PIONEER FUND /MA/
DEFS14A, 1996-03-14
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                                  SCHEDULE 14A
                                 (Rule 14a-101)

                     INFORMATION REQUIRED IN PROXY STATEMENT

                            SCHEDULE 14A INFORMATION



                    PROXY STATEMENT PURSUANT TO SECTION 14(A)
             OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )


Filed by the registrant                      [X]


Check the appropriate box:

[ ]   Preliminary proxy statements           [ ]  Confidential, for Use
                                                  of the Commission
                                                  Only (as permitted
                                                  by Rule 14a-6(e)(2))

[X]   Definitive proxy statement

[ ]   Definitive additional materials

[ ]   Soliciting material pursuant to Rule 14a-11(c) or Rule 14a-12


                                  Pioneer Fund

                (Name of Registrant as Specified in Its Charter



                                  Pioneer Fund

                   (Name of Person(s) Filing Proxy Statement)



Payment of filing fee (check the appropriate box):

[X]   $125 per Exchange Act Rule 0-11(c)(1)(ii),  14a-6(i)(1), or 14a-6(i)(2) or
      Item 22(a)(2).


<PAGE>


                                 PIONEER FUND 
                               60 State Street 
                         Boston, Massachusetts 02109 
                                1-800-324-7974
   
                  NOTICE OF SPECIAL MEETING OF SHAREHOLDERS 
    

                      TO BE HELD TUESDAY, APRIL 23, 1996 

   
   A Special Meeting of Shareholders of Pioneer Fund, a Massachusetts 
business trust (the "Fund"), will be held at the offices of Hale and Dorr, 60 
State Street, 26th Floor, Boston, Massachusetts 02109, at 1:00 p.m., Boston 
time, on Tuesday, April 23, 1996 to consider and act upon the following 
Proposals: 
    

   (1) To elect the eight (8) Trustees named in the attached Proxy Statement 
to serve on the Board of Trustees until their successors have been duly 
elected and qualified; 

   (2) To approve a new Management Contract between the Fund and Pioneering 
Management Corporation, the Fund's investment adviser ("PMC"), increasing the 
rate at which management fees are payable to PMC; 

   (3) To approve an Agreement and Plan of Reorganization pursuant to which 
the Fund will be reorganized as a Delaware business trust; 

   (4) To ratify the selection of Arthur Andersen LLP as the Fund's 
independent public accountants for the fiscal year ending December 31, 1996; 

   (5) To approve changes in the Fund's fundamental investment policies, as 
described in the proxy statement; and 

   (6) To transact such other business as may properly come before the 
meeting or any adjournments thereof. 

   
   Shareholders of record as of the close of business on February 27, 1996 
are entitled to vote at the meeting or any adjournments thereof. The Proxy 
Statement and proxy card are being mailed to shareholders on or about March 
18, 1996. 
    

                          By Order of the Board of Trustees

                          Joseph P. Barri, Secretary 

   
Boston, Massachusetts 
March 18, 1996 
    


WHETHER OR NOT YOU EXPECT TO BE PRESENT AT THE MEETING, PLEASE COMPLETE AND 
RETURN THE ENCLOSED PROXY CARD. YOU MAY STILL VOTE IN PERSON IF YOU ATTEND 
THE MEETING. 

   
                                                                     0396-2987 
    


<PAGE>
 

                                 PIONEER FUND 
                               60 State Street 
                         Boston, Massachusetts 02109 
                                1-800-324-7974 

   
                       SPECIAL MEETING OF SHAREHOLDERS 
    
                                APRIL 23, 1996 

                               PROXY STATEMENT 

   
   This Proxy Statement is furnished to shareholders of Pioneer Fund, a 
Massachusetts business trust (the "Fund"), in connection with the 
solicitation of proxies by the Board of Trustees for use at the Special 
Meeting of Shareholders of the Fund, to be held at the offices of Hale and 
Dorr, 60 State Street, 26th Floor, Boston, Massachusetts 02109, at 1:00 p.m., 
Boston time, on Tuesday, April 23, 1996, and at any adjournments thereof (the 
"Meeting"). This Proxy Statement and enclosed proxy are being mailed to 
shareholders on or about March 18, 1996. The Fund's annual report for its 
fiscal period ended December 31, 1995 may be obtained free of charge by 
writing to the Fund at its executive offices, 60 State Street, Boston, 
Massachusetts 02109 or by calling 1-800-324-7974, which number is available 
from March 11, 1996 through April 23, 1996. 
    

   
   Shareholders of record as of the close of business on February 27, 1996 
(the "Record Date") are entitled to vote on all business of the Meeting or 
any adjournments thereof. As of the Record Date, there were outstanding 
100,954,500.449 shares of beneficial interest of the Fund. To the knowledge 
of the management of the Fund, no person beneficially owned more than 5% of 
the outstanding shares of the Fund as of the Record Date. 
    


<PAGE>
 
                                   PROPOSAL 1

                             ELECTION OF TRUSTEES 

   The persons named on the accompanying proxy card intend to vote at the 
Meeting (unless otherwise directed) FOR the election of the eight (8) 
nominees named below as Trustees of the Fund. All of the nominees currently 
serve as Trustees and have been recommended by the Nominating Committee of 
the Trustees which consists solely of Trustees who are not "interested 
persons" of the Fund, Pioneering Management Corporation ("PMC") or Pioneer 
Funds Distributor, Inc. ("PFD") within the meaning of the Investment Company 
Act of 1940, as amended (the "1940 Act"). 

   Each Trustee will be elected to hold office until the next meeting of 
shareholders or until his or her successor is elected and qualified. In 
addition, if Proposal 3 regarding the reorganization of the Fund as a 
Delaware business trust is approved by shareholders, the election of Trustees 
of the Fund shall also be deemed to constitute election as Trustees of the 
Successor Fund (as defined in Proposal 3). Each nominee has consented to 
being named herein and indicated his or her willingness to serve if elected. 
If any such nominee should be unable to serve, an event not now anticipated, 
the persons named as proxies may vote for such other person as shall be 
designated by the Board of Trustees. 

   
   The following table sets forth each nominee's position(s) with the Fund, 
age, address, principal occupation or employment during the past five years, 
directorships and trusteeships, and indicates the date on which he or she 
first became a Trustee of the Fund. The table also shows the number of shares 
of beneficial interest of the Fund beneficially owned by each nominee, 
directly or indirectly, on January 31, 1996. 
<TABLE>
<CAPTION>
                                                                               Shares of Beneficial 
                                                                               Interest of the Fund 
          Name, Age,                Principal Occupation                        Beneficially Owned 
       Position(s) with                or Employment             First       and Percentage of Total 
           the Fund                  and Directorships/         Became a        Shares Outstanding 
         and Address                  Trusteeships (1)          Trustee      on January 31, 1996 (2) 
- -----------------------------    --------------------------   ----------    ------------------------- 
<S>                             <C>                               <C>              <C>
John F. Cogan, Jr.*             President, Chief Executive        1982             195,076.580 
(69)                            Officer and a Director of                             0.19% 
Chairman of the Board,          The Pioneer Group, Inc. 
President and                   ("PGI"); Chairman and a 
Trustee                         Director of PMC, PFD, 
60 State Street                 Pioneer Goldfields Limited 
Boston, MA 02109                ("PGL") and Teberebie 
                                Goldfields Limited; 
                                Director of Pioneer 
                                Services Corporation 
                                ("PSC") and Pioneer 
                                Capital Corporation 
                                ("PCC"); President and 
                                Director of Pioneer Plans 
                                Corporation ("PPC"), 
                                Pioneer Investment 
                                Corporation ("PIC"), 
                                Pioneer Metals and 
                                Technology, Inc. ("PMT") 

                                       2

<PAGE>
 
                                and Pioneer International
                                Corporation ("P.Intl."); 
                                Chairman of the Supervisory 
                                Board of Pioneer Fonds 
                                Marketing GmbH ("Pioneer 
                                GmbH"); Member of the 
                                Supervisory Board of Pioneer 
                                First Polish Trust Fund Joint 
                                Stock Company ("PFPT"); and 
                                Partner, Hale and Dorr 
                                (Counsel to the Fund) 

Richard H. Egdahl, M.D.         Professor of Management,          1992                  0 
(69)                            Boston University School 
Trustee                         of Management; Professor 
Boston University               of Public Health, Boston 
Health Policy                   University School of 
Institute                       Public Health; Professor 
53 Bay State Road               of Surgery, Boston 
Boston, MA 02115                University School of 
                                Medicine: Director, Boston 
                                University Health Policy 
                                Institute and University 
                                Medical Center; Executive 
                                Vice President and Vice 
                                Chairman of the Board, 
                                University Hospital; 
                                Academic Vice President 
                                for Health Affairs, Boston 
                                University; Director, 
                                Essex Investment 
                                Management Company, Inc., 
                                an investment adviser; 
                                Health Payment Review, 
                                Inc., a health care 
                                containment software firm, 
                                Mediplex Group, Inc., a 
                                nursing care facilities 
                                firm, Peer Review 
                                Analysis, Inc., a health 
                                care utilization 
                                management firm, and 
                                Springer-Verlag New York, 
                                Inc., a publisher; and 
                                Honorary Director, 
                                Franciscan Children's 
                                Hospital 

                                       3

<PAGE>
 
Margaret B.W. Graham            Founding Director,                1990                  0 
(48)                            Winthrop Group, Inc., a 
Trustee                         consulting firm, since 
The Keep                        1982; Manager of Research 
P.O. Box 110,                   Operations Xerox Palo Alto 
Little Deer Isle, ME 04650      Research Center, between 
                                1991 and 1994; and 
                                Professor of Operations 
                                Management and Management 
                                of Technology, Boston 
                                University School of 
                                Management, between 1989 
                                and 1993 

John W. Kendrick                Professor Emeritus of             1982              10,327.473 
(78)                            Economics, George                                     0.01% 
Trustee                         Washington University; and 
6363 Waterway Dr.,              Economic Consultant and 
Falls Church, VA 22044          Director, American 
                                Productivity and Quality 
                                Center 

Marguerite A. Piret             President, Newbury, Piret         1982                  0 
(47)                            & Company, Inc., a 
Trustee                         merchant banking firm 
One Boston Place 
Suite 2635 
Boston, MA 02108 

David D. Tripple*               Director and Executive            1986              3,416.465 
(52)                            Vice President of PGI;                                0.00% 
Executive Vice                  President, Chief 
President and                   Investment Officer and a 
Trustee                         Director of PMC; Director 
60 State Street                 of PFD, PCC, Pioneer SBIC 
Boston, MA 02109                Corp., P. Intl. and PIC; 
                                and Member of the 
                                Supervisory Board of PFPT 

Stephen K. West                 Partner, Sullivan &               1993                  0 
(67)                            Cromwell, a law firm 
Trustee 
125 Broad Street 
New York, NY 10004 

                                       4

<PAGE>
 
John Winthrop                   President, John Winthrop &        1985              1,085.137 
(59)                            Co., a private investment                             0.00% 
Trustee                         firm; Director of NUI 
One North Adgers Wharf          Corp.; and Trustee of 
Charleston, SC 29401            Alliance Capital Reserve, 
                                Alliance Government 
                                Reserve and Alliance Tax 
                                Exempt Reserve 
</TABLE>
    


*Messrs. Cogan and Tripple are "interested persons" of the Fund, PMC and PFD 
 within the meaning of the 1940 Act. 
(1) Each nominee also serves as a trustee for each of the 25 open-end 
    investment companies (mutual funds) in the Pioneer family of mutual 
    funds and for each of the 8 portfolios of Pioneer Variable Annuity Trust 
    (except for Messrs. Kendrick and Winthrop and Ms. Graham who do not 
    serve as trustees for Pioneer Variable Contracts Trust) and as a 
    Director of Pioneer Interest Shares, Inc., a closed-end investment 
    company ("Interest Shares"). Except for Dr. Egdahl and Mr. West, each 
    Trustee was elected by the shareholders of the Fund in 1990. Dr. Egdahl 
    and Mr. West were elected by the Trustees in August, 1992 and October, 
    1993, respectively. 
(2) As of January 31, 1996, the Trustees and officers of the Fund 
    beneficially owned, directly or indirectly, in the aggregate less than 1% 
    of the Fund's outstanding shares. 

   
   Ms. Piret, Mr. West and Mr. Winthrop serve on the Audit Committee of the 
Board of Trustees. The functions of the Audit Committee include recommending 
independent auditors to the Trustees, monitoring the independent auditors' 
performance, reviewing the results of audits and responding to certain other 
matters deemed appropriate by the Trustees. Ms. Graham, Ms. Piret and Mr. 
Winthrop serve on the Nominating Committee of the Board of Trustees. The 
primary responsibility of the Nominating Committee is the selection and 
nomination of candidates to serve as independent trustees. The Nominating 
Committee will also consider nominees recommended by shareholders to serve as 
Trustees provided that shareholders submitting such recommendations comply 
with all relevant provisions of Rule 14a-8 under the Securities Exchange Act 
of 1934, as amended (the "Exchange Act"). 
    

   During the fiscal year ended December 31, 1995, the Board of Trustees held 
twelve meetings, the Audit Committee held eight meetings and the Nominating 
Committee did not meet. All of the current Trustees and Committee Members 
then serving attended at least 75% of the meetings of the Board of Trustees 
or applicable committee, if any, held during the fiscal year ended December 
31, 1995. 

Other Executive Officers 

  In addition to Messrs. Cogan and Tripple, who serve as executive officers of 
the Fund, the following table provides information with respect to the other 
executive officers of the 

                                       5

<PAGE>
 
Fund. Each executive officer is elected by the Board of Trustees and serves 
until his successor is chosen and qualified or until his resignation or 
removal by the Board. The business address of all officers of the Fund is 60 
State Street, Boston, Massachusetts 02109. 
<TABLE>
<CAPTION>
 Name, Age and Position with The Fund                     Principal Occupation(s) 
- -------------------------------------    ---------------------------------------------------------- 
<S>                                       <C>
William H. Keough, 58, Treasurer          Senior Vice President, Chief Financial Officer and 
                                          Treasurer of PGI and Treasurer of PFD, PMC, PSC, PPC, 
                                          Pioneer SBIC Corp., PIC, PMT, P. Intl. and of each fund 
                                          in the Pioneer family of mutual funds. 
Joseph P. Barri, 49, Secretary            Secretary of PGI, PMC and PCC, and of each fund in the 
                                          Pioneer family of mutual funds; Clerk of PFD and PSC and 
                                          Partner, Hale and Dorr (counsel to the Fund). 
</TABLE>

Remuneration of Trustees and Officers 

  The following table provides information regarding the compensation paid by 
the Fund and the other investment companies in the Pioneer family of mutual 
funds to the Trustees for their services for the Fund's most recently 
completed fiscal year. Compensation paid by the Fund to Messrs. Cogan and 
Tripple, interested persons of PMC, is reimbursed to the Fund by PMC. The 
Fund pays no salary or other compensation to its officers. 
<TABLE>
<CAPTION>
                                                           Total Compensa- 
                                                            tion from the 
                             Aggregate      Pension or     Fund and other 
                           Compensation     Retirement      funds in the 
                             From the        Benefits      Pioneer Family 
Director                       Fund*         Accrued      of Mutual Funds** 
- -----------------------     -------------    ----------  ------------------ 
<S>                           <C>               <C>           <C>
John F. Cogan, Jr.            $   500           $0            $ 11,000 
Richard H. Egdahl, M.D.         7,197            0              63,315 
Margaret B.W. Graham            7,197            0              62,398 
John W. Kendrick                7,197            0              62,398 
Marguerite A. Piret             8,942            0              76,704 
David D. Tripple                  500            0              11,000 
Stephen K. West                 7,820            0              68,180 
John Winthrop                   8,192            0              71,199 
                            -------------    ----------  ------------------ 
Totals                        $47,545           $0            $426,194 
</TABLE>

 * For the fiscal year ended December 31, 1995. 
** For the calendar year ended December 31, 1995. 

Required Vote 

  In accordance with the Fund's Declaration of Trust, the vote of a plurality 
of all of the shares of the Fund voted at the Meeting is sufficient to elect 
the nominees. 

                                       6

<PAGE>
 
                                   PROPOSAL 2

                     APPROVAL OF NEW MANAGEMENT CONTRACT 

Summary 

   
  PMC serves as the investment adviser for the Pioneer family of mutual funds 
and for certain other institutional accounts. PMC, a registered investment 
adviser under the Investment Advisers Act of 1940, as amended, is a wholly 
owned subsidiary of PGI, a Delaware corporation with publicly traded shares. 
PGI is located at 60 State Street, Boston, Massachusetts 02109. 
    

   
  At a meeting held on February 15, 1996, the Trustees who were present, 
including a majority of the Trustees who are not "interested persons" of the 
Fund or PMC, unanimously approved and voted to recommend that the 
shareholders of the Fund approve a Proposal to terminate the Fund's existing 
Management Contract between PMC and the Fund (the "Existing Contract") and to 
adopt a new Management Contract (the "Proposed Contract"). Under the Proposed 
Contract, the form of which is attached to this Proxy Statement as Exhibit A, 
there will be an increase in the basic rate of management fees paid by the 
Fund to PMC. As described more fully below, depending upon the Fund's 
investment performance relative to a selected securities index, this basic 
fee will be increased or decreased. In all cases, the fee ultimately paid by 
the Fund will be higher than that paid under the Existing Contract. 
    

Existing Management Contract 

  Pursuant to the terms of the Existing Contract, PMC serves as investment 
adviser to the Fund and is responsible for the overall management of the 
Fund's business affairs subject only to the authority of the Board of 
Trustees. PMC is authorized to buy and sell securities for the account of the 
Fund and to designate brokers to carry out such transactions, subject to the 
right of the Trustees to disapprove any such purchase or sale. PMC may not 
make any purchase the cost of which exceeds funds currently available for the 
Fund and may not make any purchase which would violate any fundamental policy 
or restriction with respect to the Fund in the Fund's Prospectus or Statement 
of Additional Information as in effect from time to time. 

   
  PMC pays all expenses, including executive salaries and the rental of office 
space, related to its services for the Fund with the exception of the 
following which are paid by the Fund: (i) charges and expenses for 
determining from time to time the value of the net assets of the Fund and the 
keeping of its books and records, (ii) the charges and expenses of auditors, 
(iii) the charges and expenses of any custodian, transfer agent, plan agent, 
dividend disbursing agent and registrar appointed by the Fund, (iv) brokers' 
commissions and issue and transfer taxes, chargeable to the Fund in 
connection with securities transactions to which the Fund is a party, (v) 
insurance premiums, interest charges, dues and fees for membership in trade 
associations and all taxes and corporate fees payable by the Fund to federal, 
state or other governmental agencies, (vi) fees and expenses involved 
    

                                       7

<PAGE>
 
in registering and maintaining registrations of the Fund and of its shares 
with the Securities and Exchange Commission (the "SEC"), state securities 
agencies and foreign jurisdictions, including the preparation of prospectuses 
and statements of additional information for filing with such agencies, (vii) 
all expenses of shareholders' and Trustees' meetings and of preparing, 
printing and distributing prospectuses, notices, proxy statements and all 
reports to shareholders and to governmental agencies, (viii) charges and 
expenses of legal counsel to the Fund; (ix) if applicable, distribution 
expenses of the Fund pursuant to a Plan of Distribution in accordance with 
Rule 12b-1 promulgated by the SEC pursuant to the 1940 Act, and (x) 
compensation of those Trustees of the Fund who are not affiliated with or 
interested persons of PMC, the Fund (other than as Trustees), PGI, or PFD. 
The Existing Contract was initially approved by the Board of Trustees on July 
10, 1990 and its renewal was most recently approved by the Board at a meeting 
held in April, 1995. On October 12, 1990, the Existing Contract was submitted 
to and approved by the shareholders of the Fund. The Existing Contract is 
renewable annually by the vote of PMC's Board and by vote of a majority of 
the Fund's Board, including a majority of the Trustees who are not 
"interested persons" of the Fund, PMC or PFD, cast in person at a meeting 
called for the purpose of voting on such renewal. The Existing Contract 
terminates if assigned (as defined in the 1940 Act) and may be terminated 
without penalty by either party by vote of its Board or a majority of its 
outstanding voting securities and upon 60 days' written notice. 

  As compensation for its management services and certain expenses which PMC 
incurs on behalf of the Fund, the Fund pays PMC an annual management fee 
under the Existing Contract equal to 0.50% of the Fund's average daily net 
assets up to $250 million, 0.48% of the next $50 million, and 0.45% of the 
excess over $300 million. This fee is computed daily and paid monthly. 

