PIONEER SHORT TERM INCOME TRUST
497, 1996-11-15
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                                                                (Pioneer logo) 

   
Pioneer 
Short-Term Income 
Trust 
Class A and Class B Shares 
Prospectus 
March 29, 1996 
(revised November 15, 1996) 
    

   
Pioneer Short-Term Income Trust (the "Trust") seeks a high level of current 
income consistent with a relatively high level of principal stability. The 
Trust is a diversified open-end investment company. 
    

The Trust invests primarily in high grade, short-term debt securities. Under 
normal circumstances, the Trust invests at least 85% of its total assets in 
securities issued or guaranteed by the United States ("U.S.") government or 
its agencies or instrumentalities and other debt securities of U.S. and 
foreign issuers rated within the three highest grades by the major recognized 
rating services or, if not rated, judged to be of comparable quality by the 
Trust's investment adviser. The Trust may invest the remainder of its 
portfolio in debt securities rated in the fourth highest grade by the major 
rating services or, if not rated, judged to be of comparable quality. The 
Trust invests only in securities with remaining maturities of five years or 
less. Under normal circumstances, the Trust will maintain a dollar weighted 
average maturity of not more than three years. 

The Trust is designed for investors seeking: 

(bullet) a higher level of current income than normally provided by money 
         market investments; and 

(bullet) less price volatility than investments in intermediate and long-term 
         fixed income securities. 

   Unlike certain money market instruments, an investment in the Trust is 
neither insured nor guaranteed and its net asset value will fluctuate. The 
Trust's yield will normally be more sensitive to interest rate fluctuations 
than that of a fund investing primarily in securities with intermediate or 
long-term remaining maturities. 

   The value of your account upon redemption may be more or less than your 
purchase price. Shares in the Trust are not deposits or obligations of, or 
guaranteed or endorsed by, any bank or other depository institution, and the 
shares are not federally insured by the Federal Deposit Insurance 
Corporation, the Federal Reserve Board or any other government agency. 

   
   This Prospectus provides the information about the Trust that you should 
know before investing. Please read and retain it for your future reference. 
More information about the Trust is included in the Statement of Additional 
Information also dated March 29, 1996 (revised November 15, 1996), which is 
incorporated into this Prospectus by reference. A copy of the Statement of 
Additional Information may be obtained free of charge by calling Shareholder 
Services at 1-800-225-6292 or by written request to the Trust at 60 State 
Street, Boston, Massachusetts 02109. Additional information about the Trust 
has also been filed with the Securities and Exchange Commission (the "SEC") 
and is available upon request and without charge. 
    

<TABLE>
<CAPTION>
                              TABLE OF CONTENTS                       PAGE 
 ---------  -----------------------------------------------------    -------- 
<S>         <C>                                                        <C>
I.          EXPENSE INFORMATION                                         2 
II.         FINANCIAL HIGHLIGHTS                                        3 
III.        INVESTMENT OBJECTIVE AND POLICIES                           5 
IV.         MANAGEMENT OF THE TRUST                                     7 
V.          TRUST SHARE ALTERNATIVES                                    8 
VI.         SHARE PRICE                                                 8 
VII.        HOW TO BUY TRUST SHARES                                     9 
VIII.       HOW TO SELL TRUST SHARES                                   12 
IX.         HOW TO EXCHANGE TRUST SHARES                               13 
X.          DISTRIBUTION PLANS                                         14 
XI.         DIVIDENDS, DISTRIBUTIONS AND TAXATION                      14 
XII.        SHAREHOLDER SERVICES                                       15 
             Account and Confirmation Statements                       15 
             Additional Investments                                    15 
             Automatic Investment Plans                                15 
             Financial Reports and Tax Information                     15 
             Distribution Options                                      15 
             Directed Dividends                                        16 
             Direct Deposit                                            16 
             Voluntary Tax Withholding                                 16 
             Telephone Transactions and Related Liabilities            16 
             FactFone(SM)                                              16 
             Retirement Plans                                          16 
             Telecommunications Device for the Deaf (TDD)              16 
             Systematic Withdrawal Plans                               16 
             Reinstatement Privilege (Class A Shares Only)             17 
XIII.       THE TRUST                                                  17 
XIV.        INVESTMENT RESULTS                                         17 
</TABLE>

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

<PAGE> 

I. EXPENSE INFORMATION 

   
   This table is designed to help you understand the charges and expenses 
that you, as a shareholder, will bear directly or indirectly when you invest 
in the Trust. The table reflects annual operating expenses based on actual 
expenses for the fiscal year ended November 30, 1995. 
    

                                        Class A       Class B 
                                       ----------   ----------- 
Shareholder Transaction Expenses: 
 Maximum Initial Sales Charge on 
  Purchases 
    (as a percentage of offering 
  price)                                  2.50%         none 
 Maximum Sales Charge on 
  Reinvestment 
    of Dividends                          none          none 
 Maximum Deferred Sales Charge 
    (as a percentage of original 
    purchase price or redemption 
    proceeds, as applicable)              none1         2.00% 
 Redemption fee2                          none          none 
 Exchange fee                             none          none 
Annual Operating Expenses 
   (as a percentage of average net 
   assets): 
 Management fee (after fee 
  reduction)3                             0.00%         0.00% 
 12b-1 fees                               0.25%         1.00% 
 Other Expenses (including transfer 
  agent fee, custodian fees and 
  accounting and printing 
  expenses) (after expense 
  reduction)3                             0.60%         0.60% 
                                       ----------   ----------- 
 Total Operating Expenses (after 
  fee and expense   reductions)3          0.85%         1.60% 
                                       ==========   =========== 

   
   1 Purchases of $1 million or more and purchases by participants in certain 
     group plans are not subject to an initial sales charge but may be 
     subject to a contingent deferred sales charge ("CDSC") as further 
     described under "How to Sell Trust Shares." 
    

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

   3  Pioneering Management Corporation ("PMC") has agreed not to impose a 
     portion of its management fee and to make other arrangements, if 
     necessary, to limit other operating expenses of the Fund to the extent 
     required to reduce Class A expenses to 0.85% of the average daily net 
     assets attributable to Class A shares; the portion of fund-wide expenses 
     attributable to Class B shares will be reduced only to the extent such 
     expenses are reduced for Class A shares. This agreement is voluntary and 
     temporary and may be revised or terminated at any time. 

<TABLE>
<CAPTION>
Expenses Absent Fee and Expense Reductions      Class A    Class B 
                                                --------   --------- 
<S>                                               <C>        <C>
Management Fee                                    0.50%      0.50% 
Other Expenses                                    0.63%      0.67% 
Total Operating Expenses                          1.38%      2.17% 
</TABLE>

 Example: 

   
   You would pay the following expenses on a $1,000 investment, assuming a 5% 
annual return 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>
Class A Shares                      $33       $51        $71       $127 
  Class B Shares 
  --Assuming complete 
     redemption  at end of 
     period                         $36       $60        $87       $190* 
  --Assuming no redemption          $16       $50        $87       $190* 
</TABLE>

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

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

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

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

                                      2 
<PAGE> 

II. FINANCIAL HIGHLIGHTS 

   
   The following information has been audited by Arthur Andersen LLP, 
independent public accountants. Arthur Andersen LLP's report on the Trust's 
financial statements for the fiscal year ending November 30, 1995 appears in 
the Trust's Annual Report, which is incorporated by reference in the 
Statement of Additional Information. The information listed below should be 
read in conjunction with those financial statements. The Annual Report 
includes more information about the Trust's performance and is available free 
of charge by calling Shareholder Services at 1-800-225-6292. 
    

   
PIONEER SHORT-TERM INCOME TRUST 
Selected Data for a Class A Share Outstanding Throughout Each Period: 
    

<TABLE>
<CAPTION>
                                                                                                    August 10 
                                                                                                        to 
                                                                                                   November 30, 
                                                               For the Year Ended November 30,          1992 
                                                             ----------------------------------    ------------- 
                                                               1995         1994+       1993            1992 
                                                             --------      --------    --------    ------------- 
<S>                                                          <C>           <C>         <C>           <C>     
Net asset value, beginning of period                         $  3.75       $  3.95     $  3.95       $  4.00 
                                                             --------      --------    --------    ------------- 
Increase (decrease) from investment operations:                                                  
 Net investment income                                       $  0.25       $  0.22     $  0.24       $  0.08 
 Net realized and unrealized gain (loss) on investments         0.10         (0.21)       0.00         (0.05) 
                                                             --------      --------    --------    ------------- 
  Total increase (decrease) from investment operations       $  0.35       $  0.01     $  0.24       $  0.03 
                                                             --------      --------    --------    ------------- 
Distributions to shareholders from:                                                              
 Net investment income                                       $ (0.26)      $ (0.21)    $ (0.24)      $ (0.08) 
                                                             --------      --------    --------    ------------- 
Net increase (decrease) in net asset value                   $  0.09       $ (0.20)    $  0.00       $ (0.05) 
                                                             --------      --------    --------    ------------- 
Net asset value, end of period                               $  3.84       $  3.75     $  3.95       $  3.95 
                                                             ========      ========    ========    ============= 
Total return*                                                   9.64%         0.32%       6.28%         0.79% 
Ratio of net operating expenses to average net assets           0.86%+++      0.85%      0.66%         0.50%** 
Ratio of net investment income to average net assets            6.43%+++      5.89%      5.80%         5.93%** 
Portfolio turnover rate                                       109.60%       144.17%      83.25%       146.45%** 
Net assets, end of period (in thousands)                     $53,860       $59,088     $57,482       $15,588 
Ratios assuming no reduction of fees or expenses by PMC:                                         
 Net operating expenses                                         1.38%         1.20%       1.33%         3.40%** 
 Net investment income                                          5.29%         5.54%       5.13%         3.03%** 
Ratios assuming a reduction of fees and expenses by PMC                                         
  and a reduction for fees paid indirectly: 
 Net operating expenses                                         0.85% 
 Net investment loss                                            6.44% 
</TABLE>

   
  +Based upon average shares outstanding and average net assets for the 
   period presented. 
+++Ratios include fees paid indirectly. 
  *Assumes initial investment at net asset value at the beginning of each 
   period, reinvestment of all distributions, the complete redemption of the 
   investment at net asset value at the end of each period, and no sales 
   charges. Total return would be reduced if sales charges were taken into 
   account. 
 **Annualized. 
    


                                      3 
<PAGE> 

II. FINANCIAL HIGHLIGHTS (Continued) 

   
PIONEER SHORT-TERM INCOME TRUST 
Selected Data for a Class B Share Outstanding Throughout Each Period: 
    

<TABLE>
<CAPTION>
                                                                                  April 4 
                                                            Year ended               to 
                                                         November 30, 1995   November 30, 1994+ 
                                                         -----------------  ------------------- 
<S>                                                           <C>                 <C>     
Net asset value, beginning of period                          $  3.75             $  3.89 
                                                         -----------------  ------------------- 
Increase (decrease) from investment operations: 
 Net investment income                                        $  0.22             $  0.15 
 Net realized and unrealized gain (loss) on 
  investments                                                    0.11               (0.16) 
                                                         -----------------  ------------------- 
  Total increase (decrease) from investment operations        $  0.33             $ (0.01) 
                                                         -----------------  ------------------- 
Distributions to shareholders from: 
 Net investment income                                        $ (0.23)            $ (0.13) 
                                                         -----------------  ------------------- 
Net increase (decrease) in net asset value                    $ (0.10)            $ (0.14) 
                                                         -----------------  ------------------- 
Net asset value, end of period                                $  3.85             $  3.75 
                                                         =================  =================== 
Total return*                                                    8.96%              (0.24%) 
Ratio of net operating expenses to average net assets            1.63%+++            1.41%** 
Ratio of net investment income to average net assets             5.61%+++            6.05%** 
Portfolio turnover rate                                        109.60%             144.17% 
Net assets, end of period (in thousands)                      $ 2,924             $ 3,182 
Ratios assuming no reduction of fees or expenses by 
  PMC: 
 Net operating expenses                                          2.17%               1.82%** 
 Net investment income                                           5.08%               5.64%** 
Ratios assuming a reduction of fees and expenses by 
  PMC and a reduction for fees paid indirectly: 
 Net operating expenses                                          1.60% 
 Net investment loss                                             5.64% 
</TABLE>

   
  +Based upon average shares outstanding and average net assets for the 
   period presented. 
+++Ratios include fees paid indirectly. 
  *Assumes initial investment at net asset value at the beginning of each 
   period, reinvestment of all distributions, the complete redemption of the 
   investment at net asset value at the end of each period, and no sales 
   charges. Total return would be reduced if sales charges were taken into 
   account. 
 **Annualized. 
    


                                      4 
<PAGE> 

III. INVESTMENT OBJECTIVE AND POLICIES 

   The Trust's investment objective is a high level of current income 
consistent with a relatively high level of principal stability. The Trust 
invests in: 

   (bullet) Debt securities issued or guaranteed by the U.S. government or 
            its agencies or instrumentalities; 

   (bullet) Other debt securities including corporate debt securities such as 
            bonds, notes and debentures; mortgage-backed securities including 
            collateralized mortgage obligations; other asset-backed 
            securities; debt securities of foreign issuers including foreign 
            corporations, banks, governments and supranational organizations; 
            and commercial paper, including variable and floating rate paper; 
            and 

   (bullet) Short-term money market instruments including time deposits and 
            certificates of deposit maturing in one year or less, repurchase 
            agreements maturing in one week or less, and banker's 
            acceptances. 

Although the Trust may invest without limit in short-term obligations of 
foreign issuers when PMC as the Trust's investment adviser deems it 
advantageous to do so, under normal circumstances not more than 25% of the 
Trust's total assets will be invested in securities of foreign issuers (see 
"Foreign Investments" below). The Fund may also purchase securities on a 
"when-issued" or forward commitment basis and may lend portfolio securities 
having a value up to 5% of its total assets. 

Quality 

   Under normal circumstances, the Trust invests at least 85% of its total 
assets in securities that are issued or guaranteed by the U.S. government or 
its agencies or instrumentalities or that are rated in the highest three 
grades by the major recognized rating services or, if unrated, are judged to 
be of comparable quality by PMC. The remainder of the Trust's investments 
must be rated within the four highest grades of the major rating services 
(i.e., at least "Baa" by Moody's Investors Service or "BBB" by Standard & 
Poor's Ratings Group, or their equivalents) or, if not rated, judged to be of 
comparable quality. Securities rated BBB or Baa are considered investment 
grade securities having adequate capacity to pay interest and repay 
principal. Such securities may have speculative characteristics, however, and 
changes in economic and other conditions are more likely to lead to a 
weakened capacity of the issuer of such securities to make principal and 
interest payments than is the case with higher rated securities. In the event 
that the credit quality of a security falls below investment grade subsequent 
to purchase, the Trust will sell such security as soon as PMC determines it 
is prudent to do so. No more than 5% of the Trust's assets may be invested in 
securities that are rated below investment grade. For a description of 
ratings, see the Statement of Additional Information. 

Maturity 

   The dollar-weighted average maturity of the Trust's portfolio will not 
exceed three years. Generally, the Trust invests only in securities with 
remaining maturities of five years or less. For purposes of these policies, 
an instrument will be treated as having a maturity earlier than its stated 
maturity date if the instrument has technical features (such as puts, demand, 
prepayment or redemption features) or a variable rate of interest which, 
based on projected cash flows from the instrument, will in the judgment of 
PMC result in the instrument being valued in the market as though it has the 
earlier maturity. If a security's estimated remaining maturity changes from 
under five years to over five years, PMC will decide either to sell or retain 
the security based on its determination of the best interests of the Trust. 

U.S. Government Securities and Mortgage and Other Asset Backed Securities 

   Subject to its policies concerning remaining maturities and average 
portfolio maturity, the Trust may invest in a variety of U.S. government 
securities, including (1) U.S. Treasury obligations, which differ only in 
their interest rates, stated maturities and times of issuance: U.S. Treasury 
bills (stated maturities of one year or less), U.S. Treasury notes (stated 
maturities of one to ten years) and U.S. Treasury bonds (generally stated 
maturities of greater than ten years) and (2) obligations of varying stated 
maturities issued or guaranteed by certain agencies and instrumentalities of 
the U.S. government, such as mortgage participation certificates guaranteed 
by the Government National Mortgage Association ("GNMA"), the Federal 
National Mortgage Association ("FNMA") and the Federal Home Loan Mortgage 
Corporation ("FHLMC") and Federal Housing Administration debentures. 

   Certain U.S. government securities, including U.S. Treasury bills, notes 
and bonds, and GNMA certificates, are supported by the full faith and credit 
of the United States. Certain other U.S. government securities issued or 
guaranteed by Federal agencies or government sponsored enterprises, such as 
securities of the Federal Home Loan Banks, are not supported by the full 
faith and credit of the U.S., but may be supported by the right of the issuer 
to borrow from the U.S. Treasury. Other obligations, such as those of FHLMC 
and FNMA, are supported by the discretionary authority of the U.S. government 
to purchase the agency's securities although it has no legal obligation to do 
so. Still other obligations are supported only by the credit of the 
instrumentality itself. 

   GNMA, FHLMC and FNMA, as well as private entities, issue mortgage-backed 
securities which provide monthly payments which are, in effect, a 
"pass-through" of the monthly interest and principal payments (including any 
prepayments) made by the individual borrowers on the pooled mortgage loans. 
Private issuers of such securities include banks, broker-dealers, mortgage 
corporations and other financial institutions. 

