal Revenue
           Code; or

(d)        The investment is made by an employer-sponsored retirement plan
           established for the benefit of (1) employees of Pioneer or its
           affiliates, or (2) employees or the affiliates of broker-dealers who
           have a Class Y shares sales agreement with the distributor; or

(e)        The investment is made through certain mutual fund programs
           sponsored by qualified intermediaries, such as broker-dealers and
           investment advisers. In each case, the intermediary has entered into
           an agreement with Pioneer to include Class Y shares of the Pioneer
           mutual funds in their program. The intermediary provides investors
           participating in the program with additional services, including
           advisory, asset allocation, recordkeeping or other services. You
           should ask your investment firm if it offers and you are eligible to
           participate in such a mutual fund program and whether participation
           in the program is consistent with your investment goals. The
           intermediaries sponsoring or participating


                                       48
<PAGE>

    in these mutual fund programs may also offer their clients other classes
    of shares of the funds and investors may receive different levels of
    services or pay different fees depending upon the class of shares included
    in the program. Investors should consider carefully any separate
    transaction and other fees charged by these programs in connection with
    investing in each available share class before selecting a share class; or

(f)        The investment is made by another Pioneer fund.

The fund reserves the right to waive the initial investment minimum in other
circumstances.


MAXIMUM PURCHASE AMOUNTS

Purchases of fund shares are limited to $499,999 for Class C shares. This limit
is applied on a per transaction basis. Class A, Class R, Class T and Class Y
shares are not subject to a maximum purchase amount.



RETIREMENT PLAN ACCOUNTS
You can purchase fund shares through tax-deferred retirement plans for
individuals, businesses and tax-exempt organizations.

Your initial investment for most types of retirement plan accounts must be at
least $250. Additional investments for most types of retirement plans must be
at least $100.

You may not use the account application accompanying this prospectus to
establish a Pioneer retirement plan. You can obtain retirement plan
applications from your investment firm or by calling the Retirement Plans
Department at 1-800-622-0176.


HOW TO BUY SHARES


THROUGH YOUR INVESTMENT FIRM
Normally, your investment firm will send your purchase request to the fund's
distributor and/or transfer agent. CONSULT YOUR INVESTMENT PROFESSIONAL FOR
MORE INFORMATION. Your investment firm receives a commission from the
distributor, and may receive additional compensation from Pioneer, for your
purchase of fund shares.


                                       49
<PAGE>

Buying, exchanging and selling shares

BY PHONE OR ONLINE
YOU CAN USE THE TELEPHONE OR ONLINE PURCHASE PRIVILEGE IF you have an existing
non-retirement account. Certain IRAs can use the telephone purchase privilege.
If your account is eligible, you can purchase additional fund shares by phone
or online if:
o You established your bank account of record at least 30 days ago
o Your bank information has not changed for at least 30 days
o You are not purchasing more than $100,000 worth of shares per account per day
o You can provide the proper account identification information

When you request a telephone or online purchase, the fund's transfer agent will
electronically debit the amount of the purchase from your bank account of
record. The fund's transfer agent will purchase fund shares for the amount of
the debit at the offering price determined after the fund's transfer agent
receives your telephone or online purchase instruction and good funds. It
usually takes three business days for the fund's transfer agent to receive
notification from your bank that good funds are available in the amount of your
investment.


IN WRITING, BY MAIL
You can purchase fund shares for an existing fund account by MAILING A CHECK TO
THE FUND. Make your check payable to the fund. Neither initial nor subsequent
investments should be made by third party check, travelers check, or credit
card check. Your check must be in U.S. dollars and drawn on a U.S. bank.
Include in your purchase request the fund's name, the account number and the
name or names in the account registration. Please note that there may be a
delay in receipt by the fund's transfer agent of purchase orders submitted by
regular mail to a post office address.


BY WIRE (CLASS Y SHARES ONLY)
If you have an existing (Class Y shares only) account, you may wire funds to
purchase shares. Note, however, that:
o State Street Bank must receive your wire no later than 11:00 a.m. Eastern
  time on the business day after the fund receives your request to purchase
  shares
o If State Street Bank does not receive your wire by 11:00 a.m. Eastern time on
  the next business day, your transaction will be canceled at your expense and
  risk
o Wire transfers normally take two or more hours to complete and a fee may be
  charged by the sending bank


                                       50
<PAGE>

o Wire transfers may be restricted on holidays and at certain other times


INSTRUCT YOUR BANK TO WIRE FUNDS TO:


<TABLE>
<S>                      <C>
Receiving Bank:          State Street Bank and Trust Company
                         225 Franklin Street
                         Boston, MA 02101
                         ABA Routing No. 011000028
For further credit to:   Shareholder Name
                         Existing Pioneer Account No.
                         Pioneer Fund
</TABLE>

The fund's transfer agent must receive your account application before you send
your initial check or federal funds wire. In addition, you must provide a bank
wire address of record when you establish your account.


EXCHANGING

You may, under certain circumstances, exchange your shares for shares of the
same class of another Pioneer mutual fund. The exchange privilege does not
apply to Class T shares.


Your exchange request must be for at least $1,000. The fund allows you to
exchange your shares at net asset value without charging you either an initial
or contingent deferred sales charge at the time of the exchange. Shares you
acquire as part of an exchange will continue to be subject to any contingent
deferred sales charge that applies to the shares you originally purchased. When
you ultimately sell your shares, the date of your original purchase will
determine your contingent deferred sales charge.

Before you request an exchange, consider each fund's investment objective and
policies as described in the fund's prospectus. You generally will have to pay
income taxes on an exchange.


SAME-FUND EXCHANGE PRIVILEGE

Certain shareholders may be eligible to exchange their shares for shares of
another class. If eligible, no sales charges or other charges will apply to any
such exchange. Generally, shareholders will not recognize a gain or loss for
federal income tax purposes upon such an exchange. Investors should contact
their financial intermediary to learn more about the details of this privilege.



                                       51
<PAGE>

Buying, exchanging and selling shares

HOW TO EXCHANGE SHARES


THROUGH YOUR INVESTMENT FIRM

Normally, your investment firm will send your exchange request to the fund's
transfer agent. CONSULT YOUR INVESTMENT PROFESSIONAL FOR MORE INFORMATION ABOUT
EXCHANGING YOUR SHARES. The exchange privilege does not apply to Class T
shares.



BY PHONE OR ONLINE
After you establish an eligible fund account, YOU CAN EXCHANGE FUND SHARES BY
PHONE OR ONLINE IF:
o You are exchanging into an existing account or using the exchange to
  establish a new account, provided the new account has a registration
  identical to the original account
o The fund into which you are exchanging offers the same class of shares
o You are not exchanging more than $500,000 worth of shares per account per day
o You can provide the proper account identification information


IN WRITING, BY MAIL OR BY FAX
You can exchange fund shares by MAILING OR FAXING A LETTER OF INSTRUCTION TO
THE FUND. You can exchange fund shares directly through the fund only if your
account is registered in your name. However, you may not fax an exchange
request for more than $500,000. Include in your letter:
o The name and signature of all registered owners
o A signature guarantee for each registered owner if the amount of the exchange
  is more than $500,000
o The name of the fund out of which you are exchanging and the name of the fund
  into which you are exchanging
o The class of shares you are exchanging
o The dollar amount or number of shares you are exchanging

Please note that there may be a delay in receipt by the fund's transfer agent
of exchange requests submitted by regular mail to a post office address.


SELLING
Your shares will be sold at the share price (net asset value less any
applicable sales charge) next calculated after the fund or its authorized
agent, such as a broker-dealer, receives your request in good order. If a
signature guarantee is required, you must submit your request in writing.


                                       52
<PAGE>

If the shares you are selling are subject to a deferred sales charge, it will
be deducted from the sale proceeds. The fund generally will send your sale
proceeds by check, bank wire or electronic funds transfer. Normally you will be
paid within seven days. If you recently sent a check to purchase the shares
being sold, the fund may delay payment of the sale proceeds until your check
has cleared. This may take up to 10 calendar days from the purchase date.

If you are selling shares from a non-retirement account or certain IRAs, you
may use any of the methods described below. If you are selling shares from a
retirement account other than an IRA, you must make your request in writing.

You generally will have to pay income taxes on a sale.

If you must use a written request to exchange or sell your shares and your
account is registered in the name of a corporation or other fiduciary you must
include the name of an authorized person and a certified copy of a current
corporate resolution, certificate of incumbency or similar legal document
showing that the named individual is authorized to act on behalf of the record
owner.


HOW TO SELL SHARES


THROUGH YOUR INVESTMENT FIRM
Normally, your investment firm will send your request to sell shares to the
fund's transfer agent. CONSULT YOUR INVESTMENT PROFESSIONAL FOR MORE
INFORMATION. The fund has authorized the distributor to act as its agent in the
repurchase of fund shares from qualified investment firms. The fund reserves
the right to terminate this procedure at any time.


BY PHONE OR ONLINE
IF YOU HAVE AN ELIGIBLE NON-RETIREMENT ACCOUNT, YOU MAY SELL UP TO $100,000 PER
ACCOUNT PER DAY BY PHONE OR ONLINE. You may sell fund shares held in a
retirement plan account by phone only if your account is an eligible IRA (tax
penalties may apply). You may not sell your shares by phone or online if you
have changed your address (for checks) or your bank information (for wires and
transfers) in the last 30 days.

You may receive your sale proceeds:
o By check, provided the check is made payable exactly as your account is
  registered


                                       53
<PAGE>

Buying, exchanging and selling shares

o By bank wire or by electronic funds transfer, provided the sale proceeds are
  being sent to your bank address of record

For Class Y shares, shareholders may sell up to $5 million per account per day
if the proceeds are directed to your bank account of record ($100,000 per
account per day if the proceeds are not directed to your bank account of
record).


IN WRITING, BY MAIL OR BY FAX
You can sell some or all of your fund shares by WRITING DIRECTLY TO THE FUND
only if your account is registered in your name. Include in your request your
name, the fund's name, your fund account number, the class of shares to be
sold, the dollar amount or number of shares to be sold and any other applicable
requirements as described below. The fund's transfer agent will send the sale
proceeds to your address of record unless you provide other instructions. Your
request must be signed by all registered owners and be in good order.

The fund's transfer agent will not process your request until it is received in
good order.

You may sell up to $100,000 per account per day by fax.

Please note that there may be a delay in receipt by the fund's transfer agent
of redemption requests submitted by regular mail to a post office address.


HOW TO CONTACT US


BY PHONE
For information or to request a telephone transaction between 8:00 a.m. and
7:00 p.m. (Eastern time) by speaking with a shareholder services
representative call
1-800-225-6292

To request a transaction using FactFone/SM/ call
1-800-225-4321


BY MAIL
Send your written instructions to:
PIONEER FUNDS
P.O. Box 55014
Boston, Massachusetts 02205-5014

                                       54
<PAGE>

PIONEER WEBSITE
us.pioneerinvestments.com


BY FAX
Fax your exchange and sale requests to:
1-800-225-4240


                                       55
<PAGE>

Account options

See the account application form for more details on each of the following
services or call the fund for details and availability.


TELEPHONE TRANSACTION PRIVILEGES
If your account is registered in your name, you can buy, exchange or sell fund
shares by telephone. If you do not want your account to have telephone
transaction privileges, you must indicate that choice on your account
application or by writing to the fund.

When you request a telephone transaction the fund's transfer agent will try to
confirm that the request is genuine. The transfer agent records the call,
requires the caller to provide validating information for the account and sends
you a written confirmation. The fund may implement other confirmation
procedures from time to time. Different procedures may apply if you have a
non-U.S. account or if your account is registered in the name of an
institution, broker-dealer or other third party. If the fund's confirmation
procedures are followed, neither the fund nor its agents will bear any
liability for these transactions.


ONLINE TRANSACTION PRIVILEGES
If your account is registered in your name, you may be able to buy, exchange or
sell fund shares online. Your investment firm may also be able to buy, exchange
or sell your fund shares online.

To establish online transaction privileges:
o For new accounts, complete the online section of the account application
o For existing accounts, complete an account options form, write to the
  fund or complete the online authorization screen at
  us.pioneerinvestments.com

To use online transactions, you must read and agree to the terms of an online
transaction agreement available on the Pioneer website. When you or your
investment firm requests an online transaction, the fund's transfer agent
electronically records the transaction, requires an authorizing password and
sends a written confirmation. The fund may implement other procedures from time
to time. Different procedures may apply if you have a non-U.S. account or if
your account is registered in the name of an institution, broker-dealer or
other third party. You may not be able to use the online transaction privilege
for certain types of accounts, including most retirement accounts.


                                       56
<PAGE>

AUTOMATIC INVESTMENT PLANS
You can make regular periodic investments in the fund by setting up monthly
bank drafts, government allotments, payroll deductions, a Pioneer Investomatic
Plan and other similar automatic investment plans. Automatic investments may be
made only through U.S. banks. You may use an automatic investment plan to
establish a Class A share account with a small initial investment. If you have
a Class C or Class R share account and your balance is at least $1,000, you may
establish an automatic investment plan.


PIONEER INVESTOMATIC PLAN
If you establish a Pioneer Investomatic Plan, the fund's transfer agent will
make a periodic investment in fund shares by means of a preauthorized
electronic funds transfer from your bank account. Your plan investments are
voluntary. You may discontinue your plan at any time or change the plan's
dollar amount, frequency or investment date by calling or writing to the fund's
transfer agent. You should allow up to 30 days for the fund's transfer agent to
establish your plan.


AUTOMATIC EXCHANGES
You can automatically exchange your fund shares for shares of the same class of
another Pioneer mutual fund. The automatic exchange will begin on the day you
select when you complete the appropriate section of your account application or
an account options form. In order to establish automatic exchange:
o You must select exchanges on a monthly or quarterly basis
o Both the originating and receiving accounts must have identical registrations
o The originating account must have a minimum balance of $5,000

You may have to pay income taxes on an exchange.


The exchange privilege does not apply to Class T shares.



DISTRIBUTION OPTIONS
The fund offers three distribution options. Any fund shares you buy by
reinvesting distributions will be priced at the applicable net asset value per
share.

(1)   Unless you indicate another option on your account application, any
      dividends and capital gain distributions paid to you by the fund will
      automatically be invested in additional fund shares.


                                       57
<PAGE>

Account options

(2)   You may elect to have the amount of any dividends paid to you in cash and
      any capital gain distributions reinvested in additional shares.

(3)   You may elect to have the full amount of any dividends and/or capital
      gain distributions paid to you in cash.

Options (2) and (3) are not available to retirement plan accounts or accounts
with a current value of less than $500.

If you are under 59 1/2, taxes and tax penalties may apply.

If your distribution check is returned to the fund's transfer agent or you do
not cash the check for six months or more, the fund's transfer agent may
reinvest the amount of the check in your account and automatically change the
distribution option on your account to option (1) until you request a different
option in writing. If the amount of a distribution check would be less than
$25, the fund may reinvest the amount in additional shares of the fund instead
of sending a check. Additional shares of the fund will be purchased at the
then-current net asset value.


DIRECTED DIVIDENDS

You can invest the dividends paid by one of your Pioneer mutual fund accounts
in a second Pioneer mutual fund account. The value of your second account must
be at least $1,000. You may direct the investment of any amount of dividends.
There are no fees or charges for directed dividends. If you have a retirement
plan account, you may only direct dividends to accounts with identical
registrations. Directed dividends do not apply to Class T shares.



SYSTEMATIC WITHDRAWAL PLANS
When you establish a systematic withdrawal plan for your account, the transfer
agent will sell the number of fund shares you specify on a periodic basis and
the proceeds will be paid to you or to any person you select. You must obtain a
signature guarantee to direct payments to another person after you have
established your systematic withdrawal plan. Payments can be made either by
check or by electronic transfer to a U.S. bank account you designate.

To establish a systematic withdrawal plan:
o Your account must have a total value of at least $10,000 when you establish
  your plan


                                       58
<PAGE>

o You may not request a periodic withdrawal of more than 10% of the value of
  any Class C or Class R share account (valued at the time the plan is
  implemented)

These requirements do not apply to scheduled (Internal Revenue Code Section
72(t) election) or mandatory (required minimum distribution) withdrawals from
IRAs and certain retirement plans.

Systematic sales of fund shares may be taxable transactions for you. While you
are making systematic withdrawals from your account, you may pay unnecessary
initial sales charges on additional purchases of Class A shares or contingent
deferred sales charges.


DIRECT DEPOSIT
If you elect to take dividends or dividends and capital gain distributions in
cash, or if you establish a systematic withdrawal plan, you may choose to have
those cash payments deposited directly into your savings, checking or NOW bank
account.


VOLUNTARY TAX WITHHOLDING
You may have the fund's transfer agent withhold 28% of the dividends and
capital gain distributions paid from your fund account (before any
reinvestment) and forward the amount withheld to the Internal Revenue Service
as a credit against your federal income taxes. Voluntary tax withholding is not
available for retirement plan accounts or for accounts subject to backup
withholding.


                                       59
<PAGE>

Shareholder services and policies

EXCESSIVE TRADING
Frequent trading into and out of the fund can disrupt portfolio management
strategies, harm fund performance by forcing the fund to hold excess cash or to
liquidate certain portfolio securities prematurely and increase expenses for
all investors, including long-term investors who do not generate these costs.
An investor may use short-term trading as a strategy, for example, if the
investor believes that the valuation of the fund's portfolio securities for
purposes of calculating its net asset value does not fully reflect the
then-current fair market value of those holdings. The fund discourages, and
does not take any intentional action to accommodate, excessive and short-term
trading practices, such as market timing. Although there is no generally
applied standard in the marketplace as to what level of trading activity is
excessive, we may consider trading in the fund's shares to be excessive for a
variety of reasons, such as if:
o You sell shares within a short period of time after the shares were
  purchased;
o You make two or more purchases and redemptions within a short period of time;
o You enter into a series of transactions that indicate a timing pattern or
  strategy; or
o We reasonably believe that you have engaged in such practices in connection
  with other mutual funds.

The fund's Board of Trustees has adopted policies and procedures with respect
to frequent purchases and redemptions of fund shares by fund investors.
Pursuant to these policies and procedures, we monitor selected trades on a
daily basis in an effort to detect excessive short-term trading. If we
determine that an investor or a client of a broker or other intermediary has
engaged in excessive short-term trading that we believe may be harmful to the
fund, we will ask the investor, broker or other intermediary to cease such
activity and we will refuse to process purchase orders (including purchases by
exchange) of such investor, broker, other intermediary or accounts that we
believe are under their control. In determining whether to take such actions,
we seek to act in a manner that is consistent with the best interests of the
fund's shareholders.

While we use our reasonable efforts to detect excessive trading activity, there
can be no assurance that our efforts will be successful or that market timers
will not employ tactics designed to evade detection. If we are not successful,
your return from an investment in the fund may be adversely affected.
Frequently, fund shares are held through omnibus accounts maintained by
financial intermediaries such as brokers and retirement plan administrators,


                                       60
<PAGE>

where the holdings of multiple shareholders, such as all the clients of a
particular broker or other intermediary, are aggregated. Our ability to monitor
trading practices by investors purchasing shares through omnibus accounts may
be limited and dependent upon the cooperation of the broker or other
intermediary in taking steps to limit this type of activity.

The fund may reject a purchase or exchange order before its acceptance or the
issuance of shares. The fund may also restrict additional purchases or
exchanges in an account. Each of these steps may be taken for any transaction,
for any reason, without prior notice, including transactions that the fund
believes are requested on behalf of market timers. The fund reserves the right
to reject any purchase or exchange request by any investor or financial
institution if the fund believes that any combination of trading activity in
the account or related accounts is potentially disruptive to the fund. A
prospective investor whose purchase or exchange order is rejected will not
achieve the investment results, whether gain or loss, that would have been
realized if the order had been accepted and an investment made in the fund. A
fund and its shareholders do not incur any gain or loss as a result of a
rejected order. The fund may impose further restrictions on trading activities
by market timers in the future.

To limit the negative effects of excessive trading on the fund, the fund has
adopted the following restriction on investor transactions. If an investor
redeems $5,000 or more (including redemptions that are a part of an exchange
transaction) from the fund, that investor shall be prevented (or "blocked")
from purchasing shares of the fund (including purchases that are a part of an
exchange transaction) for 30 calendar days after the redemption. This policy
does not apply to systematic purchase or withdrawal plan transactions,
transactions made through employer-sponsored retirement plans described under
Section 401(a), 403(b) or 457 of the Internal Revenue Code or employee benefit
plans, scheduled (Internal Revenue Code Section 72(t) election) or mandatory
(required minimum distribution) withdrawals from IRAs, rebalancing transactions
made through certain asset allocation or "wrap" programs, transactions by
insurance company separate accounts or transactions by other funds that invest
in the fund. This policy does not apply to purchase or redemption transactions
of less than $5,000 or to Pioneer U.S. Government Money Market Fund or Pioneer
Multi-Asset Ultrashort Income Fund.


                                       61
<PAGE>

Shareholder services and policies

We rely on financial intermediaries that maintain omnibus accounts to apply to
their customers either the fund's policy described above or their own policies
or restrictions designed to limit excessive trading of fund shares. However, we
do not impose this policy at the omnibus account level.

Purchases pursuant to the reinstatement privilege (for Class A shares) are
subject to this policy.


PURCHASES IN KIND
You may use securities you own to purchase shares of the fund provided that
Pioneer, in its sole discretion, determines that the securities are consistent
with the fund's objectives and policies and their acquisition is in the best
interests of the fund. If the fund accepts your securities, they will be valued
for purposes of determining the number of fund shares to be issued to you in
the same way the fund will value the securities for purposes of determining its
net asset value. For federal income tax purposes, you may be taxed in the same
manner as if you sold the securities that you use to purchase fund shares for
cash in an amount equal to the value of the fund shares that you purchase. Your
broker may also impose a fee in connection with processing your purchase of
fund shares with securities.


REINSTATEMENT PRIVILEGE (CLASS A SHARES)
If you recently sold all or part of your Class A shares, you may be able to
reinvest all or part of your sale proceeds without a sales charge in Class A
shares of any Pioneer mutual fund. To qualify for reinstatement:
o You must send a written request to the fund no more than 90 days after
  selling your shares and
o The registration of the account in which you reinvest your sale proceeds must
  be identical to the registration of the account from which you sold your
  shares.

Purchases pursuant to the reinstatement privilege are subject to limitations on
investor transactions, including the limitation on the purchase of the fund's
shares within 30 calendar days of redemption. See "Excessive trading."

When you elect reinstatement, you are subject to the provisions outlined in the
selected fund's prospectus, including the fund's minimum investment
requirement. Your sale proceeds will be reinvested in shares of the fund at the
Class A net asset value per share determined after the fund receives your
written request for reinstatement. You may realize a gain or loss for


                                       62
<PAGE>

federal income tax purposes as a result of your sale of fund shares, and
special tax rules may apply if you elect reinstatement. Consult your tax
adviser for more information.


PIONEER WEBSITE
US.PIONEERINVESTMENTS.COM
The website includes a full selection of information on mutual fund investing.
You can also use the website to get:
o Your current account information
o Prices, returns and yields of all publicly available Pioneer mutual funds
o Prospectuses, statements of additional information and shareowner reports for
  all the Pioneer mutual funds
o A copy of Pioneer's privacy notice

If you or your investment firm authorized your account for the online
transaction privilege, you may buy, exchange and sell shares online.


FACTFONE/SM/ 1-800-225-4321
You can use FactFone/SM/ to:
o Obtain current information on your Pioneer mutual fund accounts
o Inquire about the prices of all publicly available Pioneer mutual funds
o Make computer-assisted telephone purchases, exchanges and redemptions for
  your fund accounts
o Request account statements

If you plan to use FactFone/SM/ to make telephone purchases and redemptions,
first you must activate your personal identification number and establish your
bank account of record. If your account is registered in the name of a
broker-dealer or other third party, you may not be able to use FactFone/SM/.

If your account is registered in the name of a broker-dealer or other third
party, you may not be able to use FactFone/SM/ to obtain account information.


HOUSEHOLD DELIVERY OF FUND DOCUMENTS
With your consent, Pioneer may send a single proxy statement, prospectus and
shareowner report to your residence for you and any other member of your
household who has an account with the fund. If you wish to revoke your consent
to this practice, you may do so by notifying Pioneer, by phone or in writing
(see "How to contact us"). Pioneer will begin mailing separate proxy
statements, prospectuses and shareowner reports to you within 30 days after
receiving your notice.


                                       63
<PAGE>

Shareholder services and policies

CONFIRMATION STATEMENTS
The fund's transfer agent maintains an account for each investment firm or
individual shareowner and records all account transactions. You will be sent
confirmation statements showing the details of your transactions as they occur,
except automatic investment plan transactions, which are confirmed quarterly.
If you have more than one Pioneer mutual fund account registered in your name,
the Pioneer combined account statement will be mailed to you each quarter.


TAX INFORMATION
Early each year, the fund will mail you information about the tax status of the
dividends and distributions paid to you by the fund.


TAX INFORMATION FOR IRA ROLLOVERS
In January (or by the applicable Internal Revenue Service deadline) following
the year in which you take a reportable distribution, the fund's transfer agent
will mail you a tax form reflecting the total amount(s) of distribution(s)
received by the end of January.


PRIVACY
The fund has a policy designed to protect the privacy of your personal
information. A copy of Pioneer's privacy notice was given to you at the time
you opened your account. The fund will send you a copy of the privacy notice
each year. You may also obtain the privacy notice by calling the fund or
through Pioneer's website.


SIGNATURE GUARANTEES AND OTHER REQUIREMENTS
You are required to obtain a signature guarantee when:
o Requesting certain types of exchanges or sales of fund shares
o Requesting certain types of changes for your existing account

You can obtain a signature guarantee from most broker-dealers, banks, credit
unions (if authorized under state law) and federal savings and loan
associations. You cannot obtain a signature guarantee from a notary public.

The Pioneer funds generally accept only medallion signature guarantees. A
medallion signature guarantee may be obtained from a domestic bank or trust
company, broker, dealer, clearing agency, savings association, or other
financial institution that is participating in a medallion program recognized
by the Securities Transfer Association. Signature guarantees from financial


                                       64
<PAGE>

institutions that are not participating in one of these programs are not
accepted as medallion signature guarantees. The fund may accept other forms of
guarantee from financial intermediaries in limited circumstances.

Fiduciaries and corporations are required to submit additional documents to
sell fund shares.


MINIMUM ACCOUNT SIZE
The fund requires that you maintain a minimum account value of $500. If you
hold less than $500 in your account, the fund reserves the right to notify you
that it intends to sell your shares and close your account. You will be given
60 days from the date of the notice to make additional investments to avoid
having your shares sold. This policy does not apply to certain qualified
retirement plan accounts.


TELEPHONE AND WEBSITE ACCESS
You may have difficulty contacting the fund by telephone or accessing
us.pioneerinvestments.com during times of market volatility or disruption in
telephone or Internet service. On New York Stock Exchange holidays or on days
when the exchange closes early, Pioneer will adjust the hours for the telephone
center and for online transaction processing accordingly. If you are unable to
access us.pioneerinvestments.com or reach the fund by telephone, you should
communicate with the fund in writing.


SHARE CERTIFICATES
The fund does not offer share certificates. Shares are electronically recorded.


OTHER POLICIES
The fund and the distributor reserve the right to:
o reject any purchase or exchange order for any reason, without prior notice
o charge a fee for exchanges or to modify, limit or suspend the exchange
  privilege at any time without notice. The fund will provide 60 days' notice
  of material amendments to or termination of the exchange privilege
o revise, suspend, limit or terminate the account options or services available
  to shareowners at any time, except as required by the rules of the
  Securities and Exchange Commission

The fund reserves the right to:
o suspend or postpone transactions in shares on any day when trading on the New
  York Stock Exchange is closed or restricted, or when the Securities


                                       65
<PAGE>

Shareholder services and policies

  and Exchange Commission determines an emergency or other circumstances exist
  that make it impracticable for the fund to sell or value its portfolio
  securities, or otherwise as permitted by the rules of or by the order of the
  Securities and Exchange Commission

o redeem in kind, generally by delivering to you a proportionate share of the
  portfolio securities owned by the fund rather than cash. Securities you
  receive this way may increase or decrease in value while you hold them and
  you may incur brokerage and transaction charges and tax liability when you
  convert the securities to cash. The fund may redeem in kind at a
  shareholder's request or if, for example, the fund reasonably believes that
  a cash redemption would negatively affect the fund's operation or
  performance

o charge transfer, shareholder servicing or similar agent fees, such as an
  account maintenance fee for small balance accounts, directly to accounts
  upon at least 30 days' notice. The fund may do this by deducting the fee
  from your distribution of dividends and/or by redeeming fund shares to the
  extent necessary to cover the fee
o close your account after a period of inactivity, as determined by state law,
  and transfer your shares to the appropriate state


                                       66
<PAGE>

Dividends, capital gains and taxes

DIVIDENDS AND CAPITAL GAINS
The fund generally pays any distributions of net short- and long-term capital
gains in November.

The fund generally pays dividends from any net investment income quarterly
during March, June, September and December.

The fund may also pay dividends and capital gain distributions at other times
if necessary for the fund to avoid U.S. federal income or excise tax. If you
invest in the fund shortly before a dividend or other distribution, generally
you will pay a higher price per share and, unless you are exempt from tax, you
will pay taxes on the amount of the distribution whether you reinvest the
distribution in additional shares or receive it as cash.


TAXES
You will normally have to pay federal income taxes, and any state or local
taxes, on the dividends and other distributions you receive from the fund,
whether you take the distributions in cash or reinvest them in additional
shares. For U.S. federal income tax purposes, distributions from the fund's net
capital gains (if any) are considered long-term capital gains and are generally
taxable to noncorporate shareholders at rates of up to 20%. Distributions from
the fund's net short-term capital gains are generally taxable as ordinary
income. Other dividends are taxable either as ordinary income or, in general,
if paid from the fund's "qualified dividend income" and if certain conditions,
including holding period requirements, are met by the fund and the shareholder,
as qualified dividend income taxable to noncorporate shareholders at U.S.
federal income tax rates of up to 20%.

"Qualified dividend income" generally is income derived from dividends paid by
U.S. corporations or certain foreign corporations that are either incorporated
in a U.S. possession or eligible for tax benefits under certain U.S. income tax
treaties. In addition, dividends that the fund receives in respect of stock of
certain foreign corporations may be qualified dividend income if that stock is
readily tradable on an established U.S. securities market.

A portion of dividends received from the fund (but none of the fund's capital
gain distributions) may qualify for the dividends-received deduction for
corporations.

The fund will report to shareholders annually the U.S. federal income tax
status of all fund distributions.


                                       67
<PAGE>

Dividends, capital gains and taxes

If the fund declares a dividend in October, November or December, payable to
shareholders of record in such a month, and pays it in January of the following
year, you will be taxed on the dividend as if you received it in the year in
which it was declared.

Sales and exchanges generally will be taxable transactions to shareowners. When
you sell or exchange fund shares you will generally recognize a capital gain or
capital loss in an amount equal to the difference between the net amount of
sale proceeds (or, in the case of an exchange, the fair market value of the
shares) that you receive and your tax basis for the shares that you sell or
exchange.

A 3.8% Medicare contribution tax generally applies to all or a portion of the
net investment income of a shareholder who is an individual and not a
nonresident alien for federal income tax purposes and who has adjusted gross
income (subject to certain adjustments) that exceeds a threshold amount. This
3.8% tax also applies to all or a portion of the undistributed net investment
income of certain shareholders that are estates and trusts. For these purposes,
dividends, interest and certain capital gains are generally taken into account
in computing a shareholder's net investment income.

You must provide your social security number or other taxpayer identification
number to the fund along with the certifications required by the Internal
Revenue Service when you open an account. If you do not or if it is otherwise
legally required to do so, the fund will apply "backup withholding" tax on your
dividends and other distributions, sale proceeds and any other payments to you
that are subject to backup withholding. The backup withholding rate is 28%.

Shareholders that are exempt from U.S. federal income tax, such as retirement
plans that are qualified under Section 401 of the Internal Revenue Code,
generally are not subject to U.S. federal income tax on fund dividends or other
distributions or on sales or exchanges of fund shares. However, in the case of
fund shares held through a nonqualified deferred compensation plan, fund
dividends and other distributions received by the plan and sales and exchanges
of fund shares by the plan generally will be taxable to the employer sponsoring
such plan in accordance with U.S. federal income tax laws that are generally
applicable to shareholders receiving such dividends and other distributions
from regulated investment companies such as the fund, or effecting such sales
or exchanges.


                                       68
<PAGE>

Plan participants whose retirement plan invests in the fund generally are not
subject to federal income tax on fund dividends or other distributions received
by the plan or on sales or exchanges of fund shares by the plan. However,
distributions to plan participants from a retirement plan generally are taxable
to plan participants as ordinary income.

You should ask your tax adviser about any federal, state, local and foreign tax
considerations relating to an investment in the fund. You may also consult the
fund's statement of additional information for a more detailed discussion of
the U.S. federal income tax considerations that may affect the fund and its
shareowners.


                                       69
<PAGE>

Financial highlights

The financial highlights table helps you understand the fund's financial
performance for the past five years.

Certain information reflects financial results for a single fund share. The
total returns in the table represent the rate that you would have earned or
lost on an investment in Class A, Class C, Class R and Class Y shares of the
fund (assuming reinvestment of all dividends and distributions).


No financial information is presented for Class T shares because no Class T
shares were outstanding during the periods shown.

The information below for the fiscal years ended December 31, 2014 through
December 31, 2016 has been audited by Deloitte & Touche LLP, independent
registered public accounting firm, whose report is included in the fund's
annual report along with the fund's financial statements. The information below
for each of the periods ended on or prior to December 31, 2013 was audited by
another independent registered public accounting firm. The fund's annual report
is incorporated by reference in the statement of additional information and is
available upon request.



                                       70
<PAGE>

PIONEER FUND


CLASS A SHARES



<TABLE>
<CAPTION>
                                  YEAR               YEAR              YEAR            YEAR            YEAR
                                  ENDED              ENDED             ENDED           ENDED           ENDED
                                12/31/16           12/31/15          12/31/14        12/31/13        12/31/12
                            ----------------  ------------------  --------------  --------------  --------------
<S>                         <C>               <C>                 <C>             <C>             <C>
Net asset value, beginning
 of period                     $   31.92         $   36.67          $    39.18      $    32.45      $    38.62
                               ---------         ---------          ----------      ----------      ----------
Increase (decrease) from
 investment operations:
 Net investment income
   (loss)                      $    0.35(b)      $    0.31(b)       $     0.37      $     0.38      $     0.48
 Net realized and
   unrealized gain (loss)
   on investments                   2.56             (0.42)               3.90           10.22            3.14
                               ---------         ---------          ----------      ----------      ----------
   Net increase
    (decrease) from
    investment
    operations                 $    2.91         $   (0.11)         $     4.27      $    10.60      $     3.62
Distribution to
 shareowners:
 Net investment income         $   (0.34)        $   (0.30)         $    (0.36)     $    (0.38)     $    (0.49)
 Net realized gain                 (5.59)            (4.34)              (6.42)          (3.49)          (9.30)
                               ---------         ---------          ----------      ----------      ----------
Total distributions            $   (5.93)        $   (4.64)         $    (6.78)     $    (3.87)     $    (9.79)
                               ---------         ---------          ----------      ----------      ----------
Net increase (decrease) in
 net asset value               $   (3.02)        $   (4.75)         $    (2.51)     $     6.73      $    (6.17)
                               ---------         ---------          ----------      ----------      ----------
Net asset value, end of
 period                        $   28.90         $   31.92          $    36.67      $    39.18      $    32.45
                               ---------         ---------          ----------      ----------      ----------
Total return*                       9.60%            (0.43)%(c)          10.86%          33.06%           9.90%
Ratio of net expenses to
 average net assets(a)              0.98%             0.98%               0.96%           0.97%           1.01%
Ratio of net investment
 income (loss) to average
 net assets                         1.09%             0.86%               0.94%           1.02%           1.24%
Portfolio turnover rate               62%               50%                 25%              7%             41%
Net assets, end of period
 (in thousands)                $4,426,909        $4,402,310         $4,766,086      $4,642,106      $3,839,361
</TABLE>


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

(a)        Includes interest expense of 0.00%, 0.00%, 0.00%+, 0.00% and 0.00%,
           respectively.


(b)        The per-share data presented above is based on the average shares
           outstanding for the period presented.

(c)        If the Fund had not recognized gains in settlement of class action
           lawsuits during the year ended December 31, 2015, the total return
           would have been (0.46)%.

+     Amount rounds to less than 0.01%.


                                       71
<PAGE>

Financial highlights

PIONEER FUND


CLASS C SHARES



<TABLE>
<CAPTION>
                                        YEAR              YEAR             YEAR          YEAR          YEAR
                                        ENDED             ENDED            ENDED         ENDED        ENDED
                                      12/31/16          12/31/15         12/31/14      12/31/13      12/31/12
                                   --------------  ------------------  ------------  ------------  -----------
<S>                                <C>             <C>                 <C>           <C>           <C>
Net asset value, beginning of
 period                               $ 29.20         $   33.97          $  36.75      $  30.64     $  36.99
                                      -------         ---------          --------      --------     --------
Increase (decrease) from
 investment operations:
 Net investment income (loss)         $  0.09(b)      $    0.02(b)       $   0.06      $   0.09     $   0.17
 Net realized and unrealized gain
   (loss) on investments                 2.32             (0.39)             3.66          9.62         2.99
                                      -------         ---------          --------      --------     --------
   Net increase (decrease) from
    investment operations             $  2.41         $   (0.37)         $   3.72      $   9.71     $   3.16
Distribution to shareowners:
 Net investment income                $ (0.11)        $   (0.06)         $  (0.08)     $  (0.11)    $  (0.21)
 Net realized gain                      (5.59)            (4.34)            (6.42)        (3.49)       (9.30)
                                      -------         ---------          --------      --------     --------
Total distributions                   $ (5.70)        $   (4.40)         $  (6.50)     $  (3.60)    $  (9.51)
                                      -------         ---------          --------      --------     --------
Net increase (decrease) in net
 asset value                          $ (3.29)        $   (4.77)         $  (2.78)     $   6.11     $  (6.35)
                                      -------         ---------          --------      --------     --------
Net asset value, end of period        $ 25.91         $   29.20          $  33.97      $  36.75     $  30.64
                                      -------         ---------          --------      --------     --------
Total return*                            8.74%            (1.23)%(c)        10.04%        32.00%        9.06%
Ratio of net expenses to average
 net assets(a)                           1.77%             1.76%             1.73%         1.74%        1.80%
Ratio of net investment income
 (loss) to average net assets            0.30%             0.07%             0.16%         0.25%        0.45%
Portfolio turnover rate                    62%               50%               25%            7%          41%
Net assets, end of period (in
 thousands)                           $109,749        $ 129,720          $160,608      $160,158     $135,811
</TABLE>


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

(a)        Includes interest expense of 0.00%, 0.00%, 0.00%+, 0.00% and 0.00%,
           respectively.


(b)        The per-share data presented above is based on the average shares
           outstanding for the period presented.

(c)        If the Fund had not recognized gains in settlement of class action
           lawsuits during the year ended December 31, 2015, the total return
           would have been (1.26)%.

+     Amount rounds to less than 0.01%.


                                       72
<PAGE>

PIONEER FUND


CLASS R SHARES



<TABLE>
<CAPTION>
                                        YEAR              YEAR            YEAR        YEAR         YEAR
                                        ENDED             ENDED           ENDED       ENDED       ENDED
                                      12/31/16          12/31/15        12/31/14    12/31/13     12/31/12
                                   --------------  ------------------  ----------  ----------  -----------
<S>                                <C>             <C>                 <C>         <C>         <C>
Net asset value, beginning of
 period                               $ 32.04         $   36.80         $ 39.27     $ 32.51     $  38.67
                                      -------         ---------         -------     -------     --------
Increase (decrease) from
 investment operations:
 Net investment income (loss)         $  0.21(b)      $    0.19(b)      $  0.25     $  0.25     $   0.36
 Net realized and unrealized gain
   (loss) on investments                 2.57             (0.42)           3.92       10.21         3.14
                                      -------         ---------         -------     -------     --------
   Net increase (decrease) from
    investment operations             $  2.78         $   (0.23)        $  4.17     $ 10.46     $   3.50
Distribution to shareowners:
 Net investment income                $ (0.22)        $   (0.19)        $ (0.22)    $ (0.21)    $  (0.36)
 Net realized gain                      (5.59)            (4.34)          (6.42)      (3.49)       (9.30)
                                      -------         ---------         -------     -------     --------
Total distributions                   $ (5.81)        $   (4.53)        $ (6.64)    $ (3.70)    $  (9.66)
                                      -------         ---------         -------     -------     --------
Net increase (decrease) in net
 asset value                          $ (3.03)        $   (4.76)        $ (2.47)    $  6.76     $  (6.16)
                                      -------         ---------         -------     -------     --------
Net asset value, end of period        $ 29.01         $   32.04         $ 36.80     $ 39.27     $  32.51
                                      -------         ---------         -------     -------     --------
Total return*                            9.12%            (0.77)%(c)      10.56%      32.52%        9.57%
Ratio of net expenses to average
 net assets(a)                           1.41%             1.30%           1.27%       1.34%        1.33%
Ratio of net investment income
 (loss) to average net assets            0.66%             0.54%           0.61%       0.64%        0.92%
Portfolio turnover rate                    62%               50%             25%          7%          41%
Net assets, end of period (in
 thousands)                           $52,795         $  56,380         $66,382     $85,141     $104,042
</TABLE>



*     Assumes initial investment at net asset value at the beginning of each
      period, reinvestment of all distributions and the complete redemption of
      the investment at net asset value at the end of each period.
(a)        Includes interest expense of 0.00%, 0.00%, 0.00%+, 0.00% and 0.00%,
           respectively.


(b)        The per-share data presented above is based on the average shares
           outstanding for the period presented.

(c)        If the Fund had not recognized gains in settlement of class action
           lawsuits during the year ended December 31, 2015, the total return
           would have been (0.80)%.

+     Amount rounds to less than 0.01%.