Proposed Management Contract 

  The terms of the Proposed Contract differ materially from those of the 
Existing Contract in respect of the management fees payable to PMC and in 
certain other respects described below. 

Basic Fee 

  As compensation for its management services and certain expenses which PMC 
incurs on behalf of the Fund, the Fund would pay PMC a basic annual 
management fee under the Proposed Contract of 0.60% of the Fund's average 
daily net assets (the "Basic Fee"). An appropriate percentage of the Basic 
Fee rate (based upon the number of days in the current month) would be 
multiplied by the Fund's average daily net assets for the current month, 
giving a dollar amount which is the monthly Basic Fee. 

  The Basic Fee represents an increase in the management fee rate payable to 
PMC over the rates under the Existing Contract. The Board determined that the 
Basic Fee is fair and reasonable, both apart from and together with the 
application of the performance fee adjustment described below. That 
adjustment provides for increases or decreases in the Basic Fee, based upon 
the Fund's performance. 

                                       8

<PAGE>
 
Performance Fee Adjustment 

  The Board of Trustees is proposing the implementation of a performance 
adjustment which will either increase or decrease the monthly Basic Fee paid 
by the Fund to PMC based on the performance of the Fund as compared to the 
investment record (the "record") of a securities index determined by the Fund 
to be appropriate over the same period. The Trustees have initially 
designated the Lipper Growth & Income Funds Index (the "Index") for this 
purpose. This Index represents the arithmetic mean performance (i.e., equally 
weighted) of the thirty largest funds with investment objectives oriented 
towards growth and income. 

  From time to time, the Trustees may determine that another securities index 
is a more appropriate benchmark than the Index for purposes of evaluating the 
performance of the Fund. In such event, a successor index may be substituted 
for the Index in prospectively calculating the performance based adjustment 
to the Basic Fee. However, the calculation of the performance adjustment for 
any portion of the performance period prior to the adoption of the successor 
index would still be based upon the Fund's performance compared to the Index. 

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

   
  The Board determined that it would be appropriate to increase PMC's 
compensation when the Fund's performance exceeds that of an objective index 
and, conversely, to reduce PMC's compensation when the Fund's performance is 
poorer than the record of that index. The Index was deemed appropriate for 
this comparison because it is broad-based and because the Index is composed 
of funds with similar investment objectives and policies to those of the 
Fund. The Board feels that a performance adjustment is appropriate for the 
Fund and that providing incentives to PMC based on its performance benefits 
shareholders. 
    

  The Board is proposing that there be a performance adjustment which would 
increase or decrease the Basic Fee based on the performance of the Fund over 
a 36-month performance period. The Basic Fee would be subject to upward or 
downward adjustment depending on whether, and to what extent, the investment 
performance of the Fund for the performance period exceeds, or is exceeded 
by, the record of the Index over the same period. This performance comparison 
would be made at the end of each month. Each percentage point of difference 
(up to a maximum difference of \+10 percentage points) would be multiplied by 
a performance adjustment rate of .01%. The maximum adjustment rate is 
therefore \+.10%. An appropriate percentage of this rate (based upon the 
number of days in the current month) would then be multiplied by the average 
daily net assets of the Fund over the entire performance period which covers 
the current month and the prior 35 months ("performance period"), giving the 
dollar amount which will be added to (or subtracted from) the Basic Fee. The 
monthly performance adjustment will be further adjusted to the extent 
necessary in order to insure that the total annual adjustment to the Basic 
Fee does not exceed \+0.10% of average daily net assets for that year. 

   Application of Performance Adjustment.  The application of the performance 
adjustment is illustrated by the following hypothetical example, assuming 
that the net asset value 

                                       9

<PAGE>
 
of the Fund and the level of the Index were $10 and 100, respectively, on the 
first day of the performance period. 
<TABLE>
<CAPTION>
                        Investment Performance*      Cumulative Change 
                         ------------------------   -------------------- 
<S>                               <C>                        <C>
                                   Fund                     Index 
First Day                          $10                       100 
End of Period                      $13                       123 
Absolute Change                   +$ 3                       +23 
Percentage Change                 +30%                       +23%
                                   
</TABLE>

   
* Reflects performance at net asset value. Any dividends or capital gains 
  distributions paid by the Fund are treated as if reinvested in shares of 
  the Fund at net asset value as of the payment date and any dividends paid 
  on the securities which comprise the Index are treated as if reinvested on 
  the ex-dividend date. 
    

   
   The difference in relative performance for the performance period is +7 
percentage points. Accordingly, the annualized management fee rate for the 
last month of the performance period would be calculated as follows: an 
appropriate percentage of the Basic Fee rate (based upon the number of days 
in the month) of 0.60% would be multiplied by the Fund's average daily net 
assets for the month resulting in a dollar amount. The +7 percentage point 
difference is multiplied by the performance adjustment rate of 0.01% 
producing a rate of .07%. An appropriate percentage of this rate (based upon 
the number of days in the month) is then multiplied by the average daily net 
assets of the Fund over the performance period resulting in a dollar amount 
which is added to the dollar amount of the Basic Fee. The management fee paid 
is the Basic Fee adjusted by the dollar amount of the performance adjustment 
calculated for the performance period. If the investment performance of the 
Index during the performance period exceeded the performance record of the 
Fund, the dollar amount of the performance adjustment would be deducted from 
the Basic Fee. 
    

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

   
   The effective date of the Proposed Contract is expected to be May 1, 1996. 
The Basic Fee, therefore, will take effect on May 1, 1996. Accordingly, 
beginning in May, 1996, the Fund will pay management fees at a rate equal to 
the Basic Fee plus or minus the amount of the performance adjustment based 
upon the current month and the preceding thirty-five months. In this regard, 
the performance adjustment for the thirty-five month period prior to the 
effectiveness of the Proposed Contract would likely -- on the basis of 
performance since April 1993 -- result in a negative adjustment to the Basic 
Fee. In the unlikely event that the inclusion in the initial rolling 
performance period of aggregate results from prior to effectiveness would 
have the effect of increasing the Basic Fee for any month, such aggregate 
prior results will be treated as Index neutral for purposes of calculating 
the performance adjustment for such month. 
    

                                       10

<PAGE>
 
Effect of the New Management Fee Structure 

  Under the Existing Contract, the Fund pays management fees at an effective 
annual rate of 0.46% based on net assets of approximately $2,265,748,403 at 
December 31, 1995. Under the Proposed Contract the Fund would pay a maximum 
annual fee of 0.70% and a minimum annual fee of 0.50% based upon the Fund's 
performance relative to the Index as described above. 

  Set forth below is a chart showing the dollar amount of management fees paid 
during the Fund's past fiscal year under the Existing Contract and the amount 
of fees that would have been paid under the Proposed Contract at the maximum, 
Basic and minimum fee rates. The chart also shows the percentage differences 
these amounts that would have been paid under the Proposed Contract represent 
from the amount paid under the Existing Contract. Also set forth below is a 
comparative fee table showing the amount of fees and expenses paid by the 
Fund under the Existing Contract as a percentage of average net assets and 
the amount of fees and expenses shareholders would have paid if the maximum, 
Basic and minimum fees under the Proposed Contract had been in effect. The 
figures shown for the Basic Fee represent the amounts that actually would 
have been paid had the Proposed Contract been in effect. 

                    DOLLAR AMOUNT OF MANAGEMENT FEES PAID 
                    (fiscal year ended December 31, 1995) 

<TABLE>
<CAPTION>
                                                                 Proposed Contract 
                                          Existing      --------------------------------------- 
                                          Contract      Maximum        Basic         Minimum 
                                          ----------    ----------    ----------   ------------ 
<S>                                         <C>         <C>         <C>             <C>
Amount of Fees Paid or that Would 
  Have Been Paid ...........................$10,330,000 $15,860,239 $13,594,239     $11,328,742 
Percentage Difference from Amount 
  Paid under Existing Contract ........         N/A           +54%          +32%            +10% 
</TABLE>

                                              COMPARATIVE FEE TABLE 

Annual Fund Operating Expenses 
(as a percentage of average net assets) 
<TABLE>
<CAPTION>
                                                       Proposed Contract 
                                       Existing    -------------------------
                                         Fee     Maximum   Basic     Minimum 
                                        -------  -------   -----     ------- 
<S>                                      <C>     <C>       <C>       <C>
Management Fee  .......................  .46        .70      .60       .50 
12b-1 Fees ............................  .18        .18      .18       .18 
Other Expenses  ........................ .31        .31      .31       .31 
Total Fund Operating Expenses  ...       .95       1.19     1.09      0.99 
</TABLE>

                                       11

<PAGE>
 
Example 

  The following illustrates the expenses on a $1,000 investment under the 
existing and proposed maximum, Basic and minimum fees stated above, assuming 
a 5% annual return and constant expenses, with or without redemption at the 
end of each time period: 
<TABLE>
<CAPTION>
                      1 year    3 years  5 years    10 years 
                       -----    ------    ------    --------- 
<S>                    <C>       <C>       <C>        <C>
Existing Fee .......   $ 9       $29       $50        $111 
Proposed Fee 
 Maximum  ............ $11       $35       $61        $135 
 Basic ............... $11       $33       $57        $126 
 Minimum  ............ $10       $30       $52        $116 
</TABLE>

  The purpose of this example and the table is to assist investors in 
understanding the various costs and expenses of investing in shares of the 
Fund. The example above should not be considered a representation of past or 
future expenses of the Fund. Actual expenses may be higher or lower than 
those shown above. 

Differences in Certain Other Provisions Under Proposed Contract 

   Standard of Care.  The Existing Contract provides no express contractual 
"standard of care" applicable to the actions of PMC. Under the Proposed 
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 security on the recommendation of 
[PMC] . . ." PMC, however, shall not be protected against liability by reason 
of its ". . . 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 this Agreement." The proposed "standard of care" 
is consistent with the 1940 Act, PMC's most recent management contracts and 
common practice in the mutual fund industry. 

   PMC's Authority.  The Existing Contract authorizes PMC to buy and sell 
securities on behalf of the Fund. PMC must, however, promptly notify the 
Trustees of each purchase and sale transaction and, if any three (3) Trustees 
disapprove such transaction within forty- eight (48) hours, PMC shall cancel 
the transaction at the Fund's risk. The Proposed Contract provides that PMC 
shall have full discretion to act for the Fund in connection with purchase 
and sale transactions subject only to the Declaration of Trust, Bylaws, 
currently effective registrations under the 1940 Act and the Securities Act 
of 1933, as amended (the "1933 Act"), investment objectives, policies and 
restrictions of the Fund in effect from time to time, and specific policies 
and instructions established from time to time by the Trustees. Since the 
effectiveness of the Existing Contract, the Trustees have never requested 
that PMC cancel a purchase or sale transaction on behalf of the Fund. 

   Portfolio Trading.  Under the Existing Contract, PMC must conduct purchase 
and sale transactions on behalf of the Fund at the "best price and execution 
available." This provision of the Existing Contract has been interpreted to 
permit PMC to place purchase and sale orders with brokers from whom PMC has 
obtained supplemental investment and market research and economic analysis in 
accordance with the provisions of Section 28(e) of the Exchange Act, even if 
it results in the Fund paying a commission to a broker greater 

                                       12

<PAGE>
 
than the amount another broker may charge. Consistent with common practice in 
the mutual fund industry and with PMC's most recent management contracts, the 
Proposed Contract expressly permits PMC to engage in such activity. For a 
more detailed description of the Fund's current portfolio brokerage 
practices, see the Appendix. 

   Expense Limitation.  The Proposed Contract provides that if the operating 
expenses of the Fund exceed the limits established by state "blue sky" 
administrators, PMC's fee will be reduced (but not below $0) to the extent 
required by such limits. The Proposed Contract also provides that PMC may 
from time to time agree not to impose all or a portion of its fee or 
otherwise take action to reduce expenses of the Fund. Any such fee limitation 
or expense reduction is voluntary and may be discontinued or modified by PMC 
at any time. The Existing Contract does not include comparable provisions. 

   Expenses.  The Existing Contract provides that the Fund shall pay, among 
other things, charges and expenses associated with determining its net asset 
value and keeping its books and records. These expenses have historically 
consisted of the costs incurred by PMC in providing accounting, pricing and 
appraisal services, including costs associated with PMC personnel and 
equipment employed in connection with providing such services. PMC has 
requested a clarification that the expenses for which the Fund would be 
required to reimburse PMC be expanded to include overhead related to the 
provision of such services, as would be the case if the Fund contracted with 
an independent provider of such services. As a result, the Proposed Contract 
provides that the Fund shall pay ". . . 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 . . .." PMC has estimated that, at current direct labor costs, 
aggregate annualized fund accounting overhead charges allocated to the Fund 
will be approximately $10,000. PMC has informed the Board of Trustees of the 
Fund that this change in the Proposed Contract will not have a material 
effect on PMC's profitability. See "Factors Considered by the Trustees" 
below. 

   
   Other Differences.  The Proposed Contract also reflects certain other 
substantive and stylistic differences from the Existing Contract resulting 
from an effort to modernize the provisions of the Proposed Contract. These 
differences include provisions that provide that: (i) the law of The 
Commonwealth of Massachusetts shall be the governing law of the contract; 
(ii) PMC is an independent contractor and not an employee of the Fund; (iii) 
the contract is the entire agreement between the parties with respect to the 
matters described therein; (iv) the contract may be executed using 
counterpart signature pages; (v) invalid or unenforceable provisions of the 
contract are severable and do not render the entire agreement invalid or 
unenforceable; (vi) the Fund may pay for charges and expenses of counsel to 
the "non-interested" Trustees as well as counsel to the Fund; and (vii) 
subject to obtaining best execution, PMC may consider sales of other funds in 
the Pioneer family of mutual funds when selecting brokers and dealers to 
execute the Fund's securities transactions. 
    

Miscellaneous 

  If approved, the Proposed Contract will become effective on May 1, 1996 (or 
on the date of approval if approved after that date) and will continue in 
effect until May 31, 1997, 

                                       13

<PAGE>
 
and thereafter will continue from year to year subject to annual approval by 
the Board of Trustees in the same manner as the Existing Contract. The 
Proposed Contract terminates if assigned (as defined in the 1940 Act) and may 
terminate without penalty, upon sixty (60) days' written notice, by either 
party by vote of its Board or by a vote of a majority of the outstanding 
voting securities of the Fund. The description of the differences between the 
Existing Contract and the Proposed Contract set forth above and the other 
information with respect to the Proposed Contract are qualified in their 
entirety by reference to the form of Proposed Contract, attached hereto as 
Exhibit A. 

Additional Information Pertaining to PMC 

  For additional information concerning the management, ownership structure, 
affiliations, brokerage policies and certain other matters pertaining to PMC, 
see the Appendix. 

Factors Considered by the Trustees 

   
  The Trustees determined that the terms of the Proposed Contract are fair and 
reasonable and that approval of the Proposed Contract on behalf of the Fund 
is in the best interests of the Fund. In approving the Proposed Contract and 
recommending its approval by the shareholders of the Fund, the Trustees, 
including a majority of the Trustees who are not "interested persons" of the 
Fund or PMC, considered that the form of the Existing Contract apart from the 
management fee provisions, which is also used by certain other mutual funds 
in the Pioneer family of mutual funds, had not been materially revised in 
several years, that similar proposals had been or would be made to 
shareholders of all such other mutual funds in the Pioneer family of mutual 
funds at their next shareholder meeting, that the material changes in the 
Proposed Contract not relating to the proposed fee increase were in 
accordance with common industry practice, and that overhead on accounting, 
pricing and appraisal services would not be material to the Fund or its 
shareholders or PMC's profitability. 
    

   
  The Trustees considered a number of factors in deciding to recommend an 
increase in the management fee and a performance fee adjustment. At all times 
during the Trustees' deliberations, they were advised by Fund counsel and 
their own independent counsel. When the Trustees were presented with the 
proposed fee arrangements, they requested and were furnished with substantial 
information to assist in their evaluation. In considering whether to adopt 
the proposed fee arrangements, the Trustees considered, among other things, 
PMC's intended use of a significant portion of the fee increase to benefit 
the Fund, as well as information relating to the overall reasonableness of 
both the Basic Fee and the fee adjustment and the appropriateness of the 
Index as a measure of the Fund's performance. 
    

   
  The Trustees considered and placed heavy emphasis on PMC's indications that 
it would use a significant portion of the increased fee to enhance its 
management and accounting systems and research capabilities with respect to 
the Fund's portfolio, including significant additional investment in human 
resources and technology, with the purpose of helping to make the Fund more 
competitive. The Trustees also considered that the management fees paid by 
the Fund to PMC under the Existing Contract are below those paid by most 
other funds with investment objectives of growth and income and that the 
proposed fee is consistent with management fees paid by many other such 
similar funds. 
    

                                       14

<PAGE>
 
   
  The Trustees who were present at the meeting on February 15, 1996, including 
a majority of the Trustees who are not "interested persons" of the Fund or 
PMC, unanimously determined that the Index was appropriate based upon a 
number of factors, including the fact that the Index is broad-based and is 
composed of funds with similar investment objectives and policies to those of 
the Fund. It was anticipated that any divergence between the Fund's 
performance and that of the Index could be attributed to PMC's skill in 
selecting securities within the parameters established by the Fund's 
objectives and policies. Because of the possible future development of an 
even more appropriate index for measuring the Fund's performance, the 
Trustees believed it advisable to reserve the ability to substitute a 
successor index for the Index; provided, in such event, the calculation of 
the performance adjustment for any portion of the performance period prior to 
the adoption of the successor index would still be based upon the Fund's 
performance compared to the Index. 
    

   
  The time periods to be used in determining any performance adjustment were 
also judged to be of appropriate length to ensure proper correlation and to 
prevent fee adjustments from being based upon random or insignificant 
differences between the Fund and the Index. In this regard, the Trustees 
concluded that it would be appropriate to begin making performance 
adjustments, based upon a full 36-month performance period, immediately after 
effectiveness of the Proposed Contract, so long as the inclusion in the 
rolling performance period of aggregate results from prior to effectiveness 
would not have the effect of increasing the Basic Fee. In the event that the 
inclusion of such aggregate results would have the effect of increasing the 
Basic Fee for any month, then such results will be treated as Index neutral 
for purposes of calculating the performance adjustment for such month. 
    

  Based upon all of the above considerations, the Trustees determined that 
both the Basic Fee and the amount of any adjustments would be equitable and 
fair to the shareholders of the Fund. 

Trustees' Recommendation 

  Based on its evaluation of the materials presented and assisted by the 
advice of independent counsel, the Trustees who were present at the meeting 
on February 15, 1996, including a majority of the Trustees who are not 
"interested persons" of the Fund or PMC, unanimously concluded that the 
Proposed Contract was fair and reasonable and in the best interests of the 
Fund's shareholders and by a vote cast at the meeting, approved and voted to 
recommend to the shareholders of the Fund that they approve, the Proposal to 
terminate the Existing Contract and to adopt the Proposed Contract. 

Required Vote 

  Adoption of Proposal 2 requires the approval of a majority of the 
outstanding voting securities of the Fund, which under the 1940 Act is 
defined to mean the affirmative vote of the lesser of (i) 67% or more of the 
shares of the Fund represented at the Meeting, or (ii) 50% or more of the 
outstanding shares of the Fund entitled to vote at the Meeting (a "1940 Act 
Majority Vote"). If the Proposed Contract is not approved by the shareholders 
of the Fund, the Existing Contract will continue in effect. 

                                       15

<PAGE>
 
FOR THE REASONS SET FORTH ABOVE, THE TRUSTEES RECOMMEND THAT THE SHAREHOLDERS 
OF THE FUND VOTE IN FAVOR OF THE APPROVAL OF THE PROPOSED MANAGEMENT 
CONTRACT. 

                                  PROPOSAL 3 

             APPROVAL OF AN AGREEMENT AND PLAN PROVIDING FOR THE 
               REORGANIZATION OF THE FUND FROM A MASSACHUSETTS 
                 BUSINESS TRUST TO A DELAWARE BUSINESS TRUST 

General 

   
  At a meeting held on February 2, 1996, the Trustees who were present 
unanimously approved, subject to the approval of shareholders of the Fund, an 
Agreement and Plan of Reorganization (the "Plan of Reorganization") in the 
form attached to this Proxy Statement as Exhibit B. The Plan of 
Reorganization provides for the reorganization (the "Reorganization") of the 
Fund, a Massachusetts business trust (the "Current Fund"), to a newly 
established Delaware business trust which, prior to the Reorganization, will 
have no assets or operations. 
    