   
   The Trust may invest in collateralized mortgage obligations ("CMOs"), 
which are obligations fully collateralized by a portfolio of mortgages or 
mortgage-related securities. Payments of principal and interest on the 
mortgages are passed through to the holders of the CMOs on the same schedule 
as they are received, although certain classes of CMOs have priority over 
others with respect to the receipt of prepayments on the mortgages. 
Therefore, depending on the type of CMOs in which the Trust invests, the 
investment may be subject to a greater or lesser risk of prepayment than 
other types of mortgage-related securities. A real estate mortgage investment 
conduit ("REMIC") is a form of CMO that qualifies for special tax treat- 
    


                                      5 
<PAGE> 

ment under the Internal Revenue Code of 1986, as amended (the "Code"). The 
Trust may acquire "regular" interests in REMICs but does not intend, under 
current tax law, to acquire residual interests in REMICs. Mortgage-backed 
securities may be less effective than traditional debt obligations of similar 
maturity at maintaining yields during periods of declining interest rates. 

   Other asset-backed securities in which the Trust may invest represent 
interests in pools of consumer loans unrelated to mortgage loans and most 
often are structured as pass-through securities. Interest and principal 
payments ultimately depend on payment of the underlying loans by individuals, 
although the securities may be supported by letters of credit or other credit 
enhancements. The value of such asset-backed securities may also depend on 
the creditworthiness of the servicing agent for the loan pool, the originator 
of the loans or the financial institution providing the credit enhancement. 

Foreign Investments 

   Under normal circumstances the Trust does not invest more than 25% of its 
total assets in the securities of foreign issuers (which term excludes for 
these purposes Canadian issuers). When PMC believes, however, that it is in 
the best interest of the Trust, the Trust may invest without any limitation 
in short-term foreign debt securities. These foreign investments may be 
issued by foreign governments, banks or corporations, as well as foreign 
branches of U.S. banks and certain supranational organizations such as the 
World Bank and the European Union. The Trust's foreign investments may be 
denominated in U.S. dollars or selected foreign currencies. The Trust does 
not currently hold any non-U.S. dollar denominated security and does not 
intend to purchase such securities in the coming year. Foreign investments 
are subject to the Trust's quality and maturity policies described above. 

   Investing in securities of foreign companies and countries involves 
certain considerations and risks which are not typically associated with 
investing in U.S. government securities and securities of domestic companies. 
Foreign companies are not subject to uniform accounting, auditing and 
financial standards and requirements comparable to those applicable to U.S. 
companies. There may also be less government supervision and regulation of 
foreign securities exchanges, brokers and listed companies than exists in the 
United States. Interest paid by foreign issuers may be subject to withholding 
and other foreign taxes which will decrease the net return on such 
investments as compared to interest paid to the Trust by the U.S. government 
or by domestic companies. In addition, there may be the possibility of 
expropriation, confiscatory taxation, political, economic or social 
instability, or diplomatic developments which could affect assets of the 
Trust held in foreign countries. 

   In addition, the value of foreign securities may also be adversely 
affected by fluctuations in the relative rates of exchange between the 
currencies of different nations and by exchange control regulations. There 
may be less publicly available information about foreign companies compared 
to reports and ratings published about U.S. companies. Foreign securities 
markets have substantially less trading volume than domestic markets and 
securities of some foreign companies are less liquid and more volatile than 
securities of comparable U.S. companies. Transaction costs on foreign 
securities exchanges are generally higher than in the U.S. 

   The Trust's investments in securities denominated in foreign currencies 
are also subject to currency risk, as the U.S. dollar value of these 
securities may be favorably or unfavorably affected by changes in foreign 
currency exchange rates and exchange control regulations. Currency exchange 
rates may fluctuate significantly over short periods of time causing, among 
other factors, the Trust's net asset value to fluctuate as well. Currency 
exchange rates are generally determined by forces of supply and demand and 
the perceived relative merits of investments in various countries, but can be 
affected unpredictably by intervention from U.S. and foreign governments or 
central banks, political events and currency control measures. 

   The Trust has the ability to hold a portion of its assets in foreign 
currencies and to enter into forward foreign currency contracts to facilitate 
settlement of foreign securities transactions or to protect against changes 
in foreign currency exchange rates. A forward foreign currency contract 
involves an obligation to purchase or sell a specific currency on a future 
date, at a price set at the time of the contract. The Trust might sell a 
foreign currency on either a spot or forward basis to hedge against an 
anticipated decline in the dollar value of securities in its portfolio or 
securities it intends or has contracted to sell or to preserve the U.S. 
dollar value of dividends, interest or other amounts it expects to receive. 
Although this strategy could minimize the risk of loss due to a decline in 
the value of the hedged foreign currency, it could also limit any potential 
gain which might result from an increase in the value of the currency. 
Alternatively, the Trust might purchase a foreign currency or enter into a 
forward purchase contract for the currency to preserve the U.S. dollar price 
of securities it is authorized to purchase or has contracted to purchase. 

   The Trust may also engage in cross-hedging by using forward contracts in 
one currency to hedge against fluctuations in the value of securities 
denominated in a different currency, if PMC determines that there is a 
pattern of correlation between the two currencies. Cross-hedging may also 
include entering into a forward transaction involving two foreign currencies, 
using one foreign currency as a proxy for the U.S. dollar to hedge against 
variations in the other foreign currency if PMC determines that there is a 
pattern of correlation between the proxy currency and the U.S. dollar. To the 
extent that the expected correlation between two particular currencies is 
imperfect, a forward transaction will not be an effective hedge and the Trust 
may be exposed to a loss, which loss may exceed the loss that would have 
occurred if a cross-hedge were not attempted. 

   If the Trust enters into a forward contract to buy foreign currency for 
any purpose, the Trust will be required to place cash or high grade liquid 
debt securities in a segregated account of the Trust in an amount equal to 
the value of the Trust's total assets committed to the consummation of the 
forward contract. The Trust may enter into forward currency 

                                      6 
<PAGE> 

contracts having an intrinsic value of up to 25% of its net assets. Forward 
contracts are subject to the risk that the counterparty to such contract will 
default on its obligations. Since a forward contract is not guaranteed by an 
exchange or clearinghouse, a default would deprive the Trust of unrealized 
profits or the benefits of a currency hedge and may force the Trust to cover 
its purchase or sale commitments, if any, at the current market price. 

Portfolio Trading 

   The Trust's portfolio is fully managed by purchasing and selling 
securities, as well as holding selected securities to maturity. While the 
Trust does not normally engage in trading for short-term profits, the Trust 
engages in portfolio trading of securities regardless of the length of time 
the Trust has held the securities if it believes a transaction net of costs 
(including custodian's fees) will contribute to the achievement of its 
investment objective. 

   Any such changes in the portfolio may result in increases or decreases in 
the Trust's current income available for distribution to shareholders and in 
its holding of debt securities which sell at moderate to substantial premiums 
or discounts from face value. If the Trust's expectations of changes in 
interest rates or its evaluation of the normal yield relationships between 
two securities prove to be incorrect, the Trust's income, net asset value and 
potential gain may be reduced or its potential loss may be increased. An 
increase in interest rates will generally reduce the value of portfolio 
investments (and, therefore, the net asset value of the shares of the Trust), 
and a decline in interest rates will generally increase their value. 

   A high portfolio turnover rate (i.e., 100% or higher) will result in 
correspondingly higher transaction costs to the Trust and may, under some 
circumstances, make it more difficult for the Trust to qualify as a regulated 
investment company under the Code. See "Financial Highlights" for actual 
turnover rates. 

Repurchase Agreements 

   The Trust may enter into repurchase agreements, generally not exceeding 
seven days. Such repurchase agreements will be fully collateralized with U.S. 
Treasury and/or U.S. government agency obligations with a market value of not 
less than 100% of the obligation, valued daily. Collateral will be held by 
the Trust's custodian in a segregated, safekeeping account for the benefit of 
the Trust. In the event that a repurchase agreement is not fulfilled, the 
Trust could suffer a loss to the extent that the value of the collateral 
falls below the repurchase price or if the Trust is prevented from realizing 
the value of the collateral by reason of an order of a court with 
jurisdiction over an insolvency proceeding with respect to the other party to 
the repurchase agreement. 

   The Trust's investment objective is fundamental and cannot be changed 
without shareholder approval. Other investment policies and restrictions are 
described in the Statement of Additional Information. Since all investments 
are subject to risks and fluctuations in value due to economic conditions and 
other factors, there can be no assurance that the Trust will achieve its 
investment objective. 

IV. MANAGEMENT OF THE TRUST 

   The Trust's Board of Trustees has overall responsibility for management 
and supervision of the Trust. There are currently eight Trustees, six of whom 
are not "interested persons" of the Trust as defined in the Investment 
Company Act of 1940, as amended (the "1940 Act"). The Board meets at least 
quarterly. By virtue of the functions performed by PMC as investment adviser, 
the Trust requires no employees other than its executive officers, all of 
whom receive their compensation from PMC or other sources. The Statement of 
Additional Information contains the names and general business and 
professional background of each Trustee and executive officer of the Trust. 

   Each fixed income portfolio managed by PMC, including the Trust, is 
overseen by a Fixed Income Committee, which consists of PMC's most senior 
fixed income professionals, and a Portfolio Management Committee, which 
consists of PMC's fixed income portfolio managers. Both committees are 
chaired by Mr. David Tripple, PMC's President and Chief Investment Officer 
and Executive Vice President of each of the Pioneer mutual funds. Mr. Tripple 
joined PMC in 1974 and has had general responsibility for PMC's investment 
operations and specific portfolio assignments for over five years. Fixed 
income investments at PMC, including those made on behalf of the Trust, are 
under the general supervision of Mr. Sherman Russ, a Senior Vice President of 
PMC. Mr. Russ joined PMC in 1983. Since August 1992, day-to-day management of 
the Trust has been the responsibility of Richard A. Schlanger who joined PMC 
in 1988 and is Vice President of PMC and the Trust. In certain instances 
where Mr. Schlanger is unavailable, primary responsibility for the day-to- 
day management of the Trust may be assumed temporarily by Mr. Russ. 

   The Trust is managed under a contract with PMC. PMC serves as investment 
adviser to the Trust and is responsible for the overall management of the 
Trust's business affairs, subject only to the authority of the Board of 
Trustees. PMC is a wholly-owned subsidiary of The Pioneer Group, Inc. 
("PGI"), a publicly-traded Delaware corporation. Pioneer Funds Distributor, 
Inc. ("PFD"), an indirect wholly-owned subsidiary of PGI, is the principal 
underwriter of shares of the Trust. 

   
   In addition to the Trust, PMC also manages and serves as the investment 
adviser for other mutual funds and is an investment adviser to certain other 
institutional accounts. PMC's and PFD's executive offices are located at 60 
State Street, Boston, Massachusetts 02109. In an effort to avoid conflicts of 
interest with the Trust, the Trust and PMC have adopted a Code of Ethics that 
is designed to maintain a high standard of personal conduct by directing that 
all personnel defer to the interests of the Trust and its shareholders in 
making personal securities transactions. 
    

   
   Investment advisory services are provided to the Trust by PMC pursuant to 
a management contract between PMC and the Trust. PMC assists in the 
management of the Trust and is authorized in its discretion to buy and sell 
securities for the account of the Trust. PMC pays all the expenses, including 
executive salaries and the rental of office space, relating to 
    


                                      7 
<PAGE> 

   
its services for the Trust, with the exception of the following which are to 
be paid by the Trust: (a) taxes and other governmental charges, if any; (b) 
interest on borrowed money, if any; (c) legal fees and expenses; (d) auditing 
fees; (e) insurance premiums; (f) dues and fees for membership in trade 
associations; (g) fees and expenses of registering and maintaining 
registrations by the Trust of its shares with regulatory agencies, individual 
states, territories and foreign jurisdictions and of preparing reports to 
regulatory agencies; (h) fees and expenses of Trustees not affiliated with or 
interested persons of PMC; (i) fees and expenses of the custodian, dividend 
disbursing agent, transfer agent and registrar; (j) issue and transfer taxes 
chargeable to the Trust in connection with securities transactions to which 
the Trust is a party; (k) costs of reports to shareholders, shareholders' 
meetings and Trustees' meetings; (l) the cost of certificates representing 
shares of the Trust; (m) bookkeeping and appraisal charges; and (n) certain 
distribution fees pursuant to its plan of distribution. The Trust also pays 
all brokerage commissions in connection with its portfolio transactions. 
    

   Orders for the Trust's portfolio securities transactions are placed by 
PMC, which strives to obtain the best price and execution for each 
transaction. In circumstances in which two or more broker-dealers are in a 
position to offer comparable prices and execution, consideration may be given 
to whether the broker-dealer provides investment research or brokerage 
services or sells shares of any Pioneer mutual fund. See the Statement of 
Additional Information for a further description of PMC's brokerage 
allocation practices. 

   As compensation for its management services and certain expenses which PMC 
incurs, PMC is entitled to a management fee equal to 0.50% per annum of the 
Trust's average daily net assets up to $100 million, 0.45% of the next $200 
million, and 0.40% on assets over $300 million. The fee is normally computed 
daily and paid monthly. 

   During the fiscal year ended November 30, 1995, the Trust incurred 
expenses of $825,975, including management fees paid or payable to PMC of 
$291,294. PMC has agreed not to impose a portion of its management fee and to 
make other arrangements, if necessary, to limit other operating expenses of 
the Fund to the extent required to reduce Class A expenses to 0.85% of the 
average daily net assets attributable to Class A shares; the portion of 
fund-wide expenses attributable to Class B shares will be reduced only to the 
extent such expenses are reduced for Class A shares. This agreement is 
voluntary and temporary and may be revised or terminated at any time. During 
the fiscal year ended November 30, 1995, as a result of this agreement, PMC 
did not impose its management fee. 

   John F. Cogan, Jr., Chairman and President of the Trust, Chairman of PFD, 
President and a Director of PGI and Chairman and a Director of PMC, owned 
approximately 15% of the outstanding capital stock of PGI as of the date of 
this Prospectus. 

V. TRUST SHARE ALTERNATIVES 

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

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

   
   Class B Shares. If you plan to invest up to $250,000, Class B shares are 
available to you. Class B shares are sold without an initial sales charge, 
but are subject to a CDSC of up to 2% if redeemed within three years. Class B 
shares are subject to distribution and service fees at a combined annual rate 
of 1% of the Trust's average daily net assets attributable to Class B shares. 
Your entire investment in Class B shares is available to work for you from 
the time you make your investment, but the higher distribution fee paid by 
Class B shares will cause your Class B shares (until conversion) to have a 
higher expense ratio and to pay lower dividends, to the extent dividends are 
paid, than Class A shares. Class B shares will automatically convert to Class 
A shares, based on relative net asset value, approximately five years after 
the initial purchase. 
    

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

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

VI. SHARE PRICE 

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


                                      8 
<PAGE> 

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

VII. HOW TO BUY TRUST SHARES 

   You may buy Trust shares from any securities broker-dealer which has a 
sales agreement with PFD. If you do not have a securities broker-dealer, 
please call 1-800-225-6292. Shares will be purchased at the public offering 
price, that is, the net asset value per share plus any applicable sales 
charge, next computed after receipt of a purchase order, except as set forth 
below. 

   The minimum initial investment is $5,000 for Class A and Class B shares 
except as specified below. The minimum initial investment is $100 for Class A 
accounts being established to utilize monthly bank drafts, government 
allotments, payroll deduction and other similar automatic investment plans. 
Separate minimum investment requirements apply to retirement plans and to 
telephone and wire orders placed by broker-dealers; no sales charges or 
minimum requirements apply to the reinvestment of dividends or capital gains 
distributions. The minimum subsequent investment is $100 for Class A shares 
and $500 for Class B shares except that the subsequent minimum investment 
amount for Class B share accounts may be as little as $50 if an automatic 
investment plan is established (see "Automatic Investment Plans"). 

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

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

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

Class A Shares 

   
You may buy Class A shares at the public offering price as follows: 
    

                             Sales Charge as a % of 
                           --------------------------- 
                                                           Dealer 
                                                         Allowance 
                                             Net         as a % of 
                            Offering        Amount        Offering 
   Amount of Purchase        Price         Invested        Price 
 ------------------------------------------------------------------- 
Less than $50,000             2.50%          2.56%          2.00% 
$50,000 but less than 
  $100,000                    2.00           2.06           1.75 
$100,000 but less than 
  $250,000                    1.50           1.52           1.25 
$250,000 but less than 
  $1,000,000                  1.00           1.01           1.00 
$1,000,000 or more             -0-            -0-        see below 

   
The schedule of sales charges above is applicable to purchases of Class A 
shares of the Trust by (i) an individual, (ii) an individual and his or her 
spouse and children under the age of 21 and (iii) a trustee or other 
fiduciary of a trust estate or fiduciary account or related trusts or 
accounts including pension, profit-sharing and other employee benefit trusts 
qualified under Section 401 or 408 of the Code, although more than one 
beneficiary is involved. The sales charges applicable to a current purchase 
of Class A shares of the Trust by a person listed above is determined by 
adding the value of shares to be purchased to the aggregate value (at the 
then current offering price) of shares of any of the other Pioneer mutual 
funds previously purchased and then owned provided PFD is notified by such 
person or his or her broker-dealer each time a purchase is made which would 
qualify. Pioneer mutual funds include all mutual funds for which PFD serves 
as principal underwriter. See the "Letter of Intention" section of the 
Account Application. 
    