                                       73
<PAGE>

Financial highlights

PIONEER FUND


CLASS Y SHARES



<TABLE>
<CAPTION>
                                       YEAR              YEAR             YEAR          YEAR          YEAR
                                       ENDED             ENDED            ENDED         ENDED        ENDED
                                     12/31/16          12/31/15         12/31/14      12/31/13      12/31/12
                                  --------------  ------------------  ------------  ------------  -----------
<S>                               <C>             <C>                 <C>           <C>           <C>
Net asset value, beginning of
 period                              $ 32.18         $   36.94          $  39.40      $  32.61     $  38.75
                                     -------         ---------          --------      --------     --------
Increase (decrease) from
 investment operations:
 Net investment income (loss)        $  0.43(b)      $    0.42(b)       $   0.55      $   0.53     $   0.75
Net realized and unrealized gain
 (loss) on investments                  2.59             (0.43)             3.89         10.24         3.03
   Net increase (decrease) from
    investment operations            $  3.02         $   (0.01)         $   4.44      $  10.77     $   3.78
Distribution to shareowners:
 Net investment income               $ (0.42)        $   (0.41)         $  (0.48)     $  (0.49)    $  (0.62)
Net realized gain                      (5.59)            (4.34)            (6.42)        (3.49)       (9.30)
Total distributions                  $ (6.01)        $   (4.75)         $  (6.90)     $  (3.98)    $  (9.92)
                                     -------         ---------          --------      --------     --------
Net increase (decrease) in net
 asset value                         $ (2.99)        $   (4.76)         $  (2.46)     $   6.79     $  (6.14)
                                     -------         ---------          --------      --------     --------
Net asset value, end of period       $ 29.19         $   32.18          $  36.94      $  39.40     $  32.61
                                     -------         ---------          --------      --------     --------
Total return*                           9.86%            (0.14)%(c)        11.23%        33.46%       10.29%
Ratio of net expenses to average
 net assets(a)                          0.73%             0.68%             0.66%         0.63%        0.66%
Ratio of net investment income
 (loss) to average net assets           1.34%             1.14%             1.23%         1.35%        1.54%
Portfolio turnover rate                   62%               50%               25%            7%          41%
Net assets, end of period (in
 thousands)                          $110,080        $ 153,661          $288,846      $366,513     $514,457
</TABLE>



*     Assumes initial investment at net asset value at the beginning of each
      period, reinvestment of all distributions and the complete redemption of
      the investment at net asset value at the end of each period.
(a)        Includes interest expense of 0.00%, 0.00%, 0.00%+, 0.00% and 0.00%,
           respectively.


(b)        The per-share data presented above is based on the average shares
           outstanding for the period presented.

(c)        If the Fund had not recognized gains in settlement of class action
           lawsuits during the year ended December 31, 2015, the total return
           would have been (0.17)%.

+     Amount rounds to less than 0.01%.


                                       74
<PAGE>

Intermediary defined sales charge waiver policies


MERRILL LYNCH
Effective April 10, 2017, shareholders purchasing fund shares through a Merrill
Lynch platform or account will be eligible only for the following sales charge
waivers (front-end sales charge waivers and CDSC waivers) and discounts, which
may differ from those disclosed elsewhere in this prospectus or the fund's
statement of additional information.


FRONT-END SALES CHARGE WAIVERS FOR CLASS A SHARES AVAILABLE AT MERRILL LYNCH
o Employer-sponsored retirement, deferred compensation and employee benefit
  plans (including health savings accounts) and trusts used to fund those
  plans, provided that the plan is a group plan (more than one participant),
  the shares are not held in a commission-based brokerage account and shares
  are held in the name of the plan through an omnibus account
o Shares purchased by or through a 529 Plan
o Shares purchased through a Merrill Lynch affiliated investment advisory
  program
o Shares purchased by third party investment advisors on behalf of their
  advisory clients through Merrill Lynch's platform
o Shares of funds purchased through the Merrill Edge Self-Directed platform (if
  applicable)
o Shares purchased through reinvestment of capital gains distributions and
  dividend reinvestment when purchasing shares of the same fund (but not any
  other fund within the fund family)
o Shares exchanged from Class C (i.e. level-load) shares of the same fund in
  the month of or following the 10-year anniversary of the purchase date
o Employees and registered representatives of Merrill Lynch or its affiliates
  and their family members
o Trustees of the fund, and employees of the fund's investment adviser or any
  of its affiliates, as described in this prospectus
o Shares purchased from the proceeds of redemptions within the Pioneer fund
  family, provided (1) the repurchase occurs within 90 days following the
  redemption, (2) the redemption and purchase occur in the same account, and
  (3) redeemed shares were subject to a front-end or deferred sales load
  (known as Rights of Reinstatement)


CDSC WAIVERS ON CLASS A AND C SHARES AVAILABLE AT MERRILL LYNCH
o Death or disability of the shareholder
o Shares sold as part of a systematic withdrawal plan as described in the
  fund's prospectus



                                       75
<PAGE>

Intermediary defined sales charge waiver policies


o Return of excess contributions from an IRA Account
o Shares sold as part of a required minimum distribution for IRA and retirement
  accounts due to the shareholder reaching age 70 1/2
o Shares sold to pay Merrill Lynch fees but only if the transaction is
  initiated by Merrill Lynch
o Shares acquired through a right of reinstatement
o Shares held in retirement brokerage accounts, that are exchanged for a lower
  cost share class due to transfer to certain fee based accounts or platforms
  (applicable to Class A and C shares only)


FRONT-END SALES CHARGE DISCOUNTS FOR CLASS A SHARES AVAILABLE AT MERRILL LYNCH:
BREAKPOINTS, RIGHTS OF ACCUMULATION AND LETTERS OF INTENT
o Breakpoints as described in this prospectus.
o Rights of Accumulation (ROA), which entitle shareholders to breakpoint
  discounts, will be automatically calculated based on the aggregated holding
  of Pioneer fund family assets held by accounts within the purchaser's
  household at Merrill Lynch. Eligible Pioneer fund family assets not held at
  Merrill Lynch may be included in the ROA calculation only if the shareholder
  notifies his or her financial advisor about such assets
o Letters of Intent (LOI) which allow for breakpoint discounts based on
  anticipated purchases within the Pioneer fund family, through Merrill Lynch,
  over a 13-month period of time (if applicable)



                                       76
<PAGE>

Pioneer
Fund

YOU CAN OBTAIN MORE FREE INFORMATION about the fund from your investment firm
or by writing to Pioneer Funds, 60 State Street, Boston, Massachusetts 02109.
You may also call 1-800-225-6292 for more information about the fund, to
request copies of the fund's statement of additional information and shareowner
reports, and to make other inquiries.


VISIT OUR WEBSITE
us.pioneerinvestments.com

The fund makes available the statement of additional information and shareowner
reports, free of charge, on the fund's website at us.pioneerinvestments.com.
You also may find other information and updates about Pioneer and the fund,
including fund performance information and the fund's most recent net asset
value, on the fund's website.


SHAREOWNER REPORTS
Annual and semiannual reports to shareowners, and quarterly reports filed with
the Securities and Exchange Commission, provide additional information about
the fund's investments. The annual report discusses market conditions and
investment strategies that significantly affected the fund's performance during
its last fiscal year.


STATEMENT OF ADDITIONAL INFORMATION
The statement of additional information provides more detailed information
about the fund.


The statement of additional information, dated May 1, 2017, as may be amended
from time to time, and filed with the Securities and Exchange Commission, is
incorporated by reference into this prospectus.


You can also review and copy the fund's shareowner reports, prospectus and
statement of additional information at the Securities and Exchange Commission's
Public Reference Room in Washington, D.C. Call 1-202-551-8090 for information.
The Commission charges a fee for copies. You can get the same information free
from the Commission's EDGAR database on the Internet (http://www.sec.gov). You
may also e-mail requests for these documents to publicinfo@sec.gov or make a
request in writing to the Commission's Public Reference Section, Washington,
D.C. 20549-1520.

(Investment Company Act file no. 811-01466)



<TABLE>
[GRAPHIC APPEARS HERE]


<S>                              <C>

PIONEER FUNDS DISTRIBUTOR, INC.
60 STATE STREET                                                    19301-11-0517
BOSTON, MA 02109                 (Copyright)2017 Pioneer Funds Distributor, Inc.
US.PIONEERINVESTMENTS.COM                                            Member SIPC
</TABLE>


<PAGE>

[GRAPHIC APPEARS HERE]




Pioneer Investment Management, Inc.
60 State Street
Boston, MA 02109
us.pioneerinvestments.com














This is not part of the prospectus.





19301-11-0517
(Copyright)2017 Pioneer Funds Distributor, Inc.

Underwriter of Pioneer mutual funds
Member SIPC

<PAGE>

PIONEER FUND
--------------------------------------------------------------------------------
60 State Street

Boston, Massachusetts 02109
                                                         CLASS A SHARES (PIODX)
                                                         CLASS C SHARES (PCODX)
                                                         CLASS R SHARES (PIORX)

                                                         CLASS T SHARES (PDFTX)
                                                         CLASS Y SHARES (PYODX)



                      Statement of Additional Information

                                  May 1, 2017

This statement of additional information is not a prospectus. It should be read
in conjunction with the fund's Class A, Class C, Class R, Class T and Class Y
shares prospectus dated May 1, 2017, as supplemented or revised from time to
time. A copy of the prospectus can be obtained free of charge by calling the
fund at 1-800-225-6292 or by written request to the fund at 60 State Street,
Boston, Massachusetts 02109. You can also obtain a copy of the prospectus from
our website at: us.pioneerinvestments.com. The fund's financial statements for
the fiscal year ended December 31, 2016, including the independent registered
public accounting firm's report thereon, are incorporated into this statement
of additional information by reference.


CONTENTS
--------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                      PAGE
<S>      <C>                                                         <C>
   1.    Fund history...............................................    1
   2.    Investment policies, risks and restrictions................    1
   3.    Trustees and officers......................................   30
   4.    Investment adviser.........................................   39
   5.    Principal underwriter and distribution plan................   44
   6.    Shareholder servicing/transfer agent.......................   46
   7.    Custodian and sub-administrator............................   46
   8.    Independent registered public accounting firm..............   47
   9.    Portfolio management.......................................   47
  10.    Portfolio transactions.....................................   50
  11.    Description of shares......................................   51
  12.    Sales charges..............................................   54
  13.    Redeeming shares...........................................   60
  14.    Telephone and online transactions..........................   61
  15.    Pricing of shares..........................................   62
  16.    Tax status.................................................   63
  17.    Financial statements.......................................   71
  18.    Annual fee, expense and other information..................   71
  19.    Appendix A - Description of short-term debt, corporate bond
         and preferred stock ratings//..............................   75
  20.    Appendix B - Proxy voting policies and procedures..........   79
</TABLE>

[GRAPHIC APPEARS HERE]





<PAGE>


1. FUND HISTORY


The fund is a diversified open-end management investment company. The fund is a
series of Pioneer Fund (the "Trust"). The fund was originally organized as a
Delaware corporation in 1928, reorganized as a Massachusetts corporation in
1967, reorganized as a series of a Massachusetts business trust in 1985, and
reorganized as a series of a Delaware statutory trust on May 1, 1996. Pioneer
Investment Management, Inc. ("Pioneer") is the fund's investment adviser.


2. INVESTMENT POLICIES, RISKS AND RESTRICTIONS

The prospectus presents the investment objective and the principal investment
strategies and risks of the fund. This section supplements the disclosure in
the fund's prospectus and provides additional information on the fund's
investment policies or restrictions. Restrictions or policies stated as a
maximum percentage of the fund's assets are only applied immediately after a
portfolio investment to which the policy or restriction is applicable (other
than the limitations on borrowing and illiquid securities). Accordingly, any
later increase or decrease in a percentage resulting from a change in values,
net assets or other circumstances will not be considered in determining whether
the investment complies with the fund's restrictions and policies.


EQUITY SECURITIES AND RELATED INVESTMENTS


INVESTMENTS IN EQUITY SECURITIES
Equity securities, such as common stock, generally represent an ownership
interest in a company. While equity securities have historically generated
higher average returns than fixed income securities, equity securities have
also experienced significantly more volatility in those returns. An adverse
event, such as an unfavorable earnings report, may depress the value of a
particular equity security held by the fund. Also, the prices of equity
securities, particularly common stocks, are sensitive to general movements in
the stock market. A drop in the stock market may depress the price of equity
securities held by the fund.


WARRANTS AND STOCK PURCHASE RIGHTS
The fund may invest in warrants, which are securities permitting, but not
obligating, their holder to subscribe for other securities. Warrants do not
carry with them the right to dividends or voting rights with respect to the
securities that they entitle their holders to purchase, and they do not
represent any rights in the assets of the issuer.

The fund may also invest in stock purchase rights. Stock purchase rights are
instruments, frequently distributed to an issuer's shareholders as a dividend,
that entitle the holder to purchase a specific number of shares of common stock
on a specific date or during a specific period of time. The exercise price on
the rights is normally at a discount from market value of the common stock at
the time of distribution. The rights do not carry with them the right to
dividends or to vote and may or may not be transferable. Stock purchase rights
are frequently used outside of the United States as a means of raising
additional capital from an issuer's current shareholders.

As a result, an investment in warrants or stock purchase rights may be
considered more speculative than certain other types of investments. In
addition, the value of a warrant or a stock purchase right does not necessarily
change with the value of the underlying securities, and warrants and stock
purchase rights expire worthless if they are not exercised on or prior to their
expiration date.


PREFERRED SHARES
The fund may invest in preferred shares. Preferred shares are equity
securities, but they have many characteristics of fixed income securities, such
as a fixed dividend payment rate and/or a liquidity preference over the
issuer's common shares. However, because preferred shares are equity
securities, they may be more susceptible to risks traditionally associated with
equity investments than the fund's fixed income securities.


                                       1
<PAGE>

Preferred stocks may differ in many of their provisions. Among the features
that differentiate preferred stocks from one another are the dividend rights,
which may be cumulative or noncumulative and participating or
non-participating, redemption provisions, and voting rights. Such features will
establish the income return and may affect the prospects for capital
appreciation or risks of capital loss.

The market prices of preferred stocks are subject to changes in interest rates
and are more sensitive to changes in an issuer's creditworthiness than are the
prices of debt securities. Shareholders of preferred stock may suffer a loss of
value if dividends are not paid. Under ordinary circumstances, preferred stock
does not carry voting rights.


INVESTMENTS IN INITIAL PUBLIC OFFERINGS
Companies involved in initial public offering (IPOs) generally have limited
operating histories, and prospects for future profitability are uncertain. The
market for IPO issuers has been volatile, and share prices of newly public
companies have fluctuated significantly over short periods of time. Further,
stocks of newly-public companies may decline shortly after the IPO. There is no
assurance that the fund will have access to IPOs. The purchase of IPO shares
may involve high transaction costs. Because of the price volatility of IPO
shares, the fund may choose to hold IPO shares for a very short period of time.
This may increase the turnover of the portfolio and may lead to increased
expenses to the fund, such as commissions and transaction costs. The market for
IPO shares can be speculative and/or inactive for extended periods of time.
There may be only a limited number of shares available for trading. The limited
number of shares available for trading in some IPOs may also make it more
difficult for the fund to buy or sell significant amounts of shares without an
unfavorable impact on prevailing prices.


NON-U.S. INVESTMENTS


EQUITY SECURITIES OF NON-U.S. ISSUERS
The fund may invest in equity securities of non-U.S. issuers, including
American Depositary Receipts ("ADRs"), European Depositary Receipts ("EDRs"),
Global Depositary Receipts ("GDRs") and other similar instruments.


DEBT OBLIGATIONS OF NON-U.S. GOVERNMENTS
The fund may invest in all types of debt obligations of non-U.S. governments.
An investment in debt obligations of non-U.S. governments and their political
subdivisions (sovereign debt) involves special risks that are not present in
corporate debt obligations. The non-U.S. issuer of the sovereign debt or the
non-U.S. governmental authorities that control the repayment of the debt may be
unable or unwilling to repay principal or interest when due, and the fund may
have limited recourse in the event of a default. As a sovereign entity, the
issuing government may be immune from lawsuits in the event of its failure or
refusal to pay the obligations when due. During periods of economic uncertainty
(such as the financial crisis that began in 2008), the values of sovereign debt
and of securities of issuers that purchase sovereign debt may be more volatile
than prices of debt obligations of U.S. issuers. In the past, certain non-U.S.
countries have encountered difficulties in servicing their debt obligations,
withheld payments of principal and interest, declared moratoria on the payment
of principal and interest on their sovereign debt, or restructured their debt
to effectively eliminate portions of it, and similar occurrences may happen in
the future. There is no bankruptcy proceeding by which sovereign debt on which
governmental entities have defaulted may be collected in whole or in part.

A sovereign debtor's willingness or ability to repay principal and pay interest
in a timely manner may be affected by, among other factors, its cash flow
situation, the extent of its foreign currency reserves, the availability of
sufficient foreign exchange, the relative size of the debt service burden, the
sovereign debtor's policy toward its principal international lenders and local
political constraints. Sovereign debtors may also be dependent on disbursements
or assistance from non-U.S. governments, multinational agencies and other
entities to reduce principal and interest arrearages on their debt. Assistance
may be dependent on a country's implementation of austerity measures and
reforms, which measures may limit or be perceived to limit economic growth and
recovery. The failure of a sovereign debtor to implement economic reforms,


                                       2
<PAGE>

achieve specified levels of economic performance or repay principal or interest
when due may result in the cancellation of third-party commitments to lend
funds to the sovereign debtor, which may further impair such debtor's ability
or willingness to service its debts.

EURODOLLAR INSTRUMENTS AND SAMURAI AND YANKEE BONDS. The fund may invest in
Eurodollar instruments and Samurai and Yankee bonds. Eurodollar instruments are
bonds of corporate and government issuers that pay interest and principal in
U.S. dollars but are issued in markets outside the United States, primarily in
Europe. Samurai bonds are yen-denominated bonds sold in Japan by non-Japanese
issuers. Yankee bonds are U.S. dollar denominated bonds typically issued in the
U.S. by non-U.S. governments and their agencies and non-U.S. banks and
corporations. The fund may also invest in Eurodollar Certificates of Deposit
("ECDs"), Eurodollar Time Deposits ("ETDs") and Yankee Certificates of Deposit
("Yankee CDs"). ECDs are U.S. dollar-denominated certificates of deposit issued
by non-U.S. branches of domestic banks; ETDs are U.S. dollar-denominated
deposits in a non-U.S. branch of a U.S. bank or in a non-U.S. bank; and Yankee
CDs are U.S. dollar-denominated certificates of deposit issued by a U.S. branch
of a non-U.S. bank and held in the U.S. These investments involve risks that
are different from investments in securities issued by U.S. issuers, including
potential unfavorable political and economic developments, non-U.S. withholding
or other taxes, seizure of non-U.S. deposits, currency controls, interest
limitations or other governmental restrictions which might affect payment of
principal or interest.

INVESTMENTS IN EMERGING MARKETS. The fund may invest in securities of issuers
in countries with emerging economies or securities markets. Emerging economies
or securities markets will generally include, but not be limited to, countries
included in the Morgan Stanley Capital International (MSCI) Emerging & Frontier
Markets Index. The fund will generally focus on emerging markets that do not
impose unusual trading requirements which tend to restrict the flow of
investments. In addition, the fund may invest in unquoted securities of
emerging market issuers.

RISKS OF NON-U.S. INVESTMENTS. Investing in securities of non-U.S. issuers
involves considerations and risks not typically associated with investing in
the securities of issuers in the U.S. These risks are heightened with respect
to investments in countries with emerging markets and economies. The risks of
investing in securities of non-U.S. issuers generally, or in issuers with
significant exposure to non-U.S. markets, may be related, among other things,
to (i) differences in size, liquidity and volatility of, and the degree and
manner of regulation of, the securities markets of certain non-U.S. markets
compared to the securities markets in the U.S.; (ii) economic, political and
social factors; and (iii) foreign exchange matters, such as restrictions on the
repatriation of capital, fluctuations in exchange rates between the U.S. dollar
and the currencies in which the portfolio securities are quoted or denominated,
exchange control regulations and costs associated with currency exchange. The
political and economic structures in certain countries, particularly emerging
markets, may undergo significant evolution and rapid development, and such
countries may lack the social, political and economic stability characteristic
of more developed countries.

NON-U.S. SECURITIES MARKETS AND REGULATIONS. There may be less publicly
available information about non-U.S. markets and issuers than is available with
respect to U.S. securities and issuers. Non-U.S. companies generally are not
subject to accounting, auditing and financial reporting standards, practices
and requirements comparable to those applicable to U.S. companies. The trading
markets for most non-U.S. securities are generally less liquid and subject to
greater price volatility than the markets for comparable securities in the U.S.
The markets for securities in certain emerging markets are in the earliest
stages of their development. Even the markets for relatively widely traded
securities in certain non-U.S. markets, including emerging market countries,
may not be able to absorb, without price disruptions, a significant increase in
trading volume or trades of a size customarily undertaken by institutional
investors in the U.S. Additionally, market making and arbitrage activities are
generally less extensive in such markets, which may contribute to increased
volatility and reduced liquidity. The less liquid a market, the more difficult
it may be for the fund to accurately price its portfolio securities or to
dispose of such securities at the times determined by Pioneer to be
appropriate. The risks associated with reduced liquidity may be particularly
acute in situations in which the fund's operations require cash, such as in
order to meet redemptions and to pay its expenses.


                                       3
<PAGE>

ECONOMIC, POLITICAL AND SOCIAL FACTORS. Certain countries, including emerging
markets, may be subject to a greater degree of economic, political and social
instability than in the U.S. and Western European countries. Such instability
may result from, among other things: (i) authoritarian governments or military
involvement in political and economic decision making; (ii) popular unrest
associated with demands for improved economic, political and social conditions;
(iii) internal insurgencies; (iv) hostile relations with neighboring countries;
and (v) ethnic, religious and racial conflict. Such economic, political and
social instability could significantly disrupt the financial markets in such
countries and the ability of the issuers in such countries to repay their
obligations. In addition, it may be difficult for the fund to pursue claims
against a foreign issuer in the courts of a foreign country. Investing in
emerging market countries also involves the risk of expropriation,
nationalization, confiscation of assets and property or the imposition of
restrictions on foreign investments and on repatriation of capital invested. In
the event of such expropriation, nationalization or other confiscation in any
emerging country, the fund could lose its entire investment in that country.

Investments that have exposure to Russian or Ukrainian issuers or markets may
be significantly affected by recent events in those regions and economic
sanctions against Russia and other responses to these events by the United
States and other nations.

Certain emerging market countries restrict or control foreign investment in
their securities markets to varying degrees. These restrictions may limit the
fund's investment in those markets and may increase the expenses of the fund.
In addition, the repatriation of both investment income and capital from
certain markets is subject to restrictions such as the need for certain
governmental consents. Even where there is no outright restriction on
repatriation of capital, the mechanics of repatriation may affect certain
aspects of the fund's operation.

Economies in individual countries may differ favorably or unfavorably from the
U.S. economy in such respects as growth of gross domestic product, rates of
inflation, currency valuation, capital reinvestment, resource self-sufficiency
and balance of payments positions. Many countries have experienced substantial,
and in some cases extremely high, rates of inflation for many years. Inflation
and rapid fluctuations in inflation rates have had, and may continue to have,
very negative effects on the economies and securities markets of certain
emerging countries.

Unanticipated political or social developments may affect the values of the
fund's investments and the availability to the fund of additional investments
in such countries. In the past, the economies, securities and currency markets
of many emerging markets have experienced significant disruption and declines.
There can be no assurance that these economic and market disruptions might not
occur again.

Economies in emerging market countries generally are dependent heavily upon
international trade and, accordingly, have been and may continue to be affected
adversely by trade barriers, exchange controls, managed adjustments in relative
currency values and other protectionist measures imposed or negotiated by the
countries with which they trade. These economies also have been, and may
continue to be, affected adversely and significantly by economic conditions in
the countries with which they trade.


A number of countries in Europe have experienced severe economic and financial
difficulties. Many non-governmental issuers, and even certain governments, have
defaulted on, or been forced to restructure, their debts; many other issuers
have faced difficulties obtaining credit or refinancing existing obligations;
financial institutions have in many cases required government or central bank
support, have needed to raise capital, and/or have been impaired in their
ability to extend credit; and financial markets in Europe and elsewhere have
experienced extreme volatility and declines in asset values and liquidity.
These difficulties may continue, worsen or spread within and beyond Europe.
Responses to the financial problems by European governments, central banks and
others, including austerity measures and reforms, may not work, may result in
social unrest and may limit future growth and economic recovery or have other
unintended consequences. Further defaults or restructurings by governments and
others of their debt could have additional adverse effects on economies,
financial markets and asset valuations around the world. In addition, voters in
the United Kingdom have approved withdrawal from the European Union. Other
countries may seek to withdraw from



                                       4
<PAGE>


the European Union and/or abandon the euro, the common currency of the European
Union. A number of countries in Europe have suffered terror attacks, and
additional attacks may occur in the future. The Ukraine has experienced ongoing
military conflict; this conflict may expand and military conflicts could
potentially occur elsewhere in Europe. Europe has also been struggling with
mass migration from the Middle East and Africa. The ultimate effects of these
events and other socio-political or geopolitical issues are not known but could
profoundly affect global economies and markets. Whether or not the fund invests
in securities of issuers located in Europe or with significant exposure to
European issuers or countries, these events could negatively affect the value
and liquidity of the fund's investments due to the interconnected nature of the
global economy and capital markets.


CURRENCY RISKS. The value of the securities quoted or denominated in foreign
currencies may be adversely affected by fluctuations in the relative currency
exchange rates and by exchange control regulations. The fund 's investment
performance may be negatively affected by a devaluation of a currency in which
the fund's investments are quoted or denominated. Further, the fund's
investment performance may be significantly affected, either positively or
negatively, by currency exchange rates because the U.S. dollar value of
securities quoted or denominated in another currency will increase or decrease
in response to changes in the value of such currency in relation to the U.S.
dollar.

CUSTODIAN SERVICES AND RELATED INVESTMENT COSTS. Custodial services and other
costs relating to investment in international securities markets generally are
more expensive than in the U.S. Such markets have settlement and clearance
procedures that differ from those in the U.S. In certain markets there have
been times when settlements have been unable to keep pace with the volume of
securities transactions, making it difficult to conduct such transactions. The
inability of the fund to make intended securities purchases due to settlement
problems could cause the fund to miss attractive investment opportunities.
Inability to dispose of a portfolio security caused by settlement problems
could result either in losses to the fund due to a subsequent decline in value
of the portfolio security or could result in possible liability to the fund. In
addition, security settlement and clearance procedures in some emerging
countries may not fully protect the fund against loss or theft of its assets.

WITHHOLDING AND OTHER TAXES. The fund may be subject to taxes, including
withholding taxes, on income (possibly including, in some cases, capital gains)
that are or may be imposed by certain countries with respect to the fund's
investments in such countries. These taxes may reduce the return achieved by
the fund. Treaties between the U.S. and such countries may not be available to
reduce the otherwise applicable tax rates.


INVESTMENTS IN DEPOSITARY RECEIPTS
The fund may hold securities of non-U.S. issuers in the form of ADRs, EDRs,
GDRs and other similar instruments. Generally, ADRs in registered form are
designed for use in U.S. securities markets, and EDRs and GDRs and other
similar global instruments in bearer form are designed for use in non-U.S.
securities markets.

ADRs are denominated in U.S. dollars and represent an interest in the right to
receive securities of non-U.S. issuers deposited in a U.S. bank or
correspondent bank. ADRs do not eliminate all the risk inherent in investing in
the securities of non-U.S. issuers. However, by investing in ADRs rather than
directly in equity securities of non-U.S. issuers, the fund will avoid currency
risks during the settlement period for either purchases or sales. EDRs and GDRs
are not necessarily denominated in the same currency as the underlying
securities which they represent.

For purposes of the fund's investment policies, investments in ADRs, EDRs, GDRs
and similar instruments will be deemed to be investments in the underlying
equity securities of non-U.S. issuers. The fund may acquire depositary receipts
from banks that do not have a contractual relationship with the issuer of the
security underlying the depositary receipt to issue and secure such depositary
receipt. To the extent the fund invests in such unsponsored depositary receipts
there may be an increased possibility that the fund


                                       5
<PAGE>

may not become aware of events affecting the underlying security and thus the
value of the related depositary receipt. In addition, certain benefits (i.e.,
rights offerings) which may be associated with the security underlying the
depositary receipt may not inure to the benefit of the holder of such
depositary receipt.


FOREIGN CURRENCY TRANSACTIONS
The fund may engage in foreign currency transactions. These transactions may be
conducted at the prevailing spot rate for purchasing or selling currency in the
foreign exchange market. The fund also may enter into forward foreign currency
exchange contracts, which are contractual agreements to purchase or sell a
specified currency at a specified future date and price set at the time of the
contract.

The fund may enter into forward foreign currency exchange contracts involving
currencies of the different countries in which the fund invests as a hedge
against possible variations in the foreign exchange rates between these
currencies and the U.S. dollar. Transaction hedging is the purchase or sale of
forward foreign currency contracts with respect to specific receivables or
payables of the fund, accrued in connection with the purchase and sale of its
portfolio securities quoted in foreign currencies. Portfolio hedging is the use
of forward foreign currency contracts to offset portfolio security positions
denominated or quoted in such foreign currencies. There is no guarantee that
the fund will be engaged in hedging activities when adverse exchange rate
movements occur or that its hedging activities will be successful. The fund
will not attempt to hedge all of its foreign portfolio positions and will enter
into such transactions only to the extent, if any, deemed appropriate by
Pioneer.

Hedging against a decline in the value of a currency does not eliminate
fluctuations in the prices of portfolio securities or prevent losses if the
prices of such securities decline. Such transactions also limit the opportunity
for gain if the value of the hedged currency should rise. Moreover, it may not
be possible for the fund to hedge against a devaluation that is so generally
anticipated that the fund is not able to contract to sell the currency at a
price above the devaluation level it anticipates.

The fund may also engage in cross-hedging by using forward contracts in one
currency to hedge against fluctuations in the value of securities denominated
in a different currency, if Pioneer determines that there is a pattern of
correlation between the two currencies. Cross-hedging may also include entering
into a forward transaction involving two foreign currencies, using one foreign
currency as a proxy for the U.S. dollar to hedge against variations in the
other foreign currency.

The fund may use forward currency exchange contracts to reduce or gain exposure
to a currency. To the extent the fund gains exposure to a currency through
these instruments, the resulting exposure may exceed the value of securities
denominated in that currency held by the fund. For example, where the fund's
security selection has resulted in an overweight or underweight exposure to a
particular currency relative to the fund's benchmark, the fund may seek to
adjust currency exposure using forward currency exchange contracts.

The cost to the fund of engaging in foreign currency transactions varies with
such factors as the currency involved, the size of the contract, the length of
the contract period, differences in interest rates between the two currencies
and the market conditions then prevailing. Since transactions in foreign
currency and forward contracts are usually conducted on a principal basis, no
fees or commissions are involved. The fund may close out a forward position in
a currency by selling the forward contract or by entering into an offsetting
forward contract.

The precise matching of the forward contract amounts and the value of the
securities involved will not generally be possible because the future value of
such securities in foreign currencies will change as a consequence of market
movements in the value of those securities between the date on which the
contract is entered into and the date it matures. Using forward contracts to
protect the value of the portfolio securities against a decline in the value of
a currency does not eliminate fluctuations in the underlying prices of the
securities. It simply establishes a rate of exchange which the fund can achieve
at some future point in time. The precise projection of currency market
movements is not possible, and short-term hedging provides a means of fixing
the U.S. dollar value of only a portion of the fund's foreign assets.


                                       6
<PAGE>

While the fund may benefit from foreign currency transactions, unanticipated
changes in currency prices may result in a poorer overall performance for the
fund than if it had not engaged in any such transactions. Moreover, there may
be imperfect correlation between the portfolio holdings of securities quoted or
denominated in a particular currency and forward contracts entered into by the
fund. Such imperfect correlation may cause the fund to sustain losses which
will prevent the fund from achieving a complete hedge or expose the fund to
risk of foreign exchange loss.

Over-the-counter markets for trading foreign forward currency contracts offer
less protection against defaults than is available when trading in currency
instruments on an exchange. Since a forward foreign currency exchange contract
is not guaranteed by an exchange or clearinghouse, a default on the contract
would deprive the fund of unrealized profits or force the fund to cover its
commitments for purchase or resale, if any, at the current market price.

If the fund enters into a forward contract to purchase foreign currency, the
custodian or Pioneer will segregate liquid assets. See "Asset Segregation."


OPTIONS ON FOREIGN CURRENCIES
The fund may purchase options on foreign currencies for hedging purposes in a
manner similar to that of transactions in forward contracts. For example, a
decline in the dollar value of a foreign currency in which portfolio securities
are quoted or denominated will reduce the dollar value of such securities, even
if their value in the foreign currency remains constant. In an attempt to
protect against such decreases in the value of portfolio securities, the fund
may purchase put options on the foreign currency. If the value of the currency
declines, the fund will have the right to sell such currency for a fixed amount
of dollars which exceeds the market value of such currency. This would result
in a gain that may offset, in whole or in part, the negative effect of currency
depreciation on the value of the fund's securities quoted or denominated in
that currency.

Conversely, if a rise in the dollar value of a currency is projected for those
securities to be acquired, thereby increasing the cost of such securities, the
fund may purchase call options on such currency. If the value of such currency
increases, the purchase of such call options would enable the fund to purchase
currency for a fixed amount of dollars which is less than the market value of
such currency. Such a purchase would result in a gain that may offset, at least
partially, the effect of any currency-related increase in the price of
securities the fund intends to acquire. As in the case of other types of
options transactions, however, the benefit the fund derives from purchasing
foreign currency options will be reduced by the amount of the premium and
related transaction costs. In addition, if currency exchange rates do not move
in the direction or to the extent anticipated, the fund could sustain losses on
transactions in foreign currency options which would deprive it of a portion or
all of the benefits of advantageous changes in such rates.

The fund may also write options on foreign currencies for hedging purposes. For
example, if the fund anticipated a decline in the dollar value of securities
quoted or denominated in a foreign currency because of declining exchange
rates, it could, instead of purchasing a put option, write a covered call
option on the relevant currency. If the expected decline occurs, the option
will most likely not be exercised, and the decrease in value of portfolio
securities will be partially offset by the amount of the premium received by
the fund.

Similarly, the fund could write a put option on the relevant currency, instead
of purchasing a call option, to hedge against an anticipated increase in the
dollar cost of securities to be acquired. If exchange rates move in the manner
projected, the put option will expire unexercised and allow the fund to offset
such increased cost up to the amount of the premium. However, as in the case of
other types of options transactions, the writing of a foreign currency option
will constitute only a partial hedge up to the amount of the premium, and only
if rates move in the expected direction. If unanticipated exchange rate
fluctuations occur, the option may be exercised and the fund would be required
to purchase or sell the underlying currency at a


                                       7
<PAGE>

loss, which may not be fully offset by the amount of the premium. As a result
of writing options on foreign currencies, the fund also may be required to
forgo all or a portion of the benefits which might otherwise have been obtained
from favorable movements in currency exchange rates.

A call option written on foreign currency by the fund is "covered" if the fund
owns the underlying foreign currency subject to the call, or if it has an
absolute and immediate right to acquire that foreign currency without
additional cash consideration. A call option is also covered if the fund holds
a call on the same foreign currency for the same principal amount as the call
written where the exercise price of the call held is (a) equal to or less than
the exercise price of the call written or (b) greater than the exercise price
of the call written if the amount of the difference is maintained by the fund
in cash or liquid securities. See "Asset Segregation."

The fund may close out its position in a currency option by either selling the
option it has purchased or entering into an offsetting option. An
exchange-traded options position may be closed out only on an options exchange
which provides a secondary market for an option of the same series. Although
the fund will generally purchase or write only those options for which there
appears to be an active secondary market, there is no assurance that a liquid
secondary market on an exchange will exist for any particular option, or at any
particular time. For some options no secondary market on an exchange may exist.
In such event, it might not be possible to effect closing transactions in
particular options, with the result that the fund would have to exercise its
options in order to realize any profit and would incur transaction costs upon
the sale of underlying currencies pursuant to the exercise of put options. If
the fund as a covered call option writer is unable to effect a closing purchase
transaction in a secondary market, it will not be able to sell the underlying
currency (or security quoted or denominated in that currency) until the option
expires or it delivers the underlying currency upon exercise.

The fund may also use options on currencies to cross-hedge, which involves
writing or purchasing options on one currency to hedge against changes in
exchange rates of a different currency with a pattern of correlation.
Cross-hedging may also include using a foreign currency as a proxy for the U.S.
dollar, if Pioneer determines that there is a pattern of correlation between
that currency and the U.S. dollar.

The fund may purchase and write over-the-counter options. Trading in
over-the-counter options is subject to the risk that the other party will be
unable or unwilling to close out options purchased or written by the fund.


NATURAL DISASTERS
Certain areas of the world, including areas within the United States,
historically have been prone to natural disasters, such as hurricanes,
earthquakes, typhoons, flooding, tidal waves, tsunamis, erupting volcanoes,
wildfires or droughts. Such disasters, and the resulting damage, could have a
significant adverse impact on the economies of those areas and on the ability
of issuers in which the fund invests to conduct their businesses, and thus on
the investments made by the fund in such geographic areas and/or issuers.
Adverse weather conditions could have a significant adverse impact on issuers
in the agricultural sector and on insurance companies that insure against the
impact of natural disasters.


CYBERSECURITY ISSUES
With the increased use of technologies such as the Internet to conduct
business, the fund is susceptible to operational, information security and
related risks. In general, cyber incidents can result from deliberate attacks
or unintentional events. Cyber attacks include, but are not limited to, gaining
unauthorized access to digital systems (e.g., through "hacking" or malicious
software coding) for purposes of misappropriating assets or sensitive
information, corrupting data, or causing operational disruption. Cyber attacks
may also be carried out in a manner that does not require gaining unauthorized
access, such as causing denial-of-service attacks on websites (i.e., efforts to
make network services unavailable to intended users). Cybersecurity failures or
breaches by the fund's adviser, transfer agent, distributor and other service
providers (including, but not limited to, the fund's custodian and financial
intermediaries), and the issuers of securities in which the fund invests, have
the ability to cause disruptions and impact business operations potentially
resulting


                                       8
<PAGE>

in financial losses, interference with the fund's ability to calculate its NAV,
impediments to trading, the inability of fund shareholders to transact
business, violations of applicable privacy and other laws, regulatory fines,
penalties, reputational damage, reimbursement or other compensation costs, or
additional compliance costs. In addition, substantial costs may be incurred in
order to prevent any cyber incidents in the future. While the fund or its
adviser has established business continuity plans in the event of, and risk
management systems to prevent, such cyber attacks, there are inherent
limitations in such plans and systems including the possibility that certain
risks have not been identified. Furthermore, the fund cannot control the cyber
security plans and systems put in place by service providers to the fund and
issuers in which the fund invests. The fund and its shareholders could be
negatively impacted as a result.


INVESTMENT COMPANY SECURITIES AND REAL ESTATE INVESTMENT TRUSTS


OTHER INVESTMENT COMPANIES
The fund may invest in the securities of other investment companies to the
extent that such investments are consistent with the fund's investment
objective and policies and permissible under the Investment Company Act of
1940, as amended (the "1940 Act") and the rules thereunder. Investing in other
investment companies subjects the fund to the risks of investing in the
underlying securities held by those investment companies. The fund, as a holder
of the securities of other investment companies, will bear its pro rata portion
of the other investment companies' expenses, including advisory fees. These
expenses are in addition to the direct expenses of the fund's own operations.


EXCHANGE TRADED FUNDS
The fund may invest in exchange traded funds ("ETFs"). ETFs, such as SPDRs,
iShares and various country index funds, are funds whose shares are traded on a
national exchange or the National Association of Securities Dealers' Automated
Quotation System ("NASDAQ"). ETFs may be based on underlying equity or fixed
income securities. SPDRs, for example, seek to provide investment results that
generally correspond to the performance of the component common stocks of the
Standard & Poor's 500 Stock Index (the "S&P 500"). ETFs do not sell individual
shares directly to investors and only issue their shares in large blocks known
as "creation units." The investor purchasing a creation unit then sells the
individual shares on a secondary market. Therefore, the liquidity of ETFs
depends on the adequacy of the secondary market. There can be no assurance that
an ETF's investment objective will be achieved. ETFs based on an index may not
replicate and maintain exactly the composition and relative weightings of
securities in the index. ETFs are subject to the risks of investing in the
underlying securities. The fund, as a holder of the securities of the ETF, will
bear its pro rata portion of the ETF's expenses, including advisory fees. These
expenses are in addition to the direct expenses of the fund's own operations.
Many ETFs have received exemptive orders issued by the Securities and Exchange
Commission that would permit the fund to invest in those ETFs beyond the
limitations applicable to other investment companies, subject to certain terms
and conditions. Some ETFs are not structured as investment companies and thus
are not regulated under the 1940 Act.

Certain ETFs, including leveraged ETFs and inverse ETFs, may have embedded
leverage. Leveraged ETFs seek to multiply the return of the tracked index
(e.g., twice the return) by using various forms of derivative transactions.
Inverse ETFs seek to negatively correlate with the performance of a particular
index by using various forms of derivative transactions, including by
short-selling the underlying index. An investment in an inverse ETF will
decrease in value when the value of the underlying index rises. By investing in
leveraged ETFs or inverse ETFs, the fund can commit fewer assets to the
investment in the securities represented on the index than would otherwise be
required.

Leveraged ETFs and inverse ETFs present all of the risks that regular ETFs
present. In addition, leveraged ETFs and inverse ETFs determine their return
over a specific, pre-set time period, typically daily, and, as a result, there
is no guarantee that the ETF's actual long term returns will be equal to the
daily return that the fund seeks to achieve. For example, on a long-term basis
(e.g., a period of 6 months or a year), the return of a leveraged ETF may in
fact be considerably less than two times the long-term return of the tracked


                                       9
<PAGE>

index. Furthermore, because leveraged ETFs and inverse ETFs achieve their
results by using derivative instruments, they are subject to the risks
associated with derivative transactions, including the risk that the value of
the derivatives may rise or fall more rapidly than other investments, thereby
causing the ETF to lose money and, consequently, the value of the fund's
investment to decrease. Investing in derivative instruments also involves the
risk that other parties to the derivative contract may fail to meet their
obligations, which could cause losses to the ETF. Short sales in particular are
subject to the risk that, if the price of the security sold short increases,
the inverse ETF may have to cover its short position at a higher price than the
short sale price, resulting in a loss to the inverse ETF and, indirectly, to
the fund. An ETF's use of these techniques will make the fund's investment in
the ETF more volatile than if the fund were to invest directly in the
securities underlying the tracked index, or in an ETF that does not use
leverage or derivative instruments. However, by investing in a leveraged ETF or
an inverse ETF rather than directly purchasing and/or selling derivative
instruments, the fund will limit its potential loss solely to the amount
actually invested in the ETF (that is, the fund will not lose more than the
principal amount invested in the ETF).