   
  The Reorganization will entail creating a Delaware business trust (the 
"Successor Fund"). Following the Reorganization, the Successor Fund will 
carry on the business of the Current Fund. If shareholders approve any or all 
of the proposed changes in the Fund's investment policies and restrictions 
described in Proposals 5(a) through 5(i) the Fund's operations will change 
accordingly, to the extent approved. If none of these changes are approved, 
the Successor Fund will have investment policies and restrictions that are 
identical to the investment policies and restrictions applicable to the 
Current Fund. The Successor Fund will also enter into a management contract 
and other service agreements which provide the same services on the same 
terms as the Proposed Contract (subject to approval of Proposal 2 by the 
Fund) and other service agreements currently applicable to the Current Fund. 
Shareholders should be aware that there may be deemed to occur a momentary 
inconsistency with certain of the Current Fund's policies and restrictions 
(such as restrictions on investments in any one issuer and investments in 
other investment companies) during the Reorganization. The principal 
differences between a Delaware business trust and a Massachusetts business 
trust as forms of organization are discussed below under the caption 
"Comparison of Business Trusts under Delaware Law and Massachusetts Law." 
Approval of the Reorganization also constitutes approval of the termination 
of the Current Fund in accordance with Massachusetts law. Following the 
Reorganization, PMC will serve as investment adviser for the Successor Fund 
under a management contract which will have been approved by the Board of 
Trustees of the Successor Fund and by the Current Fund as sole Shareholder of 
the Successor Fund, as further discussed below under the caption "Summary of 
the Plan of Reorganization." The Successor Fund's management contract will be 
identical to the Proposed Contract or the Existing Contract, in the event the 
Proposed Contract is not approved by the Fund's shareholders. 
    

Reasons for the Proposed Reorganization 

  The Current Fund is organized as a Massachusetts business trust. The 
proposed form of organization as a Delaware business trust offers certain 
advantages over the current 

                                       16

<PAGE>
 
form of organization as a Massachusetts business trust. The advantages 
include granting the Trustees greater power to amend the Delaware Declaration 
of Trust without shareholder approval, although this advantage could also be 
achieved under Massachusetts law by amending the Current Fund's Declaration 
of Trust. The advantages of the Delaware Declaration of Trust compared to the 
Current Fund's Declaration of Trust, discussed in more detail below, include 
clearer limitations upon liability of shareholders and trustees and greater 
flexibility in methods of voting. 

Comparison of Business Trusts Under Delaware Law and Massachusetts Law 

   
   Limitation of Shareholders' and Series' Liability.  Delaware law provides 
that the shareholders of a Delaware business trust shall not be subject to 
liability for the debts or obligations of the trust. Under Massachusetts law, 
shareholders of a Massachusetts business trust (such as Current Fund 
shareholders) may, under certain circumstances, be liable for the debts and 
obligations of that trust. Although the risk of liability of shareholders of 
a Massachusetts business trust who do not participate in the management of 
the trust may be remote, the Board of Trustees has determined that Delaware 
law affords greater protection against potential shareholder liability. 
Similarly, Delaware law provides that, to the extent that a Delaware business 
trust issues multiple series of shares, each series shall not be liable for 
the debts or obligations of any other series, another potential, although 
remote, risk in the case of a Massachusetts business trust. While the 
Trustees believe that a series of a Massachusetts business trust will only be 
liable for its own obligations, there is no direct statutory or judicial 
support for that position. 
    

   Limitation of Trustee Liability.  Delaware law provides that, except to 
the extent otherwise provided in a trust's declaration of trust or bylaws, 
trustees will not be personally liable to any person (other than the business 
trust or a shareholder thereof) for any act, omission or obligation of the 
business trust or any trustee thereof. Delaware law also provides that a 
trustee's actions under a Delaware business trust's declaration of trust or 
bylaws will not subject the trustee to liability to the business trust or its 
shareholders if the trustee takes such action in good faith reliance on the 
provisions of the business trust's declaration of trust or bylaws. The 
declaration of trust of a Massachusetts business trust may limit the 
liability of a trustee, who is not also an officer of the corporation, for 
breach of fiduciary duty except for, among other things, any act or omission 
not in good faith which involves intentional misconduct or a knowing 
violation of law or any transaction from which such trustee derives an 
improper direct or indirect financial benefit. The Trustees believe that such 
limitations on liability under Delaware law are consistent with those 
applicable to directors of a corporation under Delaware law and will be 
beneficial in attracting and retaining in the future qualified persons to act 
as trustees. 

   Shareholder Voting.  Delaware law provides that a Delaware business 
trust's declaration of trust or bylaws may set forth provisions related to 
voting in any manner. This provision appears to permit trustee and 
shareholder voting through computer or electronic media. For an investment 
company with a significant number of institutional shareholders, all with 
access to computer or electronic networks, the use of such voting methods 
could significantly reduce the costs of shareholder voting. However, the 
advantage of such 

                                       17

<PAGE>
 
methods may not be realizable unless the SEC modifies its proxy rules. Also, 
as required by the 1940 Act, votes on certain matters by trustees would still 
need to be taken at actual in-person meetings. 

   Board Composition.  Delaware law explicitly provides that separate boards 
of trustees may be authorized for each series of a Delaware business trust. 
Whether separate boards of trustees can be authorized for series of a 
Massachusetts business trust is unclear under Massachusetts law. As always, 
the establishment of any board of trustees of a registered investment company 
must comply with applicable securities laws, including the provision of the 
1940 Act regarding the election of trustees by shareholders. Establishing 
separate boards of trustees would, among other things, enable the series of a 
Delaware business trust to be governed by individuals who are more familiar 
with such series' particular operations. 

Comparison of the Current Fund's Declaration of Trust under Massachusetts law 
and the Delaware Declaration of Trust under Delaware law 

  It is anticipated that a Delaware business trust will be required to hold 
fewer shareholder meetings than a Massachusetts business trust, potentially 
further reducing costs. Although neither a Delaware business trust nor a 
Massachusetts business trust is required to hold annual shareholder meetings, 
Delaware law affords to the Trustees the ability to adapt the Delaware 
business trust to future contingencies without the necessity of holding a 
special shareholder meeting. The Trustees may have the power to amend the 
business trust's governing instrument to create a class or series of 
beneficial interest that was not previously outstanding; to dissolve the 
business trust; to incorporate the Delaware business trust; to merge or 
consolidate with another entity; to sell, lease, exchange, transfer, pledge 
or otherwise dispose of all or any part of the business trust's assets; to 
cause any series to become a separate trust; and to change the Delaware 
business trust's domicile -- all without shareholder vote. Any exercise of 
authority by the Trustees will be subject to applicable state and Federal 
law. The flexibility of a Delaware business trust should help to assure that 
the Delaware business trust always operates under the most advantageous form 
of organization and is intended to reduce the expense and frequency of future 
shareholder meetings for non-investment-related operational issues. 

Trustees' Recommendation 

  After considering the matters discussed above and other matters deemed to be 
relevant, the Trustees determined that the Reorganization (i) is in the best 
interest of the Current Fund and (ii) will not result in dilution of the 
interest of the shareholders of the Current Fund. The Trustees present at the 
meeting unanimously voted to recommend to the shareholders of the Current 
Fund that they approve the Reorganization. 

Required Vote 

  Approval of the Agreement and Plan of Reorganization requires the 
affirmative 1940 Act Majority Vote of the Current Fund. The Trustees have 
determined that the Reorganization will not proceed as described above unless 
the shareholders of the Current Fund 

                                       18

<PAGE>
 
approve the Reorganization. In the event that the shareholders of the Current 
Fund do not vote in favor of the Reorganization, the Trustees will determine 
what further action, if any, to take, including the possibility of 
resubmitting the Proposal at a later time. 

  THE TRUSTEES RECOMMEND THAT SHAREHOLDERS OF THE FUND APPROVE THE AGREEMENT 
AND PLAN OF REORGANIZATION PROVIDING FOR THE REORGANIZATION OF THE FUND FROM 
A MASSACHUSETTS BUSINESS TRUST TO A DELAWARE BUSINESS TRUST. 

Summary of the Plan of Reorganization 

  The following discussion summarizes certain terms of the Plan of 
Reorganization. The summary of the Plan of Reorganization is qualified in its 
entirety by the provisions of the form of Plan of Reorganization, which is 
attached to this Proxy Statement as Exhibit B. Assuming the Plan of 
Reorganization is approved, it is currently contemplated that the 
Reorganization will become effective at the close of business on or about 
April 30, 1996. 

  In order to accomplish the Reorganization, a Delaware business trust will be 
formed with a single series corresponding to the Current Fund. On the closing 
date of the Reorganization (the "Closing Date"), the Current Fund will 
transfer all of its assets to the Successor Fund in exchange for the 
assumption by the Successor Fund of all the liabilities of that Current Fund 
and the issuance to the Current Fund of shares of beneficial interest of the 
Successor Fund ("Successor Fund shares") equal to the value (as determined by 
using the procedures set forth in the Current Fund's current prospectus) on 
the date of the exchange of the Current Fund's net assets. The Current Fund 
as sole shareholder of the Successor Fund, will then vote on certain matters 
that require shareholder approval, as described below. Immediately 
thereafter, the Current Fund will liquidate and distribute Successor Fund 
shares to each Current Fund shareholder pro rata in proportion to the Current 
Fund shareholder's beneficial interest in the Current Fund ("Current Fund 
shares") in exchange for his or her Current Fund shares. After this 
distribution of Successor Fund shares, the Current Fund will, as soon as 
practicable thereafter, be wound up and terminated. Certificates evidencing 
full or fractional Successor Fund shares will not be mailed to shareholders. 
Upon completion of the Reorganization, each Current Fund shareholder will be 
the owner of full and fractional Successor Fund shares equal in number and 
aggregate net asset value to his or her Current Fund shares as of the date of 
the exchange. 

   
  As described above, the Plan of Reorganization authorizes the Current Fund 
as the then sole shareholder of the Successor Fund (i) to elect as Trustees 
of the Delaware business trust the persons who currently serve as Trustees of 
the Massachusetts business trust; (ii) to ratify the selection of the 
independent accountants; (iii) to approve an investment advisory agreement 
for the Successor Fund; and (iv) to approve the Rule 12b-1 plan of 
distribution for the Successor Fund. With respect to the foregoing matters, 
the Successor Fund will vote after the Board of Trustees of the Successor 
Fund has approved such matters. 
    

  The newly elected Trustees will hold office without limit in time except 
that (i) any Trustee may resign; (ii) any Trustee may be removed by written 
instrument signed by at least a majority of the Trustees prior to removal; 
and (iii) a Trustee may be removed at 

                                       19

<PAGE>
 
any special meeting of the shareholders by a vote of two-thirds of the 
outstanding shares of the Successor Fund. In case a vacancy shall for any 
reason exist, the remaining Trustees will fill such vacancy by appointing 
another Trustee so long as, immediately after such appointment, at least 
two-thirds of the Trustees have been elected by shareholders. 

  If, at any time prior to the Closing of the Reorganization, the Trustees 
determine that it would not be in the best interest of the Current Fund or 
the shareholders to proceed with the execution of the Plan of Reorganization, 
the Reorganization will not go forward, notwithstanding the approval of the 
Reorganization by the shareholders at the Meeting. The obligations of the 
Current Fund under the Plan of Reorganization are subject to various 
conditions as stated therein. In order to provide against unforeseen events, 
the Plan of Reorganization may be terminated or amended at any time prior to 
the Reorganization by mutual agreement of the Trustees of the Current Fund 
and the Successor Fund. The Current Fund and the Successor Fund may at any 
time waive compliance with any of the covenants and conditions contained in, 
or may amend, the Plan of Reorganization; provided that such waiver or 
amendment does not materially adversely affect the interests of shareholders 
of the Current Fund. 

Continuation of Shareholder Accounts and Services 

  The Successor Fund's transfer agent, PSC, will establish accounts for all 
shareholders of the Successor Fund containing the appropriate number of 
Successor Fund shares to be received by that shareholder under the Plan of 
Reorganization. Such accounts will be identical in all material respects to 
the accounts currently maintained by the Current Fund for each shareholder. 
Shareholders who have elected to receive a particular service, such as 
telephone redemptions or exchanges or Pioneer Investomatic Plans, will 
continue to receive such services as a shareholder of the Successor Fund 
without any further action. 

Expenses of the Reorganization 

  The Current Fund will bear its expenses associated with the transactions 
contemplated by the Plan of Reorganization. In the event that the 
Reorganization is successfully completed, such expenses will be assumed by 
the Successor Fund. It is presently estimated that the expenses of the 
Reorganization will be approximately $10,000. 

Tax Consequences of the Reorganization 

  It is a condition to the consummation of the Reorganization that the Fund 
receives on or before the Closing Date an opinion from counsel, Hale and 
Dorr, substantially to the effect that, among other things, for federal 
income tax purposes the transactions contemplated by the Plan of 
Reorganization will constitute a reorganization under Section 368(a)(1) of 
the Internal Revenue Code of 1986, as amended, and that, consequently, no 
gain or loss will be recognized for federal income tax purposes by the 
Current Fund or its shareholders upon (1) the transfer of all of the Current 
Fund's assets to the Successor Fund in exchange solely for Successor Fund 
shares and the assumption by the Successor Fund of the Current Fund's 
liabilities or (2) the distribution by the Current Fund of the Successor Fund 
shares, in liquidation of the Current Fund, to the shareholders in exchange 

                                       20

<PAGE>
 
for their shares of the Current Fund. The opinion will further state, among 
other things, that (i) the federal tax basis of Successor Fund shares to be 
received by shareholders of the Current Fund will be the same as the federal 
tax basis of the shares of the Current Fund surrendered in exchange therefor 
and (ii) each shareholder's federal tax holding period for his or her 
Successor Fund shares will include such shareholder's holding period for the 
shares of the Current Fund surrendered in exchange therefor, provided that 
such shares of the Current Fund were held as capital assets on the date of 
the exchange. 

Description of Certain Provisions of the Delaware Declaration of Trust 

  The following is a summary of certain provisions of the Successor Fund's 
Delaware Declaration of Trust. 

   Series and Classes.  As discussed above, the Delaware Declaration of Trust 
would permit the Successor Fund to issue series of its shares which would 
represent interests in separate portfolios of investments, including that of 
the Current Fund. No series would be entitled to share in the assets of any 
other series or be liable for the expenses or liabilities of any other 
series. The Trustees would also be able to authorize the Successor Fund to 
issue additional classes of shares without prior shareholder approval. The 
Trustees, however, have no present intention of authorizing the issuance of 
additional classes of shares. 

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

   Shareholder Meetings and Voting Rights.  The Successor Fund is not 
required to hold annual meetings of shareholders and does not intend to hold 
such meetings. In the event that a meeting of shareholders is held, each 
share of the Successor Fund shall be entitled to one vote on all matters 
presented to shareholders including the election of Trustees. Shareholders of 
the Successor Fund do not have cumulative voting rights in connection with 
the election of Trustees. Meetings of shareholders of the Successor Fund, or 
any series or class thereof, may be called by the Trustees, certain officers 
or upon the written request of holders of 10% or more of the shares entitled 
to vote at such meeting. The shareholders of the Successor Fund shall only 
have the right to vote with respect to the limited number of matters 
specified in the Delaware Declaration of Trust and such other matters as the 
Trustees shall determine or shall be required by law. 

   Indemnification.  The Delaware Declaration of Trust provides for 
indemnification of Trustees, officers and agents of the Successor Fund 
provided that no such indemnification 

                                       21

<PAGE>
 
shall be provided to any person who is adjudicated (i) to be liable by reason 
of willful misfeasance, bad faith, gross negligence or reckless disregard of 
the duties involved in the conduct of such person's office or (ii) not to 
have acted in good faith in the reasonable belief that such person's actions 
were in the best interest of the Delaware business trust. 

  The Delaware Declaration of Trust provides that if any shareholder or former 
shareholder of any series shall be held personally liable solely by reason of 
their being or having been a shareholder and not because of their acts or 
omissions or for some other reason, the shareholder or former shareholder (or 
their heirs, executors, administrators or other legal representatives or in 
the case of any entity, its general successor) shall be entitled, out of the 
assets belonging to the applicable series, to be held harmless from and 
indemnified against all loss and expense arising from such liability. The 
Successor Fund, on behalf of any affected series, shall, upon request by such 
shareholder, assume the defense of any claim made against such shareholder 
for any act or obligation of the series and satisfy any judgment thereon from 
the assets of the series. 

   Termination.  The Delaware Declaration of Trust would permit termination 
of the Successor Fund or of any series or class of the Successor Fund (i) by 
a majority of the shareholders at a meeting of shareholders of the Successor 
Fund, series or class; or (ii) by a majority of the Trustees without 
shareholder approval if the Trustees determine that such action is in the 
best interest of the Trust or its shareholders. The factors and events that 
the Trustees may take into account in making such determination include (i) 
the inability of the Successor Fund, or any successor series or class to 
maintain their assets at an appropriate size; (ii) changes in laws or 
regulations governing them or affecting assets of the type in which they 
invest; or (iii) economic developments or trends having a significant adverse 
impact on their business or operations. Termination of the Current Fund 
requires the affirmative 1940 Act Majority Vote of the Fund. 

   Merger, Consolidation, Sale of Assets, Etc.  The Delaware Declaration of 
Trust would authorize the Trustees without shareholder approval to 
specifically permit the Successor Fund, or any series thereof, to merge or 
consolidate with any corporation, association, trust or other organization or 
sell or exchange all or substantially all of the property belonging to the 
Successor Fund, or any series thereof. The Current Declaration of Trust does 
not specifically provide for mergers or consolidations of the Current Fund. A 
sale of assets of the Current Fund requires an affirmative 1940 Act Majority 
Vote of the Fund. 

   Amendments.  The Delaware Declaration of Trust would permit the Trustees 
to amend the Delaware Declaration of Trust without a shareholder vote; 
provided that shareholders of the Successor Fund shall have the right to vote 
on any amendment (i) that would affect the voting rights of shareholders, 
(ii) with respect to which shareholder approval is required by law; (iii) 
that would amend this provision of the Declaration of Trust; and (iv) with 
respect to any other matter that the Trustees determine to submit to 
shareholders. Any amendment to the Current Fund's Declaration of Trust, 
except an amendment changing the name of the Fund or supplying any omission, 
curing any ambiguity or curing, correcting or supplementing any defective or 
inconsistent provision of the Declaration of Trust, requires the affirmative 
1940 Act Majority Vote of the Current Fund. 

                                       22

<PAGE>
 
                                   PROPOSAL 4

         RATIFICATION OF SELECTION OF INDEPENDENT PUBLIC ACCOUNTANTS 

   
   The firm of Arthur Andersen LLP has served as the Fund's independent 
public accountants since 1956. Audit services during the fiscal year ended 
December 31, 1995 consisted of examinations of the Fund's financial 
statements for this period and reviews of the Fund's filings with the SEC. 
    

   The Trustees who were present at the February 2, 1996 meeting, including a 
majority of the Trustees who are not "interested persons" of the Fund or PMC, 
unanimously selected Arthur Andersen LLP as the Fund's independent public 
accountants for the fiscal year ended December 31, 1996, subject to 
shareholder ratification at the Meeting. A representative of Arthur Andersen 
LLP is expected to be available at the Meeting to make a statement if he or 
she desires to do so and to respond to appropriate questions. 

Required Vote 

   
  The ratification of the selection of Arthur Andersen LLP as the Fund's 
independent public accountants for the fiscal year ended December 31, 1996 
requires the affirmative vote of a majority of the shares present and 
entitled to vote at the Meeting. 
    

  THE TRUSTEES RECOMMEND THAT THE SHAREHOLDERS OF THE FUND VOTE IN FAVOR OF 
THE RATIFICATION OF ARTHUR ANDERSEN LLP AS THE FUND'S INDEPENDENT PUBLIC 
ACCOUNTANTS FOR THE FISCAL YEAR ENDED DECEMBER 31, 1996. 

                         PROPOSALS 5(a) THROUGH 5(i) 

                      ELIMINATION, AMENDMENT OR ADDITION 
                      OF VARIOUS INVESTMENT RESTRICTIONS 

General 

  The Trustees of the Fund recommend that shareholders approve the 
elimination, amendment or addition of several of the Fund's investment 
restrictions, as described in detail below. All of the current restrictions 
proposed to be eliminated or amended are set forth in the Fund's Statement of 
Additional Information except for the repurchase agreement policy discussed 
under Proposal 5(a) which is contained in the Prospectus. 

  Each Proposal requires the separate approval of the shareholders of the 
Fund. Each of these restrictions is a fundamental investment policy that may 
only be changed by an affirmative 1940 Act Majority Vote. See "Required Vote" 
below. 