   
No sales charge is payable at the time of purchase on investments of $1 
million or more or for purchases by participants in certain group plans 
(described below) subject to a CDSC of 0.50% which may be imposed in the 
event of a redemption of Class A shares within 12 months of purchase. See 
"How to Sell Trust Shares." PFD may, in its discretion, pay a commission to 
    


                                      9 
<PAGE> 

   
broker-dealers who initiate and are responsible for such purchases as 
follows: 0.50% on sales of $1 million to $5 million; and 0.10% on the excess 
over $5 million. These commissions will not be paid if the purchaser is 
affiliated with the broker-dealer or if the purchase represents the 
reinvestment of a redemption made during the previous 12 calendar months. 
Broker-dealers who receive a commission in connection with Class A share 
purchases at net asset value by 401(a) or 401(k) retirement plans with 1,000 
or more eligible participants or with at least $10 million in plan assets 
will be required to return any commission paid or a pro rata portion thereof 
if the retirement plan redeems its shares within 12 months of purchase. See 
also "How to Sell Trust Shares." In connection with PGI's acquisition of 
Mutual of Omaha Fund Management Company and contingent upon the achievement 
of certain sales objectives, PFD may pay to Mutual of Omaha Investor 
Services, Inc. 50% of PFD's retention of any sales commission on sales of the 
Trust's Class A shares through such dealer. From time to time, PFD may elect 
to reallow the entire initial sales charge to participating dealers for all 
Class A sales with respect to which orders are placed during a particular 
period. Dealers to whom substantially the entire sales charge is reallowed 
may be deemed to be underwriters under the federal securities laws. 
    

   
Qualifying for a Reduced Sales Charge. Class A shares of the Trust may be 
sold at a reduced or eliminated sales charge to certain group plans ("Group 
Plans") under which a sponsoring organization makes recommendations to, 
permits group solicitation of, or otherwise facilitates purchases by, its 
employees, members or participants. Class A shares of the Trust may be sold 
at net asset value without a sales charge to 401(k) retirement plans with 100 
or more participants or at least $500,000 in plan assets. Information about 
such arrangements is available from PFD. 
    

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

Reduced sales charges for Class A shares are available through an agreement 
to purchase a specified quantity of Trust shares over a designated 13-month 
period by completing the "Letter of Intention" section of the Account 
Application. Information about the Letter of Intention procedure, including 
its terms, is contained in the Statement of Additional Information. Investors 
who are clients of a broker-dealer with a current sales agreement with PFD 
may purchase Class A shares of the Trust at net asset value, without a sales 
charge, to the extent that the purchase price is paid out of proceeds from 
one or more redemptions by the investor of shares of certain other mutual 
funds. In order for a purchase to qualify for this privilege, the investor 
must document to the broker-dealer that the redemption occurred within 60 
days immediately preceding the purchase of Class A shares of the Trust; that 
the client paid a sales charge on the original purchase of the shares 
redeemed; and that the mutual fund whose shares were redeemed also offers net 
asset value purchases to redeeming shareholders of any of the Pioneer mutual 
funds. Further details may be obtained from PFD. 

Class B Shares 

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

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

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


                                      10 
<PAGE> 

        Year Since              CDSC as a Percentage of Dollar 
         Purchase                   Amount Subject to CDSC 
 --------------------------  ----------------------------------- 
First                                         2.0% 
Second                                        2.0% 
Third                                         1.0% 
Fourth and thereafter                        none 

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

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

   
All Classes of Shares 
    

   Waiver or Reduction of Contingent Deferred Sales 
Charge. The CDSC on Class B shares and on any Class A shares subject to a 
CDSC may be waived or reduced for non-retirement accounts if: (a) the 
redemption results from the death of all registered owners of an account (in 
the case of UGMAs, UTMAs and trust accounts, waiver applies upon the death of 
all beneficial owners) or a total and permanent disability (as defined in 
Section 72 of the Code) of all registered owners occurring after the purchase 
of the shares being redeemed or (b) the redemption is made in connection with 
limited automatic redemptions as set forth in "Systematic Withdrawal Plans" 
(limited in any year to 10% of the value of the account in the Trust at the 
time the withdrawal plan is established). 

   
   The CDSC on Class B shares and on any Class A shares subject to a CDSC may 
be waived or reduced for retirement plan accounts if: (a) the redemption 
results from the death or a total and permanent disability (as defined in 
Section 72 of the Code) occurring after the purchase of the shares being 
redeemed of a shareholder or participant in an employer-sponsored retirement 
plan; (b) the distribution is to a participant in an IRA, 403(b) or 
employer-sponsored retirement plan, is part of a series of substantially 
equal payments made over the life expectancy of the participant or the joint 
life expectancy of the participant and his or her beneficiary or as scheduled 
periodic payments to a participant (limited in any year to 10% of the value 
of the participant's account at the time the distribution amount is 
established; a required minimum distribution due to the participant's 
attainment of age 70-1/2 may exceed the 10% limit only if the distribution 
amount is based on plan assets held by Pioneer); (c) the distribution is from 
a 401(a) or 401(k) retirement plan and is a return of excess employee 
deferrals or employee contributions or a qualifying hardship distribution as 
defined by the Code or results from a termination of employment (limited with 
respect to a termination to 10% per year of the value of the plan's assets in 
the Trust as of the later of the prior December 31 or the date the account 
was established unless the plan's assets are being rolled over to or 
reinvested in the same class of shares of a Pioneer mutual fund subject to 
the CDSC of the shares originally held); (d) the distribution is from an IRA, 
403(b) or employer-sponsored retirement plan and is to be rolled over to or 
reinvested in the same class of shares in a Pioneer mutual fund and which 
will be subject to the applicable CDSC upon redemption; (e) the distribution 
is in the form of a loan to a participant in a plan which permits loans (each 
repayment of the loan will constitute a new sale which will be subject to the 
applicable CDSC upon redemption); or (f) the distribution is from a qualified 
defined contribution plan and represents a participant's directed transfer 
(provided that this privilege has been preauthorized through a prior 
agreement with PFD regarding participant directed transfers). 
    

   The CDSC on Class B shares and on any Class A shares subject to a CDSC may 
be waived or reduced for either non-retirement or retirement plan accounts 
if: (a) the redemption is made by any state, county, or city, or any 
instrumentality, department, authority, or agency thereof, which is 
prohibited by applicable laws from paying a CDSC in connection with the 
acquisition of shares of any registered investment management company; or (b) 
the redemption is made pursuant to the Trust's right to liquidate or 
involuntarily redeem shares in a shareholder's account. 

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

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


                                      11 
<PAGE> 

VIII. HOW TO SELL TRUST SHARES 

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

   You may sell your shares either through your broker-dealer or directly to 
the Trust. 

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

   (bullet) If you are selling shares from a non-retirement account, you may 
            use any of the methods described below. 

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

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

   (bullet) you wish to sell over $50,000 worth of shares, 

   (bullet) your account registration or address has changed within the last 
            30 days, 

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

   (bullet) the check is not being made out to the account owners, or 

   (bullet) the sale proceeds are being transferred to a Pioneer account with 
            a different registration. 

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

   
   Written requests will not be processed until they are received in good 
order by PSC. Good order means that there are no outstanding claims or 
requests to hold redemptions on the account, certificates are endorsed by the 
record owner(s) exactly as the shares are registered and the signature(s) are 
guaranteed by an eligible guarantor. You should be able to obtain a signature 
guarantee from a bank, broker, dealer, credit union (if authorized under 
state law), securities exchange or association, clearing agency or savings 
association. A notary public cannot provide a signature guarantee. Signature 
guarantees are not accepted by facsimile ("fax"). For additional information 
about the necessary documentation for redemption by mail, please contact PSC 
at 1-800-225-6292. 
    

   
   By Telephone or by Fax.  Your account is automatically authorized to have 
the telephone redemption privilege unless you indicate otherwise on your 
Account Application or by writing to PSC. Proper account identification will 
be required for each telephone redemption. A maximum of $50,000 per account 
per day may be redeemed by telephone or fax and the proceeds may be received 
by check or by bank wire or electronic funds tranfer. To receive the proceeds 
by check: the check must be made payable exactly as the account is registered 
and the check must be sent to the address of record which must not have 
changed in the last 30 days. To receive the proceeds by bank wire or by 
electronic funds transfer: the proceeds must be sent to your bank address of 
record which must have been properly pre-designated either on your Account 
Application or on an Account Options Form and which must not have changed in 
the last 30 days. To redeem by fax, send your redemption request to 
1-800-225-4240. You may always elect to deliver redemption instructions to 
PSC by mail. See "Telephone Transactions and Related Liabilities" below. 
Telephone and fax redemptions will be priced as described above. You are 
strongly urged to consult with your financial representative prior to 
requesting a telephone redemption. 
    

   By Check. If requested by you, the Trust will establish a checking account 
for you with The First National Bank of Omaha (the "Bank"). Checks may be 
drawn for not less than $500 nor more than $250,000. When a check is 
presented to the Bank for payment, it will cause the Trust to redeem, at the 
net asset value next determined after presentation, a sufficient number of 
your shares to cover the check. You will receive the daily dividends declared 
on your shares until the day the check clears. Please allow 1 to 2 weeks for 
receipt of personalized checks. 

   The checking account will be subject to the Bank's rules and regulations 
governing checking accounts. If there is an insufficient number of shares in 
your account when a check is presented to the Bank for payment, the check 
will be returned. 

   Since the aggregate value of a shareholder's account in the Trust changes 
each day, you should not attempt to withdraw the full amount in your account 
by using a check. The checkwriting privilege is generally not available for 
retirement plan accounts or accounts subject to backup withholding (see 
"Retirement Plans" below). 

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

   
   Small Accounts. The minimum account value is $500. If you hold shares of 
the Trust in an account with a net asset value of less than the minimum 
required amount due to redemptions or exchanges, the Trust may redeem the 
shares held in this account at net asset value if you have not 
    


                                      12 
<PAGE> 

increased the net asset value of the account to at least the minimum required 
amount within six months of notice by the Trust to you of the Trust's 
intention to redeem the shares. 

   
   CDSC on Class A Shares. Purchases of Class A shares of $1 million or more, 
or by participants in a Group Plan which were not subject to an initial sales 
charge, may be subject to a CDSC upon redemption. A CDSC is payable to PFD on 
these investments in the event of a share redemption within 12 months 
following the share purchase, at the rate of 0.50% of the lesser of the value 
of the shares redeemed (exclusive of reinvested dividend and capital gain 
distributions) or the total cost of such shares. Shares subject to the CDSC 
which are exchanged into another Pioneer mutual fund will continue to be 
subject to the CDSC until the original 12-month period expires. However, no 
CDSC is payable upon redemption with respect to Class A shares purchased by 
401(a) or 401(k) retirement plans with 1,000 or more eligible participants or 
with at least $10 million in plan assets. 
    

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

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

IX. HOW TO EXCHANGE TRUST SHARES 

   You may not exchange Class A shares of the Trust, except as noted below, 
for shares of any other Pioneer mutual funds for a period of 12 months 
following their purchase; following this 12-month period, you may exchange 
your Class A shares of the Trust at net asset value, without a sales charge, 
for shares of the same Class of any other publicly available Pioneer mutual 
fund. Accounts established under a Group Plan and Class A shares purchased at 
net asset value without a sales charge are exempt from the 12-month holding 
period requirement. Accounts established to utilize Automatic Exchange (see 
below) for scheduled periods of 12 months or longer meet this minimum holding 
period. Not all Pioneer mutual funds offer more than one Class of shares. 

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

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

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

   General. Exchanges must be at least $1,000. A new Pioneer mutual fund 
account opened through an exchange must have a registration identical to that 
on the original account. 

   Shares which would normally be subject to a CDSC upon redemption will not 
be charged the applicable CDSC at the time of an exchange. Shares acquired in 
an exchange will be subject to the CDSC of the shares originally held. For 
purposes of determining the amount of any applicable CDSC, the length of time 
you have owned shares acquired by exchange will be measured from the date you 
acquired the original shares and will not be affected by any subsequent 
exchange. 

   Exchange requests received by PSC before 4:00 p.m. Eastern Time will be 
effective on that day if the requirements below have been met, otherwise, 
they will be effective on the next business day. PSC will process exchanges 
only after receiving an exchange request in good order. There are currently 
no fees or sales charges imposed at the time of an exchange. An exchange of 
shares may be made only in states where legally permitted. For federal and 
(generally) state income tax purposes, an exchange is considered to be a sale 
of the shares of the Trust exchanged and a purchase of shares in another 
Pioneer mutual fund. Therefore, an exchange could result in a gain or loss on 
the shares sold, depending on the tax basis of these shares and the timing of 
the transaction, and special tax rules may apply. 

   
   You should consider the differences in objectives and policies of the 
Pioneer mutual funds, as described in each fund's current prospectus, before 
making any exchange. 

   For the protection of the Trust's performance and shareholders, the Trust 
and PFD reserve the right to refuse any exchange request or restrict, at any 
time without notice, the number and/or frequency of exchanges to prevent 
abuses of the exchange privilege. Such abuses may arise from frequent trading 
in response to short-term market fluctuations, a pattern of trading by an 
individual or group that appears to be an attempt to "time the market," or 
any other exchange request which, in the view of management, will have a 
detrimental effect on the Trust's portfolio management strategy or its 
operations. In addition, the Trust and PFD reserve the right to charge a fee 
for exchanges or to modify, limit, suspend or 
    


                                      13 
<PAGE> 

discontinue the exchange privilege with notice to shareholders as required by 
law. 

X. DISTRIBUTION PLANS 

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

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

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

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

   Commissions of 2%, equal to 1.75% of the amount invested and a first 
year's service fee equal to 0.25% of the amount invested in Class B shares, 
are paid to broker- dealers who have selling agreements with PFD. PFD may 
advance to dealers the first year service fee at a rate up to 0.25% of the 
purchase price of such shares and, as compensation therefor, PFD may retain 
the service fee paid by the Trust with respect to such shares for the first 
year after purchase. Dealers will become eligible for additional service fees 
with respect to such shares commencing in the 13th month following the 
purchase. Dealers may from time to time be required to meet certain criteria 
in order to receive service fees. PFD or its affiliates are entitled to 
retain all service fees payable under the Class B Plan for which there is no 
dealer of record or for which qualification standards have not been met as 
partial consideration for personal services and/or account maintenance 
services performed by PFD or its affiliates for shareholder accounts. 

XI. DIVIDENDS, DISTRIBUTIONS AND TAXATION 

   The Trust has elected to be treated, has qualified, and intends to qualify 
each year as a "regulated investment company" under Subchapter M of the Code 
so that it will not pay federal income taxes on income and capital gains 
distributed to shareholders at least annually. 

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

   A state income (and possibly local income and/or intangible property) tax 
exemption is generally available to the extent the Trust's distributions are 
derived from interest on (or, in the case of intangibles taxes, the value of 
its assets is attributable to) certain U.S. government securities, provided 
in some states that certain thresholds for holdings of such securities and/or 
reporting requirements are satisfied. The Trust will report annually to its 
shareholders the percentage of interest income earned from U.S. government 
securities during the preceding year. Each shareholder is advised to consult 
his own tax adviser regarding the exemptions, if any, available under 
applicable state and local law. 

   In computing its income for dividend purposes, the Trust attempts to 
conform its accounting to the requirements for federal income tax purposes. 

   Each business day the Trust declares a dividend consisting of 
substantially all of the Trust's net investment income (which includes earned 
interest and certain other income, less expenses). Shareholders begin earning 
dividends on 

                                      14 
<PAGE> 

the first business day following receipt of payment for purchased shares. 
Shares continue to earn dividends up to and including the date of redemption. 
Dividends are normally paid on the last business day of the month or shortly 
thereafter. Monthly distributions may also include a portion of any original 
issue discount, market discount, income from securities lending, certain net 
realized foreign exchange gains, and any net short-term capital gains 
realized by the Trust. Distributions from net long-term capital gains, if 
any, will be made annually, generally in December. Additional distributions 
may be made at such other times as may be necessary to avoid federal income 
or excise tax on the Trust. 

   Unless shareholders specify otherwise, all distributions will be 
automatically reinvested in additional full and fractional shares of the 
Trust. The Trust's monthly dividend distributions from the sources described 
above are taxable as ordinary income, and dividends from the Trust's net 
long-term capital gains are taxable as long-term capital gains, regardless of 
your holding period for the shares of the Trust. For federal income tax 
purposes, all dividends are taxable as described above, whether a shareholder 
takes them in cash or reinvests them in additional shares of the Trust. 
Information as to the federal tax status of dividends and distributions will 
be provided annually to shareholders. For further information on the 
distribution options available to shareholders, see "Distribution Options" 
and "Directed Dividends" below. 

   The Trust may be subject to foreign withholding taxes or other foreign 
taxes on income (possibly including some capital gains) from certain foreign 
investments. The Trust expects that it generally will not qualify to pass 
such taxes through to its shareholders, who consequently generally will 
neither include such taxes in their gross incomes nor be entitled to 
associated foreign tax credits or deductions. 

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

   The description above relates only to U.S. federal income tax consequences 
for shareholders who are U.S. persons, i.e., U.S. citizens or residents, or 
U.S. corporations, partnerships, trusts or estates and who are subject to 
U.S. federal income taxes. Non-U.S. shareholders and tax-exempt shareholders 
are subject to different tax treatment that is not described above. 
Shareholders should consult their own tax advisers regarding state, local and 
other applicable tax laws. 

XII. SHAREHOLDER SERVICES 

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

Account and Confirmation Statements 

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

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

Additional Investments 

   You may add to your account by sending a check ($100 minimum for Class A 
shares and $500 for Class B shares) to PSC (account number and Class of 
shares should be clearly indicated). The bottom portion of a confirmation 
statement may be used as a remittance slip to make additional investments. 

   
   Additions to your account, whether by check or through a Pioneer 
Investomatic Plan, are invested in full and fractional shares of the Trust at 
the applicable offering price in effect as of the close of regular trading on 
the Exchange on the day of receipt. 
Automatic Investment Plans 
    

   You may arrange for regular automatic investments of $50 or more through 
government/military allotments, payroll deduction or through a Pioneer 
Investomatic Plan. A Pioneer Investomatic Plan provides for a monthly or 
quarterly investment by means of a pre-authorized electronic funds transfer 
or draft drawn on a checking account. Pioneer Investomatic Plan investments 
are voluntary and you may discontinue the Plan without penalty upon 30 days' 
written notice to PSC. PSC acts as agent for the purchasers, the 
broker-dealer and PFD in maintaining these plans. 