REAL ESTATE INVESTMENT TRUSTS ("REITS")

The fund may invest in REITs. REITs are companies that invest primarily in
income producing real estate or real estate-related loans or interests. Risks
associated with investments in REITs and other equity securities of real estate
industry issuers may include:



o The U.S. or a local real estate market declines due to adverse economic
  conditions, foreclosures, overbuilding and high vacancy rates, reduced or
  regulated rents or other causes



o Interest rates go up. Rising interest rates can adversely affect the
  availability and cost of financing for property acquisitions and other
  purposes and reduce the value of a REIT's fixed income investments



o The values of properties owned by a REIT or the prospects of other real
  estate industry issuers may be hurt by property tax increases, zoning
  changes, other governmental actions, environmental liabilities, natural
  disasters or increased operating expenses

o A REIT in the fund's portfolio is, or is perceived by the market to be,
  poorly managed



o If the fund's real estate related investments are concentrated in one
  geographic area or property type, the fund will be particularly subject to
  the risks associated with that area or property type

REITs are generally classified as equity REITs, mortgage REITs or a combination
of equity and mortgage REITs (known as hybrid REITs). Equity REITs invest the
majority of their assets directly in real property and derive income primarily
from the collection of rents. Equity REITs can also realize capital gains by
selling properties that have appreciated in value. Mortgage REITs invest the
majority of their assets in real estate mortgages and similar real estate
interests and derive income primarily from the collection of interest payments.
REITs are not taxed on income distributed to shareholders provided they comply
with the applicable requirements of the Code. The fund will indirectly bear its
proportionate share of any management and other expenses paid by REITs in which
it invests in addition to the expenses paid by the fund. Such indirect expenses
are not reflected in the fee table or expense example in the fund's prospectus.
Debt securities issued by REITs are, for the most part, general and unsecured
obligations and are subject to risks associated with REITs.

Investing in REITs involves certain unique risks in addition to those risks
associated with investing in the real estate industry in general. An equity
REIT may be affected by changes in the value of the underlying properties owned
by the REIT. A mortgage REIT may be affected by changes in interest rates and
the ability of the issuers of its portfolio mortgages to repay their
obligations. Mortgage REITs are subject to the risks of default of the
mortgages or mortgage-related securities in which they invest, and REITs that
invest in so-called "sub-prime" mortgages are particularly subject to this
risk. REITs are dependent upon the skills of their managers and are not
diversified. REITs are generally dependent upon maintaining cash flows to repay
borrowings and to make distributions to shareholders and are subject to the
risk of default by lessees or borrowers. REITs are typically invested in a
limited number of projects or in a particular market segment



                                       10
<PAGE>


or geographic region. REITs whose underlying assets are concentrated in
properties in one geographic area or used by a particular industry, such as
health care, will be particularly subject to risks associated with such area or
industry.


REITs (especially mortgage REITs) are also subject to interest rate risks. When
interest rates decline, the value of a REIT's investment in fixed rate
obligations can be expected to rise. Conversely, when interest rates rise, the
value of a REIT's investment in fixed rate obligations can be expected to
decline. If the REIT invests in adjustable rate mortgage loans, the interest
rates on which are reset periodically, yields on a REIT's investments in such
loans will gradually align themselves to reflect changes in market interest
rates. This causes the value of such investments to fluctuate less dramatically
in response to interest rate fluctuations than would investments in fixed rate
obligations.

REITs may have limited financial resources, may trade less frequently and in a
limited volume and may be subject to more abrupt or erratic price movements
than larger company securities. Historically REITs have been more volatile in
price than the larger capitalization stocks included in the S&P 500.


Many real estate companies, including REITs, utilize leverage (and some may be
highly leveraged), which increases investment risk and could adversely affect a
real estate company's operations and market value. Mortgage REITs tend to be
more leveraged than equity REITs. In addition, many mortgage REITs manage their
interest rate and credit risks through the use of derivatives and other hedging
techniques. In addition, capital to pay or refinance a REIT's debt may not be
available or reasonably priced. Financial covenants related to real estate
company leveraging may affect the company's ability to operate effectively.



DERIVATIVE INSTRUMENTS


DERIVATIVES
The fund may, but is not required to, use futures and options on securities,
indices and currencies, forward foreign currency exchange contracts and other
derivatives. A derivative is a security or instrument whose value is determined
by reference to the value or the change in value of one or more securities,
currencies, indices or other financial instruments. The fund may use
derivatives for a variety of purposes, including: in an attempt to hedge
against adverse changes in the market prices of securities, interest rates or
currency exchange rates; as a substitute for purchasing or selling securities;
to attempt to increase the fund's return as a non-hedging strategy that may be
considered speculative; to manage portfolio characteristics (for example, for
funds investing in securities denominated in non-U.S. currencies, a portfolio's
currency exposure, or, for funds investing in fixed income securities, a
portfolio's duration or credit quality); and as a cash flow management
technique. The fund may choose not to make use of derivatives for a variety of
reasons, and any use may be limited by applicable law and regulations.

Using derivatives exposes the fund to additional risks and may increase the
volatility of the fund's net asset value and may not provide the expected
result. Derivatives may have a leveraging effect on the portfolio. Leverage
generally magnifies the effect of a change in the value of an asset and creates
a risk of loss of value in a larger pool of assets than the fund would
otherwise have had. Therefore, using derivatives can disproportionately
increase losses and reduce opportunities for gain. If changes in a derivative's
value do not correspond to changes in the value of the fund's other investments
or do not correlate well with the underlying assets, rate or index, the fund
may not fully benefit from, or could lose money on, or could experience
unusually high expenses as a result of, the derivative position. Derivatives
involve the risk of loss if the counterparty defaults on its obligation.
Certain derivatives may be less liquid, which may reduce the returns of the
fund if it cannot sell or terminate the derivative at an advantageous time or
price. The fund also may have to sell assets at inopportune times to satisfy
its obligations. The fund may not be able to purchase or sell a portfolio
security at a time that would otherwise be favorable for it to do so, or may
have to sell a portfolio security at a disadvantageous time or price to
maintain cover or to segregate securities


                                       11
<PAGE>

in connection with its use of derivatives. Some derivatives may involve the
risk of improper valuation. Suitable derivatives may not be available in all
circumstances or at reasonable prices and may not be used by the fund for a
variety of reasons.

Financial reform laws enacted after the financial crisis of 2008-2009, such as
the Dodd-Frank Wall Street Reform and Consumer Protection Act ("Dodd-Frank"),
are changing many aspects of financial regulation applicable to derivatives.
For instance, Dodd-Frank calls for the comprehensive regulation of swaps by the
Commodity Futures Trading Commission (the "CFTC") and the Securities and
Exchange Commission (the "SEC"). The CFTC and the SEC are in the process of
adopting and implementing new regulations applicable to these instruments,
including rules with respect to recordkeeping, reporting, business conduct,
relationship documentation, margin, collateral, clearing, and trade execution
requirements. In addition, Dodd-Frank requires the registration of certain
parties that deal or engage in substantial trading, execution or advisory
activities in the markets for swaps. The extent and impact of these regulations
are not yet fully known and may not be known for some time.

The fund's use of derivatives may be affected by other applicable laws and
regulations and may be subject to review by the SEC, the CFTC, exchange and
market authorities and other regulators in the United States and abroad. The
fund's ability to use derivatives may be limited by tax considerations.

Certain derivatives transactions, including certain options, swaps, forward
contracts, and certain options on foreign currencies, are entered into directly
by the counterparties or through financial institutions acting as market makers
(OTC derivatives), rather than being traded on exchanges or in markets
registered with the CFTC or the SEC. Many of the protections afforded to
exchange participants will not be available to participants in OTC derivatives
transactions. For example, OTC derivatives transactions are not subject to the
guarantee of an exchange, and only OTC derivatives that are either required to
be cleared or submitted voluntarily for clearing to a clearinghouse will enjoy
all of the protections that central clearing provides against default by the
original counterparty to the trade. In an OTC derivatives transaction that is
not cleared, the fund bears the risk of default by its counterparty. In a
cleared derivatives transaction, the fund is instead exposed to the risk of
default of the clearinghouse and, to the extent the fund has posted any margin,
the risk of default of the broker through which it has entered into the
transaction. Information available on counterparty creditworthiness may be
incomplete or outdated, thus reducing the ability to anticipate counterparty
defaults.

Derivatives involve operational risk. There may be incomplete or erroneous
documentation or inadequate collateral or margin, or transactions may fail to
settle. For derivatives not guaranteed by an exchange or clearinghouse, the
fund may have only contractual remedies in the event of a counterparty default,
and there may be delays, costs, or disagreements as to the meaning of
contractual terms and litigation in enforcing those remedies.

Swap contracts that are required to be cleared must be traded on a regulated
execution facility or contract market that makes them available for trading.
The establishment of a centralized exchange or market for swap transactions may
disrupt or limit the swap market and may not result in swaps being easier to
trade or value. Market-traded swaps may become more standardized, and the fund
may not be able to enter into swaps that meet its investment needs. The fund
also may not be able to find a clearinghouse willing to accept the swaps for
clearing. The new regulations may make using swaps more costly, may limit their
availability, or may otherwise adversely affect their value or performance.
Risks associated with the use of derivatives are magnified to the extent that a
large portion of the fund's assets are committed to derivatives in general or
are invested in just one or a few types of derivatives.


OPTIONS ON SECURITIES AND SECURITIES INDICES
The fund may purchase and write put and call options on any security in which
it may invest or options on any securities index based on securities in which
it may invest. The fund may also be able to enter into closing sale
transactions in order to realize gains or minimize losses on options it has
purchased.


                                       12
<PAGE>

WRITING CALL AND PUT OPTIONS ON SECURITIES. A call option written by the fund
obligates the fund to sell specified securities to the holder of the option at
a specified price if the option is exercised at any time before the expiration
date. The exercise price may differ from the market price of an underlying
security. The fund has the risk of loss that the price of an underlying
security may decline during the call period. The risk may be offset to some
extent by the premium the fund receives. If the value of the investment does
not rise above the call price, it's likely that the call will lapse without
being exercised. In that case, the fund would keep the cash premium and the
investment. All call options written by the fund are covered, which means that
the fund will own the securities subject to the options as long as the options
are outstanding, or the fund will use the other methods described below. The
fund's purpose in writing covered call options is to realize greater income
than would be realized on portfolio securities transactions alone. However, the
fund may forgo the opportunity to profit from an increase in the market price
of the underlying security.

A put option written by the fund would obligate the fund to purchase specified
securities from the option holder at a specified price if the option is
exercised at any time before the expiration date. The fund has no control over
when it may be required to purchase the underlying securities. All put options
written by the fund would be covered, which means that the fund would have
segregated assets with a value at least equal to the exercise price of the put
option. The purpose of writing such options is to generate additional income
for the fund. However, in return for the option premium, the fund accepts the
risk that it may be required to purchase the underlying security at a price in
excess of its market value at the time of purchase.

Call and put options written by the fund will also be considered to be covered
to the extent that the fund's liabilities under such options are wholly or
partially offset by its rights under call and put options purchased by the
fund. In addition, a written call option or put may be covered by entering into
an offsetting forward contract and/or by purchasing an offsetting option or any
other option which, by virtue of its exercise price or otherwise, reduces the
fund's net exposure on its written option position.

WRITING CALL AND PUT OPTIONS ON SECURITIES INDICES. The fund may also write
(sell) covered call and put options on any securities index composed of
securities in which it may invest. Options on securities indices are similar to
options on securities, except that the exercise of securities index options
requires cash payments and does not involve the actual purchase or sale of
securities. In addition, securities index options are designed to reflect price
fluctuations in a group of securities or segments of the securities market
rather than price fluctuations in a single security.

The fund may cover call options on a securities index by owning securities
whose price changes are expected to be similar to those of the underlying
index, or by having an absolute and immediate right to acquire such securities
without additional cash consideration (or for additional consideration if cash
in such amount is segregated) upon conversion or exchange of other securities
in its portfolio. The fund may cover call and put options on a securities index
by segregating assets with a value equal to the exercise price.

Index options are subject to the timing risk inherent in writing index options.
When an index option is exercised, the amount of cash that the holder is
entitled to receive is determined by the difference between the exercise price
and the closing index level on the date when the option is exercised. If a fund
has purchased an index option and exercises it before the closing index value
for that day is available, it runs the risk that the level of the underlying
index may subsequently change. If such a change causes the exercised option to
fall "out-of-the-money", the fund will be required to pay cash in an amount of
the difference between the closing index value and the exercise price of the
option.

PURCHASING CALL AND PUT OPTIONS. The fund would normally purchase call options
in anticipation of an increase in the market value of securities of the type in
which it may invest. The purchase of a call option would entitle the fund, in
return for the premium paid, to purchase specified securities at a specified
price during the option period. The fund would ordinarily realize a gain if,
during the option period, the value of such securities exceeded the sum of the
exercise price, the premium paid and transaction costs; otherwise the fund
would realize either no gain or a loss on the purchase of the call option.


                                       13
<PAGE>

The fund would normally purchase put options in anticipation of a decline in
the market value of securities in its portfolio ("protective puts") or in
securities in which it may invest. The purchase of a put option would entitle
the fund, in exchange for the premium paid, to sell specified securities at a
specified price during the option period. The purchase of protective puts is
designed to offset or hedge against a decline in the market value of the fund's
securities. Put options may also be purchased by the fund for the purpose of
affirmatively benefiting from a decline in the price of securities which it
does not own. The fund would ordinarily realize a gain if, during the option
period, the value of the underlying securities decreased below the exercise
price sufficiently to more than cover the premium and transaction costs;
otherwise the fund would realize either no gain or a loss on the purchase of
the put option. Gains and losses on the purchase of protective put options
would tend to be offset by countervailing changes in the value of the
underlying portfolio securities.

The fund may terminate its obligations under an exchange-traded call or put
option by purchasing an option identical to the one it has written. Obligations
under over-the-counter options may be terminated only by entering into an
offsetting transaction with the counterparty to such option. Such purchases are
referred to as "closing purchase transactions."

OPTIONS SPREADS AND STRADDLES. Option spread and straddle transactions require
a fund to purchase and/or write more than one option simultaneously. A fund may
engage in option spread transactions in which it purchases and writes put or
call options on the same underlying instrument, with the options having
different exercise prices and/or expiration dates.

A fund also may engage in option straddles, in which it purchases or sells
combinations of put and call options on the same instrument. A long straddle is
a combination of a call and a put option purchased on the same security where
the exercise price of the put is less than or equal to the exercise price of
the call. A short straddle is a combination of a call and a put written on the
same security where the exercise price of the put is less than or equal to the
exercise price of the call and where the same issue of security or currency is
considered cover for both the put and the call.

RISKS OF TRADING OPTIONS. There is no assurance that a liquid secondary market
on an options exchange will exist for any particular exchange-traded option, or
at any particular time. If the fund is unable to effect a closing purchase
transaction with respect to covered options it has written, the fund will not
be able to sell the underlying securities or dispose of its segregated assets
until the options expire or are exercised. Similarly, if the fund is unable to
effect a closing sale transaction with respect to options it has purchased, it
will have to exercise the options in order to realize any profit and will incur
transaction costs upon the purchase or sale of underlying securities.

Reasons for the absence of a liquid secondary market on an exchange include the
following: (i) there may be insufficient trading interest in certain options;
(ii) restrictions may be imposed by an exchange on opening or closing
transactions or both; (iii) trading halts, suspensions or other restrictions
may be imposed with respect to particular classes or series of options; (iv)
unusual or unforeseen circumstances may interrupt normal operations on an
exchange; (v) the facilities of an exchange or the Options Clearing Corporation
(the "OCC") may not at all times be adequate to handle current trading volume;
or (vi) one or more exchanges could, for economic or other reasons, decide or
be compelled at some future date to discontinue the trading of options (or a
particular class or series of options), in which event the secondary market on
that exchange (or in that class or series of options) would cease to exist,
although it is expected that outstanding options on that exchange, if any, that
had been issued by the OCC as a result of trades on that exchange would
continue to be exercisable in accordance with their terms.

The fund may purchase and sell both options that are traded on U.S. and
non-U.S. exchanges and options traded over-the-counter with broker-dealers who
make markets in these options. The ability to terminate over-the-counter
options is more limited than with exchange-traded options and may involve the
risk that broker-dealers participating in such transactions will not fulfill
their obligations. Until such time as the staff of the SEC changes its
position, the fund will treat purchased over-the-counter options and all assets
used


                                       14
<PAGE>

to cover written over-the-counter options as illiquid securities, except that
with respect to options written with primary dealers in U.S. government
securities pursuant to an agreement requiring a closing purchase transaction at
a formula price, the amount of illiquid securities may be calculated with
reference to the formula.

Transactions by the fund in options on securities and indices will be subject
to limitations established by each of the exchanges, boards of trade or other
trading facilities governing the maximum number of options in each class which
may be written or purchased by a single investor or group of investors acting
in concert. Thus, the number of options which the fund may write or purchase
may be affected by options written or purchased by other investment advisory
clients of Pioneer. An exchange, board of trade or other trading facility may
order the liquidations of positions found to be in excess of these limits, and
it may impose certain other sanctions.

The writing and purchase of options is a highly specialized activity which
involves investment techniques and risks different from those associated with
ordinary portfolio securities transactions. The successful use of protective
puts for hedging purposes depends in part on the ability of Pioneer to predict
future price fluctuations and the degree of correlation between the options and
securities markets.

The hours of trading for options may not conform to the hours during which the
underlying securities are traded. To the extent that the options markets close
before the markets for the underlying securities, significant price movements
can take place in the underlying markets that cannot be reflected in the
options markets.

In addition to the risks of imperfect correlation between the portfolio and the
index underlying the option, the purchase of securities index options involves
the risk that the premium and transaction costs paid by the fund in purchasing
an option will be lost. This could occur as a result of unanticipated movements
in the price of the securities comprising the securities index on which the
option is based.


FUTURES CONTRACTS AND OPTIONS ON FUTURES CONTRACTS
The fund may purchase and sell various kinds of futures contracts, and purchase
and write (sell) call and put options on any of such futures contracts. The
fund may enter into closing purchase and sale transactions with respect to any
futures contracts and options on futures contracts. The futures contracts may
be based on various securities (such as U.S. government securities), securities
indices, foreign currencies and other financial instruments and indices. The
fund may invest in futures contracts based on the Chicago Board of Exchange
Volatility Index ("VIX Futures"). The VIX is an index of market sentiment
derived from the S&P 500 option prices, and is designed to reflect investors'
consensus view of expected stock market volatility over future periods. The
fund will engage in futures and related options transactions for bona fide
hedging and non-hedging purposes as described below. All futures contracts
entered into by the fund are traded on U.S. exchanges or boards of trade that
are licensed and regulated by the CFTC or on non-U.S. exchanges.

FUTURES CONTRACTS. A futures contract may generally be described as an
agreement between two parties to buy and sell particular financial instruments
for an agreed price during a designated month (or to deliver the final cash
settlement price, in the case of a contract relating to an index or otherwise
not calling for physical delivery at the end of trading in the contract).

When interest rates are rising or securities prices are falling, the fund can
seek to offset a decline in the value of its current portfolio securities
through the sale of futures contracts. When interest rates are falling or
securities prices are rising, the fund, through the purchase of futures
contracts, can attempt to secure better rates or prices than might later be
available in the market when it effects anticipated purchases. Similarly, the
fund can sell futures contracts on a specified currency to protect against a
decline in the value of such currency and a decline in the value of its
portfolio securities which are denominated in such currency. The fund can
purchase futures contracts on a foreign currency to establish the price in U.S.
dollars of a security denominated in such currency that the fund has acquired
or expects to acquire.


                                       15
<PAGE>

Positions taken in the futures markets are not normally held to maturity but
are instead liquidated through offsetting transactions which may result in a
profit or a loss. While futures contracts on securities or currency will
usually be liquidated in this manner, the fund may instead make, or take,
delivery of the underlying securities or currency whenever it appears
economically advantageous to do so. A clearing corporation associated with the
exchange on which futures on securities or currency are traded guarantees that,
if still open, the sale or purchase will be performed on the settlement date.

HEDGING STRATEGIES. Hedging, by use of futures contracts, seeks to establish
with more certainty the effective price, rate of return and currency exchange
rate on portfolio securities and securities that the fund owns or proposes to
acquire. The fund may, for example, take a "short" position in the futures
market by selling futures contracts in order to hedge against an anticipated
rise in interest rates or a decline in market prices or foreign currency rates
that would adversely affect the value of the fund's securities. Such futures
contracts may include contracts for the future delivery of securities held by
the fund or securities with characteristics similar to those of the fund's
securities. Similarly, the fund may sell futures contracts in a foreign
currency in which its portfolio securities are denominated or in one currency
to hedge against fluctuations in the value of securities denominated in a
different currency if there is an established historical pattern of correlation
between the two currencies. If, in the opinion of Pioneer, there is a
sufficient degree of correlation between price trends for the fund's securities
and futures contracts based on other financial instruments, securities indices
or other indices, the fund may also enter into such futures contracts as part
of its hedging strategies. Although under some circumstances prices of
securities in the portfolio may be more or less volatile than prices of such
futures contracts, Pioneer will attempt to estimate the extent of this
volatility difference based on historical patterns and compensate for any such
differential by having the fund enter into a greater or lesser number of
futures contracts or by attempting to achieve only a partial hedge against
price changes affecting the fund's securities. When hedging of this character
is successful, any depreciation in the value of portfolio securities will be
substantially offset by appreciation in the value of the futures position. On
the other hand, any unanticipated appreciation in the value of the portfolio
securities would be substantially offset by a decline in the value of the
futures position.

On other occasions, the fund may take a "long" position by purchasing futures
contracts. This may be done, for example, when the fund anticipates the
subsequent purchase of particular securities when it has the necessary cash,
but expects the prices or currency exchange rates then available in the
applicable market to be less favorable than prices or rates that are currently
available.

OPTIONS ON FUTURES CONTRACTS. The acquisition of put and call options on
futures contracts will give the fund the right (but not the obligation) for a
specified price to sell or to purchase, respectively, the underlying futures
contract at any time during the option period. As the purchaser of an option on
a futures contract, the fund obtains the benefit of the futures position if
prices move in a favorable direction, but limits its risk of loss in the event
of an unfavorable price movement to the loss of the premium and transaction
costs.

The writing of a call option on a futures contract generates a premium which
may partially offset a decline in the value of the fund's assets. By writing a
call option, the fund becomes obligated, in exchange for the premium, to sell a
futures contract (if the option is exercised), which may have a value higher
than the exercise price. Conversely, the writing of a put option on a futures
contract generates a premium which may partially offset an increase in the
price of securities that the fund intends to purchase. However, the fund
becomes obligated to purchase a futures contract (if the option is exercised)
which may have a value lower than the exercise price. Thus, the loss incurred
by the fund in writing options on futures is potentially unlimited and may
exceed the amount of the premium received. The fund will incur transaction
costs in connection with the writing of options on futures.

The holder or writer of an option on a futures contract may terminate its
position by selling or purchasing an offsetting option on the same series.
There is no guarantee that such closing transactions can be effected. The
fund's ability to establish and close out positions on such options will be
subject to the development and maintenance of a liquid market.


                                       16
<PAGE>

OTHER CONSIDERATIONS REGARDING FUTURES CONTRACTS. The fund will engage in
transactions in futures contracts and related options only to the extent such
transactions are consistent with the requirements of the Code for maintaining
its qualification as a regulated investment company for U.S. federal income tax
purposes.

Futures contracts and related options involve brokerage costs, require margin
deposits and, in the case of contracts and options obligating the fund to
purchase securities or currencies, require the fund to segregate assets to
cover such contracts and options.

While transactions in futures contracts and options on futures may reduce
certain risks, such transactions themselves entail certain other risks. Thus,
while the fund may benefit from the use of futures and options on futures,
unanticipated changes in interest rates, securities prices or currency exchange
rates may result in a poorer overall performance for the fund than if it had
not entered into any futures contracts or options transactions. When futures
contracts and options are used for hedging purposes, perfect correlation
between the fund's futures positions and portfolio positions may be impossible
to achieve, particularly where futures contracts based on individual securities
are currently not available. In the event of an imperfect correlation between a
futures position and a portfolio position which is intended to be protected,
the desired protection may not be obtained and the fund may be exposed to risk
of loss. It is not possible to hedge fully or perfectly against the effect of
currency fluctuations on the value of non-U.S. securities because currency
movements impact the value of different securities in differing degrees.

If the fund were unable to liquidate a futures contract or an option on a
futures position due to the absence of a liquid secondary market, the
imposition of price limits or otherwise, it could incur substantial losses. The
fund would continue to be subject to market risk with respect to the position.
In addition, except in the case of purchased options, the fund would continue
to be required to make daily variation margin payments and might be required to
maintain the position being hedged by the future or option or to maintain cash
or securities in a segregated account.


EQUITY SWAPS, CAPS, FLOORS AND COLLARS
The fund may enter into equity swaps, caps, floors and collars to hedge assets
or liabilities or to seek to increase total return. Equity swaps involve the
exchange by a fund with another party of their respective commitments to make
or receive payments based on notional equity securities. The purchase of an
equity cap entitles the purchaser, to the extent that the market value of a
specified equity security or benchmark exceeds a predetermined level, to
receive payments of a contractually based amount from the party selling the
cap. The purchase of an equity floor entitles the purchaser, to the extent that
the market value of a specified equity security or benchmark falls below a
predetermined level, to receive payments of a contractually based amount from
the party selling the floor. A collar is a combination of a cap and a floor
that preserves a certain return within a predetermined range of values.
Investments in swaps, caps, floors and collars are highly specialized
activities which involve investment techniques and risks different from those
associated with ordinary portfolio transactions. Investments in equity swaps,
caps, floors and collars may be considered speculative because they involve
significant risk of loss. If Pioneer is incorrect in its forecast of market
values, these investments could negatively impact the fund's performance. These
investments also are subject to default risk of the counterparty and may be
less liquid than other portfolio securities. Moreover, investments in swaps,
caps, floors and collars may involve greater transaction costs than investments
in other equity securities.


FINANCIAL FUTURES AND OPTIONS TRANSACTIONS
Pioneer has claimed an exclusion from registration as a "commodity pool
operator" with respect to the fund under the Commodity Exchange Act (the
"CEA"), and, therefore, Pioneer will not, with respect to its management of the
fund, be subject to registration or regulation as a commodity pool operator.


                                       17
<PAGE>

Under this exemption, the fund will remain limited in its ability to trade
instruments subject to the jurisdiction of the CFTC, including commodity
futures (which include futures on broad-based securities indexes and interest
rate futures), options on commodity futures and swaps. This limitation also
applies with respect to any indirect exposure that the fund may have to these
instruments through investments in other funds. Pioneer may have to rely on
representations from the underlying fund's manager about the amount (or maximum
permitted amount) of investment exposure that the underlying fund has to
instruments such as commodity futures, options on commodity futures and swaps.

Under this exemption, the fund must satisfy one of the following two trading
limitations at all times: (1) the aggregate initial margin and premiums
required to establish the fund's positions in commodity futures, options on
commodity futures, swaps and other CFTC-regulated instruments may not exceed 5%
of the liquidation value of the fund's portfolio (after accounting for
unrealized profits and unrealized losses on any such investments); or (2) the
aggregate net notional value of such instruments, determined at the time the
most recent position was established, may not exceed 100% of the liquidation
value of the fund's portfolio (after accounting for unrealized profits and
unrealized losses on any such positions). The fund would not be required to
consider its exposure to such instruments if they were held for "bona fide
hedging" purposes, as such term is defined in the rules of the CFTC. In
addition to meeting one of the foregoing trading limitations, the fund may not
market itself as a commodity pool or otherwise as a vehicle for trading in the
markets for CFTC-regulated instruments.


DEBT SECURITIES AND RELATED INVESTMENTS


DEBT SECURITIES SELECTION
In selecting debt securities for the fund, Pioneer gives primary consideration
to the fund's investment objective, the attractiveness of the market for debt
securities given the outlook of Pioneer for the equity markets and the fund's
liquidity requirements. Once Pioneer determines to allocate a portion of the
fund's assets to debt securities, Pioneer generally focuses on short-term
instruments to provide liquidity and may invest in a range of fixed income
securities if the fund is investing in such instruments for income or capital
gains. Pioneer selects individual securities based on broad economic factors
and issuer-specific factors including the terms of the securities (such as
yields compared to U.S. Treasuries or comparable issues), liquidity and rating,
sector and issuer diversification.


DEBT SECURITIES RATING INFORMATION
Investment grade debt securities are those rated "BBB" or higher by Standard &
Poor's Ratings Group ("Standard & Poor's") or the equivalent rating of other
nationally recognized statistical rating organizations. Debt securities rated
BBB are considered medium grade obligations with speculative characteristics,
and adverse economic conditions or changing circumstances may weaken the
issuer's ability to pay interest and repay principal.

Below investment grade debt securities are those rated "BB" and below by
Standard & Poor's or the equivalent rating of other nationally recognized
statistical rating organizations. See "Appendix A" for a description of rating
categories. The fund may invest in debt securities rated "C" or better, or
comparable unrated securities as determined by Pioneer.

Below investment grade debt securities or comparable unrated securities are
commonly referred to as "junk bonds" and are considered predominantly
speculative and may be questionable as to principal and interest payments.
Changes in economic conditions are more likely to lead to a weakened capacity
to make principal payments and interest payments. The issuers of high yield
securities also may be more adversely affected than issuers of higher rated
securities by specific corporate or governmental developments or the issuers'
inability to meet specific projected business forecasts. The amount of high
yield securities outstanding has proliferated as an increasing number of
issuers have used high yield securities for corporate financing. The recent
economic downturn has severely affected the ability of many highly leveraged
issuers to service their debt obligations or to repay their obligations upon
maturity. Factors having an adverse


                                       18
<PAGE>

impact on the market value of lower quality securities will have an adverse
effect on the fund's net asset value to the extent that it invests in such
securities. In addition, the fund may incur additional expenses to the extent
it is required to seek recovery upon a default in payment of principal or
interest on its portfolio holdings or to take other steps to protect its
investment in an issuer.

The secondary market for high yield securities is not usually as liquid as the
secondary market for more highly rated securities, a factor which may have an
adverse effect on the fund's ability to dispose of a particular security when
necessary to meet its liquidity needs. Under adverse market or economic
conditions, such as those recently prevailing, the secondary market for high
yield securities could contract further, independent of any specific adverse
changes in the condition of a particular issuer. As a result, the fund could
find it more difficult to sell these securities or may be able to sell the
securities only at prices lower than if such securities were widely traded.
Prices realized upon the sale of such lower rated or unrated securities, under
these and other circumstances, may be less than the prices used in calculating
the fund's net asset value.

Since investors generally perceive that there are greater risks associated with
lower quality debt securities of the type in which the fund may invest, the
yields and prices of such securities may tend to fluctuate more than those for
higher rated securities. In the lower quality segments of the debt securities
market, changes in perceptions of issuers' creditworthiness tend to occur more
frequently and in a more pronounced manner than do changes in higher quality
segments of the debt securities market, resulting in greater yield and price
volatility.

Lower rated and comparable unrated debt securities tend to offer higher yields
than higher rated securities with the same maturities because the historical
financial condition of the issuers of such securities may not have been as
strong as that of other issuers. However, lower rated securities generally
involve greater risks of loss of income and principal than higher rated
securities.

For purposes of the fund's credit quality policies, if a security receives
different ratings from nationally recognized statistical rating organizations,
the fund will use the rating chosen by the portfolio manager as most
representative of the security's credit quality. The ratings of nationally
recognized statistical rating organizations represent their opinions as to the
quality of the securities that they undertake to rate and may not accurately
describe the risk of the security. If a rating organization changes the quality
rating assigned to one or more of the fund's portfolio securities, Pioneer will
consider if any action is appropriate in light of the fund's investment
objective and policies.


U.S. GOVERNMENT SECURITIES
U.S. government securities in which the fund invests include debt obligations
of varying maturities issued by the U.S. Treasury or issued or guaranteed by an
agency, authority or instrumentality of the U.S. government, including the
Federal Housing Administration, Federal Financing Bank, Farm Service Agency,
Export-Import Bank of the U.S., Small Business Administration, Government
National Mortgage Association ("GNMA"), General Services Administration,
National Bank for Cooperatives, Federal Farm Credit Banks, Federal Home Loan
Banks ("FHLBs"), Federal Home Loan Mortgage Corporation ("FHLMC"), Federal
National Mortgage Association ("FNMA"), Maritime Administration, Tennessee
Valley Authority and various institutions that previously were or currently are
part of the Farm Credit System (which has been undergoing reorganization since
1987). Some U.S. government securities, such as U.S. Treasury bills, Treasury
notes and Treasury bonds, which differ only in their interest rates, maturities
and times of issuance, are supported by the full faith and credit of the United
States. Others are supported by: (i) the right of the issuer to borrow from the
U.S. Treasury, such as securities of the FHLBs; (ii) the discretionary
authority of the U.S. government to purchase the agency's obligations, such as
securities of FNMA; or (iii) only the credit of the issuer. Such debt
securities are subject to the risk of default on the payment of interest and/or
principal, similar to debt of private issuers. The maximum potential liability
of some U.S. government securities may greatly exceed their current resources,
including any legal right to support from the U.S. government. Although the
U.S. government provided financial support to FNMA and FHLMC in the past, no
assurance can be given that


                                       19
<PAGE>

the U.S. government will provide financial support in the future to these or
other U.S. government agencies, authorities or instrumentalities that are not
supported by the full faith and credit of the United States. Securities
guaranteed as to principal and interest by the U.S. government, its agencies,
authorities or instrumentalities include: (i) securities for which the payment
of principal and interest is backed by an irrevocable letter of credit issued
by the U.S. government or any of its agencies, authorities or
instrumentalities; and (ii) participations in loans made to non-U.S.
governments or other entities that are so guaranteed. The secondary market for
certain loan participations described above is limited and, therefore, the
participations may be regarded as illiquid.

U.S. government securities may include zero coupon securities that may be
purchased when yields are attractive and/or to enhance portfolio liquidity.
Zero coupon U.S. government securities are debt obligations that are issued or
purchased at a significant discount from face value. The discount approximates
the total amount of interest the security will accrue and compound over the
period until maturity or the particular interest payment date at a rate of
interest reflecting the market rate of the security at the time of issuance.
Zero coupon U.S. government securities do not require the periodic payment of
interest. These investments may experience greater volatility in market value
than U.S. government securities that make regular payments of interest. The
fund accrues income on these investments for tax and accounting purposes, which
is distributable to shareholders and which, because no cash is received at the
time of accrual, may require the liquidation of other portfolio securities to
satisfy the fund's distribution obligations, in which case the fund will forgo
the purchase of additional income producing assets with these funds. Zero
coupon U.S. government securities include STRIPS and CUBES, which are issued by
the U.S. Treasury as component parts of U.S. Treasury bonds and represent
scheduled interest and principal payments on the bonds.


CONVERTIBLE DEBT SECURITIES
The fund may invest in convertible debt securities which are debt obligations
convertible at a stated exchange rate or formula into common stock or other
equity securities. Convertible securities rank senior to common stocks in an
issuer's capital structure and consequently may be of higher quality and entail
less risk than the issuer's common stock. As with all debt securities, the
market values of convertible securities tend to increase when interest rates
decline and, conversely, tend to decline when interest rates increase.
Depending on the relationship of the conversion price to the market value of
the underlying securities, convertible securities may trade more like equity
securities than debt securities.

A convertible security entitles the holder to receive interest that is
generally paid or accrued until the convertible security matures, or is
redeemed, converted, or exchanged. Convertible securities have unique
investment characteristics, in that they generally (i) have higher yields than
common stocks, but lower yields than comparable non-convertible securities,
(ii) are less subject to fluctuation in value than the underlying common stock
due to their fixed-income characteristics and (iii) provide the potential for
capital appreciation if the market price of the underlying common stock
increases. A convertible security may be subject to redemption at the option of
the issuer at a price established in the convertible security's governing
instruments. If a convertible security held by the fund is called for
redemption, the fund will be required to permit the issuer to redeem the
security, convert it into the underlying common stock or sell it to a third
party. Any of these actions could result in losses to the fund.


OTHER INVESTMENTS AND INVESTMENT TECHNIQUES


SHORT-TERM INVESTMENTS
For temporary defensive or cash management purposes, the fund may invest in all
types of short-term investments including, but not limited to, (a) commercial
paper and other short-term commercial obligations; (b) obligations (including
certificates of deposit and bankers' acceptances) of banks; (c) obligations
issued or guaranteed by a governmental issuer, including governmental agencies
or instrumentalities; (d) fixed income securities of non-governmental issuers;
and (e) other cash equivalents or cash. Subject to the fund's restrictions
regarding investment in non-U.S. securities, these securities may be
denominated in


                                       20
<PAGE>

any currency. Although these investments generally are rated investment grade
or are determined by Pioneer to be of equivalent credit quality, the fund may
also invest in these instruments if they are rated below investment grade in
accordance with its investment objective, policies and restrictions.


ILLIQUID SECURITIES
The fund may invest up to 15% of its net assets in illiquid and other
securities that are not readily marketable. If due to subsequent fluctuations
in value or any other reasons, the value of the fund's illiquid securities
exceeds this percentage limitation, the fund will consider what actions, if
any, are necessary to maintain adequate liquidity. Repurchase agreements
maturing in more than seven days will be included for purposes of the foregoing
limit. Securities subject to restrictions on resale under the Securities Act of
1933, as amended (the "1933 Act"), are considered illiquid unless they are
eligible for resale pursuant to Rule 144A or another exemption from the
registration requirements of the 1933 Act and are determined to be liquid by
Pioneer. Pioneer determines the liquidity of Rule 144A and other restricted
securities according to procedures adopted by the Board of Trustees. Under the
direction of the Board of Trustees, Pioneer monitors the application of these
guidelines and procedures. The inability of the fund to dispose of illiquid
investments readily or at reasonable prices could impair the fund's ability to
raise cash for redemptions or other purposes. If the fund sold restricted
securities other than pursuant to an exception from registration under the 1933
Act such as Rule 144A, it may be deemed to be acting as an underwriter and
subject to liability under the 1933 Act.


REPURCHASE AGREEMENTS
The fund may enter into repurchase agreements with broker-dealers, member banks
of the Federal Reserve System and other financial institutions. Repurchase
agreements are arrangements under which the fund purchases securities and the
seller agrees to repurchase the securities within a specific time and at a
specific price. The repurchase price is generally higher than the fund's
purchase price, with the difference being income to the fund. A repurchase
agreement may be considered a loan by the fund collateralized by securities.
Under the direction of the Board of Trustees, Pioneer reviews and monitors the
creditworthiness of any institution which enters into a repurchase agreement
with the fund. The counterparty's obligations under the repurchase agreement
are collateralized with U.S. Treasury and/or agency obligations with a market
value of not less than 100% of the obligations, valued daily. Collateral is
held by the fund's custodian in a segregated, safekeeping account for the
benefit of the fund. Repurchase agreements afford the fund an opportunity to
earn income on temporarily available cash. In the event of commencement of
bankruptcy or insolvency proceedings with respect to the seller of the security
before repurchase of the security under a repurchase agreement, the fund may
encounter delay and incur costs before being able to sell the security. Such a
delay may involve loss of interest or a decline in price of the security. If
the court characterizes the transaction as a loan and the fund has not
perfected a security interest in the security, the fund may be required to
return the security to the seller's estate and be treated as an unsecured
creditor of the seller. As an unsecured creditor, the fund would be at risk of
losing some or all of the principal and interest involved in the transaction.
There is no specific limit on the fund's ability to enter into repurchase
agreements. The SEC frequently treats repurchase agreements as loans for
purposes of the 1940 Act.


REVERSE REPURCHASE AGREEMENTS
Reverse repurchase agreements involve the sale of securities to a bank or other
institution with an agreement that the fund will buy back the securities at a
fixed future date at a fixed price plus an agreed amount of "interest" which
may be reflected in the repurchase price. Reverse repurchase agreements involve
the risk that the market value of securities purchased by the fund with
proceeds of the transaction may decline below the repurchase price of the
securities sold by the fund that it is obligated to repurchase. The fund will
also continue to be subject to the risk of a decline in the market value of the
securities sold under the agreements because it will reacquire those securities
upon effecting their repurchase. Reverse repurchase agreements may be
considered to be a type of borrowing. The 1940 Act permits a fund to borrow
money


                                       21
<PAGE>

in amounts of up to one-third of the fund's total assets from banks for any
purpose and up to 5% of the fund's total assets from banks and other lenders
for temporary purposes. The fund will segregate assets in an amount at least
equal to the repurchase price of the securities.


SHORT SALES AGAINST THE BOX
The fund may sell securities "short against the box." A short sale involves the
fund borrowing securities from a broker and selling the borrowed securities.
The fund has an obligation to return securities identical to the borrowed
securities to the broker. In a short sale against the box, the fund at all
times owns an equal amount of the security sold short or securities convertible
into or exchangeable for, with or without payment of additional consideration,
an equal amount of the security sold short. The fund intends to use short sales
against the box to hedge. For example when the fund believes that the price of
a current portfolio security may decline, the fund may use a short sale against
the box to lock in a sale price for a security rather than selling the security
immediately. In such a case, any future losses in the fund's long position
should be offset by a gain in the short position and, conversely, any gain in
the long position should be reduced by a loss in the short position. The fund
may engage in short sales of securities only against the box.

If the fund effects a short sale against the box at a time when it has an
unrealized gain on the security, it may be required to recognize that gain as
if it had actually sold the security (a "constructive sale") on the date it
effects the short sale. However, such constructive sale treatment may not apply
if the fund closes out the short sale with securities other than the
appreciated securities held at the time of the short sale provided that certain
other conditions are satisfied. Uncertainty regarding the tax consequences of
effecting short sales may limit the extent to which the fund may make short
sales against the box.


DOLLAR ROLLS
The fund may enter into mortgage "dollar rolls" in which the fund sells
securities for delivery in the current month and simultaneously contracts with
the same counterparty to repurchase similar (same type, coupon and maturity),
but not identical securities on a specified future date. During the roll
period, the fund loses the right to receive principal and interest paid on the
securities sold. However, the fund would benefit to the extent of any
difference between the price received for the securities sold and the lower
forward price for the future purchase (often referred to as the "drop") or fee
income plus the interest earned on the cash proceeds of the securities sold
until the settlement date of the forward purchase. Unless such benefits exceed
the income, capital appreciation and gain or loss due to mortgage prepayments
that would have been realized on the securities sold as part of the mortgage
dollar roll, the use of this technique will diminish the investment performance
of the fund compared with what such performance would have been without the use
of mortgage dollar rolls. All cash proceeds will be invested in instruments
that are permissible investments for the fund. The fund will hold and maintain
in a segregated account until the settlement date cash or liquid securities in
an amount equal to its forward purchase price.

For financial reporting and tax purposes, the fund treats mortgage dollar rolls
as two separate transactions; one involving the purchase of a security and a
separate transaction involving a sale.

Dollar rolls involve certain risks including the following: if the
broker-dealer to whom the fund sells the security becomes insolvent, the fund's
right to purchase or repurchase the securities subject to the dollar roll may
be restricted and the instrument which the fund is required to repurchase may
be worth less than an instrument which the fund originally held. Successful use
of dollar rolls will depend upon Pioneer's ability to manage its interest rate
and prepayment exposure. There is no assurance that dollar rolls can be
successfully employed.


ASSET SEGREGATION
The 1940 Act requires that the fund segregate assets in connection with certain
types of transactions that may have the effect of leveraging the portfolio. If
the fund enters into a transaction requiring segregation, such as a forward
commitment or a reverse repurchase agreement, the custodian or Pioneer will
segregate


                                       22
<PAGE>

liquid assets in an amount required to comply with the 1940 Act. Such
segregated assets will be valued at market daily. If the aggregate value of
such segregated assets declines below the aggregate value required to satisfy
the 1940 Act, additional liquid assets will be segregated. In some instances a
fund may "cover" its obligation using other methods to the extent permitted
under the 1940 Act, orders or releases issued by the SEC thereunder, or
no-action letters or other guidance of the SEC staff.


