PIONEER MICRO CAP FUND
485BPOS, 1998-03-30
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                                             File Nos. 333-18639 and  811-7985


   

      As Filed With The Securities and Exchange Commission on March 30, 1998




                       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. 2                       [ X ]
                                                                       

                                     and/or
                                                                       
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940  [ X ]
                                                                      
            Amendment No. 3                                      [ X ]

                        (Check appropriate box or boxes)


                             PIONEER MICRO-CAP FUND

               (Exact name of registrant as specified in charter)

                  60 State Street, Boston, Massachusetts 02109
                (Address of principal executive office) Zip Code

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

        Joseph P. Barri, Hale and Dorr, 60 State Street, Boston, MA 02109
                     (Name and address of agent for service)

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

          [X]       immediately upon filing pursuant to paragraph (b)
          [ ]       on (date) pursaunt 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


Title of Securities: Shares of beneficial interest, no par value
    
<PAGE>
                             PIONEER MICRO-CAP FUND

      Cross-Reference Sheet Showing Location in Prospectus and Statement of
                      Additional Information of Information
                   Required by Items of the Registration Form



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


1.       Cover Page                              Prospectus - Cover
                                                 Page

2.       Synopsis                                Prospectus - Expense
                                                 Information

3.       Condensed Financial Information         Prospectus -
                                                 Financial Highlights

4.       General Description of Registrant       Prospectus- Investment
                                                 Objective and
                                                 Policies; Management of
                                                 the Fund

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

6.       Capital Stock and Other Securities      Prospectus -
                                                 Dividends,
                                                 Distributions
                                                 and Taxation; Management of
                                                 the Fund; The Fund

7.       Purchase of Securities Being
           Offered                               Prospectus - How to Buy Fund
                                                 Shares; How to
                                                 Exchange Fund Shares;
                                                 Dividends,
                                                 Distributions
                                                 and Taxation



8.       Redemption or Repurchase                Prospectus -
                                                 How to Sell Fund Shares; How to
                                                 Exchange Fund Shares


9.       Pending Legal Proceedings               Not Applicable


10.      Cover Page                              Statement of
                                                 Additional Information -
                                                 Cover Page

11.      Table of Contents                       Statement of
                                                 Additional Information -
                                                 Cover Page


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

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

13.      Investment Objectives and Policy        Statement of
                                                 Additional Information -
                                                 Investment Policies and
                                                 Restrictions

14.      Management of the Fund                  Statement of
                                                 Additional Information -
                                                 Management of the Fund;
                                                 Investment Adviser

15.      Control Persons and Principal Holders
           of Securities                         Statement of
                                                 Additional Information -
                                                 Management of the Fund

16.      Investment Advisory and Other
           Services                              Statement of
                                                 Additional Information -
                                                 Management of the Fund;
                                                 Investment Adviser;
                                                 Shareholder
                                                 Servicing/Transfer Agent;
                                                 Custodian; Independent
                                                 Public Accountants


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

18.      Capital Stock and Other Securities      Statement of
                                                 Additional Information -
                                                 Description of Shares; Certain
                                                 Liabilities

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

20.      Tax Status                              Statement of
                                                 Additional Information -
                                                 Tax Status

21.      Underwriters                            Statement of
                                                 Additional Information -
                                                 Underwriting Agreement and
                                                 Distribution Plans;
                                                 Principal Underwriter
<PAGE>

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

22.      Calculation of Performance Data             Statement of
                                                     Additional Information -
                                                     Investment Results

23.      Financial Statements                        Statement of
                                                     Additional Information -
                                                     Financial
                                                     Statements

<PAGE>

                                     PART A

                             PIONEER MICRO-CAP FUND

                                   PROSPECTUS

<PAGE>


                                                                  [PIONEER LOGO]

Pioneer
Micro-Cap
Fund

Class A and Class B Shares
Prospectus
   
March 30, 1998
    

      Pioneer Micro-Cap Fund (the "Fund") seeks capital appreciation by
investing in a diversified portfolio of securities consisting primarily of
common stocks. Any current income generated from these securities is incidental
to the investment objective of the Fund.

   
      In seeking to achieve its investment objective, the Fund will invest at
least 80% of its total assets in common stocks and common stock equivalents of
companies with a market capitalization of $300 million or less ("micro-cap
companies"). See "Investment Objective and Policies" in this Prospectus. There
is no assurance that the Fund will achieve its investment objective.
    

      Prospective investors should be aware that management intends to close
the Fund to new investments after the Fund reaches $150 million in total
assets. Management reserves the right to modify or eliminate restrictions on
the sale of Fund shares. A number of factors will be considered in making such
decisions including, but not limited to, total assets under management. See
"How to Buy Fund Shares--Special Restrictions" for more information.

   
      Fund returns and share prices fluctuate and the value of your account
upon redemption may be more or less than your purchase price. Shares in the
Fund are not deposits or obligations of, or guaranteed or endorsed by, any bank
or other depository institution, and the shares are not federally insured by
the Federal Deposit Insurance Corporation, the Federal Reserve Board or any
other government agency. Investments in the securities of micro-cap companies
may offer greater capital appreciation potential than investments in securities
of larger companies, but may be subject to greater short-term price
fluctuations. The Fund is intended for investors who can accept the risks
associated with its investments and may not be suitable for all investors. See
"Investment Objectives and Policies" for a discussion of these risks.

      This Prospectus provides information about the Fund that you should know
before investing. Please read and retain it for future reference. More
information about the Fund is included in the Statement of Additional
1998, as supplemented or revised from time to time, which is incorporated into
this Prospectus by reference. A copy of the Statement of Additional Information
may be obtained free of charge by calling Shareholder Services at
1-800-225-6292 or by written request to the Fund at 60 State Street, Boston,
Massachusetts 02109. Other information about the Fund has been filed with the
Securities and Exchange Commission (the "SEC") and is available upon request
and without charge by calling 1-800-225-6292 or through the SEC's Internet
website (http://www.sec.gov).
    
 

   
          TABLE OF CONTENTS                                         PAGE
- ------------------------------------------------------------------------
I.        EXPENSE INFORMATION ..................................      2
II.       FINANCIAL HIGHLIGHTS .................................      3
III.      INVESTMENT OBJECTIVE AND POLICIES ....................      4
IV.       MANAGEMENT OF THE FUND ...............................      5
V.        FUND SHARE ALTERNATIVES ..............................      6
VI.       SHARE PRICE ..........................................      6
VII.      HOW TO BUY FUND SHARES ...............................      6
VIII.     HOW TO SELL FUND SHARES ..............................      9
IX.       HOW TO EXCHANGE FUND SHARES ..........................     10
X.        DISTRIBUTION PLANS ...................................     11
XI.       DIVIDENDS, DISTRIBUTIONS AND TAXATION ................     11
XII.      SHAREHOLDER SERVICES .................................     12
           Account and Confirmation Statements .................     12
           Additional Investments ..............................     12
           Financial Reports and Tax Information ...............     12
           Distribution Options ................................     12
           Direct Deposit ......................................     13
           Voluntary Tax Withholding ...........................     13
           Telephone Transactions ..............................     13
           FactFoneSM ..........................................     13
           Retirement Plans ....................................     13
           Telecommunications Device for the Deaf (TDD) ........     13
           Systematic Withdrawal Plans .........................     13
XIII.     THE FUND .............................................     14
XIV.      INVESTMENT RESULTS ...................................     14
          APPENDIX--CERTAIN INVESTMENT PRACTICES ...............     14
    

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

THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION NOR HAS THE COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY
OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE

<PAGE>

I. EXPENSE INFORMATION
   
     This table is designed to help you understand the charges and expenses
that you, as a shareholder, will bear directly or indirectly when you invest in
the Fund. The table reflects shareholder transaction and annual operating
expenses based on actual expenses incurred for the fiscal period ending
November 30, 1997.

Shareholder Transaction Expenses                        Class A        Class B
Maximum Initial Sales Charge on Purchases (as a
  percentage of offering price) .................        5.75%           None
Maximum Sales Charge on Reinvestment of
  Dividends .....................................        None            None
Maximum Deferred Sales Charge (as a percentage
  of purchase price or redemption proceeds, as
  applicable) ...................................        None(1)         4.00%
Redemption fee(2) ...............................        None            None
Exchange fee ....................................        None            None
Annual Operating Expenses+3
  (as a percentage of average net assets):
Management fee ..................................        1.10%           1.10%
12b-1 fees ......................................        0.23%           1.00%
Other expenses (including accounting and transfer
  agent fees, custodian fees and printing
  expenses)(4) ..................................        0.39%           0.35%
                                                        -----           -----
Total Operating Expenses: .......................        1.72%           2.45%
                                                        =====           =====
    

- --------------------
   
(1) Purchases of $1 million or more and purchases by participants in certain
    group plans are not subject to an initial sales charge but may be subject
    to a contingent deferred sales charge ("CDSC") as further described under
    "How to Sell Fund Shares."
(2) Separate fees (currently $10 and $20, respectively) apply to United States
    ("U.S.") and international wire transfers of redemption proceeds.

(3) Management fee and other expenses have been restated to reflect the
    termination of a management fee waiver and expense reimbursement by
    Pioneering Management Corporation ("PMC") in effect during the fiscal year
    ended November 30, 1997.

(4) Expenses are net amounts paid in connection with certain expense offset
    arrangements. See "Financial Highlights."

 +  Annualized
    

     Example:

   
     You would pay the following expenses on a $1,000 investment, with or
without redemption at the end of each time period, assuming 5% annual return,
reinvestment of all dividends and distributions and that the percentage amounts
listed under "Annual Operating Expenses" remain the same each year:

                                     1 Year  3 Years     5 Years     10 Years
Class A Shares ....................    $74     $109        $145        $249
Class B Shares*
- --Assuming complete redemption
  at end of period ................    $65     $106        $151        $261
- --Assuming no redemption ..........    $25     $ 76        $131        $261
    

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

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

   
     For further information regarding management fees, Rule 12b-1 fees and
other expenses of the Fund, see "Management of the Fund," "Distribution Plans"
and "How To Buy Fund Shares" in this Prospectus and "Management of the Fund"
and "Underwriting Agreement and Distribution Plans" in the Statement of
Additional Information. The Fund's payment of a Rule 12b-1 fee may result in
long-term shareholders paying more than the economic equivalent of the maximum
sales charge permitted under the Conduct Rules of the National Association of
Securities Dealers, Inc.
    

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


                                       2

<PAGE>

II. FINANCIAL HIGHLIGHTS
   
     The following information has been audited by Arthur Andersen LLP,
independent public accountants. Arthur Andersen LLP's report on the Fund's
financial statements as of November 30, 1997 appears in the Fund's Annual
Report which is incorporated by reference in the Fund's Statement of Additional
Information. The information listed below should be read in conjunction with
those financial statements. The Annual Report includes more information about
the Fund's performance and is available free of charge by calling Shareholder
Services at 1-800-225-6292.
    

Pioneer Micro-Cap Fund
Selected Data for a Class A Share Outstanding for the Period Presented:

   
<TABLE>
<CAPTION>
                                                                  February 28, 1997
                                                               to November 30, 1997 (a)
                                                              -------------------------
<S>                                                                   <C>
Net asset value, beginning of period ............................     $ 15.00
                                                                      -------
Increase (decrease) from investment operations:
 Net investment income (loss) ...................................     $ (0.07)
 Net realized and unrealized gain (loss) on investments .........     $  2.91
                                                                      -------
Net increase (decrease) in net asset value ......................     $  2.84
                                                                      -------
Net asset value, end of period ..................................     $ 17.84
                                                                      =======
Total return* ...................................................       18.93%
Ratio of net expenses to average net assets .....................        1.76%**+
Ratio of net investment income (loss) to average net assets .....       (0.60)%**+
Portfolio turnover rate .........................................          55%**
Average brokerage commission per share ..........................     $0.0430
Net assets, end of period (in thousands) ........................     $51,825
Ratios assuming no waiver of management fees and assumption
  of expenses by PMC and no reduction for fees paid indirectly:
    Net expenses ................................................        2.12%**
    Net investment income (loss) ................................       (0.96)%**
Ratios assuming waiver of management fees and assumption of
  expenses by PMC and reduction for fees paid indirectly:
    Net expenses ................................................        1.70%**
    Net investment income (loss) ................................       (0.54)%**
</TABLE>
    

Selected Data for a Class B Share Outstanding for the Period Presented:

   
<TABLE>
<CAPTION>
                                                                  February 28, 1997
                                                               to November 30, 1997(a)
                                                              ------------------------
<S>                                                                   <C>
Net asset value, beginning of period ............................     $ 15.00
                                                                      -------
Increase (decrease) from investment operations:
 Net investment income (loss) ...................................     $ (0.16)
 Net realized and unrealized gain (loss) on investments .........     $  2.93
                                                                      -------
Net increase (decrease) in net asset value ......................     $  2.77
                                                                      -------
Net asset value, end of period ..................................     $ 17.77
                                                                      =======
Total return* ...................................................       18.47%
Ratio of net expenses to average net assets .....................        2.48%**+
Ratio of net investment income (loss) to average net assets .....       (1.32)%**+
Portfolio turnover rate .........................................          55%**
Average brokerage commission per share ..........................     $0.0430
Net assets, end of period (in thousands) ........................     $70,971
Ratios assuming no waiver of management fees and assumption 
  of expenses by PMC and reduction for fees paid indirectly:
    Net expenses ................................................        2.81%**
    Net investment income (loss) ................................       (1.65)%**
Ratios assuming waiver of management fees and assumption 
  of expenses by PMC and reduction for fees paid indirectly:
    Net expenses ................................................        2.42%**
    Net investment income (loss) ................................       (1.26)%**
</TABLE>
    

- ---------
   
(a) The per share data is based upon the average shares outstanding for the
    period presented.
    
 *  Assumes initial investment at net asset value at the beginning of each
    period, reinvestment of all distributions, the complete redemption of the
    investment at net asset value at the end of each period, and no sales 
    charges. Total return would be reduced if sales charges were taken into 
    account.
**  Annualized
   
 +  Ratio assuming no reduction for fees paid indirectly.
    

                                       3

<PAGE>

III. INVESTMENT OBJECTIVE AND POLICIES
   
     The investment objective of the Fund is to seek capital appreciation by
investing in a diversified portfolio of securities consisting primarily of
common stocks. Any current income produced by a security is not a primary
factor in the selection of investments.

     Under normal circumstances, at least 80% of the Fund's total assets are
invested in common stocks and common stock equivalents (such as convertible
bonds and preferred stock) of micro-cap companies with a market capitalization
of $300 million or less determined at the time the security is purchased. The
typical capitalization of issuers of securities purchased by the Fund is
expected to be approximately $175 million. While micro-cap company securities
may offer a greater capital appreciation potential than investments in
securities of larger companies, they may also present greater risks. Micro-cap
companies may have limited product lines, market and financial resources, or
may be dependent on small or less experienced management groups. In addition,
the trading volume of micro-cap companies may be limited. Historically, the
market price for securities of micro-cap companies has been more volatile than
for securities of companies with greater capitalization.

     The Fund is managed in accordance with the value investment philosophy of
PMC, the investment adviser to the Fund. This approach consists of developing a
diversified portfolio of securities consistent with the Fund's investment
objective and selected primarily on the basis of PMC's judgment that the
securities have an underlying value, or potential value, which exceeds their
current prices. The analysis and quantification of the economic worth, or basic
value, of individual companies reflects PMC's assessment of a company's assets
and the company's prospects for earnings growth over the next 1-1/2-to-3 years.
PMC relies primarily on the knowledge, experience and judgment of its own
research staff, but also receives and uses information from a variety of
outside sources, including brokerage firms, electronic databases, specialized
research firms and technical journals.

     The Fund's investments in common stocks may include common stock
equivalents, that is, securities with common stock characteristics such as
convertible bonds and preferred stocks. The Fund may invest in the securities
of real estate investment trusts ("REITs"). While there is no requirement to do
so, the Fund currently intends to limit its investments in REITs to 15% of
total assets. For more information on REITs see the Appendix. Up to 5% of the
Fund's assets may be invested in securities that are rated below investment
grade (i.e., Ba and below by Moody's Investors Service, Inc. or BB and below by
Standard & Poor's Ratings Group, or their equivalents). For a description of
the ratings, see the Statement of Additional Information.

     The Fund intends to be substantially fully invested at all times. If
suitable investments are not immediately available, the Fund may hold a portion
of its investments in cash and cash equivalents. For temporary defensive
purposes, however, the Fund may invest up to 100% of its assets in short-term
investments. The Fund will assume a defensive posture only when political and
economic factors affect common stock markets to such an extent that PMC
believes there to be extraordinary risks in being substantially invested in
common stocks. A short-term investment is considered to be an investment with a
maturity of one year or less from the date of issuance. Short-term investments
will not normally represent more than 10% of the Fund's total assets.

     It is the policy of the Fund not to engage in trading for short-term
profits. Nevertheless, changes in the portfolio will be made promptly when
determined to be advisable by reason of developments not foreseen at the time
of the initial investment decision, and usually without reference to the length
of time a security has been held. Accordingly, portfolio turnover rate is not
considered a limiting factor in the execution of investment decisions. See
"Financial Highlights" for actual turnover rates. The Fund's portfolio often
includes a number of securities which are owned by other equity mutual funds
managed by PMC. See "Investment Policies and Restrictions" in the Statement of
Additional Information for more information.

     Not more than 5% of the Fund's assets may be invested in foreign
securities, provided that purchases of Canadian securities are not subject to
the limitations in this paragraph. Investments in foreign securities may be
subject to risks including, but not limited to, foreign taxes and restrictions,
illiquidity and fluctuations in currency values. In addition, the financial
information available on issuers of foreign debt securities is frequently not
as accurate or complete as would be available for a comparable domestic issuer.
See "Investment Policies and Restrictions" in the Statement of Additional
Information.

     The Fund may enter into repurchase agreements, not to exceed seven days,
with broker-dealers and any member bank of the Federal Reserve System. The
Board of Trustees of the Fund will review and monitor the creditworthiness of
any institution which enters into a repurchase agreement with the Fund. Such
repurchase agreements will be fully collateralized with U.S. Treasury and/or
agency obligations with a market value of not less than 100% of the
obligations, valued daily. Collateral will be 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 at low risk. In the event that a repurchase agreement is not
fulfilled, the Fund could suffer a loss to the extent that the value of the
collateral falls below the repurchase price.
    

     The Fund may lend portfolio securities to member firms of the New York
Stock Exchange (the "Exchange"). As with other extensions of credit, there are
risks of delay in recovery or even loss of rights in the collateral should the
borrower of the securities fail financially. The Fund will lend portfolio
securities only to firms which have been approved in advance by the Board of
Trustees, which will monitor the creditworthiness of any such firms. At no time
would the value of the securities loaned exceed 30% of the value of the Fund's
total assets. These investment strategies are also described in the Statement
of Additional Information.

     In pursuit of its objective, the Fund may employ certain active investment
management techniques including options

                                       4
<PAGE>

contracts on securities and securities indices, futures contracts on securities
indices and options on such futures contracts. These techniques may be employed
in an attempt to hedge risks associated with the Fund's portfolio securities.
See the Appendix to this Prospectus and the Statement of Additional Information
for a description of these investment practices and associated risks. The Fund
may invest in restricted and illiquid securities as described in the Statement
of Additional Information.

     The Fund's fundamental investment objective and the fundamental investment
restrictions set forth in the Statement of Additional Information may not be
changed without shareholder approval. Certain other investment policies,
strategies and restrictions on investment are noted throughout the Prospectus
and are set forth in the Statement of Additional Information. These
non-fundamental investment policies, strategies and restrictions may be changed
at any time by a vote of the Board of Trustees.


IV. MANAGEMENT OF THE FUND
   
     The Board of Trustees of the Fund has overall responsibility for
management and supervision of the Fund. The Board meets at least quarterly. By
virtue of the functions performed by PMC as investment adviser, the Fund
requires no employees other than its executive officers, all of whom receive
their compensation from PMC or other sources. The Statement of Additional
Information contains the name and general business and professional background
of each Trustee and executive officer of the Fund.

     Investment advisory services are provided to the Fund by PMC pursuant to a
management contract between PMC and the Fund. PMC serves as investment adviser
to the Fund and is responsible for the overall management of the Fund's
business affairs. PMC is a wholly owned subsidiary of The Pioneer Group, Inc.
("PGI"), a publicly traded Delaware corporation. Pioneer Funds Distributor,
Inc. ("PFD"), an indirect wholly owned subsidiary of PGI, is the principal
underwriter of the Fund.

     Mr. David Tripple, President and Chief Investment Officer of PMC and
Executive Vice President of each Pioneer mutual fund, has general
responsibility for PMC's investment operations and chairs a committee of PMC's
domestic equity managers which reviews PMC's research and portfolio operations,
including those of the Fund. Mr. Tripple joined PMC in 1974.
    

     Research and management for the Fund is the responsibility of a team of
portfolio managers and analysts focusing on special equities and smaller
companies. Members of the team meet regularly to discuss holdings, prospective
investments and portfolio composition.

   
     Day-to-day management of the Fund has been the responsibility of Mr.
William Taussig, Vice President of PMC and the Fund, since the Fund's
inception. Mr. Taussig joined PMC in 1991 and has 14 years of investment
experience.
    

     In addition to the Fund, PMC also manages and serves as the investment
adviser for other mutual funds and is an investment adviser to certain other
institutional accounts. PMC's and PFD's executive offices are located at 60
State Street, Boston, Massachusetts 02109. In an effort to avoid conflicts of
interest with the Fund, the Fund and PMC have adopted a Code of Ethics that is
designed to maintain a high standard of personal conduct by directing that all
personnel defer to the interests of the Fund and its shareholders in making
personal securities transactions.
   
     Under the terms of its contract with the Fund, PMC assists in the
management of the Fund and is authorized in its discretion to buy and sell
securities for the account of the Fund. PMC pays all the expenses, including
executive salaries and the rental of certain office space, related to its
services for the Fund, with the exception of the following which are to be paid
by the Fund: (a) charges and expenses for Fund accounting, pricing and
appraisal services and related overhead, including, to the extent such services
are performed by personnel of PMC or its affiliates, office space and
facilities and personnel compensation, training and benefits; (b) the charges
and expenses of auditors; (c) the charges and expenses of any custodian,
transfer agent, plan agent, dividend disbursing agent and registrar appointed
by the Fund; (d) issue and transfer taxes, chargeable to the Fund in connection
with securities transactions to which the Fund is a party; (e) insurance
premiums, interest charges, dues and fees for membership in trade associations,
and all taxes and corporate fees payable by the Fund to federal, state or other
governmental agencies; (f) fees and expenses involved in registering and
maintaining registrations of the Fund and/or its shares with the SEC, state or
blue sky securities agencies and foreign countries, including the preparation
of Prospectuses and Statements of Additional Information for filing with the
SEC; (g) all expenses of shareholders' and Trustees' meetings and of preparing,
printing and distributing prospectuses, notices, proxy statements and all
reports to shareholders and to governmental agencies; (h) charges and expenses
of legal counsel to the Fund and the Trustees; (i) distribution fees paid by
the Fund in accordance with Rule 12b-1 promulgated by the SEC pursuant to the
Investment Company Act of 1940, as amended (the "1940 Act"); (j) compensation
of those Trustees of the Fund who are not affiliated with or interested persons
of PMC, the Fund (other than as Trustees), PGI or PFD; (k) the cost of
preparing and printing share certificates; and (l) interest on borrowed money,
if any. The Fund also pays all brokers' and underwriting commissions chargeable
to the Fund in connection with securities transactions to which the Fund is a
party.
    
     Orders for the Fund's portfolio securities transactions are placed by PMC,
which strives to obtain the best price and execution for each transaction. In
circumstances in which two or more broker-dealers are in a position to offer
comparable prices and execution, consideration may be given to whether the
broker-dealer provides investment research or brokerage services or sells
shares of any Pioneer mutual fund or other funds for which PMC or any affiliate
or subsidiary serves as investment adviser or manager. See the Statement of
Additional Information for a further description of PMC's brokerage allocation
practices.
   
     As compensation for its management services and certain expenses which PMC
incurs, PMC is entitled to a management fee equal to 1.10% per annum of the
Fund's average daily net assets. The fee is normally computed daily and paid
monthly. See "Expense Information" in the Prospectus and "Investment Adviser"
in the Statement of Additional Information.
    

                                       5
<PAGE>

   
     John F. Cogan, Jr., Chairman and President of the Fund, President and a
Director of PGI and Chairman and a Director of PMC and PFD, owned approximately
14% of the outstanding capital stock of PGI as of the date of this Prospectus.

     Certain information technology experts currently predict the possibility
of a widespread failure of computer systems and certain other equipment which
will be triggered on or after certain dates--primarily January 1, 2000--due to
a systemic inability to process date-related information. This scenario,
commonly known as the "Year 2000 Problem," could have an adverse impact on
individuals and businesses, including the Fund and other mutual funds and
financial organizations. PMC and its affiliates are taking steps believed to be
adequate to address the Year 2000 Problem with respect to the systems and
equipment controlled by the Fund's investment adviser, broker-dealer and
transfer agent. In addition, other entities providing services to the Fund and
its shareholders are being asked to provide assurances that they have
undertaken similar measures with respect to their systems and equipment. There
can be no assurance that these steps will be sufficient to avoid any adverse
impact on the Fund.
    


V. FUND SHARE ALTERNATIVES

     The Fund offers two Classes of shares designated as Class A and Class B
shares, as described more fully in "How to Buy Fund Shares." If you do not
specify in your instructions to the Fund which Class of shares you wish to
purchase, exchange or redeem, the Fund will assume that your instructions apply
to Class A shares.

   
     Class A Shares. If you invest less than $1 million in Class A shares, you
will pay an initial sales charge. Certain purchases may qualify for reduced
initial sales charges. If you invest $1 million or more in Class A shares, no
sales charge will be imposed at the time of purchase; however, shares redeemed
within 12 months of purchase may be subject to a CDSC. Class A shares are
subject to distribution and service fees at a combined annual rate of up to
0.25% of the Fund's average daily net assets attributable to Class A shares.