Financial Reports and Tax Information 

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

Distribution Options 

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

                                      15 
<PAGE> 

   Two other options available are (a) dividends in cash and capital gains 
distributions in additional shares; and (b) all dividends and capital gains 
distributions in cash. These two options are not available, however, for 
retirement plans or an account with a net asset value of less than $500. 
Changes in your distribution options may be made by written request to PSC. 

Directed Dividends 

   You may elect (in writing) to have the dividends paid by one Pioneer 
mutual fund account invested in a second Pioneer mutual fund. The value of 
this second account must be at least $1,000 ($500 for Pioneer Fund or Pioneer 
II). Invested dividends may be in any amount, and there are no fees or 
charges for this service. Retirement plan shareholders may only direct 
dividends to accounts with identical registrations; i.e., "PGI IRA Cust for 
John Smith" may only go into another account registered "PGI IRA Cust for 
John Smith." 
Direct Deposit 

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

Voluntary Tax Withholding 

   
   You may request (in writing) that PSC withhold 28% of the dividends and 
capital gains distributions paid from an account (before any reinvestment) 
and forward the amount withheld to the IRS as a credit against your federal 
income taxes. This option is not available for retirement plan accounts or 
for accounts subject to backup withholding. 

Telephone Transactions and Related Liabilities 
    

   
   Your account is automatically authorized to have telephone transaction 
privileges unless you indicate otherwise on your Account Application or by 
writing to PSC. You may purchase, sell or exchange Trust shares by telephone. 
See "How to Buy Trust Shares," "How to Sell Trust Shares" and "How to 
Exchange Trust Shares" for more information. For personal assistance, call 
1-800-225-6292 between 8:00 a.m. and 9:00 p.m. Eastern Time on weekdays. 
Computer-assisted transactions may be available to shareholders who have 
pre-recorded certain bank information (see "FactFoneSM"). You are strongly 
urged to consult with your financial representative prior to requesting any 
telephone transaction. To confirm that each transaction instruction received 
by telephone is genuine, PSC will record each telephone transaction, require 
the caller to provide the personal identification number ("PIN") for the 
account and send you a written confirmation of each telephone transaction. 
Different procedures may apply to accounts that are registered to non-U.S. 
citizens or that are held in the name of an institution or in the name of an 
investment broker-dealer or other third-party. If reasonable procedures, such 
as those described above, are not followed, the Trust may be liable for any 
loss due to unauthorized or fraudulent instructions. The Trust may implement 
other procedures from time to time. In all other cases, neither the Trust, 
PSC or PFD will be responsible for the authenticity of instructions received 
by telephone, therefore, you bear the risk of loss for unauthorized or 
fraudulent telephone transactions. 
    

   During times of economic turmoil or market volatility or as a result of 
severe weather or a natural disaster, it may be difficult to contact the 
Trust by telephone to institute a redemption or exchange. You should 
communicate with the Trust in writing if you are unable to reach the Trust by 
telephone. 

FactFone(SM) 

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

Retirement Plans 

   Interested persons should contact the Retirement Plans Department of PSC 
at 1-800-622-0176 for information relating to retirement plans for 
businesses, age-weighted profit sharing plans, Simplified Employee Pension 
Plans, IRAs, Section 401(k) salary reduction plans and Section 403(b) 
retirement plans for employees of certain non-profit organizations and public 
school systems, all of which are available in conjunction with investments in 
the Trust. The Account Application accompanying this Prospectus should not be 
used to establish such plans. Separate applications are required. 

Telecommunications Device for the Deaf (TDD) 

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

Systematic Withdrawal Plans 

   If your account has a total value of at least $10,000, you may establish a 
Systematic Withdrawal Plan ("SWP") providing for fixed payments at regular 
intervals. Withdrawals from Class B share accounts are limited to 10% of the 
value of the account at the time the plan is implemented. See "Waiver or 
Reduction of Contingent Deferred Sales Charge" for more information. Periodic 
checks of $50 or more will be sent to you, or any person designated by you, 
monthly or quarterly, and your periodic redemptions of shares may be taxable 
to you. Payments can be made either by check or electronic transfer to a bank 
account designated by you. If you direct that withdrawal checks be paid 

                                      16 
<PAGE> 

to another after you have opened your account, a signature guarantee must 
accompany your instructions. Purchases of Class A shares of the Trust at a 
time when you have a SWP in effect may result in the payment of unnecessary 
sales charges and may therefore be disadvantageous. 

   You may obtain additional information by calling PSC at 1-800-225-6292 or 
by referring to the Statement of Additional Information. 

Reinstatement Privilege (Class A Shares Only) 

   If you redeem all or part of your Class A shares of the Trust, you may 
reinvest all or part of the redemption proceeds without a sales charge in 
Class A shares of the Trust if you send a written request to PSC not more 
than 90 days after your shares were redeemed. Your redemption proceeds will 
be reinvested at the next determined net asset value of the Class A shares of 
the Trust in effect immediately after receipt of the written request for 
reinstatement. You may realize a gain or loss for federal income tax purposes 
as a result of the redemption, and special tax rules apply if a reinvestment 
occurs. Subject to the provisions outlined under "How to Exchange Trust 
Shares" above, you may also reinvest in Class A shares of other Pioneer 
mutual funds; in this case you must meet the minimum investment requirements 
for each fund you enter. 

   The 90-day reinstatement period may be extended by PFD for periods of up 
to one year for shareholders living in areas that have experienced a natural 
disaster, such as a flood, hurricane, tornado, or earthquake. 

   The options and services available to shareholders, including the terms of 
the Exchange Privilege and the Pioneer Investomatic Plan, may be revised, 
suspended, or terminated at any time by PFD or by the Trust. You may 
establish the services described in this section when you open your account. 
You may also establish or revise many of them on an existing account by 
completing an Account Options Form, which you may obtain by calling 
1-800-225-6292. 

XIII. THE TRUST 

   The Trust is a diversified open-end management investment company 
(commonly referred to as a mutual fund) organized as a Massachusetts business 
trust on August 10, 1992. The Trust has authorized an unlimited number of 
shares of beneficial interest and the Trustees are authorized to create 
additional series of the Trust. The Trust is not required to hold annual 
meetings, although special meetings may be called for the purposes of 
electing or removing Trustees, changing fundamental investment restrictions 
or approving a management contract. The Trustees have the authority, without 
further shareholder approval, to classify and reclassify the shares of the 
Trust, or any new series of the Trust, into one or more classes. As of the 
date of this Prospectus, the Trustees have authorized the issuance of two 
Classes of shares, designated Class A and Class B. The shares of each Class 
represent an interest in the same portfolio of investments of the Trust. Each 
Class has equal rights as to voting, redemption, dividends and liquidation, 
except that each Class bears different distribution and transfer agent fees 
and may bear other expenses properly attributable to the particular Class. 
Class A and Class B shareholders have exclusive voting rights with respect to 
the Rule 12b-1 distribution plans adopted by holders of those shares in 
connection with the distribution of shares. 

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

XIV. INVESTMENT RESULTS 

   The average annual total return (for a designated period of time) on an 
investment in the Trust may be included in advertisements, and furnished to 
existing or prospective shareholders. The average annual total return for 
each Class is computed in accordance with the SEC's standardized formula. The 
calculation for all Classes assumes the reinvestment of all dividends and 
distributions at net asset value and does not reflect the impact of federal 
or state income taxes. In addition, for Class A shares the calculation 
assumes the deduction of the maximum sales charge of 2.50%; for Class B 
shares the calculation reflects the deduction of any applicable CDSC. The 
periods illustrated would normally include one, five and ten years (or since 
the commencement of the public offering of the shares of a Class, if shorter) 
through the most recent calendar quarter. 

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

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

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

                                      17 
<PAGE> 

                                    Notes 

                                      18 
<PAGE> 

THE PIONEER FAMILY OF MUTUAL FUNDS 

International Growth Funds 

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

Growth Funds 

  Pioneer Capital Growth Fund 
  Pioneer Mid-Cap Fund 
  Pioneer Growth Shares 
  Pioneer Small Company Fund 
  Pioneer Gold Shares 

Growth and Income Funds 

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

Income Funds 

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

Tax-Free Income Funds 

  Pioneer Intermediate Tax-Free Fund* 
  Pioneer Tax-Free Income Fund* 

Money Market Fund 

  Pioneer Cash Reserves Fund 

 *Not suitable for retirement accounts 

                                      19 
<PAGE> 

                                                                (Pioneer logo) 

Pioneer 
Short-Term 
Income Trust 
60 State Street 
Boston, Massachusetts 02109 

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

INVESTMENT ADVISER 
PIONEERING MANAGEMENT CORPORATION 

PRINCIPAL UNDERWRITER 
PIONEER FUNDS DISTRIBUTOR, INC. 

CUSTODIAN 
BROWN BROTHERS HARRIMAN & CO. 

INDEPENDENT PUBLIC ACCOUNTANTS 
ARTHUR ANDERSEN LLP 

LEGAL COUNSEL 
HALE AND DORR 

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

SERVICE INFORMATION 
If you would like information on the following, please call: 

Existing accounts and new accounts, prospectuses, 
 applications, service forms and telephone transactions         1-800-225-6292 
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1196-3720 
(C) Pioneer Funds Distributor, Inc. 


<PAGE>


                         PIONEER SHORT-TERM INCOME TRUST
                                 60 State Street
                           Boston, Massachusetts 02109

                       STATEMENT OF ADDITIONAL INFORMATION

                           Class A and Class B Shares


                                 March 29, 1996
   
                              (November 15, 1996)




         This Statement of Additional  Information  (Part B of the  Registration
Statement)  is not a  Prospectus,  but  should be read in  conjunction  with the
Prospectus  (the  "Prospectus")  dated March 29, 1996  (November 15,  1996),  of
Pioneer  Short-Term Income Trust (the "Trust").  A copy of the Prospectus can be
obtained free of charge by calling Shareholder  Services at 1-800-225-6292 or by
written request to the Trust at 60 State Street,  Boston,  Massachusetts  02109.
The Annual Report to  Shareholders  dated  November 30, 1995 is attached to this
Statement  of  Additional  Information  and is  hereby  incorporated  into  this
Statement of Additional Information by reference.
    


                                TABLE OF CONTENTS

                                                                      Page


1.  Investment Policies and Restrictions...............................  2
2.  Management of the Trust............................................  6
3.  Investment Adviser................................................. 10
4.  Underwriting Agreement and Distribution Plans...................... 12
5.  Shareholder Servicing/Transfer Agent............................... 12
6.  Custodian.......................................................... 12
7.  Principal Underwriter.............................................. 12
8.  Independent Public Accountants..................................... 13
9.  Portfolio Transactions............................................. 13
10. Tax Status......................................................... 14
11. Description of Shares.............................................. 16
12. Certain Liabilities................................................ 17
13. Determination of Net Asset Value................................... 17
14. Systematic Withdrawal Plan......................................... 18
15. Letter of Intention................................................ 18
16. Investment Results................................................. 19
17. Financial Statements............................................... 22


    Appendix A......................................................... 23
    Appendix B......................................................... 26
    Appendix C......................................................... 35


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



<PAGE>


1.   INVESTMENT POLICIES AND RESTRICTIONS

The  Prospectus  of the  Trust  identifies  the  investment  objective  and  the
principal  investment  policies of the Trust.  Other investment  policies of the
Trust  are set  forth  below.  The  Trust's  investment  adviser  is  Pioneering
Management Company ("PMC").

Asset-Backed Securities

The Trust may  invest in  asset-backed  securities,  which are  securities  that
represent a  participation  in, or are secured by and payable  from, a stream of
payments generated by particular  assets,  most often a pool or pools of similar
assets (e.g., trade receivables). The credit quality of these securities depends
primarily  upon the  quality  of the  underlying  assets and the level of credit
support and/or enhancement provided.

The underlying assets (e.g., loans) are subject to prepayments which shorten the
securities'  weighted average maturity and may lower their return. If the credit
support or enhancement  is exhausted,  losses or delays in payment may result if
the required payments of principal and interest are not made. The value of these
securities also may change because of changes in the market's  perception of the
creditworthiness  of the  servicing  agent for the pool,  the  originator of the
pool,  or the financial  institution  or trust  providing the credit  support or
enhancement.

Mortgage-Backed Securities

The Trust may invest in  mortgage-backed  securities issued or guaranteed by the
U.S. government, its agencies or instrumentalities and private entities. Some of
these securities,  such as GNMA  certificates,  are backed by the full faith and
credit of the U.S. Treasury while others, such as Freddie Mac certificates,  are
not.

Mortgage-backed  securities are securities  representing  interests in a pool of
mortgages.  Principal  and  interest  payments  made  on  the  mortgages  in the
underlying   mortgage  pool  are  passed  through  to  the  Trust.   Unscheduled
prepayments of principal  shorten the securities'  weighted average life and may
lower their total return.  The value of these securities also may change because
of changes in the market's  perception  of the  creditworthiness  of the federal
agency that issued them. In addition,  the mortgage securities market in general
may  be  adversely  affected  by  changes  in  governmental  regulations  or tax
policies.

When-Issued Securities

The Trust may from time to time purchase  securities on a  "when-issued"  basis,
provided that at any time not more than 5% of the Trust's net assets may consist
of  "when-issued"  securities.  The  price  of  such  securities,  which  may be
expressed in yield  terms,  is fixed at the time the  commitment  to purchase is
made, but delivery and payment for the  when-issued  securities  take place at a
later date.  It is possible that the value of such  securities  will increase or
decrease prior to the Trust's actual receipt of them.  Normally,  the settlement
date occurs within one month of the purchase.

Securities of Foreign Issuers

The Trust may invest in securities  issued by foreign  issuers and securities of
foreign branches of U.S. banks, such as negotiable certificates of deposit. Such
investments are subject to the Trust's quality and maturity standards (set forth
in the Prospectus).

Forward Foreign Currency Transactions

The foreign currency transactions of the Trust may be conducted on a spot, i.e.,
cash,  basis at the spot rate for purchasing or selling  currency  prevailing in
the foreign  exchange  market.  The Trust also has  authority to deal in forward
foreign  currency  exchange  contracts  involving  currencies  of the  different
countries in which it will invest as a hedge against possible  variations in the
foreign  exchange rate between these  currencies  and the U.S.  dollar.  This is
accomplished  through  contractual  agreements  to  purchase or sell a specified
currency at a specified  future
                                      -2-
<PAGE>
date and price set at the time of the contract.  The Trust's dealings in forward
foreign   currency   contracts  will  be  limited  to  hedging  either  specific
transactions or portfolio positions. Transaction hedging is the purchase or sale
of forward foreign  currency  contracts with respect to specific  receivables or
payables of the Trust  accruing in connection  with the purchase and sale of its
portfolio securities denominated in foreign currencies. Portfolio hedging is the
use of forward foreign currency contracts to offset portfolio security positions
denominated or quoted in such foreign currencies. There is no guarantee that the
Trust will be engaged in hedging activities when adverse exchange rate movements
occur.  The  Trust  will not  attempt  to  hedge  all of its  foreign  portfolio
positions  and will enter into such  transactions  only to the  extent,  if any,
deemed appropriate by the Trust's investment  adviser.  The Trust will not enter
into speculative forward foreign currency contracts.

If the Trust enters into a forward  contract to purchase foreign  currency,  its
custodian  bank will  segregate  cash or high grade liquid debt  securities in a
separate  account  of the Trust in an amount  equal to the value of the  Trust's
total assets  committed to the  consummation  of such  forward  contract.  Those
assets  will be  valued at  market  daily and if the value of the  assets in the
separate account  declines,  additional cash or securities will be placed in the
account so that the value of the  account  will equal the amount of the  Trust's
commitment with respect to such contracts.

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

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

Lending of Portfolio Securities

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

As with other  extensions of credit there are risks of delay in recovery or even
loss of rights in the  collateral  should the  borrower of the  securities  fail
financially.  The  Trust has no  present  intention  to  engage in any  material
portfolio lending in the future.  The Trust will lend portfolio  securities only
to firms which have been  approved in advance by the Trust's  Board of Trustees,
which will  monitor the  creditworthiness  of any such  firms.  The value of the
securities loaned will not exceed 5% of the value of the Trust's total assets.

Restricted Securities

The Trust may  invest up to 5% of its total  assets in  "restricted  securities"
(i.e.,  securities that would be required to be registered prior to distribution
to the public),  including restricted  securities eligible for resale to certain
institutional  investors pursuant to Rule 144A under the Securities Act of 1933.
The  Board of  Trustees  may  adopt  guidelines  and  delegate  to PMC the daily
function of determining  and monitoring the liquidity of restricted  securities.
The  Board,   however,  will  retain  sufficient  oversight  and  be  ultimately
responsible  for the  determinations.  Since it is not  possible to predict with
assurance  exactly how this market for  restricted  securities  sold and offered
under Rule 144A will  develop,  the Board will  carefully  monitor  the  Trust's
investments  in these 
                                      -3-
<PAGE>

securities,  focusing on such  important  factors,  among others,  as valuation,
liquidity and availability of information.  This investment  practice could have
the effect of  increasing  the level of  illiquidity  in the Trust to the extent
that qualified institutional buyers become for a time uninterested in purchasing
these restricted securities.

Investment Restrictions

Fundamental Investment  Restrictions.  The Trust has adopted certain fundamental
investment restrictions which may not be changed without the affirmative vote of
the holders of a majority of the Trust's outstanding voting securities.  As used
in the Prospectus and Statement of Additional  Information,  such approval means
the  approval  of the  lesser of (i) the  holders  of 67% or more of the  shares
represented  at a meeting  if the  holders  of more than 50% of the  outstanding
shares are  present in person or by proxy,  or (ii) the holders of more than 50%
of the outstanding shares.