PORTFOLIO TURNOVER
It is the policy of the fund not to engage in trading for short-term profits,
although portfolio turnover rate is not considered a limiting factor in the
execution of investment decisions for the fund. A high rate of portfolio
turnover (100% or more) involves correspondingly greater transaction costs
which must be borne by the fund and its shareholders. See "Annual Fee, Expense
and Other Information" for the fund's annual portfolio turnover rate.


LENDING OF PORTFOLIO SECURITIES
The fund may lend portfolio securities to registered broker-dealers or other
institutional investors deemed by Pioneer to be of good standing under
agreements which require that the loans be secured continuously by collateral
in the form of cash, cash equivalents, U.S. Government securities or
irrevocable letters of credit issued by banks approved by the fund. The value
of the collateral is monitored on a daily basis and the borrower is required to
maintain the collateral at an amount at least equal to the market value of the
securities loaned. The fund continues to receive the equivalent of the interest
or dividends paid by the issuer on the securities loaned and continues to have
all of the other risks associated with owning the securities. Where the
collateral received is cash, the cash will be invested and the fund will be
entitled to a share of the income earned on the investment, but will also be
subject to investment risk on the collateral and will bear the entire amount of
any loss in connection with investment of such collateral. The fund may pay
administrative and custodial fees in connection with loans of securities and,
where the collateral received is cash, the fund may pay a portion of the income
earned on the investment of collateral to the borrower, lending agent or other
intermediary. Fees and expenses paid by the fund in connection with loans of
securities are not reflected in the fee table or expense example in the fund's
prospectus. If the income earned on the investment of the cash collateral is
insufficient to pay these amounts or if the value of the securities purchased
with such cash collateral declines, the fund may take a loss on the loan. Where
the fund receives securities as collateral, the fund will earn no income on the
collateral, but will earn a fee from the borrower. The fund reserves the right
to recall loaned securities so that it may exercise voting rights on loaned
securities according to the fund's Proxy Voting Policies and Procedures.

The risk in lending portfolio securities, as with other extensions of credit,
consists of the possibility of loss to the fund due to (i) the inability of the
borrower to return the securities, (ii) a delay in receiving additional
collateral to adequately cover any fluctuations in the value of securities on
loan, (iii) a delay in recovery of the securities, or (iv) the loss of rights
in the collateral should the borrower fail financially. In addition, as noted
above, the fund continues to have market risk and other risks associated with
owning the securities on loan. Where the collateral delivered by the borrower
is cash, the fund will also have the risk of loss of principal and interest in
connection with its investment of collateral. If a borrower defaults, the value
of the collateral may decline before the fund can dispose of it. The fund will
lend portfolio securities only to firms that have been approved in advance by
Pioneer, which will monitor the creditworthiness of any such firms. However,
this monitoring may not protect the fund from loss. At no time would the value
of the securities loaned exceed 33 1/3% of the value of the fund's total
assets.


INTERFUND LENDING
To satisfy redemption requests or to cover unanticipated cash shortfalls, a
fund may enter into lending agreements ("Interfund Lending Agreements") under
which the fund would lend money and borrow money for temporary purposes
directly to and from another Pioneer fund through a credit facility ("Interfund
Loan"),


                                       23
<PAGE>

subject to meeting the conditions of an SEC exemptive order granted to the
funds permitting such interfund lending. All Interfund Loans will consist only
of uninvested cash reserves that the fund otherwise would invest in short-term
repurchase agreements or other short-term instruments.

If a fund has outstanding borrowings, any Interfund Loans to the fund (a) will
be at an interest rate equal to or lower than any outstanding bank loan, (b)
will be secured at least on an equal priority basis with at least an equivalent
percentage of collateral to loan value as any outstanding bank loan that
requires collateral, (c) will have a maturity no longer than any outstanding
bank loan (and in any event not over seven days) and (d) will provide that, if
an event of default occurs under any agreement evidencing an outstanding bank
loan to the fund, the event of default will automatically (without need for
action or notice by the lending fund) constitute an immediate event of default
under the Interfund Lending Agreement entitling the lending fund to call the
Interfund Loan (and exercise all rights with respect to any collateral) and
that such call will be made if the lending bank exercises its right to call its
loan under its agreement with the borrowing fund.

A fund may make an unsecured borrowing through the credit facility if its
outstanding borrowings from all sources immediately after the interfund
borrowing total 10% or less of its total assets; provided, that if the fund has
a secured loan outstanding from any other lender, including but not limited to
another Pioneer fund, the fund's interfund borrowing will be secured on at
least an equal priority basis with at least an equivalent percentage of
collateral to loan value as any outstanding loan that requires collateral. If a
fund's total outstanding borrowings immediately after an interfund borrowing
would be greater than 10% of its total assets, the fund may borrow through the
credit facility on a secured basis only. A fund may not borrow through the
credit facility nor from any other source if its total outstanding borrowings
immediately after the interfund borrowing would be more than 33 1/3% of its
total assets.

No fund may lend to another fund through the interfund lending credit facility
if the loan would cause its aggregate outstanding loans through the credit
facility to exceed 15% of the lending fund's net assets at the time of the
loan. A fund's Interfund Loans to any one fund shall not exceed 5% of the
lending fund's net assets. The duration of Interfund Loans is limited to the
time required to receive payment for securities sold, but in no event more than
seven days. Loans effected within seven days of each other will be treated as
separate loan transactions for purposes of this condition. Each Interfund Loan
may be called on one business day's notice by a lending fund and may be repaid
on any day by a borrowing fund.

The limitations detailed above and the other conditions of the SEC exemptive
order permitting interfund lending are designed to minimize the risks
associated with interfund lending for both the lending fund and the borrowing
fund. However, no borrowing or lending activity is without risk. When a fund
borrows money from another fund, there is a risk that the loan could be called
on one day's notice or not renewed, in which case the fund may have to borrow
from a bank at higher rates if an Interfund Loan were not available from
another fund. A delay in repayment to a lending fund could result in a lost
opportunity or additional lending costs.


WHEN-ISSUED AND DELAYED DELIVERY SECURITIES
The fund may purchase securities, including U.S. government securities, on a
when-issued basis or may purchase or sell securities for delayed delivery. In
such transactions, delivery of the securities occurs beyond the normal
settlement period, but no payment or delivery is made by the fund prior to the
actual delivery or payment by the other party to the transaction. The fund will
not earn income on these securities until delivered. The purchase of securities
on a when-issued or delayed delivery basis involves the risk that the value of
the securities purchased will decline prior to the settlement date. The sale of
securities for delayed delivery involves the risk that the prices available in
the market on the delivery date may be greater than those obtained in the sale
transaction. When the fund enters into when-issued or delayed delivery
transactions it will segregate liquid assets with a value equal to the fund's
obligations. See "Asset Segregation."


                                       24
<PAGE>

DISCLOSURE OF PORTFOLIO HOLDINGS
The Board of Trustees has adopted policies and procedures relating to
disclosure of the Pioneer funds' portfolio securities. These policies and
procedures are designed to provide a framework for disclosing information
regarding portfolio holdings, portfolio composition or other portfolio
characteristics consistent with applicable federal securities laws and
regulations and general principles of fiduciary duty relating to fund
shareholders. While Pioneer may manage other separate accounts and unregistered
products that have substantially similar investment strategies to those of
another Pioneer fund, and therefore portfolio holdings that may be
substantially similar, and in some cases nearly identical, to such fund, these
policies and procedures only relate to the disclosure of portfolio information
of the Pioneer funds that are registered management companies. Separate account
and unregistered product clients are not subject to these policies and
procedures. Separate account and unregistered product clients of Pioneer have
access to their portfolio holdings, and prospective clients have access to
representative holdings.

Generally, Pioneer will make a fund's full portfolio information available to
the public on a monthly basis with an appropriate delay based upon the nature
of the information disclosed. Pioneer normally will publish a fund's full
portfolio holdings thirty (30) days after the end of each month (this time
period may be different for certain funds. Such information shall be made
available on the funds' website (us.pioneerinvestments.com) and may be sent to
rating agencies, reporting/news services and financial intermediaries, upon
request. In addition, Pioneer generally makes publicly available information
regarding a fund's top ten holdings (including the percentage of a fund's
assets represented by each security), the percentage breakdown of a fund's
investments by country, sector and industry, various volatility measures (such
as beta, standard deviation, etc.), market capitalization ranges and other
portfolio characteristics (such as alpha, average P/E ratio, etc.) three (3)
business days after the end of each month.

Pioneer may provide a fund's full portfolio holdings or other information to
certain entities prior to the date such information is made public, provided
that certain conditions are met. The entities to which such disclosure may be
made as of the date of this statement of additional information are rating
agencies, plan sponsors, prospective separate account clients and other
financial intermediaries (i.e., organizations evaluating a fund for purposes of
investment by their clients, such as broker-dealers, investment advisers,
banks, insurance companies, financial planning firms, plan sponsors, plan
administrators, shareholder servicing organizations and pension consultants).
The third party must agree to a limited use of that information which does not
conflict with the interests of the fund's shareholders, to use the information
only for that authorized purpose, to keep such information confidential, and
not to trade on such information. The Board of Trustees considered the
disclosure of portfolio holdings information to these categories of entities to
be consistent with the best interests of shareholders in light of the agreement
to maintain the confidentiality of such information and only to use such
information for the limited and approved purposes. Pioneer's compliance
department, the local head of investment management and the global chief
investment officer may, but only acting jointly, grant exemptions to this
policy. Exemptions may be granted only if these persons determine that
providing such information is consistent with the interests of shareholders and
the third party agrees to limit the use of such information only for the
authorized purpose, to keep such information confidential, and not to trade on
such information. Although the Board of Trustees will periodically be informed
of exemptions granted, granting exemptions entails the risk that portfolio
holdings information may be provided to entities that use the information in a
manner inconsistent with their obligations and the best interests of a fund.

Currently, Pioneer, on behalf of the Pioneer funds, has ongoing arrangements
whereby the following entities may receive a fund's full portfolio holdings or
other information prior to the date such information is made public:
Metropolitan Life Insurance Company (within 30 days after month end for board
materials and advance preparation of marketing materials, as needed to evaluate
Pioneer funds); Roszel Advisors (within 30 days after month end for due
diligence and review of certain Pioneer funds included in fund programs);
Oppenheimer & Co. (within 30 days after month end for due diligence and review
of certain Pioneer funds included in fund programs); UBS (within 15 days after
month end for due diligence and review of certain


                                       25
<PAGE>

Pioneer funds included in fund programs); Beacon Pointe Advisors (as needed for
quarterly review of certain Pioneer funds); Commonwealth Financial Network
(within 30 days after month end for risk analysis on funds on behalf of their
clients); Hartford Retirement Services, LLC (as needed for risk analysis on
funds on behalf of their clients); Transamerica Life Insurance Company (as
needed for performance and risk analysis on funds on behalf of their clients);
TIBCO Software Inc./Spotfire Division (as needed to evaluate and develop
portfolio reporting software); Curcio Webb, LLC (as needed for evaluation and
research purposes); Fidelity Investments (as needed to evaluate Pioneer funds);
Egan Jones Ratings Company (as needed in order to evaluate and select
Nationally Recognized Statistical Rating Organizations (NRSROs)); DBRS Limited
(as needed in order to evaluate and select NRSROs); Wells Fargo Advisors (as
needed for risk analysis on funds on behalf of their clients and product
review); and Capital Market Consultants (as needed to complete quarterly due
diligence research).

Compliance with the funds' portfolio holdings disclosure policy is subject to
periodic review by the Board of Trustees, including a review of any potential
conflicts of interest in the disclosures made by Pioneer in accordance with the
policy or the exceptions permitted under the policy. Any change to the policy
to expand the categories of entities to which portfolio holdings may be
disclosed or an increase in the purposes for which such disclosure may be made
would be subject to approval by the Board of Trustees and, reflected, if
material, in a supplement to the fund's statement of additional information.

The funds' full portfolio holdings disclosure policy is not intended to prevent
the disclosure of any and all portfolio information to the funds' service
providers who generally need access to such information in the performance of
their contractual duties and responsibilities, such as Pioneer, the funds'
custodian, fund accounting agent, principal underwriter, investment
sub-adviser, if any, independent registered public accounting firm or counsel.
In approving the policy, the Board of Trustees considered that the service
providers are subject to duties of confidentiality and duties not to trade on
non-public information arising under law or contract that provide an adequate
safeguard for such information. None of Pioneer, the funds, or any other party
receive any compensation or other consideration from any arrangement pertaining
to the release of a fund's full portfolio holdings information.

In addition, the funds make their portfolio holdings available semi-annually in
shareholder reports filed on Form N-CSR and after the first and third fiscal
quarters in regulatory filings on Form N-Q. These shareholder reports and
regulatory filings are filed with the SEC, as required by the federal
securities laws. Form N-Q is filed with the SEC within sixty (60) days after
the end of a fund's first and third fiscal quarters. Form N-CSR is filed with
the SEC within ten (10) days after the transmission to shareholders of a fund's
annual or semi-annual report, as applicable.


INVESTMENT RESTRICTIONS


FUNDAMENTAL INVESTMENT POLICIES
The fund has adopted certain fundamental investment policies which may not be
changed without the affirmative vote of the holders of a "majority of the
outstanding voting securities" (as defined in the 1940 Act) of the fund. For
this purpose, a majority of the outstanding shares of the fund means the vote
of the lesser of:

(1)   67% or more of the shares represented at a meeting, if the holders of
      more than 50% of the outstanding shares are present in person or by
      proxy; or

(2)   more than 50% of the outstanding shares of the fund.

The fund's fundamental policies are as follows:

(1)   The fund may not borrow money except as permitted by (i) the 1940 Act, or
      interpretations or modifications by the SEC, SEC staff or other authority
      of competent jurisdiction, or (ii) exemptive or other relief or
      permission from the SEC, SEC staff or other authority of competent
      jurisdiction.


                                       26
<PAGE>

(2)   The fund may not engage in the business of underwriting the securities of
      other issuers except as permitted by (i) the 1940 Act, or interpretations
      or modifications by the SEC, SEC staff or other authority of competent
      jurisdiction, or (ii) exemptive or other relief or permission from the
      SEC, SEC staff or other authority of competent jurisdiction.

(3)   The fund may lend money or other assets to the extent permitted by (i)
      the 1940 Act, or interpretations or modifications by the SEC, SEC staff
      or other authority of competent jurisdiction or (ii) exemptive or other
      relief or permission from the SEC, SEC staff or other authority of
      competent jurisdiction.

(4)   The fund may not issue senior securities except as permitted by (i) the
      1940 Act, or interpretations or modifications by the SEC, SEC staff or
      other authority of competent jurisdiction, or (ii) exemptive or other
      relief or permission from the SEC, SEC staff or other authority of
      competent jurisdiction.

(5)   The fund may not purchase or sell real estate except as permitted by (i)
      the 1940 Act, or interpretations or modifications by the SEC, SEC staff
      or other authority of competent jurisdiction, or (ii) exemptive or other
      relief or permission from the SEC, SEC staff or other authority of
      competent jurisdiction.

(6)   The fund may purchase or sell commodities or contracts related to
      commodities to the extent permitted by (i) the 1940 Act, or
      interpretations or modifications by the SEC, SEC staff or other authority
      of competent jurisdiction, or (ii) exemptive or other relief or
      permission from the SEC, SEC staff or other authority of competent
      jurisdiction.

(7)   Except as permitted by exemptive or other relief or permission from the
      SEC, SEC staff or other authority of competent jurisdiction, the fund may
      not make any investment if, as a result, the fund's investments will be
      concentrated in any one industry.

With respect to the fundamental policy relating to borrowing money set forth in
(1) above, the 1940 Act permits a fund to borrow money in amounts of up to
one-third of the fund's total assets from banks for any purpose, and to borrow
up to 5% of the fund's total assets from banks or other lenders for temporary
purposes (the fund's total assets include the amounts being borrowed). To limit
the risks attendant to borrowing, the 1940 Act requires the fund to maintain at
all times an "asset coverage" of at least 300% of the amount of its borrowings.
Asset coverage means the ratio that the value of the fund's total assets
(including amounts borrowed), minus liabilities other than borrowings, bears to
the aggregate amount of all borrowings. Borrowing money to increase a fund's
investment portfolio is known as "leveraging." Borrowing, especially when used
for leverage, may cause the value of a fund's shares to be more volatile than
if the fund did not borrow. This is because borrowing tends to magnify the
effect of any increase or decrease in the value of the fund's portfolio
holdings. Borrowed money thus creates an opportunity for greater gains, but
also greater losses. To repay borrowings, the fund may have to sell securities
at a time and at a price that is unfavorable to the fund. There also are costs
associated with borrowing money, and these costs would offset and could
eliminate a fund's net investment income in any given period. Currently, the
fund does not contemplate borrowing for leverage, but if the fund does so, it
will not likely do so to a substantial degree. The policy in (1) above will be
interpreted to permit the fund to engage in trading practices and investments
that may be considered to be borrowing to the extent permitted by the 1940 Act.
Reverse repurchase agreements may be considered to be a type of borrowing.
Short-term credits necessary for the settlement of securities transactions and
arrangements with respect to securities lending will not be considered to be
borrowings under the policy. Practices and investments that may involve
leverage but are not considered to be borrowings are not subject to the policy.
Such trading practices may include futures, options on futures, forward
contracts and other derivative investments.

A fund may pledge its assets and guarantee the securities of another company
without limitation, subject to the fund's investment policies (including the
fund's fundamental policy regarding borrowing) and applicable laws and
interpretations. Pledges of assets and guarantees of obligations of others are
subject to many of the same risks associated with borrowings and, in addition,
are subject to the credit risk of the obligor for the underlying obligations.
To the extent that pledging or guaranteeing assets may be considered the
issuance


                                       27
<PAGE>

of senior securities, the issuance of senior securities is governed by the
fund's policies on senior securities. If the fund were to pledge its assets,
the fund would take into account any then-applicable legal guidance, including
any applicable SEC staff position, would be guided by the judgment of the
fund's Board and Pioneer regarding the terms of any credit facility or
arrangement, including any collateral required, and would not pledge more
collateral than, in their judgment, is necessary for the fund to obtain the
credit sought. Shareholders should note that in 1973, the SEC staff took the
position in a no-action letter that a mutual fund could not pledge 100% of its
assets without a compelling business reason. In more recent no-action letters,
including letters that address the same statutory provision of the 1940 Act
(Section 17) addressed in the 1973 letter, the SEC staff has not mentioned any
limitation on the amount of collateral that may be pledged to support credit
obtained. This does not mean that the staff's position on this issue has
changed.

With respect to the fundamental policy relating to underwriting set forth in
(2) above, the 1940 Act does not prohibit a fund from engaging in the
underwriting business or from underwriting the securities of other issuers; in
fact, the 1940 Act permits a fund to have underwriting commitments of up to 25%
of its assets under certain circumstances. Those circumstances currently are
that the amount of the fund's underwriting commitments, when added to the value
of the fund's investments in issuers where the fund owns more than 10% of the
outstanding voting securities of those issuers, cannot exceed the 25% cap. A
fund engaging in transactions involving the acquisition or disposition of
portfolio securities may be considered to be an underwriter under the
Securities Act of 1933, as amended (the "1933 Act"). Under the 1933 Act, an
underwriter may be liable for material omissions or misstatements in an
issuer's registration statement or prospectus. Securities purchased from an
issuer and not registered for sale under the 1933 Act are considered restricted
securities. There may be a limited market for these securities. If these
securities are registered under the 1933 Act, they may then be eligible for
sale but participating in the sale may subject the seller to underwriter
liability. These risks could apply to a fund investing in restricted
securities. Although it is not believed that the application of the 1933 Act
provisions described above would cause a fund to be engaged in the business of
underwriting, the policy in (2) above will be interpreted not to prevent the
fund from engaging in transactions involving the acquisition or disposition of
portfolio securities, regardless of whether the fund may be considered to be an
underwriter under the 1933 Act.

With respect to the fundamental policy relating to lending set forth in (3)
above, the 1940 Act does not prohibit a fund from making loans; however, SEC
staff interpretations currently prohibit funds from lending more than one-third
of their total assets, except through the purchase of debt obligations or the
use of repurchase agreements. (A repurchase agreement is an agreement to
purchase a security, coupled with an agreement to sell that security back to
the original seller on an agreed-upon date at a price that reflects current
interest rates. The SEC frequently treats repurchase agreements as loans.)
While lending securities may be a source of income to a fund, as with other
extensions of credit, there are risks of delay in recovery or even loss of
rights in the underlying securities should the borrower fail financially.
However, loans would be made only when the fund's manager or a subadviser
believes the income justifies the attendant risks. The fund also will be
permitted by this policy to make loans of money, including to other funds. The
fund has obtained exemptive relief from the SEC to make short-term loans to
other Pioneer funds through a credit facility in order to satisfy redemption
requests or to cover unanticipated cash shortfalls; as discussed in this
Statement of Additional Information under "Interfund Lending". The conditions
of the SEC exemptive order permitting interfund lending are designed to
minimize the risks associated with interfund lending, however no lending
activity is without risk. A delay in repayment to a lending fund could result
in a lost opportunity or additional lending costs. The policy in (3) above will
be interpreted not to prevent the fund from purchasing or investing in debt
obligations and loans. In addition, collateral arrangements with respect to
options, forward currency and futures transactions and other derivative
instruments, as well as delays in the settlement of securities transactions,
will not be considered loans.

With respect to the fundamental policy relating to issuing senior securities
set forth in (4) above, "senior securities" are defined as fund obligations
that have a priority over the fund's shares with respect to the payment of
dividends or the distribution of fund assets. The 1940 Act prohibits a fund
from issuing senior


                                       28
<PAGE>

securities except that the fund may borrow money in amounts of up to one-third
of the fund's total assets from banks for any purpose. A fund also may borrow
up to 5% of the fund's total assets from banks or other lenders for temporary
purposes, and these borrowings are not considered senior securities. The
issuance of senior securities by a fund can increase the speculative character
of the fund's outstanding shares through leveraging. Leveraging of a fund's
portfolio through the issuance of senior securities magnifies the potential for
gain or loss on monies, because even though the fund's net assets remain the
same, the total risk to investors is increased. Certain widely used investment
practices that involve a commitment by a fund to deliver money or securities in
the future are not considered by the SEC to be senior securities, provided that
a fund segregates cash or liquid securities in an amount necessary to pay the
obligation or the fund holds an offsetting commitment from another party. These
investment practices include repurchase and reverse repurchase agreements,
swaps, dollar rolls, options, futures and forward contracts. The policy in (4)
above will be interpreted not to prevent collateral arrangements with respect
to swaps, options, forward or futures contracts or other derivatives, or the
posting of initial or variation margin.

With respect to the fundamental policy relating to real estate set forth in (5)
above, the 1940 Act does not prohibit a fund from owning real estate; however,
a fund is limited in the amount of illiquid assets it may purchase. Investing
in real estate may involve risks, including that real estate is generally
considered illiquid and may be difficult to value and sell. Owners of real
estate may be subject to various liabilities, including environmental
liabilities. To the extent that investments in real estate are considered
illiquid, the current SEC staff position generally limits a fund's purchases of
illiquid securities to 15% of net assets. The policy in (5) above will be
interpreted not to prevent the fund from investing in real estate-related
companies, companies whose businesses consist in whole or in part of investing
in real estate, instruments (like mortgages) that are secured by real estate or
interests therein, or real estate investment trust securities.

With respect to the fundamental policy relating to commodities set forth in (6)
above, the 1940 Act does not prohibit a fund from owning commodities, whether
physical commodities and contracts related to physical commodities (such as oil
or grains and related futures contracts), or financial commodities and
contracts related to financial commodities (such as currencies and, possibly,
currency futures). However, a fund is limited in the amount of illiquid assets
it may purchase. To the extent that investments in commodities are considered
illiquid, the current SEC staff position generally limits a fund's purchases of
illiquid securities to 15% of net assets. If a fund were to invest in a
physical commodity or a physical commodity-related instrument, the fund would
be subject to the additional risks of the particular physical commodity and its
related market. The value of commodities and commodity-related instruments may
be extremely volatile and may be affected either directly or indirectly by a
variety of factors. There also may be storage charges and risks of loss
associated with physical commodities. The policy in (6) above will be
interpreted to permit investments in exchange traded funds that invest in
physical and/or financial commodities.

With respect to the fundamental policy relating to concentration set forth in
(7) above, the 1940 Act does not define what constitutes "concentration" in an
industry. The SEC staff has taken the position that investment of 25% or more
of a fund's total assets in one or more issuers conducting their principal
activities in the same industry or group of industries constitutes
concentration. It is possible that interpretations of concentration could
change in the future. A fund that invests a significant percentage of its total
assets in a single industry may be particularly susceptible to adverse events
affecting that industry and may be more risky than a fund that does not
concentrate in an industry. The policy in (7) above will be interpreted to
refer to concentration as that term may be interpreted from time to time. The
policy also will be interpreted to permit investment without limit in the
following: securities of the U.S. government and its agencies or
instrumentalities; and repurchase agreements collateralized by any such
obligations. Accordingly, issuers of the foregoing securities will not be
considered to be members of any industry. The policy also will be interpreted
to give broad authority to the fund as to how to classify issuers within or
among industries. When identifying industries for purposes of its concentration
policy, the fund may rely upon available industry classifications. As of the
date of the SAI, the fund relies primarily on the MSCI Global Industry
Classification Standard (GICS) classifications, and, with respect to securities
for which no industry classification under


                                       29
<PAGE>

GICS is available or for which the GICS classification is determined not to be
appropriate, the fund may use industry classifications published by another
source, which, as of the date of the SAI, is Bloomberg L.P. As of the date of
the SAI, the fund's adviser may assign an industry classification for an
exchange-traded fund in which the fund invests based on the constituents of the
index on which the exchange-traded fund is based. The fund may change any
source used for determining industry classifications without shareholder
approval.

The fund's fundamental policies are written and will be interpreted broadly.
For example, the policies will be interpreted to refer to the 1940 Act and the
related rules as they are in effect from time to time, and to interpretations
and modifications of or relating to the 1940 Act by the SEC, SEC staff or other
authority of competent jurisdiction as they are given from time to time. When a
policy provides that an investment practice may be conducted as permitted by
the 1940 Act, the policy will be interpreted to mean either that the 1940 Act
expressly permits the practice or that the 1940 Act does not prohibit the
practice.


NON-FUNDAMENTAL INVESTMENT POLICY
The following policy is non-fundamental and may be changed by a vote of the
Board of Trustees without approval of shareholders.

The fund may not invest in any investment company in reliance on Section
12(d)(1)(F) of the 1940 Act, which would allow the fund to invest in other
investment companies, or in reliance on Section 12(d)(1)(G) of the 1940 Act,
which would allow the fund to invest in other Pioneer funds, in each case
without being subject to the limitations discussed above under "Other
Investment Companies" so long as another investment company invests in the fund
in reliance on Section 12(d)(1)(G). The fund has adopted this non-fundamental
policy in order that the fund may be a permitted investment of the series of
Pioneer Asset Allocation Trust. If the series of Pioneer Asset Allocation Trust
do not invest in the fund, then this non-fundamental restriction will not
apply.

In addition, the fund's investment objective is non-fundamental and it and the
fund's non-fundamental investment policies may be changed by a vote of the
Board of Trustees without approval of shareholders at any time.


DIVERSIFICATION
The fund is currently classified as a diversified fund under the 1940 Act. A
diversified fund may not purchase securities of an issuer (other than
obligations issued or guaranteed by the U.S. government, its agencies or
instrumentalities) if, with respect to 75% of the fund's total assets, (a) more
than 5% of the fund's total assets would be invested in securities of that
issuer, or (b) the fund would hold more than 10% of the outstanding voting
securities of that issuer. Under the 1940 Act, the fund cannot change its
classification from diversified to non-diversified without shareholder
approval.


3. TRUSTEES AND OFFICERS


The fund's Trustees and officers are listed below, together with their
principal occupations and other directorships they have held during at least
the past five years. Trustees who are interested persons of the fund within the
meaning of the 1940 Act are referred to as Interested Trustees. Trustees who
are not interested persons of the fund are referred to as Independent Trustees.
Each of the Trustees serves as a Trustee of each of the 46 U.S. registered
investment portfolios for which Pioneer serves as investment adviser (the
"Pioneer Funds"). The address for all Trustees and all officers of the fund is
60 State Street, Boston, Massachusetts 02109.



                                       30
<PAGE>



<TABLE>
<CAPTION>
NAME, AGE AND                 TERM OF OFFICE AND                                                     OTHER DIRECTORSHIPS
POSITION HELD WITH THE FUND   LENGTH OF SERVICE          PRINCIPAL OCCUPATION                        HELD BY TRUSTEE
----------------------------- -------------------------- ------------------------------------------- -------------------------
<S>                           <C>                        <C>                                         <C>
INDEPENDENT TRUSTEES:
----------------------------- -------------------------- ------------------------------------------- ----
THOMAS J. PERNA (66)          Trustee since 2006.        Private investor (2004 - 2008 and           Director, Broadridge
Chairman of the Board and     Serves until a successor   2013 - present); Chairman (2008 -           Financial Solutions,
Trustee                       trustee is elected or      2013) and Chief Executive Officer           Inc. (investor
----
                              earlier retirement or      (2008 - 2012), Quadriserv, Inc.             communications and
                              removal.                   (technology products for securities         securities processing
                              --------------------------
                                                         lending industry); and Senior               provider for financial
                                                         Executive Vice President, The Bank          services industry)
                                                         of New York (financial and securities       (2009 - present);
                                                         services) (1986 - 2004)                     Director, Quadriserv,
                                                         -------------------------------------------
                                                                                                     Inc. (2005 - 2013);
                                                                                                     and Commissioner,
                                                                                                     New Jersey State
                                                                                                     Civil Service
                                                                                                     Commission (2011 -
                                                                                                     2015)
                                                                                                     ----
DAVID R. BOCK (73)            Trustee since 2005.        Managing Partner, Federal City              Director of New York
Trustee                       Serves until a successor   Capital Advisors (corporate advisory        Mortgage Trust
----
                              trustee is elected or      services company) (1997 - 2004              (publicly-traded
                              earlier retirement or      and 2008 - present); Interim Chief          mortgage REIT)
                              removal.                   Executive Officer, Oxford Analytica,        (2004 - 2009, 2012
                              --------------------------
                                                         Inc. (privately held research and           - present); Director of
                                                         consulting company) (2010);                 The Swiss Helvetia
                                                         Executive Vice President and Chief          Fund, Inc.
                                                         Financial Officer, I-trax, Inc. (publicly   (closed-end fund)
                                                         traded health care services                 (2010 - present);
                                                         company) (2004 - 2007); and                 Director of Oxford
                                                         Executive Vice President and Chief          Analytica, Inc. (2008
                                                         Financial Officer, Pedestal Inc.            - present); and
                                                         (internet-based mortgage trading            Director of Enterprise
                                                         company) (2000 - 2002); Private             Community
                                                         Consultant (1995 - 1997);                   Investment, Inc.
                                                         Managing Director, Lehman                   (privately-held
                                                         Brothers (1992 - 1995); Executive,          affordable housing
                                                         The World Bank (1979 - 1992)                finance company)
                                                         -------------------------------------------
                                                                                                     (1985 - 2010);
                                                                                                     -------------------------
BENJAMIN M. FRIEDMAN          Trustee since 2008.        William Joseph Maier Professor of           Trustee, Mellon
 (72)                         Serves until a successor   Political Economy, Harvard                  Institutional Funds
Trustee                       trustee is elected or      University (1972 - present)                 Investment Trust and
----                                                     -------------------------------------------
                              earlier retirement or                                                  Mellon Institutional
                              removal.                                                               Funds Master
                              --------------------------
                                                                                                     Portfolio (oversaw
                                                                                                     17 portfolios in fund
                                                                                                     complex) (1989 -
                                                                                                     2008)
                                                                                                     ----
MARGARET B.W. GRAHAM          Trustee since 1990.        Founding Director, Vice-President           None
                                                                                                     ----
 (69)                         Serves until a successor   and Corporate Secretary, The
Trustee                       trustee is elected or      Winthrop Group, Inc. (consulting
----
                              earlier retirement or      firm) (1982 - present); Desautels
                              removal.                   Faculty of Management, McGill
                              --------------------------
                                                         University (1999 - present); and
                                                         Manager of Research Operations
                                                         and Organizational Learning, Xerox
                                                         PARC, Xerox's advance research
                                                         center (1990-1994)
                                                         -------------------------------------------
</TABLE>


                                       31
<PAGE>



<TABLE>
<CAPTION>
NAME, AGE AND                 TERM OF OFFICE AND                                               OTHER DIRECTORSHIPS
POSITION HELD WITH THE FUND   LENGTH OF SERVICE          PRINCIPAL OCCUPATION                  HELD BY TRUSTEE
----------------------------- -------------------------- ------------------------------------- ---------------------
<S>                           <C>                        <C>                                   <C>
MARGUERITE A. PIRET (68)      Trustee since 1982.        President and Chief Executive         Director of New
Trustee                       Serves until a successor   Officer, Newbury Piret Company        America High Income
-----------------------------
                              trustee is elected or      (investment banking firm) (1981 -     Fund, Inc.
                              earlier retirement or      present)                              (closed-end
                                                         -------------------------------------
                              removal.                                                         investment company)
                              --------------------------
                                                                                               (2004 - present);
                                                                                               and Member, Board
                                                                                               of Governors,
                                                                                               Investment Company
                                                                                               Institute (2000 -
                                                                                               2006)
                                                                                               ----
FRED J. RICCIARDI (70)        Trustee since 2014.        Consultant (investment company        None
                                                                                               ----
Trustee                       Serves until a successor   services) (2012 - present);
-----------------------------
                              trustee is elected or      Executive Vice President, BNY
                              earlier retirement or      Mellon (financial and investment
                              removal.                   company services) (1969 - 2012);
                              --------------------------
                                                         Director, BNY International
                                                         Financing Corp. (financial services)
                                                         (2002 - 2012); Director, Mellon
                                                         Overseas Investment Corp.
                                                         (financial services) (2009 - 2012)
                                                         -------------------------------------
INTERESTED TRUSTEE:
----------------------------- -------------------------- ------------------------------------- ----
KENNETH J. TAUBES (58)*       Trustee since 2014.        Director and Executive Vice           None
                                                                                               ----
Trustee                       Serves until a successor   President (since 2008) and Chief
-----------------------------
                              trustee is elected or      Investment Officer, U.S. (since
                              earlier retirement or      2010) of Pioneer Investment
                              removal                    Management USA Inc. ("PIM-USA");
                              --------------------------
                                                         Executive Vice President and Chief
                                                         Investment Officer, U.S. of Pioneer
                                                         (since 2008); Executive Vice
                                                         President of Pioneer Institutional
                                                         Asset Management, Inc. (since
                                                         2009); Portfolio Manager of Pioneer
                                                         (since 1999)
                                                         -------------------------------------
</TABLE>


                                       32
<PAGE>



<TABLE>
<CAPTION>
NAME, AGE AND                 TERM OF OFFICE AND                                              OTHER DIRECTORSHIPS
POSITION HELD WITH THE FUND   LENGTH OF SERVICE        PRINCIPAL OCCUPATION                   HELD BY TRUSTEE
----------------------------- ------------------------ -------------------------------------- ---------------------
<S>                           <C>                      <C>                                    <C>
ADVISORY TRUSTEE:
----------------------------- ----                     -------------------------------------- ----
LORRAINE H. MONCHAK           Advisory Trustee since   Chief Investment Officer, 1199 SEIU    Trustee of Pioneer
(60)**                        2014.                    Funds (healthcare workers union        closed-end
                              ----
Advisory Trustee                                       pension funds) (2001 - present);       investment
-----------------------------
                                                       Vice President - International         companies (5
                                                       Investments Group, American            portfolios) (Sept.
                                                       International Group, Inc. (insurance   2015-present)
                                                                                              ----
                                                       company) (1993 - 2001); Vice
                                                       President Corporate Finance and
                                                       Treasury Group, Citibank, N.A.(1980
                                                       - 1986 and 1990 - 1993); Vice
                                                       President - Asset/Liability
                                                       Management Group, Federal Farm
                                                       Funding Corporation
                                                       (government-sponsored issuer of
                                                       debt securities) (1988 - 1990);
                                                       Mortgage Strategies Group,
                                                       Shearson Lehman Hutton, Inc.
                                                       (investment bank) (1987 - 1988);
                                                       Mortgage Strategies Group, Drexel
                                                       Burnham Lambert, Ltd. (investment
                                                       bank) (1986 - 1987)
                                                       --------------------------------------
FUND OFFICERS:
----------------------------- ----                     -------------------------------------- ----
LISA M. JONES (55)            Since 2014. Serves at    Chair, Director, CEO and President     Trustee of Pioneer
President and Chief           the discretion of the    of PIM-USA (since September            closed-end
Executive Officer             Board                    2014); Chair, Director and CEO of      investment
----------------------------- ----
                                                       Pioneer Investment Management,         companies (5
                                                       Inc. (since September 2014); Chair,    portfolios) (Sept.
                                                       Director and CEO of Pioneer Funds      2015-present)
                                                                                              ----
                                                       Distributor, Inc. (since September
                                                       2014); Chair, Director, CEO and
                                                       President of Pioneer Institutional
                                                       Asset Management, Inc. (since
                                                       September 2014); Managing
                                                       Director, Morgan Stanley Investment
                                                       Management (2010 - 2013);
                                                       Director of Institutional Business,
                                                       CEO of International, Eaton Vance
                                                       Management (2005 - 2010)
                                                       --------------------------------------
CHRISTOPHER J. KELLEY (52)    Since 2003. Serves at    Vice President and Associate           None
                                                                                              ----
Secretary and Chief Legal     the discretion of the    General Counsel of Pioneer since
Officer                       Board                    January 2008; Secretary and Chief
---                           ----
                                                       Legal Officer of all of the Pioneer
                                                       Funds since June 2010; Assistant
                                                       Secretary of all of the Pioneer Funds
                                                       from September 2003 to May
                                                       2010; Vice President and Senior
                                                       Counsel of Pioneer from July 2002
                                                       to December 2007
                                                       --------------------------------------
</TABLE>


                                       33
<PAGE>



<TABLE>
<CAPTION>
NAME, AGE AND                 TERM OF OFFICE AND                                              OTHER DIRECTORSHIPS
POSITION HELD WITH THE FUND   LENGTH OF SERVICE       PRINCIPAL OCCUPATION                    HELD BY TRUSTEE
----------------------------- ----------------------- --------------------------------------- ---------------------
<S>                           <C>                     <C>                                     <C>
CAROL B. HANNIGAN (56)        Since 2010. Serves at   Fund Governance Director of             None
                                                                                              ---------------------
Assistant Secretary           the discretion of the   Pioneer since December 2006 and
-----------------------------
                              Board                   Assistant Secretary of all the
                              -----------------------
                                                      Pioneer Funds since June 2010;
                                                      Manager - Fund Governance of
                                                      Pioneer from December 2003 to
                                                      November 2006; and Senior
                                                      Paralegal of Pioneer from January
                                                      2000 to November 2003
                                                      ---------------------------------------
THOMAS REYES (54)             Since 2010. Serves at   Senior Counsel of Pioneer since         None
                                                                                              ---------------------
Assistant Secretary           the discretion of the   May 2013 and Assistant Secretary
-----------------------------
                              Board                   of all the Pioneer Funds since June
                              -----------------------
                                                      2010; Counsel of Pioneer from June
                                                      2007 to May 2013
                                                      ---------------------------------------
MARK E. BRADLEY (57)          Since 2008. Serves at   Vice President - Fund Treasury of       None
                                                                                              ---------------------
Treasurer and Chief           the discretion of the   Pioneer; Treasurer of all of the
Financial and Accounting      Board                   Pioneer Funds since March 2008;
                              -----------------------
Officer                                               Deputy Treasurer of Pioneer from
-----------------------------
                                                      March 2004 to February 2008; and
                                                      Assistant Treasurer of all of the
                                                      Pioneer Funds from March 2004 to
                                                      February 2008
                                                      ---------------------------------------
LUIS I. PRESUTTI (51)         Since 2000. Serves at   Director - Fund Treasury of Pioneer;    None
                                                                                              ---------------------
Assistant Treasurer           the discretion of the   and Assistant Treasurer of all of the
-----------------------------
                              Board                   Pioneer Funds
                              ----------------------- ---------------------------------------
GARY SULLIVAN (58)            Since 2002. Serves at   Fund Accounting Manager - Fund          None
                                                                                              ---------------------
Assistant Treasurer           the discretion of the   Treasury of Pioneer; and Assistant
-----------------------------
                              Board                   Treasurer of all of the Pioneer Funds
                              ----------------------- ---------------------------------------
DAVID F. JOHNSON (37)         Since 2009. Serves at   Fund Administration Manager - Fund      None
                                                                                              ---------------------
Assistant Treasurer           the discretion of the   Treasury of Pioneer since November
-----------------------------
                              Board                   2008; Assistant Treasurer of all of
                              -----------------------
                                                      the Pioneer Funds since January
                                                      2009; Client Service Manager -
                                                      Institutional Investor Services at
                                                      State Street Bank from March 2003
                                                      to March 2007
                                                      ---------------------------------------
JEAN M. BRADLEY (64)          Since 2010. Serves at   Chief Compliance Officer of Pioneer     None
                                                                                              ---------------------
Chief Compliance Officer      the discretion of the   and of all the Pioneer Funds since
-----------------------------
                              Board                   March 2010; Chief Compliance
                              -----------------------
                                                      Officer of Pioneer Institutional Asset
                                                      Management, Inc. since January
                                                      2012; Chief Compliance Officer of
                                                      Vanderbilt Capital Advisors, LLC
                                                      since July 2012: Director of Adviser
                                                      and Portfolio Compliance at Pioneer
                                                      since October 2005; Senior
                                                      Compliance Officer for Columbia
                                                      Management Advisers, Inc. from
                                                      October 2003 to October 2005
                                                      ---------------------------------------
KELLY O'DONNELL (46)          Since 2006. Serves at   Director - Transfer Agency              None
                                                                                              ---------------------
Anti-Money Laundering         the discretion of the   Compliance of Pioneer and
Officer                       Board                   Anti-Money Laundering Officer of all
----------------------------- -----------------------
                                                      the Pioneer Funds since 2006
                                                      ---------------------------------------
</TABLE>


                                       34
<PAGE>

*     Mr. Taubes is an Interested Trustee because he is an officer or director
      of the fund's investment adviser and certain of its affiliates.

**    Ms. Monchak is a non-voting advisory trustee.


BOARD COMMITTEES

The Board of Trustees is responsible for overseeing the fund's management and
operations. The Chairman of the Board is an Independent Trustee. Independent
Trustees constitute more than 75% of the Board. During the most recent fiscal
year, the Board of Trustees held 6 meetings. Each Trustee attended at least 75%
of such meetings.