     Class B Shares. If you plan to invest up to $250,000, Class B shares are
available to you. Class B shares are sold without an initial sales charge, but
are subject to a CDSC of up to 4% if redeemed within six years. Class B shares
are subject to distribution and service fees at a combined annual rate of 1% of
the Fund's average daily net assets attributable to Class B shares. Your entire
investment in Class B shares is available to work for you from the time you
make your investment, but the higher distribution fee paid by Class B shares
will cause your Class B shares (until conversion) to have a higher expense
ratio and to pay lower dividends, to the extent dividends are paid, than Class
A shares. Class B shares will automatically convert to Class A shares, based on
relative net asset value, eight years after the initial purchase.

     Purchasing Class A or Class B Shares. The decision as to which Class to
purchase depends on the amount you invest, the intended length of the
investment and your personal situation. If you are making an investment that
qualifies for reduced sales charges, you might consider Class A shares. If you
prefer not to pay an initial sales charge on an investment of $250,000 or less
and you plan to hold the investment for at least six years, you might consider
Class B shares. Consult your financial representative for more information.

     Investment dealers or their representatives may receive different
compensation depending on which Class of shares they sell. Shares may be
exchanged only for shares of the same Class of another Pioneer mutual fund, and
shares acquired in the exchange will continue to be subject to any CDSC
applicable to the shares of the Pioneer mutual fund originally purchased.
Shares sold outside the U.S. to persons who are not U.S. citizens may be
subject to different sales charges, CDSCs and dealer compensation arrangements
in accordance with local laws and business practices.
    


VI. SHARE PRICE

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

   
     Securities are valued at the last sale price on the principal exchange or
market where they are traded. Securities which have not traded on the date of
valuation or securities for which sales prices are not generally reported are
valued at the mean between the current bid and asked prices. Securities quoted
in foreign currencies are converted to U.S. dollars utilizing foreign exchange
rates employed by the Fund's independent pricing services. Generally, trading
in securities on foreign exchanges 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.
Occasionally, events which affect the values of such securities and such
exchange rates may occur between the times at which they are determined and the
close of regular trading on the Exchange and will therefore not be reflected in
the computation of the Fund's net asset value. If events materially affecting
the value of such securities occur during such period, then these securities
are valued at their fair value as determined in good faith in accordance with
procedures approved by the Trustees. All assets of the Fund for which there is
no other readily available valuation method are valued at their fair value as
determined in good faith by the Trustees.
    

VII. HOW TO BUY FUND SHARES


   
     You may buy Fund shares, unless the purchase of Fund shares has been
restricted by management as described below in "Special Restrictions," from any
securities broker- dealer which has a sales agreement with PFD. If you do not
have a securities broker-dealer, please call 1-800-225-6292. Shares will be
purchased at the public offering price, that is, the net asset value per share,
plus any applicable
    

                                       6

<PAGE>

sales charge, next computed after receipt of a purchase order, except as set
forth below.

   
     The minimum initial investment is $5,000, except as specified below. The
minimum initial investment is $2,000 for Individual Retirement Accounts
("IRAs"). The minimum subsequent investment is $1,000.
    

Special Restrictions
     Prospective investors should be aware that management intends to close the
Fund to new investments at the end of the fifteenth calendar day after the Fund
reaches $150 million in total assets. No new investments will be accepted in
the ninety-day period immediately after such closure. Subsequent to the end of
this ninety-day period, and depending upon market conditions and the
availability of suitable investments for the Fund, additional investments may
be accepted from existing shareholders. The time period for any such subsequent
investments will be determined by management based primarily on its ability to
effectively invest the Fund's available cash. There is no limitation on
purchases of Fund shares through the reinvestment of dividends and capital
gains distributions paid by the Fund.

     As a result of the Fund's intention to close the Fund to new investments,
the Fund is not appropriate for investors who make periodic investments such as
401(k) and 403(b) plans. Certain IRA accounts will be accepted. See "Retirement
Plans."

     You may not buy Fund shares by exchanging shares from any other Pioneer
mutual funds that you currently own. You may not buy Fund shares by exercising
the Reinstatement Privilege available on certain other Pioneer mutual funds.

     Management reserves the right to modify or eliminate restrictions on the
sale of Fund shares if such action is in the interest of Fund shareholders.

   
     Telephone Purchases. Your account is automatically authorized to have the
telephone purchase privilege unless you indicate otherwise on your Account
Application or by writing to Pioneering Services Corporation ("PSC"). The
telephone purchase option may be used to purchase additional shares for an
existing Pioneer mutual fund account, assuming the purchase of shares is not
restricted; it may not be used to establish a new account. Proper account
identification will be required for each telephone purchase. A maximum of
$25,000 per account may be purchased by telephone each day. The telephone
purchase privilege is available to IRA accounts but may not be available to
other types of retirement plan accounts. Call PSC for more information.
    

     You are strongly urged to consult with your financial representative prior
to requesting a telephone purchase. To purchase shares by telephone, you must
establish your bank account of record by completing the appropriate section of
your Account Application or an Account Options Form. PSC will electronically
debit the amount of each purchase from this predesignated bank account.
Telephone purchases may not be made for 30 days after the establishment of your
bank of record or any change to your bank information.

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

Class A Shares

     You may buy Class A shares at the public offering price, including a sales
charge, as follows.

                                    Sales Charge as a % of     Dealer
                                    ---------------------     Allowance
                                                   Net        as a % of
                                    Offering      Amount      Offering
         Amount of Purchase           Price      Invested       Price
- ---------------------------------  ----------   ----------   ----------
Less than $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 but less than $1 million     2.00         2.04         1.75
$1 million or more                     -0-          -0-       see below

   
     The schedule of sales charges above is applicable to purchases of Class A
shares of the Fund by (i) an individual, (ii) an individual and his or her
spouse and children under the age of 21 and (iii) a trustee or other fiduciary
of a trust estate or fiduciary account or related trusts or accounts including
pension, profit-sharing and other employee benefit trusts qualified under
Section 401 or 408 of the Internal Revenue Code of 1986, as amended ("the
Code"), although more than one beneficiary is involved. The sales charges
applicable to a current purchase of Class A shares of the Fund by a person
listed above is determined by adding the value of shares to be purchased to the
aggregate value (at the then current offering price) of shares of any of the
other Pioneer mutual funds previously purchased and then owned, provided PFD is
notified by such person or his or her broker-dealer each time a purchase is
made which would qualify. Pioneer mutual funds include all mutual funds for
which PFD serves as principal underwriter. At the sole discretion of PFD,
holdings of funds domiciled outside the U.S., but which are managed by
affiliates of PMC, may be included for this purpose.
    

     No sales charge is payable at the time of purchase on Class A share
investments of $1 million or more subject to a CDSC of 1% which may be imposed
in the event of a redemption of such shares within 12 months of purchase. See
"How to Sell Fund Shares." PFD may, in its discretion, pay a commission to
broker-dealers who initiate and are responsible for such purchases as follows:
1% on the first $5 million invested; 0.50% on the next $45 million; and 0.25%
on the excess over $50 million. These commissions will not be paid if the
purchaser is affiliated with the broker-dealer or if the purchase represents
the reinvestment of a redemption made during the previous 12 calendar months.

   
     In connection with PGI's acquisition of Mutual of Omaha Fund Management
Company and contingent upon the achievement of certain sales objectives, PFD
may pay to Mutual of Omaha Investor Services, Inc. 50% of PFD's retention of
any sales commission on sales of the Fund's Class A shares through such dealer.
From time to time, PFD may elect to reallow the entire initial sales charge to
participating dealers for all Class A sales with respect to which orders are
placed during a particular period. Dealers to whom substantially the entire
sales charge is reallowed may be deemed to be underwriters under the federal
securities laws.
    

                                       7
<PAGE>

   
     Qualifying for a Reduced Sales Charge. Class A shares of the Fund may be
sold at net asset value per share without a sales charge to: (a) current or
former Trustees and officers of the Fund and partners and employees of its
legal counsel; (b) current or former directors, officers, employees or sales
representatives of PGI or its subsidiaries; (c) current or former directors,
officers, employees or sales representatives of any subadviser or predecessor
investment adviser to any investment company for which PMC serves as investment
adviser, and the subsidiaries or affiliates of such persons; (d) current or
former officers, partners, employees or registered representatives of
broker-dealers which have entered into sales agreements with PFD; (e) members
of the immediate families of any of the persons above; (f) any trust,
custodian, pension, profit-sharing or other benefit plan of the foregoing
persons; (g) insurance company separate accounts; (h) certain "wrap accounts"
for the benefit of clients of financial planners adhering to standards
established by PFD; (i) other funds and accounts for which PMC or any of its
affiliates serves as investment adviser or manager; and (j) certain unit
investment trusts. Shares so purchased are purchased for investment purposes
and may not be resold except through redemption or repurchase by or on behalf
of the Fund. The availability of this privilege is conditioned upon the receipt
by PFD of written notification of eligibility. Class A shares of the Fund may
also be sold at net asset value without a sales charge in connection with
certain reorganization, liquidation or acquisition transactions involving other
investment companies or personal holding companies.
    

     Reduced sales charges are available for purchases of $50,000 or more of
Class A shares (excluding any reinvestments of dividends and capital gains
distributions) made within a 13-month period pursuant to a Letter of Intent
("LOI") which may be established by completing the Letter of Intent section of
the Account Application. The reduced sales charge will be the charge that would
be applicable to the purchase of the specified amount of Class A shares as if
the shares had all been purchased at the same time. A purchase not made
pursuant to an LOI may be included if the LOI is submitted to PSC within 90
days of such purchase. You may also obtain the reduced sales charge by
including the value (at current offering price) of all your Class A shares in
the Fund and all other Pioneer mutual funds held of record as of the date of
your LOI in the amount used to determine the applicable sales charge for the
Class A shares to be purchased under the LOI. Five percent of your total
intended purchase amount will be held in escrow by PSC, registered in your
name, until the terms of the LOI are fulfilled.

   
     You are not obligated to purchase the amount specified in your LOI. If,
however, the amount actually purchased during the 13-month period is more or
less than that indicated in your LOI, an adjustment in the sales charge will be
made. If a payment to cover actual sales charges is due, it must be paid to PFD
within 20 days after PFD or your dealer sends you a written request; otherwise
PFD will direct PSC to liquidate sufficient shares from your escrow account to
cover the amount due. See the Statement of Additional Information for more
information.
    

Class B Shares
   
     You may buy Class B shares at the net asset value per share next computed
after receipt of a purchase order without the imposition of an initial sales
charge. However, Class B shares redeemed within six years of purchase will be
subject to a CDSC at the rates shown in the table below. The charge will be
assessed on the amount equal to the lesser of the current market value or the
original purchase cost of the shares being redeemed. No CDSC will be imposed on
increases in account value above the initial purchase price, including shares
derived from the reinvestment of dividends or capital gains distributions.
    

     The amount of the CDSC, if any, will vary depending on the number of years
from the time of purchase until the time of redemption of Class B shares. For
the purpose of determining the number of years from the time of any purchase,
all payments during a quarter will be aggregated and deemed to have been made
on the first day of that quarter. In processing redemptions of Class B shares,
the Fund will first redeem shares not subject to any CDSC, and then shares held
longest during the six-year period. As a result, you will pay the lowest
possible CDSC.

     The CDSC for Class B shares subject to a CDSC upon redemption will be
determined as follows:

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

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

   
     Class B shares will automatically convert into Class A shares at the end
of the calendar quarter that is eight years after the purchase date, except as
noted below. Class B shares acquired through reinvestment of distributions will
convert into Class A shares based on the date of the initial purchase to which
such shares relate. For this purpose, Class B shares acquired through
reinvestment of distributions will be attributed to particular purchases of
Class B shares in accordance with such procedures as the Trustees may determine
from time to time. The conversion of Class B shares to Class A shares is
subject to the availability of a ruling from the Internal Revenue Service (the
"IRS"), or an opinion of counsel that such conversions will not constitute
taxable events for federal tax purposes. There can be no assurance that such
ruling will be available. The conversion of Class B shares to Class A shares
will not occur if such ruling or such an opinion is not available and,
therefore, Class B shares would continue to be subject to higher expenses than
Class A shares for an indeterminate period.
    

     Waiver or Reduction of Contingent Deferred Sales Charge. The CDSC on Class
B shares may be waived or

                                       8
<PAGE>

   
reduced for non-retirement accounts if: (a) the redemption results from the
death of all registered owners of an account (in the case of an UGMA, an UTMA
or a trust account, waiver applies upon the death of all beneficial owners) or
a total and permanent disability (as defined in Section 72 of the Code) of all
registered owners occurring after the purchase of the shares being redeemed or
(b) the redemption is made in connection with limited automatic redemptions as
set forth in "Systematic Withdrawal Plans" (limited in any year to 10% of the
value of the account in the Fund at the time the withdrawal plan is
established).

     The CDSC on Class B shares may be waived or reduced for IRAs if: (a) the
redemption results from the death or a total and permanent disability (as
defined in Section 72 of the Code) occurring after the purchase of the shares
being redeemed; (b) the distribution is part of a series of substantially equal
payments made over the life expectancy of the shareholder or the joint life
expectancy of the shareholder and his or her beneficiary or as scheduled
periodic payments to a shareholder (limited in any year to 10% of the value of
the account at the time the distribution amount is established; a required
minimum distribution due to the shareholder's attainment of age 701/2 may
exceed the 10% limit only if the distribution amount is based on assets held in
Pioneer mutual funds); (c) the distribution is a return of excess employee
contributions; (d) the distribution is to be rolled over to or reinvested in
the same class of shares in a Pioneer mutual fund and which will be subject to
any applicable CDSC upon redemption.
    

     The CDSC on any shares subject to a CDSC may be waived or reduced if the
redemption is made pursuant to the Fund's right to liquidate or involuntarily
redeem shares in a shareholder's account. The CDSC on any shares subject to a
CDSC will not be applicable if the selling broker-dealer elects, with PFD's
approval, to waive receipt of the commission normally paid at the time of the
sale.

   
     Broker-Dealers. An order for either Class of Fund shares received by a
broker-dealer prior to the close of regular trading on the Exchange is
confirmed at the price appropriate for that Class as determined at the close of
regular trading on the Exchange on the day the order is received, provided the
order is received by PFD prior to PFD's close of business (usually, 5:30 p.m.
Eastern time). It is the responsibility of broker-dealers to transmit orders so
that they will be received by PFD prior to its close of business. PFD or its
affiliates may provide additional compensation to certain dealers or such
dealers' affiliates based on certain objective criteria established from time
to time by PFD. All such payments are made out of PFD's or the affiliate's own
assets. These payments will not change the price an investor will pay for
shares or the amount that the Fund will receive from such sale.
    

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

VIII. HOW TO SELL FUND SHARES

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

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

 [bullet] If you are selling shares from a retirement account, other than an
          IRA, you must make your request in writing (except for exchanges to
          other Pioneer mutual funds which can be requested by phone or in
          writing). Call 1-800-622-0176 for more information.

 [bullet] If you are selling shares from a non-retirement account or an IRA, you
          may use any of the methods described below.

   
     Your shares will be sold at the share price next calculated after your
order is received in good order less any applicable CDSC. Sale proceeds
generally will be sent to you by check, bank wire or electronic funds transfer,
normally within seven days after your order is accepted. The Fund reserves the
right to withhold payment of the sale proceeds until checks received by the
Fund in payment for the shares being sold have cleared, which may take up to 15
calendar days from the purchase date.

     In Writing. You may sell your shares by delivering a written request,
signed by all registered owners, in good order to PSC; however, you must use a
written request, including a signature guarantee, to sell your shares if any of
the following applies:
    

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

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

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

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

 [bullet] the sale proceeds are being transferred to a Pioneer mutual fund
          account with a different registration.

     Your request should include your name, the Fund's name, your fund account
number, the Class of shares to be redeemed, the dollar amount or number of
shares to be redeemed, and any other applicable requirements as described
below. Unless instructed otherwise, PSC will send the proceeds of the sale to
the address of record. Fiduciaries and corporations are required to submit
additional documents. For more information, contact PSC at 1-800-225-6292.

   
     Written requests will not be processed until they are received in good
order by PSC. Good order means that there are no outstanding claims or requests
to hold redemptions on the account, and any certificates are endorsed by the
record owner(s) exactly as the shares are registered and the signature(s) are
guaranteed by an eligible guarantor. You should be able to obtain a signature
guarantee from a bank, broker-dealer, credit union (if authorized under state
law), securities exchange or association, clearing agency or savings
association. A notary public cannot provide a signature guarantee. Signature
guarantees are not accepted by fac-
    

                                       9

<PAGE>

simile ("fax"). For additional information about the necessary documentation
for redemption by mail, please contact PSC at 1-800-225-6292.

   
     By Telephone or by Fax. Your account is automatically authorized to have
the telephone redemption privilege unless you indicate otherwise on your
Account Application or by writing to PSC. Proper account identification will be
required for each telephone redemption. The telephone redemption option is not
available to retirement plan accounts, except IRAs. A maximum of $100,000 per
account per day may be redeemed by telephone or fax and the proceeds may be
received by check or by bank wire or electronic funds transfer. To receive the
proceeds by check: the check must be made payable exactly as the account is
registered and the check must be sent to the address of record which must not
have changed in the last 30 days. To receive the proceeds by bank wire or by
electronic funds transfer: the proceeds must be sent to the bank address of
record which must have been properly predesignated either on your Account
Application or on an Account Options Form and which must not have changed in
the last 30 days. To redeem by fax, send your redemption request to
1-800-225-4240. You may always elect to deliver redemption instructions to PSC
by mail. See "Telephone Transactions" below. Telephone and fax redemptions will
be priced as described above. You are strongly urged to consult with your
financial representative prior to requesting a telephone redemption.
    

     Selling Shares Through Your Broker-Dealer. The Fund has authorized PFD to
act as its agent in the repurchase of shares of the Fund from qualified
broker-dealers and reserves the right to terminate this procedure at any time.
Your broker-dealer must receive your request before the close of business on
the Exchange and transmit it to PFD before PFD's close of business to receive
that day's redemption price. Your broker-dealer is responsible for providing
all necessary documentation to PFD and may charge you for its services.

     Small Accounts. The minimum account value is $500. If you hold shares of
the Fund in an account with a net asset value of less than the minimum required
amount due to redemptions or exchanges, the Fund may redeem the shares held in
this account at net asset value if you have not increased the net asset value
of the account to at least the minimum required amount within six months of
notice by the Fund to you of the Fund's intention to redeem the shares.

     CDSC on Class A Shares. Purchases of Class A shares of $1 million or more
which were not subject to an initial sales charge, may be subject to a CDSC
upon redemption. A CDSC is payable to PFD on these investments in the event of
a share redemption within 12 months following the share purchase, at the rate
of 1% of the lesser of the value of the shares redeemed (exclusive of
reinvested dividend and capital gain distributions) or the total cost of such
shares. Shares subject to the CDSC which are exchanged into another Pioneer
mutual fund will continue to be subject to the CDSC until the original 12-month
period expires.

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

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


IX. HOW TO EXCHANGE FUND SHARES

     At this time, you may not open a new account in the Fund or purchase
shares of the Fund by exchanging shares from any other Pioneer mutual fund that
you already own. You may, however, exchange shares of the Fund for shares of
other Pioneer mutual funds. Such shares may not be exchanged back to this Fund.
Exchanges must be at least $1,000.

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

   
     Telephone Exchanges. Your account is automatically authorized to have the
telephone exchange privilege unless you indicate otherwise on your Account
Application or by writing to PSC. Proper account identification will be
required for each telephone exchange. Telephone exchanges may not exceed
$500,000 per account per day. Each telephone exchange request, whether by voice
or by FactFoneSM, will be recorded. You are strongly urged to consult with your
financial representative prior to requesting a telephone exchange. See
"Telephone Transactions" below.
    

     Automatic Exchanges. You may automatically exchange shares from the Fund
for shares of the same Class in another Pioneer mutual fund account on a
monthly or quarterly basis. The accounts must have identical registrations and
the originating account must have a minimum balance of $5,000. The exchange
will be effective on the day of the month designated on your Account
Application or Account Options Form.

     General. You may exchange your shares of the Fund at net asset value,
without a sales charge, for shares of the same Class of any other Pioneer
mutual fund. Not all Pioneer mutual funds offer more than one Class of shares.
A new Pioneer mutual fund account opened through an exchange must have a
registration identical to that on the original account. Shares which would
normally be subject to a CDSC upon redemption will not be charged the
applicable CDSC at the time of an exchange; the applicable CDSC will carry over
to the shares purchased by exchange.

   
     Exchange requests received by PSC before 4:00 p.m. Eastern time will be
effective on that day if the requirements above have been met, otherwise, they
will be effective on the next business day. PSC will process exchanges only
after
    

                                       10

<PAGE>

receiving an exchange request in good order. There are currently no fees or
sales charges imposed at the time of an exchange. An exchange of shares may be
made only in states where legally permitted. For federal and (generally) state
income tax purposes, an exchange is considered to be a sale of the shares of
the Fund exchanged and a purchase of shares in another Pioneer mutual fund.
Therefore, an exchange could result in a gain or loss on the shares sold,
depending on the tax basis of these shares and the timing of the transaction,
and special tax rules may apply.

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


X. DISTRIBUTION PLANS

     The Fund has adopted a Plan of Distribution for both Class A shares
("Class A Plan") and Class B shares ("Class B Plan") in accordance with Rule
12b-1 under the 1940 Act pursuant to which certain distribution and service
fees are paid. Expenditures of the Fund for continuing service fees to
broker-dealers pursuant to the Class A Plan are accrued daily; other expenses
pursuant to the Class A Plan will be paid as accrued.

     Pursuant to the Class A Plan, the Fund reimburses PFD for its actual
expenditures to finance any activity primarily intended to result in the sale
of Class A shares or to provide services to holders of Class A shares, provided
the categories of expenses for which reimbursement is made are approved by the
Fund's Board of Trustees. As of the date of this Prospectus, the Board of
Trustees has approved the following categories of expenses for Class A shares
of the Fund: (i) a service fee to be paid to qualified broker-dealers in an
amount not to exceed 0.25% per annum of the Fund's daily net assets
attributable to Class A shares; (ii) reimbursement to PFD for its expenditures
for broker-dealer commissions and employee compensation on certain sales of the
Fund's Class A shares with no initial sales charge (See "How to Buy Fund
Shares"); and (iii) reimbursement to PFD for expenses incurred in providing
services to Class A shareholders and supporting broker-dealers and other
organizations (such as banks and trust companies) in their efforts to provide
such services. Banks are currently prohibited under the Glass-Steagall Act from
providing certain underwriting or distribution services. If a bank was
prohibited from acting in any capacity or providing any of the described
services, management would consider what action, if any, would be appropriate.

     Expenditures of the Fund pursuant to the Class A Plan are accrued daily
and may not exceed 0.25% of the Fund's average daily net assets attributable to
Class A shares. Distribution expenses of PFD are expected to substantially
exceed the distribution fees paid by the Fund in a given year. The Class A Plan
does not provide for the carryover of reimbursable expenses beyond 12 months
from the time the Fund is first invoiced for an expense. In the event of
termination or non-continuance of the Class A Plan, the Fund has 12 months to
reimburse any expense which it incurs prior to such event, provided that
payments by the Fund during such 12-month period shall not exceed 0.25% of the
Fund's average daily net assets during such period. The Class A Plan may not be
amended to increase materially the annual percentage limitation of average net
assets which may be spent for the services described therein without approval
of the shareholders of the Fund.

     The Class B Plan provides that the Fund compensates PFD through the
payment of a distribution fee at the annual rate of 0.75% of the Fund's average
daily net assets attributable to Class B shares and a service fee at the annual
rate of 0.25% of the Fund's average daily net assets attributable to Class B
shares. The distribution fee is intended to compensate PFD for its distribution
services to the Fund. The service fee is intended to be additional compensation
for personal services and/or account maintenance services with respect to Class
B shares. PFD also receives the proceeds of any CDSC imposed on the redemption
of Class B shares.

   
     Commissions of 4%, equal to 3.75% of the amount invested and a first
year's service fee equal to 0.25% of the amount invested in Class B shares, are
paid to broker-dealers who have sales agreements with PFD. PFD may advance to
dealers the first year service fee at a rate up to 0.25% of the purchase price
of such shares and, as compensation therefore, PFD may retain the service fee
paid by the Fund with respect to such shares for the first year after purchase.
Dealers will become eligible for additional service fees with respect to such
shares commencing in the 13th month following the purchase.
    

     When a broker-dealer sells Class B shares and elects, with PFD's approval,
to waive its right to receive the commission normally paid at the time of sale,
PFD may cause all or a portion of the distribution fees described above to be
paid to the broker-dealer.

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


XI. DIVIDENDS, DISTRIBUTIONS AND TAXATION

   
     The Fund has elected to be treated, 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 federal income tax on income
and capital gains distributed to shareholders as required under the Code.

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

                                       11

<PAGE>

income and capital gains if it fails to meet certain distribution requirements
with respect to each calendar year. The Fund intends to make distributions in a
timely manner and accordingly does not expect to be subject to the excise tax.

   
     The Fund's policy is to pay to shareholders dividends from net investment
income, if any, and to make distributions from net long-term capital gains, if
any, usually in December. Distributions from net short-term capital gains, if
any, may be paid with such dividends; dividends from income and/or capital
gains may also be paid at such other times as may be necessary for the Fund to
avoid federal income or excise tax. Generally, dividends from the Fund's net
investment income, market discount income, net short-term capital gains, and
certain net foreign exchange gains are taxable under the Code as ordinary
income, and dividends from the Fund's net long-term capital gains are taxable
as long-term capital gains. The Fund's distributions of long-term capital gains
to individuals or other noncorporate taxpayers are subject to different maximum
tax rates (which will be indicated in the annual tax information the Fund
provides to shareholders), depending generally upon the sources of, and the
Fund's holding period for the assets that produce, the gains.