         The Trust may not:

         (1)Issue senior securities,  except as permitted by paragraphs (2), (6)
and (7) below.  For  purposes  of this  restriction,  the  issuance of shares of
beneficial  interest  in  multiple  classes or series,  the  purchase or sale of
options,   futures   contracts  and  options  on  futures   contracts,   forward
commitments,  forward  foreign  exchange  contracts  and  repurchase  agreements
entered into in accordance with the Trust's  investment  policy, and the pledge,
mortgage or  hypothecation of the Trust's assets within the meaning of paragraph
(3) below are not deemed to be senior securities.

         (2)Borrow  money,   except  from  banks  as  a  temporary  measure  for
extraordinary emergency purposes in amounts not to exceed 33 1/3% of the Trust's
total assets  (including the amount  borrowed) taken at market value.  The Trust
will not use leverage to attempt to increase income. The Trust will not purchase
securities while outstanding borrowings exceed 5% of the Trust's total assets.

         (3)Pledge,  mortgage,  or  hypothecate  its  assets,  except  to secure
indebtedness  permitted by paragraph  (2) above and then only if such  pledging,
mortgaging or hypothecating  does not exceed 33 1/3% of the Trust's total assets
taken at market value.

         (4)Act as an underwriter, except to the extent that, in connection with
the  disposition  of  portfolio  securities,  the  Trust  may be deemed to be an
underwriter for purposes of the Securities Act of 1933.

         (5)Purchase  or sell real estate or any interest  therein,  except that
the Trust  may  invest  in  securities  secured  by real  estate  or  marketable
interests  therein or  securities  issued by  companies  (other than real estate
limited partnerships) that invest in real estate or interests therein.

         (6)Make  loans,  except that the Trust may lend  portfolio  securities,
enter into repurchase  agreements,  and purchase bank certificates of deposit, a
portion  of an issue of  publicly  distributed  bonds,  bank loan  participation
agreements,  bankers' acceptances,  debentures and other securities,  whether or
not the  purchase  is made upon the  original  issuance  of the  securities,  in
accordance with its investment policies.

         (7)Invest in commodities or commodity  contracts or in puts,  calls, or
combinations  of both,  except  interest  rate  futures  contracts,  options  on
securities,  securities  indices,  currency  and  other  financial  instruments,
futures  contracts  on  securities,   securities  indices,  currency  and  other
financial  instruments  and options on such futures  contracts,  forward foreign
currency exchange contracts,  forward commitments,  securities index put or call
warrants and repurchase  agreements  entered into in accordance with the Trust's
investment policies.

         (8)Purchase  securities of an issuer  (other than the U.S.  Government,
its agencies or instrumentalities), if

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

                                      -4-
<PAGE>

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

With the  exception of forward  foreign  currency  exchange  contracts,  forward
commitments and repurchase agreements,  the Trust does not intend to invest more
than 5% of its assets during the current  fiscal year in any of the  investments
permitted by the exceptions set forth in paragraph (7) above.

It is the policy of the Trust not to concentrate  its  investments in securities
of  companies  in any  particular  industry.  In the opinion of the staff of the
Securities and Exchange Commission (the "SEC"),  investments are concentrated in
a particular  industry if such investments  aggregate 25% or more of the Trust's
total  assets.  The  Trust's  policy  does  not  apply  to  investments  in U.S.
Government Securities.

Non-fundamental  Investment  Restrictions.  The following restrictions have been
designated as non-fundamental  and may be changed by a vote of the Trust's Board
of Trustees without  approval of  shareholders.  The Trust has agreed to many of
these non-fundamental restrictions in connection with the offering of its shares
in various states and foreign countries.

         The Trust may not:

         (a)Participate on a  joint-and-several  basis in any securities trading
account.  The  "bunching"  of  orders  for the sale or  purchase  of  marketable
portfolio  securities with other accounts under the management of the investment
adviser to save  commissions  or to average  prices  among them is not deemed to
result in a securities trading account.

         (b)Purchase  securities  on margin or make short sales unless by virtue
of its  ownership  of other  securities,  the  Trust  has the  right  to  obtain
securities  equivalent  in kind and amount to the  securities  sold and,  if the
right is conditional, the sale is made upon the same conditions, except that the
Trust may obtain such  short-term  credits as may be necessary for the clearance
of  purchases  and  sales of  securities  and in  connection  with  transactions
involving forward foreign currency exchange transactions.

         (c)Purchase  a  security  if,  as a  result,  (i) more  than 10% of the
Trust's  assets  would  be  invested  in  securities  of  closed-end  investment
companies,  (ii)  such  purchase  would  result  in more  than  3% of the  total
outstanding  voting  securities of any one such  closed-end  investment  company
being held by the Trust,  or (iii) more than 5% of the Trust's  assets  would be
invested  in any one such  closed-end  investment  company.  The Trust  will not
invest in the securities of any open-end investment company.

         (d)Purchase   securities  of  any  issuer  which,   together  with  any
predecessor,  has a record of less than three years' continuous operations prior
to the purchase if such  purchase  would cause  investments  of the Trust in all
such issuers to exceed 5% of the value of the total assets of the Trust.

         (e)Invest  in  companies  for the  purpose  of  exercising  control  or
management.

         (f)Purchase  warrants of any issuer, if, as a result of such purchases,
more  than 2% of the  value of the  Trust's  net  assets  would be  invested  in
warrants  which are not listed on the New York Stock  Exchange  or the  American
Stock Exchange or more than 5% of the value of the net assets of the Trust would
be invested in warrants generally, whether or not so listed. For these purposes,
warrants are to be valued at the lesser of cost or market, but warrants acquired
by the Trust in units with or attached to debt securities  shall be deemed to be
without value.

         (g)Knowingly  purchase or retain securities of an issuer if one or more
of the  Trustees  or  officers  of the Trust or  directors  or  officers  of the
investment  adviser or any  investment  management  subsidiary of the investment
adviser   individually  owns  beneficially  more  than  0.5%  and  together  own
beneficially more than 5% of the securities of such issuer.


                                      -5-
<PAGE>

         (h)Purchase   interests  in  oil,  gas  or  other  mineral   leases  or
exploration programs;  however, this policy will not prohibit the acquisition of
securities of companies engaged in the production or transmission of oil, gas or
other minerals.

         (i)Invest in any security,  including any repurchase agreement maturing
in more than seven days,  which is illiquid if more than 15% of the total assets
of the Trust, taken at market value, would be invested in such securities.

         (j)Purchase puts, calls, straddles, spreads and any combination thereof
if the value of its  investment in such  securities  will exceed 5% of its total
assets.

         (k)Write  put or call  options,  or enter into futures  contracts  with
respect to more than 25% of its net assets.

Many of these  restrictions  may not be  changed  without  the  approval  of the
regulatory agencies in such states or foreign countries.

2.   MANAGEMENT OF THE TRUST

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


         JOHN F. COGAN, JR.*, Chairman of the Board, President and Trustee, DOB:
June 1926
         President, Chief Executive Officer and a Director of The Pioneer Group,
Inc.  ("PGI");  Chairman  and a Director of  Pioneering  Management  Corporation
("PMC") and Pioneer  Funds  Distributor,  Inc.  ("PFD");  Director of Pioneering
Services   Corporation   ("PSC"),   Pioneer  Capital   Corporation  ("PCC")  and
Forest-Starma (a Russian  corporation);  President and Director of Pioneer Plans
Corporation  ("PPC"),  Pioneer  Investment  Corp.  ("PIC"),  Pioneer  Metals and
Technology,  Inc. ("PMT"), Pioneer International Corp. ("PIntl"),  Pioneer First
Russia, Inc. ("First Russia") and Pioneer Omega, Inc. ("Omega"); Chairman of the
Board  and  Director  of  Pioneer   Goldfields  Limited  ("PGL")  and  Teberebie
Goldfields  Limited;   Chairman  of  the  Supervisory  Board  of  Pioneer  Fonds
Marketing,  GmbH ("Pioneer  GmbH");  Member of the Supervisory  Board of Pioneer
First Polish Trust Fund Joint Stock Company  ("PFPT");  Chairman,  President and
Trustee of all of the Pioneer  mutual funds and Partner,  Hale and Dorr (counsel
to the Trust).

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

MARGARET B.W. GRAHAM, Trustee,  DOB:  May 1947
The Keep, P.O. Box 110. Little Deer Isle, ME  04650
         Founding  Director,  Winthrop Group, Inc (consulting  firm) since 1982;
Manager of Research  Operations,  Xerox Palo Alto Research Center,  from 1991 to
1994;  Professor of Operations  Management and Management of Technology,  Boston
University School of Management  ("BUSM"),  from 1989 to 1993 and Trustee of all
of the Pioneer mutual funds, except Pioneer Variable Contracts Trust.

                                      -6-
<PAGE>

JOHN W. KENDRICK, Trustee,  DOB:  July 1917
6363 Waterway Drive, Falls Church, VA  22044
         Professor Emeritus and Adjunct Scholar,  George Washington  University;
Economic  Consultant and Director,  American  Productivity  and Quality  Center;
American  Enterprise  Institute and Trustee of all of the Pioneer  mutual funds,
except Pioneer Variable Contracts Trust.

MARGUERITE A. PIRET, Trustee,  DOB:  May 1948
ne Boston Place, Suite 2635, Boston, MA 02108

         President,  Newbury,  Piret & Company, Inc. (merchant banking firm) and
Trustee of all of the Pioneer mutual funds.

DAVID D. TRIPPLE*, Trustee and Executive Vice President,  DOB:  February 1944
         Executive  Vice  President  and a  Director  of PGI;  President,  Chief
Investment  Officer and a Director of PMC;  Director of PFD, PCC,  PIC,  PIntl ,
First Russia,  Omega and Pioneer SBIC Corporation,  Executive Vice President and
Trustee of all of the Pioneer mutual funds.

STEPHEN K. WEST, Trustee,  DOB: September 1928
125 Broad Street, New York, NY  10004
         Partner,  Sullivan & Cromwell (law firm);  Trustee,  The Winthrop Focus
Funds (mutual funds) and Trustee of all of the Pioneer mutual funds.

JOHN WINTHROP, Trustee,  DOB:  June 1936
One North Adgers Wharf, Charleston, SC  29401
         President,  John  Winthrop  &  Co.,  Inc.  (private  investment  firm);
Director of NUI Corp.; Trustee of Alliance Capital Reserves, Alliance Government
Reserves  and  Alliance  Tax Exempt  Reserves  and Trustee of all of the Pioneer
mutual funds, except Pioneer Variable Contracts Trust.

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

JOSEPH P. BARRI, Secretary, DOB: August 1946
         Secretary of PGI, PMC, PPC, PIC,  PIntl,  PMT, First Russia,  Omega and
PCC;  Clerk of PFD and PSC;  Partner,  Hale and Dorr  (counsel to the Trust) and
Secretary of all of the Pioneer mutual funds.

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

ROBERT P. NAULT, Assistant Secretary, DOB:   March 1964
         General  Counsel and Assistant  Secretary of PGI since 1995;  Assistant
Secretary of PMC, PIntl, PGL, First Russia,  Omega and all of the Pioneer mutual
funds;  Assistant  Clerk of PFD and PSC: and .formerly of Hale and Dorr (counsel
to the Trust) where he most recently served as junior partner.

RICHARD A. SCHLANGER, Vice President,  DOB:  July 1948
         Vice President of PMC.

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

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


                                      -7-
<PAGE>

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

                                              Investment        Principal
Fund Name                                       Adviser        Underwriter


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

Note 1   This fund is a closed-end fund.

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


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


         At  February  29,  1996,   the  Trustees  and  officers  of  the  Trust
beneficially owned, in the aggregate,  less than 1% of the outstanding shares of
the Trust. At February 29, 1996,  Merrill Lynch Pierce Fenner & Smith,  Inc. and
Donaldson  Lufkin Jenrette  Securities  Corporation,  4800 Deer Lake Drive East,
Jacksonville,  Florida, owned of record, respectively,  1,202,705 Class A shares
(8.78% of the Class A shares outstanding), and 197,975 Class B shares (21.50% of
the Class B shares  outstanding)  of the Trust.  At  February  29,  1996,  First
Alabama Bank as Custodian  for John A. Gorham IRA,  Box 5126,  Glencoe,  Alabama
owned of record  52,083  shares of the Class B shares of the Trust (5.65% of the
Class B shares  outstanding).  To the  knowledge  of the  Trust,  no  individual
officer or Trustee of the Trust  owned 5% or more of the issued and  outstanding
shares of PGI on the date of the  Prospectus,  except  Mr.  Cogan who then owned
approximately 15% of such shares.

         Commencing on December 1, 1995, the Trust will pay an annual  trustees'
fee to each Trustee who is not  affiliated  with PGI, PMC, PFD or PSC consisting
of two components:  (a) a base fee of $500 and (b) a variable fee, calculated on
the  basis  of  the  average  net  assets  of  each  series,   estimated  to  be
approximately $60 for 1996. In


                                      -8-
<PAGE>

addition,  the Trust will pay a per meeting  fee of $120 to each  Trustee who is
not  affiliated  with PGI,  PMC,  PFD or PSC.  The Trust also will pay an annual
committee  participation  fee to each  Trustee  who  serves  as a member  of any
committees  established to act on behalf of one or more of the of Pioneer mutual
funds. Committee fees will be allocated to the Trust on the basis of the Trust's
average net assets.  Each Trustee who is a member of the Audit Committee for the
Pioneer  mutual funds will  receive an annual fee equal to 10% of the  aggregate
annual  trustees'  fee,  except the  Committee  Chair who will receive an annual
trustees' fee equal to 20% of the aggregate  annual trustees' fee. The 1996 fees
for the Audit  Committee  members  and Chair are  expected  to be  approximately
$6,000 and  $12,000,  respectively.  Members of the  Pricing  Committee  for the
Pioneer  mutual funds,  as well as any other  committee  which renders  material
functional  services to the Board of Trustees for the Pioneer mutual funds, will
receive  an annual  fee equal to 5% of the  annual  trustees'  fee,  except  the
Committee  Chair who will  receive an annual  trustees'  fee equal to 10% of the
annual trustees' fee. The 1996 fees for the Pricing  Committee members and Chair
are expected to be approximately $3,000 and $6,000, respectively.  Any such fees
paid to affiliates or interested  persons of PGI, PMC, PFD or PSC are reimbursed
to the Trust  under its  Management  Contract.  The Trust  pays no  salaries  of
compensation to any of its officers.

         For the fiscal year ended November 30, 1995, the Trust paid no salaries
or compensation to any of its officers.  The Trust paid an annual  trustees' fee
of $500 to each Trustee who was not affiliated  with PMC, PFD or PSC and paid an
annual trustees' fee of $500 plus expenses to each Trustee  affiliated with PMC,
PFD or PSC.

<TABLE>
<CAPTION>

                                                                             Total Compensa-
                                                                              tion from the
                                                    Pension or               Trust and other
                             Aggregate              Retirement                funds in the
                           Compensation              Benefits                Pioneer Family
TrusteeFrom the Trust         Accrued            of Mutual Funds**

<S>                             <C>                      <C>                    <C>     

John F. Cogan, Jr.              $  500*                  $0                     $11,000*
Richard H. Egdahl, M.D.          1,000                    0                      63,315
Margaret B.W. Graham             1,000                    0                      62,398
John W. Kendrick                 1,000                    0                      62,398
Marguerite A. Piret              1,254                    0                      76,704
David D. Tripple                   500*                   0                      11,000*
Stephen K. West                  1,172                    0                      68,180
John Winthrop                    1,260                    0                      71,199
                                -------------------------------------------------------


  Totals                        $7,632                   $0                    $426,694
                                =========================                      ========

</TABLE>


- --------

*    PMC fully reimbursed the Trust and the other funds in the Pioneer Family of
     Mutual Funds for compensation paid to Messrs. Cogan and Tripple.


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


         Any fees and expenses paid to affiliates or interested  persons of PMC,
PFD or PSC are reimbursed to the Trust under its Management Contract.

3.       INVESTMENT ADVISER

         The  Trust  has   contracted   with  PMC,  60  State  Street,   Boston,
Massachusetts,  to act as its investment adviser.  PMC assists in the management
of the Trust and is authorized in its discretion to buy and sell  securities for
the  account  of the  Trust,  subject to the right of the  Trust's  trustees  to
disapprove any such purchase or sale. A description of the services  provided to
the Trust under the management contract and the expenses paid by the Trust under
the contract is set forth in the Prospectus under the caption "Management of the
Trust."

                                      -9-
<PAGE>

         The management  contract expires initially on April 30, 1994, but it is
renewable  annually  after such date by the vote of a  majority  of the Board of
Trustees of the Trust (including a majority of the Board of Trustees who are not
parties to the  contract  or  interested  persons of any such  parties)  cast in
person at a meeting  called  for the  purpose  of voting on such  renewal.  This
contract  terminates if assigned and may be terminated without penalty by either
party, by the giving of sixty days' written notice.

         As compensation for its management services and expenses incurred,  PMC
is entitled to a management fee at the rate of 0.50% per annum on the first $100
million;  0.45% on the next $200 million; and 0.40% on assets over $300 million.
The fee is normally computed daily and paid monthly.

         Effective December 1, 1993, PMC agreed not to impose its management fee
to the extent  necessary  to limit the Trust's  expenses to 0.85% of its average
daily net assets.  This  agreement is voluntary and temporary and may be revised
or terminated at any time.


         During the fiscal years ended  November 30,  1995,  1994 and 1993,  PMC
would  have  earned   management  fees  of  $291,294,   $337,731  and  $156,492,
respectively, if a voluntary expense limitation had not been in effect. However,
pursuant to the expense  limitation  agreement  described above, PMC reduced its
management fees during the fiscal year ended November 30, 1994 by $235,347, and,
PMC voluntarily agreed not to impose any management fees during the fiscal years
ended November 30, 1995 and 1993.