The Trustees were selected to join the Board based upon the following as to
each Board member: such person's character and integrity; such person's
willingness and ability to commit the time necessary to perform the duties of a
Trustee; as to each Independent Trustee, his or her status as not being an
"interested person" as defined under the 1940 Act; and, as to Mr. Taubes, his
association with Pioneer. Each of the Independent Trustees also was selected to
join the Board based on the criteria and principles set forth in the Nominating
Committee Charter. In evaluating a Trustee's prospective service on the Board,
the Trustee's experience in, and ongoing contributions toward, overseeing the
fund's business as a Trustee also are considered. In addition, the following
specific experience, qualifications, attributes and/or skills apply as to each
Trustee: Mr. Bock, accounting, financial, business and public company
experience as a chief financial officer and an executive officer and experience
as a board member of other organizations; Mr. Friedman, academic leadership,
economic and finance experience and investment company board experience; Ms.
Graham, academic leadership, experience in business, finance and management
consulting; Mr. Perna, accounting, financial, and business experience as an
executive officer and experience as a board member of other organizations; Ms.
Piret, accounting, financial and entrepreneurial experience as an executive,
valuation experience and investment company board experience; Mr. Ricciardi,
financial, business and investment company experience as an executive officer
of a financial and investment company services organization, and experience as
a board member of offshore investment companies and other organizations; and
Mr. Taubes, portfolio management experience and leadership roles with Pioneer.
However, in its periodic assessment of the effectiveness of the Board, the
Board considers the complementary skills and experience of individual Trustees
primarily in the broader context of the Board's overall composition so that the
Board, as a body, possesses the appropriate (and appropriately diverse) skills
and experience to oversee the business of the fund.

The Trust's Amended and Restated Agreement and Declaration of Trust provides
that the appointment, designation (including in any proxy or registration
statement or other document) of a Trustee as an expert on any topic or in any
area, or as having experience, attributes or skills in any area, or any other
appointment, designation or identification, shall not impose on that person any
standard of care or liability that is greater than that imposed on that person
as a Trustee in the absence of the appointment, designation or identification,
and no Trustee who has special attributes, skills, experience or expertise, or
is appointed, designated, or identified as aforesaid, shall be held to a higher
standard of care by virtue thereof.

The Board of Trustees has five standing committees: the Independent Trustees
Committee, the Audit Committee, the Governance and Nominating Committee, the
Policy Administration Committee and the Valuation Committee. Each committee is
chaired by an Independent Trustee and all members of each committee are
Independent Trustees.

The Chairs of the committees work with the Chairman of the Board and fund
management in setting the agendas for Board meetings. The Chairs of the
committees set the agendas for committee meetings with input from fund
management. As noted below, through the committees, the Independent Trustees
consider and address important matters involving the fund, including those
presenting conflicts or potential conflicts of interest for management. The
Independent Trustees also regularly meet without the presence of management and
are advised by independent legal counsel. The Board has determined that
delegation to the committees of specified oversight responsibilities helps
ensure that the fund has effective and independent governance


                                       35
<PAGE>

and oversight. Notwithstanding the fact that the Chairman of the Board is an
Independent Trustee, the Board continues to believe that the committee
structure enables the Board more effectively to provide governance and
oversight of the fund's affairs. Mr. Perna, Chairman of the Board, is a member
of each committee except the Audit Committee and the Valuation Committee, of
each of which he is a non-voting, ex-officio member.


During the most recent fiscal year, the Independent Trustees, Audit, Governance
and Nominating, Policy Administration, and Valuation Committees held 8, 5, 2, 5
and 5 meetings, respectively.



INDEPENDENT TRUSTEES COMMITTEE

David R. Bock, Benjamin M. Friedman, Margaret B.W. Graham, Lorraine H. Monchak
(non-voting advisory member), Thomas J. Perna (Chair), Marguerite A. Piret and
Fred J. Ricciardi.


The Independent Trustees Committee is comprised of all of the Independent
Trustees. The Independent Trustees Committee serves as the forum for
consideration of a number of issues required to be considered separately by the
Independent Trustees under the 1940 Act, including the assessment and review of
the fund's advisory agreement and other related party contracts. The
Independent Trustees Committee also considers issues that the Independent
Trustees believe it is advisable for them to consider separately from the
Interested Trustees.


AUDIT COMMITTEE
David R. Bock (Chair), Benjamin M. Friedman, Lorraine H. Monchak (non-voting
advisory member) and Marguerite A. Piret.

The Audit Committee, among other things, oversees the accounting and financial
reporting policies and practices of the fund, oversees the quality and
integrity of the fund's financial statements, approves, and recommends to the
Independent Trustees for their ratification, the engagement of the fund's
independent registered public accounting firm, reviews and evaluates the
accounting firm's qualifications, independence and performance, and approves
the compensation of the accounting firm. The Audit Committee also approves all
audit and permissible non-audit services provided to the fund by the fund's
accounting firm and all permissible non-audit services provided by the fund's
accounting firm to Pioneer and any affiliated service providers of the fund if
the engagement relates directly to the fund's operations and financial
reporting.


GOVERNANCE AND NOMINATING COMMITTEE

Margaret B.W. Graham (Chair), Thomas J. Perna and Fred J. Ricciardi.


The Governance and Nominating Committee considers governance matters affecting
the Board and the fund. Among other responsibilities, the Governance and
Nominating Committee reviews the performance of the Independent Trustees as a
whole, and reviews and recommends to the Independent Trustees Committee any
appropriate changes concerning, among other things, the size and composition of
the Board, the Board's committee structure and the Independent Trustees'
compensation. The Governance and Nominating Committee also makes
recommendations to the Independent Trustees Committee or the Board on matters
delegated to it.

In addition, the Governance and Nominating Committee screens potential
candidates for Independent Trustees. Among other responsibilities, the
Governance and Nominating Committee reviews periodically the criteria for
Independent Trustees and the spectrum of desirable experience and expertise for
Independent Trustees as a whole, and reviews periodically the qualifications
and requisite skills of persons currently serving as Independent Trustees and
being considered for re-nomination. The Governance and Nominating Committee
also reviews the qualifications of any person nominated to serve on the Board
by a shareholder or recommended by any Trustee, management or another person
and makes a recommendation as to the qualifications of such nominated or
recommended person to the Independent Trustees and the Board, and reviews
periodically the Committee's procedure, if any, regarding candidates submitted
by shareholders. The Governance and Nominating Committee does not have
specific, minimum qualifications for nominees,


                                       36
<PAGE>

nor has it established specific qualities or skills that it regards as
necessary for one or more of the Independent Trustees to possess (other than
qualities or skills that may be required by applicable law or regulation).
However, in evaluating a person as a potential nominee to serve as an
Independent Trustee, the Governance and Nominating Committee will consider the
following general criteria and principles, among any others that it may deem
relevant:

o whether the person has a reputation for integrity, honesty and adherence to
  high ethical standards;

o whether the person has demonstrated business acumen and ability to exercise
  sound judgment in matters that relate to the objectives of the fund and
  whether the person is willing and able to contribute positively to the
  decision-making process of the fund;

o whether the person has a commitment and ability to devote the necessary time
  and energy to be an effective Independent Trustee, to understand the fund
  and the responsibilities of a trustee of an investment company;

o whether the person has the ability to understand the sometimes conflicting
  interests of the various constituencies of the fund and to act in the
  interests of all shareholders;

o whether the person has a conflict of interest that would impair his or her
  ability to represent the interests of all shareholders and to fulfill the
  responsibilities of a trustee; and

o the value of diversity on the Board. The Governance and Nominating Committee
  Charter provides that nominees shall not be discriminated against on the
  basis of race, religion, national origin, sex, sexual orientation,
  disability or any other basis proscribed by law.

The Governance and Nominating Committee also will consider whether the nominee
has the experience or skills that the Governance and Nominating Committee
believes would maintain or enhance the effectiveness of the Independent
Trustees' oversight of the fund's affairs, based on the then current
composition and skills of the Independent Trustees and experience or skills
that may be appropriate in light of changing business conditions and regulatory
or other developments. The Governance and Nominating Committee does not
necessarily place the same emphasis on each criterion.

The Governance and Nominating Committee does not have a formal policy for
considering trustee nominees submitted by the fund's shareholders. Nonetheless,
the Nominating Committee may, on an informal basis, consider any shareholder
recommendations of nominees that it receives. Shareholders who wish to
recommend a nominee should send recommendations to the fund's Secretary that
include all information relating to such persons that is required to be
included in solicitations of proxies for the election of trustees.


POLICY ADMINISTRATION COMMITTEE

Thomas J. Perna (Chair), Margaret B.W. Graham, and Fred J. Ricciardi.


The Policy Administration Committee, among other things, oversees and monitors
the fund's compliance with legal and regulatory requirements that are not
directly related to financial reporting, internal financial controls,
independent audits or the performance of the fund's internal audit function.
The Policy Administration Committee also oversees the adoption and
implementation of certain of the fund's policies and procedures.


VALUATION COMMITTEE
David R. Bock, Benjamin M. Friedman, Lorraine H. Monchak (non-voting advisory
member) and Marguerite A. Piret (Chair).

The Valuation Committee, among other things, determines with Pioneer the value
of securities under certain circumstances and considers other matters with
respect to the valuation of securities, in each case in accordance with the
fund's valuation procedures.


                                       37
<PAGE>

OVERSIGHT OF RISK MANAGEMENT
Consistent with its responsibility for oversight of the fund in the interests
of shareholders, the Board of Trustees oversees risk management of the fund's
investment management and business operations. In performing this oversight
function, the Board considers various risks and risk management practices
relating to the fund. The Board has delegated certain aspects of its risk
oversight responsibilities to the committees.

The fund faces a number of risks, such as investment risk, counterparty risk,
valuation risk, enterprise risk, reputational risk, cybersecurity risk, risk of
operational failure or lack of business continuity, and legal, compliance and
regulatory risk. The goal of risk management is to identify and address risks,
i.e., events or circumstances that could have material adverse effects on the
business, operations, shareholder services, investment performance or
reputation of the fund.

Most of the fund's investment management and business operations are carried
out by or through Pioneer, its affiliates, and other service providers, each of
which has an independent interest in risk management but whose policies and the
methods by which one or more risk management functions are carried out may
differ from the fund's and each other's in the setting of priorities, the
resources available or the effectiveness of relevant controls.


Under the overall supervision of the Board or the applicable committee of the
Board, the fund, or Pioneer and the affiliates of Pioneer or other service
providers to the fund employ a variety of processes, procedures and controls in
an effort to identify, address and mitigate risks. Different processes,
procedures and controls are employed with respect to different types of risks.
Various personnel, including the fund's and Pioneer's chief compliance officer
and Pioneer's chief risk officer and director of internal audit, as well as
various personnel of Pioneer and of other service providers, make periodic
reports to the applicable committee or to the Board with respect to various
aspects of risk management, and the applicable committee of the Board reviews
Financial Intermediary Controls and Compliance Assessment (FICCA) reports, if
available. The reports received by the Trustees related to risks typically are
summaries of relevant information.


The Trustees recognize that not all risks that may affect the fund can be
identified, that it may not be practical or cost-effective to eliminate or
mitigate certain risks, that it may be necessary to bear certain risks (such as
investment-related risks) to achieve the fund's goals, that the processes,
procedures and controls employed to address certain risks may be limited in
their effectiveness, and that some risks are simply beyond the control of the
fund or Pioneer and its affiliates or other service providers. As a result of
the foregoing and other factors, the fund's ability to manage risk is subject
to substantial limitations.

In addition, it is important to note that the fund is designed for investors
that are prepared to accept investment risk, including the possibility that as
yet unforeseen risks may emerge in the future.


COMPENSATION OF OFFICERS AND TRUSTEES
The Pioneer Funds, including the fund, compensate their Trustees. The
Independent Trustees review and set their compensation annually, taking into
consideration the committee and other responsibilities assigned to specific
Trustees. The table under "Annual Fees, Expense and Other Information -
Compensation of Officers and Trustees" sets forth the compensation paid to each
of the Trustees. The compensation paid to the Trustees is then allocated among
the funds as follows:

o each fund with assets less than $250 million pays each Independent Trustee an
  annual fee of $1,000.

o the remaining compensation of the Independent Trustees is allocated to each
  fund with assets greater than $250 million based on the fund's net assets.

o the Interested Trustees receive an annual fee of $500 from each fund, except
  in the case of funds with net assets of $50 million or less, which pay each
  Interested Trustee an annual fee of $200. Pioneer reimburses these funds for
  the fees paid to the Interested Trustees.


                                       38
<PAGE>

Except for the chief compliance officer, the fund does not pay any salary or
other compensation to its officers. The fund pays a portion of the chief
compliance officer's compensation for her services as the fund's chief
compliance officer. Pioneer pays the remaining portion of the chief compliance
officer's compensation.

See "Compensation of Officers and Trustees" in "Annual Fee, Expense and Other
Information."


SALES LOADS

The fund offers its shares to Trustees and officers of the fund and employees
of Pioneer and its affiliates without a sales charge (excluding Class T shares)
in order to encourage investment in the fund by individuals who are responsible
for its management and because the sales to such persons do not entail any
sales effort by the fund, brokers or other intermediaries.



OTHER INFORMATION
The Amended and Restated Agreement and Declaration of Trust provides that no
Trustee, officer or employee of the fund shall be liable to the fund or any
shareholder for any action, failure to act, error or mistake except in cases of
bad faith, willful misfeasance, gross negligence or reckless disregard of duty.
The Amended and Restated Agreement and Declaration of Trust requires the fund
to indemnify each Trustee, director, officer, employee and authorized agent to
the fullest extent permitted by law against liability and against all expenses
reasonably incurred or paid by him in connection with any claim, action, suit
or proceeding in which he becomes involved as a party or otherwise by virtue of
his being or having been such a Trustee, director, officer, employee, or agent
and against amounts paid or incurred by him in settlement thereof. The 1940 Act
currently provides that no officer or director shall be protected from
liability to the fund or shareholders for willful misfeasance, bad faith, gross
negligence, or reckless disregard of the duties of office. The Amended and
Restated Agreement and Declaration of Trust extends to Trustees, officers and
employees of the fund the full protection from liability that the law allows.


SHARE OWNERSHIP
See "Annual Fee, Expense and Other Information" for information on the
ownership of fund shares by the Trustees, the fund's officers and owners in
excess of 5% of any class of shares of the fund and a table indicating the
value of shares that each Trustee beneficially owns in the fund and in all the
Pioneer Funds.


PROXY VOTING POLICIES
Information regarding how the fund voted proxies relating to portfolio
securities during the most recent 12-month period ended June 30 is available to
shareowners without charge at http://us.pioneerinvestments.com and on the SEC's
website at http://www.sec.gov. The fund's proxy voting policies and procedures
are attached as "Appendix B".


4. INVESTMENT ADVISER

The fund has entered into an amended and restated management agreement
(hereinafter, the "management contract") with Pioneer pursuant to which Pioneer
acts as the fund's investment adviser. Pioneer is an indirect, wholly owned
subsidiary of UniCredit. Certain Trustees or officers of the fund are also
directors and/or officers of certain of UniCredit's subsidiaries (see
management biographies above). Pioneer has entered into an agreement with its
affiliate, Pioneer Investment Management Limited ("PIML"), pursuant to which
PIML provides certain services to Pioneer.

As the fund's investment adviser, Pioneer provides the fund with investment
research, advice and supervision and furnishes an investment program for the
fund consistent with the fund's investment objective and policies, subject to
the supervision of the fund's Trustees. Pioneer determines what portfolio
securities will be purchased or sold, arranges for the placing of orders for
the purchase or sale of portfolio securities, selects brokers or dealers to
place those orders, maintains books and records with respect to the fund's
securities transactions, and reports to the Trustees on the fund's investments
and performance.


                                       39
<PAGE>

The management contract will continue in effect from year to year provided such
continuance is specifically approved at least annually (i) by the Trustees of
the fund or by a majority of the outstanding voting securities of the fund (as
defined in the 1940 Act), and (ii) in either event, by a majority of the
Independent Trustees of the fund, with such Independent Trustees casting votes
in person at a meeting called for such purpose.

The management contract may be terminated without penalty by the Trustees of
the fund or by vote of a majority of the outstanding voting securities of the
fund on not more than 60 days' nor less than 30 days' written notice to
Pioneer, or by Pioneer on not less than 90 days' written notice to the fund,
and will automatically terminate in the event of its assignment (as defined in
the 1940 Act) by Pioneer. The management contract is not assignable by the fund
except with the consent of Pioneer.

The Trustees' approval of and the terms, continuance and termination of the
management contract are governed by the 1940 Act. Pursuant to the management
contract, Pioneer assumes no responsibility other than to render the services
called for under the management contract, in good faith, and Pioneer will not
be liable for any error of judgment or mistake of law or for any loss arising
out of any investment or for any act or omission in the execution of securities
or other transactions for the fund. Pioneer, however, is not protected against
liability by reason of willful misfeasance, bad faith or gross negligence in
the performance of its duties or by reason of its reckless disregard of its
obligations and duties under the management contract. The management contract
requires Pioneer to furnish all necessary services, facilities and personnel in
connection with the performance of its services under the management contract,
and except as specifically stated therein, Pioneer is not responsible for any
of the fund's ordinary and extraordinary expenses.


ADVISORY FEE
As compensation for its management services and expenses incurred, the fund
pays Pioneer a fee that is comprised of two components. The first component is
an annual basic fee (the "basic fee") equal to 0.60% of the fund's average
daily net assets up to $7.5 billion, 0.575% on the next $2.5 billion of the
fund's average daily net assets and 0.550% on the excess over $10 billion of
the fund's average daily net assets. The second component is a performance fee
adjustment.


PERFORMANCE FEE ADJUSTMENT
The basic fee is subject to an upward or downward adjustment depending on
whether, and to what extent, the investment performance of the Class A shares
of the fund for the relevant performance period exceeds, or is exceeded by, the
investment record (the "record") of the index determined by the fund to be
appropriate over the same period. The Trustees have designated the S&P 500
Index (the "Index") for this purpose. The Index is a widely recognized measure
of the performance of 500 widely held common stocks listed on the New York
Stock Exchange, American Stock Exchange and the over-the-counter market.

The performance period consists of the current month and the prior 35 months.
Each percentage point of difference (up to a maximum difference of +/- 10
percentage points) would result in a performance rate adjustment of 0.01%. The
maximum rate adjustment is therefore +/- 0.10%. An appropriate percentage of
this rate (based upon the number of days in the current month) is then
multiplied by the average daily net assets of the fund over the entire
performance period, giving a dollar amount that will be added to (or subtracted
from) the basic fee. Pioneer contractually limits any positive adjustment of
the fund's management fee to 0.10% of the fund's average daily net assets on an
annual basis (i.e., to a maximum annual fee of 0.70% after the performance
adjustment).


PERFORMANCE ADJUSTMENT EXAMPLE
The following hypothetical example illustrates the application of the
performance adjustment.

For purposes of the example, any dividends or capital gain distributions paid
by the fund are treated as if reinvested in shares of the fund at net asset
value, and any dividends paid on the stocks in the Index are treated as if
reinvested in the Index.


                                       40
<PAGE>

EXAMPLE ASSUMING THE FUND OUTPERFORMS THE INDEX
The example also makes these assumptions:


<TABLE>
<CAPTION>
                                                                  FUND'S
                             FUND'S       INDEX'S            PERFORMANCE
FOR THE                  INVESTMENT    CUMULATIVE            RELATIVE TO
PERFORMANCE PERIOD      PERFORMANCE        CHANGE              THE INDEX
--------------------  -------------  ------------  ---------------------
<S>                   <C>            <C>           <C>
First day             $10                   100
--------------------  ---                  ----    ---------------------
Last day              $13                   123
--------------------  ---                  ----    ---------------------
Absolute change       +$3            +$23
--------------------  ---            ----          ---------------------
Actual change                +30%          +23%    +7 percentage points
--------------------          ---          ----    ---------------------
</TABLE>

Based on these assumptions, the fund calculates Pioneer's management fee rate
for the last month of the performance period as follows:

o The portion of the annual basic fee rate of 0.60% applicable to that month is
  multiplied by the fund's average daily net assets for the month. This
  results in the dollar amount of the basic fee.

o The +7 percentage point difference between the performance of the fund's
  Class A shares and the record of the Index is multiplied by the performance
  rate adjustment of 0.01% producing a rate of 0.07%.

o The 0.07% rate (adjusted for the number of days in the month) is multiplied
  by the fund's average daily net assets for the performance period. This
  results in the dollar amount of the performance adjustment.

o The dollar amount of the performance adjustment is added to the dollar amount
  of the basic fee producing the adjusted management fee.

If the record of the Index during the performance period exceeded the fund's
performance, the dollar amount of the performance adjustment would be deducted
from the dollar amount of the basic fee.


EXAMPLE ASSUMING THE INDEX OUTPERFORMS THE FUND
The example also makes these assumptions:


<TABLE>
<CAPTION>
                                                                   FUND'S
                             FUND'S       INDEX'S             PERFORMANCE
FOR THE                  INVESTMENT    CUMULATIVE             RELATIVE TO
PERFORMANCE PERIOD      PERFORMANCE        CHANGE               THE INDEX
--------------------  -------------  ------------  ----------------------
<S>                   <C>            <C>           <C>
First day             $10                   100
--------------------  ---                  ----    ----------------------
Last day              $11                   120
--------------------  ---                  ----    ----------------------
Absolute change       +$1            +$20
--------------------  ---            ----          ----------------------
Actual change                +10%          +20%    -10 percentage points
--------------------          ---          ----    ----------------------
</TABLE>

Based on these assumptions, the fund calculates Pioneer's management fee rate
for the last month of the performance period as follows:

o The portion of the annual basic fee rate of 0.60% applicable to that month is
  multiplied by the fund's average daily net assets for the month. This
  results in the dollar amount of the basic fee.

o The -10 percentage point difference between the performance of the fund's
  Class A shares and the record of the Index is multiplied by the performance
  rate adjustment of 0.01% producing a rate of 0.10%.

o The -0.10% rate (adjusted for the number of days in the month) is multiplied
  by the fund's average daily net assets for the performance period. This
  results in the dollar amount of the performance adjustment.

o The dollar amount of the performance adjustment is added to the dollar amount
  of the basic fee producing the adjusted management fee.


                                       41
<PAGE>

Because the adjustment to the basic fee is based on the comparative performance
of the fund and the record of the Index, the controlling factor is not whether
fund performance is up or down, but whether it is up or down more or less than
the record of the Index. Moreover, the comparative investment performance of
the fund is based solely on the relevant performance period without regard to
the cumulative performance over a longer or shorter period of time.

From time to time, the Trustees may determine that another securities index is
a more appropriate benchmark than the Index for purposes of evaluating the
performance of the fund. In such event, a successor index may be substituted
for the Index in prospectively calculating the performance based adjustment to
the basic fee. However, the calculation of the performance adjustment for any
portion of the performance period prior to the adoption of the successor index
would still be based upon the fund's performance compared to the Index. The
fund has been advised that the staff of the Securities and Exchange Commission
takes the position that the Board may not substitute a new Index without
shareholder approval. Consequently, until the position of the staff changes,
the fund would submit any change in the Index to shareholders for their
approval.

It is not possible to predict the effect of the performance adjustment on the
overall compensation to Pioneer in the future since it will depend on the
performance of the fund relative to the record of the Index.

The board determined that it would be appropriate to increase Pioneer's
compensation and that the amount of the increase should be greater when the
fund's performance exceeds that of an objective index and, conversely, lower
when the fund's performance is poorer than the record of that index. The Index
was deemed appropriate for this comparison because it is composed of stocks
similar to the securities in which the fund is permitted to invest. The board
believes that a performance adjustment is appropriate for the fund and that
providing incentives to Pioneer based on its performance benefits shareholders.

Under the terms of the management contract, the fund pays management fees at a
rate equal to the basic fee plus or minus the amount of the performance
adjustment for the current month and the preceding 35 months. At the end of
each succeeding month, the performance period will roll forward one month so
that it is always a 36-month period consisting of the current month and the
prior 35 months as described above.

The basic fee is computed and accrued daily, the performance fee adjustment is
calculated once per month and the entire management fee is paid monthly.

See the table in "Annual Fee, Expense and Other Information" for management
fees paid to Pioneer during recently completed fiscal years.


ADMINISTRATION AGREEMENT
The fund has entered into an amended and restated administration agreement with
Pioneer pursuant to which Pioneer acts as the fund's administrator, performing
certain accounting, administration and legal services for the fund. Pioneer is
reimbursed for its cost of providing such services. The cost of providing these
services is based on direct costs and costs of overhead, subject to review by
the Board of Trustees. See "Annual Fee, Expense and Other Information" for fees
the fund paid to Pioneer for administration and related services. In addition,
Brown Brothers Harriman & Co. performs certain sub-administration services to
the fund pursuant to an agreement with Pioneer and the fund.

Under the terms of the amended and restated administration agreement with the
fund, Pioneer pays or reimburses the fund for expenses relating to its services
for the fund, with the exception of the following, which are to be paid by the
fund: (a) charges and expenses for fund accounting, pricing and appraisal
services and related overhead, including, to the extent such services are
performed by personnel of Pioneer, or its affiliates, office space and
facilities and personnel compensation, training and benefits; (b) the charges
and expenses of auditors; (c) the charges and expenses of any custodian,
transfer agent,


                                       42
<PAGE>


plan agent, dividend disbursing agent and registrar appointed by the fund; (d)
issue and transfer taxes, chargeable to the fund in connection with securities
transactions to which the fund is a party; (e) insurance premiums, interest
charges, dues and fees for membership in trade associations and all taxes and
corporate fees payable by the fund to federal, state or other governmental
agencies; (f) fees and expenses involved in registering and maintaining
registrations of the fund and/or its shares with federal regulatory agencies,
state or blue sky securities agencies and foreign jurisdictions, including the
preparation of prospectuses and statements of additional information for filing
with such regulatory authorities; (g) all expenses of shareholders' and
Trustees' meetings and of preparing, printing and distributing prospectuses,
notices, proxy statements and all reports to shareholders and to governmental
agencies; (h) charges and expenses of legal counsel to the fund and the
Trustees; (i) any distribution fees paid by the fund in accordance with Rule
12b-1 promulgated by the SEC pursuant to the 1940 Act; (j) compensation of
those Trustees of the fund who are not affiliated with or interested persons of
Pioneer, the fund (other than as Trustees), PIM-USA or the distributor; (k) the
cost of preparing and printing share certificates; (l) interest on borrowed
money, if any; (m) fees payable by the fund under management agreements and the
administration agreement; and (n) extraordinary expenses. The fund shall also
assume and pay any other expense that the fund, Pioneer or any other agent of
the fund may incur not listed above that is approved by the Board of Trustees
(including a majority of the Independent Trustees) as being an appropriate
expense of the fund. The fund shall pay all fees and expenses to be paid by the
fund under the sub-administration agreement with Brown Brothers Harriman & Co.
In addition, 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.



POTENTIAL CONFLICTS OF INTEREST
The fund is managed by Pioneer, which also serves as investment adviser to
other Pioneer mutual funds and other accounts (including separate accounts and
unregistered products) with investment objectives identical or similar to those
of the fund. Securities frequently meet the investment objectives of the fund,
the other Pioneer mutual funds and such other 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
Pioneer mutual funds or a private account managed by Pioneer seeks to acquire
the same security at about the same time, the fund may not be able to acquire
as large a position in such security as it desires or it may have to pay a
higher price for the security. Similarly, the fund may not be able to obtain as
large an execution of an order to sell or as high a price for any particular
portfolio security if Pioneer 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. 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 account. Although the other
Pioneer mutual funds may have the same or similar investment objectives and
policies as the fund, their portfolios do not generally consist of the same
investments as the fund or each other, and their performance results are likely
to differ from those of the fund.


                                       43
<PAGE>

PERSONAL SECURITIES TRANSACTIONS
The fund, Pioneer, and PFD have adopted a code of ethics under Rule 17j-1 under
the 1940 Act which is applicable to officers, trustees/directors and designated
employees of Pioneer and certain of Pioneer's affiliates. The code permits such
persons to engage in personal securities transactions for their own accounts,
including securities that may be purchased or held by the fund, and is designed
to prescribe means reasonably necessary to prevent conflicts of interest from
arising in connection with personal securities transactions. The code is on
public file with and available from the SEC.


5. PRINCIPAL UNDERWRITER AND DISTRIBUTION PLAN


PRINCIPAL UNDERWRITER
PFD, 60 State Street, Boston, Massachusetts 02109, is the principal underwriter
for the fund in connection with the continuous offering of its shares. PFD is
an indirect wholly owned subsidiary of PIM-USA.

The fund entered into an underwriting agreement with PFD which provides that
PFD will bear expenses for the distribution of the fund's shares, except for
expenses incurred by PFD for which it is reimbursed or compensated by the fund
under the distribution plan (discussed below). PFD bears all expenses it incurs
in providing services under the underwriting agreement. Such expenses include
compensation to its employees and representatives and to securities dealers for
distribution-related services performed for the fund. PFD also pays certain
expenses in connection with the distribution of the fund's shares, including
the cost of preparing, printing and distributing advertising or promotional
materials, and the cost of printing and distributing prospectuses and
supplements to prospective shareholders. The fund bears the cost of registering
its shares under federal and state securities law and the laws of certain
non-U.S. countries. Under the underwriting agreement, PFD will use its best
efforts in rendering services to the fund.


See "Sales Charges" for the schedule of initial sales charge reallowed to
dealers as a percentage of the offering price of the fund's Class A and Class T
shares.


See the tables under "Annual Fee, Expense and Other Information" for
commissions retained by PFD and reallowed to dealers in connection with PFD's
offering of the fund's Class A and Class C shares during recently completed
fiscal years.

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.

It is the fund's general practice to repurchase its shares of beneficial
interest for cash consideration in any amount; however, the redemption price of
shares of the fund may, at Pioneer's discretion, be paid in portfolio
securities. The fund has elected to be governed by Rule 18f-1 under the 1940
Act pursuant to which the fund is obligated to redeem shares solely in cash up
to the lesser of $250,000 or 1% of the fund's net asset value during any 90-day
period for any one shareholder. Should the amount of redemptions by any
shareholder exceed such limitation, the fund will have the option of redeeming
the excess in cash or portfolio securities. In the latter case, the securities
are taken at their value employed in determining the fund's net asset value.
You may incur additional costs, such as brokerage fees and taxes, and risks,
including a decline in the value of the securities you receive, if the fund
makes an in-kind distribution.


DISTRIBUTION PLAN

The fund has adopted a distribution plan (the "Distribution Plan") pursuant to
Rule 12b-1 under the 1940 Act with respect to its Class A, Class C, Class R and
Class T shares. The fund has not adopted a Distribution Plan with respect to
its Class Y shares.



                                       44
<PAGE>

For each Class that has adopted a Distribution Plan, fees under the
Distribution Plan may be used to make payments to one or more principal
underwriters, broker-dealers, financial intermediaries (which may include
banks) and other parties that enter into a distribution, selling or service
agreement with respect to the shares of such Class (each of the foregoing, a
"Service Party"). The fund, its principal underwriter or other parties also may
incur expenses in connection with the distribution or marketing and sales of
the fund's shares that may be paid or reimbursed by the fund. The aggregate
amount in respect of such fees and expenses with respect to each Class shall be
the amount calculated at a percentage per annum of the average daily net assets
attributable to such Class as set forth below:



<TABLE>
<CAPTION>
            APPLICABLE PERCENTAGE
CLASS                   PER ANNUM
---------  ----------------------
<S>        <C>
Class A                    0.25%
---------                   ----
Class C                    1.00%
---------                   ----
Class R                    0.50%
---------                   ----
Class T                    0.25%
---------                   ----
</TABLE>



Payments are made under the Distribution Plan for distribution services and
other activities in respect of the sale of shares of the fund and to make
payments for advertising, marketing or other promotional activity, and for
preparation, printing, and distribution of prospectuses, statements of
additional information and reports for recipients other than regulators and
existing shareholders. The fund also may make payments to Service Parties under
the Distribution Plan for providing personal service or the maintenance of
shareholder accounts. The amounts paid to each recipient may vary based upon
certain factors, including, among other things, the levels of sales of fund
shares and/or shareholder services provided; provided, however, that the fees
paid to a recipient with respect to a particular Class that may be used to
cover expenses primarily intended to result in the sale of shares of that
Class, or that may be used to cover expenses primarily intended for personal
service and/or maintenance of shareholder accounts, may not exceed the maximum
amounts, if any, as may from time to time be permitted for such services under
the Financial Industry Regulatory Authority ("FINRA") Conduct Rule 2341 or any
successor rule, in each case as amended or interpreted by FINRA.


The Distribution Plan also provides that the Service Parties may receive all or
a portion of any sales charges paid by investors.

The Distribution Plan permits the fund to pay fees to the Service Parties as
compensation for their services, not as reimbursement for specific expenses
incurred. Thus, even if their expenses exceed the fees provided for by the
Distribution Plan, the fund will not be obligated to pay more than those fees
and, if their expenses are less than the fees paid to them, they will realize a
profit. The fund may pay the fees to the Service Parties until the Distribution
Plan or any related distribution agreement is terminated or not renewed. In
that event, a Service Party's expenses in excess of fees received or accrued
through the termination date will be such Service Party's sole responsibility
and not obligations of the fund. In their annual consideration of the
continuation of the Distribution Plan for the fund, the Trustees will review
the Distribution Plan and the expenses for each Class within the fund
separately. The fund may participate in joint distribution activities with
other Pioneer funds. The costs associated with such joint distribution
activities are allocated to a fund based on the number of shares sold.

The Distribution Plan also recognizes that Pioneer, PFD or any other Service
Party may make payments for distribution-related expenses out of its own
resources, including past profits, or payments received from the fund for other
purposes, such as management fees, and that the Service Parties may from time
to time use their own resources for distribution-related services, in addition
to the fees paid under the Distribution Plan. The Distribution Plan
specifically provides that, to the extent that such payments might be deemed to
be indirect financing of any activity primarily intended to result in the sale
of shares of the fund within the context of Rule 12b-1, then the payments are
deemed to be authorized by the Distribution Plan but not subject to the maximum
amounts set forth above.


                                       45
<PAGE>

Under its terms, the Distribution Plan continues in effect for one year and
thereafter for successive annual periods, provided such continuance is
specifically approved at least annually by vote of the Board, including a
majority of the Independent Trustees who have no direct or indirect financial
interest in the operation of the Distribution Plan. The Distribution Plan may
not be amended to increase materially the amount of the service and
distribution fees without shareholder approval, and all material amendments of
the Distribution Plan also must be approved by the Trustees, including all of
the Independent Trustees, in the manner described above. The Distribution Plan
may be terminated with respect to a Class of the fund at any time, without
penalty, by vote of a majority of the Independent Trustees or by vote of a
majority of the outstanding voting securities of such Class of the fund (as
defined in the 1940 Act).

See "Annual Fee, Expense and Other Information" for fund expenses under the
Distribution Plan paid to PFD for the most recently completed fiscal year.


CLASS C SHARES
PFD will advance to dealers the first-year service fee at a rate equal to 0.25%
of the amount invested. As compensation therefor, PFD may retain the service
fee paid by the fund with respect to such shares for the first year after
purchase. Commencing in the 13th month following the purchase of Class C
shares, dealers will become eligible for additional annual distribution fees
and service fees of up to 0.75% and 0.25%, respectively, of the net asset value
of such shares. Dealers may from time to time be required to meet certain other
criteria in order to receive service fees.


SERVICE PLAN FOR CLASS R SHARES
The fund has adopted a service plan (the "Service Plan") with respect to its
Class R shares under which the fund is authorized to pay securities dealers,
plan administrators or other service organizations who agree to provide certain
services to plans or plan participants holding shares of the fund a service fee
of up to 0.25% of the fund's average daily net assets attributable to Class R
shares held by such plan participants. These services may include (a) acting,
directly or through an agent, as the shareholder of record and nominee for all
plan participants, (b) maintaining account records for each plan participant
that beneficially owns Class R shares, (c) processing orders to purchase,
redeem and exchange Class R shares on behalf of plan participants, and handling
the transmission of funds representing the purchase price or redemption
proceeds, and (d) addressing plan participant questions regarding their
accounts and the fund.


6. SHAREHOLDER SERVICING/TRANSFER AGENT

The fund has contracted with Boston Financial Data Services, Inc., 2000 Crown
Colony Drive, Quincy, Massachusetts, 02169, to act as shareholder servicing and
transfer agent for the fund.

Under the terms of its contract with the fund, Boston Financial Data Services,
Inc. services shareholder accounts, and its duties include: (i) processing
sales, redemptions and exchanges of shares of the fund; (ii) distributing
dividends and capital gains associated with the fund's portfolio; and (iii)
maintaining account records and responding to shareholder inquiries.


7. CUSTODIAN AND SUB-ADMINISTRATOR

Brown Brothers Harriman & Co. ("BBH"), 50 Post Office Square, Boston,
Massachusetts 02110, 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.

BBH also performs certain fund accounting and fund administration services for
the Pioneer Fund complex, including the fund. For performing such services, BBH
receives fees based on complex-wide assets.

                                       46
<PAGE>

8. INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


Deloitte & Touche LLP, 200 Berkeley Street, Boston, MA 02116, independent
registered public accounting firm, provided audit services, tax return review
services, and assistance and consultation with respect to filings with the SEC
for the fiscal year ended December 31, 2016.



9. PORTFOLIO MANAGEMENT


ADDITIONAL INFORMATION ABOUT THE PORTFOLIO MANAGERS

OTHER ACCOUNTS MANAGED BY THE PORTFOLIO MANAGERS

The table below indicates, for the portfolio managers of the fund, information
about the accounts other than the fund over which the portfolio manager has
day-to-day investment responsibility. All information on the number of accounts
and total assets in the table is as of December 31, 2016. For purposes of the
table, "Other Pooled Investment Vehicles" may include investment partnerships,
undertakings for collective investments in transferable securities ("UCITS")
and other non-U.S. investment funds and group trusts, and "Other Accounts" may
include separate accounts for institutions or individuals, insurance company
general or separate accounts, pension funds and other similar institutional
accounts but generally do not include the portfolio manager's personal
investment accounts or those which the manager may be deemed to own
beneficially under the code of ethics. Certain funds and other accounts managed
by the portfolio manager may have substantially similar investment strategies.




<TABLE>
<CAPTION>
                                                                                            NUMBER OF          ASSETS
                                                                                             ACCOUNTS         MANAGED
                                                                                          MANAGED FOR       FOR WHICH
                                                                                       WHICH ADVISORY        ADVISORY
                                                       NUMBER OF                               FEE IS          FEE IS
NAME OF                                                 ACCOUNTS       TOTAL ASSETS      PERFORMANCE-    PERFORMANCE-
PORTFOLIO MANAGER       TYPE OF ACCOUNT                  MANAGED    MANAGED (000'S)             BASED   BASED (000'S)
----------------------  ---------------------------- -----------  -----------------  ----------------  --------------
<S>                     <C>                          <C>          <C>                <C>               <C>
Jeff Kripke             Other Registered Investment
                        Companies                            2    $4,741,403                    N/A              N/A
                        Other Pooled Investment
                        Vehicles                             1    $1,489,217                      1    $1,489,217
                        Other Accounts                       0    $        0                    N/A              N/A
----------------------  ---------------------------- -----------  ----------         ----------------     ----------
John A. Carey           Other Registered
                        Investment Companies                 4    $2,469,788                    N/A              N/A
                        Other Pooled Investment
                        Vehicles                             2    $1,527,378                      1    $1,527,378
                        Other Accounts                       0    $        0                    N/A              N/A
----------------------  ---------------------------- -----------  ----------         ----------------     ----------
Walter Hunnewell Jr.    Other Registered Investment
                        Companies                            4    $2,753,906                    N/A              N/A
                        Other Pooled Investment
                        Vehicles                             3    $1,647,428                      1    $1,489,217
                        Other Accounts                       0    $        0                    N/A              N/A
----------------------  ---------------------------- -----------  ----------         ----------------     ----------
</TABLE>


POTENTIAL CONFLICTS OF INTEREST
When a portfolio manager is responsible for the management of more than one
account, the potential arises for the portfolio manager to favor one account
over another. The principal types of potential conflicts of interest that may
arise are discussed below. For the reasons outlined below, Pioneer does not
believe that any material conflicts are likely to arise out of a portfolio
manager's responsibility for the management of the fund as well as one or more
other accounts. Although Pioneer has adopted procedures that it believes are
reasonably designed to detect and prevent violations of the federal


                                       47
<PAGE>

securities laws and to mitigate the potential for conflicts of interest to
affect its portfolio management decisions, there can be no assurance that all
conflicts will be identified or that all procedures will be effective in
mitigating the potential for such risks. Generally, the risks of such conflicts
of interest are increased to the extent that a portfolio manager has a
financial incentive to favor one account over another. Pioneer has structured
its compensation arrangements in a manner that is intended to limit such
potential for conflicts of interest. See "Compensation of Portfolio Managers"
below.

o A portfolio manager could favor one account over another in allocating new
  investment opportunities that have limited supply, such as initial public
  offerings and private placements. If, for example, an initial public
  offering that was expected to appreciate in value significantly shortly
  after the offering was allocated to a single account, that account may be
  expected to have better investment performance than other accounts that did
  not receive an allocation of the initial public offering. Generally,
  investments for which there is limited availability are allocated based upon
  a range of factors including available cash and consistency with the
  accounts' investment objectives and policies. This allocation methodology
  necessarily involves some subjective elements but is intended over time to
  treat each client in an equitable and fair manner. Generally, the investment
  opportunity is allocated among participating accounts on a pro rata basis.
  Although Pioneer believes that its practices are reasonably designed to
  treat each client in an equitable and fair manner, there may be instances
  where a fund may not participate, or may participate to a lesser degree than
  other clients, in the allocation of an investment opportunity.

o A portfolio manager could favor one account over another in the order in
  which trades for the accounts are placed. If a portfolio manager determines
  to purchase a security for more than one account in an aggregate amount that
  may influence the market price of the security, accounts that purchased or
  sold the security first may receive a more favorable price than accounts
  that made subsequent transactions. The less liquid the market for the
  security or the greater the percentage that the proposed aggregate purchases
  or sales represent of average daily trading volume, the greater the
  potential for accounts that make subsequent purchases or sales to receive a
  less favorable price. When a portfolio manager intends to trade the same
  security on the same day for more than one account, the trades typically are
  "bunched," which means that the trades for the individual accounts are
  aggregated and each account receives the same price. There are some types of
  accounts as to which bunching may not be possible for contractual reasons
  (such as directed brokerage arrangements). Circumstances may also arise
  where the trader believes that bunching the orders may not result in the
  best possible price. Where those accounts or circumstances are involved,
  Pioneer will place the order in a manner intended to result in as favorable
  a price as possible for such client.

o A portfolio manager could favor an account if the portfolio manager's
  compensation is tied to the performance of that account to a greater degree
  than other accounts managed by the portfolio manager. If, for example, the
  portfolio manager receives a bonus based upon the performance of certain
  accounts relative to a benchmark while other accounts are disregarded for
  this purpose, the portfolio manager will have a financial incentive to seek
  to have the accounts that determine the portfolio manager's bonus achieve
  the best possible performance to the possible detriment of other accounts.
  Similarly, if Pioneer receives a performance-based advisory fee, the
  portfolio manager may favor that account, whether or not the performance of
  that account directly determines the portfolio manager's compensation.

o A portfolio manager could favor an account if the portfolio manager has a
  beneficial interest in the account, in order to benefit a large client or to
  compensate a client that had poor returns. For example, if the portfolio
  manager held an interest in an investment partnership that was one of the
  accounts managed by the portfolio manager, the portfolio manager would have
  an economic incentive to favor the account in which the portfolio manager
  held an interest.

o If the different accounts have materially and potentially conflicting
  investment objectives or strategies, a conflict of interest could arise. For
  example, if a portfolio manager purchases a security for one account and
  sells the same security for another account, such trading pattern may
  disadvantage either the


                                       48
<PAGE>

 account that is long or short. In making portfolio manager assignments,
 Pioneer seeks to avoid such potentially conflicting situations. However, where
 a portfolio manager is responsible for accounts with differing investment
 objectives and policies, it is possible that the portfolio manager will
 conclude that it is in the best interest of one account to sell a portfolio
 security while another account continues to hold or increase the holding in
 such security.