5(a). Elimination of Fundamental Investment Restriction Regarding Repurchase 
      Agreements 

  The Fund's existing fundamental policy regarding repurchase agreements 
states: 

                                       23

<PAGE>
 
The Fund may enter into repurchase agreements with banks, generally not 
 exceeding seven days. 

  If eliminated as proposed, the Trustees would adopt a new non-fundamental 
policy that would state: 
  The Fund may enter into repurchase agreements with banks and broker- 
 dealers, generally not exceeding seven days. 

  This change is being proposed to permit the Fund to enter into repurchase 
agreements with brokers as well as banks. This ability is consistent with 
that of the other Pioneer funds that invest in repurchase agreements. 
Repurchase agreements afford an opportunity for the Fund to earn a return on 
temporarily available cash at no market risk. However, such transactions do 
involve credit risk. If the seller defaults on its obligation under a 
repurchase agreement, the Fund could realize a loss on the sale of the 
underlying security or be subject to delays and associated expenses. In order 
to protect against these risks, the Fund will enter into repurchase 
agreements only with banks and brokers that have been reviewed and approved 
by the Trustees. PMC has advised the Trustees that it believes the brokers 
with whom the Fund will enter into repurchase agreements if the change is 
approved do not generally present any greater credit risk than the current 
bank counterparties. 

   
5(b). Amendment to Fundamental Investment Restriction Regarding Underwriting 
    

   
  The Fund's current fundamental investment restriction regarding underwriting 
states that the Fund may not: 
      underwrite any issue of securities. 
    

   
  If amended as proposed, the restriction would provide that the Fund may not: 
  act as an underwriter, except as it may be deemed to be an underwriter in a 
 sale of restricted securities held in its portfolio. 
    

  The 1940 Act requires that a fund state a formal fundamental policy 
regarding underwriting. The amendment is being proposed to clarify that the 
sale by the Fund of portfolio securities restricted as to transfer by the 
federal securities laws will not be subject to this restriction to the extent 
such a sale may be deemed to be underwriting activity. As discussed in detail 
in Proposal 5(d), PMC believes it is advantageous for a fund with investment 
policies such as the Fund's to have the flexibility to invest in restricted 
securities. The proposed amendment would eliminate any doubt created by the 
current underwriting restriction as to the Fund's ability to dispose of any 
restricted securities it may acquire. 

5(c). Amendment of Fundamental Investment Restriction Regarding Commodities 

  The Fund's existing fundamental investment restriction regarding commodities 
states that the Fund may not: 
      invest in commodities, commodity contracts, or real estate. 

  If amended as proposed, the restriction would provide that the Fund may not: 

                                       24

<PAGE>
 
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. 

   
  The 1940 Act requires that a fund state a formal fundamental investment 
policy regarding investment in commodities. Any financial futures contract or 
related option is considered to be a commodity. Other types of financial 
instruments such as forward commitments and swaps might also be deemed to be 
commodities. The amendment is being proposed to enable the Fund to invest in 
financial futures contracts and related options for hedging and other 
purposes permitted under the rules and regulations of the Commodity Futures 
Trading Commission from time to time in effect, and to clarify that certain 
practices in which the Fund engages (such as forward foreign currency 
contracts) or might in the future engage (such as swaps) are not subject to 
this restriction. 
    

   
  A financial futures contract is a contract to buy or sell units of a 
particular securities index or foreign currency at an agreed price on a 
specified future date. Depending on the change in value of the index or 
currency between the time when a fund enters into and terminates a financial 
futures transaction, the fund realizes a gain or loss. Financial futures and 
options on financial futures are typically used for hedging purposes and 
involve certain risks, including imperfect correlations between movements in 
the prices of financial futures and options and movements in the price of the 
underlying securities index or currency or the portfolio securities that are 
the subject of a hedge, potentially illiquid secondary markets at certain 
times and inability of the adviser to correctly predict market or currency 
movements. The Fund does not currently intend to engage in financial futures 
and related options transactions or any other investment practice not 
currently described in its Prospectus in the coming year. In the event that 
the Trustees decide in the future it is desirable for the Fund to engage in 
any such practices, the Fund's Prospectus will be revised accordingly, 
including the addition of appropriate risk disclosure. 
    

5(d). Elimination of Fundamental Investment Restriction Regarding Restricted 
      Securities 

  The Fund's existing fundamental investment restriction regarding restricted 
securities states that the Fund may not: 
  purchase "investment letter" securities (i.e., securities that must be 
 registered under the Securities Act of 1933 before they may be offered or 
 sold to the public). 

  If eliminated as proposed, the Trustees would adopt a new non-fundamental 
restriction that would provide that the Fund may not: 
  invest more than 15% of its net assets in the aggregate of (a) securities 
 which at the time of investment are not readily marketable, (b) securities 
 the disposition of which is restricted under federal securities laws 
 (excluding restricted securities that have been determined by the Trustees 
 of the Fund (or the person 

                                       25

<PAGE>
 
designated by them to make such determinations) to be readily marketable) 
 and (c) repurchase agreements maturing in more than seven days. 

  The SEC has long taken the position that an open-end investment company 
should limit its investments in illiquid securities because such securities 
may present problems of accurate valuation and because the investment company 
would have difficulty satisfying redemptions within the permitted seven day 
time period. In general, illiquid securities have included restricted 
securities and those securities for which there is no readily available 
market. Since the adoption of the Fund's investment restriction, the SEC has 
revised its position to permit a fund to invest up to 15% of its net assets 
in illiquid securities. 

   
  In recognition of the increased size and liquidity of the institutional 
markets for unregistered securities and the importance of institutional 
investors in providing capital to developing companies, the SEC has also, 
since the adoption of the Fund's investment restriction, adopted Rule 144A, 
which is designed to facilitate efficient trading of restricted securities 
among institutional investors. The SEC has specifically stated that 
restricted securities traded under Rule 144A may be treated as liquid for 
purposes of investment limitations if the trustees of a fund determine that 
the securities are liquid. It is expected that the Trustees of the Fund will 
delegate to PMC the daily function of determining and monitoring the 
liquidity of restricted securities. It should be noted, however, that 
investing in restricted securities traded under Rule 144A could effectively 
increase the level of the Fund's illiquidity to the extent that qualified 
institutional buyers are uninterested in purchasing such securities. 
    

  The change is being proposed to provide the Fund with the flexibility to 
take advantage of these regulatory developments. As securities markets have 
evolved, PMC believes that the Fund's current restriction has become 
unnecessarily restrictive. The fact that a security may be restricted will 
not necessarily adversely affect either the liquidity or the accurate 
valuation of such investment. The Fund might thereby be constrained from 
making attractive investments even though they could satisfy both valuation 
and redemption concerns. 

  Certain state blue sky laws may limit the ability of the Fund to invest in 
restricted securities, including restricted securities that are readily 
marketable. To the extent required by a state securities administrator, the 
Fund may undertake to limit its investment in restricted securities to a 
lower percentage. 

5(e). Elimination of Fundamental Investment Restriction Regarding 
      "Unseasoned" Issuers 

  The Fund's existing fundamental investment restriction regarding securities 
of "unseasoned" issuers states that the Fund may not: 
  purchase the securities of any enterprise which has a business history of 
 less than three years, including the operation of any predecessor business 
 to which it has succeeded. 

  The 1940 Act does not impose any limitation upon investment in securities of 
issuers with a limited operating history. The change is being proposed to 
permit the Fund to invest in such securities to the extent that PMC believes 
that such investment would be beneficial to the Fund and would not involve 
undue risk. In general, PMC believes that it would be 

                                       26

<PAGE>
 
   
advantageous for the Fund to have the flexibility to invest in recently 
formed companies. Although the Fund will not formally adopt a percentage 
limitation on such investments, it is not expected that PMC will invest more 
than 5% of the Fund's total assets in such securities. 
    

  Certain state blue sky laws may limit the ability of the Fund to invest in 
securities of unseasoned issuers either alone or in combination with certain 
other types of securities such as restricted securities. To the extent 
required by a state securities administrator, the Fund may undertake to limit 
its investment to a specified percentage. 

5(f). Elimination of Fundamental Investment Restriction Regarding Affiliates 
      of Affiliates 

  The Fund's existing fundamental investment restriction regarding securities 
of affiliates of affiliates of the Fund states that the Fund may not: 
  purchase or retain the securities of any issuer if those officers and 
 Trustees of the Fund, their adviser or principal underwriter, owning 
 individually more than one-half of 1% of the securities of such issuer, 
 together own more than 5% of the securities of such issuer. 

  If the elimination of this restriction is approved by shareholders, the 
Trustees will adopt the identical restriction as a non-fundamental policy. 
The restriction is required by the blue sky laws of states in which the Fund 
offers its shares but is not required to be stated as a matter of fundamental 
policy. 

  The change is being proposed to give the Trustees the flexibility to amend 
the restriction if desired without the need for shareholder approval in the 
event of a change in the applicable blue sky laws or if the Fund ceases to 
offer shares in such states. There is no current expectation that either of 
these developments is likely to occur. In the event of such an occurrence, 
PMC will advise the Trustees whether it might be desirable to consider 
changing the restriction. 

5(g). Amendment of Fundamental Investment Restriction Regarding Loans 

  The Fund's existing fundamental investment restriction regarding making 
loans states that the Fund may not: 
  make loans, provided that (i) the purchase of publicly distributed debt 
 securities pursuant to the Fund's investment objectives shall not be deemed 
 loans for the purposes of this restriction; (ii) loans of portfolio 
 securities, as described, from time to time, under "Lending of Portfolio 
 Securities" shall be made only in accordance with the terms and conditions 
 therein set forth and (iii) in seeking a return on temporarily available 
 cash, the Fund may engage in repurchase transactions with banks maturing in 
 one week or less and involving obligations of the U.S. Government, its 
 agencies or instrumentalities. 

  If amended as proposed, the restriction would provide that the Fund may not: 

                                       27

<PAGE>
 
make loans, except by 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. 

  The 1940 Act requires that a Fund state a fundamental investment policy 
regarding making loans. This amendment is being proposed to clarify that the 
Fund may enter into repurchase agreements with brokers pursuant to the 
proposed new repurchase agreement policy discussed in Proposal 5(a) and to 
provide future flexibility to adjust the Fund's repurchase agreement and 
securities lending practices without the need to further revise the 
restriction. 

5(h). Amendment of Fundamental Investment Restriction Regarding Borrowing 

  The Fund's existing fundamental investment restriction regarding borrowing 
states that the Fund may not: 
  borrow money, except that, as a temporary measure for extraordinary or 
 emergency purposes and not for investment purposes, the Fund may borrow from 
 banks up to 10% of the value of their net assets at the time of the 
 borrowing. 

  If amended as proposed, the restriction will provide that the Fund may not: 
  borrow money, except from banks as a temporary measure to facilitate the 
 meeting of redemption requests or for extraordinary or emergency purposes 
 and except pursuant to reverse repurchase agreements or dollar rolls, in all 
 cases in amounts not exceeding 10% of the Fund's total assets (including the 
 amount borrowed) taken at market value. 

   
  The 1940 Act requires that a fund state a fundamental policy regarding 
borrowing. The amendment is being proposed (1) to clarify that the Fund may 
borrow from banks both for extraordinary or emergency purposes and to meet 
redemptions and (2) to give the Fund the future ability to engage in reverse 
repurchase agreements and dollar rolls without the need for shareholder 
approval. 
    

  Reverse repurchase agreements involve sales by a fund of portfolio assets 
concurrently with an agreement by the fund to repurchase the same assets at a 
later date at a fixed price. During the reverse repurchase agreement period, 
the fund continues to receive principal and interest on these securities and 
also has the opportunity to earn a return on the collateral furnished by the 
counterparty to secure its obligation to redeliver the securities. Dollar 
rolls are transactions in which a fund sells securities for delivery in the 
current month and simultaneously contracts to repurchase similar securities 
on a specified future date. During the roll period, the fund forgoes 
principal and interest paid on the securities. The fund is compensated by the 
difference between the current sales price and the forward price for the 
future purchase (often referred to as the "drop") as well as by the interest 
earned on the cash proceeds of the initial sale. 

                                       28

<PAGE>
 
   
  In regard to the permitted uses of bank borrowings, clarification is 
necessary because the current restriction is not explicit with respect to the 
Fund's ability to borrow to meet redemptions. In regard to reverse repurchase 
agreements and dollar rolls, the Fund does not currently engage or desire to 
engage in either of these investment practices in the coming year. However, 
because these common practices may be deemed to constitute borrowings, the 
Trustees believe it is best to create the flexibility to introduce such 
practices at some future time without the need for shareholder approval if 
this becomes desirable. In such event, the Prospectus and Statement of 
Additional Information would be amended accordingly, including the addition 
of appropriate risk disclosure. 
    

5(i). Addition of Fundamental Investment Restriction Regarding "Senior 
      Securities" 

   
  The Trustees propose adopting a fundamental investment restriction regarding 
the issuance of "senior securities" such that the Fund may not: 
  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, 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 Fund's fundamental investment 
 restriction regarding pledging, are not deemed to be senior securities. 
    

  The 1940 Act requires that a fund state a fundamental policy regarding the 
issuance of "senior securities" which are any securities that have 
preferential rights compared to the Fund's shares of beneficial interest. The 
above restriction is being proposed for the purpose of complying with this 
technical requirement and to clarify that the issuance of multiple classes or 
series of shares by the Fund would be permitted and that the investments 
specified therein are not considered to be senior securities. 

   
  Except for forward foreign currency contracts, forward commitments and 
repurchase agreements in which the Fund already engages, the Fund has no 
current intention of engaging in the other listed investment practices in the 
coming year. However, the Trustees believe it is appropriate to provide 
clarification at this time that such practices (and other unspecified 
investment practices) are not covered by the restriction in case it becomes 
desirable to engage in one or more of these practices at some future time. In 
the event that a new practice is implemented, the Prospectus and Statement of 
Additional Information will be revised accordingly, including the addition of 
appropriate risk disclosure. 
    

Trustees' Recommendations 

  At a meeting of the Trustees held on February 2, 1996, the Trustees present 
unanimously approved, and voted to recommend to the shareholders of the Fund 
that they 

                                       29

<PAGE>
 
approve the proposed elimination or amendment of certain of the Fund's 
investment restrictions. In taking such action and making such 
recommendations, the Trustees considered the fact that the proposed changes 
will provide clarification relating to certain investment restrictions and 
flexibility to adjust to changing regulations and markets and new investment 
techniques without continually incurring the significant expense involved in 
soliciting proxies and holding shareholder meetings. The Trustees believe 
that this increased clarity and flexibility will be beneficial to present 
shareholders as well as potential investors. 

  Except as described in this Proxy Statement, approval of the proposed 
changes to the investment restrictions will not result in changes in the 
Trustees, officers, investment programs and services or any operations that 
are described in the Fund's current Prospectus and Statement of Additional 
Information. 

Required Vote 

  Adoption of each of Proposals 5(a) through 5(i) requires the affirmative 
1940 Act Majority Vote of the Fund. 

  If all or some of the Proposals are not approved by the shareholders of the 
Fund, the Fund will continue to adhere to the current investment 
restriction(s) as to which no change has been approved. 

  Please note that the Fund is registered in Germany, Austria and Switzerland 
and that any changes made to the Fund's investment restrictions are subject 
to review by German, Austrian and Swiss securities authorities. Such 
authorities may require investment restrictions more restrictive than those 
approved by shareholders. Accordingly, in such event the changes to the 
Fund's investment restrictions approved hereby will only take effect to the 
extent approved by German, Austrian and Swiss securities authorities. 

  FOR THE REASONS SET FORTH ABOVE, THE TRUSTEES RECOMMEND THAT THE 
SHAREHOLDERS OF THE FUND VOTE IN FAVOR OF THE APPROVAL OF THE PROPOSALS TO 
ELIMINATE, AMEND OR ADD CERTAIN INVESTMENT RESTRICTIONS. 

                                OTHER MATTERS 

Shareholder Proposals 

  The Fund is not required to hold annual meetings of shareholders and does 
not currently intend to hold such a meeting of shareholders in 1997. 

Shares Held in Retirement Plans 

  The Fund is permitted to vote any shares held in Retirement Plans and will 
do so if necessary to obtain a quorum. 

Proxies, Quorum and Voting at the Meeting 

  Any person giving a proxy has the power to revoke it at any time prior to 
its exercise by executing a superseding proxy or by submitting a notice of 
revocation to the Secretary 

                                       30

<PAGE>
 
of the Fund. In addition, although mere attendance at the Meeting will not 
revoke a proxy, a shareholder present at the Meeting may withdraw his or her 
proxy and vote in person. All properly executed and unrevoked proxies 
received in time for the Meeting will be voted in accordance with the 
instructions contained in the proxies. If no instruction is given, the 
persons named as proxies will vote the shares represented thereby in favor of 
the Proposals described above and will use their best judgment in connection 
with the transaction of such other business as may properly come before the 
Meeting or any adjournment thereof. 

  A majority of the shares entitled to vote -- present in person or 
represented by proxy -- constitutes a quorum for the transaction of business 
with respect to any proposal (unless otherwise noted in the Proxy Statement). 
In the event that at the time any session of the Meeting is called to order a 
quorum is not present in person or by proxy, the persons named as proxies may 
vote those proxies which have been received to adjourn the Meeting to a later 
date. In the event that a quorum is present but sufficient votes in favor of 
any of the Proposals, including the election of the nominees to the Board of 
Trustees, have not been received, the persons named as proxies may propose 
one or more adjournments of the Meeting to permit further solicitation of 
proxies with respect to such Proposal. Any such adjournment will require the 
affirmative vote of more than one half of the shares of the Fund present in 
person or by proxy at the session of the Meeting to be adjourned. The persons 
named as proxies will vote those proxies which they are entitled to vote in 
favor of any such Proposal in favor of such an adjournment and will vote 
those proxies required to be voted against any such Proposal against any such 
adjournment. A shareholder vote may be taken on one or more of the Proposals 
in the proxy statement prior to such adjournment if sufficient votes for its 
approval have been received and it is otherwise appropriate. Such vote will 
be considered final regardless of whether the Meeting is adjourned to permit 
additional solicitation with respect to any other Proposal. 

  Shares of the Fund represented at the Meeting (including, shares which 
abstain or do not vote with respect to one or more of the Proposals) will be 
counted for purposes of determining whether a quorum is present at the 
Meeting. Abstentions will be treated as shares that are present and entitled 
to vote for purposes of determining the number of shares that are present and 
entitled to vote with respect to any particular Proposal, but will not be 
counted as a vote in favor of such Proposal. Accordingly, an abstention from 
voting on a Proposal has the same legal effect as a vote against the 
Proposal. 

  Adoption by the shareholders of any of Proposals 2, 3 and 5(a) through 5(i) 
requires the affirmative vote of the lesser of (i) 67% or more of the voting 
securities of the Fund present at the Meeting, if the holders of more than 
50% of the shares of the Fund are present or represented by proxy at the 
Meeting, or (ii) 50% or more of the outstanding shares of the Fund. If a 
broker or nominee holding shares in "street name" indicates on the proxy that 
it does not have discretionary authority to vote as to any Proposal, those 
shares will not be considered as present and entitled to vote as to that 
Proposal. Accordingly, a "broker non-vote" has no effect on the voting in 
determining whether a Proposal has been adopted pursuant to item (i) above, 
provided that the holders of more than 50% of the outstanding shares 
(excluding the "broker non-votes") of the Fund are present or represented by 
proxy. However, with respect to determining whether a Proposal has been 

                                       31

<PAGE>
 
adopted pursuant to item (ii) above, because shares represented by a "broker 
non-vote" are considered outstanding shares, a "broker non-vote" has the same 
legal effect as a vote against such Proposal. 

Other Business 

  While the Meeting has been called to transact any business that may properly 
come before it, the only matters that the Trustees intend to present are 
those matters stated in the attached Notice of Special Meeting of 
Shareholders. However, if any additional matters properly come before the 
Meeting, and on all matters incidental to the conduct of the Meeting, it is 
the intention of the persons named in the enclosed proxy to vote the proxy in 
accordance with their judgment on such matters unless instructed to the 
contrary. 

Methods of Solicitation and Expenses 

  The cost of preparing, assembling and mailing this proxy statement and the 
attached Notice of Special Meeting of Shareholders and the accompanying proxy 
card will be borne by PMC. In addition to soliciting proxies by mail, PMC 
may, at PMC's expense, have one or more Fund officers, representatives or 
compensated third-party agents, including PMC, PSC and PFD, aid in the 
solicitation of proxies by personal interview or telephone and telegraph and 
may request brokerage houses and other custodians, nominees and fiduciaries 
to forward proxy soliciting material to the beneficial owners of the shares 
held of record by such persons. 