     Unless shareholders specify otherwise, all distributions will be
automatically reinvested in additional full and fractional shares of the Fund.
For federal income tax purposes, all dividends are taxable as described above
whether a shareholder takes them in cash or reinvests them in additional shares
of the Fund. Information as to the federal tax status of dividends and
distributions will be provided to shareholders annually. For further
information on the distribution options available to shareholders, see
"Distribution Options" below.
    

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

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

     The description above relates only to U.S. federal income tax consequences
for shareholders who are U.S. persons, i.e., U.S. citizens or residents or U.S.
corporations, partnerships, trusts or estates, and who are subject to U.S.
federal income tax. Non-U.S. shareholders and tax-exempt shareholders are
subject to a tax treatment different than that described above. Shareholders
should consult their own tax advisers regarding state, local and other
applicable tax laws, including the effect of recent federal tax legislation, in
their particular circumstances.
    

XII. SHAREHOLDER SERVICES
   
     PSC is the shareholder services and transfer agent for shares of the Fund.
PSC, a Massachusetts corporation, is a wholly owned subsidiary of PGI. PSC's
offices are located at 60 State Street, Boston, Massachusetts 02109, and
inquiries to PSC should be mailed to Shareholder Services, Pioneering Services
Corporation, P.O. Box 9014, Boston, Massachusetts 02205-9014. Brown Brothers
Harriman & Co. (the "Custodian") serves as custodian of the Fund's portfolio
securities and other assets. The principal business address of the mutual fund
division of the Custodian is 40 Water Street, Boston, Massachusetts 02109.
    

Account and Confirmation Statements
   
     PSC maintains an account for each shareholder and all transactions of the
shareholder are recorded in this account. Confirmation statements showing the
details of transactions are sent to shareholders as transactions occur. The
Pioneer Combined Account Statement, mailed quarterly, is available to
shareholders who have more than one Pioneer mutual fund account.

     Shareholders whose shares are held in the name of an investment
broker-dealer or other party will not normally have an account with the Fund
and might not be able to utilize some of the services available to shareholders
of record. Examples of services which might not be available are purchases,
exchanges or redemptions of shares by mail or telephone, automatic reinvestment
of dividends and capital gains distributions, withdrawal plans and newsletters.
    

Additional Investments

     You may add to your account, unless the Fund is closed to new investments,
by sending a check (minimum of $1,000) to PSC (account number and Class of
shares should be clearly indicated). The bottom portion of a confirmation
statement may be used as a remittance slip to make additional investments.

     Additions to your account are invested in full and fractional shares of
the Fund at the applicable offering price in effect as of the close of regular
trading on the Exchange on the day of receipt.

Financial Reports and Tax Information

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

Distribution Options

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

     If you elect to receive either dividends or capital gains or both in cash
and a distribution check issued to you is returned by the U.S. Postal Service
as not deliverable or a distribution check


                                       12
<PAGE>

remains uncashed for six months or more, the amount of the check may be
reinvested in your account. Such additional shares will be purchased at the
then current net asset value. Furthermore, the distribution option on the
account will automatically be changed to the reinvestment option until such
time as you request a different option by writing to PSC.

Direct Deposit

     If you have elected to take distributions, whether dividends or dividends
and capital gains, in cash, or have established a Systematic Withdrawal Plan,
you may choose to have those cash payments deposited directly into your
savings, checking or NOW bank account. You may establish this service by
completing the appropriate section on the Account Application when opening a
new account or the Account Options Form for an existing account.

Voluntary Tax Withholding

     You may request (in writing) that PSC withhold 28% of the dividends and
capital gains distributions paid from your account (before any reinvestment)
and forward the amount withheld to the IRS as a credit against your federal
income taxes. This option is not available for retirement plan accounts or for
accounts subject to backup withholding.
   
Telephone Transactions
    
     Your account is automatically authorized to have telephone transaction
privileges unless you indicate otherwise on your Account Application or by
writing to PSC. You may purchase, sell or exchange Fund shares by telephone.
For personal assistance, call 1-800-225-6292 between 8:00 a.m. and 9:00 p.m.
Eastern time on weekdays. See "How to Buy Fund Shares," "How to Sell Fund
Shares" and "How to Exchange Fund Shares" for more information.
Computer-assisted transactions are available to shareholders who have
pre-recorded certain bank information (see "FactFone(SM)"). You are strongly
urged to consult with your financial representative prior to requesting any
telephone transaction.
   
     To confirm that each transaction instruction received by telephone is
genuine, PSC will record each telephone transaction, require the caller to
provide the personal identification number ("PIN") for the account and send you
a written confirmation of each telephone transaction. Different procedures may
apply to accounts that are registered to non-U.S. citizens or that are held in
the name of an institution or in the name of an investment broker-dealer or
other third party. If reasonable procedures, such as those described above, are
not followed, the Fund may be liable for any loss due to unauthorized or
fraudulent instructions. The Fund may implement other procedures from time to
time. In all other cases, neither the Fund, PSC or PFD will be responsible for
the authenticity of instructions received by telephone; therefore, you bear the
risk of loss for unauthorized or fraudulent telephone transactions.
    
     During times of economic turmoil or market volatility or as a result of
severe weather or a natural disaster, it may be difficult to contact the Fund
by telephone to institute a redemption or exchange. You should communicate with
the Fund in writing if you are unable to reach the Fund by telephone.

FactFone(SM)
   
     FactFone(SM) is an automated inquiry and telephone transaction system
available to Pioneer mutual fund shareholders by dialing 1-800-225-4321.
FactFone(SM) allows you to obtain current information on your Pioneer mutual 
fund accounts and to inquire about the prices and yields of all publicly 
available Pioneer mutual funds. In addition, you may use FactFone(SM) to make
computer-assisted telephone purchases, exchanges and redemptions from your
Pioneer mutual fund accounts if you have activated your PIN. Telephone
purchases and redemptions require the establishment of a bank account of
record. You are strongly urged to consult with your financial representative
prior to requesting any telephone transaction. Shareholders whose accounts are
registered in the name of a broker-dealer or other third party may not be able
to use FactFone(SM). See "How to Buy Fund Shares," "How to Sell Fund Shares,"
"How to Exchange Fund Shares" and "Telephone Transactions." Call PSC for
assistance.
    

Retirement Plans
   
     Rollover and contributory IRA accounts may invest in the Fund. The minimum
initial investment for IRA accounts is $2,000. Retirement plans that must make
periodic investments may not invest in the Fund because periodic investments
will not be allowed after management closes the Fund to new investments (see
"How to Buy Fund Shares--Special Restrictions").

     You should contact the Retirement Plans Department of PSC at
1-800-622-0176 for information relating to tax-deferred retirement plans for
individuals, businesses and tax-exempt organizations. The Account Application
accompanying this Prospectus should not be used to establish an IRA account. A
separate application is required.
    

Telecommunications Device for the Deaf (TDD)

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

Systematic Withdrawal Plans

     If your account has a total value of at least $10,000 you may establish a
Systematic Withdrawal Plan ("SWP") providing for fixed payments at regular
intervals. Withdrawals from Class B share accounts are limited to 10% of the
value of the account at the time the SWP is implemented. See "Waiver or
Reduction of Contingent Deferred Sales Charge" for more information. Periodic
payments of $50 or more will be sent to you, or any person designated by you,
monthly or quarterly, and your periodic redemptions of shares may be taxable to
you. Payments can be made either by check or electronic transfer to a bank
account designated by you. If you direct that withdrawal checks be paid to
another person after you have opened your account, a signature guarantee must
accompany your instructions. Purchases of Class A shares of the Fund at a time
when you have a SWP in effect may result in the payment of unnecessary sales
charges and may therefore be disadvantageous. You may obtain additional
information by calling PSC at 1-800-225-6292 or by referring to the Statement
of Additional Information.

     The options and services available to shareholders, including the terms of
the Exchange Privilege, may be revised, suspended or terminated at any time by
PFD or by

                                       13

<PAGE>

the Fund. You may establish the services described in this section when you
open your account. You may also establish or revise many of them on an existing
account by completing an Account Options Form, which you may request by calling
1-800-225-6292.


XIII. THE FUND
   
     The Fund is a diversified open-end management investment company (commonly
referred to as a mutual fund) organized as a Delaware business trust on
December 3, 1996. The Fund has authorized an unlimited number of shares of
beneficial interest. As an open-end management investment company, the Fund
continuously offers its shares, subject to the restrictions described above, to
the public and under normal conditions must redeem its shares upon the demand
of any shareholder at the then current net asset value per share less any
applicable CDSC. See "How to Sell Fund Shares." The Fund is not required, and
does not intend, to hold annual shareholder meetings although special meetings
may be called for the purpose of electing or removing Trustees, changing
fundamental investment restrictions or approving a management contract.
    

     The Fund reserves the right to create and issue additional series of
shares. The Trustees have the authority, without further shareholder approval,
to classify and reclassify the shares of the Fund, or any additional series of
the Fund, into one or more classes. As of the date of this Prospectus, the
Trustees have authorized the issuance of two classes of shares, designated
Class A and Class B. The shares of each class represent an interest in the same
portfolio of investments of the Fund. Each class has equal rights as to voting,
redemption, dividends and liquidation, except that each class bears different
distribution and transfer agent fees and may bear other expenses properly
attributable to the particular class. Class A and Class B shareholders have
exclusive voting rights with respect to the Rule 12b-1 distribution plans
adopted by holders of those shares in connection with the distribution of
shares.

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

   
     When issued and paid for in accordance with the terms of the Prospectus
and Statement of Additional Information, shares of the Fund are fully-paid and
non-assessable. Shares will remain on deposit with the Fund's transfer agent
and certificates will not normally be issued. The Fund reserves the right to
charge a fee for the issuance of Class A share certificates; certificates will
not be issued for Class B shares.
    

XIV. INVESTMENT RESULTS
   
     The average annual total return (for a designated period of time) on an
investment in the Fund may be included in advertisements, and furnished to
existing or prospective shareholders. The average annual total return for each
Class is computed in accordance with the SEC's standardized formula. The
calculation for each Class assumes the reinvestment of all dividends and
distributions at net asset value and does not reflect the impact of federal or
state income taxes. In addition, for Class A shares the calculation assumes the
deduction of the maximum sales charge of 5.75%; for Class B shares the
calculation reflects the deduction of any applicable CDSC. The periods
illustrated would normally include one, five and ten years (or since the
commencement of the public offering of the shares of a Class, if shorter)
through the most recent calendar quarter.
    

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

     Other investments or savings vehicles and/or unmanaged market indices,
indicators of economic activity or averages of mutual fund results may be cited
or compared with the investment results of the Fund. Rankings or listings by
magazines, newspapers or independent statistical or rating services, such as
Lipper Analytical Services, Inc., may also be referenced.

     The Fund's investment results will vary from time to time depending on
market conditions, the composition of the Fund's portfolio and operating
expenses of the Fund. All quoted investment results are historical and should
not be considered representative of what an investment in the Fund may earn in
any future period. For further information about the calculation methods and
uses of the Fund's investment results, see the Statement of Additional
Information.

APPENDIX--CERTAIN INVESTMENT PRACTICES

     This Appendix provides a brief description of certain investment
techniques that the Fund may employ. For a more complete discussion of these
and other practices, see "Investment Policies and Restrictions" in the
Statement of Additional Information.

Real Estate Investment Trusts and Associated Risk Factors

     REITs are pooled investment vehicles which invest primarily in income
producing real estate or real estate related loans or interests. REITs are
generally classified as equity REITs, mortgage REITs or a combination of equity
and mortgage 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 derive income from the collection of interest
payments.

                                       14

<PAGE>

   
     Investing in REITs involves certain unique risks in addition to those
risks associated with investing in the real estate industry in general. Equity
REITs may be affected by changes in the value of the underlying property owned
by the REITs, while mortgage REITs may be affected by the quality of any credit
extended. REITs are dependent upon management skills, are not diversified, and
are subject to the risks of financing projects. REITs are subject to heavy cash
flow dependency, default by borrowers, self-liquidation, and the possibilities
of failing to qualify for the exemption from tax for distributed income under
the Code and failing to maintain their exemptions from the 1940 Act.
    

     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.

     Investing in REITs involves risks similar to those associated with
investing in small capitalization companies. Historically, REITs, like small
capitalization stocks, have been more volatile in price than the larger
capitalization stocks included in the Standard & Poor's Index of 500 Common
Stocks.

Options on Securities and Securities Indices

     The Fund may purchase put and call options on securities in which the Fund
may invest and securities indices that are based on securities in which it may
invest to manage cash flow and to manage its exposure to stocks or stock
markets instead of, or in addition to, buying and selling stock. The Fund may
also purchase options in order to hedge against risks of market-wide price
fluctuations.

     The Fund may purchase put options in order to hedge against an anticipated
decline in securities prices that might adversely affect the value of the
Fund's portfolio securities. If the Fund purchases a put option on a security
or securities index, the amount of the payment it would receive upon exercising
the option would depend on the extent of any decline in the value of the
security or the securities index below the exercise price. Such payments would
tend to offset a decline in the value of the Fund's portfolio securities.
However, if the value of the security or securities index increases and remains
above the exercise price while the put option is outstanding, the Fund will not
be able to profitably exercise the option and will lose the amount of the
premium and any transaction costs. Such loss may be partially offset by an
increase in the value of the Fund's portfolio securities.

     The Fund may purchase call options on securities and securities indices in
order to remain fully invested in a particular stock market or to lock in a
favorable price on securities that it intends to buy in the future. If the Fund
purchases a call option on a security or securities index, the amount of the
payment it receives upon exercising the option depends on the extent of an
increase in the value of the security or securities index above the exercise
price. Such payments would in effect allow the Fund to benefit from securities
market appreciation even though it may not have had sufficient cash to purchase
the underlying securities. Such payments may also offset increases in the price
of securities that the Fund intends to purchase. If, however, the value of the
security or securities index declines and remains below the exercise price
while the call option is outstanding, the Fund will not be able to exercise the
option profitably and will lose the amount of the premium and transaction
costs. Such loss may be partially offset by a reduction in the price the Fund
pays to buy additional securities for its portfolio.

     The Fund may sell an option it has purchased or a similar option prior to
the expiration of the purchased option in order to close out its position in an
option which it has purchased. The Fund may also allow options to expire
unexercised, which would result in the loss of the premium paid.

Futures Contracts and Options on Futures Contracts

     To hedge against changes in securities prices, the Fund may purchase and
sell various kinds of futures contracts, and purchase and write call and put
options on any of such futures contracts. When the Fund enters into a futures
contract, it agrees to purchase or sell the underlying security at a given
price on a specified future date. When the Fund enters into an option on a
futures contract, it has the right--but not the obligation--to purchase or sell
the related futures contract at a given price on a specified future date. The
Fund may also enter into closing purchase and sale transactions with respect to
any of such contracts and options. The futures contracts may be based on
various securities indices. The Fund will engage in futures and related options
transactions for hedging purposes only. These transactions involve brokerage
costs and require margin deposits.

Limitations and Risks Associated with Transactions in Options and Futures
Contracts

     Transactions involving options on securities and securities indices,
futures contracts and options on futures involve: (1) liquidity risk that
contractual positions cannot be easily closed out in the event of market
changes or generally in the absence of a liquid secondary market, (2)
correlation risk that changes in the value of hedging positions may not match
the securities market intended to be hedged and (3) market risk that an
incorrect prediction of securities prices by the Fund's investment adviser may
cause the Fund to perform less favorably than if such positions had not been
entered. The Fund will purchase and sell options that are traded only in a
regulated market which is open to the public. Options and futures contracts are
highly specialized activities which involve investment techniques and risks
that are different from those associated with ordinary portfolio transactions.
The Fund may not enter into futures contracts and options on futures contracts
for speculative purposes. All of the Fund's assets may be subject to futures
contracts and options on such contracts entered into for bona fide hedging
purposes. The loss that may be incurred by the Fund in entering into future
contracts and written options thereon is potentially unlimited. The Fund may
not invest more than 5% of its total assets in financial instruments that are
used for non-hedging purposes.

     The Fund's transactions in options, futures contracts and options on
futures contracts may be limited by the requirements for qualification of the
Fund as a regulated investment company for tax purposes. See "Tax Status" in
the Statement of Additional Information.

                                       15

<PAGE>

                                                                  [PIONEER LOGO]

Pioneer 
Micro-Cap Fund
60 State Street
Boston, Massachusetts 02109

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

INVESTMENT ADVISER
PIONEERING MANAGEMENT CORPORATION

CUSTODIAN
BROWN BROTHERS HARRIMAN & CO.

INDEPENDENT PUBLIC ACCOUNTANTS
ARTHUR ANDERSEN LLP

LEGAL COUNSEL
HALE AND DORR LLP

PRINCIPAL UNDERWRITER
PIONEER FUNDS DISTRIBUTOR, INC.


   
0398-4970
    
[Copyright] Pioneer Funds Distributor, Inc.


SHAREHOLDER SERVICES AND TRANSFER AGENT

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


SERVICES INFORMATION

If you would like information on the following, please call:
Existing and new accounts, prospectuses,
 applications, service forms and
 telephone transactions........................................ 1-800-225-6292
FactFone(SM)
 Automated fund yields and prices,
 account information........................................... 1-800-225-4321
Retirement plans............................................... 1-800-622-0176
Toll-free fax.................................................. 1-800-225-4240
Telecommunications Device for the Deaf (TDD)................... 1-800-225-1997
   
Visit our website:....................................... www.pioneerfunds.com
    


<PAGE>
                                     PART B

                             PIONEER MICRO-CAP FUND

                      STATEMENT OF ADDITIONAL INFORMATION


<PAGE>
                             PIONEER MICRO-CAP FUND
                                 60 State Street
                           Boston, Massachusetts 02109

                       STATEMENT OF ADDITIONAL INFORMATION

                           CLASS A AND CLASS B SHARES

   
                                 March 30, 1998

This  Statement of  Additional  Information  is not a Prospectus , but should be
read in conjunction with the Prospectus,  dated March 30, 1998 (the "Prospectus)
of the Pioneer Micro-Cap Fund (the "Fund"),  as amended and/or supplemented from
time to TIME. A copy of the Prospectus can be obtained free of charge by calling
Shareholder  Services at  1-800-225-6292 or by written request to the Fund at 60
State  Street,  Boston,  Massachusetts  02109.  The most recent Annual Report to
Shareholders  is attached to this  Statement of  Additional  Information  and is
hereby incorporated in this Statement of Additional Information by reference.


                                TABLE OF CONTENTS
                                                                               
                                                                        PAGE

 1. Investment Policies and Restrictions..........................        2
 2. Management of the Fund........................................        9
 3. Investment Adviser............................................       13
 4. Underwriting Agreement and Distribution Plans.................       14
 5. Shareholder Servicing/Transfer Agent..........................       16
 6. Custodian.....................................................       16
 7. Principal Underwriter.........................................       16
 8. Independent Public Accountants................................       17
 9. Portfolio Transactions........................................       17
10. Tax Status....................................................       18
11. Description of Shares.........................................       21
12. Certain Liabilities...........................................       21
13. Letter of Intent..............................................       22
14. Systematic Withdrawal Plan....................................       23
15. Determination of Net Asset Value..............................       23
16. Investment Results............................................       24
17. Financial Statements..........................................       26
    
         Appendix A - Description of Short-Term Debt and 
             Corporate Bond Ratings...............................       27
         Appendix B - Performance Statistics......................       38
         Appendix C - Other Pioneer Information...................       46

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


<PAGE>



1. INVESTMENT POLICIES AND RESTRICTIONS

The Prospectus  presents the investment  objective and the principal  investment
policies of the Fund.  Additional  investment policies and a further description
of some of the policies described in the Prospectus appear below. This Statement
of Additional  Information  should be read in conjunction  with the  Prospectus.
Capitalized terms not otherwise defined herein have the meaning given to them in
the Prospectus.

The  following  policies  and  restrictions  supplement  those  discussed in the
Prospectus.  Whenever  an  investment  policy  or  restriction  states a maximum
percentage of the Fund's assets that may be invested in any security or presents
a policy regarding quality standards,  this standard or other restrictions shall
be  determined  immediately  after  and as a result  of the  Fund's  investment.
Accordingly,  any later increase or decrease  resulting from a change in values,
net assets or other  circumstances will not be considered in determining whether
the investment complies with the Fund's investment objective and policies.

LENDING OF PORTFOLIO SECURITIES

   
The Fund may lend  portfolio  securities  to member firms of the Exchange  under
agreements  which  would  require  that the  loans be  secured  continuously  by
collateral in cash,  cash  equivalents or U.S.  Treasury  bills  maintained on a
current basis at an amount at least equal to the market value of the  securities
loaned.  The Fund would  continue to receive the  equivalent  of the interest or
dividends paid by the issuer on the securities  loaned as well as the benefit of
an increase in the market value of the securities  loaned and would also receive
compensation based on investment of the collateral. The Fund would not, however,
have the right to vote any securities  having voting rights during the existence
of the loan, but would call the loan in  anticipation of an important vote to be
taken among holders of the securities or of the giving or withholding of consent
on a material matter affecting the investment.
    

As with other  extensions of credit there are risks of delay in recovery or even
loss of rights in the  collateral  should the  borrower of the  securities  fail
financially.  The Fund will lend portfolio  securities  only to firms which have
been  approved  in advance by the Board of  Trustees,  which  will  monitor  the
creditworthiness of any such firms. At no time would the value of the securities
loaned exceed 30% of the value of the Fund's total assets.

   
LOWER-RATED DEBT SECURITIES AND ASSOCIATED RISKS

         As  described  in the  Prospectus,  the  Fund  may  make a  variety  of
investments,  including  corporate debt  obligations  of companies  which may be
unrated or rated in the lowest rating  categories  by Standard & Poor's  Ratings
Group ("Standard & Poor's") or by Moody's Investor  Services,  Inc.  ("Moody's")
(i.e.,  ratings of BB or lower by Standard & Poor's or Ba or lower by  Moody's).
Bonds rated BB or Ba or below (or comparable  unrated  securities)  are commonly
referred  to  as  "junk  bonds"  and  are  considered  speculative  and  may  be
questionable as to principal and interest  payments.  In some cases,  such bonds
may be highly speculative,  have poor prospects for reaching investment standing
and be in default.  As a result,  investment  in such bonds will entail  greater
speculative  risks than those  associated  with  investment in  investment-grade
bonds (i.e.,  bonds rated BBB or better by Standard & Poor's or Baa or better by
Moody's).  The Fund will limit its investment in non-investment  grade corporate
debt obligations,  and comparable  unrated debt obligations,  to less than 5% of
its net  assets.  See  Appendix A for a  description  of the  ratings  issued by
investment rating services.

         The amount of junk bond  securities  outstanding  has  proliferated  in
conjunction  with the increase in merger and  acquisition  and leveraged  buyout
activity.  An  economic  downturn  could  severely  affect the ability of highly
leveraged   issuers  to  service  their  debt  obligations  or  to  repay  their
obligations upon maturity.  Factors having an adverse impact on the market value
of lower rated  securities  will have an adverse  effect on the Fund's net asset
value to the extent 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.

         The secondary market for junk bond securities, which is concentrated in
relatively few market makers,  may not be 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,  the secondary
market for junk bond  securities  could  contract  further,  independent  of any
specific adverse changes in the condition of a particular  issuer.  As a result,
Pioneering Management  Corporation ("PMC"), the Fund's investment adviser, 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 circumstances,  may be less than the prices used in calculating the Fund's
net asset value.

         Proposed  federal  laws  designed  to limit  the use,  or tax and other
advantages,  of junk bond securities could adversely affect the Fund's net asset
value to the extent that the Fund invests in lower-rated debt  securities.  Such
proposals  could  also  adversely  affect  the  secondary  market  for junk bond
securities, the financial condition of issuers of these securities and the value
of outstanding junk bond securities.

         Since  investors  generally  perceive  that  there  are  greater  risks
associated  with the medium to lower rated  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  fixed-income   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 fixed-income securities market
resulting in greater yield and price volatility.

         Another factor which causes  fluctuations in the prices of fixed-income
securities is the supply and demand for similarly rated securities. In addition,
the prices of fixed-income securities fluctuate in response to the general level
of interest rates. Fluctuations in the prices of portfolio securities subsequent
to their  acquisition  will not affect cash income from such securities but will
be reflected in the Fund's net asset value.

Medium to lower rated and  comparable  unrated  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.  Since medium to lower rated securities
generally  involve  greater  risks of loss of income and  principal  than higher
rated  securities,  investors  should  consider  carefully  the  relative  risks
associated with investment in securities which carry medium to lower ratings and
in comparable unrated securities.  In addition to the risk of default, there are
the related  costs of recovery on defaulted  issues.  PMC will attempt to reduce
these risks through  diversification  of the Fund's portfolio and by analysis of
each issuer and its ability to make timely payments of income and principal,  as
well as broad economic trends in corporate developments.
    

RISK FACTORS ASSOCIATED WITH THE REAL ESTATE INDUSTRY

Although the Fund does not invest directly in real estate, it may invest in real
estate  equity  securities.  To the extent that the Fund  invests in real estate
equity  securities,  an  investment  in the Fund may be subject to certain risks
generally  associated with the direct ownership of real estate and with the real
estate industry in general.

These  risks  include,  among  others:  possible  declines  in the value of real
estate; risks related to general and local economic conditions; possible lack of
availability of mortgage funds; overbuilding;  extended vacancies of properties;
increases in  competition,  property  taxes and operating  expenses;  changes in
zoning  laws;  costs  resulting  from the  clean-up  of, and  liability to third
parties  for  damages  resulting  from,  environmental  problems;   casualty  or
condemnation losses; uninsured damages from floods, earthquakes or other natural
disasters;  limitations  on and  variations  in rents;  and  changes in interest
rates.  Investments  by the Fund in securities of companies  providing  mortgage
servicing may be subject to the risks  associated  with  refinancings  and their
impact on servicing rights. REAL ESTATE INVESTMENT TRUSTS

The Fund may invest in shares of REITs as described in the Prospectus. REITs are
pooled  investment  vehicles  which invest  primarily in income  producing  real
estate or real estate related loans or interests. REITs are generally classified
as equity REITs,  mortgage REITs or a combination of equity and mortgage  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
derive  income  from  the  collection  of  interest  payments.  Like  investment
companies  such as the  Fund,  REITs  are not  taxed on  income  distributed  to
shareholders  provided they comply with several  requirements  of the Code.  The
Fund will indirectly bear its proportionate  share of any expenses paid by REITs
in which it invests in addition to the expenses paid by the Fund.