COMPENSATION OF PORTFOLIO MANAGERS
Pioneer has adopted a system of compensation for portfolio managers that seeks
to align the financial interests of the portfolio managers with those of
shareholders of the accounts (including Pioneer funds) the portfolio managers
manage, as well as with the financial performance of Pioneer. The compensation
program for all Pioneer portfolio managers includes a base salary (determined
by the rank and tenure of the employee) and an annual bonus program, as well as
customary benefits that are offered generally to all full-time employees. Base
compensation is fixed and normally reevaluated on an annual basis. Pioneer
seeks to set base compensation at market rates, taking into account the
experience and responsibilities of the portfolio manager. The bonus plan is
intended to provide a competitive level of annual bonus compensation that is
tied to the portfolio manager achieving superior investment performance and
align the interests of the investment professional with those of shareholders,
as well as with the financial performance of Pioneer. Any bonus under the plan
is completely discretionary, with a maximum annual bonus that may be in excess
of base salary. The annual bonus is based upon a combination of the following
factors:

o QUANTITATIVE INVESTMENT PERFORMANCE. The quantitative investment performance
  calculation is based on pre-tax investment performance of all of the
  accounts managed by the portfolio manager (which includes the fund and any
  other accounts managed by the portfolio manager) over a one-year period (20%
  weighting) and four-year period (80% weighting), measured for periods ending
  on December 31. The accounts, which include the fund, are ranked against a
  group of mutual funds with similar investment objectives and investment
  focus (60%) and a broad-based securities market index measuring the
  performance of the same type of securities in which the accounts invest
  (40%), which, in the case of the fund, is the Standard & Poor's 500 Index.
  As a result of these two benchmarks, the performance of the portfolio
  manager for compensation purposes is measured against the criteria that are
  relevant to the portfolio manager's competitive universe.

o QUALITATIVE PERFORMANCE. The qualitative performance component with respect
  to all of the accounts managed by the portfolio manager includes objectives,
  such as effectiveness in the areas of teamwork, leadership, communications
  and marketing, that are mutually established and evaluated by each portfolio
  manager and management.

o PIONEER RESULTS AND BUSINESS LINE RESULTS. Pioneer's financial performance,
  as well as the investment performance of its investment management group,
  affect a portfolio manager's actual bonus by a leverage factor of plus or
  minus (+/-) a predetermined percentage.

The quantitative and qualitative performance components comprise 80% and 20%,
respectively, of the overall bonus calculation (on a pre-adjustment basis). A
portion of the annual bonus is deferred for a specified period and may be
invested in one or more Pioneer funds.

Certain portfolio managers participate in other programs designed to reward and
retain key contributors. Senior executives or other key employees are granted
performance units based on the stock price performance of UniCredit and the
financial performance of Pioneer Global Asset Management S.p.A., which are
affiliates of Pioneer. Portfolio managers also may participate in a deferred
compensation program, whereby deferred amounts are invested in one or more
Pioneer funds.


SHARE OWNERSHIP BY PORTFOLIO MANAGERS

The following table indicates as of December 31, 2016 the value, within the
indicated range, of shares beneficially owned by the portfolio managers of the
fund.



                                       49
<PAGE>



<TABLE>
<CAPTION>
                             BENEFICIAL OWNERSHIP
NAME OF PORTFOLIO MANAGER    OF THE FUND*
---------------------------  ---------------------
<S>                          <C>
Jeff Kripke                  E
---------------------------  ---------------------
John A. Carey                G
---------------------------  ---------------------
Walter Hunnewell Jr.         A
---------------------------  ---------------------
</TABLE>


*     Key to Dollar Ranges


<TABLE>
<S>  <C>
A.   None
B.   $1 - $10,000
C.   $10,001 - $50,000
D.   $50,001 - $100,000
E.   $100,001 - $500,000
F.   $500,001 - $1,000,000
G.   Over $1,000,000
</TABLE>

10. PORTFOLIO TRANSACTIONS

All orders for the purchase or sale of portfolio securities are placed on
behalf of the fund by Pioneer pursuant to authority contained in the fund's
management contract. Pioneer seeks to obtain overall best execution on
portfolio trades. The price of securities and any commission rate paid are
always factors, but frequently not the only factors, in judging best execution.
In selecting brokers or dealers, Pioneer considers various relevant factors,
including, but not limited to, the size and type of the transaction; the nature
and character of the markets for the security to be purchased or sold; the
execution efficiency, settlement capability and financial condition of the
dealer; the dealer's execution services rendered on a continuing basis; and the
reasonableness of any dealer spreads. Transactions in non-U.S. equity
securities are executed by broker-dealers in non-U.S. countries in which
commission rates may not be negotiable (as such rates are in the U.S.).

Pioneer may select broker-dealers that provide brokerage and/or research
services to the fund and/or other investment companies or other accounts
managed by Pioneer over which it or its affiliates exercise investment
discretion. In addition, consistent with Section 28(e) of the Securities
Exchange Act of 1934, as amended, if Pioneer 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, 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; providing stock quotation services, credit rating service
information and comparative fund statistics; furnishing analyses, electronic
information services, manuals and reports concerning issuers, industries,
securities, economic factors and trends, portfolio strategy, and performance of
accounts and particular investment decisions; and effecting securities
transactions and performing functions incidental thereto (such as clearance and
settlement). Pioneer maintains a listing of broker-dealers who provide such
services on a regular basis. However, because many transactions on behalf of
the fund and other investment companies or accounts managed by Pioneer are
placed with broker-dealers (including broker-dealers on the listing) without
regard to the furnishing of such services, it is not possible to estimate the
proportion of such transactions directed to such dealers solely because such
services were provided. Pioneer believes that no exact dollar value can be
calculated for such services.

The research received from broker-dealers may be useful to Pioneer in rendering
investment management services to the fund as well as other investment
companies or other accounts managed by Pioneer, 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 accounts
may be useful


                                       50
<PAGE>

to Pioneer in carrying out its obligations to the fund. The receipt of such
research enables Pioneer to avoid the additional expenses which might otherwise
be incurred if it were to attempt to develop comparable information through its
own staff.

The fund may participate in third-party brokerage and/or expense offset
arrangements to reduce the fund's total operating expenses. Pursuant to
third-party brokerage arrangements, the fund may incur lower expenses by
directing brokerage to third-party broker-dealers which have agreed to use part
of their commission to pay the fund's fees to service providers unaffiliated
with Pioneer or other expenses. Since the commissions paid to the third party
brokers reflect a commission cost that the fund would generally expect to incur
on its brokerage transactions but not necessarily the lowest possible
commission, this arrangement is intended to reduce the fund's operating
expenses without increasing the cost of its brokerage commissions. Since use of
such directed brokerage is subject to the requirement to achieve best execution
in connection with the fund's brokerage transactions, there can be no assurance
that such arrangements will be utilized. Pursuant to expense offset
arrangements, the fund may incur lower transfer agency expenses due to interest
earned on cash held with the transfer agent. See "Financial highlights" in the
prospectus.

See the table in "Annual Fee, Expense and Other Information" for aggregate
brokerage and underwriting commissions paid by the fund in connection with its
portfolio transactions during recently completed fiscal years. The Board of
Trustees periodically reviews Pioneer's performance of its responsibilities in
connection with the placement of portfolio transactions on behalf of the fund.


11. DESCRIPTION OF SHARES

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 next determined net asset value per share
less any applicable contingent deferred sales charge ("CDSC"). See "Sales
Charges." 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 is a series of Pioneer Fund, a Delaware statutory trust. The Trustees
have authorized the issuance of the following classes of shares of the fund,
designated as Class A, Class C, Class R, Class T and Class Y shares. Until
November 10, 2014, the fund offered Class B shares. All outstanding Class B
shares were converted to Class A shares on November 10, 2014. Until August 7,
2015, the fund offered Class Z shares. All outstanding Class Z shares were
converted to Class Y shares on August 7, 2015. Each share of a class of the
fund represents an equal proportionate interest in the assets of the fund
allocable to that class. Upon liquidation of the fund, shareholders of each
class of the fund are entitled to share pro rata in the fund's net assets
allocable to such class available for distribution to shareholders. The Trust
reserves the right to create and issue additional series or classes of shares,
in which case the shares of each class of a series would participate equally in
the earnings, dividends and assets allocable to that class of the particular
series.


The shares of each class represent an interest in the same portfolio of
investments of the fund. Each class has identical rights (based on relative net
asset values) to assets and liquidation proceeds. Share classes can bear
different class-specific fees and expenses such as transfer agent and
distribution fees. Differences in class-specific fees and expenses will result
in differences in net investment income and, therefore, the payment of
different dividends by each class. Share classes have exclusive voting rights
with respect to matters affecting only that class, including with respect to
the distribution plan for that class.


                                       51
<PAGE>

THE TRUST
The Trust's operations are governed by the Amended and Restated Agreement and
Declaration of Trust, dated as of July 1, 2008 (referred to in this section as
the declaration). A copy of the Trust's Certificate of Trust dated as of April
26, 1996, as amended, is on file with the office of the Secretary of State of
Delaware.

Delaware law provides a statutory framework for the powers, duties, rights and
obligations of the board (referred to in this section as the trustees) and
shareholders of the Delaware statutory trust, while the more specific powers,
duties, rights and obligations of the trustees and the shareholders are
determined by the trustees as set forth in the declaration. Some of the more
significant provisions of the declaration are described below.


SHAREHOLDER VOTING
The declaration provides for shareholder voting as required by the 1940 Act or
other applicable laws but otherwise permits, consistent with Delaware law,
actions by the trustees without seeking the consent of shareholders. The
trustees may, without shareholder approval, where approval of shareholders is
not otherwise required under the 1940 Act, merge or consolidate the Trust into
other entities, reorganize the Trust or any series or class into another trust
or entity or a series or class of another entity, sell the assets of the Trust
or any series or class to another entity, or a series or class of another
entity, or terminate the Trust or any series or class.

The fund is not required to hold an annual meeting of shareholders, but the
fund will call special meetings of shareholders whenever required by the 1940
Act or by the terms of the declaration. The declaration gives the board the
flexibility to specify either per share voting or dollar-weighted voting. Under
per share voting, each share of the fund is entitled to one vote. Under
dollar-weighted voting, a shareholder's voting power is determined, not by the
number of shares the shareholder owns, but by the dollar value of those shares
determined on the record date. All shareholders of all series and classes of
the Trust vote together, except where required by the 1940 Act to vote
separately by series or by class, or when the trustees have determined that a
matter affects only the interests of one or more series or classes of shares.


ELECTION AND REMOVAL OF TRUSTEES
The declaration provides that the trustees may establish the number of trustees
and that vacancies on the board may be filled by the remaining trustees, except
when election of trustees by the shareholders is required under the 1940 Act.
Trustees are then elected by a plurality of votes cast by shareholders at a
meeting at which a quorum is present. The declaration also provides that a
mandatory retirement age may be set by action of two-thirds of the trustees and
that trustees may be removed at any time or for any reason by a majority of the
board or by a majority of the outstanding shareholders of the Trust.


AMENDMENTS TO THE DECLARATION
The trustees are authorized to amend the declaration without the vote of
shareholders, but no amendment may be made that impairs the exemption from
personal liability granted in the declaration to persons who are or have been
shareholders, trustees, officers or, employees of the trust or that limit the
rights to indemnification or insurance provided in the declaration with respect
to actions or omissions of persons entitled to indemnification under the
declaration prior to the amendment.


ISSUANCE AND REDEMPTION OF SHARES
The fund may issue an unlimited number of shares for such consideration and on
such terms as the trustees may determine. Shareholders are not entitled to any
appraisal, preemptive, conversion, exchange or similar rights, except as the
trustees may determine. The fund may involuntarily redeem a shareholder's
shares upon certain conditions as may be determined by the trustees, including,
for


                                       52
<PAGE>

example, if the shareholder fails to provide the fund with identification
required by law, or if the fund is unable to verify the information received
from the shareholder. Additionally, as discussed below, shares may be redeemed
in connection with the closing of small accounts.


DISCLOSURE OF SHAREHOLDER HOLDINGS
The declaration specifically requires shareholders, upon demand, to disclose to
the fund information with respect to the direct and indirect ownership of
shares in order to comply with various laws or regulations, and the fund may
disclose such ownership if required by law or regulation.


SMALL ACCOUNTS
The declaration provides that the fund may close out a shareholder's account by
redeeming all of the shares in the account if the account falls below a minimum
account size (which may vary by class) that may be set by the trustees from
time to time. Alternately, the declaration permits the fund to assess a fee for
small accounts (which may vary by class) and redeem shares in the account to
cover such fees, or convert the shares into another share class that is geared
to smaller accounts.


SERIES AND CLASSES
The declaration provides that the trustees may establish series and classes in
addition to those currently established and to determine the rights and
preferences, limitations and restrictions, including qualifications for
ownership, conversion and exchange features, minimum purchase and account size,
expenses and charges, and other features of the series and classes. The
trustees may change any of those features, terminate any series or class,
combine series with other series in the trust, combine one or more classes of a
series with another class in that series or convert the shares of one class
into another class.

Each share of the fund, as a series of the Trust, represents an interest in the
fund only and not in the assets of any other series of the Trust.


SHAREHOLDER, TRUSTEE AND OFFICER LIABILITY
The declaration provides that shareholders are not personally liable for the
obligations of the fund and requires a fund to indemnify a shareholder against
liability arising solely from the shareholder's ownership of shares in the
fund. In addition, the fund will assume the defense of any claim against a
shareholder for personal liability at the request of the shareholder. The
declaration also provides that no Trustee, officer or employee of the Trust
owes any duty to any person (including without limitation any shareholder),
other than the Trust or any series. The declaration further provides that no
trustee, officer or employee of the fund shall be liable to the fund or any
shareholder for any action, failure to act, error or mistake except in cases of
bad faith, willful misfeasance, gross negligence or reckless disregard of duty.
The declaration requires the fund to indemnify each trustee, director, officer,
employee and authorized agent to the fullest extent permitted by law against
liability and against all expenses reasonably incurred or paid by him in
connection with any claim, action, suit or proceeding in which he becomes
involved as a party or otherwise by virtue of his being or having been such a
trustee, director, officer, employee, or agent and against amounts paid or
incurred by him in settlement thereof. The 1940 Act currently provides that no
officer or director shall be protected from liability to the fund or
shareholders for willful misfeasance, bad faith, gross negligence, or reckless
disregard of the duties of office. The declaration extends to trustees,
officers and employees of the fund the full protection from liability that the
law allows.

The declaration provides that the appointment, designation or identification of
a trustee as chairperson, a member of a committee, an expert, lead independent
trustee, or any other special appointment, designation or identification shall
not impose any heightened standard of care or liability on such trustee.


                                       53
<PAGE>

DERIVATIVE AND DIRECT ACTIONS
The declaration provides a detailed process for the bringing of derivative or
direct actions by shareholders in order to permit legitimate inquiries and
claims while avoiding the time, expense, distraction, and other harm that can
be caused to the fund or its shareholders as a result of spurious shareholder
demands and derivative actions. Prior to bringing a derivative action, a demand
by three unrelated shareholders must first be made on the fund's trustees. The
declaration details various information, certifications, undertakings and
acknowledgements that must be included in the demand. Following receipt of the
demand, the trustees have a period of 90 days, which may be extended by an
additional 60 days, to consider the demand. If a majority of the trustees who
are considered independent for the purposes of considering the demand determine
that maintaining the suit would not be in the best interests of the fund, the
trustees are required to reject the demand and the complaining shareholders may
not proceed with the derivative action unless the shareholders are able to
sustain the burden of proof to a court that the decision of the trustees not to
pursue the requested action was not a good faith exercise of their business
judgment on behalf of the fund. The declaration further provides that
shareholders owning shares representing at least 10% of the voting power of the
affected fund must join in bringing the derivative action. If a demand is
rejected, the complaining shareholders will be responsible for the costs and
expenses (including attorneys' fees) incurred by the fund in connection with
the consideration of the demand, if a court determines that the demand was made
without reasonable cause or for an improper purpose. If a derivative action is
brought in violation of the declaration, the shareholders bringing the action
may be responsible for the fund's costs, including attorneys' fees, if a court
determines that the action was brought without reasonable cause or for an
improper purpose.

The declaration provides that no shareholder may bring a direct action claiming
injury as a shareholder of the Trust, or any series or class thereof, where the
matters alleged (if true) would give rise to a claim by the Trust or by the
Trust on behalf of a series or class, unless the shareholder has suffered an
injury distinct from that suffered by the shareholders of the Trust, or the
series or class, generally. Under the declaration, a shareholder bringing a
direct claim must be a shareholder of the series or class with respect to which
the direct action is brought at the time of the injury complained of, or have
acquired the shares afterwards by operation of law from a person who was a
shareholder at that time.

The declaration further provides that the fund shall be responsible for payment
of attorneys' fees and legal expenses incurred by a complaining shareholder
only if required by law, and any attorneys' fees that the fund is obligated to
pay shall be calculated using reasonable hourly rates. The declaration also
requires that actions by shareholders against the fund be brought only in
federal court in Boston, Massachusetts, or if not permitted to be brought in
federal court, then in state court in Boston, Massachusetts, and that
shareholders have no right to jury trial for such actions.


The declaration also provides that shareholders have no rights, privileges,
claims or remedies under any contract or agreement entered into by the Trust
with any service provider or other agent or contract with the Trust, including,
without limitation, any third party beneficiary rights, except as may be
expressly provided in any service contract or agreement.



12. SALES CHARGES


The fund continuously offers the following classes of shares: Class A, Class C,
Class R, Class T and Class Y shares, as described in the prospectus. The fund
offers its shares at a reduced sales charge to investors who meet certain
criteria that permit the fund's shares to be sold with low distribution costs.
These criteria are described below or in the prospectus. The availability of
certain sales charge waivers and discounts may depend on whether you purchase
your shares directly from the fund or through a financial intermediary. Please
see the prospectus to determine any sales charge discounts and waivers that may
be available to you through your financial intermediary.



                                       54
<PAGE>

CLASS A SHARE SALES CHARGES
You may buy Class A shares at the public offering price, including a sales
charge, as follows:


<TABLE>
<CAPTION>
                                           SALES CHARGE AS A % OF
                                   --------------------------------------
                                     OFFERING    NET AMOUNT        DEALER
AMOUNT OF PURCHASE                      PRICE      INVESTED   REALLOWANCE
---------------------------------  ----------  ------------  ------------
<S>                                <C>         <C>           <C>
Less than $50,000                      5.75          6.10           5.00
---------------------------------      ----          ----           ----
$50,000 but 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 or more                       0.00          0.00      see below
---------------------------------      ----          ----    ------------
</TABLE>

The schedule of sales charges above is applicable to purchases of Class A
shares of the fund by (i) an individual, (ii) an individual and his or her
spouse and children under the age of 21 and (iii) a trustee or other fiduciary
of a trust estate or fiduciary account or related trusts or accounts including
pension, profit-sharing and other employee benefit trusts qualified under
Sections 401 or 408 of the Code although more than one beneficiary is involved;
however, pension, profit-sharing and other employee benefit trusts qualified
under Sections 401 or 408 of the Code which are eligible to purchase Class R
shares may aggregate purchases by beneficiaries of such plans only if the
pension, profit-sharing or other employee benefit trust has determined that it
does not require the services provided under the Class R Service Plan. The
sales charges applicable to a current purchase of Class A shares of the fund by
a person listed above is determined by adding the value of shares to be
purchased to the aggregate value (at the then current offering price) of shares
of any of the other Pioneer mutual funds previously purchased and then owned,
provided PFD is notified by such person or his or her broker-dealer each time a
purchase is made which would qualify. Pioneer mutual funds include all mutual
funds for which PFD serves as principal underwriter. At the sole discretion of
PFD, holdings of funds domiciled outside the U.S., but which are managed by
affiliates of Pioneer, may be included for this purpose.

No sales charge is payable at the time of purchase on investments of $500,000
or more, or for purchases by participants in employer-sponsored retirement
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. PFD may, in its
discretion, pay a commission to broker-dealers who initiate and are responsible
for such purchases as follows:


<TABLE>
<S>      <C>
1.00%    Up to $4 million
----     ---------------------------------
         Greater than $4 million and less
0.50%    than or equal to $50 million
----     ---------------------------------
0.25%    Over $50 million
----     ---------------------------------
</TABLE>

Commissions are based on cumulative investments in Class A shares of the
Pioneer funds. These commissions shall not be payable if the purchaser is
affiliated with the broker-dealer or if the purchase represents the
reinvestment of a redemption made during the previous 12 calendar months.
Broker-dealers who receive a commission in connection with Class A share
purchases at net asset value by employer-sponsored retirement plans with at
least $500,000 in total plan assets (or that has 1,000 or more eligible
participants for employer-sponsored retirement plans with accounts established
with Pioneer on or before March 31, 2004) will be required to return any
commissions paid or a pro rata portion thereof if the retirement plan redeems
its shares within 12 months of purchase.

If an investor eligible to purchase Class R shares is otherwise qualified to
purchase Class A shares at net asset value or at a reduced sales charge, Class
A shares may be selected where the investor does not require the distribution
and account services needs typically required by Class R share investors and/or
the broker-dealer has elected to forgo the level of compensation that Class R
shares provides.


                                       55
<PAGE>

LETTER OF INTENT ("LOI")
Reduced sales charges are available for purchases of $50,000 or more of Class A
shares (excluding any reinvestments of dividends and capital gain
distributions) made within a 13-month period pursuant to an LOI which may be
established by completing the Letter of Intent section of the Account
Application. The reduced sales charge will be the charge that would be
applicable to the purchase of the specified amount of Class A shares as if the
shares had all been purchased at the same time. A purchase not made pursuant to
an LOI may be included if the LOI is submitted to the fund's transfer agent
within 90 days of such purchase. You may also obtain the reduced sales charge
by including the value (at current offering price) of all your Class A shares
in the fund and all other Pioneer mutual funds held of record as of the date of
your LOI in the amount used to determine the applicable sales charge for the
Class A shares to be purchased under the LOI. Five percent of your total
intended purchase amount will be held in escrow by the fund's transfer agent,
registered in your name, until the terms of the LOI are fulfilled. When you
sign the Account Application, you agree to irrevocably appoint the fund's
transfer agent your attorney-in-fact to surrender for redemption any or all
shares held in escrow with full power of substitution. An LOI is not a binding
obligation upon the investor to purchase, or the fund to sell, the amount
specified in the LOI. Any share class for which no sales charge is paid cannot
be included under the LOI.

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


If the total purchases are less than the amount specified under the LOI, PFD
will recalculate your sales charge and the fund's transfer agent will redeem
the appropriate number of shares held in escrow to realize the difference and
release any excess.


If sufficient shares are not purchased to complete the LOI because all
registered account owners died within the 13-month period, PFD will consider
the LOI complete and will not adjust past transactions for purposes of the
sales charges paid. Commissions to dealers will not be adjusted or paid on the
difference between the LOI amount and the amount actually invested before the
shareholders' deaths.


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

In processing redemptions of Class C shares, the fund will first redeem shares
not subject to any CDSC and then shares held for the longest period of time
during the one-year period. As a result, you will pay the lowest possible CDSC.

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


                                       56
<PAGE>

CLASS R SHARES
You may buy Class R shares at the net asset value per share next computed after
receipt of a purchase order without the imposition of an initial sales charge
or CDSC.

Class R shares are available to certain tax-deferred retirement plans
(including 401(k) plans, employer-sponsored 403(b) plans, 457 plans, profit
sharing and money purchase pension plans, defined benefit plans and
non-qualified deferred compensation plans) held in plan level or omnibus
accounts. Class R shares also are available to individual retirement account
rollovers from eligible retirement plans that offered one or more Pioneer funds
as investment options. Class R shares generally are not available to
non-retirement accounts, traditional and Roth IRA's, Coverdell Education
Savings Accounts, SEP's, SAR-SEP's, Simple IRA's, individual 403(b)'s or
retirement plans that are not subject to the Employee Retirement Income
Security Act of 1974.

Investors that are eligible to purchase Class R shares may also be eligible to
purchase other share classes. Your investment professional can help you
determine which class is appropriate. You should ask your investment
professional if you qualify for a waiver of sales charges on another class and
take that into consideration when selecting a class of shares. Your investment
firm may receive different compensation depending upon which class is chosen.



CLASS T SHARE SALES CHARGES
You may buy Class T shares at the public offering price, including a sales
charge, as follows:




<TABLE>
<CAPTION>
                                             SALES CHARGE AS A % OF
                                     --------------------------------------
                                       OFFERING    NET AMOUNT        DEALER
AMOUNT OF PURCHASE                        PRICE      INVESTED   REALLOWANCE
-----------------------------------  ----------  ------------  ------------
<S>                                  <C>         <C>           <C>
Less than $250,000                       2.50          2.56           2.50
-----------------------------------      ----          ----           ----
$250,000 but less than $500,000          2.00          2.04           2.00
-----------------------------------      ----          ----           ----
$500,000 but less than $1,000,000        1.50          1.52           1.50
-----------------------------------      ----          ----           ----
$1,000,000 or more                       1.00          1.01           1.00
-----------------------------------      ----          ----           ----
</TABLE>


CLASS Y SHARES
No front-end, deferred or asset-based sales charges are applicable to Class Y
shares.


ADDITIONAL PAYMENTS TO FINANCIAL INTERMEDIARIES
The financial intermediaries through which shares are purchased may receive all
or a portion of the sales charges and Rule 12b-1 fees discussed above. In
addition to those payments, Pioneer or one or more of its affiliates
(collectively, "Pioneer Affiliates") may make additional payments to financial
intermediaries in connection with the promotion and sale of shares of Pioneer
funds. Pioneer Affiliates make these payments from their own resources, which
include resources that derive from compensation for providing services to the
Pioneer funds. These additional payments are described below. The categories
described below are not mutually exclusive. The same financial intermediary may
receive payments under more than one or all categories. Many financial
intermediaries that sell shares of Pioneer funds receive one or more types of
these payments. The financial intermediary typically initiates requests for
additional compensation. Pioneer negotiates these arrangements individually
with financial intermediaries and the amount of payments and the specific
arrangements may differ significantly. A financial intermediary also may
receive different levels of compensation with respect to sales or assets
attributable to different types of clients of the same intermediary or
different Pioneer funds. Where services are provided, the costs of providing
the services and the overall array of services provided may vary from one
financial intermediary to another. Pioneer Affiliates do not make an
independent assessment of the cost of providing such services. While the
financial intermediaries may request additional compensation from Pioneer to
offset costs incurred by the financial intermediary in servicing its clients,
the financial intermediary may earn a profit on these payments, since the
amount of the payment may exceed the financial intermediary's costs.


                                       57
<PAGE>

In this context, "financial intermediary" includes any broker, dealer, bank
(including bank trust departments), insurance company, transfer agent,
registered investment adviser, financial planner, retirement plan administrator
and any other financial intermediary having a selling, administrative and
shareholder servicing or similar agreement with a Pioneer Affiliate.

A financial intermediary's receipt of additional compensation may create
conflicts of interest between the financial intermediary and its clients. Each
type of payment discussed below may provide your financial intermediary with an
economic incentive to actively promote the Pioneer funds over other mutual
funds or cooperate with the distributor's promotional efforts. The receipt of
additional compensation for Pioneer Affiliates may be an important
consideration in a financial intermediary's willingness to support the sale of
the Pioneer funds through the financial intermediary's distribution system.
Pioneer Affiliates are motivated to make the payments described above since
they promote the sale of Pioneer fund shares and the retention of those
investments by clients of financial intermediaries. In certain cases these
payments could be significant to the financial intermediary. The financial
intermediary may charge additional fees or commissions other than those
disclosed in the prospectus. Financial intermediaries may categorize and
disclose these arrangements differently than Pioneer Affiliates do. To the
extent financial intermediaries sell more shares of the funds or retain shares
of the funds in their clients' accounts, Pioneer Affiliates benefit from the
incremental management and other fees paid to Pioneer Affiliates by the funds
with respect to those assets.


REVENUE SHARING PAYMENTS
Pioneer Affiliates make revenue sharing payments as incentives to certain
financial intermediaries to promote and sell shares of Pioneer funds. The
benefits Pioneer Affiliates receive when they make these payments include,
among other things, entry into or increased visibility in the financial
intermediary's sales system, participation by the intermediary in the
distributor's marketing efforts (such as helping facilitate or providing
financial assistance for conferences, seminars or other programs at which
Pioneer personnel may make presentations on the funds to the intermediary's
sales force), placement on the financial intermediary's preferred fund list,
and access (in some cases, on a preferential basis over other competitors) to
individual members of the financial intermediary's sales force or management.
Revenue sharing payments are sometimes referred to as "shelf space" payments
because the payments compensate the financial intermediary for including
Pioneer funds in its fund sales system (on its "shelf space"). Pioneer
Affiliates also may pay financial intermediaries "finders'" or "referral" fees
for directing investors to the Pioneer funds. Pioneer Affiliates compensate
financial intermediaries differently depending typically on the level and/or
type of considerations provided by the financial intermediary.

The revenue sharing payments Pioneer Affiliates make may be calculated on sales
of shares of Pioneer funds ("Sales-Based Payments"); although there is no
policy limiting the amount of Sales-Based Payments any one financial
intermediary may receive, the total amount of such payments normally does not
exceed 0.25% per annum of those assets. Such payments also may be calculated on
the average daily net assets of the applicable Pioneer funds attributable to
that particular financial intermediary ("Asset-Based Payments"); although there
is no policy limiting the amount of Asset-Based Payments any one financial
intermediary may receive, the total amount of such payments normally does not
exceed 0.16% per annum of those assets. Sales-Based Payments primarily create
incentives to make new sales of shares of Pioneer funds and Asset-Based
Payments primarily create incentives to retain previously sold shares of
Pioneer funds in investor accounts. Pioneer Affiliates may pay a financial
intermediary either or both Sales-Based Payments and Asset-Based Payments.


ADMINISTRATIVE AND PROCESSING SUPPORT PAYMENTS
Pioneer Affiliates also may make payments to certain financial intermediaries
that sell Pioneer fund shares for certain administrative services, including
record keeping and sub-accounting shareholder accounts, to the extent that the
funds do not pay for these costs directly. Pioneer Affiliates also may make
payments to certain financial intermediaries that sell Pioneer fund shares in
connection with client


                                       58
<PAGE>

account maintenance support, statement preparation and transaction processing.
The types of payments that Pioneer Affiliates may make under this category
include, among others, payment of ticket charges per purchase or exchange order
placed by a financial intermediary, payment of networking fees in connection
with certain mutual fund trading systems, or one-time payments for ancillary
services such as setting up funds on a financial intermediary's mutual fund
trading system.


OTHER PAYMENTS
From time to time, Pioneer Affiliates, at their expense, may provide additional
compensation to financial intermediaries which sell or arrange for the sale of
shares of the Pioneer funds. Such compensation provided by Pioneer Affiliates
may include financial assistance to financial intermediaries that enable
Pioneer Affiliates to participate in and/or present at conferences or seminars,
sales or training programs for invited registered representatives and other
employees, client entertainment, client and investor events, and other
financial intermediary-sponsored events, and travel expenses, including lodging
incurred by registered representatives and other employees in connection with
client prospecting, retention and due diligence trips. Other compensation may
be offered to the extent not prohibited by federal or state laws or any
self-regulatory agency, such as FINRA. Pioneer Affiliates make payments for
entertainment events they deem appropriate, subject to Pioneer Affiliates'
guidelines and applicable law. These payments may vary depending upon the
nature of the event or the relationship.


As of January 1, 2017, Pioneer anticipates that the following broker-dealers or
their affiliates will receive additional payments as described in the fund's
prospectus and statement of additional information:


AIG VALIC
ADP Retirement Services
Ameriprise Financial Services, Inc.
Ascensus Broker Dealer Services, Inc.
Cetera Advisors Networks LLC
Charles Schwab & Co., Inc.
Citigroup Global Markets Inc.
Commonwealth Financial Network
Fidelity Brokerage Services LLC
First Clearing, LLC
First Command Financial Planning, Inc.
FSC Securities Corporation
Guardian Investor Services LLC
GWFS Equities, Inc.
H.D. Investment Services
Hartford Securities Distribution Company, Inc.

J.P. Morgan Securities LLC

Jefferson National Securities Corporation
Legend Equities Corporation
Lincoln Financial
LPL Financial Corp.
Merrill Lynch & Co., Inc.
MetLife Securities Inc.
Mid Atlantic Capital Corporation
MML Investors Services
Morgan Stanley & Co., Inc.
MSCS Financial Services, LLC
Mutual of Omaha Investor Services, Inc.
N.I.S. Financial Services, Inc.
National Financial Services LLC

                                       59
<PAGE>

Nationwide Securities, Inc.
Northwestern Investment Services, LLC
NYLife Securities, LLC
OneAmerica Securities, Inc.
Pershing LLC
PFS Investments Inc.
PNC Investments
Prudential Financial
Raymond James Financial Services, Inc.
RBC Dain Rauscher Inc.
Robert W. Baird & Co., Inc.
Royal Alliance Associates, Inc.
SagePoint Financial
Sammons Financial Network, LLC
Securities America, Inc.
Symetra Investment Services, Inc.
TD Ameritrade, Inc.
TIAA-CREF Individual & Institutional Services, LLC
T. Rowe Price Investment Services, Inc.
Transamerica Financial Advisors, Inc.
UBS Financial Services Inc.
U.S. Bancorp Investments, Inc.
Vanguard Marketing Corporation
Voya Financial Partners, LLC
Wells Fargo Investments, LLC
Woodbury Financial Services

Please contact your financial intermediary for details about any payments it
receives from Pioneer Affiliates or the funds, as well as about fees and/or
commissions it charges.


13. REDEEMING SHARES

Redemptions may be suspended or payment postponed during any period in which
any of the following conditions exist: the New York Stock Exchange (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 otherwise as
permitted by the rules of or by the order of the SEC.


Redemptions and repurchases are taxable transactions for shareholders that are
subject to U.S. federal income tax. 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.


SYSTEMATIC WITHDRAWAL PLAN(S) ("SWP") (CLASS A, CLASS C, CLASS R AND CLASS T
SHARES)

A SWP is designed to provide a convenient method of receiving fixed payments at
regular intervals from fund share accounts having a total value of not less
than $10,000. You must also be reinvesting all dividends and capital gain
distributions to use the SWP option.

Periodic payments will be deposited monthly, quarterly, semiannually or
annually directly into a bank account designated by the applicant or will be
sent by check to the applicant, or any person designated by the applicant.
Payments can be made either by check or electronic funds transfer to a bank
account


                                       60
<PAGE>

designated by you. Withdrawals from Class C and Class R share accounts are
limited to 10% of the value of the account at the time the SWP is established.
See "Qualifying for a reduced sales charge" in the prospectus. If you direct
that withdrawal payments be paid to another person, want to change the bank
where payments are sent or designate an address that is different from the
account's address of record after you have opened your account, a medallion
signature guarantee must accompany your instructions. Withdrawals under the SWP
are redemptions that may have tax consequences for you.

While you are making systematic withdrawals from your account, you may pay
unnecessary initial sales charges on additional purchases of Class A shares or
contingent deferred sales charges. SWP redemptions reduce and may ultimately
exhaust the number of shares in your account. In addition, the amounts received
by a shareholder cannot be considered as yield or income on his or her
investment because part of such payments may be a return of his or her
investment.

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

You may obtain additional information by calling the fund at 1-800-225-6292.


REINSTATEMENT PRIVILEGE (CLASS A SHARES)
Subject to the provisions outlined in the prospectus, you may reinvest all or
part of your sale proceeds from Class A shares without a sales charge into
Class A shares of a Pioneer mutual fund. However, the distributor will not pay
your investment firm a commission on any reinvested amount.


14. TELEPHONE AND ONLINE TRANSACTIONS

You may purchase, exchange or sell shares by telephone or online. See the
prospectus for more information. For personal assistance, call 1-800-225-6292
between 8:00 a.m. and 7:00 p.m. Eastern time on weekdays. Computer-assisted
telephone transactions may be available to shareholders who have prerecorded
certain bank information (see "FactFone/SM/"). YOU ARE STRONGLY URGED TO
CONSULT WITH YOUR INVESTMENT PROFESSIONAL PRIOR TO REQUESTING ANY TELEPHONE OR
ONLINE TRANSACTION.


TELEPHONE TRANSACTION PRIVILEGES
To confirm that each transaction instruction received by telephone is genuine,
the fund will record each telephone transaction, require the caller to provide
validating information 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, the fund's transfer agent nor 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.


ONLINE TRANSACTION PRIVILEGES
If your account is registered in your name, you may be able buy, exchange or
sell fund shares online. Your investment firm may also be able to buy, exchange
or sell your fund shares online.

To establish online transaction privileges:

o For new accounts, complete the online section of the account application

o For existing accounts, complete an account options form, write to the fund or
  complete the online authorization screen on us.pioneerinvestments.com


                                       61
<PAGE>

To use online transactions, you must read and agree to the terms of an online
transaction agreement available on the Pioneer website. When you or your
investment firm requests an online transaction the transfer agent
electronically records the transaction, requires an authorizing password and
sends a written confirmation. The fund may implement other procedures from time
to time. Different procedures may apply if you have a non-U.S. account or if
your account is registered in the name of an institution, broker-dealer or
other third party. You may not be able to use the online transaction privilege
for certain types of accounts, including most retirement accounts.


TELEPHONE AND WEBSITE ONLINE ACCESS
You may have difficulty contacting the fund by telephone or accessing
us.pioneerinvestments.com during times of market volatility or disruption in
telephone or Internet services. On Exchange holidays or on days when the
Exchange closes early, Pioneer will adjust the hours for the telephone center
and for online transaction processing accordingly. If you are unable to access
us.pioneerinvestments.com or to reach the fund by telephone, you should
communicate with the fund in writing.


FACTFONE/SM/
FactFone/SM/ is an automated inquiry and telephone transaction system available
to Pioneer mutual fund shareholders by dialing 1-800-225-4321. FactFone/SM/
allows shareholder access to current information on Pioneer mutual fund
accounts and to the prices of all publicly available Pioneer mutual funds. In
addition, you may use FactFone/SM/ to make computer-assisted telephone
purchases, exchanges or redemptions from your Pioneer mutual fund accounts,
access your account balances and last three transactions and order a duplicate
statement if you have activated your PIN. Telephone purchases or redemptions
require the establishment of a bank account of record. YOU ARE STRONGLY URGED
TO CONSULT WITH YOUR INVESTMENT PROFESSIONAL PRIOR TO REQUESTING ANY TELEPHONE
TRANSACTION. Shareholders whose accounts are registered in the name of a
broker-dealer or other third party may not be able to use FactFone/SM/. Call
the fund at 1-800-225-6292 for assistance.

FactFone/SM/ allows shareholders to hear the following recorded fund
information:

o net asset value prices for all Pioneer mutual funds;

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

The value of each class of shares (except for Pioneer U.S. Government Money
Market Fund, which seeks to maintain a stable $1.00 share price) will also
vary, and such shares may be worth more or less at redemption than their
original cost.


15. PRICING OF SHARES

The net asset value per share of each class of the fund is determined as of the
scheduled close of regular trading on the Exchange (normally 4:00 p.m. Eastern
time) on each day on which the Exchange is open for trading. If the exchange
closes at another time, the fund will calculate a net asset value for each
class of shares as of the scheduled closing time. As of the date of this
statement of additional information, the Exchange is open for trading every
weekday except for the days the following holidays are observed: New Year's
Day, Martin Luther King, Jr. Day, Presidents' Day, Good Friday, Memorial Day,
Independence Day, Labor Day, Thanksgiving Day and Christmas Day. The net asset
value per share of each class of the fund is also determined on any other day
on which the level of trading in its portfolio securities is sufficiently high
that the current net asset value per share might be materially affected by
changes in the value of its portfolio securities. The fund is not required to
determine its net asset value per share on any day on which no purchase orders
in good order for fund shares are received and no shares are tendered and
accepted for redemption.


                                       62
<PAGE>

The fund generally values its portfolio securities using closing market prices
or readily available market quotations, or, when closing market prices or
market quotations are not available or are considered by Pioneer to be
unreliable, the fund uses fair value methods to value its securities in
accordance with procedures approved by the fund's Trustees. 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 non-U.S. securities is substantially
completed each day at various times prior to the close of regular trading on
the Exchange. The values of such securities used in computing the net asset
value of the fund's shares are determined as of such times. Foreign currency
exchange rates are also generally determined prior to the close of regular
trading on the Exchange. The fund also may use fair value pricing methods to
value its securities, including a non-U.S. security, when Pioneer determines
that the closing market price on the primary exchange where the security is
traded no longer accurately reflects the value of the security due to factors
affecting one or more relevant securities markets or the specific issuer.
Valuing securities using fair value methods may cause the net asset value of
the fund's shares to differ from the net asset value that would be calculated
using closing market prices. International securities markets may be open on
days when the U.S. markets are closed. For this reason, the value of any
international securities owned by the fund could change on a day you cannot buy
or sell shares of the fund. In connection with making fair value determinations
of the value of fixed income securities, the fund's Trustees may use a pricing
matrix. The prices used for these securities may differ from the amounts
received by the fund upon sale of the securities, and these differences may be
substantial.


The net asset value per share of each class of the fund is computed by taking
the value of all of the fund's assets attributable to a class, less the fund's
liabilities attributable to that class, and dividing the result by the number
of outstanding shares of that class. For purposes of determining net asset
value, expenses of the classes of the fund are accrued daily and taken into
account. The fund's maximum offering price per Class A and Class T share is
determined by adding the maximum sales charge to the net asset value per Class
A and Class T share. Class C, Class R and Class Y shares are offered at net
asset value without the imposition of an initial sales charge (Class C shares
may be subject to a CDSC).