  The Fund may also arrange to have votes recorded by telephone. The telephone 
voting procedure is designed to authenticate shareholders' identities, to 
allow shareholders to authorize the voting of their shares in accordance with 
their instructions and to confirm that their instructions have been properly 
recorded. The Fund has been advised by counsel that these procedures are 
consistent with the requirements of applicable law. If these procedures were 
subject to a successful legal challenge, such votes would not be counted at 
the Meeting. The Fund is unaware of any such challenge at this time. 
Shareholders would be called at the phone number PSC has in its records for 
their accounts, and would be asked for their Social Security number or other 
identifying information. The shareholders would then be given an opportunity 
to authorize proxies to vote their shares at the Meeting in accordance with 
their instructions. To ensure that the shareholders' instructions have been 
recorded correctly, they will also receive a confirmation of their 
instructions in the mail. A special toll-free number will be available in 
case the information contained in the confirmation is incorrect. 

  Persons holding shares as nominees will be reimbursed by PMC, upon request, 
for the reasonable expenses of mailing soliciting materials to the principals 
of the accounts. 

   
  March 18, 1996 
    


                                       32

<PAGE>
 
   
                                   APPENDIX 
    

Additional Information Pertaining to PMC 

Directors. 

   
  Information regarding the affiliations of Mr. Cogan, Chairman of PMC, and 
Mr. Tripple, President and a Director of PMC, is contained in Proposal 1 of 
this Proxy Statement. The following table provides information with respect 
to the other Director of PMC: 
    


<TABLE>
<CAPTION>
 Name, Age and Address                              Principal Occupation(s) 
- ------------------------    ----------------------------------------------------------------------- 
<S>                         <C>
Robert L. Butler, 55        Executive Vice President and a Director of PGI; President and a 
60 State Street             Director of PFD; Director of PSC, PIC, and P. Intl.; Vice Chairman of 
Boston, MA 02109            Pioneer GmbH; and a Member of the Supervisory Board of PFPT. 
</TABLE>

   
   Ownership of PMC.  PMC is a wholly-owned subsidiary of PGI. As of December 
31, 1995, Mr. Cogan beneficially owned 3,721,841 shares (14.99%) of the 
outstanding Common Stock of PGI. Mr. Cogan's beneficial holdings included 
711,190 shares held in trusts with respect to which Mr. Cogan may be deemed 
to be a beneficial owner by reason of his interest as a beneficiary and/or 
position as a trustee and shares which Mr. Cogan has the right to acquire 
under outstanding options within sixty days of December 31, 1995. At such 
date, Messrs. Butler and Tripple, PMC's other directors, each owned 
beneficially less than 2% of the outstanding Common Stock of PGI. As of 
December 31, 1995, officers and directors of PMC and Trustees and officers of 
the Fund beneficially owned an aggregate of 4,816,019 shares of Common Stock 
of PGI, approximately 19.39% of the outstanding Common Stock of PGI. During 
PGI's fiscal year ended December 31, 1995 there were no transactions in PGI 
Common Stock by any officer, Trustee of the Fund or Director of PMC in an 
amount equal to or exceeding 1% of the outstanding Common Stock of PGI. 
    

   Services Provided to the Fund By Affiliates of PMC.  PSC serves as the 
Fund's transfer agent and shareholder servicing agent. Under the terms of its 
contract with the Fund, PSC's 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 certain account records and responding to routine shareholder 
inquires. For the fiscal year ended December 31, 1995 the Fund paid PSC 
approximately $6,469,000 in fees for these services. 

   
   PFD, an indirect wholly owned subsidiary of PGI, serves as the Fund's 
principal underwriter. For the fiscal year ended December 31, 1995, the Fund 
paid PFD approximately $3,776,000 in distribution fees pursuant to the Fund's 
Distribution Plan. Such fees are paid to PFD in reimbursement of expenses 
related to servicing of shareholder accounts and compensating broker/dealers 
and sales personnel. For the same period, PFD earned net underwriting 
commissions in connection with its offering of shares of the Fund in the 
amount of approximately $924,000. Commissions of approximately $6,147,000 
were reallowed to dealers. 
    

   
   Similar Funds Managed By PMC.  PMC serves as the investment manager to the 
following funds with investment objectives similar to the Fund's objectives: 
    


                                       33

<PAGE>
 
<TABLE>
<CAPTION>
                         Annual                                     Name of Fund 
                   Management Fee Rate                      (Net Assets as of 12/31/95) 
- --------------------------------------------------------    ---------------------------- 
<S>                                                         <C>
0.50% on average net assets up to $250 million;             Pioneer II* 
0.48% on the next $50 million in average net assets;        ($5,213,781,000) 
0.45% on average net assets exceeding $300 million; 
1.00% on average net assets                                 Pioneer Real Estate Shares 
                                                            ($27,000,000) 
0.65% on average net assets up to $300 million;             Pioneer Equity-Income Fund 
0.60% on the next $200 million in average net assets;       ($358,491,000) 
0.50% on the next $500 million in average net assets; 
0.45% on net average assets exceeding $1 billion 
</TABLE>

* A proposal has been submitted to the shareholders of Pioneer II to change 
the annual management fee rate so that the rate will be 0.60% on average net 
assets, adjusted by up to |[email protected]% to reflect Pioneer II's performance. 

   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 Current and Proposed Management Contracts. In selecting 
brokers or dealers, PMC considers factors relating to execution on the best 
overall terms available, including, but not limited to, the size and type of 
the transaction; the nature and character of the markets of the security to 
be purchased or sold; the execution efficiency, settlement capability and 
financial condition of the dealer; the dealer's execution services rendered 
on a continuing basis; and the reasonableness of any dealer spreads. 

   PMC may select broker-dealers which provide brokerage and/or research 
services to the Fund and/or other investment companies or accounts managed by 
PMC. Such research services must be lawful and appropriate assistance to PMC 
in the performance of its investment decision making responsibilities and 
could 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 analysis 
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). In addition, if PMC determines in good faith that 
the amount of commissions charged by a broker 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 in an amount greater than the amount 
another firm may charge. This information might be useful to PMC in providing 
services to the Fund as well as to other investment companies or accounts 
managed by PMC, although not all of such research may be useful to the Fund. 
Conversely, such information provided to PMC by brokers and dealers through 
whom other clients of PMC effect securities transactions might be useful to 
PMC in providing services to the Fund. The receipt of such research is not 
expected to reduce PMC's normal independent research activities; however, it 
enables PMC to avoid the additional expense which might otherwise be incurred 
if it were to attempt to develop comparable information through its own 
staff. 

                                       34

<PAGE>
 
EXHIBIT A 

                             MANAGEMENT CONTRACT 

   THIS AGREEMENT dated this 1st day of May, 1996 between Pioneer Fund, a 
Delaware business trust (the "Trust"), and Pioneering Management Corporation, 
a Delaware corporation (the "Manager"). 

                             W I T N E S S E T H 

   WHEREAS, the Trust is registered as an open-end, diversified, management 
investment company under the Investment Company Act of 1940, as amended (the 
"1940 Act"), and has filed with the Securities and Exchange Commission (the 
"Commission") a registration statement (the "Registration Statement") for the 
purpose of registering its shares for public offering under the Securities 
Act of 1933, as amended (the "1933 Act"), 

   WHEREAS, the parties hereto deem it mutually advantageous that the Manager 
should be engaged, subject to the supervision of the Trust's Board of 
Trustees and officers, to manage the Trust. 

   NOW, THEREFORE, in consideration of the mutual covenants and benefits set 
forth herein, the Trust and the Manager do hereby agree as follows: 

   1. (a) The Manager will regularly provide the Trust with investment 
research, advice and supervision and will furnish continuously an investment 
program for the Trust, consistent with the investment objectives and policies 
of the Trust. The Manager will determine from time to time what securities 
shall be purchased for the Trust, what securities shall be held or sold by 
the Trust and what portion of the Trust's assets shall be held uninvested as 
cash, subject always to the provisions of the Trust's Certificate of Trust, 
Agreement and Declaration of Trust, By-Laws and its registration statements 
under the 1940 Act and under the 1933 Act covering the Trust's shares, as 
filed with the Securities and Exchange Commission, and to the investment 
objectives, policies and restrictions of the Trust, as each of the same shall 
be from time to time in effect, and subject, further, to such policies and 
instructions as the Board of Trustees of the Trust may from time to time 
establish. To carry out such determinations, the Manager will exercise full 
discretion and act for the Trust in the same manner and with the same force 
and effect as the Trust itself might or could do with respect to purchases, 
sales or other transactions, as well as with respect to all other things 
necessary or incidental to the furtherance or conduct of such purchases, 
sales or other transactions. 

   (b) The Manager will, to the extent reasonably required in the conduct of 
the business of the Trust and upon the Trust's request, furnish to the Trust 
research, statistical and advisory reports upon the industries, businesses, 
corporations or securities as to which such requests shall be made, whether 
or not the Trust shall at the time have any investment in such industries, 
businesses, corporations or securities. The Manager will use its best efforts 
in the preparation of such reports and will endeavor to consult the persons 
and sources believed by it to have information available with respect to such 
industries, businesses, corporations or entities. 

                                       A-1

<PAGE>
 
(c) The Manager will maintain all books and records with respect to the 
Trust's securities transactions required by subparagraphs (b)(5), (6), (9) 
and (10) and paragraph (f) of Rule 31a-1 under the 1940 Act (other than those 
records being maintained by the custodian or transfer agent appointed by the 
Trust) and preserve such records for the periods prescribed therefor by Rule 
31a-2 under the 1940 Act. The Manager will also provide to the Board of 
Trustees such periodic and special reports as the Board may reasonably 
request. 

   2. (a) Except as otherwise provided herein, the Manager, at its own 
expense, shall furnish to the Trust office space in the offices of the 
Manager or in such other place as may be agreed upon from time to time, and 
all necessary office facilities, equipment and personnel for managing the 
Trust's affairs and investments, and shall arrange, if desired by the Trust, 
for members of the Manager's organization to serve as officers or agents of 
the Trust. 

   (b) The Manager shall pay directly or reimburse the Trust for: (i) the 
compensation (if any) of the Trustees who are affiliated with, or "interested 
persons" (as defined in the 1940 Act) of, the Manager and all officers of the 
Trust as such; and (ii) all expenses not hereinafter specifically assumed by 
the Trust where such expenses are incurred by the Manager or by the Trust in 
connection with the management of the affairs of, and the investment and 
reinvestment of the assets of, the Trust. 

   
   (c) The Trust shall assume and shall pay: (i) charges and expenses for 
fund accounting, pricing and appraisal services and related overhead, 
including, to the extent such services are performed by personnel of the 
Manager, or its affiliates, office space and facilities and personnel 
compensation, training and benefits; (ii) the charges and expenses of 
auditors; (iii) the charges and expenses of any custodian, transfer agent, 
plan agent, dividend disbursing agent and registrar appointed by the Trust 
with respect to the Trust; (iv) issue and transfer taxes chargeable to the 
Trust in connection with securities transactions to which the Trust is a 
party; (v) insurance premiums, interest charges, dues and fees for membership 
in trade associations and all taxes and corporate fees payable by the Trust 
to federal, state or other governmental agencies; (vi) fees and expenses 
involved in registering and maintaining registrations of the Trust and/or its 
shares with the Commission, state or blue sky securities agencies and foreign 
countries, including the preparation of Prospectuses and Statements of 
Additional Information for filing with the Commission; (vii) all expenses of 
shareholders' and Trustees' meetings and of preparing, printing and 
distributing prospectuses, notices, proxy statements and all reports to 
shareholders and to governmental agencies; (viii) charges and expenses of 
legal counsel to the Trust and the Trustees; (ix) any distribution fees paid 
by the Trust in accordance with Rule 12b-1 promulgated by the Commission 
pursuant to the 1940 Act; (x) compensation of those Trustees of the Trust who 
are not affiliated with or interested persons of the Manager, the Trust 
(other than as Trustees), The Pioneer Group, Inc. or Pioneer Funds 
Distributor, Inc.; (xi) the cost of preparing and printing share 
certificates; and (xii) interest on borrowed money, if any. 
    

   (d) In addition to the expenses described in Section 2(c) above, the Trust 
shall pay all brokers' and underwriting commissions chargeable to the Trust 
in connection with securities transactions to which the Trust is a party. 

                                       A-2

<PAGE>
 
3. (a) The Trust shall pay to the Manager, as compensation for the 
Manager's services and expenses assumed hereunder, a fee as set forth below. 
Management fees payable hereunder shall be computed daily and paid monthly in 
arrears. 

   (i) The fee payable hereunder shall be composed of the Basic Fee (defined 
below) and a Performance Adjustment (defined below) to the Basic Fee based 
upon the investment performance of the Trust in relation to the investment 
record of a securities index determined by the Trustees of the Trust to be 
appropriate over the same period. The Trustees have initially designated the 
Lipper Growth & Income Funds Index (the "Index") for this purpose. 

   
   (ii) From time to time, the Trustees may by a vote of the Trustees of the 
Trust voting in person, including a majority of its Trustees who are not 
parties to this Agreement or "interested persons" (as defined in the 1940 
Act) of any such parties, determine that another securities index is a more 
appropriate benchmark than the Index for purposes of evaluating the 
performance of the Trust. In such event, after ten days' written notice to 
the Manager, a successor index (the "Successor Index") may be substituted for 
the Index in prospectively calculating the Performance Adjustment. However, 
the calculation of that portion of the Performance Adjustment attributable to 
any portion of the performance period prior to the adoption of the Successor 
Index will still be based upon the Trust's performance compared to the Index. 
    

   (iii) The Basic Fee is payable at an annual rate of 0.60% of the Trust's 
average daily net assets. 

   (iv) The Performance Adjustment consists of an adjustment to the monthly 
Basic Fee to be made by applying a performance adjustment rate to the average 
net assets of the Trust over the performance period. The resulting dollar 
figure will be added to or subtracted from the Basic Fee depending on whether 
the Trust experienced better or worse performance than the Index. 

   The Performance Adjustment rate is 0.01% per annum for each percentage 
point rounded to the nearer point (the higher point if exactly one-half 
point) that the Trust's investment performance for the period was better or 
worse than the record of the Index as then constituted. The maximum 
performance adjustment is 0.10% per annum. In addition, as the Trust's 
average daily net assets over the performance period may differ substantially 
from the Trust's average daily net assets during the current year, the 
performance adjustment may be further adjusted to the extent necessary to 
insure that the total adjustment to the Basic Fee on an annualized basis does 
not exceed 0.10%. 

   The initial performance period will consist of the 36 month period 
beginning June 1, 1993 and ending May 31, 1996. Each month thereafter, the 
performance period shall consist of the current month plus the preceding 35 
months. In the event that the inclusion in the rolling performance period of 
aggregate results from prior to May 1, 1996 would have the effect of 
increasing the Basic Fee for any month, such aggregate prior results will be 
treated as Index neutral for purposes of calculating the performance 
adjustment for such month. 

   The Trust's investment performance will be measured by comparing the (i) 
opening net asset value of one share of the Trust on the first business day 
of the performance period 

                                       A-3

<PAGE>
 
with (ii) the closing net asset value of the one share of the Trust as of the 
last business day of such period. In computing the investment performance of 
the Trust and the investment record of the Index, distributions of realized 
capital gains, the value of capital gains taxes per share paid or payable on 
undistributed realized long-term capital gains accumulated to the end of such 
period and dividends paid out of investment income on the part of the Trust, 
and all cash distributions of the companies whose stock comprise the Index, 
will be treated as reinvested in accordance with Rule 205-1 or any other 
applicable rule under the Investment Advisers Act of 1940, as the same from 
time to time may be amended. 

   The computation of the performance adjustment will not be cumulative. A 
positive fee adjustment will apply even though the performance of the Trust 
over some period of time shorter than the performance period has been behind 
that of the Index, and, conversely, a negative fee adjustment will apply for 
the month even though the performance of the Trust over some period of time 
shorter than the performance period has been ahead of that of the Index. 

   
   (v) An appropriate percentage (based on the number of days in the current 
month) of the annual Performance Adjustment rate shall be multiplied by the 
average of the net assets of the Trust (computed in the manner set forth in 
the Declaration of Trust of the Trust adjusted as provided above, if 
applicable) determined as of the close of business on each business day 
through out the performance period. The resulting dollar amount is added to 
or deducted from the Basic Fee. 
    

   
   (vi) In the event of termination of this Agreement, the Basic Fee then in 
effect shall be computed on the basis of the period ending on the last 
business day on which this Agreement is in effect subject to a pro rata 
adjustment based on the number of days elapsed in the current month as a 
percentage of the total number of days in such month. The amount of any 
Performance Adjustment to the Basic Fee will be computed on the basis of and 
applied to net assets averaged over the 36 month period ending on the last 
business day on which this Agreement is in effect, provided that if this 
Agreement has been in effect less than 36 months, the computation will be 
made on the basis of the period of time during which it has been in effect. 
    

   (b) If the operating expenses of the Trust in any year exceed the limits 
set by state securities laws or regulations in states in which shares of the 
Trust are sold, the amount payable to the Manager under subsection (a) above 
will be reduced (but not below $0), and the Manager shall make other 
arrangements concerning expenses but, in each instance, only as and to the 
extent required by such laws or regulations. If amounts have already been 
advanced to the Manager under this Agreement, the Manager will return such 
amounts to the Trust to the extent required by the preceding sentence. 

   (c) In addition to the foregoing, the Manager may from time to time agree 
not to impose all or a portion of its fee otherwise payable hereunder (in 
advance of the time such fee or a portion thereof would otherwise accrue) 
and/or undertake to pay or reimburse the Trust for all or a portion of its 
expenses not otherwise required to be borne or reimbursed by the Manager. Any 
such fee reduction or undertaking may be discontinued or modified by the 
Manager at any time. 

                                       A-4

<PAGE>
 
4. It is understood that the Manager may employ one or more sub-investment 
advisers (each a "Subadviser") to provide investment advisory services to the 
Trust by entering into a written agreement with each such Subadviser; 
provided, that any such agreement first shall be approved by the vote of a 
majority of the Trustees, including a majority of the Trustees who are not 
"interested persons" (as defined in the 1940 Act) of the Trust, the Manager 
or any such Subadviser, at a meeting of Trustees called for the purpose of 
voting on such approval and by the affirmative vote of a "majority of the 
outstanding voting securities" (as defined in the 1940 Act) of the Trust. The 
authority given to the Manager in Sections 1 through 6 hereof may be 
delegated by it under any such agreement; provided, that any Subadviser shall 
be subject to the same restrictions and limitations on investments and 
brokerage discretion as the Manager. The Trust agrees that the Manager shall 
not be accountable to the Trust or the Trust's shareholders for any loss or 
other liability relating to specific investments directed by any Subadviser, 
even though the Manager retains the right to reverse any such investment, 
because, in the event a Subadviser is retained, the Trust and the Manager 
will rely almost exclusively on the expertise of such Subadviser for the 
selection and monitoring of specific investments. 

   5. The Manager 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 security on the 
recommendation of the Manager, whether or not such recommendation shall have 
been based upon its own investigation and research or upon investigation and 
research made by any other individual, firm or corporation, but nothing 
contained herein will be construed to protect the Manager against any 
liability to the Trust or its shareholders 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 this Agreement. 

   6. (a) Nothing in this Agreement will in any way limit or restrict the 
Manager or any of its officers, directors, or employees from buying, selling 
or trading in any securities for its or their own accounts or other accounts. 
The Manager may act as an investment advisor to any other person, firm or 
corporation, and may perform management and any other services for any other 
person, association, corporation, firm or other entity pursuant to any 
contract or otherwise, and take any action or do any thing in connection 
therewith or related thereto; and no such performance of management or other 
services or taking of any such action or doing of any such thing shall be in 
any manner restricted or otherwise affected by any aspect of any relationship 
of the Manager to or with the Trust or deemed to violate or give rise to any 
duty or obligation of the Manager to the Trust except as otherwise imposed by 
law. The Trust recognizes that the Manager, in effecting transactions for its 
various accounts, may not always be able to take or liquidate investment 
positions in the same security at the same time and at the same price. 