4.       UNDERWRITING AGREEMENT AND DISTRIBUTION PLANS

         The Trust has entered  into an  Underwriting  Agreement  with PFD.  The
Underwriting Agreement provides that PFD will bear any distribution expenses not
borne by the Trust.

         PFD  bears all  expenses  it incurs  in  providing  services  under the
Underwriting Agreement.  Such expenses include compensation to its employees and
representatives  and to securities  dealers for  distribution  related  services
performed for the Trust.  PFD also pays certain  expenses in connection with the
distribution  of the Trust's shares,  including the cost of preparing,  printing
and distributing  advertising or promotional materials, and the cost of printing
and distributing prospectuses and supplements to prospective  shareholders.  The
Trust bears the cost of registering its shares under federal,  state and foreign
securities law.

         The Trust and PFD have agreed to indemnify  each other against  certain
liabilities, including liabilities under the Securities Act of 1933, as amended.
Under the  Underwriting  Agreement,  PFD will use its best  efforts in rendering
services to the Trust.

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

         Class A Plan

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

         Class B Plan

         The Class B Plan  provides that the Trust shall pay PFD, as the Trust's
distributor for its Class B shares, a daily  distribution fee equal on an annual
basis to 0.75% of the Trust's  average daily net assets  attributable to


                                      -10-
<PAGE>

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

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

         General

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

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

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

         During the fiscal year ended  November  30,  1995,  the Trust  incurred
total  distribution  fees  pursuant to the Class A and Class B Plans of $138,238
and $30,305,  respectively.  Distribution  fees were paid by the Trust to PFD in
reimbursement of expenses related to compensating dealers and sales personnel.

                                      -11-
<PAGE>

         During the fiscal  year  ended  November  30,  1995,  CDSCs,  at a rate
declining from a maximum of 2.0% of the lower of the cost or market value of the
shares being redeemed,  of $11,523 were charged to redemptions of Class B shares
made within 3 years of purchase (as  described in How to Buy Trust Shares in the
Prospectus).  Such CDSCs are paid to PFD in reimbursement of expenses related to
servicing of shareholders  accounts and  compensation  paid to dealers and sales
personnel.


5.       SHAREHOLDER SERVICING/TRANSFER AGENT

         The  Trust  has   contracted   with  PSC,  60  State  Street,   Boston,
Massachusetts,  to act as shareholder servicing agent and transfer agent for the
Trust.  This  contract  terminates  if assigned  and may be  terminated  without
penalty  by either  party by vote of its Board of  Directors  or  Trustees  or a
majority of its  outstanding  voting  securities  and the giving of ninety days'
written notice.

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


   
         PSC  receives  an  annual  fee  of  $30.00  per  Class  A and  Class  B
shareholder  account from the Trust as compensation  for the services  described
above.  This fee is set at an amount  determined  by vote of a  majority  of the
Trustees  (including  a  majority  of the  Trustees  who are not  parties to the
contract with PSC or interested persons of any such parties) to be comparable to
fees for such services being paid by other  investment  companies.  The Fund may
compensate   entities  which  have  contracted  to  be  an  agent  for  specific
transaction  processing and services.  Any such payments by the Fund would be in
lieu of the per account fee which would otherwise be paid by the Fund to PSC.
    


6.       CUSTODIAN

         Brown  Brothers  Harriman  (the  "Custodian")  is the  custodian of the
Trust's  assets.  The  Custodian's   responsibilities  include  safekeeping  and
controlling the Trust's cash and  securities,  handling the receipt and delivery
of securities, and collecting interest and dividends on the Trust's investments.
The Custodian does not determine the investment  policies of the Trust or decide
which securities the Trust will buy or sell. The Trust may,  however,  invest in
securities,  including  repurchase  agreements,  issued by the Custodian and may
deal with the  Custodian  as  principal in  securities  transactions.  Portfolio
securities may be deposited into the Federal  Reserve-Treasury  Department  Book
Entry System or the Depository Trust Company.

7.       PRINCIPAL UNDERWRITER

         PFD, 60 State Street,  Boston,  Massachusetts,  serves as the principal
underwriter  for the Trust in  connection  with the  continuous  offering of its
shares.

         The Trust will not generally issue Trust shares for consideration other
than cash. At the Trust's sole  discretion,  however,  it may issue Trust shares
for consideration other than cash in connection with an acquisition of portfolio
securities  (other than  municipal  debt  securities  issued by state  political
subdivisions or their agencies or  instrumentalities) or pursuant to a bona fide
purchase of assets,  merger or other reorganization  provided (i) the securities
meet the investment  objectives  and policies of the Trust;  (ii) the securities
are  acquired  by the  Trust  for  investment  and not  for  resale;  (iii)  the
securities  are not  restricted  as to transfer  either by law or  liquidity  of
market; and (iv) the securities have a value which is readily ascertainable (and
not established only by evaluation  procedures) as evidenced by a listing on the
American  Stock  Exchange or the New York Stock  Exchange or by quotation on the
NASD Automated Quotation System. An exchange of securities for Trust shares will
generally be a taxable transaction to the shareholder.

         The Trust has  elected to be  governed by Rule 18f-1 under the 1940 Act
pursuant to which the Trust is obligated to redeem  shares  solely in cash up to
the lesser of $250,000  or 1% of the  Trust's net asset value  during any 90-day
period for any one shareholder.


         During the fiscal years ended  November 30,  1995,  1994 and 1993,  net
underwriting  commissions earned by PFD in connection with its offering of Trust
shares  were   approximately   $24,247,   $49,173  and  $79,000,   respectively.
Commissions  reallowed to dealers by PFD in the same periods were  approximately
$107,008, $257,537 and $538,000, respectively.


8.       INDEPENDENT PUBLIC ACCOUNTANTS

         Arthur  Andersen  LLP is the  Trust's  independent  public  accountant,
providing audit  services,  tax return review,  and assistance and  consultation
with  respect to the  preparation  of filings with the  Securities  and Exchange
Commission.

9.       PORTFOLIO TRANSACTIONS

         The Trust  intends to fully manage its  portfolio by buying and selling
securities,  as  well  as  holding  securities  to  maturity.  In  managing  its
portfolio,  the Trust seeks to take advantage of market  developments  and yield
disparities, which may include use of the following strategies:

          (1) shortening the average  maturity of its portfolio in  anticipation
     of a rise in interest rates so as to minimize depreciation of principal;

          (2) lengthening the average  maturity of its portfolio in anticipation
     of a decline in interest rates so as to maximize yield;

          (3)  selling  one  type of  debt  security  and  buying  another  when
     disparities arise in the relative values of each; and

          (4) changing  from one debt  security to an  essentially  similar debt
     security  when  their  respective  yields  appear  distorted  due to market
     factors.

         The Trust engages in portfolio trading if it believes a transaction net
of costs  (including  custodian  charges)  will help in  achieving  the  Trust's
investment objective.

         Decisions  relating  to the  purchase  and sale of  securities  for the
Trust,  the  allocation of portfolio  transactions  and, where  applicable,  the
negotiation of commission rates are made by officers of PMC.

         The primary consideration in placing portfolio security transactions is
execution  at the most  favorable  prices.  PMC has  complete  freedom as to the
markets in which and  broker-dealers  through  which it seeks this result.  Debt
securities are traded principally in the over-the-counter  market on a net basis
through  dealers  acting for their own account  and not as brokers.  The cost of
securities purchased from underwriters  includes an underwriter's  commission or
concession,  and the prices at which  securities are purchased and sold from and
to dealers include a dealer's markup or markdown. PMC attempts to negotiate with
underwriters  to decrease the  commission or  concession  for the benefit of the
Trust.  PMC  normally  seeks to deal  directly  with the primary  market  makers
unless, in its opinion, better prices are available elsewhere.


         Subject to the  requirement of seeking  execution at the best available
price,  securities may, as authorized by PMC's  management  contract,  be bought
from or sold to dealers who furnish  statistical  research and other information
or  services  to PMC and the  Trust,  or who sell  shares of any of the  Pioneer
mutual funds.  Brokerage and research services may include advice concerning the
value of securities;  the  advisability  of investing in,  purchasing or selling
securities;  the  availability  of  securities  or the  purchasers or sellers of
securities;  and furnishing  analyses,  manuals and reports concerning  issuers,
securities,  economic  factors and trends,  portfolio 


                                      -13-
<PAGE>

strategy, performance of accounts, comparative fund statistics and credit rating
service  information.  PMC  maintains  a listing of  dealers  who  provide  such
services on a regular basis.  Management believes that no exact dollar value can
be calculated for such services.


         The   Trustees   periodically   review   PMC's   performance   of   its
responsibilities  in connection with the placement of portfolio  transactions on
behalf  of the  Trust and  review  the  dealer  spreads  paid by the Trust  over
representative  periods of time to determine if they are  reasonable in relation
to the benefits to the Trust.


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


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


         During the fiscal years ended  November 30,  1995,  1994 and 1993,  the
Trust paid no brokerage or underwriting commissions.


10.      TAX STATUS


         It is the Trust's  policy to meet the  requirements  of Subchapter M of
the Internal Revenue Code of 1986, as amended (the "Code") for  qualification as
a regulated investment company.  These requirements relate to the sources of its
income,  the  diversification of its assets, and the timing of its distributions
to shareholders. If the Trust meets all such requirements and distributes to its
shareholders, in accordance with the Code's timing requirements,  all investment
company  taxable  income and net capital  gain, if any,  which it receives,  the
Trust will be relieved of the necessity of paying federal income tax.

         Dividends from investment  company  taxable income,  which includes net
investment  income,  net  short-term  capital  gain in excess  of net  long-term
capital loss, and certain net foreign  exchange  gains,  are taxable as ordinary
income,  whether  received in cash or in additional  shares.  Dividends from net
long-term capital gain in excess of net short-term capital loss, if any, whether
received in cash or additional shares,  are taxable to the Trust's  shareholders
as long-term capital gains for federal income tax purposes without regard to the
length of time shares of the Trust have been held. The federal income tax status
of all distributions will be reported to shareholders annually.  Because none of
the Trust's  income is expected to arise from  dividends  paid by U.S.  domestic
corporations,  no part of the distributions to its U.S.  corporate  shareholders
will qualify for the dividends-received deduction for corporations.


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

                                      -14-
<PAGE>

         Foreign  exchange gains and losses  realized by the Trust in connection
with  certain   transactions   involving   foreign   currency-denominated   debt
securities,  forward foreign currency contracts, foreign currencies, or payables
or receivables  denominated in a foreign  currency are subject to Section 988 of
the Code, which generally causes such gains and losses to be treated as ordinary
income  and  losses  and  may  affect  the  amount,   timing  and  character  of
distributions  to  shareholders.  Any such  transactions  that are not  directly
related to the Trust's  investment in securities may increase the amount of gain
it is deemed to  recognize  from the sale of certain  investments  held for less
than 3  months,  which  gain is  limited  under the Code to less than 30% of its
annual gross income,  and may under future Treasury  regulations  produce income
not among the types of  "qualifying  income" from which the Trust must derive at
least 90% of its annual gross  income.  If the net foreign  exchange  loss for a
year were to exceed the Trust's  investment  company  taxable  income  (computed
without regard to such loss) the resulting  overall  ordinary loss for such year
would not be deductible by the Trust or its shareholders in future years.

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


         At the time of an investor's purchase of Trust shares, a portion of the
purchase price is often  attributable to realized or unrealized  appreciation in
the  Trust's  portfolio.   Consequently,   subsequent  distributions  from  such
appreciation  on such  shares may be taxable  to such  investor  even if the net
asset  value of the  investor's  shares  is, as a result  of the  distributions,
reduced  below the  investor's  cost for such  shares and the  distributions  in
reality represent a return of a portion of the investment.

         Redemptions  and exchanges are taxable  events.  Any loss realized upon
the  redemption or other sale of shares with a tax holding  period of six months
or less will be treated as a long-term capital loss to the extent of any amounts
treated as distributions of long-term capital gain with respect to such shares.

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

         For  federal  income  tax  purposes,  the Trust is  permitted  to carry
forward a net capital loss in any year to offset capital gains,  if any,  during
the eight years following the year of the loss. To the extent subsequent capital
gains are offset by such  losses,  they  would not result in federal  income tax
liability  to the  Trust  and  are not  expected  to be  distributed  as such to
shareholders. For the fiscal period ended November 30, 1995, the Trust had a net
capital loss  carryforward of $2,801,943 which will expire between 2000 and 2003
if not utilized.

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

                                      -15-
<PAGE>

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

         The Trust is not subject to Massachusetts corporate excise or franchise
taxes. Provided that the Trust qualifies as a regulated investment company under
the Code, it will also not be required to pay any Massachusetts income tax.


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

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


11.      DESCRIPTION OF SHARES

         The  Trust's  Declaration  of Trust  permits  its Board of  Trustees to
authorize the issuance of an unlimited  number of full and fractional  shares of
beneficial  interest (without par value) which may be divided into such separate
series as the Trustees may  establish.  The  Trustees may  establish  additional
series of shares,  and may divide or combine the shares into a greater or lesser
number of shares without thereby changing the proportionate beneficial interests
in the Trust.  The  Declaration  of Trust  further  authorizes  the  Trustees to
classify  or  reclassify  any  series of the  shares  into one or more  classes.
Pursuant  thereto,  the Trustees have  authorized the issuance of two classes of
shares of the Trust, Class A shares and Class B shares. Each share of a class of
the Trust represents an equal proportionate  interest in the assets of the Trust
allocable to that class. Upon liquidation of the Trust, the shareholders of each
class are entitled to share pro rata in the Trust's net assets allocable to such
class available for distribution to  shareholders.  The Trust reserves the right
to create and issue  additional  series or classes of shares,  in which case the
shares of each class of a series  would  participate  equally  in the  earnings,
dividends and assets allocable to that class of the particular series.

         The  shares of the Trust are  entitled  to vote  separately  to approve
investment  advisory  agreements  or changes  in  investment  restrictions,  but
shareholders  of all series  vote  together in the  election  and  selection  of
Trustees  and  accountants.  Shares of the  Trust  vote  together  as a class on
matters that affect the Trust in  substantially  the same manner.  As to matters
affecting a single class, shares of such class will vote separately.

         Although  Trustees  are  not  elected  annually  by  the  shareholders,
shareholders  holding  10% or more of the  outstanding  shares  of the Trust may
cause the Trust to hold a meeting of shareholders for the purpose of voting upon
the question of the removal of one or more  trustees.  Removal shall require the
affirmative  vote of the  holders  of  two-thirds  of the  shares  of the  Trust
outstanding  and  entitled  to vote at a meeting  called  for such  purpose.  No
amendment that adversely  affects the rights of shareholders  may be made to the
Trust's  Declaration


                                      -16-
<PAGE>

of Trust without the affirmative  vote of a majority of its shares.  Shares have
no preemptive or conversion  rights.  Shares are fully paid and  non-assessable,
except as set forth below. See "Certain Liabilities."

12.      CERTAIN LIABILITIES

         As a Massachusetts  business trust, the Trust's operations are governed
by its  Declaration  of Trust dated April 30,  1992,  a copy of which is on file
with the Office of the Secretary of State of the Commonwealth of  Massachusetts.
Theoretically, shareholders of a Massachusetts business trust may, under certain
circumstances,  be held  personally  liable  for the  obligations  of the trust.
However,  the Declaration of Trust contains an express disclaimer of shareholder
liability  for acts or  obligations  of the Trust or any series of the Trust and
provides that notice of such disclaimer be given in each  agreement,  obligation
or instrument  entered into or executed by the Trust or its Trustees.  Moreover,
the Declaration of Trust provides for the  indemnification out of Trust property
of any shareholders  held personally  liable for any obligations of the Trust or
any series of the Trust.  The  Declaration of Trust also provides that the Trust
shall,  upon  request,  assume  the  defense  of  any  claim  made  against  any
shareholder  for any act or  obligation  of the Trust and satisfy  any  judgment
thereon.  Thus, the risk of a shareholder incurring financial loss beyond his or
her   investment   because  of  shareholder   liability   would  be  limited  to
circumstances  in which the Trust itself will be unable to meet its obligations.
In light of the nature of the Trust's  business and the nature and amount of its
assets,  the possibility of the Trust's  liabilities  exceeding its assets,  and
therefore a shareholder's risk of personal liability, is remote.

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

13.      DETERMINATION OF NET ASSET VALUE

         The net asset value per share of each class of the Trust is  determined
as of the close of regular trading  (currently 4:00 p.m.,  Eastern Time) on each
day on which the New York Stock Exchange is open for trading.  As of the date of
this  Statement of Additional  Information,  the New York Stock Exchange is open
for trading every weekday  except for the  following  holidays:  New Year's Day,
Presidents'  Day,  Good  Friday,  Memorial  Day,  Independence  Day,  Labor Day,
Thanksgiving  Day and Christmas Day. The net asset value per share of each class
of the Trust is also  determined  on any other day in which the level of trading
in its portfolio  securities is sufficiently  high so that the current net asset
value per share  might be  materially  affected  by  changes in the value of its
portfolio securities. The Trust is not required to determine its net asset value
per share on any day in which no  purchase  orders  for the  shares of the Trust
become effective and no shares are tendered for redemption.

         The net asset  value per share of each class the Trust is  computed  by
taking the value of all of its assets, less the Trust's liabilities attributable
to the class, and dividing it by the number of outstanding  shares of the class.
For purposes of determining  net asset value,  expenses of the Trust are accrued
daily.