16. TAX STATUS

The fund has elected to be treated, and has qualified and intends to continue
to qualify each year, as a "regulated investment company" under Subchapter M of
the Code, so that it will not pay U.S. federal income tax on income and capital
gains distributed to shareholders. In order to qualify as a regulated
investment company under Subchapter M of the Code, the fund must, among other
things, (i) derive at least 90% of its gross income for each taxable year from
dividends, interest, payments with respect to certain securities loans, gains
from the sale or other disposition of stock, securities or foreign currencies,
or other income (including gains from options, futures and forward contracts)
derived with respect to its business of investing in such stock, securities or
currencies, and net income derived from an interest in a qualified publicly
traded partnership (as defined in Section 851(h) of the Code) (the "90% income
test") and (ii) diversify its holdings so that, at the end of each quarter of
each taxable year: (a) at least 50% of the value of the fund's total assets is
represented by (1) cash and cash items, U.S. government securities, securities
of other regulated investment companies, and (2) other securities, with such
other securities limited, in respect of any one issuer, to an amount not
greater than 5% of the value of the fund's total assets and to not more than
10% of the outstanding voting securities of such issuer and (b) not more than
25% of the value of the fund's total assets is invested in (1) the securities
(other than U.S. government securities and securities of other regulated
investment companies) of any one issuer, (2) the securities (other than
securities of other regulated investment companies) of two or more issuers that
the fund controls and that are engaged in the same, similar, or related trades
or businesses, or (3) the securities of one or more qualified publicly traded
partnerships.


                                       63
<PAGE>

For purposes of the 90% income test, the character of income earned by certain
entities in which the fund invests that are not treated as corporations for
U.S. federal income tax purposes (e.g., partnerships other than certain
publicly traded partnerships or trusts that have not elected to be classified
as corporations under the "check-the-box" regulations) will generally pass
through to the fund. Consequently, in order to qualify as a regulated
investment company, the fund may be required to limit its equity investments in
such entities that earn fee income, rental income or other nonqualifying
income.

If the fund qualifies as a regulated investment company and properly
distributes to its shareholders each taxable year an amount equal to or
exceeding the sum of (i) 90% of its "investment company taxable income" as that
term is defined in the Code (which includes, among other things, dividends,
taxable interest, and the excess of any net short-term capital gains over net
long-term capital losses, as reduced by certain deductible expenses) without
regard to the deduction for dividends paid and (ii) 90% of the excess of its
gross tax-exempt interest income, if any, over certain disallowed deductions,
the fund generally will not be subject to U.S. federal income tax on any income
of the fund, including "net capital gain" (the excess of net long-term capital
gain over net short-term capital loss), distributed to shareholders. However,
if the fund meets such distribution requirements, but chooses to retain some
portion of its taxable income or gains, it generally will be subject to U.S.
federal income tax at regular corporate rates on the amount retained. The fund
may designate certain amounts retained as undistributed net capital gain in a
notice to its shareholders, who (i) will be required to include in income for
U.S. federal income tax purposes, as long-term capital gain, their
proportionate shares of the undistributed amount so designated, (ii) will be
entitled to credit their proportionate shares of the income tax paid by the
fund on that undistributed amount against their federal income tax liabilities
and to claim refunds to the extent such credits exceed their liabilities and
(iii) will be entitled to increase their tax basis, for federal income tax
purposes, in their shares by an amount equal to the excess of the amount of
undistributed net capital gain included in their respective income over their
respective income tax credits. The fund intends to distribute at least annually
all or substantially all of its investment company taxable income (computed
without regard to the dividends-paid deduction), net tax-exempt interest
income, and net capital gain.

If, for any taxable year, the fund does not qualify as a regulated investment
company or does not satisfy the 90% distribution requirement, it will be
treated as a U.S. corporation subject to U.S. federal income tax, thereby
subjecting any income earned by the fund to tax at the corporate level and to a
further tax at the shareholder level when such income is distributed. Under
certain circumstances, the fund may be able to cure a failure to qualify as a
regulated investment company, but in order to do so, the fund may incur
significant fund-level taxes and may be forced to dispose of certain assets.

Under the Code, the fund will be subject to a nondeductible 4% U.S. federal
excise tax on a portion of its undistributed ordinary income and capital gain
net income if it fails to meet certain distribution requirements with respect
to each calendar year and year ending October 31, respectively. The fund
intends to make distributions in a timely manner and accordingly does not
expect to be subject to the excise tax.

The fund generally distributes any net short- and long-term capital gains in
November. The fund generally pays dividends from any net investment income
quarterly during March, June, September and December. Dividends from income
and/or capital gains may also be paid at such other times as may be necessary
for the fund to avoid U.S. federal income or excise tax.

Unless a shareholder specifies otherwise, all distributions from the fund to
that shareholder will be automatically reinvested in additional full and
fractional shares of the fund. For U.S. federal income tax purposes, all
dividends generally are taxable whether a shareholder takes them in cash or
reinvests them in additional shares of the fund. In general, assuming that the
fund has sufficient earnings and profits,


                                       64
<PAGE>

dividends from net investment income and net short-term capital gains are
taxable either as ordinary income or, if certain conditions are met, as
"qualified dividend income," taxable to individual and certain other
noncorporate shareholders at U.S. federal income tax rates of up to 20%.

In general, dividends may be reported by the fund as qualified dividend income
if they are attributable to qualified dividend income received by the fund.
Qualified dividend income generally means dividend income received from the
fund's investments in common and preferred stock of U.S. companies and stock of
certain qualified foreign corporations, provided that certain holding period
and other requirements are met by both the fund and the shareholders. If 95% or
more of the fund's gross income (calculated without taking into account net
capital gain derived from sales or other dispositions of stock or securities)
consists of qualified dividend income, the fund may report all distributions of
such income as qualified dividend income.

A foreign corporation is treated as a qualified foreign corporation for this
purpose if it is incorporated in a possession of the United States or it is
eligible for the benefits of certain income tax treaties with the United States
and meets certain additional requirements. Certain foreign corporations that
are not otherwise qualified foreign corporations will be treated as qualified
foreign corporations with respect to dividends paid by them if the stock with
respect to which the dividends are paid is readily tradable on an established
securities market in the United States. Passive foreign investment companies
are not qualified foreign corporations for this purpose. Dividends received by
the fund from REITs generally are not expected to qualify for treatment as
qualified dividend income.

A dividend that is attributable to qualified dividend income of the fund that
is paid by the fund to a shareholder will not be taxable as qualified dividend
income to such shareholder (1) if the dividend is received with respect to any
share of the fund held for fewer than 61 days during the 121-day period
beginning on the date which is 60 days before the date on which such share
became ex-dividend with respect to such dividend, (2) to the extent that the
shareholder is under an obligation (whether pursuant to a short sale or
otherwise) to make related payments with respect to positions in substantially
similar or related property, or (3) if the shareholder elects to have the
dividend treated as investment income for purposes of the limitation on
deductibility of investment interest. The "ex-dividend" date is the date on
which the owner of the share at the commencement of such date is entitled to
receive the next issued dividend payment for such share even if the share is
sold by the owner on that date or thereafter.

Distributions by the fund in excess of the fund's current and accumulated
earnings and profits will be treated as a return of capital to the extent of
(and in reduction of) the shareholder's tax basis in its shares and any such
amount in excess of that basis will be treated as gain from the sale of shares,
as discussed below.

Certain dividends received by the fund from U.S. corporations (generally,
dividends received by the fund in respect of any share of stock (1) with a tax
holding period of at least 46 days during the 91-day period beginning on the
date that is 45 days before the date on which the stock becomes ex-dividend as
to that dividend and (2) that is held in an unleveraged position) and
distributed and appropriately so reported by the fund may be eligible for the
70% dividends-received deduction generally available to corporations under the
Code. Certain preferred stock must have a holding period of at least 91 days
during the 181-day period beginning on the date that is 90 days before the date
on which the stock becomes ex-dividend as to that dividend in order to be
eligible. Capital gain dividends distributed to the fund from other regulated
investment companies are not eligible for the dividends-received deduction. In
order to qualify for the deduction, corporate shareholders must meet the
minimum holding period requirement stated above with respect to their fund
shares, taking into account any holding period reductions from certain hedging
or other transactions or positions that diminish their risk of loss with
respect to their fund shares, and, if they borrow to acquire or otherwise incur
debt attributable to fund shares, they may be denied a portion of the
dividends-received deduction with respect to those shares. The entire dividend,
including the otherwise deductible amount, will be included in determining the
excess, if any, of a corporation's


                                       65
<PAGE>

adjusted current earnings over its alternative minimum taxable income, which
may increase a corporation's alternative minimum tax liability. Any corporate
shareholder should consult its tax adviser regarding the possibility that its
tax basis in its shares may be reduced, for U.S. federal income tax purposes,
by reason of "extraordinary dividends" received with respect to the shares and,
to the extent such basis would be reduced below zero, current recognition of
income may be required.


Distributions from net capital gains, if any, that are reported as capital gain
dividends by the fund are taxable as long-term capital gains for U.S. federal
income tax purposes without regard to the length of time the shareholder has
held shares of the fund. Capital gain dividends distributed by the fund to
individual and certain other noncorporate shareholders will be taxed as
long-term capital gains, which are generally taxable to noncorporate taxpayers
at U.S. federal income tax rates of up to 20%. Certain capital gain dividends
attributable to dividends the fund receives from REITs may be taxed to
noncorporate taxpayers at a rate of 25%. A shareholder should also be aware
that the benefits of the favorable tax rates applicable to long-term capital
gains and qualified dividend income may be affected by the application of the
alternative minimum tax to individual shareholders.


The U.S. federal income tax status of all distributions will be reported to
shareholders annually.

A 3.8% Medicare contribution tax generally applies to all or a portion of the
net investment income of a shareholder who is an individual and not a
nonresident alien for federal income tax purposes and who has adjusted gross
income (subject to certain adjustments) that exceeds a threshold amount
($250,000 if married filing jointly or if considered a "surviving spouse" for
federal income tax purposes, $125,000 if married filing separately, and
$200,000 in other cases). This 3.8% tax also applies to all or a portion of the
undistributed net investment income of certain shareholders that are estates
and trusts. For these purposes, dividends, interest and certain capital gains
(among other categories of income) are generally taken into account in
computing a shareholder's net investment income.

Although dividends generally will be treated as distributed when paid, any
dividend declared by the fund in October, November or December and payable to
shareholders of record in such a month that is paid during the following
January will be treated for U.S. federal income tax purposes as received by
shareholders on December 31 of the calendar year in which it was declared. In
addition, certain distributions made after the close of a taxable year of the
fund may be "spilled back" and treated for certain purposes as paid by the fund
during such taxable year. In such case, shareholders generally will be treated
as having received such dividends in the taxable year in which the
distributions were actually made. For purposes of calculating the amount of a
regulated investment company's undistributed income and gain subject to the 4%
excise tax described above, such "spilled back" dividends are treated as paid
by the regulated investment company when they are actually paid.


For U.S. federal income tax purposes, the fund is permitted to carry forward
indefinitely a net capital loss from any taxable year to offset its capital
gains, if any, in years following the year of the loss. To the extent
subsequent capital gains are offset by such losses, they will not result in
U.S. federal income tax liability to the fund and may not be distributed as
capital gains to shareholders. See "Annual Fee, Expense and Other Information"
for the fund's available capital loss carryforwards. Generally, the fund may
not carry forward any losses other than net capital losses. Under certain
circumstances, the fund may elect to treat certain losses as though they were
incurred on the first day of the taxable year immediately following the taxable
year in which they were actually incurred.


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


                                       66
<PAGE>

Redemptions and exchanges generally are taxable events for shareholders that
are subject to tax. Shareholders should consult their own tax advisers with
reference to their individual circumstances to determine whether any particular
transaction in fund shares is properly treated as a sale for tax purposes, as
the following discussion assumes, and to ascertain the tax treatment of any
gains or losses recognized in such transactions. In general, if fund shares are
sold, the shareholder will recognize gain or loss equal to the difference
between the amount realized on the sale and the shareholder's adjusted basis in
the shares. Such gain or loss generally will be treated as long-term capital
gain or loss if the shares were held for more than one year and otherwise
generally will be treated as short-term capital gain or loss. Any loss
recognized by a shareholder upon the redemption, exchange or other disposition
of shares with a tax holding period of six months or less will be treated as a
long-term capital loss to the extent of any amounts treated as distributions to
the shareholder of long-term capital gain with respect to such shares
(including any amounts credited to the shareholder as undistributed capital
gains).

The fund will report to the Internal Revenue Service (the "IRS") the amount of
sale proceeds that a shareholder receives from a sale or exchange of fund
shares. For sales or exchanges of shares acquired on or after January 1, 2012,
the fund will also report the shareholder's basis in those shares and whether
any gain or loss that the shareholder realizes on the sale or exchange is
short-term or long-term gain or loss. For purposes of calculating and reporting
basis, shares acquired prior to January 1, 2012 and shares acquired on or after
January 1, 2012 will generally be treated as held in separate accounts. If a
shareholder has a different basis for different shares of the fund, acquired on
or after January 1, 2012, in the same account (e.g., if a shareholder purchased
fund shares in the same account at different times for different prices), the
fund will calculate the basis of the shares sold using its default method
unless the shareholder has properly elected to use a different method. The
fund's default method for calculating basis will be the average basis method,
under which the basis per share is reported as the average of the bases of all
of the shareholder's fund shares in the account. A shareholder may elect, on an
account-by-account basis, to use a method other than average basis by following
procedures established by the fund. If such an election is made on or prior to
the date of the first exchange or redemption of shares in the account and on or
prior to the date that is one year after the shareholder receives notice of the
fund's default method, the new election will generally apply as if the average
basis method had never been in effect for such account. If such an election is
not made on or prior to such dates, the shares in the account at the time of
the election will retain their averaged bases. Shareholders should consult
their tax advisers concerning the tax consequences of applying the average
basis method or electing another method of basis calculation.

Losses on redemptions or other dispositions of shares may be disallowed under
"wash sale" rules in the event of other investments in the fund (including
those made pursuant to reinvestment of dividends and/or capital gain
distributions) within a period of 61 days beginning 30 days before and ending
30 days after a redemption or other disposition of shares. In such a case, the
disallowed portion of any loss generally would be included in the U.S. federal
tax basis of the shares acquired in the other investments. Gain may be
increased (or loss reduced) upon a redemption of Class A shares of the fund
within 90 days after their purchase followed by any purchase (including
purchases by exchange or by reinvestment), without payment of an additional
sales charge, of Class A shares of the fund or of another Pioneer fund (or any
other shares of a Pioneer fund generally sold subject to a sales charge) before
February 1 of the calendar year following the calendar year in which the
original Class A shares were redeemed.

Under Treasury regulations, if a shareholder recognizes a loss with respect to
fund shares of $2 million or more for an individual shareholder, or $10 million
or more for a corporate shareholder, in any single taxable year (or certain
greater amounts over a combination of years), the shareholder must file with
the IRS a disclosure statement on IRS Form 8886. Shareholders who own portfolio
securities directly are in many cases excepted from this reporting requirement
but, under current guidance, shareholders of regulated investment companies are
not excepted. A shareholder who fails to make the required disclosure to the
IRS may be subject to substantial penalties. The fact that a loss is reportable
under


                                       67
<PAGE>

these regulations does not affect the legal determination of whether or not the
taxpayer's treatment of the loss is proper. Shareholders should consult with
their tax advisers to determine the applicability of these regulations in light
of their individual circumstances.

Shareholders that are exempt from U.S. federal income tax, such as retirement
plans that are qualified under Section 401 of the Code, generally are not
subject to U.S. federal income tax on fund dividends or distributions, or on
sales or exchanges of fund shares unless the fund shares are "debt-financed
property" within the meaning of the Code. However, in the case of fund shares
held through a non-qualified deferred compensation plan, fund dividends and
distributions received by the plan and gains from sales and exchanges of fund
shares by the plan generally are taxable to the employer sponsoring such plan
in accordance with the U.S. federal income tax laws that are generally
applicable to shareholders receiving such dividends or distributions from
regulated investment companies such as the fund. A plan participant whose
retirement plan invests in the fund, whether such plan is qualified or not,
generally is not taxed on fund dividends or distributions received by the plan
or on gains from sales or exchanges of fund shares by the plan for U.S. federal
income tax purposes. However, distributions to plan participants from a
retirement plan account generally are taxable as ordinary income, and 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.

Foreign exchange gains and losses realized by the fund in connection with
certain transactions involving foreign currency-denominated debt securities,
certain options and futures contracts relating to foreign currency, foreign
currency forward contracts, foreign currencies, or payables or receivables
denominated in a foreign currency are subject to Section 988 of the Code, which
generally causes such gains and losses to be treated as ordinary income and
losses and may affect the amount, timing and character of distributions to
shareholders. Under Treasury regulations that may be promulgated in the future,
any gains from such transactions that are not directly related to the fund's
principal business of investing in stock or securities (or its options
contracts or futures contracts with respect to stock or securities) may have to
be limited in order to enable the fund to satisfy the 90% income test.


If the fund acquires any equity interest (under Treasury regulations that may
be promulgated in the future, generally including not only stock but also an
option to acquire stock such as is inherent in a convertible bond) in certain
foreign corporations (i) that receive at least 75% of their annual gross income
from passive sources (such as interest, dividends, certain rents and royalties,
or capital gains) or (ii) where at least 50% of the corporation's assets
(computed based on average fair market value) either produce or are held for
the production of passive income ("passive foreign investment companies"), the
fund could be subject to U.S. federal income tax and additional interest
charges on "excess distributions" received from such companies or on 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. A "qualified electing fund" election or a "mark to market" election
may be available that would ameliorate these adverse tax consequences, but such
elections could require the fund to recognize taxable income or gain (subject
to the distribution requirements applicable to regulated investment companies,
as described above) without the concurrent receipt of cash. In order to satisfy
the distribution requirements and avoid a tax on the fund, the fund may be
required to liquidate portfolio securities that it might otherwise have
continued to hold, potentially resulting in additional taxable gain or loss to
the fund. Gains from the sale of stock of passive foreign investment companies
may also be treated as ordinary income. In order for the fund to make a
qualified electing fund election with respect to a passive foreign investment
company, the passive foreign investment company would have to agree to provide
certain tax information to the fund on an annual basis, which it might not
agree to do. Under proposed Treasury regulations, certain income derived by the
fund for a taxable year from a passive foreign investment company with respect
to which the fund has made a qualified electing fund election would generally
constitute qualifying income only to the extent the



                                       68
<PAGE>


passive foreign investment company makes distributions in respect of that
income to the fund for that taxable year. The fund may limit and/or manage its
holdings in passive foreign investment companies to limit its tax liability or
maximize its return from these investments.


If the fund invests in certain pay-in-kind securities, zero coupon securities,
deferred interest securities or, in general, any other securities with original
issue discount (or with market discount if the fund elects to include market
discount in income currently), the fund generally must accrue income on such
investments for each taxable year, which generally will be prior to the receipt
of the corresponding cash payments. However, the fund must distribute to its
shareholders, at least annually, all or substantially all of its investment
company taxable income (determined without regard to the deduction for
dividends paid), including such accrued income, to qualify to be treated as a
regulated investment company under the Code and avoid U.S. federal income and
excise taxes. Therefore, the fund may have to dispose of its portfolio
securities, potentially under disadvantageous circumstances, to generate cash,
or may have to borrow the cash, to satisfy distribution requirements. Such a
disposition of securities may potentially result in additional taxable gain or
loss to the fund.


The fund may invest in, or hold, debt obligations that are in the lowest rating
categories or that are unrated, including debt obligations of issuers not
currently paying interest or that are in default. Investments in debt
obligations that are at risk of or are in default present special tax issues
for the fund. Federal income 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 interest and whether certain 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 or holds such securities,
in order to seek to ensure that it distributes sufficient income to preserve
its status as a regulated investment company and does not become subject to
U.S. federal income or excise tax.


Options written or purchased and futures contracts entered into by the fund on
certain securities, indices and foreign currencies, as well as certain forward
foreign currency contracts, may cause the fund to recognize gains or losses
from marking-to-market even though such options may not have lapsed or been
closed out or exercised, or such futures or forward contracts may not have been
performed or closed out. The tax rules applicable to these contracts may affect
the characterization of some capital gains and losses realized by the fund as
long-term or short-term. Certain options, futures and forward contracts
relating to foreign currency may be subject to Section 988 of the Code, as
described above, and accordingly may produce ordinary income or loss.
Additionally, the fund may be required to recognize gain if an option, futures
contract, forward contract, short sale or other transaction that is not subject
to the mark-to-market rules is treated as a "constructive sale" of an
"appreciated financial position" held by the fund under Section 1259 of the
Code. Any net mark-to-market gains and/or gains from constructive sales may
also have to be distributed to satisfy the distribution requirements referred
to above even though the fund may receive no corresponding cash amounts,
possibly requiring the disposition of portfolio securities or borrowing to
obtain the necessary cash. Such a disposition of securities may potentially
result in additional taxable gain or loss to the fund. Losses on certain
options, futures or forward contracts 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, futures or forward contracts)
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. Certain tax
elections may be available that would enable the fund to ameliorate some
adverse effects of the tax rules described in this paragraph. The tax rules
applicable to options, futures, forward contracts and straddles may affect the
amount, timing and character of the fund's income and gains or losses and hence
of its distributions to shareholders.


                                       69
<PAGE>

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

The fund is required to withhold (as "backup withholding") a portion of
reportable payments, including dividends, capital gain distributions and the
proceeds of redemptions and exchanges or repurchases of fund shares, paid to
shareholders who have not complied with certain IRS regulations. The backup
withholding rate is 28%. In order to avoid this withholding requirement,
shareholders, other than certain exempt entities, must generally certify that
the Social Security Number or other Taxpayer Identification Number they provide
is their correct number and that they are not currently subject to backup
withholding, or that they are exempt from backup withholding. The fund may
nevertheless be required to backup 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.

The description of certain federal tax provisions above relates only to U.S.
federal income tax consequences for shareholders who are U.S. persons, i.e.,
generally, U.S. citizens or residents or U.S. corporations, partnerships,
trusts or estates, and who are subject to U.S. federal income tax and hold
their shares as capital assets. Except as otherwise provided, this description
does not address the special tax rules that may be applicable to particular
types of investors, such as financial institutions, insurance companies,
securities dealers, other regulated investment companies, or tax-exempt or
tax-deferred plans, accounts or entities. Investors other than U.S. persons may
be subject to different U.S. federal income tax treatment, including a
non-resident alien U.S. withholding tax at the rate of 30% or any lower
applicable treaty rate on amounts treated as ordinary dividends from the fund
(other than certain dividends reported by the fund as (i) interest-related
dividends, to the extent such dividends are derived from the fund's "qualified
net interest income," or (ii) short-term capital gain dividends, to the extent
such dividends are derived from the fund's "qualified short-term gain") or, in
certain circumstances, unless an effective IRS Form W-8BEN or other authorized
withholding certificate is on file, to backup withholding on certain other
payments from the fund. "Qualified net interest income" is the fund's net
income derived from U.S.-source interest and original issue discount, subject
to certain exceptions and limitations. "Qualified short-term gain" generally
means the excess of the net short-term capital gain of the fund for the taxable
year over its net long-term capital loss, if any. Backup withholding will not
be applied to payments that have been subject to the 30% (or lower applicable
treaty rate) withholding tax on shareholders who are neither citizens nor
residents of the United States.


Unless certain non-U.S. entities that hold fund shares comply with IRS
requirements that will generally require them to report information regarding
U.S. persons investing in, or holding accounts with, such entities, a 30%
withholding tax may apply to fund distributions payable to such entities and,
after December 31, 2018, to redemptions and certain capital gain dividends
payable to such entities. A non-U.S. shareholder may be exempt from the
withholding described in this paragraph under an applicable intergovernmental
agreement between the U.S. and a foreign government, provided that the
shareholder and the applicable foreign government comply with the terms of such
agreement.


The fund does not expect to be a "United States real property holding
corporation" as defined in Section 897(c)(2) of the Code. If the fund were to
be classified as a United States real property holding corporation (or if it
would be so classified, were it not for certain exceptions), then distributions
made by the fund to non-U.S. shareholders might be subject to U.S. federal
withholding tax, and non-U.S. shareholders might be required to file U.S.
federal income tax returns to report distributions received from the fund.


                                       70
<PAGE>

Shareholders should consult their own tax advisers on these matters and on
state, local, foreign and other applicable tax laws.

If, as anticipated, the fund qualifies as a regulated investment company under
the Code, it will not be required to pay any Massachusetts income, corporate
excise or franchise taxes or any Delaware corporation income tax.


17. FINANCIAL STATEMENTS


The fund's financial statements and financial highlights for the fiscal year
ended December 31, 2016 appearing in the fund's annual report, filed with the
SEC on March 1, 2017 (Accession No. 0000812195-17-000004), are incorporated by
reference into this statement of additional information. Those financial
statements and financial highlights have been audited by Deloitte & Touche LLP,
independent registered public accounting firm, as indicated in their report
thereon, and are incorporated herein by reference in reliance upon such report,
given on the authority of Deloitte & Touche LLP as experts in accounting and
auditing.


The fund's annual report includes the financial statements referenced above and
is available without charge upon request by calling the fund at 1-800-225-6292.


18. ANNUAL FEE, EXPENSE AND OTHER INFORMATION


PORTFOLIO TURNOVER
The fund's annual portfolio turnover rate for the fiscal years ended December
31



<TABLE>
<CAPTION>
2016    2015
------  -----
<S>     <C>
62%     50%
--      --
</TABLE>


SHARE OWNERSHIP

As of April 1, 2017, the Trustees and officers of the fund owned beneficially
in the aggregate less than 1% of the outstanding shares of the fund. The
following is a list of the holders of 5% or more of any class of the fund's
outstanding shares as of April 1, 2017:




<TABLE>
<CAPTION>
RECORD HOLDER                            SHARE CLASS      NUMBER OF SHARES   % OF CLASS
---------------------------------------- -------------  ------------------  -----------
<S>                                      <C>            <C>                 <C>
Wells Fargo Clearing Services LLC        Class C             212,509.236          5.29
Special Custody Acct for the Exclusive   Class Y             633,712.328         16.82
                                         -------------       -----------         -----
Benefit of Customer
2801 Market St.
St. Louis, MO 63103-2523
----------------------------------------
Morgan Stanley Smith Barney              Class C             206,028.384          5.13
                                         -------------       -----------         -----
Harborside Financial Center
Plaza, 3rd Floor
Jersey City, NJ 07311
----------------------------------------
Hartford Life Insurance Company          Class R             795,997.572         46.15
                                         -------------       -----------         -----
Separate Account
Attn: UIT Operations
P.O. Box 2999
Hartford, CT 06104-2999
----------------------------------------
Voya Retirement Insurance                Class R             437,027.074         25.34
and Annuity Company                      Class Y             257,229.313          6.83
                                         -------------       -----------         -----
One Orange Way B3N
Windsor, CT 06095-4773
----------------------------------------
</TABLE>


                                       71
<PAGE>



<TABLE>
<CAPTION>
RECORD HOLDER                                       SHARE CLASS      NUMBER OF SHARES   % OF CLASS
--------------------------------------------------- -------------  ------------------  -----------
<S>                                                 <C>            <C>                 <C>
First Clearing LLC                                  Class C             239,740.933          5.77
Special Custody Acct for the                        Class Y           1,178,366.247         28.91
                                                    -------------     -------------         -----
Exclusive Benefit of Customer
2801 Market St.
St. Louis, MO 63103-2523
---------------------------------------------------
Brown Brothers Harriman & Co.                       Class Y             489,647.880         13.00
                                                    -------------     -------------         -----
As Custodian for 6164008
Attn: Investment Funds Global
Distribution Center
525 Washington Blvd
Jersey City, NJ 07310-1606
---------------------------------------------------
Voya Institutional Trust Company                    Class Y             281,534.989          7.47
                                                    -------------     -------------         -----
As Trustee or Custodian for Core
Market Retirement Plans
1 Heritage Dr.
North Quincy, MA 02171-2105
---------------------------------------------------
National Financial Services LLC                     Class Y             246,045.979          6.53
                                                    -------------     -------------         -----
For Exclusive Benefit of Our Customers
499 Washington Blvd.
Attn: Mutual Funds Dept. 4th Floor
Jersey City, NJ 07310
---------------------------------------------------
MLPF&S                                              Class C           1,199,097.205         29.87
For the Sole Benefit of its Customers               Class Y             238,368.129          6.33
                                                    -------------     -------------         -----
Mutual Fund Administration
4800 Deer Lake Drive East, 2nd Floor
Jacksonville, FL 32246-6484
---------------------------------------------------
Charles Schwab & Co., Inc.                          Class Y             415,921.313         11.04
                                                    -------------     -------------
Special Custody Account for the Benefit Customers
                                                                                       -----
Attn: Mutual Funds
211 Main St.
San Francisco, CA 94105-1905
---------------------------------------------------
</TABLE>


TRUSTEE OWNERSHIP OF SHARES OF THE FUND AND OTHER PIONEER FUNDS

The following table indicates the value of shares that each Trustee
beneficially owned in the fund and Pioneer Funds in the aggregate as of
December 31, 2016. Beneficial ownership is determined in accordance with SEC
rules. The share value of any closed-end fund is based on its closing market
price on December 31, 2016. The share value of any open-end Pioneer Fund is
based on the net asset value of the class of shares on December 31, 2016. The
dollar ranges in this table are in accordance with SEC requirements.




<TABLE>
<CAPTION>
                                                      AGGREGATE DOLLAR RANGE OF EQUITY
                              DOLLAR RANGE OF             SECURITIES IN ALL REGISTERED
                            EQUITY SECURITIES         INVESTMENT COMPANIES OVERSEEN BY
NAME OF TRUSTEE                   IN THE FUND   TRUSTEE IN THE PIONEER FAMILY OF FUNDS
-----------------------  --------------------  ---------------------------------------
<S>                      <C>                   <C>
INTERESTED TRUSTEES:
-----------------------  --------------------  ---------------------------------------
Kenneth J. Taubes                      None                             Over $100,000
-----------------------  --------------------  ---------------------------------------
INDEPENDENT TRUSTEES:
-----------------------  --------------------  ---------------------------------------
David R. Bock                          None                             Over $100,000
-----------------------  --------------------  ---------------------------------------
Benjamin M. Friedman     $50,001 - $100,000                             Over $100,000
-----------------------  --------------------  ---------------------------------------
Margaret B.W. Graham      $10,001 - $50,000                             Over $100,000
-----------------------  --------------------  ---------------------------------------
Thomas J. Perna                        None                             Over $100,000
-----------------------  --------------------  ---------------------------------------
Marguerite A. Piret                    None                             Over $100,000
-----------------------  --------------------  ---------------------------------------
Fred J. Ricciardi                      None                             Over $100,000
-----------------------  --------------------  ---------------------------------------
</TABLE>


                                       72
<PAGE>

COMPENSATION OF OFFICERS AND TRUSTEES
The following table sets forth certain information with respect to the
compensation of each Trustee of the fund.



<TABLE>
<CAPTION>
                                                 PENSION OR
                                                 RETIREMENT
                              AGGREGATE    BENEFITS ACCRUED      TOTAL COMPENSATION
                           COMPENSATION     AS PART OF FUND       FROM THE FUND AND
NAME OF TRUSTEE+            FROM FUND**            EXPENSES   OTHER PIONEER FUNDS**
-----------------------  --------------  ------------------  ----------------------
<S>                      <C>             <C>                 <C>
INTERESTED TRUSTEES:
-----------------------  -----------     -----               -------------
Kenneth J. Taubes*       $      0.00     $0.00               $        0.00
-----------------------  -----------     -----               -------------
INDEPENDENT TRUSTEES:
-----------------------  -----------     -----               -------------
David R. Bock            $ 30,249.17     $0.00               $  253,250.00
-----------------------  -----------     -----               -------------
Benjamin M. Friedman     $ 30,142.70     $0.00               $  252,500.00
-----------------------  -----------     -----               -------------
Margaret B.W. Graham     $ 26,039.62     $0.00               $  223,500.00
-----------------------  -----------     -----               -------------
Thomas J. Perna          $ 36,426.60     $0.00               $  296,750.00
-----------------------  -----------     -----               -------------
Marguerite A. Piret      $ 28,829.62     $0.00               $  243,250.00
-----------------------  -----------     -----               -------------
Fred J. Ricciardi+       $ 23,617.65     $0.00               $  206,500.00
-----------------------  -----------     -----               -------------
   TOTAL                 $175,305.36     $0.00               $1,475,750.00
-----------------------  -----------     -----               -------------
</TABLE>


*     Under the management contract, Pioneer reimburses the fund for any
      Interested Trustee fees paid by the fund.


**    For the fiscal year ended December 31, 2016. As of December 31, 2016,
      there were 45 U.S. registered investment portfolios in the Pioneer Family
      of Funds.



+     Ms. Lorraine Monchak is a non-voting Advisory Trustee. Ms. Monchak
      received aggregate compensation from the fund in the amount of
      $26,203.44, pension or retirement benefits accrued as part of portfolio
      expenses of $0.00, and total compensation from the fund and the other
      Pioneer Funds in the amount of $224,750.00 for the fiscal year ended
      December 31, 2016.



APPROXIMATE MANAGEMENT FEES THE FUND PAID OR OWED PIONEER
The following table shows the dollar amount of gross investment management fees
incurred by the fund, along with the net amount of fees that were paid after
applicable fee waivers or expense reimbursements, if any. The data is for the
past three fiscal years or shorter period if the fund has been in operation for
a shorter period.



<TABLE>
<CAPTION>
FOR THE FISCAL YEARS ENDED DECEMBER 31              2016            2015            2014
----------------------------------------  --------------  --------------  --------------
<S>                                       <C>             <C>             <C>
Gross Fee Incurred                        $24,130,266     $26,740,777     $25,769,353
----------------------------------------  -----------     -----------     -----------
Net Fee Paid                              $24,130,266     $26,740,777     $25,769,353
----------------------------------------  -----------     -----------     -----------
</TABLE>


FEES THE FUND PAID TO PIONEER UNDER THE ADMINISTRATION AGREEMENT



<TABLE>
<CAPTION>
      FOR THE FISCAL YEARS ENDED DECEMBER 31
---------------------------------------------------
         2016               2015           2014
---------------------  -------------  -------------
<S>                    <C>            <C>
        $2,388,862     $1,517,506     $1,526,422
      ------------     ----------     ----------
</TABLE>


                                       73
<PAGE>

UNDERWRITING EXPENSES AND COMMISSIONS



<TABLE>
<CAPTION>
FOR THE FISCAL YEARS ENDED DECEMBER 31                                    2016           2015           2014
---------------------------------------------------------------  -------------  -------------  -------------
<S>                                                              <C>            <C>            <C>
Approximate Net Underwriting Expenses Retained by PFD            $  493,360     $  367,342     $  574,659
---------------------------------------------------------------  ----------     ----------     ----------
Approximate Commissions Reallowed to Dealers (Class A shares)    $2,729,897     $3,129,143     $3,184,401
---------------------------------------------------------------  ----------     ----------     ----------
Approximate Brokerage and Underwriting Commissions (Portfolio
Transactions)                                                    $2,414,954     $2,493,099     $1,319,271
---------------------------------------------------------------  ----------     ----------     ----------
</TABLE>


FUND EXPENSES UNDER THE DISTRIBUTION PLAN



<TABLE>
<CAPTION>
              FOR THE FISCAL YEAR ENDED DECEMBER 31, 2016
-----------------------------------------------------------------------
   COMBINED PLAN      CLASS A PLAN    CLASS C PLAN    CLASS R PLAN
-------------------  --------------  --------------  --------------
<S>                  <C>             <C>             <C>             <C>
     $12,272,859     $10,838,484     $1,167,098      $267,277
   -------------     -----------     ----------      --------        --
</TABLE>


ALLOCATION OF FUND EXPENSES UNDER THE DISTRIBUTION PLAN

An estimate by category of the allocation of fees paid by each class of shares
of the fund during the fiscal year ended December 31, 2016 is set forth in the
following table:




<TABLE>
<CAPTION>
                 PAYMENTS
             TO SERVICING                      SALES       PRINTING
               PARTIES/1/    ADVERTISING    MEETINGS    AND MAILING           TOTAL
           --------------  -------------  ----------  -------------  --------------
<S>        <C>             <C>            <C>         <C>            <C>
Class A    $10,468,223     $46,816        $121,796    $43,871        $10,680,706
---------  -----------     -------        --------    -------        -----------
Class C    $ 1,170,870     $ 6,426        $ 14,574    $ 5,782        $ 1,197,652
---------  -----------     -------        --------    -------        -----------
Class R    $   266,584     $ 2,403        $  6,153    $ 2,240        $   277,380
---------  -----------     -------        --------    -------        -----------
</TABLE>



1  Payments to Servicing Parties include Pioneer Funds Distributor, Inc.,
   broker-dealers, financial intermediaries and other parties that enter into
   a distribution, selling or service agreement with respect to one or more
   classes of the fund (annualized for the period ending December 31, 2016).



SECURITIES OF REGULAR BROKER-DEALERS

As of December 31, 2016, the fund held the following securities of its regular
broker-dealers (or affiliates of such broker-dealers):




<TABLE>
<S>                                       <C>       <C>
                                                     (000's)
----------------------------------------  --------  --------
                  JP Morgan Chase & Co    Equity    $182,503
----------------------------------------  --------  --------
                            US Bancorp    Equity    $124,829
----------------------------------------  --------  --------
The PNC Financial Services Group, Inc.    Equity    $122,223
----------------------------------------  --------  --------
                       Blackrock, Inc.    Equity    $ 86,915
----------------------------------------  --------  --------
         The Goldman Sachs Group, Inc.    Equity    $133,445
----------------------------------------  --------  --------
</TABLE>


CDSCS

During the fiscal year ended December 31, 2016, the following CDSCs were paid
to PFD:
$5,348


CAPITAL LOSS CARRYFORWARDS AS OF DECEMBER 31, 2016
At December 31, 2016, the fund had the following net capital loss carryforward:
$0


                                       74
<PAGE>

19. APPENDIX A - DESCRIPTION OF SHORT-TERM DEBT, CORPORATE BOND AND PREFERRED
STOCK RATINGS/1/


DESCRIPTION OF MOODY'S INVESTORS SERVICE, INC.'S ("MOODY'S") SHORT-TERM
RATINGS:
Moody's short-term ratings are forward-looking opinions of the ability of
issuers to honor short-term financial obligations. Ratings may be assigned to
issuers, short-term programs or to individual short-term debt instruments. Such
obligations generally have an original maturity of thirteen months or less and
reflect the likelihood of a default on contractually promised payments.

Moody's employs the following designations to indicate the relative repayment
ability of rated issuers:

P-1: Issuers (or supporting institutions) rated Prime-1 have a superior ability
to repay short-term debt obligations.

P-2: Issuers (or supporting institutions) rated Prime-2 have a strong ability
to repay short-term debt obligations.

P-3: Issuers (or supporting institutions) rated Prime-3 have an acceptable
ability to repay short-term obligations.

NP: Issuers (or supporting institutions) rated Not Prime do not fall within any
of the Prime rating categories.

NOTE: Canadian issuers rated P-1 or P-2 have their short-term ratings enhanced
by the senior-most long-term rating of the issuer, its guarantor or
support-provider.


DESCRIPTION OF MOODY'S LONG-TERM CORPORATE RATINGS:
Moody's long-term obligation ratings are forward-looking opinions of the
relative credit risk of fixed-income obligations with an original maturity of
one year or more. They address the possibility that a financial obligation will
not be honored as promised. Such ratings use Moody's Global Long-Term Rating
Scale and reflect both on the likelihood of default on contractually promised
payments and the expected financial loss suffered in the event of default.

AAA: Obligations rated Aaa are judged to be of the highest quality, subject to
the lowest level of credit risk.

AA: Obligations rated Aa are judged to be of high quality and are subject to
very low credit risk.

A: Obligations rated A are considered upper-medium grade and are subject to low
   credit risk.

BAA: Obligations rated Baa are judged to be medium-grade and subject to
moderate credit risk, and as such may possess certain speculative
characteristics.

BA: Obligations rated Ba are judged to be speculative and are subject to
substantial credit risk.

B: Obligations rated B are considered speculative and are subject to high
   credit risk.

CAA: Obligations rated Caa are judged to be speculative and of poor standing
and are subject to very high credit risk.
------------------------
/1/ The ratings indicated herein are believed to be the most recent ratings
   available at the date of this statement of additional information for the
   securities listed. Ratings are generally given to securities at the time of
   issuance. While the rating agencies may from time to time revise such
   ratings, they undertake no obligation to do so, and the ratings indicated
   do not necessarily represent ratings which will be given to these
   securities on the date of the fund's fiscal year-end.


                                       75
<PAGE>

CA: Obligations rated Ca are highly speculative and are likely in, or very
near, default, with some prospect of recovery of principal and interest.

C: Obligations rated C are the lowest rated class of bonds and are typically in
default, with little prospect for recovery of principal or interest.

NOTE: Moody's appends numerical modifiers "1", "2", and "3" to each generic
rating classification from "Aa" through "Caa". The modifier "1" indicates that
the obligation ranks in the higher end of its generic rating category; the
modifier "2" indicates a mid-range ranking; and the modifier "3" indicates a
ranking in the lower end of that generic rating category. Additionally, a
"(hyb)" indicator is appended to all ratings of hybrid securities issued by
banks, finance companies and securities firms.


STANDARD & POOR'S RATINGS GROUP'S LONG-TERM ISSUE CREDIT RATINGS:
Issue credit ratings are based, in varying degrees, on Standard & Poor's
analysis of the following considerations:

o Likelihood of payment-capacity and willingness of the obligor to meet its
  financial commitment on an obligation in accordance with the terms of the
  obligation;

o Nature of and provisions of the obligation;

o Protection afforded by, and relative position of, the obligation in the event
  of bankruptcy, reorganization, or other arrangement under the laws of
  bankruptcy and other laws affecting creditors' rights.

Issue ratings are an assessment of default risk, but may incorporate an
assessment of relative seniority or ultimate recovery in the event of default.
Junior obligations are typically rated lower than senior obligations, to
reflect the lower priority in bankruptcy, as noted above. (Such differentiation
may apply when an entity has both senior and subordinated obligations, secured
and unsecured obligations, or operating company and holding company
obligations.)

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

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

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

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

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

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

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

                                       76
<PAGE>

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

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

C: A "C" rating is assigned to obligations that are currently highly vulnerable
to nonpayment, obligations that have payment arrearages allowed by the terms of
the documents, or obligations of an issuer that is the subject of a bankruptcy
petition or similar action which have not experienced a payment default. Among
others, the "C" rating may be assigned to subordinated debt, preferred stock or
other obligations on which cash payments have been suspended in accordance with
the instrument's terms or when preferred stock is the subject of a distressed
exchange offer, whereby some or all of the issue is either repurchased for an
amount of cash or replaced by other instruments having a total value that is
less than par.