   (b) In connection with purchases or sales of securities for the account of 
the Trust, neither the Manager nor any of its Trustees, officers or employees 
will act as a principal or agent or receive any commission except as 
permitted by the 1940 Act. The Manager shall arrange for the placing of all 
orders for the purchase and sale of securities for the Trust's account with 
brokers or dealers selected by the Manager. In the selection of such brokers 
or dealers and the placing of such orders, the Manager is directed at all 
times 

                                       A-5

<PAGE>
 
to seek for the Trust the most favorable execution and net price available 
except as described herein. It is also understood that it is desirable for 
the Trust that the Manager have access to supplemental investment and market 
research and security and economic analyses provided by brokers who may 
execute brokerage transactions at a higher cost to the Trust than may result 
when allocating brokerage to other brokers on the basis of seeking the most 
favorable price and efficient execution. Therefore, the Manager is authorized 
to place orders for the purchase and sale of securities for the Trust with 
such brokers, subject to review by the Trust's Trustees from time to time 
with respect to the extent and continuation of this practice. It is 
understood that the services provided by such brokers may be useful to the 
Manager in connection with its or its affiliates' services to other clients. 

   (c) On occasions when the Manager deems the purchase or sale of a security 
to be in the best interest of the Trust as well as other clients, the 
Manager, to the extent permitted by applicable laws and regulations, may 
aggregate the securities to be sold or purchased in order to obtain the best 
execution and lower brokerage commissions, if any. In such event, allocation 
of the securities so purchased or sold, as well as the expenses incurred in 
the transaction, will be made by the Manager in the manner it considers to be 
the most equitable and consistent with its fiduciary obligations to the Trust 
and to such clients. 

   
   7. This Agreement shall become effective on the date hereof and shall 
remain in force until May 31, 1997 and from year to year thereafter, but only 
so long as its continuance is approved annually by a vote of the Trustees of 
the Trust voting in person, including a majority of its Trustees who are not 
parties to this Agreement or "interested persons" (as defined in the 1940 
Act) of any such parties, at a meeting of Trustees called for the purpose of 
voting on such approval or by a vote of a "majority of the outstanding voting 
securities" (as defined in the 1940 Act) of the Trust, subject to the right 
of the Trust and the Manager to terminate this contract as provided in 
Section 8 hereof. 
    

   8. Either party hereto may, without penalty, terminate this Agreement by 
vote of its Board of Trustees or Directors, as the case may be, or by vote of 
a "majority of its outstanding voting securities" (as defined in the 1940 
Act) and the giving of 60 days' written notice to the other party. 

   9. This Agreement shall automatically terminate in the event of its 
assignment. For purposes of this Agreement, the term "assignment" shall have 
the meaning given it by Section 2(a)(4) of the 1940 Act. 

   10. The Trust agrees that in the event that neither the Manager nor any of 
its affiliates acts as an investment adviser to the Trust, the name of the 
Trust will be changed to one that does not contain the name "Pioneer" or 
otherwise suggest an affiliation with the Manager. 

   11. The Manager is an independent contractor and not an employee of the 
Trust for any purpose. If any occasion should arise in which the Manager 
gives any advice to its clients concerning the shares of the Trust, the 
Manager will act solely as investment counsel for such clients and not in any 
way on behalf of the Trust or any series thereof. 

   12. This Agreement states the entire agreement of the parties hereto, and 
is intended to be the complete and exclusive statement of the terms hereof. 
It may not be 

                                       A-6

<PAGE>
 
added to or changed orally, and may not be modified or rescinded except by a 
writing signed by the parties hereto and in accordance with the 1940 Act, 
when applicable. 

   13. This Agreement and all performance hereunder shall be governed by and 
construed in accordance with the laws of The Commonwealth of Massachusetts. 

   14. Any term or provision of this Agreement which is invalid or 
unenforceable in any jurisdiction shall, as to such jurisdiction be 
ineffective to the extent of such invalidity or unenforceability without 
rendering invalid or unenforceable the remaining terms or provisions of this 
Agreement or affecting the validity or enforceability of any of the terms or 
provisions of this Agreement in any other jurisdiction. 

   15. This Agreement may be executed simultaneously in two or more 
counterparts, each of which shall be deemed an original, but all of which 
together shall constitute one and the same instrument. 

   IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be 
executed by their duly authorized officers and their seal to be hereto 
affixed as of the day and year first above written. 

ATTEST:                          PIONEER FUND 
- -----------------------------    By:-----------------------------
Joseph P. Barri                     John F. Cogan, Jr. 
Secretary                           Chairman and President 

ATTEST:                          PIONEERING MANAGEMENT 
                                 CORPORATION 

- -----------------------------    By:-----------------------------
Joseph P. Barri                     David D. Tripple
Secretary                           President 

                                       A-7

<PAGE>
 
                                                                       EXHIBIT B

                     AGREEMENT AND PLAN OF REORGANIZATION 

   THIS AGREEMENT AND PLAN OF REORGANIZATION is made as of the day of April, 
1996, by and between Pioneer Fund, a Massachusetts business trust (the 
"Current Fund"), and Pioneer Fund, a business trust duly formed under the 
laws of the State of Delaware (the "Successor Trust"). 

   This Agreement is intended to be and is adopted as a plan of 
reorganization within the meaning of Section 368 (a)(1) of the U.S. Internal 
Revenue Code of 1986, as amended (the "Code"), and is intended to effect the 
reorganization (a "reorganization") of the Current Fund, as a new separate 
series of the Successor Trust. The reorganization will involve the transfer 
of all of the assets of the Current Fund to the sole series of the Successor 
Trust (the "Successor Fund") solely in exchange for (1) assumption by the 
Successor Fund of all liabilities of the Current Fund and (2) the issuance of 
shares of beneficial interest (the "Successor Shares") by the Successor Trust 
on behalf of the Successor Fund to the Current Fund, followed by the pro rata 
distribution on the Closing Date (as defined below) of the Successor Shares 
to the holders of shares of beneficial interest of the Current Fund (the 
"Current Fund Shareholders") in exchange for their shares of the Current Fund 
in liquidation and termination of the Current Fund, all upon the terms and 
conditions hereinafter set forth in this Agreement. 

   In consideration of the premises and of the covenants and agreements 
hereinafter set forth the parties hereto covenant and agree as follows. 

1. TRANSFER OF ASSETS OF THE CURRENT FUND IN EXCHANGE FOR ASSUMPTION OF 
   LIABILITIES AND ISSUANCE OF SUCCESSOR SHARES OF THE SUCCESSOR TRUST; 
   TERMINATION OF THE CURRENT FUND 

   1.1 Subject to the terms and conditions set forth herein and on the basis 
of the representations and warranties contained herein, the Current Fund 
agrees to transfer all of the assets of the Current Fund as set forth in 
paragraph 1.2 and assign and transfer all of its liabilities to the Successor 
Fund of the Successor Trust which has been established solely for the purpose 
of acquiring all of the assets and assuming all of the liabilities of the 
Current Fund. The Successor Trust has not issued any Shares or commenced 
operations. The Successor Trust on behalf of the Successor Fund agrees that 
in exchange for all of the assets of the Current Fund (1) the Successor Fund 
shall assume all of the liabilities of the Current Fund, whether contingent 
or otherwise, then existing, and further (2) the Successor Trust shall 
deliver to the Current Fund the number of full and fractional Successor 
Shares equal to the value of the assets of the Current Fund transferred to 
the Successor Fund, minus the liabilities of the Current Fund assumed by the 
Successor Fund (the "Net Assets"), as described in paragraph 3.1 on the 
Closing Date provided for in paragraph 3.1. Such transactions shall take 
place at the Closing provided for in paragraph 3.1. 

   1.2 The assets of the Current Fund to be acquired by the Successor Fund 
shall include, without limitation, all cash, cash equivalents, securities, 
receivables (including interest and dividends receivable), any claims or 
rights of action or rights to register shares 

                                       B-1

<PAGE>
 
under applicable securities laws, any books or records of the Current Fund 
and other property owned by the Current Fund and any deferred or prepaid 
expenses shown as assets on the books of the Current Fund on the Closing Date 
provided for in paragraph 3.1. 

   1.3 Immediately upon delivery to the Current Fund of Successor Shares, any 
duly authorized officer of the Current Fund shall cause the Current Fund, as 
the then sole shareholder of the Successor Fund, to (i) elect as Trustees of 
the Successor Trust the persons who currently serve as Trustees of the 
Current Fund; (ii) ratify the selection of the independent accountants; (iii) 
approve an investment advisory agreement for the Successor Fund in the form 
currently approved by the shareholders of the Current Fund; (iv) approve a 
Rule 12b-1 plan in the form currently in place with respect to the Current 
Fund; and (v) adopt, on behalf of the Successor Fund, the investment 
objectives, investment policies and investment restrictions of the Current 
Fund. 

   1.4 As provided in paragraph 3.4, on the Closing Date the Current Fund 
will distribute in liquidation the Successor Shares pro rata in proportion to 
the Current Fund's respective shares of beneficial interest in the Current 
Fund ("Current Fund Shares") to Current Fund Shareholders of record 
determined as of the close of business on the Closing Date, in exchange for 
the Current Fund Shares. Such distribution will be accomplished by the 
transfer of the Successor Shares then credited to the account of the Current 
Fund on the share records of the Successor Trust to open accounts on those 
records in the names of the Current Fund Shareholders and representing the 
respective pro rata number of the Successor Shares received from the 
Successor Trust on behalf of the Successor Fund due the Current Fund 
Shareholders. The Successor Trust shall not issue certificates representing 
Successor Shares in connection with such distribution. Fractional Successor 
Shares shall be rounded to the third place after the decimal point. 

   1.5 As soon as practicable after the distribution of the Successor Shares 
as set forth in Section 1.4, the Current Fund shall be terminated and any 
such further actions shall be taken in connection therewith as are required 
by applicable law. 

   1.6 Ownership of the Successor Shares of each Successor Fund Shareholder 
shall be maintained separately on the books of Pioneering Services 
Corporation as the Successor Trust's shareholder services and transfer agent. 

   1.7 Any transfer taxes payable upon issuance of Successor Shares in a name 
other than the registered holder of the Current Fund Shares on the books of 
the Current Fund as of that time shall be paid by the person to whom such 
Successor Shares are to be distributed as a condition of such transfer. 

2. VALUATION 

   2.1 The value of the Current Fund's Net Assets to be acquired by the 
Successor Trust on behalf of the Successor Fund hereunder shall be the net 
asset value computed as of the valuation time provided in the Current Fund's 
prospectus on the Closing Date using the valuation procedures set forth in 
the Current Fund's current prospectus or statement of additional information. 

                                       B-2

<PAGE>
 
2.2 The value of full and fractional Successor Shares to be issued in 
exchange for the Current Fund's Net Assets shall be equal to the value of the 
Net Assets of the Current Fund on the Closing Date, and the number of such 
Successor Shares shall equal the number of full and fractional Current Fund 
Shares of the Current Fund on the Closing Date. 

   2.3 All computations of value shall be made by Brown Brothers Harriman & 
Co. as custodian for the Current Fund and the Successor Trust. 

3. CLOSING AND CLOSING DATE 

   3.1 The transfer of the Current Fund's assets in exchange for the 
assumption by the Successor Fund of the Current Fund's liabilities and the 
issuance of Successor Shares to the Current Fund, as described above, 
together with related acts necessary to consummate such acts (the "Closing"), 
shall occur at the offices of Hale and Dorr at 60 State Street, Boston, 
Massachusetts 02109 on April 30, 1996 ("Closing Date"), or at such other 
place or date on or prior to May 31, 1996 as the parties may agree in 
writing. All acts taking place at the Closing shall be deemed to take place 
simultaneously as of the last daily determination of the net asset value of 
any Current Fund or at such other time and/or place as the parties may agree. 

   3.2 In the event that on the Closing Date (a) the New York Stock Exchange 
is closed to trading or trading thereon is restricted or (b) trading or 
reporting of trading on said Exchange or in any market in which portfolio 
securities of any Current Fund are traded is disrupted so that accurate 
appraisal of the value of the total net assets of the Current Fund is 
impracticable, the Closing shall be postponed until the first business day 
upon which trading shall have been fully resumed and reporting shall have 
been restored. 

   3.3 The Current Fund shall deliver at the Closing a certificate or 
separate certificates of an authorized officer stating that it has notified 
the Custodian, as custodian for the Current Fund, of the Current Fund's 
reorganization as the Successor Fund. 

   3.4 Pioneering Services Corporation, as shareholder services and transfer 
agent for the Current Fund, shall deliver at the Closing a certificate as to 
the conversion on its books and records of the Current Fund Shareholder 
account to an account as a holder of Successor Shares. The Successor Trust 
shall issue and deliver to the Current Fund a confirmation evidencing the 
Successor Shares to be credited on the Closing Date or provide evidence 
satisfactory to the Current Fund that such Successor Shares have been 
credited to the Current Fund's account on the books of the Successor Trust. 
At the Closing each party shall deliver to the other such bills of sale, 
checks, assignments, stock certificates, receipts or other documents as such 
other party or its counsel may reasonably request. 

   3.5 Portfolio securities that are not held in book-entry form in the name 
of the Custodian as record holder for the Current Fund shall be presented by 
the Current Fund to the Custodian for examination no later than five business 
days preceding the Closing Date. Portfolio securities which are not held in 
book-entry form shall be delivered by the Current Fund to the Custodian for 
the account of the Successor Fund on the Closing Date, duly endorsed in 
proper form for transfer, in such condition as to constitute good delivery 
thereof in accordance with the custom of brokers, and shall be accompanied by 
all 

                                       B-3

<PAGE>
 
necessary federal and state stock transfer stamps or a check for the 
appropriate purchase price thereof. Portfolio securities held of record by 
the Custodian in book-entry form on behalf of the Current Fund shall be 
delivered to the Successor Fund by the Custodian by recording the transfer of 
beneficial ownership thereof on its records. The cash delivered shall be in 
the form of currency or by the Custodian crediting the Successor Fund' 
account maintained with the Custodian with immediately available funds. 

4. REPRESENTATIONS AND WARRANTIES 

   4.1 The Current Fund represents and warrants as follows: 

     4.1.A. The Current Fund is a business trust duly organized, validly 
   existing and in good standing under the laws of The Commonwealth of 
   Massachusetts and has the power to own all of its properties and assets 
   and, subject to approval by the shareholders of the Current Fund, to 
   perform its obligations under this Agreement. The Current Fund is not 
   required to qualify to do business in any jurisdiction in which it is not 
   so qualified or where failure to qualify would not subject it to any 
   material liability or disability. The Current Fund has all necessary 
   federal, state and local authorizations to own all of its properties and 
   assets and to carry on its business as now being conducted; 

     4.1.B. The Current Fund is a registered investment company classified as 
   a management company of the open-end type and its registration with the 
   Securities and Exchange Commission (the "Commission") as an investment 
   company under the Investment Company Act of 1940, as amended (the "1940 
   Act"), is in full force and effect; 

     4.1.C. The Current Fund is not, and the execution, delivery and 
   performance of this Agreement will not result, in violation of any 
   provision of its Declaration of Trust or By-laws, or any agreement, 
   indenture, instrument, contract, lease or other undertaking to which the 
   Current Fund is a party or by which the Current Fund is bound; 

     4.1.D. The Current Fund has no material contracts or other commitments 
   (other than this Agreement or agreements on behalf of a Current Fund for 
   the purchase of securities entered into in the ordinary course of business 
   and consistent with its obligations under this Agreement) that will not be 
   terminated without liability to the Current Fund on or prior to the 
   Closing Date; 

     4.1.E. No material litigation or administrative proceeding or 
   investigation of or before any court or governmental body presently is 
   pending or threatened against the Current Fund or any of its properties or 
   assets. The Current Fund knows of no facts that might form the basis for 
   the institution of such proceedings and the Current Fund is not a party 
   to, or subject to, the provisions of any order, decree or judgment of any 
   court or governmental body that materially and adversely affects its 
   business or its ability to consummate the transactions herein 
   contemplated; 

                                       B-4

<PAGE>
 
4.1.F. At the date hereof and at the Closing Date, all federal, state 
   and other tax returns and reports, including information returns and payee 
   statements, of the Current Fund required by law to have been filed or 
   furnished by such dates shall have been filed or furnished and all 
   federal, state and other taxes, interest and penalties shall have been 
   paid so far as due or provision shall have been made for the payment 
   thereof and no such return is currently under audit and no assessment has 
   been asserted with respect to any of such returns or reports; 

     4.1.G. The Current Fund has elected to be treated as a regulated 
   investment company under Subchapter M of the Code, has qualified as such 
   for each taxable year since its inception, and will qualify as such as of 
   the Closing Date; 

     4.1.H. The authorized capital of the Current Fund consists of an 
   unlimited number of shares of beneficial interest. All issued and 
   outstanding shares of beneficial interest of the Current Fund are, and at 
   the Closing Date will be, duly and validly issued and outstanding, fully 
   paid and nonassessable. The Current Fund does not have outstanding any 
   options, warrants or other rights to subscribe for or purchase any of its 
   shares of beneficial interest, nor is there outstanding any security 
   convertible into any of its shares of beneficial interest; 

     4.1.I. The information to be furnished by the Current Fund for use in 
   applications for orders, registration statements, proxy materials and 
   other documents which may be necessary in connection with the transactions 
   contemplated hereby shall be accurate and complete and shall comply in all 
   material respects with federal securities and other laws and regulations 
   thereunder applicable thereto; 

     4.1.J. All of the issued and outstanding Current Fund Shares will at the 
   time of the Closing be held by the persons and in the amounts as certified 
   in accordance with the provisions of paragraph 3.4; 

     4.1.K. At the Closing Date, the Current Fund will have good and 
   marketable title to the assets to be transferred to the Successor Fund 
   pursuant to paragraph 1.1, and full right, power and authority to sell, 
   assign, transfer and deliver such assets hereunder, and upon delivery and 
   in payment for such assets, the Successor Fund will acquire good and 
   marketable title thereto subject to no restrictions on the full transfer 
   thereof, including such restrictions as might arise under the Securities 
   Act of 1933, as amended; 

     4.1.L. The execution, delivery and performance of this Agreement will 
   have been duly authorized prior to the Closing Date by all necessary 
   action on the part of the Current Fund and this Agreement constitutes a 
   valid and binding obligation of the Current Fund enforceable in accordance 
   with its terms, subject to the approval of the Current Fund's 
   Shareholders; and 

     4.1.M. No consent, approval, authorization or order of any court or 
   governmental authority is required for the consummation by the Current 
   Fund of the transactions contemplated herein, except such as shall have 
   been obtained prior to the Closing Date. 

                                       B-5

<PAGE>
 
4.2 The Successor Trust represents and warrants as follows: 

     4.2.A. The Successor Trust is a business trust duly organized, validly 
   existing and in good standing under the laws of the State of Delaware and 
   has the power to own all of its properties and assets and to perform its 
   obligations under this Agreement; the Successor Trust is not required to 
   qualify to do business in any jurisdiction in which it is not so qualified 
   or where failure to qualify would not subject it to any material liability 
   or disability; the Successor Trust has all necessary federal, state and 
   local authorizations to own all of its properties and assets and to carry 
   on its business as now being conducted; that as of the date hereof and as 
   of the Closing Date, the Successor Fund is the only series of the 
   Successor Trust; and the Successor Fund is a duly established and 
   designated series of the Successor Trust; 

     4.2.B. The Successor Trust is not, and the execution, delivery and 
   performance of this Agreement will not result, in violation of any 
   provision of the Declaration of Trust or By-laws of the Successor Trust or 
   any agreement, indenture, instrument, contract, lease or other undertaking 
   to which the Successor Trust is a party or by which the Successor Trust is 
   bound; 

     4.2.C. No material litigation or administrative proceeding or 
   investigation of or before any court or governmental body is presently 
   pending or threatened against the Successor Trust or any of its properties 
   or assets. The Successor Trust knows of no facts that might form the basis 
   for the institution of such proceedings, and the Successor Trust is not a 
   party to, or subject to, the provisions of any order, decree or judgment 
   of any court or governmental body that materially and adversely affects 
   its business or its ability to consummate the transactions herein 
   contemplated; 

     4.2.D. The Successor Trust will cause the Successor Fund to qualify as a 
   regulated investment company under subchapter M of the Code for the 
   taxable year in which the Closing occurs and to continue to qualify as 
   such for each taxable year; 

     4.2.E. Prior to the Closing Date, there shall be no issued and 
   outstanding Successor Shares or any other securities of the Successor 
   Trust; Successor Shares issued in connection with the transactions 
   contemplated herein will be duly and validly issued and outstanding and 
   fully paid and non-assessable; 

     4.2.F. The execution, delivery and performance of this Agreement has 
   been duly authorized by all necessary action on the part of the Successor 
   Trust, and this Agreement constitutes a valid and binding obligation of 
   the Successor Trust enforceable against the Successor Trust in accordance 
   with its terms; 

     4.2.G. The information to be furnished by the Successor Trust for use in 
   applications for orders, registration statements, proxy materials and 
   other documents which may be necessary in connection with the transactions 
   contemplated hereby shall be accurate and complete and shall comply in all 
   material respects with Federal securities and other laws and regulations 
   applicable thereto; and 

     4.2.H. No consent, approval, authorization or order of any court or 
   governmental authority is required for the consummation by the Successor 
   Trust of the 

                                       B-6

<PAGE>
 
transactions contemplated herein, except such as shall have been obtained 
   prior to the Closing Date. 