         The Board of Trustees  has  directed  that the fair market value of the
Trust's assets should be determined as follows. Ordinarily,  investments in debt
securities are valued on the basis of information furnished by a pricing service
which  utilizes  primarily  a matrix  system  (which  reflects  such  factors as
security  prices,  yields,  maturities and ratings),  supplemented by dealer and
exchange  quotations,  to recommend  valuations  for normal  institutional-sized
trading units of debt securities. In addition, the Board has instructed advisory
personnel  not to rely  exclusively  on this pricing  service if the fair market
value of certain  securities may be more  accurately  determined on the basis of
information available from other sources.  Temporary cash investments are valued
at cost, which approximates market value.

                                      -17-
<PAGE>

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

14.      SYSTEMATIC WITHDRAWAL PLAN

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

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

         SWP  payments are made from the  proceeds of the  redemption  of shares
deposited  under  the  SWP  in a SWP  account.  Share  redemptions  are  taxable
transactions to  shareholders.  To the extent that such redemptions for periodic
withdrawals  exceed  dividend  income  reinvested  in  the  SWP  account,   such
redemptions  will  reduce  and may  ultimately  exhaust  the  number  of  shares
deposited in the SWP account. In addition, the amounts received by a shareholder
cannot  be  considered  as an actual  yield or  income on his or her  investment
because part of such payments may be a return of his or her investment.

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

15.      LETTER OF INTENTION

         Purchases  of  $50,000  or  over  of  Class  A  shares  (excluding  any
reinvestments  of  dividends  and  capital  gains  distributions)  made within a
13-month period  pursuant to a Letter of Intention  provided by PFD will qualify
for a reduced  sales  charge.  Such reduced sales charge will be the charge that
would be applicable to the purchase of all Class A shares  purchased during such
13-month period pursuant to a Letter of Intention had such shares been purchased
all at once.  See "How to Buy Trust Shares" in the  Prospectus.  For example,  a
person who signs a Letter of Intention providing for a total investment in Trust
shares of  $50,000  over a  13-month  period  would be charged at the 2.0% sales
charge rate with respect to all purchases during that period.  Should the amount
actually  purchased  during  the  13-month  period  be more or  less  than  that
indicated  in the Letter,  an  adjustment  in the sales  charge will be made.  A
purchase not made pursuant to a Letter of Intention  may be included  thereafter
if the Letter is filed within 90 days of such purchase. Any shareholder may also
obtain the reduced  sales  charge by  including  the value (at current  offering
price) of all shares of record held in the Trust and other Pioneer  mutual funds
as of the date of the Letter of Intention  as a credit  toward  determining  the
applicable  scale of sales charge for the Class A shares to be  purchased  under
the Letter of Intention.

         The  Letter  of  Intention  authorizes  PSC to escrow  shares  having a
purchase price equal to 5% of the stated  investment in the Letter of Intention.
A Letter of Intention is not a binding obligation upon the investor to purchase,
or the Trust to sell, the full amount indicated and the investor should read the
provisions  of the Letter of  Intention  contained  in the  Account  Application
carefully before signing.

                                      -18-
<PAGE>

16.      INVESTMENT RESULTS

         The Trust's yield quotations and average annual total return quotations
as they may appear in the Prospectus,  this Statement of Additional  Information
or in advertising are calculated by standard methods prescribed by the SEC.

         Quotations, Comparisons, and General Information

         From  time to  time,  in  advertisements,  in sales  literature,  or in
reports to  shareholders,  the past  performance of the Trust may be illustrated
and/or  compared  with  that of  other  mutual  funds  with  similar  investment
objectives,  and to other relevant indices.  For example,  the Trust may compare
its yield to the Shearson Lehman Hutton Government  Index, U.S.  Government bond
rates, or other comparable indices or investment vehicles.

         In  addition,  the  performance  of the  classes  of the  Trust  may be
compared to  alternative  investment  or savings  vehicles  and/or to indices or
indicators of economic activity,  e.g., inflation or interest rates. Performance
rankings and listings  reported in newspapers or national business and financial
publications,  such  as  Barron's,  Business  Week,  Consumer  Digest,  Consumer
Reports, Financial World, Forbes, Fortune, Investors Business Daily, Kiplinger's
Personal Finance Magazine,  Money Magazine,  New York Times,  Personal Investor,
Smart Money, USA Today, U.S. News and World Report, The Wall Street Journal, and
Worth may also be cited (if the Trust is listed in any such publication) or used
for comparison,  as well as performance listings and rankings from various other
sources including  Bloomberg  Financial  Markets,  CDA Wiesenberger,  Donoghue's
Mutual  Fund  Almanac,  Investment  Company  Data,  Inc.,  Ibbotson  Associates,
Johnson's Charts, Kanon Block Carre and Co., Lipper Analytical  Services,  Inc.,
Micropal,  Inc.,  Morningstar,  Inc., Schabacker Investment Management and Tower
Data Systems, Inc.

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

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

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

         Standardized Yield Quotations

         The yield of a class is computed by dividing the class's net investment
income per share during a base period of 30 days,  or one month,  by the maximum
offering  price per  share of the  class on the last day of such base  period in
accordance with the following formula:

                                      -19-
<PAGE>

                                             a-b
                           YIELD = 2[ ( ----- +1)6-1]
                                             cd

Where:            a        =        interest earned during the period

                  b        =        net expenses accrued for the period

                  c        =        the   average   daily   number   of   shares
                                    outstanding  during  the  period  that  were
                                    entitled to receive dividends

                  d        =        the maximum  offering price per share on the
                                    last day of the period

         For purposes of  calculating  interest  earned on debt  obligations  as
provided in item "a" above:


         (i)The  yield  to  maturity  of each  obligation  held by the  Trust is
computed based on the market value of the obligation  (including  actual accrued
interest,  if any) at the close of  business  each day during  the  30-day  base
period, or, with respect to obligations purchased during the month, the purchase
price (plus  actual  accrued  interest,  if any) on  settlement  date,  and with
respect to obligations sold during the month the sale price (plus actual accrued
interest, if any) between the trade and settlement dates.


         (ii) The yield to maturity of each  obligation  is then  divided by 360
and the resulting  quotient is multiplied by the market value of the  obligation
(including actual accrued interest,  if any) to determine the interest income on
the obligation for each day. The yield to maturity  calculation has been made on
each obligation during the 30 day base period.

         (iii) Interest earned on all debt obligations  during the 30-day or one
month period is then totaled.

         (iv) The maturity of an obligation with a call provision(s) is the next
call date on which the obligation reasonably may be expected to be called or, if
none, the maturity date.

         With  respect to the  treatment  of discount and premium on mortgage or
other receivables-backed obligations which are expected to be subject to monthly
payments of principal and interest ("pay downs"), the Trust accounts for gain or
loss  attributable  to actual  monthly  pay downs as an  increase or decrease to
interest  income  during the  period.  In  addition,  the Trust may elect (i) to
amortize the discount or premium  remaining on a security,  based on the cost of
the security,  to the weighted  average  maturity  date, if such  information is
available,  or to the remaining  term of the security,  if the weighted  average
maturity date is not available,  or (ii) not to amortize the remaining  discount
or premium on a security.


         For purposes of  computing  yield,  interest  income is  recognized  by
accruing  1/360 of the stated  interest  rate of each  obligation in the Trust's
portfolio each day that the obligation is in the portfolio.  Expenses of a class
accrued during any base period, if any, pursuant to the respective  Distribution
Plan are included among the expenses accrued during the base period.

         The yield on Class A and  Class B shares  of the  Trust for the  30-day
period  ended  November  30,  1995  computed  as  above  was  5.58%  and  4.90%,
respectively,  except that absent expense limitations,  the yield on Class A and
Class B shares of the Fund would have been 5.25% and 4.61%, respectively.


         Standardized Average Annual Total Return Quotations.

         Average  annual total return  quotations for Class A and Class B shares
are computed by finding the average annual compounded rates of return that would
cause  a  hypothetical  investment  in the  class  made  on the  first  day of 


                                      -20-
<PAGE>

a designated period (assuming all dividends and distributionsare  reinvested) to
equal the ending  redeemable value of such  hypothetical  investment on the last
day of the designated period in accordance with the following formula:

                                    P(1+T)n =        ERV

Where:            P        =      a hypothetical initial payment of $1,000, less
                                  the  maximum  sales  load of $25  for  Class A
                                  shares or the deduction of the CDSC on Class B
                                  shares at the end of the period.

                  T        =      average annual total return

                  n        =      number of years

                  ERV      =      ending  redeemable  value of the  hypothetical
                                  $1,000  initial  payment made at the beginning
                                  of  the   designated   period  (or  fractional
                                  portion thereof)

         For purposes of the above  computation,  it is assumed that the maximum
sales  charge of 2.5% was  deducted  from the  initial  investment  and that all
dividends and distributions  made by the Trust are reinvested at net asset value
during the  designated  period.  The average  annual total  return  quotation is
determined to the nearest 1/100 of 1%.

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


         The average  annual total returns for period  ending  November 30, 1995
were:


                  1 Year          5 Years           10 Years         Life
                  ------          -------           --------         ----

Class A Shares    6.93%           N/A               N/A              3.97% *
Class B Shares    6.79%           N/A               N/A              4.30% **

*        Commencement of operations, August 10, 1992.
**       Class B shares first offered on April 4, 1994.


         Class A share results reflect the maximum sales charge of 5.75%.  Class
B share  results  reflect the effect of the CDSC that would have been charged if
shares  were  redeemed at the end of each  period.  If PMC's  voluntary  fee and
expense reduction  agreement had not been in place, total return would have been
lower.


Automated Information Line


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


         o        net asset value prices for all Pioneer mutual funds;

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

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

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

                                      -21-
<PAGE>

Yields are calculated in accordance with SEC mandated standard formulas.


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

         All performance numbers  communicated through FactFoneSM represent past
performance;  figures for all quoted bond funds  include the maximum  applicable
sales  charge.  A  shareholder's  actual  yield and total  return will vary with
changing market conditions.  The value of Class A and Class B shares (except for
Pioneer  money  market  funds,  which seek a stable $1.00 share price) will also
vary and may be worth more or less at redemption than their original cost.


 17.     FINANCIAL STATEMENTS


         The Trust's  financial  statements for the year ended November 30, 1995
are  included in the Trust's  Annual  Report to  Shareholders,  which  report is
incorporated  by  reference  into and attached to this  Statement of  Additional
Information.  The Trust's Annual Report to Shareholders  is so incorporated  and
attached in reliance upon the report of Arthur Andersen LLP,  independent public
accountants, as experts in accounting and auditing.





                                      -22-
<PAGE>

                                   APPENDIX A

                          Description of Bond Ratings1

                        Moody's Investor's Service, Inc.2

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

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

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

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


                         Standard & Poor's Corporation3

AAA:  Bonds rated AAA are highest grade  obligations.  This rating  indicates an
extremely strong capacity to pay principal and interest.

AA: Bonds rated AA also  qualify as  high-quality  obligations.  Capacity to pay
principal  and  interest is very strong,  and in the majority of instances  they
differ from AAA issues only in small degree.

A: Bonds rated A have a strong capacity to pay principal and interest,  although
they are more susceptible to the adverse effects of changes in circumstances and
economic conditions.

BBB:  Bonds  rated  BBB are  regarded  as  having an  adequate  capacity  to pay
principal  and  interest.  Whereas they  normally  exhibit  adequate  protection
parameters,  adverse  economic  conditions  or changing  circumstances  are more
likely to lead to a weakened capacity to pay principal and interest for bonds in
this category than for bonds in the A category.


- --------

1        The ratings  described below are believed to be the most recent ratings
available at the date of this Prospectus for the securities listed.  Ratings are
generally given to securities at the time of issuance. While the rating agencies
may from time to time revise such  ratings,  they  undertake no obligation to do
so, and the ratings indicated do not necessarily represent ratings which will be
given to these securities on the date of the Trust's fiscal year-end.

2        Rates  bonds of issuers  which have  $600,000  or more of debt,  except
bonds of  educational  institutions,  projects under  construction,  enterprises
without established earnings records and situations where current financial data
is unavailable.

3        Rates  all  governmental  bodies  having  $1,000,000  or  more  of debt
outstanding, unless adequate information is not available.


                                      -23-
<PAGE>

                        Pioneer Short-Term Income Trust A
<TABLE>
<CAPTION>

  Date    Initial Investment    Offering Price   Sales Charge   Shares Purchased       Net Asset Value  Initial Net Asset
                                                   Included                               Per Share           Value
<S>           <C>                  <C>              <C>            <C>                     <C>               <C>   
 8/10/92      $10,000              $4.1000          2.50%          2,439.024               $4.0000           $9,756
</TABLE>


                     Dividends and Capital Gains Reinvested

                                 Value of Shares

  Date     From Investment    From Cap. Gains     From Dividends   Total Value
                                 Reinvested         Reinvested
12/31/92       $9,659               $0                $256          $9,915
12/31/93       $9,634               $0                $863          $10,497
12/31/94       $9,122               $0               $1,395         $10,517
12/31/95       $9,390               $0               $2,190         $11,580









                                      -24-
<PAGE>


                        Pioneer Short-Term Income Trust B

<TABLE>
<CAPTION>
  Date    Initial Investment      Offering Price   Sales Charge   Shares Purchased     Net Asset Value     Initial Net Asset
                                                     Included                             Per Share              Value
<S>               <C>                <C>              <C>                <C>               <C>                  <C>    
 4/4/94           $10,000            $3.8900          4.00%              2,570.694         $3.8900              $10,000

</TABLE>

                     Dividends and Capital Gains Reinvested

                                 Value of Shares

  Date    From Investment     From Cap. Gains     From Dividends    Total Value
                                 Reinvested         Reinvested
12/31/94       $9,589             $0                $385           $9,977
12/31/95       $9,897             $0               $1,021          $10,522

















                                      -25-
<PAGE>

                                   APPENDIX B
                             COMPARATIVE PERFORMANCE
                               INDEX DESCRIPTIONS

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

S&P 500
This index is a readily available, carefully constructed,  market value weighted
benchmark  of common  stock  performance.  Currently,  the S&P  Composite  Index
includes  500 of the  largest  stocks  (in terms of stock  market  value) in the
United States; prior to March 1957 it consisted of 90 of the largest stocks.

DOW JONES INDUSTRIAL AVERAGE
This is a total return index based on the performance of 30 blue chip stocks.

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

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

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

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

INTERMEDIATE-TERM U.S. GOVERNMENT BONDS
Total  returns  of the  intermediate-term  government  bonds for  1977-1991  are
calculated from The Wall Street Journal prices,  using the change in flat price.
Returns from 1934-1986 are obtained from the CRSP Government Bond File.

                                      -26-
<PAGE>

                             COMPARATIVE PERFORMANCE
                               INDEX DESCRIPTIONS

Each year,  one-bond  portfolios  are formed,  the bond  chosen is the  shortest
noncallable  bond with a maturity not less than 5 years, and this bond is "held"
for the  calendar  year.  Monthly  returns are  computed.  (Bonds with  impaired
negotiability or special redemption  privileges are omitted, as are partially or
fully  tax-exempt  bonds starting with 1943.) From  1934-1942,  almost all bonds
with maturities near 5 years were partially or full tax-exempt and were selected
using the rules described  above.  Personal tax rates were generally low in that
period,  so that yields on  tax-exempt  bonds were  similar to yields on taxable
bonds. From 1926-1933, there are few bonds suitable for construction of a series
with a 5-year  maturity.  For this period,  five year bond yield  estimates  are
used.

MSCI
Morgan  Stanley  Capital  International   Indices,   developed  by  the  Capital
International  S.A., are based on share prices of some 1470 companies  listed on
the stock exchanges around the world.

Countries in the MSCI EAFE Portfolio are:
Australia;  Austria;  Belgium;  Denmark;  Finland;  France;  Germany; Hong Kong;
Italy;  Japan;  Netherlands;  N.  Zealand;  Norway;  Singapore/Malaysia;  Spain;
Sweden; Switzerland; United Kingdom.

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

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

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

U.S. (30 DAY) TREASURY BILLS
For the U.S. Treasury bill index, data from The Wall Street Journal are used for
1977-1991;  the CRSP U.S.  Government  Bond File is the source until 1976.  Each
month a one-bill  portfolio  containing the  shortest-term  bill having not less
than one month to maturity is constructed. (The bill's original term to maturity
is not relevant.) To measure holding period returns for the one-bill  portfolio,
the bill is priced as of the last trading day of the previous  month-end  and as
of the last trading day of the current month.

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

                                      -27-
<PAGE>

RUSSELL 2000 SMALL STOCK INDEX
Index of the 2,000 smallest  stocks in the Russell 3000 Index (TM); the smallest
company has a market  capitalization of approximately  $13 million.  The Russell
3000 is comprised of the 3,000  largest US  companies  as  determined  by market
capitalization  representing  approximately  98% of the US  equity  market.  The
largest  company in the index has a market  capitalization  of $67 billion.  The
Russell Indexes (TM) are reconstituted  annually as of June 1st, based on May 31
market capitalization rankings.

WILSHIRE REAL ESTATE SECURITIES INDEX
The Wilshire Real Estate  Securities  Index is a market  capitalization-weighted
index which measures the performance of more than 85 securities.

The index  contains  performance  data on five  major  categories  of  property;
office, retail, industrial, apartment and miscellaneous. Additionally, the Index
has real estate portfolio encumbered by 16% third party mortgages. The companies
in the WRESEC are 79% equity  and hybrid  REIT's and 21% real  estate  operating
companies. The capitalization is 47% NYSE, 33% AMEX and 20% OTC."

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

The S&P MidCap 400 Index and the S&P 500 together represent approximately 85% of
the total market capitalization of stocks traded in the United States.

BANK SAVINGS ACCOUNT
Data sources include the U.S. League of Savings Institutions Sourcebook; average
annual yield on savings  deposits in FSLIC [FDIC] insured  savings  institutions
for the years 1963-1987 and The Wall Street Journal for the years 1988-1994.