   
Investing  in REITs  involves  certain  unique  risks in addition to those risks
associated with investing in the real estate  industry in general.  Equity REITs
may be affected by changes in the value of the underlying  property owned by the
REITs,  while  mortgage  REITs may be  affected  by the  quality  of any  credit
extended.  REITs are dependent upon management skills, are not diversified,  and
are subject to the risks of financing projects.  REITs are subject to heavy cash
flow dependency, default by borrowers,  self-liquidation,  and the possibilities
of failing to qualify for the exemption  from tax for  distributed  income under
the Code and failing to maintain their exemptions from the 1940 Act. REITs whose
underlying  assets include  long-term health care  properties,  such as nursing,
retirement  and assisted  living homes,  may be impacted by federal  regulations
concerning the health care 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.  In contrast,  as interest rates on adjustable  rate mortgage loans are
reset periodically,  yields on a REIT's investments in such loans will gradually
align themselves to reflect changes in market interest rates,  causing the value
of such investments to fluctuate less  dramatically in response to interest rate
fluctuations than would investments in fixed rate obligations.

   
Investing in REITs involves risks similar to those  associated with investing in
small capitalization companies.  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,  small
capitalization  stocks, such as REITs, have been more volatile in price than the
larger capitalization stocks included in the S&P 500.
    

INVESTMENT IN FOREIGN SECURITIES

   
The Fund may invest up to 5% of its net assets in securities of foreign issuers,
provided  that  purchases  of  Canadian   securities  are  not  subject  to  the
limitations in this paragraph.  Such investments involve certain risks which are
not typically associated with investing in securities of U.S. companies. Foreign
companies  are  not  subject  to  uniform  accounting,  auditing  and  financial
standards and  requirements  comparable to those  applicable to U.S.  companies.
There  may  also  be less  government  supervision  and  regulation  of  foreign
securities  exchanges,  brokers and listed  companies  than exists in the United
States.  Interest and dividends,  or in some cases capital  gains,  from foreign
investments  may be subject to  withholding  or other  foreign  taxes which will
decrease the net return on such  investments as compared to the income or return
of the Fund from investments issued by the U.S. government or by U.S. companies.

In addition,  the value of  securities  denominated  or quoted in  international
currencies may also be adversely  affected by fluctuations in the relative rates
of exchange  between the  currencies of different  nations and exchange  control
regulations. To the extent that the Fund has invested in foreign securities, the
Fund's investment performance may be affected,  either positively or negatively,
by  currency  exchange  rates  because  the  U.S.  dollar  value  of  securities
denominated or quoted in another  currency will increase or decrease in response
to changes in the value of such currency in relation to the U.S.  dollar.  There
may be less publicly  available  information about foreign companies compared to
reports and ratings published about U.S.  companies.  Foreign securities markets
have  substantially less trading volume than U.S. markets and securities of some
foreign  companies  are  less  liquid  and  more  volatile  than  securities  of
comparable U.S. companies. Transaction costs on foreign securities exchanges are
generally higher than in the United States.
    

In  addition,  there  may  be the  possibility  of  expropriation,  confiscatory
taxation,  political, economic or social instability, or diplomatic developments
which could affect assets of the Fund invested in foreign  securities.  PMC will
take  these  and  other  factors  into  consideration  in  managing  the  Fund's
investments.

OPTIONS ON SECURITIES AND SECURITIES INDICES

The Fund may purchase call and put options on securities and securities  indices
for the  purpose of hedging  against  the risk of  unfavorable  price  movements
adversely  affecting the value of the Fund's  securities or securities which the
Fund intends to buy.  Securities  index options will not be used for speculative
purposes.

   
The Fund may only  purchase  and sell  options  that are  traded in a  regulated
market  which is open to the  public.  Currently,  options on stock  indices are
traded on national  securities  exchanges or over the counter,  both in the U.S.
and in foreign  countries.  A securities  index  fluctuates  with changes in the
market values of the securities  included in the index. For example,  some stock
index options are based on a broad market index such as the S&P 500 or the Value
Line  Composite  Index in the U.S.,  the  Nikkei in Japan or the FTSE 100 in the
United Kingdom.  Index options may also be based on a narrower market index such
as the S&P 100 or on an industry or market  segment such as the AMEX Oil and Gas
Index or the Computer and Business Equipment Index.
    

The Fund may  purchase  put  options in order to hedge  against  an  anticipated
decline in securities prices that might adversely affect the value of the Fund's
portfolio  securities.  If the Fund  purchases  a put  option on a  security  or
securities index, the amount of the payment it would receive upon exercising the
option would depend on the extent of any decline in the value of the security or
securities index below the exercise price.  Such payments would tend to offset a
decline in the value of the Fund's portfolio  securities.  However, if the value
of the security or  securities  index  increases  and remains above the exercise
price  while  the put  option  is  outstanding,  the  Fund  will  not be able to
profitably  exercise  the option and will lose the amount of the premium and any
transaction costs. Such loss may be partially offset by an increase in the value
of the Fund's portfolio securities.

The Fund may purchase call options on securities and securities indices in order
to remain fully invested in the stock market or to lock in a favorable  price on
securities  that it intends to buy in the future.  If the Fund  purchases a call
option on a security or securities  index, the amount of the payment it receives
upon  exercising the option depends on the extent of an increase in the value of
other securities and securities  indices above the exercise price. Such payments
would in effect allow the Fund to benefit from  securities  market  appreciation
even  though it may not have had  sufficient  cash to  purchase  the  underlying
securities.  Such payments may also offset  increases in the price of securities
that the Fund intends to  purchase.  If,  however,  the value of the security or
securities  index  declines and remains below the exercise  price while the call
option  is  outstanding,  the  Fund  will  not be able to  exercise  the  option
profitably and will lose the amount of the premium and transaction  costs.  Such
loss may be  partially  offset by a reduction  in the price the Fund pays to buy
additional securities for its portfolio.

   
The Fund may sell the security or  securities  index option it has  purchased or
write a similar  offsetting option in order to close out a position in an option
which it has  purchased.  These  closing  sale  transactions  enable the Fund to
immediately realize gains or minimize losses on its options positions.  However,
there is no assurance that a liquid secondary market on an options exchange will
exist for any particular option, or at any particular time, and for some options
no secondary market may exist. In addition,  security or securities index prices
may be  distorted  by  interruptions  in the  trading of  securities  of certain
companies or of issuers in certain  industries,  or by restrictions  that may be
imposed by an exchange on opening or closing transactions,  or both, which would
disrupt  trading in options on such security or securities  indices and preclude
the Fund from closing out its options positions. If the Fund is unable to effect
a closing sale  transaction  with respect to options that it has  purchased,  it
would have to exercise the options in order to realize any profit.
    

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  can not be  reflected  in the
options markets.  The purchase of options is a highly specialized activity which
involves  investment  techniques and risks different from those  associated with
ordinary portfolio securities transactions.

In addition to the risks of imperfect  correlation  between the Fund's portfolio
and the security or  securities  index  underlying  the option,  the purchase of
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  security  or the  prices  of the
securities comprising the securities index on which the option is based.

FUTURES CONTRACTS AND OPTIONS ON FUTURES CONTRACTS

   
To hedge against  changes in securities  prices,  the Fund may purchase and sell
various kinds of futures  contracts,  and purchase and write (sell) call and put
options on such futures contracts. The Fund may also enter into closing purchase
and sale transactions  with respect to such futures  contracts and options.  The
futures  contracts  may be based on  various  securities  in which  the Fund may
invest, securities indices that are composed of securities in which the Fund may
invest,  and other financial  instruments  and indices.  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 Commodity Futures Trading Commission (the "CFTC").
    

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 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  securities  prices are rising,  the Fund,  through the purchase of futures
contracts,  can attempt to secure better prices than might later be available in
the market when it effects anticipated purchases.

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 will usually be liquidated in
this manner,  the Fund may instead  make,  or take,  delivery of the  underlying
securities  whenever it appears  economically  advantageous to do so. A clearing
corporation  associated  with the exchange on which  futures on  securities  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 of 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  decline in market  prices  that would  adversely
affect the value of the Fund's portfolio 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  portfolio
securities.  If,  in the  opinion  of  PMC,  there  is a  sufficient  degree  of
correlation between price trends for the Fund's portfolio securities and futures
contracts based on securities and 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 Fund's portfolio
may be more or less  volatile  than prices of such futures  contracts,  PMC 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 portfolio 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 Fund's 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 then available in the applicable  market to be less favorable
than prices 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.

The  Fund  may use  options  on  futures  contracts  for bona  fide  hedging  or
non-hedging purposes as discussed below.

OTHER  CONSIDERATIONS.  The Fund will  engage in  futures  and  related  options
transactions  only for bona fide hedging or  non-hedging  purposes in accordance
with  CFTC  regulations  which  permit  principals  of  an  investment   company
registered under the 1940 Act to engage in such transactions without registering
as commodity pool operators.  The Fund is not permitted to engage in speculative
futures  trading.  The Fund will  determine that the price  fluctuations  in the
futures  contracts  and  options  on  futures  used  for  hedging  purposes  are
substantially  related to price  fluctuations  in securities held by the Fund or
which the Fund expects to purchase.  Except as stated below,  the Fund's futures
transactions  will be entered  into for  traditional  hedging  purposes -- i.e.,
futures  contracts  will be sold to  protect  against a decline  in the price of
securities that the Fund owns, or futures contracts will be purchased to protect
the Fund against an increase in the price of  securities it intends to purchase.
As evidence of this hedging intent,  the Fund expects that on 75% or more of the
occasions on which it takes a long  futures or option  position  (involving  the
purchase of futures contracts),  the Fund will have purchased, or will be in the
process of purchasing, equivalent amounts of related securities at the time when
the futures or option position is closed out. However, in particular cases, when
it is economically  advantageous  for the Fund to do so, a long futures position
may be terminated or an option may expire without the corresponding  purchase of
securities or other assets.

As an alternative to literal compliance with the bona fide hedging definition, a
CFTC regulation permits the Fund to elect to comply with a different test, under
which the sum of the amounts of initial margin  deposits on the Fund's  existing
non-hedging  futures  contracts and premiums paid for options on futures entered
into for  non-hedging  purposes  (net of the  amount the  positions  are "in the
money") would not exceed 5% of the market value of the Fund's total assets.  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 federal
income tax purposes.

Transaction  costs associated with 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,  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  securities  prices  may  result in a poorer  overall
performance  for the Fund than if it had not entered into any futures  contracts
or options  transactions.  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.

RESTRICTED AND ILLIQUID SECURITIES

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

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

Although there is no  requirement to do so, the Fund currently  intends to limit
its investments in illiquid securities, including certain restricted securities,
to 5% of total  assets and to limit its  investments  in  restricted  securities
determined not to be illiquid to 5% of total assets.

INVESTMENT RESTRICTIONS

FUNDAMENTAL  INVESTMENT  RESTRICTIONS.  The Fund has adopted certain  investment
restrictions  which  may not be  changed  without  the  affirmative  vote of the
holders of a "majority"  (as defined in the 1940 Act) of the Fund's  outstanding
voting securities.
The Fund may not:

   
         (1)......Issue  senior  securities,  except as  permitted by the Fund's
borrowing,  lending  and  commodity  restrictions  and,  for  purposes  of  this
restriction,  the issuance of shares of beneficial  interest in multiple classes
or series,  the purchase or sale of options,  futures  contracts  and options on
futures  contracts,  forward  commitments,  forward foreign exchange  contracts,
repurchase  agreements,  fully covered  reverse  repurchase  agreements,  dollar
rolls,  swaps and any other financial  transaction  entered into pursuant to the
Fund's investment  policies as described in the Prospectus and this Statement of
Additional Information and in accordance with applicable SEC pronouncements,  as
well as the pledge,  mortgage or  hypothecation  of the Fund's assets within the
meaning of the fundamental  investment  restriction regarding pledging,  are not
deemed to be senior securities.
    

         (2)......Borrow  money,  except  from banks as a  temporary  measure to
facilitate  the meeting of redemption  requests or for  extraordinary  emergency
purposes and except pursuant to reverse  repurchase  agreements and dollar rolls
and then  only in  amounts  not to  exceed 33 1/3% of the  Fund's  total  assets
(including  the amount  borrowed)  taken at market value.  The Fund will not use
leverage to attempt to increase income.

         (3)......Guarantee  the securities of any other  company,  or mortgage,
pledge, hypothecate or assign or otherwise encumber as security for indebtedness
its securities or receivables in an amount exceeding the amount of the borrowing
thereby secured.

   
         (4)......Act  as an  underwriter,  except  as it may be deemed to be an
underwriter in a sale of restricted securities held in its portfolio.
    

         (5)......Invest  in real estate,  commodities  or commodity  contracts,
except  that the Fund may invest in  financial  futures  contracts  and  related
options  and in any  other  financial  instruments  which  may be  deemed  to be
commodities  or  commodity  contracts in which the Fund is not  prohibited  from
investing  by  the  Commodity   Exchange  Act  and  the  rules  and  regulations
thereunder.

         (6)......Make  loans,  except by the  purchase of debt  obligations  in
which the Fund may invest consistent with its investment  policies,  by entering
into repurchase  agreements or through the lending of portfolio  securities,  in
each case only to the extent  permitted by the  Prospectus and this Statement of
Additional Information.

   
         (7)......With  respect to 75% of its total assets,  purchase securities
of  an   issuer   (other   than   the   U.S.   government,   its   agencies   or
instrumentalities), if
    

                  (a) such purchase would cause more than 5% of the Fund's total
         assets, taken at market value, to be invested in the securities of such
         issuer, or

                  (b) such purchase would at the time result in more than 10% of
         the  outstanding  voting  securities  of such issuer  being held by the
         Fund.

   
It is the  fundamental  policy of the Fund not to concentrate its investments in
securities  of  companies  in any  particular  industry.  Following  the current
opinion of the SEC,  the Fund's  investments  are  concentrated  in a particular
industry if such  investments  aggregate 25% or more of the Fund's total assets.
The Fund's policy does not apply to investments in U.S.
    
government Securities.

   
The Fund does not  intend to enter into any  reverse  repurchase  agreements  or
dollar rolls, lend portfolio securities or invest in forward currency contracts,
options  or  futures  on foreign  currencies  or  securities  index put and call
warrants, as described in fundamental  investment  restrictions (1), (2) and (6)
above,  during the coming year.  In  addition,  in  compliance  with an informal
position  taken by the staff of the SEC  regarding  leverage,  the Fund will not
purchase  securities  during  the  coming  year  at any  time  that  outstanding
borrowings exceed 5% of the Fund's total assets.
    

2. MANAGEMENT OF THE FUND

   
         The  Fund's  Board of  Trustees  provides  broad  supervision  over the
affairs of the Fund.  The  officers of the Fund are  responsible  for the Fund's
operations.  The Trustees and  executive  officers of the Fund are listed below,
together  with  their  principal  occupations  during  the past five  years.  An
asterisk  indicates those Trustees who are interested persons of the Fund within
the meaning of the 1940 Act.

JOHN F. COGAN, JR.*, CHAIRMAN OF THE BOARD, PRESIDENT AND TRUSTEE,
DOB:  JUNE 1926
         President, Chief Executive Officer and a Director of The Pioneer Group,
Inc.  ("PGI");  Chairman  and a Director of  Pioneering  Management  Corporation
("PMC") and Pioneer  Funds  Distributor,  Inc.  ("PFD");  Director of Pioneering
Services Corporation ("PSC"),  Pioneer Capital Corporation ("PCC"); Pioneer Real
Estate Advisors,  Inc., Pioneer Forest,  Inc.,  Pioneer Explorer,  Inc., Pioneer
Management   (Ireland)   Ltd.   ("PMIL")   and  Closed   Joint   Stock   Company
"Forest-Starma";  President and Director of Pioneer Metals and Technology,  Inc.
("PMT"),  Pioneer  International  Corp.  ("PIntl"),  Pioneer First Russia,  Inc.
("First Russia") and Pioneer Omega,  Inc.  ("Omega");  Chairman of the Board and
Director of Pioneer Goldfields Limited ("PGL") and Teberebie Goldfields Limited;
Chairman of the  Supervisory  Board of Pioneer Fonds  Marketing,  GmbH,  Pioneer
First Polish Trust Fund Joint Stock Company,  S.A. and Pioneer Czech  Investment
Company,  A.S.;  Chairman,  President  and Trustee of all of the Pioneer  mutual
funds; Director of Pioneer Global Equity Fund Plc, Pioneer Global Bond Fund Plc,
Pioneer DM Cashfonds Plc,  Pioneer  European Equity Fund Plc,  Pioneer Central &
Eastern Europe Fund Plc and Pioneer U.S. Real Estate Fund Plc; and Partner, Hale
and Dorr LLP (counsel to PGI and the Fund).

MARY K. BUSH, TRUSTEE, DOB:  APRIL 1948
4201 CATHEDRAL AVENUE, NW, WASHINGTON, DC  20016
         President,  Bush &  Co.,  an  international  financial  advisory  firm;
Director  and  Trustee  of  Mortgage  Guaranty  Insurance  Corporation,  Novecon
Management Company,  Hoover Institution,  Folger Shakespeare  Library,  March of
Dimes,  Project 2000, Inc. (a not-for-profit  educational  organization),  Small
Enterprise  Assistance Fund and Wilberforce  University;  Advisory Board Member,
Washington Mutual Investors Fund, a registered  investment company;  and Trustee
of all the Pioneer mutual funds, except Pioneer Variable Contracts Trust.

RICHARD H. EGDAHL, M.D., TRUSTEE, DOB:  DECEMBER 1926
BOSTON UNIVERSITY HEALTH POLICY INSTITUTE, 53 BAY STATE ROAD, BOSTON, MA  02115
         Professor  of  Management,  Boston  University  School  of  Management;
Professor of Public Health, Boston University School of Public Health; Professor
of Surgery,  Boston University School of Medicine;  Director,  Boston University
Health Policy Institute and Boston Medical Center;  Executive Vice President and
Vice Chairman of the Board,  University  Hospital;  Academic Vice  President for
Health  Affairs,  Boston  University;   Director,  Essex  Investment  Management
Company,  Inc.  (investment  adviser),  Health Payment Review, Inc. (health care
containment software firm), Mediplex Group, Inc. (nursing care facilities firm),
Peer Review Analysis, Inc. (health care facilities firm) and Springer-Verlag New
York, Inc. (publisher);  Honorary Trustee,  Franciscan Children's Hospital;  and
Trustee of all of the Pioneer mutual funds.

MARGARET B.W. GRAHAM, TRUSTEE, DOB:  MAY 1947
THE KEEP, P.O. BOX 110, LITTLE DEER ISLE, ME  04650
         Founding Director,  The Winthrop Group, Inc. (consulting firm); Manager
of Research  Operations,  Xerox Palo Alto  Research  Center,  from 1991 to 1994;
Professor of Operations  Management  and  Management of Technology and Associate
Dean,  Boston  University School of Management from 1989 to 1993; and Trustee of
all the Pioneer mutual funds, except Pioneer Variable Contracts Trust.

JOHN W. KENDRICK, TRUSTEE, DOB:  JULY 1917
6363 WATERWAY DRIVE, FALLS CHURCH, VA  22044
         Professor Emeritus,  George Washington University;  Director,  American
Productivity and Quality Center; Adjunct Scholar, American Enterprise Institute;
Economic  Consultant;  and Trustee of all of the Pioneer  mutual  funds,  except
Pioneer Variable Contracts Trust.

MARGUERITE A. PIRET, TRUSTEE, DOB:  MAY 1948
ONE BOSTON PLACE, SUITE 2635, BOSTON, MA  02108
         President,  Newbury,  Piret & Company,  Inc.  (merchant  banking firm);
Trustee  of Boston  Medical  Center;  Member of the  Board of  Governors  of the
Investment Company Institute; and Trustee of all of the Pioneer mutual funds.

DAVID D. TRIPPLE*, TRUSTEE AND EXECUTIVE VICE PRESIDENT, DOB:  FEBRUARY 1944
         Executive  Vice  President  and a  Director  of PGI;  President,  Chief
Investment  Officer and a Director of PMC;  Director of PFD, PCC,  PIntl,  First
Russia,  Omega, Pioneer SBIC Corporation  ("Pioneer SBIC"), PMIL, Pioneer Global
Equity Fund Plc, Pioneer Global Bond Fund Plc, Pioneer DM Cashfonds Plc, Pioneer
European  Equity  Fund Plc,  Pioneer  Central  and  Eastern  Europe Fund Plc and
Pioneer U.S. Real Estate Fund Plc; and Executive  Vice  President and Trustee of
all of the Pioneer mutual funds.

STEPHEN K. WEST, TRUSTEE, DOB:  SEPTEMBER 1928
125 BROAD STREET, NEW YORK, NY 10004
         Of counsel to Sullivan & Cromwell  (law firm);  Trustee,  The  Winthrop
Focus Funds (mutual funds); and Trustee of all of the Pioneer mutual funds.

JOHN WINTHROP, TRUSTEE, DOB:  JUNE 1936
ONE NORTH ADGERS WHARF, CHARLESTON, SC  29401
         President,  John  Winthrop  &  Co.,  Inc.  (private  investment  firm);
Director of NUI Corp. (energy sales, services and distribution);  and Trustee of
all of the Pioneer mutual funds, except Pioneer Variable Contracts Trust.

WILLIAM M. TAUSSIG, VICE PRESIDENT, DOB:  AUGUST 1952
       Vice President of PMC.

WILLIAM H. KEOUGH, TREASURER, DOB:  APRIL 1937
         Senior Vice President,  Chief  Financial  Officer and Treasurer of PGI;
Treasurer of PFD, PMC,  PSC,  PCC,  PIntl,  PMT,  PGL,  First Russia,  Omega and
Pioneer SBIC; and Treasurer of all of the Pioneer mutual funds.

JOSEPH P. BARRI, SECRETARY, DOB:  AUGUST 1946
         Corporate  Secretary of PGI and most of its subsidiaries;  Secretary of
all of the Pioneer mutual funds; and Partner, Hale and Dorr LLP.

ERIC W. RECKARD, ASSISTANT TREASURER, DOB:  JUNE 1956
         Manager of Fund Accounting of PMC since May 1994;  Manager of Auditing,
Compliance  and  Business  Analysis  for PGI  prior to May 1994;  and  Assistant
Treasurer of all of the Pioneer mutual funds.

ROBERT P. NAULT, ASSISTANT SECRETARY, DOB:  MARCH 1964
         General  Counsel and Assistant  Secretary of PGI since 1995;  Assistant
Secretary of PMC, PIntl, PGL, First Russia,  Omega and all of the Pioneer mutual
funds;  Assistant  Clerk of PFD and PSC; and junior partner of Hale and Dorr LLP
prior to 1995.


The Fund's Agreement and Declaration of Trust (the "Declaration") dated December
3, 1996,  provides that the holders of two-thirds of its outstanding  shares may
vote to  remove  a  Trustee  of the Fund at any  meeting  of  shareholders.  See
"Description of Shares" below.  The business address of all officers is 60 State
Street, Boston, Massachusetts 02109.
    

All of the outstanding  capital stock of PFD, PMC and PSC is owned,  directly or
indirectly,  by PGI, a  publicly-owned  Delaware  corporation.  PMC,  the Fund's
investment  adviser,  serves as the  investment  adviser for the Pioneer  mutual
funds  listed  below  and  manages  the  investments  of  certain  institutional
accounts.

         The table below lists all the Pioneer mutual funds currently offered to
the public and the investment adviser and principal underwriter for each fund.

                                         Investment           Principal
FUND NAME                                  ADVISER           UNDERWRITER

   
Pioneer International Growth Fund            PMC                 PFD
Pioneer Europe Fund                          PMC                 PFD
Pioneer World Equity Fund                    PMC                 PFD
Pioneer Emerging Markets Fund                PMC                 PFD
Pioneer India Fund                           PMC                 PFD
Pioneer Capital Growth Fund                  PMC                 PFD
Pioneer Mid-Cap Fund                         PMC                 PFD
Pioneer Growth Shares                        PMC                 PFD
Pioneer Small Company Fund                   PMC                 PFD
Pioneer Independence Fund                    PMC                 PFD
Pioneer Micro-Cap Fund                       PMC                 PFD
Pioneer Gold Shares                          PMC                 PFD
Pioneer Equity-Income Fund                   PMC                 PFD
Pioneer Fund                                 PMC                 PFD
Pioneer II                                   PMC                 PFD
Pioneer Real Estate Shares                   PMC                 PFD
Pioneer Balanced Fund                        PMC                 PFD
Pioneer Short-Term Income Trust              PMC                 PFD
Pioneer America Income Trust                 PMC                 PFD
Pioneer Bond Fund                            PMC                 PFD
Pioneer Intermediate Tax-Free Fund           PMC                 PFD
Pioneer Tax-Free Income Fund                 PMC                 PFD
Pioneer Cash Reserves Fund                   PMC                 PFD
Pioneer Interest Shares                      PMC               Note 1
Pioneer Variable Contracts Trust             PMC               Note 2
    
- ------------------------------------
Note 1 This fund is a closed-end fund.

   
Note 2 This is a series  of ten  separate  portfolios  designed  to  provide
       investment   vehicles  for  the  variable  annuity  and  variable  life
       insurance  contracts  of various  insurance  companies  or for  certain
       qualified pension plans.
    