5. COVENANTS OF THE CURRENT FUND AND THE SUCCESSOR TRUST 

   5.1 The Current Fund covenants that the Successor Shares are not being 
acquired for the purpose of making any distribution thereof, other than in 
accordance with the terms of this Agreement. 

   5.2 The Current Fund covenants that it will assist the Successor Trust in 
obtaining such information as the Successor Trust reasonably requests 
concerning the beneficial ownership of Current Fund Shares. 

   5.3 The Current Fund will, from time to time, as and when requested by the 
Successor Trust execute and deliver, or cause to be executed and delivered, 
all such assignments and other instruments, and will take or cause to be 
taken such further action, as the Successor Trust may deem necessary or 
desirable in order to vest in, and confirm to, the Successor Fund, title to, 
and possession of, all the assets of the Current Fund to be sold, assigned, 
transferred and delivered hereunder and otherwise to carry out the intent and 
purpose of this Agreement. 

   5.4 The Successor Trust will, from time to time, as and when requested by 
the Current Fund, execute and deliver or cause to be executed and delivered 
all such assignments and other instruments, and will take or cause to be 
taken such further action, as the Current Fund may deem necessary or 
desirable in order to vest in, and confirm to, the Current Fund, on behalf of 
the Current Funds, title to, and possession of, the Successor Shares issued, 
sold, assigned, transferred and delivered hereunder and otherwise to carry 
out the intent and purpose of this Agreement. 

   5.5 The Successor Trust shall use all reasonable efforts to obtain the 
approvals and authorizations required by the 1933 Act, the 1940 Act and such 
state securities laws as it may deem appropriate in order to operate after 
the Closing Date. 

   5.6 Subject to the provisions of this Agreement, the Successor Trust and 
the Current Fund each will take, or cause to be taken, all action and will do 
or cause to be done all things reasonably necessary, proper or advisable to 
consummate and make effective the transactions contemplated by this 
Agreement. 

   5.7 As promptly as practicable, but in any event within 60 days after the 
Closing Date, the Current Fund shall furnish to the Successor Trust, in such 
form as is reasonably satisfactory to the Successor Trust, a statement of the 
earnings and profits of the Current Fund for federal income tax purposes, and 
of any capital loss carryovers and other items that will be carried over to 
the Successor Fund as a result of Section 381 of the Code, and which 
statement will be certified by the President or Treasurer of the Current 
Fund. 

6. CONDITIONS PRECEDENT TO OBLIGATIONS OF THE CURRENT FUND 

   The obligations of the Current Fund to consummate the transactions 
provided for herein shall be subject to the performance by the Successor 
Trust of all the obligations 

                                       B-7

<PAGE>
 
to be performed by the Successor Trust hereunder on or before the Closing 
Date and, in addition thereto, to the following further conditions: 

   6.1 All representations and warranties of the Successor Trust contained in 
this Agreement shall be true and correct in all material respects as of the 
date hereof except as they may be affected by the transactions contemplated 
by this Agreement, as of the Closing Date, with the same force and effect as 
if made on and as of the Closing Date; and 

   6.2 The Successor Trust shall have delivered on the Closing Date to the 
Current Fund a certificate executed in the Successor Trust's name by its 
President or Vice President, in form and substance satisfactory to the 
Current Fund, dated as of the Closing Date, to the effect that the 
representations and warranties of the Successor Trust made in this Agreement 
are true and correct at and as of the Closing Date, except as they may be 
affected by the transactions contemplated by this Agreement, and as to such 
other matters as the Current Fund shall reasonably request. 

   Each of the foregoing conditions precedent may be waived by the Current 
Fund. 

7. CONDITIONS PRECEDENT TO OBLIGATIONS OF THE SUCCESSOR TRUST 

   The obligations of the Successor Trust to consummate the transactions 
provided for herein shall be subject to the performance by the Current Fund 
of all the obligations to be performed by the Current Fund hereunder on or 
before the Closing Date and, in addition thereto, to the following further 
conditions: 

   7.1 All representations and warranties of the Current Fund contained in 
this Agreement shall be true and correct in all material respects as of the 
date hereof and, except as they may be affected by the transactions 
contemplated by this Agreement, as of the Closing Date, with the same force 
and effect as if made on and as of the Closing Date; 

   7.2 The Current Fund shall have delivered to the Successor Trust on the 
Closing Date a statement of the Current Fund's assets and liabilities, 
prepared in accordance with generally accepted accounting principles 
consistently applied, together with a certificate of the Treasurer or 
Assistant Treasurer of the Current Fund as to its portfolio securities and 
the Current Fund's federal income tax basis and holding period for each such 
portfolio security as of the Closing Date; and 

   7.3 The Current Fund shall have delivered to the Successor Trust on the 
Closing Date a certificate executed in the Current Fund's name by its 
President or Vice President, in form and substance satisfactory to the 
Successor Trust, dated as of the Closing Date, to the effect that the 
representations and warranties of the Current Fund made in this Agreement are 
true and correct at and as of the Closing Date, except as they may be 
affected by the transactions contemplated by this Agreement, and as to such 
other matters as the Successor Trust shall reasonably request. 

   Each of the foregoing conditions precedent may be waived by the Successor 
Trust. 

                                       B-8

<PAGE>
 
8. FURTHER CONDITIONS PRECEDENT TO OBLIGATIONS OF THE CURRENT FUND AND THE 
   SUCCESSOR TRUST 

   The obligations of the Current Fund and the Successor Trust are each 
subject to the further conditions that on or before the Closing Date: 

   8.1 This Agreement and the transactions contemplated herein shall have 
been approved by the requisite vote of the Current Fund's Shareholders in 
accordance with applicable law; 

   8.2 On the Closing Date, no action, suit or other proceeding shall be 
pending before any court or governmental agency in which it is sought to 
restrain or prohibit or to obtain damages or other relief in connection with, 
the transactions contemplated hereby; 

   8.3 All consents of other parties and all other consents, orders and 
permits of federal, state and local regulatory authorities (including those 
of the Commission and of state securities authorities) deemed necessary by 
the Successor Trust or the Current Fund to permit consummation, in all 
material respects, of the transactions contemplated hereby shall have been 
obtained, except where failure to obtain any such consent, order or permit 
would not involve a risk of a material adverse effect on the assets or 
properties of the Successor Trust or the Current Fund, provided that either 
party hereto may for itself waive any of such conditions; 

   8.4 The President of the Successor Trust shall have delivered a 
certificate to the Current Fund on the Closing Date certifying that the 
Successor Trust has taken all necessary action so that it shall be a 
registered open-end investment company under the 1940 Act; and 

   8.5 The Current Fund and the Successor Trust shall have received on or 
before the Closing Date an opinion of Hale and Dorr satisfactory to the 
Current Fund and the Successor Trust, substantially to the effect that, with 
respect to the Current Fund, for federal income tax purposes: 

     8.5.A. The acquisition of all of the assets of a Current Fund by the 
   Successor Fund solely in exchange for the issuance of Successor Shares to 
   the Current Fund and the assumption by the Successor Fund of all of the 
   liabilities of the Current Fund, followed by the distribution in 
   liquidation by the Current Fund of such Successor Shares to the Current 
   Fund Shareholders in exchange for their Current Fund Shares and the 
   termination of the Current Fund, will constitute a reorganization within 
   the meaning of Section 368(a)(1) of the Code, and the Current Fund and the 
   Successor Fund will each be "a party to a reorganization" within the 
   meaning of Section 368(b) of the Code; 

     8.5.B. No gain or loss will be recognized by the Current Fund upon (i) 
   the transfer of all of its assets to the Successor Fund solely in exchange 
   for the issuance of Successor Shares to the Current Fund and the 
   assumption by the Successor Fund of the Current Fund's liabilities and 
   (ii) the distribution by the Current Fund of the Successor Shares to the 
   Current Fund Shareholders; 

                                       B-9

<PAGE>
 
8.5.C. No gain or loss will be recognized by any Successor Fund upon its 
   receipt of all of the Current Fund's assets solely in exchange for the 
   issuance of the Successor Shares to the Current Fund and the assumption by 
   the Successor Fund of all of the liabilities of the Current Fund; 

     8.5.D. The tax basis of the assets acquired by a Successor Fund from the 
   Current Fund will be the same as the tax basis of those assets in the 
   Current Fund's hands immediately before the transfer; 

     8.5.E. The tax holding period of the assets of the Current Fund in the 
   hands of the Successor Fund will include the Current Fund's tax holding 
   period for those assets; 

     8.5.F. The Current Fund's Shareholders will not recognize gain or loss 
   upon the exchange of all of their Current Fund Shares solely for Successor 
   Shares as part of the transaction; 

     8.5.G. The tax basis of the Successor Shares received by Current Fund 
   Shareholders in the transaction will be, for each shareholder, the same as 
   the tax basis of the Current Fund Shares surrendered in exchange therefor; 
   and 

     8.5.H. The tax holding period of the Successor Shares received by 
   Current Fund Shareholders will include, for each such Shareholder, the tax 
   holding period for the Current Fund Shares surrendered in exchange 
   therefor, provided that the Current Fund Shares were held as capital 
   assets on the date of the exchange. 

   The Current Fund and Successor Trust each agree to make and provide 
representations with respect to the Current Fund and the Successor Fund which 
are reasonably necessary to enable Hale and Dorr to deliver an opinion 
substantially as set forth in this paragraph 8.5, which opinion may address 
such other federal income tax consequences, if any, as Hale and Dorr believes 
to be material to the transaction. 

   Each of the foregoing conditions precedent to the obligations of a party, 
except for the receipt of the opinion of Hale and Dorr set forth in paragraph 
8.5, may be waived by that party. 

9. BROKERAGE FEES AND EXPENSES 

   9.1 The Successor Trust and the Current Fund each represent and warrant to 
the other that there are no broker's or finder's fees payable in connection 
with the transactions contemplated hereby. 

   9.2 The Current Fund and the Successor Fund shall each be liable for its 
own expenses incurred in connection with entering into and carrying out the 
provisions of this Agreement whether or not the transactions contemplated 
hereby are consummated; if the transactions are consummated, such expenses of 
the Current Fund will be assumed by the Successor Fund as part of the 
transactions. 

                                       B-10

<PAGE>
 
10. ENTIRE AGREEMENT 

   The Successor Trust and the Current Fund agree that neither party has made 
any representation, warranty or covenant not set forth herein and that this 
Agreement constitutes the entire agreement between the parties. The 
representations, warranties and covenants contained herein or in any document 
delivered pursuant hereto or in connection herewith shall survive the 
consummation of the transactions contemplated hereunder. 

11. TERMINATION 

   11.1 This Agreement may be terminated by the mutual agreement of the 
Successor Trust and the Current Fund. In addition, either the Successor Trust 
or the Current Fund may at its option terminate this Agreement at or prior to 
the Closing Date because: 

     11.1.A. There exists a material breach by the other party of any 
   representations, warranties or agreements contained herein to be performed 
   at or prior to the Closing Date; or 

     11.1.B. A condition herein expressed to be precedent to the obligations 
   of the terminating party has not been met and it reasonably appears that 
   it will not or cannot be met. 

   11.2 In the event of any such termination, there shall be no liability for 
damages on the part of the Successor Trust or the Current Fund, or their 
respective trustees, directors or officers, to the other party or its 
trustees, directors or officers. 

12. AMENDMENT 

   This Agreement may be amended, modified or supplemented in such manner as 
may be mutually agreed upon in writing by the parties; provided, however, 
that following the approval of this Agreement by the Current Funds' 
Shareholders, no such amendment may have the effect of changing the 
provisions for determining the number of Successor Shares to be paid to the 
Current Fund Shareholders under this Agreement to the detriment of the 
Current Fund Shareholders without their further approval. 

13. HEADINGS; COUNTERPARTS; GOVERNING LAW; ASSIGNMENT 

   13.1 The article and paragraph headings contained in this Agreement are 
for reference purposes only and shall not affect in any way the meaning or 
interpretation of this Agreement. 

   13.2 This Agreement may be executed in any number of counterparts, each of 
which shall be deemed an original. 

   13.3 This Agreement shall be governed by and construed in accordance with 
the laws of The Commonwealth of Massachusetts. 

   13.4 This Agreement shall be binding upon and inure to the benefit of the 
parties hereto and their respective successors and assigns, but no assignment 
or transfer hereof or of any rights or obligations hereunder shall be made by 
any party without the written 

                                       B-11

<PAGE>
 
consent of the other party. Nothing herein expressed or implied is intended 
or shall be construed to confer upon or give any person, firm or corporation 
other than the parties hereto and their respective successors and assigns any 
rights or remedies under or by reason of this Agreement. 

   13.5 All persons dealing with the Successor Trust must look solely to the 
property of the Successor Trust for the enforcement of any claims against the 
Successor Trust as neither the Trustees, officers, agents nor shareholders of 
the Successor Trust assume any personal liability for obligations entered 
into on behalf of the Successor Trust. No other series of the Successor Trust 
hereafter established shall be responsible for any obligations assumed by the 
Successor Trust on behalf of the Successor Fund under this Agreement. 

   13.6 A copy of the Agreement and Declaration of Trust of the Current Fund 
is on file with the Secretary of State of The Commonwealth of Massachusetts, 
and notice is hereby given that this instrument is executed on behalf of the 
Trustees of the Current Fund as trustees and not individually and that the 
obligations of this instrument are not binding upon any of the trustees, 
officers, or shareholders of the Current Fund individually, but are binding 
only upon the assets and property of the Current Fund. 

14. NOTICES 

   Any notice, report, statement or demand required or permitted by any 
provisions of this Agreement shall be in writing and shall be given by 
prepaid telegraph, telecopy or certified mail addressed to the Current Fund 
or the Successor Trust, each at 60 State Street, Boston, Massachusetts 02109, 
Attention: Secretary. 

   IN WITNESS WHEREOF, each of the parties hereto has caused this Agreement 
to be executed by its duly authorized officer. 

                                            PIONEER FUND 

                                            By:--------------------------------

                                            Its:-------------------------------
                                                Title 

                                            PIONEER FUND 
                                            a Delaware business trust, 
                                            on behalf of Pioneer Fund 

                                            By:--------------------------------

                                            Its:-------------------------------
                                                Title 

                                       B-12

<PAGE> 
   
                                       [Recycle Logo] Printed on recycled paper
    
<PAGE>



PROXY                                                                      PROXY

                                  PIONEER FUND


                  PROXY FOR THE SPECIAL MEETING OF SHAREHOLDERS
                            To be held April 23, 1996


         The undersigned, having received notice of the meeting and management's
proxy statement therefor, and revoking all prior proxies, hereby appoint(s) John
F. Cogan,  Jr., David D. Tripple,  Robert P. Nault and Joseph P. Barri, and each
of  them,  attorneys  or  attorney  of  the  undersigned  (with  full  power  of
substitution in them and each of them) for and in the name(s) of the undersigned
to attend the Special Meeting of Shareholders of Pioneer Fund (the "Fund") to be
held on  Tuesday,  April 23, 1996 at 1:00 p.m.  (Boston  time) at the offices of
Hale and Dorr,  counsel  to the  Fund,  60 State  Street,  26th  Floor,  Boston,
Massachusetts  02109 (the  "Meeting"),  and any  adjourned  session or  sessions
thereof,  and there to vote and act upon the  following  matters  (as more fully
described in the  accompanying  Proxy Statement) in respect of all shares of the
Fund which the  undersigned  will be entitled to vote or act upon,  with all the
powers the undersigned would possess if personally present:

         (1)      To elect Trustees:

                  The nominees  for  Trustees  are:  J.F.  Cogan,  Jr., Dr. R.H.
                  Egdahl,  M.B.W.  Graham,  J.W.  Kendrick,   M.A.  Piret,  D.D.
                  Tripple, S.K. West and J. Winthrop.

                  / / FOR  electing  all the  nominees  (except as marked to the
                  contrary above)

                  To withhold  authority  to vote for one or more the  nominees,
                  circle those nominees names above.

                  / / WITHHOLD authority to vote for all nominees

         (2)      To  approve a new  Management  Contract  between  the Fund and
                  Pioneering  Management  Corporation,   the  Fund's  investment
                  adviser ("PMC"),  increasing the rate at which management fees
                  are payable to PMC: 
                            -                       -                         -
                       FOR |_|             AGAINST |_|               ABSTAIN |_|

<PAGE>

         (3)      To approve an Agreement and Plan of Reorganization pursuant to
                  which  the Fund will be  reorganized  as a  Delaware  business
                  trust:
                            -                       -                         -
                       FOR |_|             AGAINST |_|               ABSTAIN |_|

         (4)      To ratify the  selection of Arthur  Andersen LLP as the Fund's
                  independent  public  accountants  for the fiscal  year  ending
                  December 31, 1996:

                            -                       -                         -
                       FOR |_|             AGAINST |_|               ABSTAIN |_|

         (5)(a)   To  approve  the   elimination   of  the  Fund's   fundamental
                  investment restriction regarding repurchase agreements:
                            -                       -                         -
                       FOR |_|             AGAINST |_|               ABSTAIN |_|

         (5)(b)   To approve an amendment to the Fund's  fundamental  investment
                  restriction regarding underwriting:
                            -                       -                         -
                       FOR |_|             AGAINST |_|               ABSTAIN |_|

         (5)(c)   To approve an amendment to the Fund's  fundamental  investment
                  restriction regarding commodities:
                            -                       -                         -
                       FOR |_|             AGAINST |_|               ABSTAIN |_|

         (5)(d)   To  approve  the   elimination   of  the  Fund's   fundamental
                  investment restriction regarding restricted securities:
                            -                       -                         -
                       FOR |_|             AGAINST |_|               ABSTAIN |_|

         (5)(e)   To  approve  the   elimination   of  the  Fund's   fundamental
                  investment restriction regarding "unseasoned" issuers:
                            -                       -                         -
                       FOR |_|             AGAINST |_|               ABSTAIN |_|

         (5)(f)   To  approve  the   elimination   of  the  Fund's   fundamental
                  investment  restriction  regarding affiliates of affiliates of
                  the Fund:
                            -                       -                         -
                       FOR |_|             AGAINST |_|               ABSTAIN |_|

         (5)(g)   To approve an amendment to the Fund's  fundamental  investment
                  restriction regarding loans:
                            -                       -                         -
                       FOR |_|             AGAINST |_|               ABSTAIN |_|

                                      -2-
<PAGE>

         (5)(h)   To approve an amendment to the Fund's  fundamental  investment
                  restriction regarding borrowing:
                            -                       -                         -
                       FOR |_|             AGAINST |_|               ABSTAIN |_|

         (5)(i)   To  approve  the  addition  of a  new  fundamental  investment
                  restriction regarding "senior securities":
                            -                       -                         -
                       FOR |_|             AGAINST |_|               ABSTAIN |_|

IN THEIR DISCRETION, THE PROXIES ARE AUTHORIZED TO VOTE UPON SUCH OTHER BUSINESS
AS MAY PROPERLY COME BEFORE THE MEETING OR ANY ADJOURNMENT THEREOF.




                                      -3-
<PAGE>


         THE SHARES  REPRESENTED  BY THIS PROXY WILL BE VOTED AS DIRECTED BY THE
UNDERSIGNED.  IF NO  DIRECTION  IS  GIVEN,  THIS  PROXY  WILL BE  VOTED  FOR THE
PROPOSAL.

                                       DATED:  ......................, 1996

                                       ....................................

                                       ....................................
                                                    Signature(s)


                                       In signing,  please write name(s) exactly
                                       as  appearing  hereon.  When  signing  as
                                       attorney,   executor,   administrator  or
                                       other  fiduciary,  please  give your full
                                       title as such.  Joint owners  should each
                                       sign personally.

THIS  PROXY IS  SOLICITED  ON BEHALF OF THE  BOARD OF  TRUSTEES  OF THE FUND AND
SHOULD BE RETURNED AS SOON AS POSSIBLE IN THE ENVELOPE PROVIDED












                                      -4-
<PAGE>


   
             Pioneer Fund Proxy Solicitation: Questions and Answers

Q:       What do the proposals for Pioneer Fund mean?