D: An obligation rated "D" is in payment default. The "D" rating category is
used when payments on an obligation, including a regulatory capital instrument,
are not made on the date due even if the applicable grace period has not
expired, unless Standard & Poor's believes that such payments will be made
during such grace period. The "D" rating also will be used upon the filing of a
bankruptcy petition or the taking of a similar action if payments on an
obligation are jeopardized. An obligation's rating is lowered to "D" upon
completion of a distressed exchange offer, whereby some or all of the issue is
either repurchased for an amount of cash or replaced by other instruments
having a total value that is less than par.

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

NR: This indicates that no rating has been requested, that there is
insufficient information on which to base a rating, or that Standard & Poor's
does not rate a particular obligation as a matter of policy.


STANDARD & POOR'S SHORT-TERM ISSUE CREDIT RATINGS:
Short-term ratings are generally assigned to those obligations considered
short-term in the relevant market. In the U.S., for example, that means
obligations with an original maturity date of no more than 365 days - including
commercial paper. Short-term ratings are also used to indicate the
creditworthiness of an obligor with respect to put features on long-term
obligations. The result is a dual rating, in which the short-term rating
addresses the put feature, in addition to the usual long-term rating.

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

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

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

                                       77
<PAGE>

B: A short-term obligation rated "B" is regarded as having significant
speculative characteristics. Ratings of "B-1", "B-2", and "B-3" may be assigned
to indicate finer distinctions within the "B" category. The obligor currently
has the capacity to meet its financial commitment on the obligation; however,
it faces major ongoing uncertainties which could lead to the obligor's
inadequate capacity to meet its financial commitment on the obligation.

B-1: A short-term obligation rated "B-1" is regarded as having significant
speculative characteristics, but the obligor has a relatively stronger capacity
to meet its financial commitments over the short-term compared to other
speculative-grade obligors.

B-2: A short-term obligation rated "B-2" is regarded as having significant
speculative characteristics, and the obligor has an average speculative-grade
capacity to meet its financial commitments over the short-term compared to
other speculative-grade obligors.

B-3: A short-term obligation rated "B-3" is regarded as having significant
speculative characteristics, and the obligor has a relatively weaker capacity
to meet its financial commitments over the short-term compared to other
speculative-grade obligors.

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

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


LOCAL CURRENCY AND FOREIGN CURRENCY RISKS
Country risk considerations are a standard part of Standard & Poor's analysis
for credit ratings on any issuer or issue. Currency of repayment is a key
factor in this analysis. An obligor's capacity to repay foreign currency
obligations may be lower than its capacity to repay obligations in its local
currency due to the sovereign government's own relatively lower capacity to
repay external versus domestic debt. These sovereign risk considerations are
incorporated in the debt ratings assigned to specific issues. Foreign currency
issuer ratings are also distinguished from local currency issuer ratings to
identify those instances where sovereign risks make them different for the same
issuer.

                                       78
<PAGE>

20. APPENDIX B - PROXY VOTING POLICIES AND PROCEDURES


POLICY
Each of Pioneer Investment Management, Inc. and Pioneer Institutional Asset
Management, Inc. (collectively, "Pioneer") is a fiduciary that owes each of its
clients the duties of care and loyalty with respect to all services undertaken
on the client's behalf, including voting proxies for securities held by the
client. When Pioneer has been delegated proxy-voting authority for a client,
the duty of care requires Pioneer to monitor corporate events and to vote the
proxies. To satisfy its duty of loyalty, Pioneer must place the client's
interests ahead of its own and must cast proxy votes in a manner consistent
with the best interest of the client. It is Pioneer's policy to vote proxies
presented to Pioneer in a timely manner in accordance with these principles.

Pioneer's sole concern in voting proxies is the economic effect of the proposal
on the value of portfolio holdings, considering both the short- and long-term
impact. In many instances, Pioneer believes that supporting the company's
strategy and voting "for" management's proposals builds portfolio value. In
other cases, however, proposals set forth by management may have a negative
effect on that value, while some shareholder proposals may hold the best
prospects for enhancing it. Pioneer monitors developments in the proxy-voting
arena and will revise this policy as needed.

Pioneer's clients may request copies of their proxy voting records and of
Pioneer's proxy voting policies and procedures by either sending a written
request to Pioneer's Proxy Coordinator, or clients may review Pioneer's proxy
voting policies and procedures online at pioneerinvestments.com. Pioneer may
describe to clients its proxy voting policies and procedures by delivering a
copy of Pioneer's Form ADV (Part II), by separate notice to the client or by
other means.


APPLICABILITY
This Proxy Voting policy and the procedures set forth below are designed to
complement Pioneer's investment policies and procedures regarding its general
responsibility to monitor the performance and/or corporate events of companies
that are issuers of securities held in accounts managed by Pioneer. This policy
sets forth Pioneer's position on a number of issues for which proxies may be
solicited, but it does not include all potential voting scenarios or proxy
events. Furthermore, because of the special issues associated with proxy
solicitations by closed-end Funds, Pioneer will vote shares of closed-end Funds
on a case-by-case basis.


PURPOSE
The purposes of this policy is to ensure that proxies for United States ("US")
and non-US companies that are received in a timely manner will be voted in
accordance with the principles stated above. Unless the Proxy Voting Oversight
Group (as described below) specifically determines otherwise, all shares in a
company held by Pioneer-managed accounts for which Pioneer has proxy-voting
authority will be voted alike, unless a client has given specific voting
instructions on an issue.

Pioneer does not delegate the authority to vote proxies relating to securities
held by its clients to any of its affiliates, which include other subsidiaries
of UniCredit S.p.A. ("UniCredit").

Any questions about this policy should be directed to Pioneer's Director of
Investment Operations (the "Proxy Coordinator").

                                       79
<PAGE>

PROCEDURES


PROXY VOTING SERVICE
Pioneer has engaged an independent proxy voting service to assist in the voting
of proxies. The proxy voting service works with custodians to ensure that all
proxy materials are received by the custodians and are processed in a timely
fashion. To the extent applicable, the proxy voting service votes all proxies
in accordance with the proxy voting guidelines established by Pioneer and set
forth herein. The proxy voting service will refer proxy questions to the Proxy
Coordinator (described below) for instructions under circumstances where: (1)
the application of the proxy voting guidelines is unclear; (2) a particular
proxy question is not covered by the guidelines; or (3) the guidelines call for
specific instructions on a case-by-case basis. The proxy voting service is also
requested to call to the Proxy Coordinator's attention specific proxy questions
that, while governed by a guideline, appear to involve unusual or controversial
issues. Pioneer reserves the right to attend a meeting in person and may do so
when it determines that the company or the matters to be voted on at the
meeting are strategically important to its clients.


PROXY COORDINATOR
The Proxy Coordinator coordinates the voting, procedures and reporting of
proxies on behalf of Pioneer's clients. The Proxy Coordinator will deal
directly with the proxy voting service and, in the case of proxy questions
referred by the proxy voting service, will solicit voting recommendations and
instructions from the Portfolio Management Group or, to the extent applicable,
investment sub-advisers. The Proxy Coordinator is responsible for ensuring that
these questions and referrals are responded to in a timely fashion and for
transmitting appropriate voting instructions to the proxy voting service. The
Proxy Coordinator is responsible for verifying with the Chief Legal Officer or
his or her designee whether Pioneer's voting power is subject to any
limitations or guidelines issued by the client (or in the case of an employee
benefit plan, the plan's trustee or other fiduciaries).


REFERRAL ITEMS
The proxy voting service will refer proxy questions to the Proxy Coordinator or
his or her designee that are described by Pioneer's proxy voting guidelines as
to be voted on a case-by-case basis, that are not covered by Pioneer's
guidelines or where Pioneer's guidelines may be unclear with respect to the
matter to be voted on. Under such circumstances, the Proxy Coordinator will
seek a written voting recommendation from the Head of Portfolio Management U.S.
or his or her designated equity portfolio-management representative. Any such
recommendation will include: (i) the manner in which the proxies should be
voted; (ii) the rationale underlying any such decision; and (iii) the
disclosure of any contacts or communications made between Pioneer and any
outside parties concerning the proxy proposal prior to the time that the voting
instructions are provided.


SECURITIES LENDING
In accordance with industry standards, proxies are not available to be voted
when the shares are out on loan through either Pioneer's lending program or a
client's managed security lending program. However, Pioneer will reserve the
right to recall lent securities so that they may be voted according to the
Pioneer's instructions. If a portfolio manager would like to vote a block of
previously lent shares, the Proxy Coordinator will work with the portfolio
manager and Investment Operations to recall the security, to the extent
possible, to facilitate the vote on the entire block of shares. Certain clients
participate in securities lending programs. Although such programs allow for
the recall of securities for any reason, Pioneer may determine not to vote
securities on loan and it may not always be possible for securities on loan to
be recalled in time to be voted.

                                       80
<PAGE>

SHARE-BLOCKING
"Share-blocking" is a market practice whereby shares are sent to a custodian
(which may be different than the account custodian) for record keeping and
voting at the general meeting. The shares are unavailable for sale or delivery
until the end of the blocking period (typically the day after general meeting
date).

Pioneer will vote in those countries with "share-blocking." In the event a
manager would like to sell a security with "share-blocking", the Proxy
Coordinator will work with the Portfolio Manager and Investment Operations
Department to recall the shares (as allowable within the market time frame and
practices) and/or communicate with executing brokerage firm. A list of
countries with "share-blocking" is available from the Investment Operations
Department upon request.


PROXY VOTING OVERSIGHT GROUP
The members of the Proxy Voting Oversight Group include Pioneer's Head of
Portfolio Management U.S. or his or her designated equity portfolio management
representative, the Director of Investment Operations, and the Chief Compliance
Officer of the Adviser and Funds. Other members of Pioneer will be invited to
attend meetings and otherwise participate as necessary. The Director of
Investment Operations will chair the Proxy Voting Oversight Group.

The Proxy Voting Oversight Group is responsible for developing, evaluating, and
changing (when necessary) Pioneer's proxy voting policies and procedures. The
group meets at least annually to evaluate and review this policy and procedures
and the services of its third-party proxy voting service. In addition, the
Proxy Voting Oversight Group will meet as necessary to vote on referral items
and address other business as necessary.


AMENDMENTS
Pioneer may not amend this policy without the prior approval of the Proxy
Voting Oversight Group and its corporate parent, Pioneer Global Asset
Management S.p.A. ("PGAM").


FILING FORM N-PX
The Proxy Coordinator and the Regulatory Compliance Manager are responsible for
ensuring that Form N-PX documents receive the proper review by a member of the
Proxy Voting Oversight Group prior to a Fund officer signing the forms.

The Investment Operations department will provide the Compliance department
with a copy of each Form N-PX filing prepared by the proxy voting service.

COMPLIANCE FILES N-PX.

The Compliance department will ensure that a corresponding Form N-PX exists for
each Pioneer registered investment company.

Following this review, each Form N-PX is formatted for public dissemination via
the EDGAR system.

Prior to submission, each Form N-PX is to be presented to the Fund officer for
a final review and signature.

Copies of the Form N-PX filings and their submission receipts are maintained
according to Pioneer record keeping policies.


PROXY VOTING GUIDELINES


ADMINISTRATIVE
While administrative items appear infrequently in U.S. issuer proxies, they are
quite common in non-U.S. proxies.

We will generally support these and similar management proposals:

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o Corporate name change.

o A change of corporate headquarters.

o Stock exchange listing.

o Establishment of time and place of annual meeting.

o Adjournment or postponement of annual meeting.

o Acceptance/approval of financial statements.

o Approval of dividend payments, dividend reinvestment plans and other
  dividend-related proposals.

o Approval of minutes and other formalities.

o Authorization of the transferring of reserves and allocation of income.

o Amendments to authorized signatories.

o Approval of accounting method changes or change in fiscal year-end.

o Acceptance of labor agreements.

o Appointment of internal auditors.

Pioneer will vote on a case-by-case basis on other routine administrative
items; however, Pioneer will oppose any routine proposal if insufficient
information is presented in advance to allow Pioneer to judge the merit of the
proposal. Pioneer has also instructed its proxy voting service to inform
Pioneer of its analysis of any administrative items that may be inconsistent,
in its view, with Pioneer's goal of supporting the value of its clients'
portfolio holdings so that Pioneer may consider and vote on those items on a
case-by-case basis.


AUDITORS
We normally vote for proposals to:

o Ratify the auditors. We will consider a vote against if we are concerned
  about the auditors' independence or their past work for the company.
  Specifically, we will oppose the ratification of auditors and withhold votes
  for audit committee members if non-audit fees paid by the company to the
  auditing firm exceed the sum of audit fees plus audit-related fees plus
  permissible tax fees according to the disclosure categories proposed by the
  Securities and Exchange Commission.

o Restore shareholder rights to ratify the auditors.

We will normally oppose proposals that require companies to:

o Seek bids from other auditors.

o Rotate auditing firms, except where the rotation is statutorily required or
  where rotation would demonstrably strengthen financial disclosure.

o Indemnify auditors.

o Prohibit auditors from engaging in non-audit services for the company.


BOARD OF DIRECTORS
On issues related to the board of directors, Pioneer normally supports
management. We will, however, consider a vote against management in instances
where corporate performance has been very poor or where the board appears to
lack independence.


GENERAL BOARD ISSUES
Pioneer will vote for:

o Audit, compensation and nominating committees composed of independent
  directors exclusively.

o Indemnification for directors for actions taken in good faith in accordance
  with the business judgment rule. We will vote against proposals for broader
  indemnification.

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o Changes in board size that appear to have a legitimate business purpose and
  are not primarily for anti-takeover reasons.

o Election of an honorary director.

We will vote against:

o Minimum stock ownership by directors.

o Term limits for directors. Companies benefit from experienced directors, and
  shareholder control is better achieved through annual votes.

o Requirements for union or special interest representation on the board.

o Requirements to provide two candidates for each board seat.

We will vote on a case-by case basis on these issues:

o Separate chairman and CEO positions. We will consider voting with
  shareholders on these issues in cases of poor corporate performance.


ELECTIONS OF DIRECTORS
In uncontested elections of directors we will vote against:

o Individual directors with absenteeism above 25% without valid reason. We
  support proposals that require disclosure of director attendance.

o Insider directors and affiliated outsiders who sit on the audit,
  compensation, stock option or nominating committees. For the purposes of our
  policy, we accept the definition of affiliated directors provided by our
  proxy voting service.

We will also vote against:

o Directors who have failed to act on a takeover offer where the majority of
  shareholders have tendered their shares.

o Directors who appear to lack independence or are associated with very poor
  corporate performance.

We will vote on a case-by-case basis on these issues:

o Re-election of directors who have implemented or renewed a dead-hand or
  modified dead-hand poison pill (a "dead-hand poison pill" is a shareholder
  rights plan that may be altered only by incumbent or "dead" directors. These
  plans prevent a potential acquirer from disabling a poison pill by obtaining
  control of the board through a proxy vote).

o Contested election of directors.

o Election of a greater number of independent directors (in order to move
  closer to a majority of independent directors in cases of poor performance.

o Mandatory retirement policies.

o Directors who have ignored a shareholder proposal that has been approved by
  shareholders for two consecutive years.

We will vote for:

o Precatory and binding resolutions requesting that the board changes the
  company's bylaws to stipulate that directors need to be elected with
  affirmative majority of votes cast, provided that the resolutions allow for
  plurality voting in cases of contested elections.

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TAKEOVER-RELATED MEASURES
Pioneer is generally opposed to proposals that may discourage takeover
attempts. We believe that the potential for a takeover helps ensure that
corporate performance remains high.

Pioneer will vote for:

o Cumulative voting.

o Increasing the ability for shareholders to call special meetings.

o Increasing the ability for shareholders to act by written consent.

o Restrictions on the ability to make greenmail payments.

o Submitting rights plans to shareholder vote.

o Rescinding shareholder rights plans ("poison pills").

o Opting out of the following state takeover statutes:

  - Control share acquisition statutes, which deny large holders voting rights
    on holdings over a specified threshold.

  - Control share cash-out provisions, which require large holders to acquire
    shares from other holders

  - Freeze-out provisions, which impose a waiting period on large holders
    before they can attempt to gain control

  - Stakeholder laws, which permit directors to consider interests of
    non-shareholder constituencies.

  - Disgorgement provisions, which require acquirers to disgorge profits on
    purchases made before gaining control.

  - Fair price provisions.

  - Authorization of shareholder rights plans.

  - Labor protection provisions.

  - Mandatory classified boards.

We will vote on a case-by-case basis on the following issues:

o Fair price provisions. We will vote against provisions requiring
  supermajority votes to approve takeovers. We will also consider voting
  against proposals that require a supermajority vote to repeal or amend the
  provision. Finally, we will consider the mechanism used to determine the
  fair price; we are generally opposed to complicated formulas or requirements
  to pay a premium.

o Opting out of state takeover statutes regarding fair price provisions. We
  will use the criteria used for fair price provisions in general to determine
  our vote on this issue.

o Proposals that allow shareholders to nominate directors.

We will vote against:

o Classified boards, except in the case of closed-end funds, where we shall
  vote on a case-by-case basis.

o Limiting shareholder ability to remove or appoint directors. We will support
  proposals to restore shareholder authority in this area. We will review on
  case-by-case basis proposals that authorize the board to make interim
  appointments.

o Classes of shares with unequal voting rights.

o Supermajority vote requirements.

o Severance packages ("golden" and "tin" parachutes). We will support proposals
  to put these packages to shareholder vote.

o Reimbursement of dissident proxy solicitation expenses. While we ordinarily
  support measures that encourage takeover bids, we believe that management
  should have full control over corporate funds.

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o Extension of advance notice requirements for shareholder proposals.

o Granting board authority normally retained by shareholders (e.g., amend
  charter, set board size).

o Shareholder rights plans ("poison pills"). These plans generally allow
  shareholders to buy additional shares at a below-market price in the event
  of a change in control and may deter some bids.


CAPITAL STRUCTURE
Managements need considerable flexibility in determining the company's
financial structure, and Pioneer normally supports managements' proposals in
this area. We will, however, reject proposals that impose high barriers to
potential takeovers.

Pioneer will vote for:

o Changes in par value.

o Reverse splits, if accompanied by a reduction in number of shares.

o Shares repurchase programs, if all shareholders may participate on equal
  terms.

o Bond issuance.

o Increases in "ordinary" preferred stock.

o Proposals to have blank check common stock placements (other than shares
  issued in the normal course of business) submitted for shareholder approval.

o Cancellation of company treasury shares.

We will vote on a case-by-case basis on the following issues:

o Reverse splits not accompanied by a reduction in number of shares,
  considering the risk of delisting.

o Increase in authorized common stock. We will make a determination
  considering, among other factors:

  - Number of shares currently available for issuance;

  - Size of requested increase (we would normally approve increases of up to
    100% of current authorization);

  - Proposed use of the proceeds from the issuance of additional shares, and

  - Potential consequences of a failure to increase the number of shares
    outstanding (e.g., delisting or bankruptcy).

o Blank check preferred. We will normally oppose issuance of a new class of
  blank check preferred, but may approve an increase in a class already
  outstanding if the company has demonstrated that it uses this flexibility
  appropriately.

o Proposals to submit private placements to shareholder vote.

o Other financing plans.

We will vote against preemptive rights that we believe limit a company's
 financing flexibility.


COMPENSATION
Pioneer supports compensation plans that link pay to shareholder returns and
believes that management has the best understanding of the level of
compensation needed to attract and retain qualified people. At the same time,
stock-related compensation plans have a significant economic impact and a
direct effect on the balance sheet. Therefore, while we do not want to
micromanage a company's compensation programs, we will place limits on the
potential dilution these plans may impose.

Pioneer will vote for:

o 401(k) benefit plans.

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o Employee stock ownership plans (ESOPs), as long as shares allocated to ESOPs
  are less than 5% of outstanding shares. Larger blocks of stock in ESOPs can
  serve as a takeover defense. We will support proposals to submit ESOPs to
  shareholder vote.

o Various issues related to the Omnibus Budget and Reconciliation Act of 1993
  (OBRA), including:

  - Amendments to performance plans to conform with OBRA;

  - Caps on annual grants or amendments of administrative features;

  - Adding performance goals, and

  - Cash or cash and stock bonus plans.

o Establish a process to link pay, including stock-option grants, to
  performance, leaving specifics of implementation to the company.

o Require that option repricing be submitted to shareholders.

o Require the expensing of stock-option awards.

o Require reporting of executive retirement benefits (deferred compensation,
  split-dollar life insurance, SERPs, and pension benefits).

o Employee stock purchase plans where the purchase price is equal to at least
  85% of the market price, where the offering period is no greater than 27
  months and where potential dilution (as defined below) is no greater than
  10%.

We will vote on a case-by-case basis on the following issues:

o Shareholder proposals seeking additional disclosure of executive and director
  pay information.

o Executive and director stock-related compensation plans. We will consider the
  following factors when reviewing these plans:

  - The program must be of a reasonable size. We will approve plans where the
    combined employee and director plans together would generate less than 15%
    dilution. We will reject plans with 15% or more potential dilution.

                        Dilution = (A + B + C) / (A + B + C + D), where
                        A = Shares reserved for plan/amendment,
                        B = Shares available under continuing plans,
                        C = Shares granted but unexercised and
                        D = Shares outstanding.

  - The plan must not:

    - Explicitly permit unlimited option repricing authority or that have
      repriced in the past without shareholder approval

    - Be a self-replenishing "evergreen" plan, or a plan that grants discount
      options and tax offset payments

  - We are generally in favor of proposals that increase participation beyond
    executives.

  - We generally support proposals asking companies to adopt rigorous vesting
    provisions for stock option plans such as those that vest incrementally
    over, at least, a three- or four-year period with a pro rata portion of
    the shares becoming exercisable on an annual basis following grant date.

  - We generally support proposals asking companies to disclose their window
    period policies for stock transactions. Window period policies ensure that
    employees do not exercise options based on insider information
    contemporaneous with quarterly earnings releases and other material
    corporate announcements.

  - We generally support proposals asking companies to adopt stock holding
    periods for their executives.

o All other employee stock purchase plans.

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o All other compensation-related proposals, including deferred compensation
  plans, employment agreements, loan guarantee programs and retirement plans.

o All other proposals regarding stock compensation plans, including extending
  the life of a plan, changing vesting restrictions, repricing options,
  lengthening exercise periods or accelerating distribution of awards and
  pyramiding and cashless exercise programs.

We will vote against:

o Pensions for non-employee directors. We believe these retirement plans reduce
  director objectivity.

o Elimination of stock option plans.

We will vote on a case-by-case basis on these issues:

o Limits on executive and director pay.

o Stock in lieu of cash compensation for directors.


CORPORATE GOVERNANCE
Pioneer will vote for:

o Confidential voting.

o Equal access provisions, which allow shareholders to contribute their
  opinions to proxy materials.

o Proposals requiring directors to disclose their ownership of shares in the
  company.

We will vote on a case-by-case basis on the following issues:

o Change in the state of incorporation. We will support reincorporations
  supported by valid business reasons. We will oppose those that appear to be
  solely for the purpose of strengthening takeover defenses.

o Bundled proposals. We will evaluate the overall impact of the proposal.

o Adopting or amending the charter, bylaws or articles of association.

o Shareholder appraisal rights, which allow shareholders to demand judicial
  review of an acquisition price.

We will vote against:

o Shareholder advisory committees. While management should solicit shareholder
  input, we prefer to leave the method of doing so to management's discretion.

o Limitations on stock ownership or voting rights.

o Reduction in share ownership disclosure guidelines.

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MERGERS AND RESTRUCTURINGS
Pioneer will vote on the following and similar issues on a case-by-case basis:

o Mergers and acquisitions.

o Corporate restructurings, including spin-offs, liquidations, asset sales,
  joint ventures, conversions to holding company and conversions to
  self-managed REIT structure.

o Debt restructurings.

o Conversion of securities.

o Issuance of shares to facilitate a merger.

o Private placements, warrants, convertible debentures.

o Proposals requiring management to inform shareholders of merger
  opportunities.

We will normally vote against shareholder proposals requiring that the company
 be put up for sale.


MUTUAL FUNDS
Many of our portfolios may invest in shares of closed-end funds or
exchange-traded funds. The non-corporate structure of these investments raises
several unique proxy-voting issues.

Pioneer will vote for:

o Establishment of new classes or series of shares.

o Establishment of a master-feeder structure.

Pioneer will vote on a case-by-case on:

o Changes in investment policy. We will normally support changes that do not
  affect the investment objective or overall risk level of the fund. We will
     examine more fundamental changes on a case-by-case basis.

o Approval of new or amended advisory contracts.

o Changes from closed-end to open-end format.

o Election of a greater number of independent directors (in order to move
  closer to a majority of independent directors) in cases of poor performance.

o Authorization for, or increase in, preferred shares.

o Disposition of assets, termination, liquidation, or mergers.

o Classified boards of closed-end funds, but will typically support such
  proposals.


SOCIAL ISSUES
Pioneer will abstain on stockholder proposals calling for greater disclosure of
corporate activities with regard to social issues. "Social Issues" may
generally be described as shareholder proposals for a company to:

o Conduct studies regarding certain issues of public concern and interest;

o Study the feasibility of the company taking certain actions with regard to
  such issues; or

o Take specific action, including ceasing certain behavior and adopting company
  standards and principles, in relation to issues of public concern and
  interest.

We believe these issues are important and should receive management attention.

Pioneer will vote against proposals calling for substantial changes in the
company's business or activities. We will also normally vote against proposals
with regard to contributions, believing that management should control the
routine disbursement of funds.

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<PAGE>

AVOIDING CONFLICTS OF INTEREST
Pioneer recognizes that in certain circumstances a conflict of interest may
arise when Pioneer votes a proxy.

A conflict of interest occurs when Pioneer's interests interfere, or appear to
interfere with the interests of Pioneer's clients.

A conflict may be actual or perceived and may exist, for example, when the
matter to be voted on concerns:

o An affiliate of Pioneer, such as another company belonging to the UniCredit
  S.p.A. banking group (a "UniCredit Affiliate");

o An issuer of a security for which Pioneer acts as a sponsor, advisor,
  manager, custodian, distributor, underwriter, broker, or other similar
  capacity (including those securities specifically declared by PGAM to
  present a conflict of interest for Pioneer);

o An issuer of a security for which UniCredit has informed Pioneer that a
  UniCredit Affiliate acts as a sponsor, advisor, manager, custodian,
  distributor, underwriter, broker, or other similar capacity; or

o A person with whom Pioneer (or any of its affiliates) has an existing,
  material contract or business relationship.

Any member of the Proxy Voting Oversight Group and any other associate involved
in the proxy voting process with knowledge of any apparent or actual conflict
of interest must disclose such conflict to the Proxy Coordinator and the Chief
Compliance Officer of Pioneer and the Funds. If any associate is lobbied or
pressured with respect to any voting decision, whether within or outside of
Pioneer, he or she should contact a member of the Proxy Voting Oversight Group
or Pioneer's Chief Compliance Officer.

The Proxy Voting Oversight Group will review each item referred to Pioneer by
the proxy voting service to determine whether an actual or potential conflict
of interest exists in connection with the proposal(s) to be voted upon. The
review will be conducted by comparing the apparent parties affected by the
proxy proposal being voted upon against the Controller's and Compliance
Department's internal list of interested persons and, for any matches found,
evaluating the anticipated magnitude and possible probability of any conflict
of interest being present. The Proxy Voting Oversight Group may cause any of
the following actions to be taken when a conflict of interest is present:

o Vote the proxy in accordance with the vote indicated under "Voting
  Guidelines," If a vote is indicated;

o Direct the independent proxy voting service to vote the proxy in accordance
  with its independent assessment; or

o As determined by the Proxy Voting Oversight Group in its discretion
  consistent with its fiduciary duty.

If the Proxy Voting Oversight Group perceives a material conflict of interest,
the group may also choose to disclose the conflict to the affected clients and
solicit their consent to proceed with the vote, or may take such other action
in good faith (in consultation with counsel) that would protect the interest of
clients.

For each referral item, the determination regarding the presence or absence of
any actual or potential conflict of interest will be documented in a Conflicts
of Interest Report prepared by the Proxy Coordinator.

The Proxy Voting Oversight Group will review periodically the independence of
the proxy voting service. This may include a review of the service's conflict
management procedures and other documentation, and an evaluation as to whether
the service continues to have the competency and capacity to vote proxies.


DECISION NOT TO VOTE PROXIES
Although it is Pioneer's general policy to vote all proxies in accordance with
the principles set forth in this policy, there may be situations in which the
Proxy Voting Oversight Group does not vote a proxy referred to it. For example,
because of the potential conflict of interest inherent in voting shares of a
UniCredit


                                       89
<PAGE>

affiliate, Pioneer will abstain from voting the shares unless otherwise
directed by a client. In such a case, the Proxy Coordinator will inform PGAM
Global Compliance and the PGAM Independent Directors before exercising voting
rights.

There exist other situations in which the Proxy Voting Oversight Group may
refrain from voting a proxy. For example, if the cost of voting a foreign
security outweighs the benefit of voting, the Group may not vote the proxy. The
Group may not be given enough time to process a vote, perhaps because it
receives a meeting notice too late or it cannot obtain a translation of the
agenda in the time available. If Pioneer has outstanding "sell" orders, the
proxies for shares subject to the order may not be voted to facilitate the
sale. Although Pioneer may hold shares on a company's record date, if the
shares are sold prior to the meeting date, the Group may decide not to vote
those shares.


SUPERVISION


ESCALATION
It is each associate's responsibility to contact his or her business unit head,
the Proxy Coordinator, a member of the Proxy Voting Oversight Group or
Pioneer's Chief Compliance Officer if he or she becomes aware of any possible
noncompliance with this policy.


TRAINING
Pioneer will conduct periodic training regarding proxy voting and this policy.
It is the responsibility of the business line policy owner and the applicable
Compliance Department to coordinate and conduct such training.


RELATED POLICIES AND PROCEDURES
Pioneer Investment Management, Inc.'s Books and Records Policy and the Books
and Records of the Pioneer Funds' Policy.


RECORD KEEPING
The Proxy Coordinator shall ensure that Pioneer's proxy voting service:

o Retains a copy of each proxy statement received (unless the proxy statement
  is available from the SEC's Electronic Data Gathering, Analysis, and
  Retrieval (EDGAR) system);

o Retains a record of the vote cast;

o Prepares Form N-PX for filing on behalf of each client that is a registered
  investment company; and

o Is able to promptly provide Pioneer with a copy of the voting record upon its
  request.

The Proxy Coordinator shall ensure that for those votes that may require
 additional documentation
(i.e. conflicts of interest, exception votes and case-by-case votes) the
following records are maintained:

o A record memorializing the basis for each referral vote cast;

o A copy of any document created by Pioneer that was material in making the
  decision on how to vote the subject proxy;

o A copy of any recommendation of the proxy voting service; and

o A copy of any conflict notice, conflict consent or any other written
  communication (including emails or other electronic communications) to or
  from the client (or in the case of an employee benefit plan, the plan's
  trustee or other fiduciaries) regarding the subject proxy vote cast by, or
  the vote recommendation of, Pioneer.

Pioneer shall maintain the above records in the client's file in accordance
 with applicable regulations.


RELATED REGULATIONS
Form N-1A, ICA Rule 30b1-4, Rule 31a1-3, Rule 38a-1 & IAA 206(4)-6, 204-2

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<PAGE>

ADOPTED BY THE PIONEER FUNDS' BOARD OF TRUSTEES
October 5, 2004


EFFECTIVE DATE:
October 5, 2004


REVISION DATE:

September 2009


                                                                   22123-10-0517
                                       91

<PAGE>

                        PART C - OTHER INFORMATION

Item 28.  Exhibits

Amended Form N-1A
Exhibit Reference

       (a)(1)      Amended and Restated Agreement and Declaration of
		   Trust (January 12, 2016) (11)
       (a)(2)      Certificate of Trust (1)
       (b)         Amended and Restated By-Laws (7)
       (c)         See Amended and Restated Declaration of Trust and Amended
                   and Restated By-Laws cited under Items 28(a) and 28(b)
       (d)         Amended and Restated Management Agreement
                   (November 12, 2013) (9)
       (e)(1)      Underwriting Agreement between the Fund and Pioneer Funds
                   Distributor, Inc.(3)
       (e)(2)      Dealer Sales Agreement (6)
       (f)         None
       (g)(1)      Custodian Agreement between the Fund and Brown Brothers
                   Harriman & Co. (July 1, 2001) (5)
       (g)(2)      Amended Appendix A to Custodian
	   	   Agreement (December 10, 2014) (10)
       (g)(3)      Amendment to Custodian Agreement (May 31, 2016) (12)
       (h)(1)      Transfer Agency Agreement (November 2, 2015) (11)
       (h)(2)      Amended and Restated Administration
                   Agreement (February 1, 2017) (12)
       (h)(3)      Administrative Agency Agreement (March 5, 2012) (8)
       (h)(4)      Appendix A to Administrative Agency
                   Agreement (December 27, 2016) (12)
       (i)         Opinion of Counsel (2)
       (j)         Consent of Independent Registered Public Accounting
                   Firm (12)
       (k)         None
       (l)         None
       (m)(1)      Amended and Restated Pioneer Funds
		   Distribution Plan (January 10, 2017) (12)
       (m)(2)      Class R Service Plan (4)
       (n)         Multiple Class Plan pursuant to
                   Rule 18f-3 (January 10, 2017) (12)
       (o)         Not applicable
       (p)         Code of Ethics for Pioneer Funds, PFD, PIAM and
                   PIM (September 20, 2013) (9)
       N/A         Power of Attorney (November 17, 2014) (10)
------------------------

(1) Previously filed. Incorporated herein by reference from the exhibits filed
with Post-Effective Amendment No. 62 to the Fund's Registration Statement
(File No. 2-25980) as filed with the SEC on April 30, 1996 (Accession No.
0000078713-96-000012).

(2) Previously filed. Incorporated herein by reference from the exhibit
filed with Post-Effective Amendment No. 68 to the Registration Statement as
filed with the SEC on April 29, 1999 (Accession No. 0001016964-99-000085).

(3) Previously filed. Incorporated herein by reference from the exhibits
filed with Post-Effective Amendment No. 72 to the Registration Statement as
filed with the SEC on April 30, 2002 (Accession No. 0001016964-02-000101).

(4) Previously filed. Incorporated herein by reference from the exhibits
filed with Post-Effective Amendment No. 73 to the Registration Statement as
filed with the SEC on February 11, 2003 (Accession No. 0001016964-03-000038).

(5) Previously filed. Incorporated herein by reference from the exhibits filed
with Post-Effective Amendment No. 79 to the Registration Statement on Form N-1A
as filed with the SEC on April 28, 2006 (Accession No. 0000831120-06-000022).

(6) Previously filed. Incorporated herein by reference from the exhibits filed
with Post-Effective Amendment No. 80 to the Registration Statement on Form N-1A
as filed with the SEC on March 2, 2007 (Accession No. 0000078713-07-000007).

(7) Previously filed. Incorporated herein by reference from the exhibits filed
with Post-Effective Amendment No. 83 to the Registration Statement on Form N-1A
as filed with the SEC on April 30, 2009 (Accession No. 0000078713-09-000047).

(8) Previously filed. Incorporated herein by reference from the exhibits filed
with Post-Effective Amendment No. 87 to the Registration Statement on Form N-1A
as filed with the SEC on April 27, 2012 (Accession No. 0000930709-12-000005).

(9) Previously filed. Incorporated herein by reference from the exhibits filed
with Post-Effective Amendment No. 91 to the Registration Statement on Form N-1A
as filed with the SEC on April 30, 2014 (Accession No. 00000078713-14-000034).

(10) Previously filed. Incorporated herein by reference from the exhibits filed
with Post-Effective Amendment No. 93 to the Registration Statement on Form N-1A
as filed with the SEC on April 29, 2015 (Accession No. 0000930709-15-000011).

(11) Previously filed. Incorporated herein by reference from the exhibits filed
with Post-Effective Amendment No. 95 to the Registration Statement on Form N-1A
as filed with the SEC on April 26, 2016 (Accession No. 0000930709-16-000027).

(12) Filed herewith.

Item 29.  Persons Controlled by or Under Common Control with the Fund

     None.

Item 30.  Indemnification

     Except for the Amended and Restated Agreement and Declaration of Trust (the
"Declaration"),  establishing  the Fund as a statutory trust under Delaware law,
there is no contract,  arrangement or statute under which any Trustee,  officer,
underwriter  or  affiliated  person of the Fund is insured or  indemnified.  The
Declaration  provides  that every  person  who is, or has been,  a Trustee or an
officer,  employee or agent of the Fund shall be  indemnified by the Fund or the
appropriate Fund series to the fullest extent permitted by law against liability
and against all expenses  reasonably  incurred or paid by him in connection with
any claim, action, suit or proceeding in which he becomes involved as a party or
otherwise by virtue of his being or having been a Trustee,  officer, employee or
agent and against amounts paid or incurred by him in the settlement thereof.

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

Item 31.  Business and Other Connections of Investment Adviser

     Pioneer Investment Management, Inc. ("Pioneer Investments") is a registered
investment adviser under the Investment Advisers Act of 1940, as amended, and is
an indirect, wholly owned subsidiary of UniCredit S.p.A. ("UniCredit").  Pioneer
Investments  manages  investment  companies,  pension and profit  sharing plans,
trusts,  estates or charitable  organizations and other corporations or business
entities.

     To the  knowledge of the Fund,  none of Pioneer  Investments'  directors or
executive  officers  is  or  has  been  during  their  employment  with  Pioneer
Investments engaged in any other business, profession, vocation or employment of
a  substantial  nature for the past two  fiscal  years. Certain directors and
officers,  however,  may hold or may have held  various positions  with, and
engage or have  engaged in business  for,  the  investment companies that
Pioneer Investments manages and/or other UniCredit subsidiaries.


Item 32. Principal Underwriters

          (a)     Pioneer Funds Distributor, Inc. acts as principal underwriter
                  for the following investment companies:

                        Pioneer Asset Allocation Trust
                        Pioneer Bond Fund
                        Pioneer Emerging Markets Fund
                        Pioneer Equity Income Fund
                        Pioneer Fund
                        Pioneer High Yield Fund
                        Pioneer ILS Interval Fund
                        Pioneer Mid Cap Value Fund
                        Pioneer Money Market Trust
                        Pioneer Real Estate Shares
                        Pioneer Series Trust II
                        Pioneer Series Trust III
                        Pioneer Series Trust IV
                        Pioneer Series Trust V
                        Pioneer Series Trust VI
                        Pioneer Series Trust VII
                        Pioneer Series Trust VIII
                        Pioneer Series Trust X
                        Pioneer Series Trust XI
                        Pioneer Series Trust XII
                        Pioneer Short Term Income Fund
                        Pioneer Strategic Income Fund
                        Pioneer Variable Contracts Trust



         (b)     Directors and executive officers of Pioneer Funds Distributor,
                 Inc.:

                         POSITIONS AND OFFICES           POSITIONS AND OFFICES
NAME                     WITH UNDERWRITER                WITH FUND

Lisa M. Jones            President, Director, Chairman	 President
                         and Chief Executive Officer

Laura J. Palmer		 Senior Vice President and	 None
			 Interim Head of U.S.
		         Intermediary Distribution

Erik D. Gosule		 Senior Vice President and	 None
			 Head of Marketing and Product
			 Development

Tracy L. Connelly        Senior Vice President and	 None
                         Chief Operations Officer

Gregg M. Dooling         Chief Financial Officer         None

Terrence J. Cullen	 Senior Vice President and	 None
			 General Counsel

John M. Malone           Senior Vice President and	 None
                         Chief Compliance Officer

Patrick D. Grecco        Vice President and Controller   None

The principal business address of each of these individuals is 60 State Street,
Boston, Massachusetts 02109-1820.

         (c)      Not applicable.


Item 33.  Location of Accounts and Records

         The accounts, books, and other documents required to be maintained by
Section 31(a) of the Investment Company Act of 1940, as amended, and the rules
promulgated thereunder are maintained at the following offices:

	(a)	Registrant:
		60 State Street
		Boston, Massachusetts 02109

	(b)	Investment adviser and administrator:
		Pioneer Investment Management, Inc.
		60 State Street
		Boston, Massachusetts 02109

	(c)	Principal underwriter:
		Pioneer Funds Distributor, Inc.
		60 State Street
		Boston, Massachusetts 02109

	(d) 	Custodian and sub-administrator:
		Brown Brothers Harriman & Co.
		50 Post Office Square
		Boston, Massachusetts 02110

	(e)	Shareholder servicing and transfer agent:
		Boston Financial Data Services, Inc.
		2000 Crown Colony Drive
		Quincy, MA 02169

Item 34.  Management Services

     Not applicable.

Item 35.  Undertakings

     Not applicable.


<PAGE>
                                   SIGNATURES


     Pursuant to the requirements of the Securities Act of 1933, as amended,
and the Investment Company Act of 1940, as amended, the Fund certifies that it
meets all of the requirements for effectiveness of this registration statement
under Rule 485(b) under the Securities Act of 1933 and has duly caused this
Post-Effective Amendment No. 97 to its Registration Statement to be signed on
its behalf by the undersigned, duly authorized, in the City of Boston and The
Commonwealth of Massachusetts on the 26th day of April, 2017.


                                             PIONEER FUND



                                        By: /s/ Lisa M. Jones
                                        ---------------------------------------
                                            Lisa M. Jones
                                            President


     Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed below by the following persons in the
capacities indicated below on April 26, 2017:

        Signature                       Title


        /s/ Lisa M. Jones        	President (Principal Executive Officer)
        Lisa M. Jones


	Mark E. Bradley*                Treasurer (Principal Financial and
        Mark E. Bradley                 Accounting Officer)



        David R. Bock*                  Trustee
        David R. Bock


        Benjamin M. Friedman*           Trustee
        Benjamin M. Friedman


        Margaret B. W. Graham*          Trustee
        Margaret B. W. Graham


	Thomas J. Perna*		Chairman of the Board
	Thomas J. Perna			and Trustee


	Marguerite A. Piret*		Trustee
	Marguerite A. Piret


	Fred J. Ricciardi*		Trustee
	Fred J. Ricciardi


	Kenneth J. Taubes*		Trustee
	Kenneth J. Taubes




  *By: /s/ Lisa M. Jones           Dated: April 26, 2017
       Lisa M. Jones
       Attorney-in-fact

<PAGE>


                                  Exhibit Index


       Exhibit
       Number      Document Title

       (g)(3)      Amendment to Custodian Agreement (May 31, 2016)

       (h)(2)      Amended and Restated Administration
                   Agreement (February 1, 2017)

       (h)(4)      Appendix A to Administrative Agency
                   Agreement (December 27, 2016)

       (j)         Consent of Independent Registered Public Accounting
                   Firm

       (m)(1)      Amended and Restated Pioneer Funds
		   Distribution Plan (January 10, 2017)

       (n)         Multiple Class Plan pursuant to
                   Rule 18f-3 (January 10, 2017)