Source:           Ibbotson Associates











                                      -28-
<PAGE>

                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT


          S&P 500       Dow      U.S. Small                  S&P/     S&P/   
                       Jones       Stock         U.S.       BARRA    BARRA
                    Industrials    Index      Inflation    Growth    Value
Dec 1928   43.61       55.38       39.69       -0.97         N/A      N/A
Dec 1929   -8.42      -13.64      -51.36        0.20         N/A      N/A
Dec 1930  -24.90      -30.22      -38.15       -6.03         N/A      N/A
Dec 1931  -43.34      -49.03      -49.75       -9.52         N/A      N/A
Dec 1932   -8.19      -16.88       -5.39      -10.30         N/A      N/A
Dec 1933   53.99       73.71      142.87        0.51         N/A      N/A
Dec 1934   -1.44        8.07       24.22        2.03         N/A      N/A
Dec 1935   47.67       43.77       40.19        2.99         N/A      N/A
Dec 1936   33.92       30.23       64.80        1.21         N/A      N/A
Dec 1937  -35.03      -28.88      -58.01        3.10         N/A      N/A
Dec 1938   31.12       33.16       32.80       -2.78         N/A      N/A
Dec 1939   -0.41        1.31        0.35       -0.48         N/A      N/A
Dec 1940   -9.78       -7.96       -5.16        0.96         N/A      N/A
Dec 1941  -11.59       -9.88       -9.00        9.72         N/A      N/A
Dec 1942   20.34       14.12       44.51        9.29         N/A      N/A
Dec 1943   25.90       19.06       88.37        3.16         N/A      N/A
Dec 1944   19.75       17.19       53.72        2.11         N/A      N/A
Dec 1945   36.44       31.60       73.61        2.25         N/A      N/A
Dec 1946   -8.07       -4.40      -11.63       18.16         N/A      N/A
Dec 1947    5.71        7.61        0.92        9.01         N/A      N/A
Dec 1948    5.50        4.27       -2.11        2.71         N/A      N/A
Dec 1949   18.79       20.92       19.75       -1.80         N/A      N/A
Dec 1950   31.71       26.40       38.75        5.79         N/A      N/A
Dec 1951   24.02       21.77        7.80        5.87         N/A      N/A
Dec 1952   18.37       14.58        3.03        0.88         N/A      N/A
Dec 1953   -0.99        2.02       -6.49        0.62         N/A      N/A
Dec 1954   52.62       51.25       60.58       -0.50         N/A      N/A
Dec 1955   31.56       26.58       20.44        0.37         N/A      N/A
Dec 1956    6.56        7.10        4.28        2.86         N/A      N/A
Dec 1957  -10.78       -8.63      -14.57        3.02         N/A      N/A
Dec 1958   43.36       39.31       64.89        1.76         N/A      N/A
Dec 1959   11.96       20.21       16.40        1.50         N/A      N/A
Dec 1960    0.47       -6.14       -3.29        1.48         N/A      N/A
Dec 1961   26.89       22.60       32.09        0.67         N/A      N/A
Dec 1962   -8.73       -7.43      -11.90        1.22         N/A      N/A
Dec 1963   22.80       20.83       23.57        1.65         N/A      N/A
Dec 1964   16.48       18.85       23.52        1.19         N/A      N/A
Dec 1965   12.45       14.39       41.75        1.92         N/A      N/A
Dec 1966  -10.06      -15.78       -7.01        3.35         N/A      N/A
Dec 1967   23.98       19.16       83.57        3.04         N/A      N/A
Dec 1968   11.06        7.93       35.97        4.72         N/A      N/A


                                      -29-
<PAGE>

                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT


          S&P 500       Dow      U.S. Small                  S&P/     S&P/   
                       Jones       Stock         U.S.       BARRA    BARRA
                    Industrials    Index      Inflation    Growth    Value

Dec 1969   -8.50      -11.78      -25.05        6.11        N/A      N/A
Dec 1970    4.01        9.21      -17.43        5.49        N/A      N/A
Dec 1971   14.31        9.83       16.50        3.36        N/A      N/A
Dec 1972   18.98       18.48        4.43        3.41        N/A      N/A
Dec 1973  -14.66      -13.28      -30.90        8.80        N/A      N/A
Dec 1974  -26.47      -23.58      -19.95       12.20        N/A      N/A
Dec 1975   37.20       44.75       52.82        7.01       31.72    43.38
Dec 1976   23.84       22.82       57.38        4.81       13.84    34.93
Dec 1977   -7.18      -12.84       25.38        6.77      -11.82    -2.57
Dec 1978    6.56        2.79       23.46        9.03        6.78     6.16
Dec 1979   18.44       10.55       43.46       13.31       15.72    21.16
Dec 1980   32.42       22.17       39.88       12.40       39.40    23.59
Dec 1981   -4.91       -3.57       13.88        8.94       -9.81     0.02
Dec 1982   21.41       27.11       28.01        3.87       22.03    21.04
Dec 1983   22.51       25.97       39.67        3.80       16.24    28.89
Dec 1984    6.27        1.31       -6.67        3.95        2.33    10.52
Dec 1985   32.16       33.55       24.66        3.77       33.31    29.68
Dec 1986   18.47       27.10        6.85        1.13       14.50    21.67
Dec 1987    5.23        5.48       -9.30        4.41        6.50     3.68
Dec 1988   16.81       16.14       22.87        4.42       11.95    21.67
Dec 1989   31.49       32.19       10.18        4.65       36.40    26.13
Dec 1990   -3.17       -0.56      -21.56        6.11        0.20    -6.85
Dec 1991   30.55       24.19       44.63        3.06       38.37    22.56
Dec 1992    7.67        7.41       23.35        2.90        5.07    10.53
Dec 1993    9.99       16.94       20.98        2.75        1.68    18.60
Dec 1994    1.31        5.06        3.11        2.78        3.13    -0.64
Dec 1995   37.43       36.84       34.46        2.74       38.13    36.99


                                      -30-
<PAGE>


                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT



                         Intermediate      MSCI               Long-
          Long-Term       -Term U.S.       EAFE        6     Term U.S.    U.S.
          U.S. Gov't      Government     - Net of    MONTH   Corporate  (30 Day)
            Bonds           Bonds          Taxes      CDs      Bonds    T- Bill 
     
Dec 1925     N/A              N/A           N/A       N/A      N/A      N/A
Dec 1926     7.77             5.38          N/A       N/A      7.37     3.27
Dec 1927     8.93             4.52          N/A       N/A      7.44     3.12
Dec 1928     0.1              0.92          N/A       N/A      2.84     3.56
Dec 1929     3.42             6.01          N/A       N/A      3.27     4.75
Dec 1930     4.66             6.72          N/A       N/A      7.98     2.41
Dec 1931    -5.31            -2.32          N/A       N/A      -1.85    1.07
Dec 1932    16.84             8.81          N/A       N/A      10.82    0.96
Dec 1933    -0.07             1.83          N/A       N/A      10.38    0.30
Dec 1934    10.03             9.00          N/A       N/A      13.84    0.16
Dec 1935     4.98             7.01          N/A       N/A      9.61     0.17
Dec 1936     7.52             3.06          N/A       N/A      6.74     0.18
Dec 1937     0.23             1.56          N/A       N/A      2.75     0.31
Dec 1938     5.53             6.23          N/A       N/A      6.13    -0.02
Dec 1939     5.94             4.52          N/A       N/A      3.97     0.02
Dec 1940     6.09             2.96          N/A       N/A      3.39     0.00
Dec 1941     0.93             0.50          N/A       N/A      2.73     0.06
Dec 1942     3.22             1.94          N/A       N/A      2.60     0.27
Dec 1943     2.08             2.81          N/A       N/A      2.83     0.35
Dec 1944     2.81             1.80          N/A       N/A      4.73     0.33
Dec 1945    10.73             2.22          N/A       N/A      4.08     0.33
Dec 1946    -0.10             1.00          N/A       N/A      1.72     0.35
Dec 1947    -2.62             0.91          N/A       N/A     -2.34     0.50
Dec 1948     3.40             1.85          N/A       N/A      4.14     0.81 
Dec 1949     6.45             2.32          N/A       N/A      3.31     1.10
Dec 1950     0.06             0.70          N/A       N/A      2.12     1.20
Dec 1951    -3.93             0.36          N/A       N/A     -2.69     1.49
Dec 1952     1.16             1.63          N/A       N/A      3.52     1.66
Dec 1953     3.64             3.23          N/A       N/A      3.41     1.82
Dec 1954     7.19             2.68          N/A       N/A      5.39     0.86
Dec 1955    -1.29            -0.65          N/A       N/A      0.48     1.57
Dec 1956    -5.59            -0.42          N/A       N/A     -6.81     2.46
Dec 1957     7.46             7.84          N/A       N/A      8.71     3.14
Dec 1958    -6.09            -1.29          N/A       N/A     -2.22     1.54
Dec 1959    -2.26            -0.39          N/A       N/A     -0.97     2.95
Dec 1960    13.78            11.76          N/A       N/A      9.07     2.66
Dec 1961     0.97             1.85          N/A       N/A      4.82     2.13
Dec 1962     6.89             5.56          N/A       N/A      7.95     2.73
Dec 1963     1.21             1.64          N/A       N/A      2.19     3.12
Dec 1964     3.51             4.04          N/A      4.18      4.77     3.54
Dec 1965     0.71             1.02          N/A      4.68     -0.46     3.93


                                      -31-
<PAGE>



                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT


                         Intermediate      MSCI               Long-
          Long-Term       -Term U.S.       EAFE        6     Term U.S.    U.S.
          U.S. Gov't      Government     - Net of    MONTH   Corporate  (30 Day)
            Bonds           Bonds          Taxes      CDs      Bonds    T- Bill 
                                                                                
Dec 1966     3.65           4.69            N/A       5.75     0.20       4.76  
Dec 1967    -9.18           1.01            N/A       5.48    -4.95       4.21  
Dec 1968    -0.26           4.54            N/A       6.44     2.57       5.21 
Dec 1969    -5.07          -0.74            N/A       8.71    -8.09       6.58
Dec 1970    12.11          16.86          -11.66      7.06    18.37       6.52
Dec 1971    13.23           8.72           29.59      5.36    11.01       4.39
Dec 1972     5.69           5.16           36.35      5.38     7.26       3.84
Dec 1973    -1.11           4.61          -14.92      8.60     1.14       6.93
Dec 1974     4.35           5.69          -23.16     10.20    -3.06       8.00
Dec 1975     9.20           7.83           35.39      6.51    14.64       5.80
Dec 1976    16.75          12.87            2.54      5.22    18.65       5.08
Dec 1977    -0.69           1.41           18.06      6.12     1.71       5.12
Dec 1978    -1.18           3.49           32.62     10.21    -0.07       7.18
Dec 1979    -1.23           4.09            4.75     11.90    -4.18      10.38
Dec 1980    -3.95           3.91           22.58     12.33    -2.76      11.24
Dec 1981     1.86           9.45           -2.28     15.50    -1.24      14.71
Dec 1982    40.36          29.1            -1.86     12.18    42.56      10.54
Dec 1983     0.65           7.41           23.69      9.65     6.26       8.80
Dec 1984    15.48          14.02            7.38     10.65    16.86       9.85
Dec 1985    30.97          20.33           56.16      7.82    30.09       7.72
Dec 1986    24.53          15.14           69.44      6.30    19.85       6.16
Dec 1987    -2.71           2.90           24.63      6.58    -0.27       5.47
Dec 1988     9.67           6.10           28.27      8.15    10.70       6.35
Dec 1989    18.11          13.29           10.54      8.27    16.23       8.37
Dec 1990     6.18           9.73          -23.45      7.85     6.78       7.81
Dec 1991    19.3           15.46           12.13      4.95    19.89       5.60
Dec 1992     8.05           7.19          -12.17      3.27     9.39       3.51
Dec 1993    18.24          11.24           32.56      2.88    13.19       2.90
Dec 1994    -7.77          -5.14            7.78      5.40    -5.76       3.90
Dec 1995    31.67          16.8            11.21      5.21    26.39       5.60
                                                                                



                                      -32-
<PAGE>

                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT
     
                                           S & P    Bank
             NAREIT -  Russell  Wilshire   Midcap  Savings 
             Equity     2000  Real Estate   400    Account
     
Dec 1925        N/A      N/A      N/A     N/A      N/A
Dec 1926        N/A      N/A      N/A     N/A      N/A
Dec 1927        N/A      N/A      N/A     N/A      N/A
Dec 1928        N/A      N/A      N/A     N/A      N/A
Dec 1929        N/A      N/A      N/A     N/A      N/A
Dec 1930        N/A      N/A      N/A     N/A      5.30
Dec 1931        N/A      N/A      N/A     N/A      5.10
Dec 1932        N/A      N/A      N/A     N/A      4.10
Dec 1933        N/A      N/A      N/A     N/A      3.40
Dec 1934        N/A      N/A      N/A     N/A      3.50
Dec 1935        N/A      N/A      N/A     N/A      3.10
Dec 1936        N/A      N/A      N/A     N/A      3.20
Dec 1937        N/A      N/A      N/A     N/A      3.50
Dec 1938        N/A      N/A      N/A     N/A      3.50
Dec 1939        N/A      N/A      N/A     N/A      3.40
Dec 1940        N/A      N/A      N/A     N/A      3.30
Dec 1941        N/A      N/A      N/A     N/A      3.10
Dec 1942        N/A      N/A      N/A     N/A      3.00
Dec 1943        N/A      N/A      N/A     N/A      2.90
Dec 1944        N/A      N/A      N/A     N/A      2.80
Dec 1945        N/A      N/A      N/A     N/A      2.50
Dec 1946        N/A      N/A      N/A     N/A      2.20
Dec 1947        N/A      N/A      N/A     N/A      2.30
Dec 1948        N/A      N/A      N/A     N/A      2.30
Dec 1949        N/A      N/A      N/A     N/A      2.40
Dec 1950        N/A      N/A      N/A     N/A      2.50
Dec 1951        N/A      N/A      N/A     N/A      2.60
Dec 1952        N/A      N/A      N/A     N/A      2.70
Dec 1953        N/A      N/A      N/A     N/A      2.80
Dec 1954        N/A      N/A      N/A     N/A      2.90
Dec 1955        N/A      N/A      N/A     N/A      2.90
Dec 1956        N/A      N/A      N/A     N/A      3.00
Dec 1957        N/A      N/A      N/A     N/A      3.30
Dec 1958        N/A      N/A      N/A     N/A      3.38
Dec 1959        N/A      N/A      N/A     N/A      3.53
Dec 1960        N/A      N/A      N/A     N/A      3.86
Dec 1961        N/A      N/A      N/A     N/A      3.90
Dec 1962        N/A      N/A      N/A     N/A      4.08
Dec 1963        N/A      N/A      N/A     N/A      4.17
Dec 1964        N/A      N/A      N/A     N/A      4.19
Dec 1965        N/A      N/A      N/A     N/A      4.23
Dec 1966        N/A      N/A      N/A     N/A      4.45
Dec 1967        N/A      N/A      N/A     N/A      4.67
Dec 1968        N/A      N/A      N/A     N/A      4.68
Dec 1969        N/A      N/A      N/A     N/A      4.80
     


                                      -33-
<PAGE>

                  PERFORMANCE STATISTICS - TOTAL RETURN PERCENT


                                           S & P    Bank
             NAREIT -  Russell  Wilshire   Midcap  Savings 
             Equity     2000  Real Estate   400    Account
          Bank Savings Account
     
Dec 1970        N/A      N/A      N/A     N/A      5.14
Dec 1971        N/A      N/A      N/A     N/A      5.30
Dec 1972        8.01     N/A      N/A     N/A      5.37
Dec 1973       -15.52    N/A      N/A     N/A      5.51
Dec 1974       -21.40    N/A      N/A     N/A      5.96
Dec 1975        19.30    N/A      N/A     N/A      6.21
Dec 1976        47.59    N/A      N/A     N/A      6.23
Dec 1977        22.42    N/A      N/A     N/A      6.39
Dec 1978        10.34    N/A      13.04   N/A      6.56
Dec 1979        35.86    43.09    70.81   N/A      7.29
Dec 1980        24.37    38.58    22.08   N/A      8.78
Dec 1981         6.00     2.03     7.18   N/A     10.71
Dec 1982        21.60    24.95    24.47   22.68   11.19
Dec 1983        30.64    29.13    27.61   26.10    9.71
Dec 1984        20.93    -7.30    20.64    1.18    9.92
Dec 1985        19.10    31.05    22.20   35.58    9.02
Dec 1986        19.16     5.68    20.30   16.21    7.84
Dec 1987        -3.64    -8.77    -7.86   -2.03    6.92
Dec 1988        13.49    24.89    24.18   20.87    7.20
Dec 1989         8.84    16.24     2.37   35.54    7.91
Dec 1990       -15.35   -19.51   -33.46   -5.12    7.80
Dec 1991        35.7     46.05    20.03    50.1    4.61
Dec 1992        14.59    18.41     7.36    11.91   2.89
Dec 1993        19.65    18.91    15.24    13.96   2.73
Dec 1994         3.17    -1.82     1.64    -3.57   4.96
Dec 1995        15.27    28.44    13.65    30.94   5.24
     
Source:  Ibbotson Associates
          
     
     



                                      -34-
<PAGE>


                                   APPENDIX C

         The Pioneer  family of mutual  funds was  established  in 1928 with the
creation of Pioneer  Fund.  Pioneer is one of the  oldest,  most  respected  and
successful money managers in the United States.

         As of December 31, 1995, PMC employed a professional  investment  staff
of 44, with a combined average of 15 years' experience in the financial services
industry.

         At December 31, 1995,  there were  637,060  non-retirement  shareholder
accounts and 345,309  retirement  shareholder  accounts in the Pioneer's  funds.
Total  assets for all Pioneer  Funds at December  31, 1995 were  $12,764,708,124
representing 982,369 shareholder accounts.

















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