A:       Pioneer Fund periodically holds a shareowner meeting to vote on certain
issues.  The  upcoming  meeting  is  scheduled  for April 23,  1996.  The Fund's
Trustees,  whose primary  function is to protect your interests as a shareowner,
recommend that you vote FOR each proposal.

Here is a what a FOR vote  means  for each of the  proposals  being  considered.
Proposal 1:
Elect eight Trustees to the Board. The Trustees  supervise the Fund's activities
and review contractual  arrangements with companies that provide services to the
Fund. All of the nominees currently serve as Trustees.

Proposal 2:
Approve a new management contract with Pioneering Management  Corporation (PMC),
including  a  performance-based   management  fee.  Depending  upon  the  Fund's
investment performance, relative to a selected securities index, the fee paid by
the Fund may be lower or higher  than the  proposed  basic fee of 0.60% of daily
net assets.

Proposal 3:
Allow the Fund to be reorganized as a Delaware  business trust.  Currently,  the
Fund is registered as a Massachusetts  business  trust.  As a Delaware  business
trust, the Fund would be able to offer multiple  classes of shares,  among other
benefits.

Proposal 4:
Ratify the  selection of Arthur  Andersen LLP as the Fund's  independent  public
accountants for the fiscal year ending December 31, 1996.

Proposals 5a - 5i:
Modernize the Fund's operating  structure and investment  policies to conform to
current  standards in the mutual fund industry.  The Fund's Trustees believe the
proposed changes are appropriate and necessary to update the Fund since its last
shareowner meeting.  For detail on each of these Proposals,  we encourage you to
read the Proxy Statement.
    



<PAGE>


   
PROPOSAL 1
Q:       Who is being nominated for Trustee?
A:       All of the nominees  currently serve as Trustees and their biographical
information is included in the Proxy Statement. The Trustees' primary role is to
protect your interests as a shareowner.

PROPOSAL 2
Q:       What effect will the proposed new management contract have?
A:       The fee ultimately paid by the Fund will be higher than that paid under
the existing contract, even though it may vary as a result of Fund performance.

Under the current management fee structure,  which has been in place since 1944,
the Fund pays the investment adviser,  Pioneering Management  Corporation (PMC),
the following fees, regardless of the Fund's performance:

o        0.50% of the Fund's  average daily net assets up to $250 million in net
         assets

o        0.48% of the next $50 million in net assets, and

o        0.45% of the amount over $300 million in net assets.

At current  asset  levels,  the Fund is paying an  effective  management  fee of
0.46%.  Proposal  2 calls for the basic fee to  increase  to 0.60% of the Fund's
average daily net assets,  regardless  of the level of the Fund's  average daily
net assets. However, the introduction of a performance-based fee structure would
link the  management  fee to the Fund's  performance,  relative to an  objective
index.  This  means the fee  ultimately  paid by the Fund may be higher or lower
than the basic fee of 0.60%.

Q:       Why is the basic fee being increased?
A:       The current fee paid by your Fund has not changed since 1944.  Over the
past 50-plus years, it has become  significantly  more complicated and expensive
to manage a mutual fund. The industry has changed dramatically,  particularly in
terms of research,  technology and salary requirements.  The increased fee would
be used primarily to enhance the Fund's human resources, accounting and computer
systems and research capabilities,  all of which we expect to help make the Fund
more competitive.
    



<PAGE>


   
Q:       How would the proposed performance-based fee be calculated?
A:       Simply,  the  performance-based  fee  would  combine a basic fee with a
performance  adjustment.  The Fund would add to or  subtract  from the basic fee
based on its  performance  relative to the Lipper  Growth & Income  Funds Index,
which the Fund's Trustees consider to be a fair benchmark for the performance of
funds with similar objectives.

The  performance  adjustment  would be based on the  Fund's  performance  over a
36-month period.  The comparison between the Index's and Fund's performance will
be made at the end of each month. Each percentage point of difference,  up to 10
percentage  points,  would be multiplied  by a performance  adjustment of 0.01%.
This  means  that the  maximum  adjustment  rate to the basic fee is 0.10% (10 x
0.01%), up or down. THEREFORE,  THE FUND'S MANAGEMENT FEE COULD RANGE FROM 0.50%
TO 0.70%.  THAT  TRANSLATES  INTO AN  INCREASE  OF  BETWEEN  $0.04 AND $0.24 PER
$1,000.00.

For example,  if the Fund's 36-month  average annual total return was 15.0%, and
the Lipper Growth & Income Funds Index's  36-month  average  annual total return
was   25.0%,   the   management   fee   would  be  the   basic   fee  minus  the
performance-adjustment figure:

                    0.60% + [0.01% x (15.0% - 25.0%)] = 0.50%

Conversely,  if the Fund's 36-month  average annual total return was 25.0%,  and
the Lipper Growth & Income Funds Index's  36-month  average  annual total return
was   15.0%,   the   management   fee   would   be  the   basic   fee  plus  the
performance-adjustment figure:

                    0.60% + [0.01% x (25.0% - 15.0%)] = 0.70%

Q:       The proposed new management fee seems high to me. Is it?
A:       Comparatively,  no. The Fund's  proposed  fee would still be lower than
most  management  fees  currently  being  charged  throughout  the  mutual  fund
industry.  Naturally,  before  proposing  a change in  management  fee,  Pioneer
undertook  extensive  research  into how and how much  other  mutual  funds were
paying in management fees. Here's what we found:

o        Your Fund's proposed basic  management fee would be in the bottom third
         (below 70%) of growth and income funds.*

o        The median  management  fee paid by these  growth  and income  funds is
         0.74%.  That means that not only is your Fund's basic fee of 0.60% well
         below the median, its maximum  performance-adjusted  fee of 0.70% would
         also be less than the median.

* The growth and income  universe  includes 256 funds with the growth and income
objective.  It excludes hybrid fee funds that pay: a single,  all-inclusive  fee
for management,  transfer agency, custody, accounting, etc.; or some combination
of these fees bundled with the management fee.
    
<PAGE>

   
Q:       When would the proposed performance-based fee take effect?
A:       The  effective  date of the proposed  contract is expected to be May 1,
1996, and the new fee structure  would take effect at that time.  Looking at the
Fund's  performance to date relative to the Index, from June 1993 (the 35 months
of the period  before May 1996),  we would  expect the Fund to pay less than the
basic fee when the new structure is introduced.

Q:       What would the Fund have paid in management fees over the past 10 years
under the proposed fee structure?

A:       The  following  table  details what the  effective  management  fee for
Pioneer  Fund  would  have  been  for  the  past 10  years  using  the  proposed
performance-based  fee structure.  Note that at no time would the management fee
have exceeded the basic 0.60% fee:

                              Year   Management Fee
                              1986      0.55%
                              1987      0.57%
                              1988      0.59%
                              1989      0.60%
                              1990      0.59%
                              1991      0.57%
                              1992      0.58%
                              1993      0.59%
                              1994      0.60%
                              1995      0.59%

PROPOSAL 3
Q:       Why reorganize the Fund as a Delaware business trust?
A:       This proposal would allow the Fund to operate within the better-defined
regulations provided in Delaware, and also would allow the Fund more flexibility
to adapt to changes in the investment industry.  The reorganization will have no
tax impact on  shareowners.  New  classes of shares,  if any are  offered in the
future,  also  would  have no effect on the value or  operation  of Fund  shares
already in existence.

Reorganizing  to a  Delaware  business  trust  will  help  save  the  Fund,  and
shareowners,  money  because it will allow the Fund to adapt to new laws without
going to the  expense  of a  special  shareowner  meeting.  And,  as a  Delaware
business   trust,  it  is  clear  that  Fund   shareowners   generally  have  no
responsibilities  for the Fund's liabilities,  a point that is less certain as a
Massachusetts business trust.

    


<PAGE>


   
PROPOSAL 4
Q:       Who is Arthur Andersen LLP?
A:       Arthur Andersen LLP is one of the six largest CPA firms in the U.S. and
the firm is the current  independent  public  accountant  for the Fund and other
funds in the Pioneer family of mutual funds.

PROPOSALS 5a - 5i
Q:       Why are  there  so  many  changes  proposed  to the  Fund's  operations
structure and investment policies?  A: Since the Fund's last shareowner meeting,
the mutual fund industry has evolved.  The Fund's Trustees  believe the proposed
changes are  appropriate  and  necessary to update the Fund and  modernize it to
conform with current  standards  in the mutual fund  industry,  along with other
Pioneer funds.

GENERAL QUESTIONS
Q:       Who makes the final decisions in regards to these proposals?
A:       You do.  The  Trustees  you have  elected  -- whose  primary  role,  as
mentioned,  is protecting  your  interests as a shareowner  -- have  unanimously
approved the proposals and  encourage  you to vote FOR each.  However,  you must
make the final decision,  either by attending the meeting in person or by giving
your proxy vote.

Q:       When and where will the meeting take place?
A:       The meeting is scheduled for April 23, 1996, in Boston.

Q:       What if I have questions about my investment?
A:       The investment  representative  through whom you purchased Pioneer Fund
can provide you with additional information as needed.
    

<PAGE>
                                                            

Important Advisory Concerning Pioneer Fund and Pioneer II

                                       For nearly 70 years, Pioneer has earned a
                                       distinguished   reputation   in  two  key
                                       areas:

Pioneer is committed to building       o  Providing independent, fundamental   
upon the high standards we have set       research as the investment foundation 
in professional money management and      for decisions   
dealer service                         o  Delivering first-class service to you
                                          and your clients.


                                       Pioneer is  committed  to  building  upon
                                       these  high  standards.  To  assist us in
                                       doing so, after a thorough  review of the
                                       fee   structure   of  the   mutual   fund
                                       industry,  Trustees  of Pioneer  Fund and
                                       Pioneer   II   have    decided   to   ask
                                       shareowners to approve a modest  increase
                                       in   the    management    fee.    Despite
                                       continually  rising costs for  technology
                                       and other enhancements,  Pioneer Fund has
                                       not had a fee increase since it was first
                                       registered with the SEC in 1944;  Pioneer
                                       II hasn't raised its fees since inception
                                       in 1969.

To assist us in maintaining our high   Special shareowner meetings to consider
standards, Fund Trustees have          the matter are being  scheduled for
recommended a modest management fee    April for Pioneer Fund and Pioneer II
increase                               and proxy solicitations will be mailed  
                                       shortly.


                                       Pioneer Fund  currently pays an effective
                                       fee of  0.46%,  based on assets of $2.466
                                       billion  under  management as of Dec. 31,
                                       1995.   Pioneer  II  currently   pays  an
                                       effective  fee of 0.45%,  based on assets
                                       of $5.214 billion under  management as of
                                       Dec. 31, 1995.

                                       For both  Funds,  fees are  significantly
                                       lower  than  most  of  the  funds  in the
                                       Lipper  Analytical  Services  growth  and
                                       income  category.  The  Trustees  of both
                                       Funds are recommending that the effective
                                       fee be  raised  to  0.60% of  assets.  As
                                       proposed,     this     fee     will    be
                                       performance-based:    For    every    one
                                       percentage point of total return above or
                                       below the Lipper  Growth and Income Funds
                                       Index,  the 0.60% fee would  increase  or
                                       decrease  by  one  basis  point,  up to a
                                       maximum of 10 basis points.

                                       Assuming shareowners approve, the new fee
                                       structure  would  still be lower than 70%
                                       of  the  256  Lipper  growth  and  income
                                       funds, and substantially  below the 0.74%
                                       median  management  fee in  the  category
                                       (excluding funds with hybrid fees).

                                       We are  grateful for the  confidence  you
                                       and your  clients  have  demonstrated  by
                                       investing with Pioneer.  We will continue
                                       to work to justify your  support,  and to
                                       ensure that our  standards of service and
                                       investment  management  remain  second to
                                       none.

<PAGE>

                                       For more  information,  call your Pioneer
                                       Sales Specialist at 1-800-622-9876.

Pioneer Funds Distributor, Inc.       For Broker/Dealer Use Only -- Not 
60 State Street                       Authorized for Use with the Public
Boston, MA  02109                     0296-3157




<PAGE>
   
Pioneer Fund
60 State Street
Boston, MA  02109

February 1996

Dear Fellow Shareowner,

I am writing to let you know that a special meeting will be held April 23, 1996,
for shareowners of Pioneer Fund to vote on a number of important proposals. As a
shareowner in the Fund, you have the  opportunity to voice your opinion on these
matters.

This package contains information about the proposals, along with the proxy card
for you to use when voting by mail.  Please  take a moment to read the  enclosed
materials and cast your vote on the yellow proxy card.

Your prompt vote will help save money.  If a majority of the Fund's  shareowners
have not voted  prior to the  meeting,  we must try to obtain  their  votes with
additional mailings or phone solicitation. That is a costly process.

(callout in margin) Voting your shares by mail is quick and easy. Everything you
need is enclosed.

Each of the proposals up for approval has been reviewed by Pioneer  Fund's Board
of Trustees, whose primary role is to protect your interests as a shareowner. In
the Trustees' opinion, the proposals are fair and reasonable.
The Trustees recommend that you vote FOR each proposal.

(callout in margin) The Fund's  Board of Trustees  recommends  that you vote FOR
each proposal.

Here is what a FOR vote means for each of the proposals being considered.

Proposal 1:
Approve a new management contract with Pioneering Management  Corporation (PMC),
including  a  performance-based   management  fee.  Depending  upon  the  Fund's
investment performance, relative to a selected securities index, the fee paid by
the Fund may be lower or higher  than the  proposed  basic fee of 0.60% of daily
net assets.

Proposal 2:
Allow the Fund to be reorganized as a Delaware  business trust.  Currently,  the
Fund is registered as a Massachusetts  business  trust.  As a Delaware  business
trust, the Fund would be able to offer multiple  classes of shares,  among other
benefits.

Proposal 3:
Elect eight Trustees to the Board. The Trustees  supervise the Fund's activities
and review contractual  arrangements with companies that provide services to the
Fund. All of the nominees currently serve as Trustees.

Proposals 4 through 12:
Modernize the Fund's operating  structure and investment  policies to conform to
current  standards in the mutual fund industry.  The Fund's Trustees believe the
proposed changes are appropriate and necessary to update the Fund since its last
shareowner meeting.  For detail on each of these Proposals,  we encourage you to
read the enclosed Proxy Statement.
    
<PAGE>

   
Proposal 13:
Ratify the  selection of Arthur  Andersen LLP as the Fund's  independent  public
accountants for the fiscal year ending December 31, 1996.

Cast your vote by completing  and signing the yellow proxy card enclosed in this
package.  Please mail your  completed  and signed  proxy as quickly as possible,
using the postage-paid envelope provided.

(callout in margin) Please vote! Your vote is extremely important, no matter how
many shares you own.

Please feel free to call  Pioneer at  1-800-225-6292  if you have any  questions
about the  proposals or the process for voting your  shares.  Thank you for your
prompt response.

Sincerely,

John F. Cogan, Jr.
Chairman and President


0296-3142
    

<PAGE>

   
Pioneer Fund
60 State Street
Boston, MA  02109

URGENT
PLEASE VOTE YOUR SHARES TODAY

Dear Fellow Shareowner,

Not too long ago we sent you a proxy card and materials explaining the proposals
up for a vote at Pioneer Fund's April 23, 1996,  shareowner meeting. WE NEED YOU
TO CAST YOUR VOTE!

If you have not already  completed  and returned the proxy card  included in our
earlier package,  PLEASE TAKE A MOMENT NOW TO COMPLETE THE ENCLOSED YELLOW PROXY
CARD AND MAIL IT TO US IN THE POSTAGE-PAID ENVELOPE PROVIDED.

The  proposals up for  approval  have been  reviewed by Pioneer  Fund's Board of
Trustees,  whose primary role is to protect your  interests as a shareowner.  In
the  Trustees'  opinion,  the proposals  are fair and  reasonable.  The Trustees
recommend that you vote FOR each proposal. For your easy reference,  on the back
of this page is a summary of what a FOR vote would mean for each proposal.

PLEASE  VOTE!  YOUR VOTE IS EXTREMELY  IMPORTANT,  NO MATTER HOW MANY SHARES YOU
OWN.

Please feel free to call us at  1-800-225-6292  if you have any questions  about
the  proposals or the process for voting your shares.  Thank you for your prompt
response.

Sincerely,

John F. Cogan, Jr.
Chairman and President

    


<PAGE>


   
back page

Here is what a FOR vote means for each of the proposals being considered.

Proposal 1:
Approve a new management contract with Pioneering Management  Corporation (PMC),
including  a  performance-based   management  fee.  Depending  upon  the  Fund's
investment performance, relative to a selected securities index, the fee paid by
the Fund may be lower or higher  than the  proposed  basic fee of 0.60% of daily
net assets.

Proposal 2:
Allow the Fund to be reorganized as a Delaware  business trust.  Currently,  the
Fund is registered as a Massachusetts  business  trust.  As a Delaware  business
trust, the Fund would be able to offer multiple  classes of shares,  among other
benefits.

Proposal 3:
Elect eight Trustees to the Board. The Trustees  supervise the Fund's activities
and review contractual  arrangements with companies that provide services to the
Fund. All of the nominees currently serve as Trustees.

Proposals 4 through 12:
Modernize the Fund's operating  structure and investment  policies to conform to
current  standards in the mutual fund industry.  The Fund's Trustees believe the
proposed changes are appropriate and necessary to update the Fund since its last
shareowner meeting.  For detail on each of these Proposals,  we encourage you to
read the enclosed Proxy Statement.

Proposal 13:
Ratify the  selection of Arthur  Andersen LLP as the Fund's  independent  public
accountants for the fiscal year ending December 31, 1996.


Please  vote!  Your vote is extremely  important,  no matter how many shares you
own.


0296-3143
    


<PAGE>
   
Pioneer Fund
60 State Street
Boston, MA  02109

URGENT
PLEASE VOTE YOUR SHARES TODAY

Dear Fellow Shareowner,

TIME IS RUNNING  OUT.  You have not yet returned the proxy cards we sent for you
to use in voting on the proposals up for  consideration  at Pioneer Fund's April
23, 1996, shareowner meeting. We need you to cast your vote today!

Voting now will help save money.  If a majority of the Fund's  shareowners  have
not voted  before April 23, we must delay the meeting and begin the proposal and
voting process all over again. This would be extremely costly.

If you have not already  completed and returned the proxy cards  included in our
earlier packages, PLEASE TAKE A MOMENT NOW TO COMPLETE THE ENCLOSED YELLOW PROXY
CARD AND MAIL IT TO US TODAY IN THE POSTAGE-PAID ENVELOPE PROVIDED.

The  proposals up for  approval  have been  reviewed by Pioneer  Fund's Board of
Trustees,  whose primary role is to protect your  interests as a shareowner.  In
the  Trustees'  opinion,  the proposals  are fair and  reasonable.  The Trustees
recommend that you vote FOR each proposal. For your easy reference,  on the back
of this page is a summary of what a FOR vote would mean for each proposal.

VOTE TODAY! YOUR VOTE IS EXTREMELY IMPORTANT, NO MATTER HOW MANY SHARES YOU OWN.

Please feel free to call us at  1-800-225-6292  if you have any questions  about
the  proposals  or the  process  for  voting  your  shares.  Thank  you for your
immediate response.

Sincerely,

John F. Cogan, Jr.
Chairman and President


    

<PAGE>


   
back page

Here is what a FOR vote means for each of the proposals being considered.

Proposal 1:
Approve a new management contract with Pioneering Management  Corporation (PMC),
including  a  performance-based   management  fee.  Depending  upon  the  Fund's
investment performance, relative to a selected securities index, the fee paid by
the Fund may be lower or higher  than the  proposed  basic fee of 0.60% of daily
net assets.

Proposal 2:
Allow the Fund to be reorganized as a Delaware  business trust.  Currently,  the
Fund is registered as a Massachusetts  business  trust.  As a Delaware  business
trust, the Fund would be able to offer multiple  classes of shares,  among other
benefits.

Proposal 3:
Elect eight Trustees to the Board. The Trustees  supervise the Fund's activities
and review contractual  arrangements with companies that provide services to the
Fund. All of the nominees currently serve as Trustees.

Proposals 4 through 12:
Modernize the Fund's operating  structure and investment  policies to conform to
current  standards in the mutual fund industry.  The Fund's Trustees believe the
proposed changes are appropriate and necessary to update the Fund since its last
shareowner meeting.  For detail on each of these Proposals,  we encourage you to
read the enclosed Proxy Statement.

Proposal 13:
Ratify the  selection of Arthur  Andersen LLP as the Fund's  independent  public
accountants for the fiscal year ending December 31, 1996.

Please vote today! Your vote is extremely  important,  no matter how many shares
you own.


0296-3144
    



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