- ------------------------------------

   
To the knowledge of the Fund, no officer or trustee of the Fund owned 5% or more
of the issued and  outstanding  shares of PGI as of t date of this  Statement of
Additional  Information,  except Mr. Cogan who then owned  approximately  14% of
such shares.  At February 28, 1998,  the Trustees and officers of the Fund owned
in the aggregate,  less than 1% of the outstanding securities of the Fund. As of
such  date,  Merrill  Lynch  Pierce  Fenner & Smith for the sole  benefit of its
customers,  4800  Deer  Lake  Drive  East,  Jacksonville,  FL  32246-6484  owned
approximately  7.90% (265,032  shares) of the outstanding  Class A shares of the
Fund and approximately 18.51% (860,394 shares) of the outstanding Class B shares
of the Fund.
    


<PAGE>



COMPENSATION OF OFFICERS AND TRUSTEES

   
The Fund pays no salaries or compensation to any of its officers,  however,  the
Fund pays an annual  trustees'  fee to each Trustee who is not  affiliated  with
PGI, PMC, PFD or PSC  consisting of two  components:  (a) a base fee of $500 and
(b) a variable fee,  calculated on the basis of the Fund's average net assets of
the Fund.  In addition,  the Fund pays a per meeting fee of $100 to each Trustee
who is not affiliated with PGI, PMC, PFD or PSC and pays an annual Trustee's fee
of $500 plus expenses to each Trustee affiliated with PGI, PMC, PFD and PSC. The
Fund also pays an annual committee  participation fee to each Trustee who serves
as a member of any committees established to act on behalf of one or more of the
of Pioneer  mutual funds.  Committee fees are allocated to the Fund on the basis
of the Fund's  average  net  assets.  Each  Trustee who is a member of the Audit
Committee  for the Pioneer  mutual funds  receives an annual fee equal to 10% of
the  aggregate  annual  trustees'  fee,  except the  Committee  Chairperson  who
receives an annual  trustees' fee equal to 20% of the aggregate annual trustees'
fee.  Members of the Pricing  Committee for the Pioneer mutual funds, as well as
any other committee which renders material  functional services to the Boards of
Trustees for the Pioneer mutual funds, receives an annual fee equal to 5% of the
annual  trustees' fee,  except the Committee  Chairperson who receives an annual
trustees' fee equal to 10% of the annual  trustees' fee. Each Trustee who is not
affiliated  with  PGI,  PMC,  PFD or PSC  also  receives  $375 per  meeting  for
attendance at meetings of the Non-Interested Trustees Committee,  except for the
Committee  Chairperson who will receive an additional $375 per meeting. Any such
fees paid to  affiliated  or  interested  persons  of PGI,  PMC,  PFD or PSC are
reimbursed to the Fund under its management contract.
    


The following table sets forth certain information with respect to the estimated
compensation of each Trustee of the Fund:

                                             Pension or 
                                             Retirement      Total Compensation
                          Aggregate          Benefits        from Fund and Other
                          Compensation       Accrued Part of Pioneer Mutual
Name of Trustee           from the Fund*     Fund Expenses   Funds**

   
John F. Cogan, Jr.        $   333           $  0            $ 12,000
Mary K. Bush                  740              0              30,000
Richard H. Egdahl, M.D.     1,177              0              62,000
Margaret B.W. Graham        1,177              0              60,000
John W. Kendrick            1,177              0              55,800
Marguerite A. Piret         1,337              0              80,000
David D. Tripple              333              0              12,000
Stephen K. West             1,251              0              63,800
John Winthrop               1,319              0              69,000
                                             
TOTAL                     $ 8,844              0            $444,600
- ------------------------------------------------------------------------------

 *       For the period ended November 30, 1997.
 **      For the calendar year ended December 31, 1997
    

3. INVESTMENT ADVISER

   
The Fund has contracted with PMC, 60 State Street, Boston, Massachusetts,  02109
to act as its investment  adviser. A description of the services provided to the
Fund under its  management  contract and the expenses paid by the Fund under the
contract is set forth in the  Prospectus  under the caption  "Management  of the
Fund."

The term of the management contract is one year and is renewable annually by the
vote of a majority of the Board of Trustees of the Fund (including a majority of
the Board of Trustees who are not parties to the contract or interested  persons
of any such  parties)  cast in person at a meeting  called  for the  purpose  of
voting  on  such  renewal.  The  contract  terminates  if  assigned  and  may be
terminated  without penalty by either party upon 60 days' written notice by vote
of the Board of  Directors  or Trustees or a majority of the Fund's  outstanding
voting securities.  Pursuant to the management contract,  PMC will not be liable
for any error of judgment or mistake of law or for any loss  sustained by reason
of the adoption of any investment  policy or the purchase,  sale or retention of
any  securities on the  recommendation  of PMC. PMC,  however,  is not protected
against  liability  by  reason  of  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  respective  management
contract.

As  compensation  for its  management  services  and expenses  incurred,  PMC is
entitled to a management fee from the Fund at the rate of 1.10% per annum of the
Fund's average daily net assets.  The fee is normally computed and accrued daily
and paid monthly.

PMC has agreed not to impose  all or a portion of its  management  fees and make
other  arrangements,  if  necessary,  to limit  expenses  for the Fund's Class A
shares to not more than 1.75% of such Class's average net assets. The management
fee  attributable  to the Fund's  Class B shares will not be imposed to the same
extent that it is not imposed for Class A shares.  This  agreement  is temporary
and  voluntary and may be revised or terminated at any time by PMC. See "Expense
Information" in the Prospectus.

During the period of February  28, 1997  (commencement  of  operations)  through
November 30, 1997,  the Fund  incurred  management  fees to PMC of $407,068.  If
PMC's fee  reduction  and expense  limitation  had not been in effect,  the Fund
would have incurred management fees of $592,206 for the period.
    

4. UNDERWRITING AGREEMENT AND DISTRIBUTION PLANS

   
The Fund  entered into an  Underwriting  Agreement  with PFD.  The  Underwriting
Agreement will continue from year to year if annually  approved by the Trustees.
The  Underwriting  Agreement  provides  that  PFD  will  bear  expenses  for the
distribution of the Fund's shares, except for expenses incurred by PFD for which
it is reimbursed 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  foreign  countries.  The Fund and PFD have  agreed  to
indemnify each other against certain  liabilities,  including  liabilities under
the Securities Act of 1933, as amended.  Under the Underwriting  Agreement,  PFD
will use its best efforts in rendering services to the Fund.

The Fund has adopted plans of distribution pursuant to Rule 12b-1 under the 1940
Act with respect to both its Class A shares (the "Class A Plan") and its Class B
shares (the "Class B Plan") (together, the "Plans").
    

CLASS A PLAN

   
Pursuant to the Class A Plan the Fund may reimburse PFD for its  expenditures in
financing  any  activity  primarily  intended  to  result in the sale of Class A
shares of the Fund.  Certain  categories of such expenditures have been approved
by the Board of Trustees and are set forth in the Prospectus.  See "Distribution
Plans" in each Prospectus. The expenses of the Fund pursuant to the Class A Plan
are accrued on a fiscal year basis and may not exceed,  with  respect to Class A
shares,  the  annual  rate of 0.25% of the  Fund's  average  annual  net  assets
attributable to Class A shares.
    

CLASS B PLAN

   
The Class B Plan provides that the Fund shall pay PFD, as the Fund's distributor
for its Class B shares,  a daily  distribution  fee equal on an annual  basis to
0.75% of the Fund's average daily net assets  attributable to Class B shares and
will pay PFD a service fee equal to 0.25% of the Fund's average daily net assets
attributable to Class B shares (which PFD will in turn pay to securities dealers
which  enter  into a sales  agreement  with  PFD at a rate of up to 0.25% of the
Fund's  average  daily  net  assets  attributable  to  Class B  shares  owned by
investors  for whom that  securities  dealer is the holder or dealer of record).
This service fee is intended to be in consideration of personal  services and/or
account  maintenance  services  rendered by the dealer  with  respect to Class B
shares.  PFD will  advance to dealers the first year service fee at a rate equal
to 0.25% of the amount invested.  As compensation  therefor,  PFD may retain the
service  fee paid by the Fund with  respect  to such  shares  for the first year
after purchase.  Dealers will become  eligible for additional  service fees with
respect to such shares  commencing in the thirteenth  month following  purchase.
Dealers  may from time to time be  required to meet  certain  other  criteria in
order to receive  service fees. PFD or its affiliates are entitled to retain all
service  fees  payable  under the  Class B Plan for which  there is no dealer of
record  or for  which  qualification  standards  have not  been  met as  partial
consideration  for  personal  services  and/or  account   maintenance   services
performed  by  PFD  or  its  affiliates  for   shareholder   accounts.   When  a
broker-dealer sells Class B shares and elects, with PFD's approval, to waive its
right to receive the  commission  normally paid at the time of the sale, PFD may
cause all of a portion of the  distribution  fees described  above to be paid to
the broker-dealer.

The  purpose  of  distribution  payments  to PFD  under  the  Class B Plan is to
compensate PFD for its  distribution  services with respect to Class B shares of
the Fund.  PFD pays  commissions  to dealers  as well as  expenses  of  printing
prospectuses  and reports used for sales purposes,  expenses with respect to the
preparation  and  printing of sales  literature  and other  distribution-related
expenses,   including,   without  limitation,  the  cost  necessary  to  provide
distribution-related   services  or  personnel,   travel,  office  expenses  and
equipment.  The Class B Plan also provides that PFD will receive all  contingent
deferred  sales  charges  ("CDSCs")   attributable  to  Class  B  shares.   (See
"Distribution Plans" in the Prospectus.)
    

GENERAL

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

No  interested  person of the Fund,  nor any  Trustee  of the Fund who is not an
interested person of the Fund, has any direct or indirect  financial interest in
the  operation  of the Plans  except to the extent  that PFD and  certain of its
employees  may be deemed to have such an  interest  as a result of  receiving  a
portion of the  amounts  expended  under the Plans by the Fund and except to the
extent certain officers may have an interest in PFD's ultimate parent, PGI.

   
The Plans were adopted by a majority  vote of the Board of  Trustees,  including
all of the Trustees who are not, and were not at the time they voted, interested
persons  of the Fund,  as  defined in the 1940 Act (none of whom had or have any
direct or indirect  financial  interest in the operation of the Plans),  cast in
person at a meeting called for the purpose of voting on the Plans.  In approving
the Plans, the Trustees identified and considered a number of potential benefits
which the Plans may  provide.  The Board of  Trustees  believes  that there is a
reasonable  likelihood  that the Plans will benefit the Fund and its current and
future shareholders.  Under their terms, the Plans remain in effect from year to
year provided such  continuance is approved  annually by vote of the Trustees in
the manner described above. The Plans may not be amended to increase  materially
the annual  percentage  limitation  of average net assets which may be spent for
the services described therein without approval of the shareholders of the Fund.
Material  amendments  of the Plans must also be approved by the  Trustees in the
manner described above. A Plan may be terminated at any time, without payment of
any penalty,  by vote of the  majority of the  Trustees  who are not  interested
persons of the Fund and have no direct or  indirect  financial  interest  in the
operations  of the Plan,  or by a vote of a majority of the  outstanding  voting
securities of the  respective  Class of the Fund (as defined in the 1940 Act). A
Plan will automatically  terminate in the event of its assignment (as defined in
the 1940 Act).

During the  period  February  28,  1997  (commencement  of  operations)  through
November 30,,  1997, the Fund incurred  total  distribution  fees of $54,056 and
$303,301 pursuant to the Fund's Class A Plan and Class B Plan, respectively.

Redemptions  of each Class of shares  may be subject to a CDSC.  A CDSC of 1.00%
may be  imposed  on  certain  net  asset  purchases  of Class A shares  that are
redeemed  within one year of purchase.  Class B shares that are redeemed  within
six years of purchase are subject to a CDSC at declining rates beginning at 4.0%
based on the lower of cost or market value of shares being  redeemed.  See " How
to Buy Fund  Shares" in the  Prospectus.  During the period  February  28,  1997
(commencement  of operations)  through November 30, 1997, CDSCs in the amount of
$39,681  were  paid to PFD.  Such  CDSCs  are  paid to PFD in  reimbursement  of
expenses related to servicing of shareholders  accounts and compensation paid to
dealers and sales personnel.
    

5. SHAREHOLDER SERVICING/TRANSFER AGENT

   
The Fund has contracted with PSC, 60 State Street, Boston,  Massachusetts 02109,
to act as shareholder  servicing and transfer agent for the Fund.  This contract
may be terminated without penalty by either party upon 90 days' written notice.
    

Under  the  terms  of its  contract  with the  Fund,  PSC  services  shareholder
accounts,  and  its  duties  include:  (i)  processing  sales,  redemptions  and
exchanges of shares of the Fund; (ii)  distributing  dividends and capital gains
associated with Fund portfolio  accounts;  and (iii) maintaining account records
and responding to shareholder inquiries.

   
PSC  receives  an annual fee of $22.75 for each Class A and Class B  shareholder
account from the Fund as compensation  for the services  described above. PSC is
also reimbursed by the Fund for its cash out-of-pocket expenditures.  The annual
fee is set at an  amount  determined  by  vote  of a  majority  of the  Trustees
(including a majority of the  Trustees who are not parties to the contract  with
PSC or interested persons of any such parties) to be comparable to fees for such
services  being  paid by other  investment  companies.  The Fund may  compensate
entities which have agreed to provide certain sub-accounting  services,  such as
specific transaction processing and recordkeeping services. Any such payments by
the Fund would be in lieu of the per account fee which would  otherwise  be paid
by the Fund to PSC.
    

6. CUSTODIAN

   
Brown Brothers Harriman & Co. 40 Water Street,  Boston,  Massachusetts 02109, is
the  custodian  (the   "Custodian")  of  the  Fund's  assets.   The  Custodian's
responsibilities  include  safekeeping  and  controlling  the  Fund's  cash  and
securities in the U.S. as well as in foreign countries, handling the receipt and
delivery of  securities,  and  collecting  interest and  dividends on the Fund's
investments.  The Custodian fulfills its function in foreign countries through a
network of subcustodian banks located around the world.

The Custodian does not determine the  investment  policies of the Fund or decide
which  securities  the Fund will buy or sell. The Fund may,  however,  invest in
securities,  including  repurchase  agreements,  issued by the Custodian and may
deal with the  Custodian as a principal in  securities  transactions.  Portfolio
securities may be deposited into the Federal  Reserve-Treasury  Department  Book
Entry  System or the  Depository  Trust  Company  in the U.S.  or in  recognized
central depositories in foreign countries.
    

7. PRINCIPAL UNDERWRITER

   
PFD, 60 State  Street,  Boston,  Massachusetts  02109,  serves as the  principal
underwriter for the Fund in connection with the continuous offering of the Class
A and  Class  B  shares  of the  Fund.  During  the  period  February  28,  1997
(commencement  of  operations)  through  November  30,  1997,  net  underwriting
commissions  retained  by PFD in  connection  with its  offering  of the Class A
shares of the Fund were  $155,470.  Commissions  reallowed  to dealers by PFD in
such period were $1,903,050. See "Underwriting Agreement and Distribution Plans"
above for a description of the terms of the Underwriting Agreement with PFD.
    

The Fund will not generally issue Fund shares for consideration other than cash.
At  the  Fund's  sole  discretion,   however,  it  may  issue  Fund  shares  for
consideration  other than cash in connection  with an  acquisition  of portfolio
securities or a merger or other reorganization.

8. INDEPENDENT PUBLIC ACCOUNTANTS

   
Arthur Andersen LLP, 225 Franklin Street,  Boston,  Massachusetts  02110, is the
Fund's  independent  public  accountants,  providing audit services,  tax return
review,  and  assistance  and  consultation  with respect to the  preparation of
filings with the SEC.
    

9. PORTFOLIO TRANSACTIONS

   
All orders for the purchase or sale of portfolio securities are placed on behalf
of the Fund by PMC  pursuant to  authority  contained  in the Fund's  management
contract.  In selecting  brokers or dealers,  PMC will consider various relevant
factors,  including,  but not limited to, the size and type of the  transaction;
the nature and  character  of the markets for the  security to be  purchased  or
sold; the execution efficiency,  settlement capability,  and financial condition
of the  broker-dealer;  the  broker-dealer's  execution  services  rendered on a
continuing basis; and the reasonableness of any broker-dealer spreads.

PMC may select  broker-dealers  which provide brokerage and/or research services
to the Fund and/or other  investment  companies or other accounts managed by PMC
In  addition,  if PMC  determines  in good faith that the amount of  commissions
charged  by a  broker-dealer  is  reasonable  in  relation  to the  value of the
brokerage  and  research  services  provided  by such  broker,  the Fund may pay
commissions to such  broker-dealer  in an amount greater than the amount another
firm may charge.  Such  services  may  include  advice  concerning  the value of
securities;  the advisability of investing in, purchasing or selling securities;
the  availability  of  securities or the  purchasers  or sellers of  securities;
furnishing  analyses and reports  concerning  issuers,  industries,  securities,
economic factors and trends, portfolio strategy and performance of accounts; and
effecting  securities  transactions and performing  functions incidental thereto
(such as clearance and  settlement).  PMC maintains a listing of  broker-dealers
who provide such services on a regular basis. However, because it is anticipated
that many  transactions  on behalf  of the Fund and other  investment  companies
managed by PMC are placed with broker-dealers  (including  broker-dealers on the
listing)  without regard to the furnishing of such services,  it is not possible
to estimate the proportion of such transactions  directed to such dealers solely
because such services were provided.

The  research  received  from  broker-dealers  may be useful to PMC in rendering
investment  management  services to the Fund and other  investment  companies or
other accounts  managed by PMC,  although not all such research may be useful to
the Fund.  Conversely,  such information provided by brokers or dealers who have
executed transaction orders on behalf of such other PMC clients may be useful to
PMC in carrying out its  obligations  to the Fund.  The receipt of such research
has not reduced  PMC's  normal  independent  research  activities;  however,  it
enables PMC to avoid the additional  expenses which might  otherwise be incurred
if it were to attempt to develop comparable information through its own staff.
    

In circumstances  where two or more  broker-dealers  offer comparable prices and
executions,  preference may be given to a broker-dealer which has sold shares of
the Fund as well as shares of other investment  companies or accounts managed by
PMC.  This  policy  does  not  imply  a  commitment  to  execute  all  portfolio
transactions through all broker-dealers that sell shares of the Fund.

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

   
In addition to the Fund, PMC acts as investment  adviser to other Pioneer mutual
funds and certain private accounts with investment  objectives  similar to those
of the Fund. As such, securities may meet the investment objectives of the Fund,
such other  funds and such  private  accounts.  In such cases,  the  decision to
recommend  a purchase to one fund or account  rather than  another is based on a
number of  factors.  The  determining  factors  in most  cases are the amount of
securities of the issuer then outstanding, the value of those securities and the
market for them.  Other  factors  considered in the  investment  recommendations
include  other  investments  which  each  fund  or  account  presently  has in a
particular  industry and the  availability  of investment  funds in each fund or
account.
    

It is possible that at times identical  securities will be held by more than one
fund  and/or  account.  However,  positions  in the same  issue may vary and the
length of time that any fund or account may choose to hold its investment in the
same issue may likewise  vary. To the extent that the Fund,  another mutual fund
in the  Pioneer  group or a private  account  managed  by PMC may not be able to
acquire as large a position in such security as it desires, it may have to pay a
higher price for the security.  Similarly, the Fund may not be able to obtain as
large an  execution  of an order to sell or as high a price  for any  particular
portfolio  security if PMC decides to sell on behalf of another account the same
portfolio  security at the same time. On the other hand, if the same  securities
are  bought  or sold at the same  time by more  than one  fund or  account,  the
resulting  participation in volume  transactions could produce better executions
for the Fund or the  account.  In the event more than one account  purchases  or
sells the same  security on a given date,  the purchases and sales will normally
be made as  nearly  as  practicable  on a pro rata  basis in  proportion  to the
amounts desired to be purchased or sold by each.

   
For the period from February 28, 1997 through  November 30, 1997,  the Fund paid
or accrued aggregate brokerage and underwriting commissions of $246,192.
    

10. TAX STATUS

   
It is the Fund's  policy to meet the  requirements  of Subchapter M of the Code,
for qualification as a regulated  investment company.  These requirements relate
to the sources of the Fund's income, the  diversification of its assets, and the
distribution  of  its  income  to  shareholders.  If the  Fund  meets  all  such
requirements and distributes to its shareholders,  in accordance with the Code's
timing requirements, all investment company taxable income and net capital gain,
if any,  which it earns,  the Fund will be relieved of the  necessity  of paying
federal income tax.

In order to qualify as a regulated  investment  company under  Subchapter M, the
Fund must, among other things,  derive at least 90% of its gross income for each
taxable year from  dividends,  interest,  payments  with  respect to  securities
loans,  gains  from the  sale or other  disposition  of stock or  securities  or
foreign  currencies or other income  (including  gains from options,  futures or
forward  contracts)  derived  with  respect to its business of investing in such
stock,  securities  or currencies  (the "90% income  test") and satisfy  certain
diversification and income distribution requirements.

Dividends from investment company taxable income,  which includes net investment
income, net short-term capital gain in excess of net long-term capital loss, and
certain net foreign  exchange  gains,  are taxable as ordinary  income,  whether
received  in cash  or  reinvested  in  additional  shares.  Dividends  from  net
long-term  capital gain in excess of net  short-term  capital loss ("net capital
gain"), if any, whether received in cash or reinvested in additional shares, are
taxable  to the Fund's  shareholders  as capital  gains for  federal  income tax
purposes without regard to the length of time shares of the Fund have been held.
As a result of the enactment of the Taxpayer Relief Act of 1997 (the "1997 TRA")
on August 5, 1997, gain recognized  after May 6, 1997 from the sale of a capital
asset is taxable to  individual  (noncorporate)  investors at different  maximum
federal  income tax rates,  depending  generally upon the tax holding period for
the asset,  the federal  income tax bracket of the  taxpayer,  and the dates the
asset was acquired  and/or sold.  The Treasury  Department  has issued  guidance
under the 1997 TRA that (subject to possible  modification by future  "technical
corrections"  legislation)  enables the Fund to pass through to its shareholders
the  benefits of the capital  gains tax rates  enacted in the 1997 TRA. The Fund
will   provide   appropriate   information   to  its   shareholders   about  its
distributions,  including the tax rate(s)  applicable to its distributions  from
long-term  capital  gains,  in  accordance  with this and any  future  guidance.
Shareholders should consult their own tax advisers on the correct application of
these new rules in their particular circumstances.
    

Any  dividend  declared  by the Fund in  October,  November  or December as of a
record  date in such a month  and paid  during  the  following  January  will be
treated for federal income tax purposes as received by  shareholders on December
31 of the calendar year in which it is declared.

   
If the Fund  invests in certain  pay-in-kind  securities  ("PIKs"),  zero coupon
securities,  deferred interest  securities or, in general,  any other securities
with  original  issue  discount  (or with market  discount if the Fund elects to
include  market  discount in income  currently),  the Fund must accrue income on
such  investments  for each taxable year,  which  generally will be prior to the
receipt of the corresponding cash payments.  However,  the Fund must distribute,
at least annually,  all or substantially  all of its net income,  including such
accrued income,  to shareholders  to qualify as a regulated  investment  company
under the Code and avoid federal  income and excise taxes.  Therefore,  the Fund
may  have  to  dispose  of  its  portfolio   securities  under   disadvantageous
circumstances  to generate cash, or may have to leverage itself by borrowing the
cash, to satisfy distribution requirements.

For federal  income tax  purposes,  the Fund is permitted to carry forward a net
capital loss for any year to offset net capital gains,  if any, during the eight
years following the year of the loss. To the extent subsequent capital gains are
offset by such losses,  they would not result in federal income tax liability to
the  Fund  and  therefore  are  not  expected  to  be  distributed  as  such  to
shareholders.

At 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 undistributed taxable income of the Fund. Consequently,  subsequent
distributions  by the Fund on 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.

Redemptions and exchanges are taxable events for  shareholders  that are subject
to tax.  Shareholders  should  consult their own tax advisers with  reference to
their individual  circumstances to determine whether any particular  transaction
in Fund shares is properly treated as a sale for tax purposes,  as the following
discussion assumes, and the character of and tax rate applicable to any gains or
losses recognized in such  transactions  under the new rate structure enacted in
the 1997 TRA. Any loss realized by a shareholder  upon the redemption,  exchange
or other  disposition  of shares with a tax holding period of six months or less
will be treated as a long-term capital loss to the extent of any amounts treated
as distributions of long-term capital gain with respect to such shares.

In addition,  if Class A shares  redeemed or  exchanged  have been held for less
than 91 days, (1) in the case of a  reinvestment  in the Fund at net asset value
pursuant to the exchange privilege,  the sales charge paid on such shares is not
included in their tax basis  under the Code and (2) in the case of an  exchange,
all or a portion of the sales  charge  paid on such  shares is not  included  in
their  tax basis  under  the  Code,  to the  extent a sales  charge  that  would
otherwise  apply to the shares  received  is reduced  pursuant  to the  exchange
privilege.  In either case,  the portion of the sales charge not included in the
tax basis of the shares  redeemed or  surrendered  in an exchange is included in
the tax basis of the shares acquired in the reinvestment or exchange.  Losses on
redemptions or other  dispositions of shares may be disallowed under "wash sale"
rules in the  event of other  investments  in the  Fund  (including  those  made
pursuant to reinvestment of dividends and/or capital gain distributions)  within
a  period  of 61 days  beginning  30 days  before  and  ending  30 days  after a
redemption  or other  disposition  of  shares.  In such a case,  the  disallowed
portion of any loss would be  included  in the  federal  tax basis of the shares
acquired in the other investments.

Options written or purchased and futures  contracts  entered into by the Fund on
certain  securities and securities indices may cause the Fund to recognize gains
or losses from  marking-to-market  even though such options may not have lapsed,
been  closed out,  or  exercised  or such  futures  contracts  may not have been
performed or closed out. The tax rules  applicable to these contracts may affect
the characterization as long-term or short-term of some capital gains and losses
realized by the Fund.  Additionally,  the Fund may be required to recognize gain
if an option,  futures contract 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 no  corresponding  cash amounts may  concurrently  be received,  possibly
requiring  the  disposition  of portfolio  securities or borrowing to obtain the
necessary cash. Losses on certain options or futures 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  or
futures  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, and straddles may affect the amount, timing and
character  of the  Fund's  income  and loss and  hence of its  distributions  to
shareholders.

For purposes of the 70%  dividends-received  deduction available to corporations
under the Code, dividends received by the Fund from U.S. corporations in respect
of any share of stock with a tax holding  period of at least 46 days (91 days in
the case of certain  preferred  stock)  extending before and after each dividend
held in an unleveraged  position and  distributed and designated by the Fund may
be treated as qualifying dividends. Any corporate shareholder should consult its
tax adviser  regarding the  possibility  that its tax basis in its shares may be
reduced, for federal income tax purposes, by reason of "extraordinary dividends"
received  with  respect to the  shares,  and,  to the extent such basis would be
reduced below zero, current  recognition of income may be required.  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
that diminish risk of loss with respect to their Fund shares and, if they borrow
to acquire or otherwise incur debt attributable to Fund shares,  may be denied a
portion of the  dividends-received  deduction.  The entire qualifying  dividend,
including the otherwise  deductible amount,  will be included in determining the
excess  (if  any)  of  a  corporation's   adjusted  current  earnings  over  its
alternative   minimum  taxable  income,   which  may  increase  a  corporation's
alternative minimum tax liability

Foreign  exchange  gains and  losses  realized  by the Fund in  connection  with
certain  transactions  involving foreign  currency-denominated  debt securities,
foreign currencies, or payables or receivables denominated in a foreign currency
are subject to Section 988 of the Code,  which  generally  causes such gains and
losses to be treated as  ordinary  income and losses and may affect the  amount,
timing and character of distributions to shareholders. Under future regulations,
any  transactions  in foreign  currencies  that are not directly  related to the
Fund's  investments in stock or securities (or its options or futures  contracts
with respect to stock or  securities)  may need to be limited in order to enable
the Fund to satisfy the 90% income test. If the net foreign  exchange loss for a
year were to exceed the  Fund's  investment  company  taxable  income  (computed
without  regard to such loss),  the resulting  ordinary loss for such year would
not be deductible by the Fund or its shareholders in future years.

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

If the Fund acquires any equity interest (under proposed regulations,  generally
including not only stock but also an option to acquire stock such as is inherent
in a convertible bond) in certain foreign corporations 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 hold at least 50% of their
assets in investments producing such passive income ("passive foreign investment
companies"),  the Fund could be subject  to  federal  income tax and  additional
interest charges on "excess distributions"  received from such companies or gain
from the sale of stock in such  companies,  even if all income or gain  actually
received by the Fund is timely  distributed to its shareholders.  The Fund would
not be able to pass through to its shareholders any credit or deduction for such
a tax. An election  may  generally  be  available  that would  ameliorate  these
adverse  tax  consequences,  but any such  election  could  require  the Fund to
recognize  taxable  income or gain  (subject to tax  distribution  requirements)
without the concurrent  receipt of cash. These  investments could also result in
the treatment of associated capital gains as ordinary income. The Fund may limit
and/or manage its holdings in passive foreign  investment  companies to minimize
its tax liability or maximize its return from these investments.

The Fund may be  subject  to  withholding  and other  taxes  imposed  by foreign
countries,  including  taxes on  interest,  dividends  and capital  gains,  with
respect to its investments in those countries.  Tax conventions  between certain
countries  and the U.S.  may reduce or eliminate  such taxes in some cases.  The
Fund does not expect to satisfy  the  requirements  for  passing  through to its
shareholders  their pro rata shares of qualified foreign taxes paid by the Fund,
with the result that  shareholders  will not  include  such taxes in their gross
incomes and will not be entitled to a tax  deduction or credit for such taxes on
their own tax returns.
    

Different tax treatment, including penalties on certain excess contributions and
deferrals, certain pre-retirement and post-retirement distributions, and certain
prohibited   transactions  is  accorded  to  accounts  maintained  as  qualified
retirement  plans.  Shareholders  should  consult  their tax  advisers  for more
information.

Federal law requires  that the Fund  withhold (as "backup  withholding")  31% of
reportable  payments,  including  dividends,  capital  gain  dividends,  and the
proceeds of redemptions  (including exchanges) and repurchases,  to shareholders
who have not complied with IRS  regulations.  In order to avoid this withholding
requirement,  shareholders  must certify on their  Account  Applications,  or on
separate W-9 Forms, that their Social Security or other Taxpayer  Identification
Number is correct and that they are not currently subject to backup withholding,
or that they are exempt from backup  withholding.  The Fund may  nevertheless be
required to  withhold  if it  receives  notice from the IRS or a broker that the
number provided is incorrect or backup  withholding is applicable as a result of
previous underreporting of interest or dividend income.

   
If, as  anticipated,  the Fund  continues  to qualify 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.

The  description of certain  federal tax  provisions  above relates only to U.S.
federal income tax consequences for  shareholders  who are U.S.  persons,  i.e.,
U.S.  citizens  or  residents  and U.S  corporations,  partnerships,  trusts  or
estates,  and who are subject to U.S.  federal income tax. The description  does
not address the special tax rules  applicable to particular  types of investors,
such as financial  institutions,  insurance  companies,  securities  dealers, or
tax-exempt or  tax-deferred  plans,  accounts or entities.  Investors other than
U.S.  persons  may be subject to  different  U.S.  tax  treatment,  including  a
possible 30%  nonresident  alien U.S.  withholding  tax (or  non-resident  alien
withholding tax at a lower treaty rate) on amounts treated as ordinary dividends
from the Fund and, unless an effective IRS Form W-8 or authorized substitute for
Form W-8 is on file, to 31% backup  withholding  on certain other  payments from
the Fund.  Shareholders  should  consult their own tax advisers on these matters
and on state, local and other applicable tax laws.
    

11. DESCRIPTION OF SHARES

The  Declaration  permits the Board of Trustees to authorize  the issuance of an
unlimited number of full and fractional shares of beneficial  interest which may
be divided into such separate  series as the Trustees may establish.  Currently,
the Fund  consists of only one series.  The  Trustees  may,  however,  establish
additional series of shares, and may divide or combine the shares into a greater
or lesser number of shares without thereby changing the proportionate beneficial
interests  in the Fund.  The  Declaration  further  authorizes  the  Trustees to
classify  or  reclassify  any  series of the  shares  into one or more  classes.
Pursuant  thereto,  the Trustees have  authorized the issuance of two classes of
shares of the Fund,  designated as Class A shares and Class B shares. Each share
of a class of the Fund represents an equal proportionate  interest in the assets
of the Fund allocable to that class. Upon liquidation of the Fund,  shareholders
of each  class 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
Fund  reserves  the right to create  and issue  additional  series or classes of
shares,  in which case the shares of each  class of a series  would  participate
equally in the  earnings,  dividends  and assets  allocable to that class of the
particular series.

Shareholders  are  entitled  to one vote for each share held and may vote in the
election  of  Trustees  and  on  other   matters   submitted  to  a  meeting  of
shareholders.  Although  Trustees are not elected annually by the  shareholders,
shareholders have, under certain circumstances,  the right to remove one or more
Trustees.

The shares of the Fund are  entitled to vote  separately  to approve  investment
advisory agreements or changes in investment  restrictions,  but shareholders of
all  series  vote  together  in the  election  and  selection  of  Trustees  and
accountants.  Shares  of all  series  of the Fund  vote  together  as a class on
matters that affect all series of the Fund in substantially  the same manner. As
to matters  affecting a single  series or class,  shares of such series or class
will  vote  separately.   No  amendment   adversely   affecting  the  rights  of
shareholders  may be  made  to the  Fund's  Declaration  of  Trust  without  the
affirmative  vote of a majority of its  shares.  Shares  have no  preemptive  or
conversion rights.  Shares are fully paid and non-assessable by the Fund, except
as stated below.

   
12.  CERTAIN LIABILITIES

As a  Delaware  business  trust,  the  Fund's  operations  are  governed  by its
Declaration.  A copy of the Fund's  Certificate of Trust, also dated December 3,
1996,  is on file  with the  office  of the  Secretary  of  State  of  Delaware.
Generally,  Delaware  business trust  shareholders are not personally liable for
obligations  of the Delaware  business  trust under  Delaware  law. The Delaware
Business  Trust  Act (the  "Delaware  Act")  provides  that a  shareholder  of a
Delaware  business  trust shall be entitled to the same  limitation of liability
extended to shareholders  of private  for-profit  corporations.  The Declaration
expressly  provides  that the Fund is organized  under the Delaware Act and that
the Declaration is to be governed by Delaware law. It is  nevertheless  possible
that a Delaware  business  trust,  such as the Fund,  might become a party to an
action in another  state whose courts  refused to apply  Delaware  law, in which
case the trust's shareholders could become subject to personal liability.
    

To guard against this risk, the Declaration  (i) contains an express  disclaimer
of  shareholder  liability for acts or obligations of the Fund and provides that
notice  of such  disclaimer  may be  given  in  each  agreement,  obligation  or
instrument  entered into or executed by the Fund or its Trustees,  (ii) provides
for the indemnification out of Fund property of any shareholders held personally
liable  for any  obligations  of the Fund or any  series  of the Fund and  (iii)
provides that the Fund shall, upon request, assume the defense of any claim made
against any  shareholder  for any act or  obligation of the Fund and satisfy any
judgment  thereon.  Thus,  the risk of a shareholder  incurring  financial  loss
beyond his or her  investment  because of  shareholder  liability  is limited to
circumstances  in which all of the  following  factors are present:  (1) a court
refused to apply  Delaware  law; (2) the  liability  arose under tort law or, if
not, no  contractual  limitation  of liability  was in effect;  and (3) the Fund
itself would be unable to meet its  obligations.  In light of Delaware  law, the
nature of the Fund's business and the nature of its assets, the risk of personal
liability to a Fund shareholder is remote.

The  Declaration  further  provides  that the Fund shall  indemnify  each of its
Trustees and officers against  liabilities and expenses  reasonably  incurred by
them, in connection  with,  or arising out of, any action,  suit or  proceeding,
threatened against or otherwise  involving such Trustee or officer,  directly or
indirectly,  by reason of being or having been a Trustee or officer of the Fund.
The Declaration  does not authorize the Fund to indemnify any Trustee or officer
against any liability to which he or she would otherwise be subject by reason of
or for willful misfeasance, bad faith, gross negligence or reckless disregard of
such person's duties.

13.  LETTER OF INTENT (CLASS A SHARES ONLY)

   
The use of the Letter of Intent ("LOI")  procedure may be limited for this Fund.
An LOI may, however, be used in connection with the purchases of shares of other
Pioneer  mutual  funds.  See "How to Purchase Fund Shares - Letter of Intent" in
the Prospectus for more information.

An  LOI  may be  established  by  completing  the  LOI  section  of the  Account
Application.  When you sign the Account  Application,  you agree to  irrevocably
appoint PSC your  attorney-in-fact to surrender for redemption any or all shares
held  in  escrow  with  full  power  of  substitution.  An LOI is not a  binding
obligation  upon the investor to purchase,  or the Fund to sell, the full amount
indicated.

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

If the total  purchases,  less  redemptions,  are less than the amount specified
under the LOI, you must remit to PFD any difference  between the sales charge on
the amount  actually  purchased and the amount  originally  specified in the LOI
section of the Account Application. When the difference is paid, the shares held
in escrow will be deposited to your account. If you do not pay the difference in
sales charge within 20 days after written request from PFD or your dealer,  PSC,
after receiving  instructions  from PFD, will redeem the  appropriate  number of
shares held in escrow to realize the difference and release any excess.

14.  SYSTEMATIC WITHDRAWAL PLAN

The  Systematic  Withdrawal  Plan  ("SWP") is designed  to provide a  convenient
method of receiving  fixed  payments at regular  intervals  from the Fund by the
applicant under the SWP. The applicant must deposit or purchase for deposit with
PSC shares of the Fund having a total value of not less than  $10,000.  Periodic
payments of $50 or more will be deposited  monthly or quarterly  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.  A designation of a third
party  to  receive  payments  subsequent  to  opening  an  account  requires  an
acceptable signature  guarantee.  Class B accounts must meet the minimum initial
investment  requirement prior to establishing a SWP Withdrawals under a SWP from
Class B share  accounts  are  limited to 10% of the value of the  account at the
time the SWP is implemented.
    

Any income dividends or capital gains distributions on shares under the SWP will
be credited to the SWP account on the payment date in full and fractional shares
at the net asset value per share in effect on the record date.

   
SWP payments are made from the proceeds of the  redemption  of shares  deposited
under the SWP in a SWP account. To the extent that such redemptions for periodic
withdrawals  exceed  dividend  income  reinvested  in  the  SWP  account,   such
redemptions  will  reduce  and may  ultimately  exhaust  the  number  of  shares
deposited in the SWP account.  Redemptions are potentially taxable  transactions
to shareholders.  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.
    

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

15.  DETERMINATION OF NET ASSET VALUE

   
The net asset value per share of each class of the Fund is  determined as of the
close of regular trading on the Exchange  (normally 4:00 p.m.,  Eastern time) on
each day on which  the  Exchange  is open  for  trading.  As of the date of this
Statement of  Additional  Information,  the  Exchange is open for trading  every
weekday except for the following  holidays:  New Year's Day, Martin Luther King,
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 in which  the level of
trading in its portfolio  securities is  sufficiently  high that the current net
asset  value per share might be  materially  affected by changes in the value of
its  portfolio  securities.  The Fund is not required to determine its net asset
value per share on any day in which no  purchase  orders  for the  shares of the
Fund become effective and no shares are tendered for redemption.

The net asset  value per share 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 a class,  and dividing the result by the number of
outstanding  shares of the class.  For purposes of determining  net asset value,
expenses of the classes of the Fund are accrued daily.
    

Securities that 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 last
bid and asked  prices.  Securities  for which no market  quotations  are readily
available  (including  those whose trading has been suspended) will be valued at
fair value as  determined  in good faith by the Board of Trustees,  although the
actual  computations  may be made by persons acting pursuant to the direction of
the Board of Trustees.

The Fund's maximum  offering price per Class A share is determined by adding the
maximum  sales  charge to the net asset value per Class A share.  Class B shares
are  offered at net asset  value  without  the  imposition  of an initial  sales
charge.

16. INVESTMENT RESULTS

QUOTATIONS, COMPARISONS, AND GENERAL INFORMATION

   
From time to time,  in  advertisements,  in sales  literature,  or in reports to
shareholders,  the  past  performance  of the  Fund  may be  illustrated  and/or
compared with that of other mutual funds with similar investment objectives, and
to stock or other  relevant  indices.  For  example,  total return of the Fund's
classes  may be compared to  rankings  prepared by LIPPER  ANALYTICAL  SERVICES,
INC.,  a widely  recognized  independent  service  which  monitors  mutual  fund
performance;  the S&P 500, an index of unmanaged groups of common stock; the DOW
JONES INDUSTRIAL  AVERAGE,  a recognized  unmanaged index of common stocks of 30
industrial  companies  listed on the Exchange or the RUSSELL U.S. EQUITY INDEXES
or the  WILSHIRE  TOTAL  MARKET  VALUE  INDEX , which are  recognized  unmanaged
indexes of broad based common stocks.

In  addition,  the  performance  of the  classes of the Fund may be  compared to
alternative  investment or savings  vehicles  and/or to indices or indicators of
economic activity,  e.g., inflation or interest rates.  Performance rankings and
listings reported in newspapers or national business and financial publications,
such as BARRON'S,  BUSINESS WEEK, CONSUMER'S DIGEST, CONSUMER REPORTS, FINANCIAL
WORLD, FORBES, FORTUNE,  INVESTORS BUSINESS DAILY,  KIPLINGER'S PERSONAL FINANCE
MAGAZINE,  MONEY MAGAZINE, THE NEW YORK TIMES, SMART MONEY, USA TODAY, U.S. NEWS
AND WORLD REPORT,  THE WALL STREET JOURNAL,  and WORTH may also be cited (if the
Fund is  listed  in any such  publication)  or used for  comparison,  as well as
performance listings and rankings from various other sources including BLOOMBERG
FINANCIAL SYSTEMS,  CDA/WIESENBERGER  INVESTMENT  COMPANIES SERVICE,  DONOGHUE'S
MUTUAL FUND ALMANAC,  INVESTMENT  COMPANY DATA, INC.,  JOHNSON'S  CHARTS,  KANON
BLOCH  CARRE  &  CO.,  LIPPER  ANALYTICAL  SERVICES,   INC.,   MICROPAL,   INC.,
MORNINGSTAR,  INC.,  SCHABACKER  INVESTMENT  MANAGEMENT and TOWERS DATA SYSTEMS,
INC.

In  addition,  from  time to  time,  quotations  from  articles  from  financial
publications such as those listed above may be used in advertisements,  in sales
literature, or in reports to shareholders of the Fund.
    

The Fund may also present, from time to time,  historical  information depicting
the value of a  hypothetical  account  in one or more  classes of the Fund since
such Fund's inception.

In  presenting  investment  results,  the Fund may also  include  references  to
certain  financial  planning  concepts,  including  (a) an  investor's  need  to
evaluate his financial  assets and  obligations to determine how much to invest;
(b) his need to analyze the objectives of various investments to determine where
to invest;  and (c) his need to analyze his time frame for future  capital needs
to determine how long to invest. The investor controls these three factors,  all
of which affect the use of investments in building assets.

   
One of the primary  methods  used to measure the  performance  of a class of the
Fund is "total  return."  Total return will normally  represent  the  percentage
change in value of an account, or of a hypothetical investment in a class of the
Fund, over any period up to the lifetime of that class of the Fund. Total return
calculations  will usually assume the  reinvestment of all dividends and capital
gains  distributions and will be expressed as a percentage  increase or decrease
from an initial value for the entire period or for one or more specified periods
within the entire period.  Total return percentages for periods of less than one
year will usually be  annualized;  total return  percentages  for periods longer
than one year will usually be accompanied by total return  percentages  for each
year within the period and/or by the average annual  compounded total return for
the period. The income and capital components of a given return may be separated
and  portrayed  in a  variety  of ways in order  to  illustrate  their  relative
significance.  Performance  may also be portrayed in terms of cash or investment
values,  without  percentages.  Past performance cannot guarantee any particular
future result.

The Fund's  average  annual total return  quotations  for each of its classes as
that  information  may appear in the  Prospectus,  this  Statement of Additional
Information or in advertising are calculated by standard  methods  prescribed by
the SEC.
    

STANDARDIZED AVERAGE ANNUAL TOTAL RETURN QUOTATIONS

Average  annual  total  return  quotations  for Class A and  Class B shares  are
computed  by finding the average  annual  compounded  rates of return that would
cause  a  hypothetical  investment  in the  class  made  on the  first  day of a
designated  period (assuming all dividends and  distributions are reinvested) to
equal the ending  redeemable value of such  hypothetical  investment on the last
day of the designated period in accordance with the following formula:
                                  n
                            P(1+T)  = ERV

Where:            P        =        a hypothetical initial payment of $1,000, 
                                    less the maximum sales load of $57.50 for
                                    Class A shares or the deduction of the CDSC
                                    for Class B shares at the end of the period

                  T        =        average annual total return

                  n        =        number of years

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

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

In determining the average annual total return  (calculated as provided  above),
recurring  fees,  if any,  that are  charged to all  shareholder  accounts  of a
particular  class are taken into  consideration.  For any account fees that vary
with the size of the  account,  the account  fee used for  purposes of the above
computation  is assumed  to be the fee that  would be charged to a class's  mean
account size.

   
The average  annual  total  returns for each Class of Fund shares as of November
30, 1997, are as follows:
    

                           Average Total Return (%)

   
                                           Since Inception
Class A Shares                                     12.06%
Class B Shares                                     14.47%
    

*INCEPTION WAS FEBRUARY 28, 1997.

AUTOMATED INFORMATION LINE

FactFoneSM, Pioneer's 24-hour automated information line, allows shareholders to
dial toll-free 1-800-225-4321 and hear recorded fund information, including:

         o       net asset value prices for all Pioneer mutual funds;

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

         o       annualized 7-day yields and 7-day effective (compound) yields
                 for Pioneer Cash Reserves Fund; and

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

   
Yields are calculated in accordance with SEC mandated standard formulas.
    

In addition, by using a personal identification number ("PIN"), shareholders may
enter  purchases,  exchanges and  redemptions,  access their account balance and
last three transactions and may order a duplicate statement. See "FactFoneSM" in
the Prospectus for more information.

   
All  performance  numbers   communicated   through  FactFoneSM   represent  past
performance,  and  figures  for  all  quoted  bond  funds  include  the  maximum
applicable sales charge. A shareholder's actual yield and total return will vary
with changing market conditions. The value of Class A and Class B shares (except
for Pioneer  Cash  Reserves  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.
    

17.  FINANCIAL STATEMENTS

   
The Fund's Annual Report,  filed with the SEC on January 28, 1998 (Accession No.
0001025187-98-000003),  is  incorporated  by  reference  into this  Statement of
Additional  Information.   The  financial  statements  therein,   including  the
financial  highlights,  for the period  ended  November  30,  1997,  included or
incorporated  by reference  into the Prospectus and this Statement of Additional
Information,  have been  audited  by Arthur  Andersen  LLP,  independent  public
accountants, as indicated in their report with respect thereto, and are included
in  reliance  upon the  authority  of said firm as  experts  in  accounting  and
auditing in giving said report.
    


<PAGE>


   
                                   APPENDIX A

           DESCRIPTION OF SHORT-TERM DEBT AND CORPORATE BOND RATINGS1

        MOODY'S INVESTORS SERVICE, INC. SHORT-TERM PRIME RATING SYSTEM -
                       TAXABLE DEBT AND DEPOSITS GLOBALLY

Moody's  short-term debt ratings are opinions of the ability of issuers to repay
punctually senior debt obligations.  These obligations have an original maturity
not exceeding one year, unless explicitly noted.

Moody's  employs the following three  designations,  all judged to be investment
grade, to indicate the relative repayment ability of rated issuers:

PRIME-1:  Issuers rated  Prime-1 (or  supporting  institutions)  have a superior
ability for repayment of senior short-term debt  obligations.  Prime-1 repayment
ability will often be evidenced by many of the following characteristics:

         Leading market positions in well-established  industries. High rates of
         return on funds employed.
         Conservative  capitalization  structure with moderate  reliance on debt
         and ample asset protection. Broad margins in earnings coverage of fixed
         financial  charges and high internal cash generation.  Well-established
         access to a range of financial markets and assured sources of alternate
         liquidity.

PRIME-2:  Issuers  rated  Prime-2  (or  supporting  institutions)  have a strong
ability for repayment of senior short-term debt obligations.  This will normally
be evidenced by many of the characteristics  cited above but to a lesser degree.
Earnings  trends  and  coverage  ratios,  while  sound,  may be more  subject to
variation. Capitalization characteristics,  while still appropriate, may be more
affected by external conditions. Ample alternate liquidity is maintained.

PRIME-3:  Issuers rated Prime-3 (or supporting  institutions) have an acceptable
ability for repayment of senior short-term  obligations.  The effect of industry
characteristics and market  compositions may be more pronounced.  Variability in
earnings and profitability may result in changes in the level of debt protection
measurements  and may  require  relatively  high  financial  leverage.  Adequate
alternate liquidity is maintained.

NOT PRIME:  Issuers  rated Not Prime do not fall within any of the Prime  rating
categories.

Obligations  of a branch of a bank are considered to be domiciled in the country
in which the branch is located. Unless noted as an exception,  Moody's rating on
a bank's ability to repay senior obligations extends only to branches located in
countries which carry a Moody's Sovereign Rating for Bank Deposits.  Such branch
obligations  are rated at the lower of the bank's  rating or  Moody's  Sovereign
Rating for Bank Deposits for the country in which the branch is located.

When the currency in which an obligation is  denominated  is not the same as the
currency of the country in which the obligation is domiciled, Moody's ratings do
not  incorporate  an  opinion as to whether  payment of the  obligation  will be
affected by actions of the government  controlling the currency of denomination.
In addition,  risks  associated with bilateral  conflicts  between an investor's
home  country  and either the  issuer's  home  country or the  country  where an
issuer's  branch is located are not  incorporated  into Moody's  short-term debt
ratings.

If an issuer  represents to Moody's that its  short-term  debt  obligations  are
supported by the credit of another entity or entities, then the name or names of
such supporting entity or entities are listed within the parenthesis beneath the
name of the issuer, or there is a footnote  referring the reader to another page
for the name or names of the supporting entity or entities. In assigning ratings
to such issuers,  Moody's  evaluates the  financial  strength of the  affiliated
corporations,  commercial banks,  insurance  companies,  foreign  governments or
other entities, but only as one factor in the total rating assessment.

MOODY'S CORPORATE BOND RATINGS

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

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

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

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

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

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

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

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

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

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

STANDARD & POOR'S SHORT-TERM ISSUE CREDIT RATINGS

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.

B: A short-term obligation rated B is regarded as having significant speculative
characteristics.  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.

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  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.

STANDARD & POOR'S CORPORATE BOND RATINGS

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 in 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.

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 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.

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: The C rating may be used to cover a situation where a bankruptcy petition has
been filed or similar action has been taken, but payments on this obligation are
being continued.

D: An obligation  rated D is in payment  default.  The D rating category is used
when  payments  on an  obligation  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 are jeopardized.

PLUS (+) OR MINUS (-): The rating from AA to CCC may be modified by the addition
of a plus or minus sign to show relative standing within the major categories.

R: This  symbol is  attached  to the  ratings of  instruments  with  significant
noncredit  risks.  It  highlights  risks to principal or  volatility of expected
returns  which  are  not  addressed  in the  credit  rating.  Examples  include:
obligations  linked  or  indexed  to  equities,   currencies,   or  commodities;
obligations  exposed  to  severe  prepayment  risk,  such  as  interest-only  or
principal-only  mortgage  securities;   and  obligations  with  unusually  risky
interest terms, such as inverse floaters.
    



<PAGE>


   
                                   APPENDIX B

                             PERFORMANCE STATISTICS

                             PIONEER MICRO-CAP FUND

                                 CLASS A SHARES

<TABLE>
<S>                <C>             <C>            <C>               <C>           <C>            <C>
                                                                                   NET ASSET     INITIAL NET
                   INITIAL         OFFERING       SALES CHARGE       SHARES           VALUE        ASSET
   DATE          INVESTMENT         PRICE          INCLUDED        PURCHASED       PER SHARE       VALUE
  ----            ----------         -----          --------        ---------       ---------       -----
 2/28/97           $10,000          $15.92           5.75%           628.141         $15.00         $9,425
                                    ------           -----           -------         ------         ------

</TABLE>


                                 VALUE OF SHARES

                     DIVIDENDS AND CAPITAL GAINS REINVESTED
<TABLE>
<S>               <C>                   <C>                 <C>                            <C>

                     FROM               FROM CAPITAL        FROM DIVIDENDS REINVESTED       TOTAL
  DATE            INVESTMENT          GAINS REINVESTED                                      VALUE
12/31/97           $10,245                  $685                        0                  $10,930
</TABLE>

    




<PAGE>



   
                             PIONEER MICRO-CAP FUND

                                 CLASS B SHARES

<TABLE>
<S>             <C>             <C>             <C>                 <C>            <C>              <C>                  
                                                                                    NET ASSET       INITIAL NET
                 INITIAL         OFFERING       SALES CHARGE         SHARES           VALUE            ASSET
  DATE          INVESTMENT        PRICE           INCLUDED          PURCHASED       PER SHARE          VALUE
    ----        ----------        -----           --------          ---------       ---------          -----
  2/28/97         $10,000         $15.00            N/A              666.667          $15.00          $10,000

</TABLE>
                              VALUE OF SHARES

                  DIVIDENDS AND CAPITAL GAINS REINVESTED
<TABLE>
<S>               <C>              <C>                    <C>                    <C>                <C> 
                                                                                 CONTINGENT
                                                                                  DEFERRED
                    FROM            FROM CAPITAL          FROM DIVIDENDS        SALES CHARGE        TOTAL          CDSC
    DATE         INVESTMENT        GAINS REINVESTED         REINVESTED           IF REDEEMED        VALUE       PERCENTAGE
  12/31/97        $10,813                $727                   $0                 $400            $11,140         4.00%

</TABLE>

    






<PAGE>



   
                             COMPARATIVE PERFORMANCE
                               INDEX DESCRIPTIONS

The following  securities  indices are well known,  unmanaged measures of market
performance. Advertisements and sales literature for the Fund may refer to these
indices or may present  comparisons  between the performance of the Fund and one
or more of the indices.  Other  indices may also be used,  if  appropriate.  The
indices are not  available  for direct  investment.  The data  presented are not
meant to be  indicative  of the  performance  of the Fund,  do not reflect  past
performance and do not guarantee future results.

S&P 500
This index is a readily available, carefully constructed,  market value weighted
benchmark of common stock  performance.  Currently,  the S&P 500 includes 500 of
the largest stocks (in terms of stock market value) in the U.S.

DOW JONES INDUSTRIAL AVERAGE
This is a total return index based on the  performance of stocks of 30 blue chip
companies widely held by individuals and institutional  investors. The 30 stocks
represent about a fifth of the $8 trillion-plus  market value of all U.S. stocks
and about a fourth of the value of stocks listed on the New York Stock  Exchange
(NYSE).

U.S. SMALL STOCK INDEX
This index is a market value  weighted  index of the ninth and tenth  deciles of
the NYSE, plus stocks listed on the American Stock Exchange and over the counter
with the  same or less  capitalization  as the  upper  bound  of the NYSE  ninth
decile.

U.S. INFLATION
THE  CONSUMER  PRICE  INDEX  FOR ALL URBAN  CONSUMERS  (CPI-U),  not  seasonally
adjusted, is used to measure inflation,  which is the rate of change of consumer
goods prices.  Unfortunately,  the  inflation  rate as derived by the CPI is not
measured  over the same period as the other asset  returns.  All of the security
returns are measured  from one  month-end to the next  month-end.  CPI commodity
prices are collected during the month.  Thus,  measured  inflation rates lag the
other  series  by about  one-half  month.  Prior to  January  1978,  the CPI (as
compared with CPI-U) was used.  Both inflation  measures are  constructed by the
U.S.
Department of Labor, Bureau of Labor Statistics, Washington, DC.

S&P/BARRA INDEXES
The S&P/BARRA GROWTH AND VALUE INDEXES are constructed by dividing the stocks in
the S&P 500 according to price-to-book  ratios. The GROWTH INDEX contains stocks
with higher price-to-book ratios, and the VALUE INDEX contains stocks with lower
price-to-book ratios. Both indexes are market capitalization weighted.

MERRILL LYNCH MICRO-CAP INDEX
The MERRILL LYNCH  MICRO-CAP  INDEX  represents the  performance of 2,036 stocks
ranging in market capitalization from $50 million to $220 million. Index returns
are calculated monthly.

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

INTERMEDIATE-TERM U.S. GOVERNMENT BONDS
Total returns of  intermediate-term  government  bonds after 1987 are calculated
from The Wall Street  Journal  prices,  using the change in flat price.  Returns
from 1934 to 1986 are obtained from the CRSP government bond file.

Each year,  one-bond  portfolios  are formed,  the bond  chosen is the  shortest
noncallable  bond with a  maturity  not less than five  years,  and this bond is
"held" for the calendar year. Monthly returns are computed. (Bonds with impaired
negotiability or special redemption  privileges are omitted, as are partially or
fully tax-exempt bonds starting with 1943.) From 1934 to 1942,  almost all bonds
with  maturities  near five years were  partially or fully  tax-exempt  and were
selected using the rules described above.  Personal tax rates were generally low
in that  period,  so that yields on  tax-exempt  bonds were similar to yields on
taxable bonds.  From 1926 to 1933, there are few bonds suitable for construction
of a series with a five-year  maturity.  For this period,  five-year  bond yield
estimates are used.

MORGAN STANLEY CAPITAL INTERNATIONAL ("MSCI")
MSCI's  international  indices  are based on the share  prices of  approximately
1,700  companies  listed on stock exchanges in the 22 countries that make up the
MSCI World Index.  MSCI's emerging market indices are comprised of approximately
1000 stocks from 26 countries.

Countries  in the MSCI EAFE INDEX are:  Australia,  Austria,  Belgium,  Denmark,
Finland,   France,   Germany,  Hong  Kong,  Ireland,   Italy,  Japan,  Malaysia,
Netherlands,  New Zealand,  Norway,  Singapore,  Spain, Sweden,  Switzerland and
United Kingdom.

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

6-MONTH CDS
Data sources include the Federal Reserve Bulletin and The Wall Street Journal.

LONG-TERM U.S. CORPORATE BONDS
Since 1969, corporate bond total returns are represented by the Salomon Brothers
Long-Term  High-Grade  Corporate  Bond  Index.  As  most  large  corporate  bond
transactions  take place over the counter,  a major dealer is the natural source
of these data.  The index  includes  nearly all Aaa- and Aa-rated  bonds with at
least 10 years to maturity.  If a bond is downgraded  during a particular month,
its return for the month is included in the index before  removing the bond from
future portfolios.

From 1926 to 1968 the total  returns  were  calculated  by summing  the  capital
appreciation  returns  and the  income  returns.  For the  period  1946 to 1968,
Ibbotson and Sinquefield  backdated the Salomon  Brothers' index,  using Salomon
Brothers' monthly yield data with a methodology  similar to that used by Salomon
Brothers for 1969 to 1995.  Capital  appreciation  returns were  calculated from
yields  assuming (at the  beginning of each  monthly  holding  period) a 20-year
maturity,   a  bond   price   equal  to  par,   and  a   coupon   equal  to  the
beginning-of-period  yield.  For the  period  1926 to  1945,  Standard  & Poor's
monthly  high-grade  corporate  composite  yield data were  used,  assuming a 4%
coupon and a 20-year maturity.  The conventional  present-value formula for bond
price for the  beginning  and  end-of-month  prices was used.  (This  formula is
presented in Ross,  Stephen A., and Westerfield,  Randolph W. Corporate Finance,
Times Mirror/Mosby,  St. Louis, 1990, p. 97 ["Level-Coupon Bonds"].) The monthly
income return was assumed to be one-twelfth the coupon.

U.S. (30-DAY) TREASURY BILLS
For the U.S.  TREASURY  BILL INDEX,  data from The Wall Street  Journal are used
after 1977; the CRSP government bond file is the source until 1976. Each month a
one-bill  portfolio  containing the shortest-term  bill having not less than one
month to maturity is  constructed.  (The bill's original term to maturity is not
relevant.) To measure  holding  period returns for the one-bill  portfolio,  the
bill is priced as of the last  trading day of the previous  month-end  and as of
the last trading day of the current month.

NATIONAL ASSOCIATION OF REAL ESTATE INVESTMENT TRUSTS
("NAREIT")EQUITY REIT INDEX
All of the data are  based  upon the last  closing  price of the  month  for all
tax-qualified  REITs  listed  on  the  NYSE,  AMEX  and  NASDAQ.  The  data  are
market-value-weighted.  Prior to 1987 REITs were added to the index the  January
following  their  listing.  Since 1987 newly formed or listed REITs are added to
the total  shares  outstanding  figure in the month that the shares are  issued.
Only  common  shares  issued by the REIT are  included  in the index.  The total
return  calculation  is based upon the weighting at the beginning of the period.
Only  those  REITs  listed for the  entire  period are used in the total  return
calculation.  Dividends are included in the month based upon their payment date.
There is no smoothing of income.
Liquidating dividends, whether full or partial, are treated as income.

RUSSELL U.S. EQUITY INDEXES
The RUSSELL 3000(R) INDEX (the "Russell 3000") is comprised of the 3,000 largest
U.S. companies as determined by market capitalization representing approximately
98%  of  the  U.S.  equity  market.   The  average  market   capitalization   is
approximately $2.8 billion. The RUSSELL 2500TM INDEX measures performance of the
2,500 smallest companies in the Russell 3000. The average market  capitalization
is  approximately  $733.4  million,  and the largest company in the index has an
approximate  market  capitalization  of $2.9 billion.  The RUSSELL 2000(R) INDEX
measures  performance  of the 2,000  smallest  stocks in the Russell  3000;  the
largest company in the index has a market  capitalization of approximately  $1.1
billion. The RUSSELL 1000(R) INDEX (the "Russell 1000") measures the performance
of the  1,000  largest  companies  in  the  Russell  3000.  The  average  market
capitalization is approximately $7.6 billion.  The smallest company in the index
has an approximate market  capitalization of $1.1 billion.  The RUSSELL MIDCAPTM
INDEX measures  performance  of the 800 smallest  companies in the Russell 1000.
The largest  company in the index has an approximate  market  capitalization  of
$8.0 billion.

The  Russell  indexes are  reconstituted  annually as of July 1, based on May 31
market capitalization rankings.

WILSHIRE REAL ESTATE SECURITIES INDEX
The WILSHIRE REAL ESTATE  SECURITIES INDEX is a market  capitalization  weighted
index of 120 publicly traded real estate securities,  such as REITs, real estate
operating companies ("REOCs") and partnerships.

The index  contains  performance  data on five  major  categories  of  property:
office, retail,  industrial,  apartment and miscellaneous.  The companies in the
index are 91.66% equity and hybrid REITs and 8.33% REOCs.

STANDARD & POOR'S MIDCAP 400 INDEX
The S&P 400 is a market-capitalization-weighted  index. The performance data for
the index  were  calculated  by taking  the  stocks  presently  in the index and
tracking them backward in time as long as there were prices reported. No attempt
was made to determine  what stocks  "might have been" in the S&P 400 five or ten
years ago had it existed.  Dividends are  reinvested on a monthly basis prior to
June 30, 1991, and are reinvested daily thereafter.

LIPPER BALANCED FUNDS INDEX
This index represents equally weighted  performance,  adjusted for capital gains
distributions  and income  dividends,  of  approximately 30 of the largest funds
with a primary  objective of conserving  principal by maintaining at all times a
balanced portfolio of stocks and bonds.  Typically,  the stock/bond ratio ranges
around 60%/40%.

BANK SAVINGS ACCOUNT
Data sources include the U.S. League of Savings Institutions Sourcebook; average
annual yield on savings  deposits in FSLIC [FDIC] insured  savings  institutions
for the years 1963 to 1987; and The Wall Street Journal thereafter.

Sources:  Ibbotson Associates,  Towers Data Systems, Lipper Analytical Services,
Inc. Merrill Lynch and PGI
    
<PAGE>

   
                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<TABLE>
<S>              <C>        <C>            <C>             <C>          <C>             <C>
                               Dow                                        S&P/          S&P/
                 S&P          Jones        U.S. Small                    BARRA          BARRA        Merrill Lynch
                 500        Industrial        Stock         U.S.          500            500           Micro-Cap
                             Average          Index       Inflation      Growth         Value            Index
    
- ----------------------------------------------------------------------------------------------------------------------
   
Dec 1925           N/A          N/A             N/A          N/A         N/A            N/A              N/A
Dec 1926         11.62          N/A            0.28        -1.49         N/A            N/A              N/A
Dec 1927         37.49          N/A           22.10        -2.08         N/A            N/A              N/A
Dec 1928         43.61         55.38          39.69        -0.97         N/A            N/A              N/A
Dec 1929         -8.42        -13.64         -51.36         0.20         N/A            N/A              N/A
Dec 1930        -24.90        -30.22         -38.15        -6.03         N/A            N/A              N/A
Dec 1931        -43.34        -49.02         -49.75        -9.52         N/A            N/A              N/A
Dec 1932         -8.19        -16.88          -5.39       -10.30         N/A            N/A              N/A
Dec 1933         53.99         73.72         142.87         0.51         N/A            N/A              N/A
Dec 1934         -1.44          8.08          24.22         2.03         N/A            N/A              N/A
Dec 1935         47.67         43.77          40.19         2.99         N/A            N/A              N/A
Dec 1936         33.92         30.23          64.80         1.21         N/A            N/A              N/A
Dec 1937        -35.03        -28.88         -58.01         3.10         N/A            N/A              N/A
Dec 1938         31.12         33.16          32.80        -2.78         N/A            N/A              N/A
Dec 1939         -0.41          1.31           0.35        -0.48         N/A            N/A              N/A
Dec 1940         -9.78         -7.96          -5.16         0.96         N/A            N/A              N/A
Dec 1941        -11.59         -9.88          -9.00         9.72         N/A            N/A              N/A
Dec 1942         20.34         14.13          44.51         9.29         N/A            N/A              N/A
Dec 1943         25.90         19.06          88.37         3.16         N/A            N/A              N/A
Dec 1944         19.75         17.19          53.72         2.11         N/A            N/A              N/A
Dec 1945         36.44         31.60          73.61         2.25         N/A            N/A              N/A
Dec 1946         -8.07         -4.40         -11.63        18.16         N/A            N/A              N/A
Dec 1947          5.71          7.61           0.92         9.01         N/A            N/A              N/A
Dec 1948          5.50          4.27          -2.11         2.71         N/A            N/A              N/A
Dec 1949         18.79         20.92          19.75        -1.80         N/A            N/A              N/A
Dec 1950         31.71         26.40          38.75         5.79         N/A            N/A              N/A
Dec 1951         24.02         21.77           7.80         5.87         N/A            N/A              N/A
Dec 1952         18.37         14.58           3.03         0.88         N/A            N/A              N/A
Dec 1953         -0.99          2.02          -6.49         0.62         N/A            N/A              N/A
Dec 1954         52.62         51.25          60.58        -0.50         N/A            N/A              N/A
Dec 1955         31.56         26.58          20.44         0.37         N/A            N/A              N/A
Dec 1956          6.56          7.10           4.28         2.86         N/A            N/A              N/A
Dec 1957        -10.78         -8.63         -14.57         3.02         N/A            N/A              N/A
Dec 1958         43.36         39.31          64.89         1.76         N/A            N/A              N/A
Dec 1959         11.96         20.21          16.40         1.50         N/A            N/A              N/A
Dec 1960          0.47         -6.14          -3.29         1.48         N/A            N/A              N/A
Dec 1961         26.89         22.60          32.09         0.67         N/A            N/A              N/A
Dec 1962         -8.73         -7.43         -11.90         1.22         N/A            N/A              N/A
Dec 1963         22.80         20.83          23.57         1.65         N/A            N/A              N/A
    
</TABLE>

<PAGE>


   
                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<TABLE>
<S>             <C>         <C>            <C>             <C>          <C>             <C>          <C>                
                               Dow                                        S&P/          S&P/
                 S&P          Jones        U.S. Small                  BARRA 500        BARRA        Merrill Lynch
                 500        Industrial        Stock         U.S.         Growth          500           Micro-Cap
                             Average          Index       Inflation                     Value            Index
    
- ----------------------------------------------------------------------------------------------------------------------
   
Dec 1964        16.48         18.85           23.52         1.19          N/A            N/A              N/A
Dec 1965        12.45         14.39           41.75         1.92          N/A            N/A              N/A
Dec 1966       -10.06        -15.78           -7.01         3.35          N/A            N/A              N/A
Dec 1967        23.98         19.16           83.57         3.04          N/A            N/A              N/A
Dec 1968        11.06          7.93           35.97         4.72          N/A            N/A              N/A
Dec 1969        -8.50        -11.78          -25.05         6.11          N/A            N/A              N/A
Dec 1970         4.01          9.21          -17.43         5.49          N/A            N/A              N/A
Dec 1971        14.31          9.83           16.50         3.36          N/A            N/A              N/A
Dec 1972        18.98         18.48            4.43         3.41          N/A            N/A              N/A
Dec 1973       -14.66        -13.28          -30.90         8.80          N/A            N/A              N/A
Dec 1974       -26.47        -23.58          -19.95        12.20          N/A            N/A              N/A
Dec 1975        37.20         44.75           52.82         7.01         31.72          43.38             N/A
Dec 1976        23.84         22.82           57.38         4.81         13.84          34.93             N/A
Dec 1977        -7.18        -12.84           25.38         6.77        -11.82          -2.57             N/A
Dec 1978         6.56          2.79           23.46         9.03          6.78           6.16            27.76
Dec 1979        18.44         10.55           43.46        13.31         15.72          21.16            43.18
Dec 1980        32.42         22.17           39.88        12.40         39.40          23.59            32.32
Dec 1981        -4.91         -3.57           13.88         8.94         -9.81           0.02             9.18
Dec 1982        21.41         27.11           28.01         3.87         22.03          21.04            33.62
Dec 1983        22.51         25.97           39.67         3.80         16.24          28.89            42.44
Dec 1984         6.27          1.31           -6.67         3.95          2.33          10.52           -14.97
Dec 1985        32.16         33.55           24.66         3.77         33.31          29.68            22.89
Dec 1986        18.47         27.10            6.85         1.13         14.50          21.67             3.45
Dec 1987         5.23          5.48           -9.30         4.41          6.50           3.68           -13.84
Dec 1988        16.81         16.14           22.87         4.42         11.95          21.67            22.76
Dec 1989        31.49         32.19           10.18         4.65         36.40          26.13             8.06
Dec 1990        -3.17         -0.56          -21.56         6.11          0.20          -6.85           -29.55
Dec 1991        30.55         24.19           44.63         3.06         38.37          22.56            57.44
Dec 1992         7.67          7.41           23.35         2.90          5.07          10.53            36.62
Dec 1993         9.99         16.94           20.98         2.75          1.68          18.60            31.32
Dec 1994         1.31          5.06            3.11         2.67          3.13          -0.64             1.81
Dec 1995        37.43         36.84           34.46         2.54         38.13          36.99            30.70
Dec 1996        23.07         28.84           17.62         3.32         23.96          21.99            13.88
Dec 1997        33.36         24.88           22.78         1.92         36.52          29.98            24.61
    
</TABLE>

<PAGE>


   
                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<TABLE>
<S>             <C>           <C>                <C>          <C>          <C>             <C>            
                  Long-       Intermediate-      MSCI                      Long-
                  Term          Term U.S.        EAFE         6-         Term U.S.          U.S.
               U.S. Gov't      Government       (Net of      Month       Corporate         T-Bill
                  Bonds           Bonds         Taxes)        CDs          Bonds          (30-Day)
    
- ------------------------------------------------------------------------------------------------------
   
Dec 1925           N/A             N/A            N/A         N/A            N/A             N/A
Dec 1926          7.77            5.38            N/A         N/A           7.37            3.27
Dec 1927          8.93            4.52            N/A         N/A           7.44            3.12
Dec 1928          0.10            0.92            N/A         N/A           2.84            3.56
Dec 1929          3.42            6.01            N/A         N/A           3.27            4.75
Dec 1930          4.66            6.72            N/A         N/A           7.98            2.41
Dec 1931         -5.31           -2.32            N/A         N/A          -1.85            1.07
Dec 1932         16.84            8.81            N/A         N/A          10.82            0.96
Dec 1933         -0.07            1.83            N/A         N/A          10.38            0.30
Dec 1934         10.03            9.00            N/A         N/A          13.84            0.16
Dec 1935          4.98            7.01            N/A         N/A           9.61            0.17
Dec 1936          7.52            3.06            N/A         N/A           6.74            0.18
Dec 1937          0.23            1.56            N/A         N/A           2.75            0.31
Dec 1938          5.53            6.23            N/A         N/A           6.13           -0.02
Dec 1939          5.94            4.52            N/A         N/A           3.97            0.02
Dec 1940          6.09            2.96            N/A         N/A           3.39            0.00
Dec 1941          0.93            0.50            N/A         N/A           2.73            0.06
Dec 1942          3.22            1.94            N/A         N/A           2.60            0.27
Dec 1943          2.08            2.81            N/A         N/A           2.83            0.35
Dec 1944          2.81            1.80            N/A         N/A           4.73            0.33
Dec 1945         10.73            2.22            N/A         N/A           4.08            0.33
Dec 1946         -0.10            1.00            N/A         N/A           1.72            0.35
Dec 1947         -2.62            0.91            N/A         N/A          -2.34            0.50
Dec 1948          3.40            1.85            N/A         N/A           4.14            0.81
Dec 1949          6.45            2.32            N/A         N/A           3.31            1.10
Dec 1950          0.06            0.70            N/A         N/A           2.12            1.20
Dec 1951         -3.93            0.36            N/A         N/A          -2.69            1.49
Dec 1952          1.16            1.63            N/A         N/A           3.52            1.66
Dec 1953          3.64            3.23            N/A         N/A           3.41            1.82
Dec 1954          7.19            2.68            N/A         N/A           5.39            0.86
Dec 1955         -1.29           -0.65            N/A         N/A           0.48            1.57
Dec 1956         -5.59           -0.42            N/A         N/A          -6.81            2.46
Dec 1957          7.46            7.84            N/A         N/A           8.71            3.14
Dec 1958         -6.09           -1.29            N/A         N/A          -2.22            1.54
Dec 1959         -2.26           -0.39            N/A         N/A          -0.97            2.95
Dec 1960         13.78           11.76            N/A         N/A           9.07            2.66
    
</TABLE>

<PAGE>


   
                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<TABLE>
<S>              <C>          <C>               <C>         <C>           <C>             <C>            
                  Long-       Intermediate-      MSCI                      Long-
                  Term          Term U.S.        EAFE         6-         Term U.S.          U.S.
               U.S. Gov't      Government       (Net of      Month       Corporate         T-Bill
                  Bonds           Bonds         Taxes)        CDs          Bonds          (30-Day)
    
- ------------------------------------------------------------------------------------------------------
   
Dec 1961          0.97            1.85            N/A         N/A           4.82            2.13
Dec 1962          6.89            5.56            N/A         N/A           7.95            2.73
Dec 1963          1.21            1.64            N/A         N/A           2.19            3.12
Dec 1964          3.51            4.04            N/A        4.17           4.77            3.54
Dec 1965          0.71            1.02            N/A        4.68          -0.46            3.93
Dec 1966          3.65            4.69            N/A        5.76           0.20            4.76
Dec 1967          9.18            1.01            N/A        5.47          -4.95            4.21
Dec 1968          0.26            4.54            N/A        6.45           2.57            5.21
Dec 1969         -5.07           -0.74            N/A        8.70          -8.09            6.58
Dec 1970         12.11           16.86         -11.66        7.06          18.37            6.52
Dec 1971         13.23            8.72          29.59        5.36          11.01            4.39
Dec 1972          5.69            5.16          36.35        5.39           7.26            3.84
Dec 1973         -1.11            4.61         -14.92        8.60           1.14            6.93
Dec 1974          4.35            5.69         -23.16       10.20          -3.06            8.00
Dec 1975          9.20            7.83          35.39        6.51          14.64            5.80
Dec 1976         16.75           12.87           2.54        5.22          18.65            5.08
Dec 1977         -0.69            1.41          18.06        6.11           1.71            5.12
Dec 1978         -1.18            3.49          32.62       10.21          -0.07            7.18
Dec 1979         -1.23            4.09           4.75       11.90          -4.18           10.38
Dec 1980         -3.95            3.91          22.58       12.33          -2.76           11.24
Dec 1981          1.86            9.45          -2.28       15.50          -1.24           14.71
Dec 1982         40.36           29.10          -1.86       12.18          42.56           10.54
Dec 1983          0.65            7.41          23.69        9.65           6.26            8.80
Dec 1984         15.48           14.02           7.38       10.65          16.86            9.85
Dec 1985         30.97           20.33          56.16        7.82          30.09            7.72
Dec 1986         24.53           15.14          69.44        6.30          19.85            6.16
Dec 1987         -2.71            2.90          24.63        6.59          -0.27            5.47
Dec 1988          9.67            6.10          28.27        8.15          10.70            6.35
Dec 1989         18.11           13.29          10.54        8.27          16.23            8.37
Dec 1990          6.18            9.73         -23.45        7.85           6.78            7.81
Dec 1991         19.30           15.46          12.13        4.95          19.89            5.60
Dec 1992          8.05            7.19         -12.17        3.27           9.39            3.51
Dec 1993         18.24           11.24          32.56        2.88          13.19            2.90
Dec 1994         -7.77           -5.14           7.78        5.40          -5.76            3.90
Dec 1995         31.67           16.80          11.21        5.21          27.20            5.60
Dec 1996         -0.93            2.10           6.05        5.21           1.40            5.21
Dec 1997         15.85            8.38           1.78        5.71          12.95            5.26
    
</TABLE>

<PAGE>


   
                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<TABLE>
<S>              <C>          <C>          <C>              <C>           <C>              <C>             <C>         
                 NAREIT                                                   Lipper           MSCI
                 Equity       Russell       Wilshire                     Balanced        Emerging           Bank
                  REIT         2000       Real Estate        S&P           Fund          Markets          Savings
                 Index         Index       Securities        400           Index        Free Index        Account
    
- -----------------------------------------------------------------------------------------------------------------------
   
Dec 1925          N/A           N/A           N/A            N/A            N/A            N/A              N/A
Dec 1926          N/A           N/A           N/A            N/A            N/A            N/A              N/A
Dec 1927          N/A           N/A           N/A            N/A            N/A            N/A              N/A
Dec 1928          N/A           N/A           N/A            N/A            N/A            N/A              N/A
Dec 1929          N/A           N/A           N/A            N/A            N/A            N/A              N/A
Dec 1930          N/A           N/A           N/A            N/A            N/A            N/A              5.30
Dec 1931          N/A           N/A           N/A            N/A            N/A            N/A              5.10
Dec 1932          N/A           N/A           N/A            N/A            N/A            N/A              4.10
Dec 1933          N/A           N/A           N/A            N/A            N/A            N/A              3.40
Dec 1934          N/A           N/A           N/A            N/A            N/A            N/A              3.50
Dec 1935          N/A           N/A           N/A            N/A            N/A            N/A              3.10
Dec 1936          N/A           N/A           N/A            N/A            N/A            N/A              3.20
Dec 1937          N/A           N/A           N/A            N/A            N/A            N/A              3.50
Dec 1938          N/A           N/A           N/A            N/A            N/A            N/A              3.50
Dec 1939          N/A           N/A           N/A            N/A            N/A            N/A              3.40
Dec 1940          N/A           N/A           N/A            N/A            N/A            N/A              3.30
Dec 1941          N/A           N/A           N/A            N/A            N/A            N/A              3.10
Dec 1942          N/A           N/A           N/A            N/A            N/A            N/A              3.00
Dec 1943          N/A           N/A           N/A            N/A            N/A            N/A              2.90
Dec 1944          N/A           N/A           N/A            N/A            N/A            N/A              2.80
Dec 1945          N/A           N/A           N/A            N/A            N/A            N/A              2.50
Dec 1946          N/A           N/A           N/A            N/A            N/A            N/A              2.20
Dec 1947          N/A           N/A           N/A            N/A            N/A            N/A              2.30
Dec 1948          N/A           N/A           N/A            N/A            N/A            N/A              2.30
Dec 1949          N/A           N/A           N/A            N/A            N/A            N/A              2.40
Dec 1950          N/A           N/A           N/A            N/A            N/A            N/A              2.50
Dec 1951          N/A           N/A           N/A            N/A            N/A            N/A              2.60
Dec 1952          N/A           N/A           N/A            N/A            N/A            N/A              2.70
Dec 1953          N/A           N/A           N/A            N/A            N/A            N/A              2.80
Dec 1954          N/A           N/A           N/A            N/A            N/A            N/A              2.90
Dec 1955          N/A           N/A           N/A            N/A            N/A            N/A              2.90
Dec 1956          N/A           N/A           N/A            N/A            N/A            N/A              3.00
Dec 1957          N/A           N/A           N/A            N/A            N/A            N/A              3.30
Dec 1958          N/A           N/A           N/A            N/A            N/A            N/A              3.38
Dec 1959          N/A           N/A           N/A            N/A            N/A            N/A              3.53
Dec 1960          N/A           N/A           N/A            N/A           5.77            N/A              3.86
Dec 1961          N/A           N/A           N/A            N/A           20.59           N/A              3.90
    
</TABLE>

<PAGE>


   
                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
<TABLE>
<S>              <C>          <C>          <C>               <C>         <C>               <C>             <C> 
                 NAREIT                                                   Lipper           MSCI
                 Equity       Russell       Wilshire                     Balanced        Emerging           Bank
                  REIT         2000       Real Estate        S&P           Fund          Markets          Savings
                 Index         Index       Securities        400           Index        Free Index        Account
    
- -----------------------------------------------------------------------------------------------------------------------
   
Dec 1962          N/A           N/A           N/A            N/A           -6.80           N/A              4.08
Dec 1963          N/A           N/A           N/A            N/A           13.10           N/A              4.17
Dec 1964          N/A           N/A           N/A            N/A           12.36           N/A              4.19
Dec 1965          N/A           N/A           N/A            N/A            9.80           N/A              4.23
Dec 1966          N/A           N/A           N/A            N/A           -5.86           N/A              4.45
Dec 1967          N/A           N/A           N/A            N/A           15.09           N/A              4.67
Dec 1968          N/A           N/A           N/A            N/A           13.97           N/A              4.68
Dec 1969          N/A           N/A           N/A            N/A           -9.01           N/A              4.80
Dec 1970          N/A           N/A           N/A            N/A            5.62           N/A              5.14
Dec 1971          N/A           N/A           N/A            N/A           13.90           N/A              5.30
Dec 1972          8.01          N/A           N/A            N/A           11.13           N/A              5.37
Dec 1973        -15.52          N/A           N/A            N/A          -12.24           N/A              5.51
Dec 1974        -21.40          N/A           N/A            N/A          -18.71           N/A              5.96
Dec 1975         19.30          N/A           N/A            N/A           27.10           N/A              6.21
Dec 1976         47.59          N/A           N/A            N/A           26.03           N/A              6.23
Dec 1977         22.42          N/A           N/A            N/A           -0.72           N/A              6.39
Dec 1978         10.34          N/A          13.04           N/A            4.80           N/A              6.56
Dec 1979         35.86         43.09         70.81           N/A           14.67           N/A              7.29
Dec 1980         24.37         38.58         22.08           N/A           19.70           N/A              8.78
Dec 1981          6.00          2.03          7.18           N/A            1.86           N/A             10.71
Dec 1982         21.60         24.95         24.47          22.68          30.63           N/A             11.19
Dec 1983         30.64         29.13         27.61          26.10          17.44           N/A              9.71
Dec 1984         20.93         -7.30         20.64           1.18           7.46           N/A              9.92
Dec 1985         19.10         31.05         22.20          35.58          29.83           N/A              9.02
Dec 1986         19.16          5.68         20.30          16.21          18.43           N/A              7.84
Dec 1987         -3.64         -8.77         -7.86          -2.03           4.13           N/A              6.92
Dec 1988         13.49         24.89         24.18          20.87          11.18          40.43             7.20
Dec 1989          8.84         16.24          2.37          35.54          19.70          64.96             7.91
Dec 1990        -15.35        -19.51        -33.46          -5.12          0.66          -10.55            7.80
Dec 1991         35.70         46.05         20.03          50.10          25.83          59.91             4.61
Dec 1992         14.59         18.41          7.36          11.91           7.46          11.40             2.89
Dec 1993         19.65         18.91         15.24          13.96          11.95          74.83             2.73
Dec 1994          3.17         -1.82          1.64          -3.57          -2.05          -7.32             4.96
Dec 1995         15.27         28.44         13.65          30.94          24.89          -5.21             5.24
Dec 1996         35.26         16.53         36.87          19.20          13.01           6.03             4.95
Dec 1997         20.29         22.36         19.80          32.26          20.05         -11.59            5.17
</TABLE>
Source:  Lipper Analytical Services. Inc.
    


<PAGE>


                                               
   
                                   APPENDIX C

                            OTHER PIONEER INFORMATION

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

As of December 31, 1997,  PMC employed a  professional  investment  staff of 58,
with a  combined  average  of 12 years'  experience  in the  financial  services
industry.

Total  assets  of  all  Pioneer   mutual  funds  at  December  31,  1997,   were
approximately $19.8 billion representing 1,177,148 shareholder accounts, 791,468
non-retirement accounts and 385,680 retirement accounts.
    





- --------
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.

  
<PAGE>
                                      
                             PIONEER MICRO-CAP FUND

                            PART C. OTHER INFORMATION


Item 24.  Financial Statements and Exhibits

   
                  (a)      Financial Statements:


                           The financial  highlights of the  Registrant  for the
                           fiscal period ended November 30, 1997 are included in
                           Part  A  of  the   Registration   Statement  and  the
                           financial    statements   of   the   Registrant   are
                           incorporated   by  reference   into  Part  B  of  the
                           Registration Statement from the 1997 Annual Report to
                           Shareholders  for the period ended  November 30, 1997
                           (filed  electronically  on January 28, 1998, file no.
                           811-7985;  accession number 0001025187-98-000003)(the
                           "Annual Report").

                  (b)      Exhibits:

                           1.1       Agreement and Declaration of Trust*

                           1.2       Certificate of Trust*

                           2.        By-Laws*

                           3.        None

                           4.1       Specimen Class A Share Certificate*

                           5.        Form of Management Contract*

                           6.1.      Form of Underwriting Agreement*

                           6.2.      Form of Dealer Sales Agreement*

                           7.        None

                           8.2.      Form of Custodian Agreement
                                     with Brown Brothers Harriman & Co.*

                           9.        Form of Investment Company Service 
                                     Agreement*

                           10.       Opinion of Counsel**

                           11.       Consent of Arthur Andersen LLP+

                           12.       None

                           13.       Form of Share Purchase Agreement*

                           14.       None

                           15.1      Class A Distribution Plan*

                           15.2      Class B Distribution Plan*

                           16.      Description of Average Annual Total Return
                                    Calculation

                           17.      Financial Data Schedule+

                           18.      Multiclass Plan Pursuant to Rule 18f-3*

                           19.      Powers of Attorney***

                           19.1     Power of Attorney for Mary K. Bush+

+     Filed herewith.

*     Filed with the initial  Registration  Statement  on December  23, 1996 and
      incorporated herein by reference.

**    To be filed by amendment.

***   Filed with Pre-Effective  Amendment No. 1 to the Registration Statement on
      February 21, 1997 and incorporated herein by reference.
    


Item 25. Persons Controlled By or Under Common Control with Registrant.
                 No person is controlled by the  Registrant.  A common  control
relationship could exist from a management  perspective because the Chairman and
President of the Registrant owns  approximately 14% of the outstanding shares of
The Pioneer Group, Inc. (PGI), the parent company of the Registrant's investment
adviser,  and certain  Trustees or officers of the  Registrant  (i) hold similar
positions with other investment companies advised by PGI and (ii) are directors
or  officers of PGI and/or its direct or indirect  subsidiaries.  The  following
lists  all  U.S.  and the  principal  non-U.S.  subsidiaries  of PGI  and  those
registered  investment  companies  with a common or  similar  Board of  Trustees
advised by PGI.
   
<TABLE>
<S>                                                 <C>          <C>                <C>
                                                   Owned By    Percent of Shares    State/Country of
                     Company                                                        Incorporation
Pioneering Management Corp. (PMC)                   PGI          100%                DE
Pioneer Funds Distributor, Inc. (PFD)               PMC          100%                MA
Pioneer Explorer, Inc. (PEI)                        PMC          100%                DE
Pioneer Fonds Marketing GmbH (GmbH)                 PFD          100%                Germany
Pioneer Forest, Inc. (PFI)                          PGI          100%                DE
CJSC "Forest-Starma" (Forest-Starma)                PFI          95%                 Russia
Pioneer Metals and Technology, Inc. (PMT)           PGI          100%                DE
Pioneer Capital Corp. (PCC)                         PGI          100%                DE
Pioneer SBIC Corp.                                  PCC          100%                MA
Pioneer Real Estate Advisors, Inc. (PREA)           PGI          100%                DE
Pioneer Management (Ireland) Ltd. (PMIL)            PGI          100%                Ireland
Pioneer Plans Corporation (PPC)                     PGI          100%                DE
PIOGlobal Corp. (PIOGlobal)                         PGI          100%                DE
Pioneer Investments Corp. (PIC)                     PGI          100%                MA
Pioneer Goldfields Holdings, Inc. (PGH)             PGI          100%                DE
Pioneer Goldfields Ltd. (PGL)                       PGH          100%                Guernsey
Teberebie Goldfields Ltd. (TGL)                     PGL          90%                 Ghana
Pioneer Omega, Inc. (Omega)                         PGI          100%                DE
Pioneer First Russia, Inc. (First Russia)           Omega        81.65%              DE
Pioneering Services Corp. (PSC)                     PGI          100%                MA
Pioneer International Corp. (PIntl)                 PGI          100%                DE
Pioneer First Polish Trust Fund JSC, S.A. (First
Polish)                                             PIntl        100%                Poland
Pioneer Czech Investment Company, A.S.
(Pioneer Czech)                                     PIntl        100%                Czech Republic
</TABLE>
Registered  investment  companies that are parties to management  contracts with
PMC:

Funds                                               Business Trust
Pioneer International Growth Fund                   MA
Pioneer World Equity Fund                           DE
Pioneer Europe Fund                                 MA
Pioneer Emerging Markets Fund                       DE
Pioneer India Fund                                  DE
Pioneer Growth Trust                                MA
Pioneer Mid-Cap Fund                                DE
Pioneer Growth Shares                               DE
Pioneer Small Company Fund                          DE
Pioneer Fund                                        DE
Pioneer II                                          DE
Pioneer Real Estate Shares                          DE
Pioneer Short-Term Income Trust                     MA
Pioneer America Income Trust                        MA
Pioneer Bond Fund                                   MA
Pioneer Balanced Fund                               DE
Pioneer Intermediate Tax-Free Fund                  MA
Pioneer Tax-Free Income Fund                        DE
Pioneer Money Market Trust                          DE
Pioneer Variable Contracts Trust                    DE
Pioneer Interest Shares                             DE
Pioneer Micro-Cap Fund                              DE

         The  following  table lists John F. Cogan,  Jr.'s  positions  with the
investment  companies,  PGI and  principal  direct or indirect PGI  subsidiaries
referenced above and the Registrant's counsel.

                                                   Trustee/
         Entity        Chairman    President       Director          Other
Pioneer mutual funds
                           X           X              X
PGL
                           X           X              X
PGI
                           X           X              X
PPC
                                       X              X
PIC
                                       X              X
PIntl
                                       X              X
PMT
                                       X              X
Omega
                                       X              X
PIOGlobal
                                       X              X
First Russia
                                       X              X
PCC
                                                      X
PSC
                                                      X
PMIL
                                                      X
PEI
                                                      X
PFI
                                                      X
PREA
                                                      X
Forest-Starma
                                                      X
PMC
                           X                          X
PFD
                           X                          X
TGL
                           X                          X
First Polish
                                                              Chairman of
                                                              Supervisory Board

GmbH                                                          Chairman of
                                                              Supervisory Board

Pioneer Czech                                                 Chairman of
                                                              Supervisory Board

Hale and Dorr LLP                                             Partner
    
   
Item 26.  Number of Holders of Securities


                                                       Number of Record Holders
         Title of Class                                as of February 28, 1998
         --------------                               ---------------------

         Class A Shares                                                4,536

         Class B Shares                                                5,577
    

Item 27. Indemnification

                  Except  for the  Agreement  and  Declaration  of Trust,  dated
December 3, 1996,  establishing  the  Registrant as a trust under  Delaware law,
there is no contract,  arrangement or statute under which any director, officer,
underwriter or affiliated  person of the  Registrant is insured or  indemnified.
The Declaration of Trust provides that no Trustee or officer will be indemnified
against any  liability  of which the  Registrant  would  otherwise be subject by
reason of or for willful  misfeasance,  bad faith,  gross negligence or reckless
disregard of such person's duties.

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


Item 28. Business and Other Connections of Investment Adviser

                  All of the  information  required by this item is set forth in
the Form ADV, as amended, of Pioneering  Management  Corporation.  The following
sections of such Form ADV are incorporated herein by reference:

          (a)      Items 1 and 2 of Part 2;

          (b)      Section IV, Business Background, of each Schedule D.


Item 29. Principal Underwriter

                  (a)  See Item 25 above.

                  (b)  Directors and Officers of PFD:


<PAGE>
                           Positions and Offices         Positions and Offices
         Name               with Underwriter              with Registrant

John F. Cogan, Jr.          Director and Chairman          Chairman of the
                                                           Board, President
                                                           and Trustee

Robert L. Butler            Director and President         None

David D. Tripple            Director                       Executive Vice
                                                           President and
                                                           Trustee

Steven M. Graziano          Senior Vice President          None

Stephen W. Long             Senior Vice President          None

Barry G. Knight             Vice President                 None

William A. Misata           Vice President                 None

Anne W. Patenaude           Vice President                 None

Elizabeth B. Bennett        Vice President                 None

Gail A. Smyth               Vice President                 None

Constance D. Spiros         Vice President                 None

Marcy L. Supovitz           Vice President                 None

Mary Kleeman                Vice President                 None

Steven R. Berke             Assistant Vice President       None

Steven H. Forss             Assistant Vice President       None

Mary Sue Hoban              Assistant Vice President       None

Debra A. Levine             Assistant Vice President       None

Junior Roy McFarland        Assistant Vice President       None

Marie E. Moynihan           Assistant Vice President       None

William H. Keough           Treasurer                      Treasurer

Roy P. Rossi                Assistant Treasurer            None

Joseph P. Barri             Clerk                          Secretary

Robert P. Nault             Assistant Clerk                Assistant Secretary

The principal  business address of each of these individuals is 60 State Street,
Boston, Massachusetts 02109-1820.


                  (c)  Not applicable.


Item 30. Location of Accounts and Records

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


Item 31. Management Services

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

Item 32. Undertakings

                  (a)  Not Applicable.

                  (b)  Not Applicable.

                  (c) The Registrant hereby undertakes to deliver or cause to be
delivered with the Prospectus,  to each person to whom the Prospectus is sent or
given, a copy of the Registrant's  report to shareholders  furnished pursuant to
and meeting the requirements of Rule 30d-1 from which the specified  information
is incorporated by reference,  unless such person  currently holds securities of
the Registrant  and otherwise has received a copy of such report,  in which case
the  Registrant  shall state in the  Prospectus  that it will  furnish,  without
charge,  a copy of such report on request,  and the name,  address and telephone
number of the person to whom such a request should be directed.



<PAGE>





                                   SIGNATURES



   
         Pursuant  to the  requirements  of the  Securities  Act of 1933 and the
Investment  Company Act of 1940, the Registrant  certifies that it meets all the
requirements for effectiveness  pursuant to Rule 485(b) under the Securities Act
of  1933  and  has  duly  caused  this  Post-Effective  Amendment  No.  2 to the
Registration  Statement  (the  "Amendment")  to be signed  on its  behalf by the
undersigned, thereto duly authorized, in the City of Boston and The Commonwealth
of Massachusetts, on the 30th day of March, 1998.
    


                                                  PIONEER MICRO-CAP FUND


                                        By:       /s/John F. Cogan, Jr.
                                                  ------------------------
                                                  John F. Cogan, Jr.
                                                  Chairman and President


         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
Post-Effective  Amendment to the Registration Statement has been signed below by
the following persons in the capacities and on the date indicated:



<PAGE>

  Signature                             Title                             




/s/John F. Cogan, Jr.                                )           
- ------------------------                             )
John F. Cogan, Jr.           Chairman of the Board   )
                             and President           )
                             (Principal Executive    )
                             Officer)                )
                                                     )
                                                     )
William H. Keough*                                   )
- ------------------------      Principal              )
William H. Keough             Financial and          )
                              Accounting             )
                              Officer                )
                                                     )
Trustees:                                            )
                                                     )
                                                     )
                                                     )
/s/John F. Cogan, Jr.                                )
- ------------------------                             )
John F. Cogan, Jr.                                   )
                                                     )
                                                    
Mary K. Bush*                                        )
Mary K. Bush                                         )
                                                   
                                                     )
Richard H. Egdahl, M.D.*                             )
Richard H. Egdahl, M.D.                              )

Margaret B.W. Graham*                                )
Margaret B.W. Graham                                 )
                                                     )
John W. Kendrick*                                    )
John W. Kendrick                                     )
                                                     )                          
                                                     )
Marguerite A. Piret*                                 )
Marguerite A. Piret                                  )
                                                     )
                                                     )
David D. Tripple*                                    )
David D. Tripple                                     )
                                                     )
                                                     )
Stephen K. West*                                     )
Stephen K. West                                      )
                                                     )
John Winthrop*                                       )
John Winthrop                                        )



   
*By: /s/John F. Cogan, Jr.           Dated: March  30, 1998
    -------------------------
    John F. Cogan, Jr.
    Attorney-in-Fact
    


<PAGE>


                                 Exhibit Index

Exhibit                                                              
Number            Document Title                                    

11.               Consent of Independent Public Accountants

17.               Financial Data Schedule
                  (Filed as Exhibit 27)

19.               Power of Attorney for Mary K. Bush




        
                   Consent of Independent Public Accountants



As independent  public  accountants,  we hereby consent to the  incorporation by
reference in this registration statement of our report dated January 5, 1998 for
Pioneer  Micro-Cap  Fund and to all references to our firm included in or made a
part of  Post-Effective  Amendment  No. 2 and  Amendment  No. 3 to  registration
statement File Nos. 333-18639 and 811-07985, respectively.




                                                             Arthur Andersen LLP




Boston, Massachusetts
March 26, 1998



                          PIONEER EMERGING MARKETS FUND
                               PIONEER EUROPE FUND
                              PIONEER GROWTH TRUST
                               PIONEER INDIA FUND
                        PIONEER INTERNATIONAL GROWTH FUND
                            PIONEER WORLD EQUITY FUND
                              PIONEER GROWTH SHARES
                              PIONEER MID-CAP FUND
                           PIONEER SMALL COMPANY FUND
                             PIONEER MICRO-CAP FUND
                              PIONEER BALANCED FUND
                                  PIONEER FUND
                                   PIONEER II
                           PIONEER REAL ESTATE SHARES
                          PIONEER AMERICA INCOME TRUST
                                PIONEER BOND FUND
                         PIONEER SHORT TERM INCOME TRUST
                       PIONEER INTERMEDIATE TAX-FREE FUND
                           PIONEER MONEY MARKET TRUST


                                POWER OF ATTORNEY

                              Dated October 7, 1997

         I,  the  undersigned  Trustee  of each of the  above-listed  registered
investment  companies  (each  a  "Fund"),  each a  Delaware  or a  Massachusetts
business  trust, do hereby  constitute and appoint John F. Cogan,  Jr., David D.
Tripple,  and Joseph P. Barri,  and each of them acting  singly,  to be my true,
sufficient  and lawful  attorneys,  with full power to each of them, and each of
them  acting  singly,  to sign for me, in my name and in my capacity as trustee,
any and all amendments to the Registration Statement on Form N-1A to be filed by
each Fund under the Investment Company Act of 1940, as amended (the "1940 Act"),
and under the Securities Act of 1933, as amended (the "1933 Act"),  with respect
to the  offering  of its  shares of  beneficial  interest  and any and all other
documents and papers relating thereto, and generally to do all such things in my
name and on my behalf in my  capacity  as trustee to enable  each Fund to comply
with the 1940 Act and the 1933 Act, and all  requirements  of the Securities and
Exchange Commission thereunder,  hereby ratifying and confirming my signature as
it may be signed by said  attorneys or each of them to any and all amendments to
said Registration Statement.

         IN WITNESS WHEREOF,  I have hereunder set my hand on this Instrument as
of the date first written above.


 
                                                /s/ Mary K. Bush

                                                Mary K. Bush, Trustee






 


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   <NUMBER> 001
   <NAME> PIONEER MICROCAP FUND CLASS A
              
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<ACCUMULATED-NET-GAINS>                        7519482
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<DIVIDEND-INCOME>                               212794
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<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 1142138
<NET-INVESTMENT-INCOME>                       (514454)
<REALIZED-GAINS-CURRENT>                       7941761
<APPREC-INCREASE-CURRENT>                      3230097
<NET-CHANGE-FROM-OPS>                         10657404
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
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<NET-CHANGE-IN-ASSETS>                       122695509
<ACCUMULATED-NII-PRIOR>                              0
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<GROSS-EXPENSE>                                1358498
<AVERAGE-NET-ASSETS>                          31503230
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<PER-SHARE-NII>                                  (.07)
<PER-SHARE-GAIN-APPREC>                           2.91
<PER-SHARE-DIVIDEND>                                 0
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<PER-SHARE-NAV-END>                              17.84
<EXPENSE-RATIO>                                   1.76
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

        

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<TABLE> <S> <C>

<ARTICLE> 6
<SERIES>
   <NUMBER> 002
   <NAME> PIONEER MICROCAP FUND CLASS B
              
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          NOV-30-1997
<PERIOD-END>                               NOV-30-1997
<INVESTMENTS-AT-COST>                        119886472
<INVESTMENTS-AT-VALUE>                       123116569
<RECEIVABLES>                                  1455170
<ASSETS-OTHER>                                   37960
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               124609699
<PAYABLE-FOR-SECURITIES>                       1035053
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       779137
<TOTAL-LIABILITIES>                            1814190
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     112045930
<SHARES-COMMON-STOCK>                          3994127
<SHARES-COMMON-PRIOR>                             3333
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                        7519482
<OVERDISTRIBUTION-GAINS>                             0
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<DIVIDEND-INCOME>                               212794
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<OTHER-INCOME>                                       0
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<NET-INVESTMENT-INCOME>                       (514454)
<REALIZED-GAINS-CURRENT>                       7941761
<APPREC-INCREASE-CURRENT>                      3230097
<NET-CHANGE-FROM-OPS>                         10657404
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        4105789
<NUMBER-OF-SHARES-REDEEMED>                     114995
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                       122695509
<ACCUMULATED-NII-PRIOR>                              0
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